From cc541fb25260f7315d3e223d368cfad80c99f25a Mon Sep 17 00:00:00 2001
From: Arsalan Khattak <37709578+eKhattak@users.noreply.github.com>
Date: Fri, 24 Jul 2020 21:35:39 +0500
Subject: [PATCH 01/90] Add Sitemap Example (#15047)

* Add with-sitemap Example

* Update README

* Update examples/with-sitemap/scripts/generate-sitemap.js

Co-authored-by: Luis Alvarez D. <luis@vercel.com>

* Update examples/with-sitemap/package.json

Co-authored-by: Luis Alvarez D. <luis@vercel.com>

* Update examples/with-sitemap/public/sitemap.xml

Co-authored-by: Luis Alvarez D. <luis@vercel.com>

* Update README

* Add .env Info to README

* Update examples/with-sitemap/README.md

Co-authored-by: Luis Alvarez D. <luis@vercel.com>

* Update examples/with-sitemap/README.md

Co-authored-by: Luis Alvarez D. <luis@vercel.com>

* Update examples/with-sitemap/README.md

Co-authored-by: Luis Alvarez D. <luis@vercel.com>

* Update examples/with-sitemap/README.md

Co-authored-by: Luis Alvarez D. <luis@vercel.com>

Co-authored-by: Luis Alvarez D. <luis@vercel.com>
---
 examples/with-sitemap/.env                    |   2 +
 examples/with-sitemap/README.md               |  51 +++++
 examples/with-sitemap/next.config.js          |   9 +
 examples/with-sitemap/package.json            |  18 ++
 examples/with-sitemap/pages/contact.js        | 128 +++++++++++
 examples/with-sitemap/pages/index.js          | 209 ++++++++++++++++++
 examples/with-sitemap/public/favicon.ico      | Bin 0 -> 15086 bytes
 examples/with-sitemap/public/sitemap.xml      |  10 +
 examples/with-sitemap/public/vercel.svg       |   4 +
 .../with-sitemap/scripts/generate-sitemap.js  |  28 +++
 10 files changed, 459 insertions(+)
 create mode 100644 examples/with-sitemap/.env
 create mode 100644 examples/with-sitemap/README.md
 create mode 100644 examples/with-sitemap/next.config.js
 create mode 100644 examples/with-sitemap/package.json
 create mode 100644 examples/with-sitemap/pages/contact.js
 create mode 100644 examples/with-sitemap/pages/index.js
 create mode 100644 examples/with-sitemap/public/favicon.ico
 create mode 100644 examples/with-sitemap/public/sitemap.xml
 create mode 100644 examples/with-sitemap/public/vercel.svg
 create mode 100644 examples/with-sitemap/scripts/generate-sitemap.js

diff --git a/examples/with-sitemap/.env b/examples/with-sitemap/.env
new file mode 100644
index 0000000000000..8d8ccb6fca0e4
--- /dev/null
+++ b/examples/with-sitemap/.env
@@ -0,0 +1,2 @@
+# Used to add the domain to sitemap.xml, replace it with a real domain in production
+WEBSITE_URL=http://localhost:3000
\ No newline at end of file
diff --git a/examples/with-sitemap/README.md b/examples/with-sitemap/README.md
new file mode 100644
index 0000000000000..a6d6d7b56b76b
--- /dev/null
+++ b/examples/with-sitemap/README.md
@@ -0,0 +1,51 @@
+# With Sitemap example
+
+This example shows how to generate a `sitemap.xml` file based on the pages in your [Next.js](https://nextjs.org/) app. The sitemap will be generated and saved in the `public` directory after starting the development server or by making a build.
+
+## Deploy your own
+
+Deploy the example using [Vercel](https://vercel.com):
+
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/import/project?template=https://github.com/vercel/next.js/tree/canary/examples/hello-world)
+
+## How to use
+
+### Using `create-next-app`
+
+Execute [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app) with [npm](https://docs.npmjs.com/cli/init) or [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/) to bootstrap the example:
+
+```bash
+npx create-next-app --example with-sitemap with-sitemap-app
+# or
+yarn create next-app --example with-sitemap with-sitemap-app
+```
+
+### Download manually
+
+Download the example:
+
+```bash
+curl https://codeload.github.com/vercel/next.js/tar.gz/canary | tar -xz --strip=2 next.js-canary/examples/with-sitemap
+cd with-sitemap
+```
+
+Install it and run:
+
+```bash
+npm install
+npm run dev
+# or
+yarn
+yarn dev
+```
+
+Your app should be up and running on [http://localhost:3000](http://localhost:3000) and the sitemap should now be available in [http://localhost:3000/sitemap.xml](http://localhost:3000/sitemap.xml)! If it doesn't work, post on [GitHub discussions](https://github.com/vercel/next.js/discussions).
+
+To change the website URL used by `sitemap.xml`, open the file `.env` and change the `WEBSITE_URL` environment variable:
+
+```bash
+# Used to add the domain to sitemap.xml, replace it with a real domain in production
+WEBSITE_URL=https://my-domain.com
+```
+
+Deploy it to the cloud with [Vercel](https://vercel.com/import?filter=next.js&utm_source=github&utm_medium=readme&utm_campaign=next-example) ([Documentation](https://nextjs.org/docs/deployment)).
diff --git a/examples/with-sitemap/next.config.js b/examples/with-sitemap/next.config.js
new file mode 100644
index 0000000000000..08a972d01c6d6
--- /dev/null
+++ b/examples/with-sitemap/next.config.js
@@ -0,0 +1,9 @@
+module.exports = {
+  webpack: (config, { isServer }) => {
+    if (isServer) {
+      require('./scripts/generate-sitemap')
+    }
+
+    return config
+  },
+}
diff --git a/examples/with-sitemap/package.json b/examples/with-sitemap/package.json
new file mode 100644
index 0000000000000..beb83580fa2e2
--- /dev/null
+++ b/examples/with-sitemap/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "with-sitemap",
+  "version": "0.1.0",
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start"
+  },
+  "dependencies": {
+    "next": "latest",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1"
+  },
+  "devDependencies": {
+    "globby": "^11.0.1"
+  },
+  "license": "MIT"
+}
diff --git a/examples/with-sitemap/pages/contact.js b/examples/with-sitemap/pages/contact.js
new file mode 100644
index 0000000000000..0d718f02d5fc9
--- /dev/null
+++ b/examples/with-sitemap/pages/contact.js
@@ -0,0 +1,128 @@
+import Head from 'next/head'
+
+export default function Home() {
+  return (
+    <div className="container">
+      <Head>
+        <title>Create Next App</title>
+        <link rel="icon" href="/favicon.ico" />
+      </Head>
+
+      <main>
+        <h1 className="title">
+          Welcome to <a href="https://nextjs.org">Next.js!</a>
+        </h1>
+
+        <p className="description">Contact Page</p>
+      </main>
+
+      <footer>
+        <a
+          href="https://vercel.com?utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          Powered by{' '}
+          <img src="/vercel.svg" alt="Vercel Logo" className="logo" />
+        </a>
+      </footer>
+
+      <style jsx>{`
+        .container {
+          min-height: 100vh;
+          padding: 0 0.5rem;
+          display: flex;
+          flex-direction: column;
+          justify-content: center;
+          align-items: center;
+        }
+
+        main {
+          padding: 5rem 0;
+          flex: 1;
+          display: flex;
+          flex-direction: column;
+          justify-content: center;
+          align-items: center;
+        }
+
+        footer {
+          width: 100%;
+          height: 100px;
+          border-top: 1px solid #eaeaea;
+          display: flex;
+          justify-content: center;
+          align-items: center;
+        }
+
+        footer img {
+          margin-left: 0.5rem;
+        }
+
+        footer a {
+          display: flex;
+          justify-content: center;
+          align-items: center;
+        }
+
+        a {
+          color: inherit;
+          text-decoration: none;
+        }
+
+        .title a {
+          color: #0070f3;
+          text-decoration: none;
+        }
+
+        .title a:hover,
+        .title a:focus,
+        .title a:active {
+          text-decoration: underline;
+        }
+
+        .title {
+          margin: 0;
+          line-height: 1.15;
+          font-size: 4rem;
+        }
+
+        .title,
+        .description {
+          text-align: center;
+        }
+
+        .description {
+          line-height: 1.5;
+          font-size: 1.5rem;
+        }
+
+        .logo {
+          height: 1em;
+        }
+
+        @media (max-width: 600px) {
+          .grid {
+            width: 100%;
+            flex-direction: column;
+          }
+        }
+      `}</style>
+
+      <style jsx global>{`
+        html,
+        body {
+          padding: 0;
+          margin: 0;
+          font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto,
+            Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue,
+            sans-serif;
+        }
+
+        * {
+          box-sizing: border-box;
+        }
+      `}</style>
+    </div>
+  )
+}
diff --git a/examples/with-sitemap/pages/index.js b/examples/with-sitemap/pages/index.js
new file mode 100644
index 0000000000000..1379c5f92dabb
--- /dev/null
+++ b/examples/with-sitemap/pages/index.js
@@ -0,0 +1,209 @@
+import Head from 'next/head'
+
+export default function Home() {
+  return (
+    <div className="container">
+      <Head>
+        <title>Create Next App</title>
+        <link rel="icon" href="/favicon.ico" />
+      </Head>
+
+      <main>
+        <h1 className="title">
+          Welcome to <a href="https://nextjs.org">Next.js!</a>
+        </h1>
+
+        <p className="description">
+          Get started by editing <code>pages/index.js</code>
+        </p>
+
+        <div className="grid">
+          <a href="https://nextjs.org/docs" className="card">
+            <h3>Documentation &rarr;</h3>
+            <p>Find in-depth information about Next.js features and API.</p>
+          </a>
+
+          <a href="https://nextjs.org/learn" className="card">
+            <h3>Learn &rarr;</h3>
+            <p>Learn about Next.js in an interactive course with quizzes!</p>
+          </a>
+
+          <a
+            href="https://github.com/vercel/next.js/tree/master/examples"
+            className="card"
+          >
+            <h3>Examples &rarr;</h3>
+            <p>Discover and deploy boilerplate example Next.js projects.</p>
+          </a>
+
+          <a
+            href="https://vercel.com/import?filter=next.js&utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"
+            className="card"
+          >
+            <h3>Deploy &rarr;</h3>
+            <p>
+              Instantly deploy your Next.js site to a public URL with Vercel.
+            </p>
+          </a>
+        </div>
+      </main>
+
+      <footer>
+        <a
+          href="https://vercel.com?utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          Powered by{' '}
+          <img src="/vercel.svg" alt="Vercel Logo" className="logo" />
+        </a>
+      </footer>
+
+      <style jsx>{`
+        .container {
+          min-height: 100vh;
+          padding: 0 0.5rem;
+          display: flex;
+          flex-direction: column;
+          justify-content: center;
+          align-items: center;
+        }
+
+        main {
+          padding: 5rem 0;
+          flex: 1;
+          display: flex;
+          flex-direction: column;
+          justify-content: center;
+          align-items: center;
+        }
+
+        footer {
+          width: 100%;
+          height: 100px;
+          border-top: 1px solid #eaeaea;
+          display: flex;
+          justify-content: center;
+          align-items: center;
+        }
+
+        footer img {
+          margin-left: 0.5rem;
+        }
+
+        footer a {
+          display: flex;
+          justify-content: center;
+          align-items: center;
+        }
+
+        a {
+          color: inherit;
+          text-decoration: none;
+        }
+
+        .title a {
+          color: #0070f3;
+          text-decoration: none;
+        }
+
+        .title a:hover,
+        .title a:focus,
+        .title a:active {
+          text-decoration: underline;
+        }
+
+        .title {
+          margin: 0;
+          line-height: 1.15;
+          font-size: 4rem;
+        }
+
+        .title,
+        .description {
+          text-align: center;
+        }
+
+        .description {
+          line-height: 1.5;
+          font-size: 1.5rem;
+        }
+
+        code {
+          background: #fafafa;
+          border-radius: 5px;
+          padding: 0.75rem;
+          font-size: 1.1rem;
+          font-family: Menlo, Monaco, Lucida Console, Liberation Mono,
+            DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace;
+        }
+
+        .grid {
+          display: flex;
+          align-items: center;
+          justify-content: center;
+          flex-wrap: wrap;
+
+          max-width: 800px;
+          margin-top: 3rem;
+        }
+
+        .card {
+          margin: 1rem;
+          flex-basis: 45%;
+          padding: 1.5rem;
+          text-align: left;
+          color: inherit;
+          text-decoration: none;
+          border: 1px solid #eaeaea;
+          border-radius: 10px;
+          transition: color 0.15s ease, border-color 0.15s ease;
+        }
+
+        .card:hover,
+        .card:focus,
+        .card:active {
+          color: #0070f3;
+          border-color: #0070f3;
+        }
+
+        .card h3 {
+          margin: 0 0 1rem 0;
+          font-size: 1.5rem;
+        }
+
+        .card p {
+          margin: 0;
+          font-size: 1.25rem;
+          line-height: 1.5;
+        }
+
+        .logo {
+          height: 1em;
+        }
+
+        @media (max-width: 600px) {
+          .grid {
+            width: 100%;
+            flex-direction: column;
+          }
+        }
+      `}</style>
+
+      <style jsx global>{`
+        html,
+        body {
+          padding: 0;
+          margin: 0;
+          font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto,
+            Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue,
+            sans-serif;
+        }
+
+        * {
+          box-sizing: border-box;
+        }
+      `}</style>
+    </div>
+  )
+}
diff --git a/examples/with-sitemap/public/favicon.ico b/examples/with-sitemap/public/favicon.ico
new file mode 100644
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diff --git a/examples/with-sitemap/public/sitemap.xml b/examples/with-sitemap/public/sitemap.xml
new file mode 100644
index 0000000000000..73774003a77ab
--- /dev/null
+++ b/examples/with-sitemap/public/sitemap.xml
@@ -0,0 +1,10 @@
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>http://localhost:3000/contact</loc>
+    <changefreq>hourly</changefreq>
+  </url>
+  <url>
+    <loc>http://localhost:3000</loc>
+    <changefreq>hourly</changefreq>
+  </url>
+</urlset>
\ No newline at end of file
diff --git a/examples/with-sitemap/public/vercel.svg b/examples/with-sitemap/public/vercel.svg
new file mode 100644
index 0000000000000..fbf0e25a651c2
--- /dev/null
+++ b/examples/with-sitemap/public/vercel.svg
@@ -0,0 +1,4 @@
+<svg width="283" height="64" viewBox="0 0 283 64" fill="none" 
+    xmlns="http://www.w3.org/2000/svg">
+    <path d="M141.04 16c-11.04 0-19 7.2-19 18s8.96 18 20 18c6.67 0 12.55-2.64 16.19-7.09l-7.65-4.42c-2.02 2.21-5.09 3.5-8.54 3.5-4.79 0-8.86-2.5-10.37-6.5h28.02c.22-1.12.35-2.28.35-3.5 0-10.79-7.96-17.99-19-17.99zm-9.46 14.5c1.25-3.99 4.67-6.5 9.45-6.5 4.79 0 8.21 2.51 9.45 6.5h-18.9zM248.72 16c-11.04 0-19 7.2-19 18s8.96 18 20 18c6.67 0 12.55-2.64 16.19-7.09l-7.65-4.42c-2.02 2.21-5.09 3.5-8.54 3.5-4.79 0-8.86-2.5-10.37-6.5h28.02c.22-1.12.35-2.28.35-3.5 0-10.79-7.96-17.99-19-17.99zm-9.45 14.5c1.25-3.99 4.67-6.5 9.45-6.5 4.79 0 8.21 2.51 9.45 6.5h-18.9zM200.24 34c0 6 3.92 10 10 10 4.12 0 7.21-1.87 8.8-4.92l7.68 4.43c-3.18 5.3-9.14 8.49-16.48 8.49-11.05 0-19-7.2-19-18s7.96-18 19-18c7.34 0 13.29 3.19 16.48 8.49l-7.68 4.43c-1.59-3.05-4.68-4.92-8.8-4.92-6.07 0-10 4-10 10zm82.48-29v46h-9V5h9zM36.95 0L73.9 64H0L36.95 0zm92.38 5l-27.71 48L73.91 5H84.3l17.32 30 17.32-30h10.39zm58.91 12v9.69c-1-.29-2.06-.49-3.2-.49-5.81 0-10 4-10 10V51h-9V17h9v9.2c0-5.08 5.91-9.2 13.2-9.2z" fill="#000"/>
+</svg>
\ No newline at end of file
diff --git a/examples/with-sitemap/scripts/generate-sitemap.js b/examples/with-sitemap/scripts/generate-sitemap.js
new file mode 100644
index 0000000000000..4bd49377b2c50
--- /dev/null
+++ b/examples/with-sitemap/scripts/generate-sitemap.js
@@ -0,0 +1,28 @@
+const fs = require('fs')
+const globby = require('globby')
+
+function addPage(page) {
+  const path = page.replace('pages', '').replace('.js', '').replace('.mdx', '')
+  const route = path === '/index' ? '' : path
+
+  return `  <url>
+    <loc>${`${process.env.WEBSITE_URL}${route}`}</loc>
+    <changefreq>hourly</changefreq>
+  </url>`
+}
+
+async function generateSitemap() {
+  // Ignore Next.js specific files (e.g., _app.js) and API routes.
+  const pages = await globby([
+    'pages/**/*{.js,.mdx}',
+    '!pages/_*.js',
+    '!pages/api',
+  ])
+  const sitemap = `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+${pages.map(addPage).join('\n')}
+</urlset>`
+
+  fs.writeFileSync('public/sitemap.xml', sitemap)
+}
+
+generateSitemap()

From c5f29b76ea125d122d443c975896399f44c428f0 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <tim@timneutkens.nl>
Date: Fri, 24 Jul 2020 21:23:23 +0200
Subject: [PATCH 02/90] Update webpack to land chokidar patch for all Next.js
 users (#15460)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Forces all Next.js users to have this patch installed: https://twitter.com/timneutkens/status/1282129714627448832

Huge thanks to @paulmillr and @sokra 🙏
---
 packages/next/package.json |  2 +-
 yarn.lock                  | 53 +++++++++++++++++++++++++++-----------
 2 files changed, 39 insertions(+), 16 deletions(-)

diff --git a/packages/next/package.json b/packages/next/package.json
index bada05e57c3a2..3004bc9753eba 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -107,7 +107,7 @@
     "use-subscription": "1.4.1",
     "watchpack": "2.0.0-beta.13",
     "web-vitals": "0.2.1",
-    "webpack": "4.43.0",
+    "webpack": "4.44.0",
     "webpack-sources": "1.4.3"
   },
   "peerDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 5ba1dacc9ea3a..b154883c4e116 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4104,7 +4104,7 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserslist@4.13.0, browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6, browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.13.0, browserslist@^4.3.6, browserslist@^4.6.4, browserslist@^4.8.3, browserslist@^4.8.5:
+browserslist@4.13.0, browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.13.0, browserslist@^4.3.6, browserslist@^4.6.4, browserslist@^4.8.3, browserslist@^4.8.5:
   version "4.13.0"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.13.0.tgz#42556cba011e1b0a2775b611cba6a8eca18e940d"
   integrity sha512-MINatJ5ZNrLnQ6blGvePd/QOz9Xtu+Ne+x29iQSCHfkU5BugKVJwZKn/iiL8UbpIpa3JhviKjz+XxMo0m2caFQ==
@@ -4114,6 +4114,14 @@ browserslist@4.13.0, browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7
     escalade "^3.0.1"
     node-releases "^1.1.58"
 
+browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6:
+  version "1.7.7"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.7.7.tgz#0bd76704258be829b2398bb50e4b62d1a166b0b9"
+  integrity sha1-C9dnBCWL6CmyOYu1Dkti0aFmsLk=
+  dependencies:
+    caniuse-db "^1.0.30000639"
+    electron-to-chromium "^1.2.7"
+
 browserstack-local@1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/browserstack-local/-/browserstack-local-1.4.0.tgz#d979cac056f57b9af159b3bcd7fdc09b4354537c"
@@ -4412,11 +4420,21 @@ caniuse-db@^1.0.30000529, caniuse-db@^1.0.30000634:
   version "1.0.30001023"
   resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30001023.tgz#f856f71af16a5a44e81f1fcefc1673912a43da72"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30001019, caniuse-lite@^1.0.30001020, caniuse-lite@^1.0.30001093:
+caniuse-db@^1.0.30000639:
+  version "1.0.30001105"
+  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30001105.tgz#5cc03239a9d4540b3fa9a1dc8b5e3bda50226e96"
+  integrity sha512-GZytZn8lOiru/Tw+/X5sFxrFt2uPdSvkxVKzRMJyX20JGwfwOuTiRg5IMVF9II8Lao/7C4YeHR8YnZzpTvYXdQ==
+
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30001019, caniuse-lite@^1.0.30001020:
   version "1.0.30001066"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001066.tgz#0a8a58a10108f2b9bf38e7b65c237b12fd9c5f04"
   integrity sha512-Gfj/WAastBtfxLws0RCh2sDbTK/8rJuSeZMecrSkNGYxPcv7EzblmDGfWQCFEQcSqYE2BRgQiJh8HOD07N5hIw==
 
+caniuse-lite@^1.0.30001093:
+  version "1.0.30001105"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001105.tgz#d2cb0b31e5cf2f3ce845033b61c5c01566549abf"
+  integrity sha512-JupOe6+dGMr7E20siZHIZQwYqrllxotAhiaej96y6x00b/48rPt42o+SzOSCPbrpsDWvRja40Hwrj0g0q6LZJg==
+
 capitalize@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/capitalize/-/capitalize-1.0.0.tgz#dc802c580aee101929020d2ca14b4ca8a0ae44be"
@@ -4590,7 +4608,7 @@ chokidar@^1.7.0:
   optionalDependencies:
     fsevents "^1.0.0"
 
-chokidar@^3.4.0:
+chokidar@^3.4.1:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.4.1.tgz#e905bdecf10eaa0a0b1db0c664481cc4cbc22ba1"
   integrity sha512-TQTJyr2stihpC4Sya9hs2Xh+O2wf+igjL36Y75xx2WdHuiICcn/XJza46Jwt0eT5hVpQOzo3FpY3cj3RVYLX0g==
@@ -6138,6 +6156,11 @@ ejs@^2.6.1:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.7.4.tgz#48661287573dcc53e366c7a1ae52c3a120eec9ba"
 
+electron-to-chromium@^1.2.7:
+  version "1.3.506"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.506.tgz#74bd3e1fb31285b3247f165d4958da74d70ae4e4"
+  integrity sha512-k0PHtv4gD6KJu1k6lp8pvQOe12uZriOwS2x66Vnxkq0NOBucsNrItOj/ehomvcZ3S4K1ueqUCv+fsLhXBs6Zyw==
+
 electron-to-chromium@^1.3.488:
   version "1.3.501"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.501.tgz#faa17a2cb0105ee30d5e1ca87eae7d8e85dd3175"
@@ -6192,7 +6215,7 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0, end-of-stream@^1.4.1:
   dependencies:
     once "^1.4.0"
 
-enhanced-resolve@^4.1.0:
+enhanced-resolve@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-4.3.0.tgz#3b806f3bfafc1ec7de69551ef93cca46c1704126"
   integrity sha512-3e87LvavsdxyoCfGusJnrZ5G8SLPOFeHSNpZI/ATL9a5leXo2k0w6MKnbqhdBad9qTobSfB20Ld7UmgoNbAZkQ==
@@ -15999,15 +16022,15 @@ watchpack@2.0.0-beta.13:
     glob-to-regexp "^0.4.1"
     graceful-fs "^4.1.2"
 
-watchpack@^1.6.1:
-  version "1.7.2"
-  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.7.2.tgz#c02e4d4d49913c3e7e122c3325365af9d331e9aa"
-  integrity sha512-ymVbbQP40MFTp+cNMvpyBpBtygHnPzPkHqoIwRRj/0B8KhqQwV8LaKjtbaxF2lK4vl8zN9wCxS46IFCU5K4W0g==
+watchpack@^1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.7.4.tgz#6e9da53b3c80bb2d6508188f5b200410866cd30b"
+  integrity sha512-aWAgTW4MoSJzZPAicljkO1hsi1oKj/RRq/OJQh2PKI2UKL04c2Bs+MBOB+BBABHTXJpf9mCwHN7ANCvYsvY2sg==
   dependencies:
     graceful-fs "^4.1.2"
     neo-async "^2.5.0"
   optionalDependencies:
-    chokidar "^3.4.0"
+    chokidar "^3.4.1"
     watchpack-chokidar2 "^2.0.0"
 
 wcwidth@^1.0.0, wcwidth@^1.0.1:
@@ -16062,10 +16085,10 @@ webpack-sources@1.4.3, webpack-sources@^1.1.0, webpack-sources@^1.4.0, webpack-s
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@4.43.0:
-  version "4.43.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.43.0.tgz#c48547b11d563224c561dad1172c8aa0b8a678e6"
-  integrity sha512-GW1LjnPipFW2Y78OOab8NJlCflB7EFskMih2AHdvjbpKMeDJqEgSx24cXXXiPS65+WSwVyxtDsJH6jGX2czy+g==
+webpack@4.44.0:
+  version "4.44.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.44.0.tgz#3b08f88a89470175f036f4a9496b8a0428668802"
+  integrity sha512-wAuJxK123sqAw31SpkPiPW3iKHgFUiKvO7E7UZjtdExcsRe3fgav4mvoMM7vvpjLHVoJ6a0Mtp2fzkoA13e0Zw==
   dependencies:
     "@webassemblyjs/ast" "1.9.0"
     "@webassemblyjs/helper-module-context" "1.9.0"
@@ -16075,7 +16098,7 @@ webpack@4.43.0:
     ajv "^6.10.2"
     ajv-keywords "^3.4.1"
     chrome-trace-event "^1.0.2"
-    enhanced-resolve "^4.1.0"
+    enhanced-resolve "^4.3.0"
     eslint-scope "^4.0.3"
     json-parse-better-errors "^1.0.2"
     loader-runner "^2.4.0"
@@ -16088,7 +16111,7 @@ webpack@4.43.0:
     schema-utils "^1.0.0"
     tapable "^1.1.3"
     terser-webpack-plugin "^1.4.3"
-    watchpack "^1.6.1"
+    watchpack "^1.7.4"
     webpack-sources "^1.4.1"
 
 websocket-driver@>=0.5.1:

From e6e2722b117976d6233f5c72c337a3b03a3906c9 Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Fri, 24 Jul 2020 22:04:53 +0200
Subject: [PATCH 03/90] Tweak test retries for invalid-href suite (#15459)

- Reduce jest retries to 2 for a total of 3 attempts
- Disable retries in `invalid-href` test. I noticed jest retries don't help when this test fails (see log output of https://github.com/vercel/next.js/runs/904147534).
---
 run-tests.js                                     | 2 +-
 test/integration/invalid-href/test/index.test.js | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/run-tests.js b/run-tests.js
index df5991493e6f4..5dd3964ab57cd 100644
--- a/run-tests.js
+++ b/run-tests.js
@@ -136,7 +136,7 @@ const TIMINGS_API = `https://next-timings.jjsweb.site/api/timings`
         {
           stdio: 'inherit',
           env: {
-            JEST_RETRY_TIMES: 3,
+            JEST_RETRY_TIMES: 2,
             ...process.env,
             ...(isAzure
               ? {
diff --git a/test/integration/invalid-href/test/index.test.js b/test/integration/invalid-href/test/index.test.js
index e80edc99d00b6..b612671d88a38 100644
--- a/test/integration/invalid-href/test/index.test.js
+++ b/test/integration/invalid-href/test/index.test.js
@@ -14,7 +14,7 @@ import {
 import webdriver from 'next-webdriver'
 import { join } from 'path'
 
-jest.setTimeout(1000 * 60 * 2)
+jest.setTimeout(1000 * 60 * 1)
 
 let app
 let appPort
@@ -23,6 +23,10 @@ const appDir = join(__dirname, '..')
 const firstErrorRegex = /Invalid href passed to router: mailto:idk@idk.com.*invalid-href-passed/
 const secondErrorRegex = /Invalid href passed to router: .*google\.com.*invalid-href-passed/
 
+// This test doesn't seem to benefit from retries, let's disable them until the test gets fixed
+// to prevent long running times
+jest.retryTimes(0)
+
 const showsError = async (pathname, regex, click = false, isWarn = false) => {
   const browser = await webdriver(appPort, pathname)
   try {

From 1a34b237b62eeb9424983794dc31820f713e02a0 Mon Sep 17 00:00:00 2001
From: Robin Tom <31811117+robintom@users.noreply.github.com>
Date: Sat, 25 Jul 2020 08:08:58 +0530
Subject: [PATCH 04/90] Example for Rewrites (Custom routes) (#15403)

This PR adds example for #15073
> - [ ] `rewrites` For [docs/api-reference/next.config.js/rewrites.md](https://github.com/vercel/next.js/blob/canary/docs/api-reference/next.config.js/rewrites.md)
---
 docs/api-reference/next.config.js/rewrites.md |  7 +++
 examples/rewrites/.gitignore                  | 34 ++++++++++++
 examples/rewrites/README.md                   | 23 ++++++++
 examples/rewrites/next.config.js              | 29 ++++++++++
 examples/rewrites/package.json                | 15 ++++++
 examples/rewrites/pages/about.js              | 32 +++++++++++
 examples/rewrites/pages/index.js              | 54 +++++++++++++++++++
 examples/rewrites/pages/news/[...slug].js     | 35 ++++++++++++
 examples/rewrites/styles.module.css           | 51 ++++++++++++++++++
 9 files changed, 280 insertions(+)
 create mode 100644 examples/rewrites/.gitignore
 create mode 100644 examples/rewrites/README.md
 create mode 100644 examples/rewrites/next.config.js
 create mode 100644 examples/rewrites/package.json
 create mode 100644 examples/rewrites/pages/about.js
 create mode 100644 examples/rewrites/pages/index.js
 create mode 100644 examples/rewrites/pages/news/[...slug].js
 create mode 100644 examples/rewrites/styles.module.css

diff --git a/docs/api-reference/next.config.js/rewrites.md b/docs/api-reference/next.config.js/rewrites.md
index f922daaebf2cd..29d99b460ad98 100644
--- a/docs/api-reference/next.config.js/rewrites.md
+++ b/docs/api-reference/next.config.js/rewrites.md
@@ -4,6 +4,13 @@ description: Add rewrites to your Next.js app.
 
 # Rewrites
 
+<details>
+  <summary><b>Examples</b></summary>
+  <ul>
+    <li><a href="https://github.com/vercel/next.js/tree/canary/examples/rewrites">Rewrites</a></li>
+  </ul>
+</details>
+
 Rewrites allow you to map an incoming request path to a different destination path.
 
 Rewrites are only available on the Node.js environment and do not affect client-side routing.
diff --git a/examples/rewrites/.gitignore b/examples/rewrites/.gitignore
new file mode 100644
index 0000000000000..1437c53f70bc2
--- /dev/null
+++ b/examples/rewrites/.gitignore
@@ -0,0 +1,34 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# vercel
+.vercel
diff --git a/examples/rewrites/README.md b/examples/rewrites/README.md
new file mode 100644
index 0000000000000..4e02089b55fb9
--- /dev/null
+++ b/examples/rewrites/README.md
@@ -0,0 +1,23 @@
+# Rewrites Example
+
+This example shows how to use [rewrites in Next.js](https://nextjs.org/docs/api-reference/next.config.js/rewrites) to map an incoming request path to a different destination path.
+
+The index page ([`pages/index.js`](pages/index.js)) has a list of links that match the rewrites defined in [`next.config.js`](next.config.js). Run or deploy the app to see how it works!
+
+## Deploy your own
+
+Deploy the example using [Vercel](https://vercel.com):
+
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/import/project?template=https://github.com/vercel/next.js/tree/canary/examples/rewrites)
+
+## How to use
+
+Execute [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app) with [npm](https://docs.npmjs.com/cli/init) or [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/) to bootstrap the example:
+
+```bash
+npx create-next-app --example rewrites rewrites-app
+# or
+yarn create next-app --example rewrites rewrites-app
+```
+
+Deploy it to the cloud with [Vercel](https://vercel.com/import?filter=next.js&utm_source=github&utm_medium=readme&utm_campaign=next-example) ([Documentation](https://nextjs.org/docs/deployment)).
diff --git a/examples/rewrites/next.config.js b/examples/rewrites/next.config.js
new file mode 100644
index 0000000000000..be6f24b054da1
--- /dev/null
+++ b/examples/rewrites/next.config.js
@@ -0,0 +1,29 @@
+module.exports = {
+  async rewrites() {
+    return [
+      {
+        source: '/team',
+        destination: '/about',
+      },
+      {
+        source: '/about-us',
+        destination: '/about',
+      },
+      // Path Matching - will match `/post/a` but not `/post/a/b`
+      {
+        source: '/post/:slug',
+        destination: '/news/:slug',
+      },
+      // Wildcard Path Matching - will match `/news/a` and `/news/a/b`
+      {
+        source: '/blog/:slug*',
+        destination: '/news/:slug*',
+      },
+      // Rewriting to an external URL
+      {
+        source: '/docs/:slug',
+        destination: 'http://example.com/docs/:slug',
+      },
+    ]
+  },
+}
diff --git a/examples/rewrites/package.json b/examples/rewrites/package.json
new file mode 100644
index 0000000000000..460cf0fcad9ff
--- /dev/null
+++ b/examples/rewrites/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "rewrites",
+  "version": "1.0.0",
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start"
+  },
+  "dependencies": {
+    "next": "9.4.5-canary.43",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1"
+  },
+  "license": "MIT"
+}
diff --git a/examples/rewrites/pages/about.js b/examples/rewrites/pages/about.js
new file mode 100644
index 0000000000000..4e4ce29213362
--- /dev/null
+++ b/examples/rewrites/pages/about.js
@@ -0,0 +1,32 @@
+import { useState, useEffect } from 'react'
+import { useRouter } from 'next/router'
+import Link from 'next/link'
+import styles from '../styles.module.css'
+
+const Code = (p) => <code className={styles.inlineCode} {...p} />
+
+export default function About() {
+  const { asPath, route } = useRouter()
+  const [path, setPath] = useState()
+
+  // `asPath` is always `/about` in Node.js (server render), because the page is statically generated
+  // so we wait for the browser to load, and use the updated `asPath`, which may be a path
+  // other than `/about` when using a rewrite. This way we can avoid a content mismatch
+  useEffect(() => setPath(asPath), [asPath])
+
+  return (
+    <div className={styles.container}>
+      <div className={styles.card}>
+        <h1>Path: {path}</h1>
+        <hr className={styles.hr} />
+        <p>
+          {' '}
+          This page was rendered by <Code>{`pages${route}.js`}</Code>.
+        </p>
+        <Link href="/">
+          <a> &larr; Back home</a>
+        </Link>
+      </div>
+    </div>
+  )
+}
diff --git a/examples/rewrites/pages/index.js b/examples/rewrites/pages/index.js
new file mode 100644
index 0000000000000..6baeb6afce252
--- /dev/null
+++ b/examples/rewrites/pages/index.js
@@ -0,0 +1,54 @@
+import styles from '../styles.module.css'
+import Link from 'next/link'
+
+const Code = (p) => <code className={styles.inlineCode} {...p} />
+
+const Index = () => (
+  <div className={styles.container}>
+    <div className={styles.card}>
+      <h1>Rewrites with Next.js</h1>
+      <hr className={styles.hr} />
+      <p>
+        The links below are{' '}
+        <a href="https://nextjs.org/docs/api-reference/next.config.js/rewrites">
+          custom <Code>rewrites</Code>
+        </a>{' '}
+        that map an incoming request path to a different destination path.
+      </p>
+      <nav>
+        <ul className={styles.list}>
+          <li>
+            <Link href="/about" as="/team">
+              <a>Visit /team</a>
+            </Link>
+          </li>
+          <li>
+            <Link href="/about" as="/about-us">
+              <a>Visit /about-us</a>
+            </Link>
+          </li>
+          <li>
+            <Link href="/post/first-post">
+              <a>Visit /post/first-post</a>
+            </Link>
+          </li>
+          <li>
+            <Link href="/blog/2020/first-post">
+              <a>Visit /blog/2020/first-post</a>
+            </Link>
+          </li>
+          <li>
+            <a href="/docs/page">Visit External URL</a>
+          </li>
+        </ul>
+      </nav>
+      <p>
+        Open <Code>next.config.js</Code> to learn more about the rewrites that
+        match the links above.
+      </p>
+      <hr className={styles.hr} />
+    </div>
+  </div>
+)
+
+export default Index
diff --git a/examples/rewrites/pages/news/[...slug].js b/examples/rewrites/pages/news/[...slug].js
new file mode 100644
index 0000000000000..1b537cf69be27
--- /dev/null
+++ b/examples/rewrites/pages/news/[...slug].js
@@ -0,0 +1,35 @@
+import { useRouter } from 'next/router'
+import Link from 'next/link'
+import styles from '../../styles.module.css'
+
+const Code = (p) => <code className={styles.inlineCode} {...p} />
+
+export default function News() {
+  const { asPath, route, query } = useRouter()
+
+  return (
+    <div className={styles.container}>
+      <div className={styles.card}>
+        <h1>Path: {asPath}</h1>
+        <hr className={styles.hr} />
+        <p>
+          This page was rendered by <Code>{`pages${route}.js`}</Code>.
+        </p>
+        <p>
+          The query <Code>slug</Code> for this page is:{' '}
+          <Code>{JSON.stringify(query.slug)}</Code>
+        </p>
+        <Link href="/">
+          <a> &larr; Back home</a>
+        </Link>
+      </div>
+    </div>
+  )
+}
+
+// Use SSR for this page as currently rewrites don't work with dynamic pages without SSR
+export async function getServerSideProps(context) {
+  return {
+    props: {},
+  }
+}
diff --git a/examples/rewrites/styles.module.css b/examples/rewrites/styles.module.css
new file mode 100644
index 0000000000000..cd7bec9b86a9b
--- /dev/null
+++ b/examples/rewrites/styles.module.css
@@ -0,0 +1,51 @@
+.container {
+  padding: 4rem 1rem;
+  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
+}
+
+.container p {
+  margin: 1.5rem 0;
+}
+
+.card {
+  max-width: 50rem;
+  box-shadow: -10px 10px 80px rgba(0, 0, 0, 0.12);
+  border: 1px solid #eee;
+  border-radius: 8px;
+  padding: 2rem;
+  margin: 0 auto;
+}
+
+.inlineCode {
+  color: #be00ff;
+  font-size: 16px;
+  white-space: pre-wrap;
+}
+
+.inlineCode::before,
+.inlineCode::after {
+  content: '`';
+}
+
+.hr {
+  border: 0;
+  border-top: 1px solid #eaeaea;
+  margin: 1.5rem 0;
+}
+
+.list {
+  padding-left: 1.5rem;
+  margin: 1.25rem 0;
+  list-style-type: none;
+}
+
+.list li {
+  margin-bottom: 0.75rem;
+}
+
+.list li:before {
+  content: '-';
+  color: #999999;
+  position: absolute;
+  margin-left: -1rem;
+}

From 1509465f25169444454276074397466e1f73447e Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Fri, 24 Jul 2020 23:07:42 -0400
Subject: [PATCH 05/90] Update lockfile

---
 yarn.lock | 27 ++-------------------------
 1 file changed, 2 insertions(+), 25 deletions(-)

diff --git a/yarn.lock b/yarn.lock
index b154883c4e116..fa0589cc1b5e3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4104,7 +4104,7 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserslist@4.13.0, browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.13.0, browserslist@^4.3.6, browserslist@^4.6.4, browserslist@^4.8.3, browserslist@^4.8.5:
+browserslist@4.13.0, browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6, browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.13.0, browserslist@^4.3.6, browserslist@^4.6.4, browserslist@^4.8.3, browserslist@^4.8.5:
   version "4.13.0"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.13.0.tgz#42556cba011e1b0a2775b611cba6a8eca18e940d"
   integrity sha512-MINatJ5ZNrLnQ6blGvePd/QOz9Xtu+Ne+x29iQSCHfkU5BugKVJwZKn/iiL8UbpIpa3JhviKjz+XxMo0m2caFQ==
@@ -4114,14 +4114,6 @@ browserslist@4.13.0, browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.
     escalade "^3.0.1"
     node-releases "^1.1.58"
 
-browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6:
-  version "1.7.7"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.7.7.tgz#0bd76704258be829b2398bb50e4b62d1a166b0b9"
-  integrity sha1-C9dnBCWL6CmyOYu1Dkti0aFmsLk=
-  dependencies:
-    caniuse-db "^1.0.30000639"
-    electron-to-chromium "^1.2.7"
-
 browserstack-local@1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/browserstack-local/-/browserstack-local-1.4.0.tgz#d979cac056f57b9af159b3bcd7fdc09b4354537c"
@@ -4420,21 +4412,11 @@ caniuse-db@^1.0.30000529, caniuse-db@^1.0.30000634:
   version "1.0.30001023"
   resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30001023.tgz#f856f71af16a5a44e81f1fcefc1673912a43da72"
 
-caniuse-db@^1.0.30000639:
-  version "1.0.30001105"
-  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30001105.tgz#5cc03239a9d4540b3fa9a1dc8b5e3bda50226e96"
-  integrity sha512-GZytZn8lOiru/Tw+/X5sFxrFt2uPdSvkxVKzRMJyX20JGwfwOuTiRg5IMVF9II8Lao/7C4YeHR8YnZzpTvYXdQ==
-
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30001019, caniuse-lite@^1.0.30001020:
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30001019, caniuse-lite@^1.0.30001020, caniuse-lite@^1.0.30001093:
   version "1.0.30001066"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001066.tgz#0a8a58a10108f2b9bf38e7b65c237b12fd9c5f04"
   integrity sha512-Gfj/WAastBtfxLws0RCh2sDbTK/8rJuSeZMecrSkNGYxPcv7EzblmDGfWQCFEQcSqYE2BRgQiJh8HOD07N5hIw==
 
-caniuse-lite@^1.0.30001093:
-  version "1.0.30001105"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001105.tgz#d2cb0b31e5cf2f3ce845033b61c5c01566549abf"
-  integrity sha512-JupOe6+dGMr7E20siZHIZQwYqrllxotAhiaej96y6x00b/48rPt42o+SzOSCPbrpsDWvRja40Hwrj0g0q6LZJg==
-
 capitalize@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/capitalize/-/capitalize-1.0.0.tgz#dc802c580aee101929020d2ca14b4ca8a0ae44be"
@@ -6156,11 +6138,6 @@ ejs@^2.6.1:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.7.4.tgz#48661287573dcc53e366c7a1ae52c3a120eec9ba"
 
-electron-to-chromium@^1.2.7:
-  version "1.3.506"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.506.tgz#74bd3e1fb31285b3247f165d4958da74d70ae4e4"
-  integrity sha512-k0PHtv4gD6KJu1k6lp8pvQOe12uZriOwS2x66Vnxkq0NOBucsNrItOj/ehomvcZ3S4K1ueqUCv+fsLhXBs6Zyw==
-
 electron-to-chromium@^1.3.488:
   version "1.3.501"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.501.tgz#faa17a2cb0105ee30d5e1ca87eae7d8e85dd3175"

From c9836676542e6aed8c833307853489838a8672fe Mon Sep 17 00:00:00 2001
From: Karl Horky <karl.horky@gmail.com>
Date: Sat, 25 Jul 2020 05:28:18 +0200
Subject: [PATCH 06/90] Link with-polyfills example to updated polyfill docs
 (#13943)

* Link to updated polyfill docs

Ref: https://github.com/vercel/next.js/pull/13766

* Update examples/with-polyfills/README.md

Co-authored-by: Joe Haddad <timer150@gmail.com>
---
 examples/with-polyfills/README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/examples/with-polyfills/README.md b/examples/with-polyfills/README.md
index 360159375bb82..0ac052ada46a3 100644
--- a/examples/with-polyfills/README.md
+++ b/examples/with-polyfills/README.md
@@ -1,5 +1,7 @@
 # Example app with polyfills
 
+> ❗️ Warning: This example is not the suggested way to add polyfills and is known to cause issues with bundling. See [the browser support docs](https://nextjs.org/docs/basic-features/supported-browsers-features#custom-polyfills) for the correct way to load polyfills.
+
 Next.js supports modern browsers and IE 11. It loads required polyfills automatically. If you need to add custom polyfills, you can follow this example.
 
 ## Deploy your own

From f22f88fd733518299b9941c2a2e9747b837e47f1 Mon Sep 17 00:00:00 2001
From: James Mosier <2854919+jamesmosier@users.noreply.github.com>
Date: Sat, 25 Jul 2020 00:36:43 -0400
Subject: [PATCH 07/90] Always resolve after router.prefetch() (#15448)

In development or with an invalid href, `await router.prefetch()` would not resolve the promise. This PR ensures that `await router.prefetch()` always resolves, no matter if it succeeds or not.

Fixes: https://github.com/vercel/next.js/issues/15436
Relevant discussion: https://github.com/vercel/next.js/discussions/15431#discussioncomment-41264
---
 .../next/next-server/lib/router/router.ts     | 29 ++++-----
 .../build-output/test/index.test.js           |  2 +-
 .../router-prefetch/pages/another-page.js     |  3 +
 .../router-prefetch/pages/index.js            | 22 +++++++
 .../router-prefetch/test/index.test.js        | 65 +++++++++++++++++++
 5 files changed, 105 insertions(+), 16 deletions(-)
 create mode 100644 test/integration/router-prefetch/pages/another-page.js
 create mode 100644 test/integration/router-prefetch/pages/index.js
 create mode 100644 test/integration/router-prefetch/test/index.test.js

diff --git a/packages/next/next-server/lib/router/router.ts b/packages/next/next-server/lib/router/router.ts
index 56e5fa0efda50..1e256d190aac2 100644
--- a/packages/next/next-server/lib/router/router.ts
+++ b/packages/next/next-server/lib/router/router.ts
@@ -802,28 +802,27 @@ export default class Router implements BaseRouter {
    * @param url the href of prefetched page
    * @param asPath the as path of the prefetched page
    */
-  prefetch(
+  async prefetch(
     url: string,
     asPath: string = url,
     options: PrefetchOptions = {}
   ): Promise<void> {
-    return new Promise((resolve, reject) => {
-      const parsed = tryParseRelativeUrl(url)
+    const parsed = tryParseRelativeUrl(url)
 
-      if (!parsed) return
+    if (!parsed) return
 
-      const { pathname } = parsed
+    const { pathname } = parsed
 
-      // Prefetch is not supported in development mode because it would trigger on-demand-entries
-      if (process.env.NODE_ENV !== 'production') {
-        return
-      }
-      const route = removePathTrailingSlash(pathname)
-      Promise.all([
-        this.pageLoader.prefetchData(url, asPath),
-        this.pageLoader[options.priority ? 'loadPage' : 'prefetch'](route),
-      ]).then(() => resolve(), reject)
-    })
+    // Prefetch is not supported in development mode because it would trigger on-demand-entries
+    if (process.env.NODE_ENV !== 'production') {
+      return
+    }
+
+    const route = removePathTrailingSlash(pathname)
+    await Promise.all([
+      this.pageLoader.prefetchData(url, asPath),
+      this.pageLoader[options.priority ? 'loadPage' : 'prefetch'](route),
+    ])
   }
 
   async fetchComponent(route: string): Promise<ComponentRes> {
diff --git a/test/integration/build-output/test/index.test.js b/test/integration/build-output/test/index.test.js
index fc148ee0066de..fb864ecf43991 100644
--- a/test/integration/build-output/test/index.test.js
+++ b/test/integration/build-output/test/index.test.js
@@ -104,7 +104,7 @@ describe('Build Output', () => {
       expect(parseFloat(err404FirstLoad) - 63).toBeLessThanOrEqual(0)
       expect(err404FirstLoad.endsWith('kB')).toBe(true)
 
-      expect(parseFloat(sharedByAll) - 59.2).toBeLessThanOrEqual(0)
+      expect(parseFloat(sharedByAll) - 59.3).toBeLessThanOrEqual(0)
       expect(sharedByAll.endsWith('kB')).toBe(true)
 
       if (_appSize.endsWith('kB')) {
diff --git a/test/integration/router-prefetch/pages/another-page.js b/test/integration/router-prefetch/pages/another-page.js
new file mode 100644
index 0000000000000..00812ffc7c611
--- /dev/null
+++ b/test/integration/router-prefetch/pages/another-page.js
@@ -0,0 +1,3 @@
+export default function AnotherPage() {
+  return null
+}
diff --git a/test/integration/router-prefetch/pages/index.js b/test/integration/router-prefetch/pages/index.js
new file mode 100644
index 0000000000000..9bedf8703bc64
--- /dev/null
+++ b/test/integration/router-prefetch/pages/index.js
@@ -0,0 +1,22 @@
+import { useState } from 'react'
+import { useRouter } from 'next/router'
+
+export default function RouterPrefetch() {
+  const router = useRouter()
+  const [visible, setVisible] = useState(false)
+  const handleClick = async () => {
+    await router.prefetch(
+      process.env.NODE_ENV === 'development' ? '/another-page' : 'vercel.com'
+    )
+    setVisible(true)
+  }
+
+  return (
+    <div>
+      <button type="button" id="prefetch-button" onClick={handleClick}>
+        click
+      </button>
+      {visible && <div id="hidden-until-click">visible</div>}
+    </div>
+  )
+}
diff --git a/test/integration/router-prefetch/test/index.test.js b/test/integration/router-prefetch/test/index.test.js
new file mode 100644
index 0000000000000..ba8335c0141bc
--- /dev/null
+++ b/test/integration/router-prefetch/test/index.test.js
@@ -0,0 +1,65 @@
+/* eslint-env jest */
+
+import { join } from 'path'
+import webdriver from 'next-webdriver'
+import {
+  findPort,
+  launchApp,
+  killApp,
+  nextStart,
+  nextBuild,
+} from 'next-test-utils'
+
+jest.setTimeout(1000 * 60 * 5)
+let app
+let appPort
+const appDir = join(__dirname, '..')
+
+const didResolveAfterPrefetch = async () => {
+  const browser = await webdriver(appPort, '/')
+  const text = await browser
+    .elementByCss('#prefetch-button')
+    .click()
+    .waitForElementByCss('#hidden-until-click')
+    .text()
+  expect(text).toBe('visible')
+  await browser.close()
+}
+
+describe('Router prefetch', () => {
+  describe('dev mode', () => {
+    beforeAll(async () => {
+      appPort = await findPort()
+      app = await launchApp(appDir, appPort)
+    })
+    afterAll(() => killApp(app))
+
+    it('should not prefetch', async () => {
+      const browser = await webdriver(appPort, '/')
+      const links = await browser
+        .elementByCss('#prefetch-button')
+        .click()
+        .elementsByCss('link[rel=prefetch]')
+
+      expect(links.length).toBe(0)
+      await browser.close()
+    })
+
+    it('should resolve prefetch promise', async () => {
+      await didResolveAfterPrefetch()
+    })
+  })
+
+  describe('production mode', () => {
+    beforeAll(async () => {
+      await nextBuild(appDir)
+      appPort = await findPort()
+      app = await nextStart(appDir, appPort)
+    })
+    afterAll(() => killApp(app))
+
+    it('should resolve prefetch promise with invalid href', async () => {
+      await didResolveAfterPrefetch()
+    })
+  })
+})

From 574fe0b582d5cc1b13663121fd47a3d82deaaa17 Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Sat, 25 Jul 2020 07:11:42 +0200
Subject: [PATCH 08/90] Make dynamic routes case-sensitive (#15444)

Fixes https://github.com/vercel/next.js/issues/15377
Closes https://github.com/vercel/next.js/pull/15394
---
 .../lib/router/utils/route-regex.ts           |  4 ++--
 .../pages/dynamic/[slug]/route.js             | 13 +++++++++++
 .../client-navigation/test/index.test.js      | 22 +++++++++++++++++++
 3 files changed, 37 insertions(+), 2 deletions(-)
 create mode 100644 test/integration/client-navigation/pages/dynamic/[slug]/route.js

diff --git a/packages/next/next-server/lib/router/utils/route-regex.ts b/packages/next/next-server/lib/router/utils/route-regex.ts
index b0f74bef7480a..be5c3865e2da7 100644
--- a/packages/next/next-server/lib/router/utils/route-regex.ts
+++ b/packages/next/next-server/lib/router/utils/route-regex.ts
@@ -107,7 +107,7 @@ export function getRouteRegex(
       .join('')
 
     return {
-      re: new RegExp(`^${parameterizedRoute}(?:/)?$`, 'i'),
+      re: new RegExp(`^${parameterizedRoute}(?:/)?$`),
       groups,
       routeKeys,
       namedRegex: `^${namedParameterizedRoute}(?:/)?$`,
@@ -115,7 +115,7 @@ export function getRouteRegex(
   }
 
   return {
-    re: new RegExp(`^${parameterizedRoute}(?:/)?$`, 'i'),
+    re: new RegExp(`^${parameterizedRoute}(?:/)?$`),
     groups,
   }
 }
diff --git a/test/integration/client-navigation/pages/dynamic/[slug]/route.js b/test/integration/client-navigation/pages/dynamic/[slug]/route.js
new file mode 100644
index 0000000000000..0f1da367eac78
--- /dev/null
+++ b/test/integration/client-navigation/pages/dynamic/[slug]/route.js
@@ -0,0 +1,13 @@
+import React from 'react'
+
+export default class DynamicRoute extends React.Component {
+  static async getInitialProps({ query = { slug: 'default' } }) {
+    return {
+      query,
+    }
+  }
+
+  render() {
+    return <p>{this.props.query.slug}</p>
+  }
+}
diff --git a/test/integration/client-navigation/test/index.test.js b/test/integration/client-navigation/test/index.test.js
index 482d3d5a9cee5..12d3cf648e93f 100644
--- a/test/integration/client-navigation/test/index.test.js
+++ b/test/integration/client-navigation/test/index.test.js
@@ -43,6 +43,7 @@ describe('Client Navigation', () => {
       '/url-prop-override',
 
       '/dynamic/ssr',
+      '/dynamic/[slug]/route',
 
       '/nav',
       '/nav/about',
@@ -1002,6 +1003,27 @@ describe('Client Navigation', () => {
       await browser.close()
     })
 
+    it('should get url dynamic param', async () => {
+      const browser = await webdriver(
+        context.appPort,
+        '/dynamic/dynamic-part/route'
+      )
+      expect(await browser.elementByCss('p').text()).toBe('dynamic-part')
+      await browser.close()
+    })
+
+    it('should 404 on wrong casing of url dynamic param', async () => {
+      const browser = await webdriver(
+        context.appPort,
+        '/dynamic/dynamic-part/RoUtE'
+      )
+      expect(await browser.elementByCss('h1').text()).toBe('404')
+      expect(await browser.elementByCss('h2').text()).toBe(
+        'This page could not be found.'
+      )
+      await browser.close()
+    })
+
     it('should not 404 for <page>/', async () => {
       const browser = await webdriver(context.appPort, '/nav/about/')
       const text = await browser.elementByCss('p').text()

From ebe4bb1ee4fb79fa78bf7ef5ee23f3c035becf75 Mon Sep 17 00:00:00 2001
From: David Stotijn <dstotijn@gmail.com>
Date: Sat, 25 Jul 2020 23:16:20 +0200
Subject: [PATCH 09/90] Upgrade Apollo Client to 3.0 in
 `examples/api-routes-apollo-server-and-client-auth` (#15272)

---
 .../apollo/client.js                                     | 7 +++----
 .../apollo/type-defs.js                                  | 2 +-
 .../package.json                                         | 9 +--------
 .../pages/_app.js                                        | 2 +-
 .../pages/index.js                                       | 3 +--
 .../pages/signin.js                                      | 4 ++--
 .../pages/signout.js                                     | 3 +--
 .../pages/signup.js                                      | 3 +--
 8 files changed, 11 insertions(+), 22 deletions(-)

diff --git a/examples/api-routes-apollo-server-and-client-auth/apollo/client.js b/examples/api-routes-apollo-server-and-client-auth/apollo/client.js
index 26ae378500bdc..a25caf6efc987 100644
--- a/examples/api-routes-apollo-server-and-client-auth/apollo/client.js
+++ b/examples/api-routes-apollo-server-and-client-auth/apollo/client.js
@@ -1,16 +1,15 @@
 import { useMemo } from 'react'
-import { ApolloClient } from 'apollo-client'
-import { InMemoryCache } from 'apollo-cache-inmemory'
+import { ApolloClient, InMemoryCache } from '@apollo/client'
 
 let apolloClient
 
 function createIsomorphLink() {
   if (typeof window === 'undefined') {
-    const { SchemaLink } = require('apollo-link-schema')
+    const { SchemaLink } = require('@apollo/client/link/schema')
     const { schema } = require('./schema')
     return new SchemaLink({ schema })
   } else {
-    const { HttpLink } = require('apollo-link-http')
+    const { HttpLink } = require('@apollo/client/link/http')
     return new HttpLink({
       uri: '/api/graphql',
       credentials: 'same-origin',
diff --git a/examples/api-routes-apollo-server-and-client-auth/apollo/type-defs.js b/examples/api-routes-apollo-server-and-client-auth/apollo/type-defs.js
index bea78a284e80b..e9ae131763228 100644
--- a/examples/api-routes-apollo-server-and-client-auth/apollo/type-defs.js
+++ b/examples/api-routes-apollo-server-and-client-auth/apollo/type-defs.js
@@ -1,4 +1,4 @@
-import gql from 'graphql-tag'
+import { gql } from '@apollo/client'
 
 export const typeDefs = gql`
   type User {
diff --git a/examples/api-routes-apollo-server-and-client-auth/package.json b/examples/api-routes-apollo-server-and-client-auth/package.json
index d0ccec797752a..5eb3bf2467176 100644
--- a/examples/api-routes-apollo-server-and-client-auth/package.json
+++ b/examples/api-routes-apollo-server-and-client-auth/package.json
@@ -7,18 +7,11 @@
     "start": "next start"
   },
   "dependencies": {
-    "@apollo/react-common": "^3.1.4",
-    "@apollo/react-hooks": "^3.1.5",
+    "@apollo/client": "^3.0.2",
     "@hapi/iron": "6.0.0",
-    "apollo-cache-inmemory": "^1.6.6",
-    "apollo-client": "^2.6.10",
-    "apollo-link-http": "^1.5.17",
-    "apollo-link-schema": "^1.2.5",
     "apollo-server-micro": "^2.14.2",
-    "apollo-utilities": "^1.3.2",
     "cookie": "^0.4.1",
     "graphql": "^14.0.2",
-    "graphql-tag": "^2.10.3",
     "next": "latest",
     "prop-types": "^15.6.2",
     "react": "^16.7.0",
diff --git a/examples/api-routes-apollo-server-and-client-auth/pages/_app.js b/examples/api-routes-apollo-server-and-client-auth/pages/_app.js
index 0345a86b23ea3..482728ae76e6d 100644
--- a/examples/api-routes-apollo-server-and-client-auth/pages/_app.js
+++ b/examples/api-routes-apollo-server-and-client-auth/pages/_app.js
@@ -1,4 +1,4 @@
-import { ApolloProvider } from '@apollo/react-hooks'
+import { ApolloProvider } from '@apollo/client'
 import { useApollo } from '../apollo/client'
 
 export default function App({ Component, pageProps }) {
diff --git a/examples/api-routes-apollo-server-and-client-auth/pages/index.js b/examples/api-routes-apollo-server-and-client-auth/pages/index.js
index 11ed53b934dee..34d1186744cfc 100644
--- a/examples/api-routes-apollo-server-and-client-auth/pages/index.js
+++ b/examples/api-routes-apollo-server-and-client-auth/pages/index.js
@@ -1,8 +1,7 @@
 import { useEffect } from 'react'
 import { useRouter } from 'next/router'
 import Link from 'next/link'
-import gql from 'graphql-tag'
-import { useQuery } from '@apollo/react-hooks'
+import { gql, useQuery } from '@apollo/client'
 
 const ViewerQuery = gql`
   query ViewerQuery {
diff --git a/examples/api-routes-apollo-server-and-client-auth/pages/signin.js b/examples/api-routes-apollo-server-and-client-auth/pages/signin.js
index 34bc49d790b26..0e652164cffef 100644
--- a/examples/api-routes-apollo-server-and-client-auth/pages/signin.js
+++ b/examples/api-routes-apollo-server-and-client-auth/pages/signin.js
@@ -1,8 +1,8 @@
 import { useState } from 'react'
 import { useRouter } from 'next/router'
 import Link from 'next/link'
-import gql from 'graphql-tag'
-import { useMutation, useApolloClient } from '@apollo/react-hooks'
+import { gql } from '@apollo/client'
+import { useMutation, useApolloClient } from '@apollo/client'
 import { getErrorMessage } from '../lib/form'
 import Field from '../components/field'
 
diff --git a/examples/api-routes-apollo-server-and-client-auth/pages/signout.js b/examples/api-routes-apollo-server-and-client-auth/pages/signout.js
index 11e67f9e99d09..046310db75e77 100644
--- a/examples/api-routes-apollo-server-and-client-auth/pages/signout.js
+++ b/examples/api-routes-apollo-server-and-client-auth/pages/signout.js
@@ -1,7 +1,6 @@
 import { useEffect } from 'react'
 import { useRouter } from 'next/router'
-import { useMutation, useApolloClient } from '@apollo/react-hooks'
-import gql from 'graphql-tag'
+import { gql, useMutation, useApolloClient } from '@apollo/client'
 
 const SignOutMutation = gql`
   mutation SignOutMutation {
diff --git a/examples/api-routes-apollo-server-and-client-auth/pages/signup.js b/examples/api-routes-apollo-server-and-client-auth/pages/signup.js
index 70db989347a4f..ce16f159e4c94 100644
--- a/examples/api-routes-apollo-server-and-client-auth/pages/signup.js
+++ b/examples/api-routes-apollo-server-and-client-auth/pages/signup.js
@@ -1,8 +1,7 @@
 import { useState } from 'react'
 import { useRouter } from 'next/router'
 import Link from 'next/link'
-import gql from 'graphql-tag'
-import { useMutation } from '@apollo/react-hooks'
+import { gql, useMutation } from '@apollo/client'
 import { getErrorMessage } from '../lib/form'
 import Field from '../components/field'
 

From d3955cdf514e7d5032d5929e551796106ede21c7 Mon Sep 17 00:00:00 2001
From: Kaic Bastidas <tcK1@users.noreply.github.com>
Date: Sat, 25 Jul 2020 22:36:36 -0300
Subject: [PATCH 10/90] TypeScript documentation for _document.tsx (#15386)

- Update the [Custom Document page](https://nextjs.org/docs/advanced-features/custom-document) to include an example using `DocumentContext`.
---
 docs/advanced-features/custom-document.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/docs/advanced-features/custom-document.md b/docs/advanced-features/custom-document.md
index a3e02877b2988..1e1605044fcb9 100644
--- a/docs/advanced-features/custom-document.md
+++ b/docs/advanced-features/custom-document.md
@@ -85,3 +85,21 @@ class MyDocument extends Document {
 
 export default MyDocument
 ```
+
+## TypeScript
+
+You can use the built-in `DocumentContext` type and change the file name to `./pages/_document.tsx` like so:
+
+```tsx
+import Document, { DocumentContext } from 'next/document'
+
+class MyDocument extends Document {
+  static async getInitialProps(ctx: DocumentContext) {
+    const initialProps = await Document.getInitialProps(ctx)
+
+    return initialProps
+  }
+}
+
+export default MyDocument
+```

From 2f50f1f8c948b5766a783adfba5e05d129deb624 Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Sun, 26 Jul 2020 06:57:06 +0200
Subject: [PATCH 11/90] Stabilize more tests (#15470)

jest retries seem to be masking test failures, like the `auto-export` one (and maybe others). I turned it off for now. The `auto-export` test fails when retries are turned off.
the output of this test failure was a bit unhelpful so I also improved it.
Many tests have anonymous page functions.
---
 package.json                                  |  4 +-
 run-tests.js                                  |  2 +-
 test/integration/amphtml/pages/only-amp.js    | 12 ++-
 .../auto-export/pages/[post]/[cmnt].js        |  6 +-
 .../auto-export/pages/[post]/index.js         |  2 +-
 .../auto-export/test/index.test.js            |  5 +-
 test/integration/build-indicator/pages/a.js   |  4 +-
 test/integration/build-indicator/pages/b.js   |  4 +-
 .../build-indicator/pages/index.js            | 22 +++--
 .../test/index.test.js                        | 38 +++----
 .../error-in-error/test/index.test.js         |  2 +-
 test/integration/invalid-href/pages/third.js  |  2 +-
 .../invalid-href/test/index.test.js           | 23 ++---
 .../query-with-encoding/test/index.test.js    | 76 +++++---------
 .../scroll-back-restoration/pages/another.js  | 18 ++--
 .../serverless-runtime-configs/pages/_app.js  | 14 +--
 test/lib/wd-chain.js                          |  8 ++
 yarn.lock                                     | 98 ++++++++++---------
 18 files changed, 167 insertions(+), 173 deletions(-)

diff --git a/package.json b/package.json
index 661cb0b35b35d..0e6df064ec978 100644
--- a/package.json
+++ b/package.json
@@ -112,8 +112,8 @@
     "release": "6.0.1",
     "request-promise-core": "1.1.2",
     "rimraf": "2.6.3",
-    "selenium-standalone": "6.17.0",
-    "selenium-webdriver": "4.0.0-alpha.5",
+    "selenium-standalone": "6.18.0",
+    "selenium-webdriver": "4.0.0-alpha.7",
     "shell-quote": "1.7.2",
     "styled-components": "5.1.0",
     "styled-jsx-plugin-postcss": "2.0.1",
diff --git a/run-tests.js b/run-tests.js
index 5dd3964ab57cd..c37091b807d66 100644
--- a/run-tests.js
+++ b/run-tests.js
@@ -136,7 +136,7 @@ const TIMINGS_API = `https://next-timings.jjsweb.site/api/timings`
         {
           stdio: 'inherit',
           env: {
-            JEST_RETRY_TIMES: 2,
+            JEST_RETRY_TIMES: 0,
             ...process.env,
             ...(isAzure
               ? {
diff --git a/test/integration/amphtml/pages/only-amp.js b/test/integration/amphtml/pages/only-amp.js
index 653dbecd541d5..41866b35c52c3 100644
--- a/test/integration/amphtml/pages/only-amp.js
+++ b/test/integration/amphtml/pages/only-amp.js
@@ -1,7 +1,9 @@
 export const config = { amp: true }
 
-export default () => (
-  <div>
-    <p id="only-amp">Only AMP for me...</p>
-  </div>
-)
+export default function Page() {
+  return (
+    <div>
+      <p id="only-amp">Only AMP for me...</p>
+    </div>
+  )
+}
diff --git a/test/integration/auto-export/pages/[post]/[cmnt].js b/test/integration/auto-export/pages/[post]/[cmnt].js
index 6c7af1c61ca1a..0982164d25db0 100644
--- a/test/integration/auto-export/pages/[post]/[cmnt].js
+++ b/test/integration/auto-export/pages/[post]/[cmnt].js
@@ -5,17 +5,17 @@ if (typeof window !== 'undefined') {
   const origWarn = window.console.warn
   const origError = window.console.error
   window.console.warn = function (...args) {
-    window.caughtWarns.push(1)
+    window.caughtWarns.push(args)
     origWarn(...args)
   }
   window.console.error = function (...args) {
-    window.caughtWarns.push(1)
+    window.caughtWarns.push(args)
     origError(...args)
   }
   window.pathnames = []
 }
 
-export default () => {
+export default function Page() {
   if (typeof window !== 'undefined') {
     window.pathnames.push(window.location.pathname)
   }
diff --git a/test/integration/auto-export/pages/[post]/index.js b/test/integration/auto-export/pages/[post]/index.js
index 94492b467fa51..f3aee05d5bb12 100644
--- a/test/integration/auto-export/pages/[post]/index.js
+++ b/test/integration/auto-export/pages/[post]/index.js
@@ -1,6 +1,6 @@
 import { useRouter } from 'next/router'
 
-export default () => {
+export default function Page() {
   const { query } = useRouter()
 
   return <p>post: {query.post}</p>
diff --git a/test/integration/auto-export/test/index.test.js b/test/integration/auto-export/test/index.test.js
index 6407b174dbc2e..edaff678a19d5 100644
--- a/test/integration/auto-export/test/index.test.js
+++ b/test/integration/auto-export/test/index.test.js
@@ -81,9 +81,8 @@ describe('Auto Export', () => {
 
     it('should not show hydration warning from mismatching asPath', async () => {
       const browser = await webdriver(appPort, '/zeit/cmnt-1')
-
-      const numCaught = await browser.eval(`window.caughtWarns.length`)
-      expect(numCaught).toBe(0)
+      const caughtWarns = await browser.eval(`window.caughtWarns`)
+      expect(caughtWarns).toEqual([])
     })
   })
 })
diff --git a/test/integration/build-indicator/pages/a.js b/test/integration/build-indicator/pages/a.js
index f87a684893418..45361f18d6af3 100644
--- a/test/integration/build-indicator/pages/a.js
+++ b/test/integration/build-indicator/pages/a.js
@@ -1 +1,3 @@
-export default () => <p>Hello from a</p>
+export default function Page() {
+  return <p>Hello from a</p>
+}
diff --git a/test/integration/build-indicator/pages/b.js b/test/integration/build-indicator/pages/b.js
index 6226f2d97f20a..fb38aab0d4496 100644
--- a/test/integration/build-indicator/pages/b.js
+++ b/test/integration/build-indicator/pages/b.js
@@ -1 +1,3 @@
-export default () => <p>Hello from b</p>
+export default function Page() {
+  return <p>Hello from b</p>
+}
diff --git a/test/integration/build-indicator/pages/index.js b/test/integration/build-indicator/pages/index.js
index 9f630e36e417e..b810ac290b56c 100644
--- a/test/integration/build-indicator/pages/index.js
+++ b/test/integration/build-indicator/pages/index.js
@@ -1,12 +1,14 @@
 import Link from 'next/link'
 
-export default () => (
-  <>
-    <Link href="/a">
-      <a id="to-a">Go to a</a>
-    </Link>
-    <Link href="/b">
-      <a id="to-b">Go to b</a>
-    </Link>
-  </>
-)
+export default function Page() {
+  return (
+    <>
+      <Link href="/a">
+        <a id="to-a">Go to a</a>
+      </Link>
+      <Link href="/b">
+        <a id="to-b">Go to b</a>
+      </Link>
+    </>
+  )
+}
diff --git a/test/integration/dynamic-optional-routing/test/index.test.js b/test/integration/dynamic-optional-routing/test/index.test.js
index 90dcb70c9e138..c17bd9168bf55 100644
--- a/test/integration/dynamic-optional-routing/test/index.test.js
+++ b/test/integration/dynamic-optional-routing/test/index.test.js
@@ -10,7 +10,7 @@ import {
   nextBuild,
   nextStart,
   renderViaHTTP,
-  waitFor,
+  check,
 } from 'next-test-utils'
 import { join } from 'path'
 
@@ -18,6 +18,7 @@ jest.setTimeout(1000 * 60 * 2)
 
 let app
 let appPort
+let stderr
 const appDir = join(__dirname, '../')
 
 const DUMMY_PAGE = 'export default () => null'
@@ -187,9 +188,10 @@ function runInvalidPagesTests(buildFn) {
     const invalidRoute = appDir + 'pages/index.js'
     try {
       await fs.outputFile(invalidRoute, DUMMY_PAGE, 'utf-8')
-      const { stderr } = await buildFn(appDir)
-      await expect(stderr).toMatch(
-        'You cannot define a route with the same specificity as a optional catch-all route'
+      await buildFn(appDir)
+      await check(
+        () => stderr,
+        /You cannot define a route with the same specificity as a optional catch-all route/
       )
     } finally {
       await fs.unlink(invalidRoute)
@@ -200,9 +202,10 @@ function runInvalidPagesTests(buildFn) {
     const invalidRoute = appDir + 'pages/nested.js'
     try {
       await fs.outputFile(invalidRoute, DUMMY_PAGE, 'utf-8')
-      const { stderr } = await buildFn(appDir)
-      await expect(stderr).toMatch(
-        'You cannot define a route with the same specificity as a optional catch-all route'
+      await buildFn(appDir)
+      await check(
+        () => stderr,
+        /You cannot define a route with the same specificity as a optional catch-all route/
       )
     } finally {
       await fs.unlink(invalidRoute)
@@ -213,8 +216,8 @@ function runInvalidPagesTests(buildFn) {
     const invalidRoute = appDir + 'pages/nested/[...param].js'
     try {
       await fs.outputFile(invalidRoute, DUMMY_PAGE, 'utf-8')
-      const { stderr } = await buildFn(appDir)
-      await expect(stderr).toMatch(/You cannot use both .+ at the same level/)
+      await buildFn(appDir)
+      await check(() => stderr, /You cannot use both .+ at the same level/)
     } finally {
       await fs.unlink(invalidRoute)
     }
@@ -224,9 +227,10 @@ function runInvalidPagesTests(buildFn) {
     const invalidRoute = appDir + 'pages/invalid/[[param]].js'
     try {
       await fs.outputFile(invalidRoute, DUMMY_PAGE, 'utf-8')
-      const { stderr } = await buildFn(appDir)
-      await expect(stderr).toMatch(
-        'Optional route parameters are not yet supported'
+      await buildFn(appDir)
+      await check(
+        () => stderr,
+        /Optional route parameters are not yet supported/
       )
     } finally {
       await fs.unlink(invalidRoute)
@@ -245,14 +249,12 @@ describe('Dynamic Optional Routing', () => {
     runTests()
 
     runInvalidPagesTests(async (appDir) => {
-      let stderr = ''
+      stderr = ''
       await launchApp(appDir, await findPort(), {
         onStderr: (msg) => {
           stderr += msg
         },
       })
-      await waitFor(1000)
-      return { stderr }
     })
   })
 
@@ -272,9 +274,9 @@ describe('Dynamic Optional Routing', () => {
 
     runTests()
 
-    runInvalidPagesTests(async (appDir) =>
-      nextBuild(appDir, [], { stderr: true })
-    )
+    runInvalidPagesTests(async (appDir) => {
+      ;({ stderr } = await nextBuild(appDir, [], { stderr: true }))
+    })
 
     it('should fail to build when param is not explicitly defined', async () => {
       const invalidRoute = appDir + 'pages/invalid/[[...slug]].js'
diff --git a/test/integration/error-in-error/test/index.test.js b/test/integration/error-in-error/test/index.test.js
index 2b4bee2991071..4443aec17bc33 100644
--- a/test/integration/error-in-error/test/index.test.js
+++ b/test/integration/error-in-error/test/index.test.js
@@ -31,7 +31,7 @@ describe('Handles an Error in _error', () => {
 
   it('Handles error during client transition', async () => {
     const browser = await webdriver(port, '/')
-    await browser.elementByCss('a').click()
+    await browser.waitForElementByCss('a').click()
     await waitFor(1000)
     const html = await browser.eval('document.body.innerHTML')
     expect(html).toMatch(/internal server error/i)
diff --git a/test/integration/invalid-href/pages/third.js b/test/integration/invalid-href/pages/third.js
index 12daa43427166..509367eab393d 100644
--- a/test/integration/invalid-href/pages/third.js
+++ b/test/integration/invalid-href/pages/third.js
@@ -3,7 +3,7 @@ import { useState } from 'react'
 
 const invalidLink = 'https://vercel.com/'
 
-export default () => {
+export default function Page() {
   const { query, ...router } = useRouter()
   const [isDone, setIsDone] = useState(false)
   const { method = 'push' } = query
diff --git a/test/integration/invalid-href/test/index.test.js b/test/integration/invalid-href/test/index.test.js
index b612671d88a38..cb95ed64945cd 100644
--- a/test/integration/invalid-href/test/index.test.js
+++ b/test/integration/invalid-href/test/index.test.js
@@ -30,24 +30,18 @@ jest.retryTimes(0)
 const showsError = async (pathname, regex, click = false, isWarn = false) => {
   const browser = await webdriver(appPort, pathname)
   try {
+    // wait for page to be built and navigated to
+    await browser.waitForElementByCss('#click-me')
     if (isWarn) {
       await browser.eval(`(function() {
         window.warnLogs = []
         var origWarn = window.console.warn
-        window.console.warn = function() {
-          var warnStr = ''
-          for (var i = 0; i < arguments.length; i++) {
-            if (i > 0) warnStr += ' ';
-            warnStr += arguments[i]
-          }
-          window.warnLogs.push(warnStr)
-          origWarn.apply(undefined, arguments)
+        window.console.warn = (...args) => {
+          window.warnLogs.push(args.join(' '))
+          origWarn.apply(window.console, args)
         }
       })()`)
     }
-    // wait for page to be built and navigated to
-    await waitFor(3000)
-    await browser.waitForElementByCss('#click-me')
     if (click) {
       await browser.elementByCss('#click-me').click()
       await waitFor(500)
@@ -70,6 +64,11 @@ const showsError = async (pathname, regex, click = false, isWarn = false) => {
 const noError = async (pathname, click = false) => {
   const browser = await webdriver(appPort, '/')
   try {
+    await check(async () => {
+      const appReady = await browser.eval('!!window.next.router')
+      console.log('app ready: ', appReady)
+      return appReady ? 'ready' : 'nope'
+    }, 'ready')
     await browser.eval(`(function() {
       window.caughtErrors = []
       window.addEventListener('error', function (error) {
@@ -80,8 +79,6 @@ const noError = async (pathname, click = false) => {
       })
       window.next.router.replace('${pathname}')
     })()`)
-    // wait for page to be built and navigated to
-    await waitFor(3000)
     await browser.waitForElementByCss('#click-me')
     if (click) {
       await browser.elementByCss('#click-me').click()
diff --git a/test/integration/query-with-encoding/test/index.test.js b/test/integration/query-with-encoding/test/index.test.js
index 237a054c152a1..3b25cc0e53016 100644
--- a/test/integration/query-with-encoding/test/index.test.js
+++ b/test/integration/query-with-encoding/test/index.test.js
@@ -1,12 +1,6 @@
 /* eslint-env jest */
 
-import {
-  nextBuild,
-  nextServer,
-  startApp,
-  stopApp,
-  waitFor,
-} from 'next-test-utils'
+import { nextBuild, nextServer, startApp, stopApp } from 'next-test-utils'
 import webdriver from 'next-webdriver'
 import { join } from 'path'
 
@@ -46,12 +40,11 @@ describe('Query String with Encoding', () => {
     it('should have correct query on Router#push', async () => {
       const browser = await webdriver(appPort, '/')
       try {
-        await waitFor(2000)
+        await browser.waitForCondition('!!window.next.router')
         await browser.eval(
           `window.next.router.push({pathname:'/',query:{abc:'def\\n'}})`
         )
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"abc":"def\\n"}')
       } finally {
         await browser.close()
@@ -61,10 +54,8 @@ describe('Query String with Encoding', () => {
     it('should have correct query on simple client-side <Link>', async () => {
       const browser = await webdriver(appPort, '/newline')
       try {
-        await waitFor(2000)
-        await browser.elementByCss('#hello-lf').click()
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        await browser.waitForElementByCss('#hello-lf').click()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"another":"hello\\n"}')
       } finally {
         await browser.close()
@@ -74,10 +65,8 @@ describe('Query String with Encoding', () => {
     it('should have correct query on complex client-side <Link>', async () => {
       const browser = await webdriver(appPort, '/newline')
       try {
-        await waitFor(2000)
-        await browser.elementByCss('#hello-complex').click()
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        await browser.waitForElementByCss('#hello-complex').click()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"complex":"yes\\n"}')
       } finally {
         await browser.close()
@@ -99,12 +88,11 @@ describe('Query String with Encoding', () => {
     it('should have correct query on Router#push', async () => {
       const browser = await webdriver(appPort, '/')
       try {
-        await waitFor(2000)
+        await browser.waitForCondition('!!window.next.router')
         await browser.eval(
           `window.next.router.push({pathname:'/',query:{abc:'def '}})`
         )
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"abc":"def "}')
       } finally {
         await browser.close()
@@ -114,10 +102,8 @@ describe('Query String with Encoding', () => {
     it('should have correct query on simple client-side <Link>', async () => {
       const browser = await webdriver(appPort, '/space')
       try {
-        await waitFor(2000)
-        await browser.elementByCss('#hello-space').click()
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        await browser.waitForElementByCss('#hello-space').click()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"another":"hello "}')
       } finally {
         await browser.close()
@@ -127,10 +113,8 @@ describe('Query String with Encoding', () => {
     it('should have correct query on complex client-side <Link>', async () => {
       const browser = await webdriver(appPort, '/space')
       try {
-        await waitFor(2000)
-        await browser.elementByCss('#hello-complex').click()
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        await browser.waitForElementByCss('#hello-complex').click()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"complex":"yes "}')
       } finally {
         await browser.close()
@@ -152,12 +136,11 @@ describe('Query String with Encoding', () => {
     it('should have correct query on Router#push', async () => {
       const browser = await webdriver(appPort, '/')
       try {
-        await waitFor(2000)
+        await browser.waitForCondition('!!window.next.router')
         await browser.eval(
           `window.next.router.push({pathname:'/',query:{abc:'def%'}})`
         )
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"abc":"def%"}')
       } finally {
         await browser.close()
@@ -167,10 +150,8 @@ describe('Query String with Encoding', () => {
     it('should have correct query on simple client-side <Link>', async () => {
       const browser = await webdriver(appPort, '/percent')
       try {
-        await waitFor(2000)
-        await browser.elementByCss('#hello-percent').click()
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        await browser.waitForElementByCss('#hello-percent').click()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"another":"hello%"}')
       } finally {
         await browser.close()
@@ -180,10 +161,8 @@ describe('Query String with Encoding', () => {
     it('should have correct query on complex client-side <Link>', async () => {
       const browser = await webdriver(appPort, '/percent')
       try {
-        await waitFor(2000)
-        await browser.elementByCss('#hello-complex').click()
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        await browser.waitForElementByCss('#hello-complex').click()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"complex":"yes%"}')
       } finally {
         await browser.close()
@@ -205,12 +184,11 @@ describe('Query String with Encoding', () => {
     it('should have correct query on Router#push', async () => {
       const browser = await webdriver(appPort, '/')
       try {
-        await waitFor(2000)
+        await browser.waitForCondition('!!window.next.router')
         await browser.eval(
           `window.next.router.push({pathname:'/',query:{abc:'def+'}})`
         )
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"abc":"def+"}')
       } finally {
         await browser.close()
@@ -220,10 +198,8 @@ describe('Query String with Encoding', () => {
     it('should have correct query on simple client-side <Link>', async () => {
       const browser = await webdriver(appPort, '/plus')
       try {
-        await waitFor(2000)
-        await browser.elementByCss('#hello-plus').click()
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        await browser.waitForElementByCss('#hello-plus').click()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"another":"hello+"}')
       } finally {
         await browser.close()
@@ -233,10 +209,8 @@ describe('Query String with Encoding', () => {
     it('should have correct query on complex client-side <Link>', async () => {
       const browser = await webdriver(appPort, '/plus')
       try {
-        await waitFor(2000)
-        await browser.elementByCss('#hello-complex').click()
-        await waitFor(1000)
-        const text = await browser.elementByCss('#query-content').text()
+        await browser.waitForElementByCss('#hello-complex').click()
+        const text = await browser.waitForElementByCss('#query-content').text()
         expect(text).toBe('{"complex":"yes+"}')
       } finally {
         await browser.close()
diff --git a/test/integration/scroll-back-restoration/pages/another.js b/test/integration/scroll-back-restoration/pages/another.js
index a37308e7d8779..340b4403e3d80 100644
--- a/test/integration/scroll-back-restoration/pages/another.js
+++ b/test/integration/scroll-back-restoration/pages/another.js
@@ -1,10 +1,12 @@
 import Link from 'next/link'
 
-export default () => (
-  <>
-    <p id="another">hi from another</p>
-    <Link href="/">
-      <a id="to-index">to index</a>
-    </Link>
-  </>
-)
+export default function Page() {
+  return (
+    <>
+      <p id="another">hi from another</p>
+      <Link href="/">
+        <a id="to-index">to index</a>
+      </Link>
+    </>
+  )
+}
diff --git a/test/integration/serverless-runtime-configs/pages/_app.js b/test/integration/serverless-runtime-configs/pages/_app.js
index 9d7f9f03f9d3b..de64911781767 100644
--- a/test/integration/serverless-runtime-configs/pages/_app.js
+++ b/test/integration/serverless-runtime-configs/pages/_app.js
@@ -2,9 +2,11 @@ import getConfig from 'next/config'
 
 const config = getConfig()
 
-export default ({ Component, pageProps }) => (
-  <>
-    <p id="app-config">{JSON.stringify(config)}</p>
-    <Component {...pageProps} />
-  </>
-)
+export default function App({ Component, pageProps }) {
+  return (
+    <>
+      <p id="app-config">{JSON.stringify(config)}</p>
+      <Component {...pageProps} />
+    </>
+  )
+}
diff --git a/test/lib/wd-chain.js b/test/lib/wd-chain.js
index fc807464183a7..af562bf313771 100644
--- a/test/lib/wd-chain.js
+++ b/test/lib/wd-chain.js
@@ -92,6 +92,14 @@ export default class Chain {
     )
   }
 
+  waitForCondition(condition) {
+    return this.updateChain(() =>
+      this.browser.wait(async (driver) => {
+        return driver.executeScript('return ' + condition).catch(() => false)
+      })
+    )
+  }
+
   eval(snippet) {
     if (typeof snippet === 'string' && !snippet.startsWith('return')) {
       snippet = `return ${snippet}`
diff --git a/yarn.lock b/yarn.lock
index fa0589cc1b5e3..8668aa6810881 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3917,19 +3917,21 @@ bindings@^1.5.0:
   dependencies:
     file-uri-to-path "1.0.0"
 
-bl@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/bl/-/bl-2.2.0.tgz#e1a574cdf528e4053019bb800b041c0ac88da493"
-  dependencies:
-    readable-stream "^2.3.5"
-    safe-buffer "^5.1.1"
-
 bl@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/bl/-/bl-3.0.0.tgz#3611ec00579fd18561754360b21e9f784500ff88"
   dependencies:
     readable-stream "^3.0.1"
 
+bl@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-4.0.2.tgz#52b71e9088515d0606d9dd9cc7aa48dc1f98e73a"
+  integrity sha512-j4OH8f6Qg2bGuWfRiltT2HYGx0e1QcBTrK9KAHNMwMZdQnDZFk0ZSYIpADjYCB3U12nicC5tVJwSIhwOWjb4RQ==
+  dependencies:
+    buffer "^5.5.0"
+    inherits "^2.0.4"
+    readable-stream "^3.4.0"
+
 block-stream@*:
   version "0.0.9"
   resolved "https://registry.yarnpkg.com/block-stream/-/block-stream-0.0.9.tgz#13ebfe778a03205cfe03751481ebb4b3300c126a"
@@ -4177,6 +4179,14 @@ buffer@^4.3.0:
     ieee754 "^1.1.4"
     isarray "^1.0.0"
 
+buffer@^5.5.0:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.6.0.tgz#a31749dc7d81d84db08abf937b6b8c4033f62786"
+  integrity sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+
 builtin-modules@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-3.1.0.tgz#aad97c15131eb76b65b50ef208e7584cd76a7484"
@@ -9509,9 +9519,10 @@ jsx-ast-utils@^2.2.3:
     array-includes "^3.0.3"
     object.assign "^4.1.0"
 
-jszip@^3.1.5:
-  version "3.2.2"
-  resolved "https://registry.yarnpkg.com/jszip/-/jszip-3.2.2.tgz#b143816df7e106a9597a94c77493385adca5bd1d"
+jszip@^3.2.2:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/jszip/-/jszip-3.5.0.tgz#b4fd1f368245346658e781fec9675802489e15f6"
+  integrity sha512-WRtu7TPCmYePR1nazfrtuF216cIVon/3GWOvHS9QR5bIwSbnxtdpma6un3jyGGNhHsKCSzn5Ypk+EkDRvTGiFA==
   dependencies:
     lie "~3.3.0"
     pako "~1.0.2"
@@ -13267,7 +13278,7 @@ read@1, read@~1.0.1:
     string_decoder "^1.1.1"
     util-deprecate "^1.0.1"
 
-readable-stream@^3.6.0:
+readable-stream@^3.4.0, readable-stream@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
   integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
@@ -13638,9 +13649,9 @@ request@2.85.0:
     tunnel-agent "^0.6.0"
     uuid "^3.1.0"
 
-request@2.88.0, request@^2.86.0, request@^2.87.0, request@^2.88.0:
-  version "2.88.0"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
+request@2.88.2, request@^2.88.2:
+  version "2.88.2"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.88.2.tgz#d73c918731cb5a87da047e207234146f664d12b3"
   dependencies:
     aws-sign2 "~0.7.0"
     aws4 "^1.8.0"
@@ -13649,7 +13660,7 @@ request@2.88.0, request@^2.86.0, request@^2.87.0, request@^2.88.0:
     extend "~3.0.2"
     forever-agent "~0.6.1"
     form-data "~2.3.2"
-    har-validator "~5.1.0"
+    har-validator "~5.1.3"
     http-signature "~1.2.0"
     is-typedarray "~1.0.0"
     isstream "~0.1.2"
@@ -13659,13 +13670,13 @@ request@2.88.0, request@^2.86.0, request@^2.87.0, request@^2.88.0:
     performance-now "^2.1.0"
     qs "~6.5.2"
     safe-buffer "^5.1.2"
-    tough-cookie "~2.4.3"
+    tough-cookie "~2.5.0"
     tunnel-agent "^0.6.0"
     uuid "^3.3.2"
 
-request@^2.88.2:
-  version "2.88.2"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.88.2.tgz#d73c918731cb5a87da047e207234146f664d12b3"
+request@^2.86.0, request@^2.87.0, request@^2.88.0:
+  version "2.88.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
   dependencies:
     aws-sign2 "~0.7.0"
     aws4 "^1.8.0"
@@ -13674,7 +13685,7 @@ request@^2.88.2:
     extend "~3.0.2"
     forever-agent "~0.6.1"
     form-data "~2.3.2"
-    har-validator "~5.1.3"
+    har-validator "~5.1.0"
     http-signature "~1.2.0"
     is-typedarray "~1.0.0"
     isstream "~0.1.2"
@@ -13684,7 +13695,7 @@ request@^2.88.2:
     performance-now "^2.1.0"
     qs "~6.5.2"
     safe-buffer "^5.1.2"
-    tough-cookie "~2.5.0"
+    tough-cookie "~2.4.3"
     tunnel-agent "^0.6.0"
     uuid "^3.3.2"
 
@@ -14122,7 +14133,7 @@ sass-loader@8.0.2:
     schema-utils "^2.6.1"
     semver "^6.3.0"
 
-sax@>=0.6.0, sax@^1.2.4, sax@~1.2.1, sax@~1.2.4:
+sax@^1.2.4, sax@~1.2.1, sax@~1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
@@ -14169,9 +14180,10 @@ scss-tokenizer@^0.2.3:
     js-base64 "^2.1.8"
     source-map "^0.4.2"
 
-selenium-standalone@6.17.0:
-  version "6.17.0"
-  resolved "https://registry.yarnpkg.com/selenium-standalone/-/selenium-standalone-6.17.0.tgz#0f24b691836205ee9bc3d7a6f207ebcb28170cd9"
+selenium-standalone@6.18.0:
+  version "6.18.0"
+  resolved "https://registry.yarnpkg.com/selenium-standalone/-/selenium-standalone-6.18.0.tgz#011e0672b1b86893f77244a86ddea1b6baadfb87"
+  integrity sha512-JfuJZoPPhnRuOXPM60wElwzzf3f92VkHa/W1f0QLBxSMKy6K/CTICfPo75aSro8X5wf6pa2npjD/CQmZjUqsoA==
   dependencies:
     async "^2.6.2"
     commander "^2.19.0"
@@ -14181,20 +14193,20 @@ selenium-standalone@6.17.0:
     minimist "^1.2.0"
     mkdirp "^0.5.1"
     progress "2.0.3"
-    request "2.88.0"
-    tar-stream "2.0.0"
+    request "2.88.2"
+    tar-stream "2.1.3"
     urijs "^1.19.1"
     which "^1.3.1"
     yauzl "^2.10.0"
 
-selenium-webdriver@4.0.0-alpha.5:
-  version "4.0.0-alpha.5"
-  resolved "https://registry.yarnpkg.com/selenium-webdriver/-/selenium-webdriver-4.0.0-alpha.5.tgz#e4683b3dbf827d70df09a7e43bf02ebad20fa7c1"
+selenium-webdriver@4.0.0-alpha.7:
+  version "4.0.0-alpha.7"
+  resolved "https://registry.yarnpkg.com/selenium-webdriver/-/selenium-webdriver-4.0.0-alpha.7.tgz#e3879d8457fd7ad8e4424094b7dc0540d99e6797"
+  integrity sha512-D4qnTsyTr91jT8f7MfN+OwY0IlU5+5FmlO5xlgRUV6hDEV8JyYx2NerdTEqDDkNq7RZDYc4VoPALk8l578RBHw==
   dependencies:
-    jszip "^3.1.5"
-    rimraf "^2.6.3"
+    jszip "^3.2.2"
+    rimraf "^2.7.1"
     tmp "0.0.30"
-    xml2js "^0.4.19"
 
 semver-compare@^1.0.0:
   version "1.0.0"
@@ -15087,11 +15099,12 @@ tar-fs@^2.0.0:
     pump "^3.0.0"
     tar-stream "^2.0.0"
 
-tar-stream@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-2.0.0.tgz#8829bbf83067bc0288a9089db49c56be395b6aea"
+tar-stream@2.1.3:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-2.1.3.tgz#1e2022559221b7866161660f118255e20fa79e41"
+  integrity sha512-Z9yri56Dih8IaK8gncVPx4Wqt86NDmQTSh49XLZgjWpGZL9GK9HKParS2scqHCC4w6X9Gh2jwaU45V47XTKwVA==
   dependencies:
-    bl "^2.2.0"
+    bl "^4.0.1"
     end-of-stream "^1.4.1"
     fs-constants "^1.0.0"
     inherits "^2.0.3"
@@ -16325,17 +16338,6 @@ xml-name-validator@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-3.0.0.tgz#6ae73e06de4d8c6e47f9fb181f78d648ad457c6a"
 
-xml2js@^0.4.19:
-  version "0.4.23"
-  resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.23.tgz#a0c69516752421eb2ac758ee4d4ccf58843eac66"
-  dependencies:
-    sax ">=0.6.0"
-    xmlbuilder "~11.0.0"
-
-xmlbuilder@~11.0.0:
-  version "11.0.1"
-  resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-11.0.1.tgz#be9bae1c8a046e76b31127726347d0ad7002beb3"
-
 xmlchars@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/xmlchars/-/xmlchars-2.2.0.tgz#060fe1bcb7f9c76fe2a17db86a9bc3ab894210cb"

From f98e38c9b634b85e6679e7b5f953a9d98074cfc3 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <tim@timneutkens.nl>
Date: Sun, 26 Jul 2020 16:51:11 +0200
Subject: [PATCH 12/90] Add static tweet link (#15493)

---
 docs/basic-features/data-fetching.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/docs/basic-features/data-fetching.md b/docs/basic-features/data-fetching.md
index 887a3a1e94839..b09a724798835 100644
--- a/docs/basic-features/data-fetching.md
+++ b/docs/basic-features/data-fetching.md
@@ -326,6 +326,13 @@ export default Post
 
 #### `fallback: true`
 
+<details>
+  <summary><b>Examples</b></summary>
+  <ul>
+    <li><a href="https://static-tweet.now.sh">Static generation of a large number of pages</a></li>
+  </ul>
+</details>
+
 If `fallback` is `true`, then the behavior of `getStaticProps` changes:
 
 - The paths returned from `getStaticPaths` will be rendered to HTML at build time.

From e837c2253db07124ccc5c8cd79070d3c05fba824 Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Sun, 26 Jul 2020 23:56:36 -0400
Subject: [PATCH 13/90] Upgrade cssnano-simple dependency (#15488)

---
 packages/next/package.json                    |  2 +-
 .../css-customization/test/index.test.js      | 10 ++--
 .../css-features/test/index.test.js           |  2 +-
 .../next-issue-15468/pages/_app.js            | 12 +++++
 .../next-issue-15468/pages/index.js           |  8 ++++
 .../next-issue-15468/styles/global.css        | 16 +++++++
 test/integration/css/test/index.test.js       | 48 +++++++++++++++++--
 test/integration/scss/test/index.test.js      |  8 ++--
 yarn.lock                                     | 18 +++----
 9 files changed, 100 insertions(+), 24 deletions(-)
 create mode 100644 test/integration/css-fixtures/next-issue-15468/pages/_app.js
 create mode 100644 test/integration/css-fixtures/next-issue-15468/pages/index.js
 create mode 100644 test/integration/css-fixtures/next-issue-15468/styles/global.css

diff --git a/packages/next/package.json b/packages/next/package.json
index 3004bc9753eba..b35b4f3d0d4bc 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -85,7 +85,7 @@
     "cacache": "13.0.1",
     "chokidar": "2.1.8",
     "css-loader": "3.5.3",
-    "cssnano-simple": "1.0.4",
+    "cssnano-simple": "1.0.5",
     "find-cache-dir": "3.3.1",
     "jest-worker": "24.9.0",
     "loader-utils": "2.0.0",
diff --git a/test/integration/css-customization/test/index.test.js b/test/integration/css-customization/test/index.test.js
index 91dadc829310e..015d5bfd20dcb 100644
--- a/test/integration/css-customization/test/index.test.js
+++ b/test/integration/css-customization/test/index.test.js
@@ -33,7 +33,7 @@ describe('CSS Customization', () => {
     expect(cssFiles.length).toBe(1)
     const cssContent = await readFile(join(cssFolder, cssFiles[0]), 'utf8')
     expect(cssContent.replace(/\/\*.*?\*\//g, '').trim()).toMatchInlineSnapshot(
-      `"@media (480px <= width < 768px){::placeholder{color:green}}.video{max-height:300px;max-width:400px}"`
+      `"@media (480px <= width < 768px){::placeholder{color:green}}.video{max-width:400px;max-height:300px}"`
     )
 
     // Contains a source map
@@ -54,7 +54,7 @@ describe('CSS Customization', () => {
     const { version, mappings, sourcesContent } = JSON.parse(cssMapContent)
     expect({ version, mappings, sourcesContent }).toMatchInlineSnapshot(`
       Object {
-        "mappings": "AACA,gCACE,cACE,WACF,CACF,CAGA,OACE,gBAA0B,CAA1B,eACF",
+        "mappings": "AACA,gCACE,cACE,WACF,CACF,CAGA,OACE,eAA0B,CAA1B,gBACF",
         "sourcesContent": Array [
           "/* this should pass through untransformed */
       @media (480px <= width < 768px) {
@@ -132,7 +132,7 @@ describe('CSS Customization Array', () => {
     expect(cssFiles.length).toBe(1)
     const cssContent = await readFile(join(cssFolder, cssFiles[0]), 'utf8')
     expect(cssContent.replace(/\/\*.*?\*\//g, '').trim()).toMatchInlineSnapshot(
-      `"@media (480px <= width < 768px){a:before{content:\\"\\"}::placeholder{color:green}}.video{max-height:4800px;max-height:300rem;max-width:6400px;max-width:400rem}"`
+      `"@media (480px <= width < 768px){a:before{content:\\"\\"}::placeholder{color:green}}.video{max-width:6400px;max-height:4800px;max-width:400rem;max-height:300rem}"`
     )
 
     // Contains a source map
@@ -153,7 +153,7 @@ describe('CSS Customization Array', () => {
     const { version, mappings, sourcesContent } = JSON.parse(cssMapContent)
     expect({ version, mappings, sourcesContent }).toMatchInlineSnapshot(`
       Object {
-        "mappings": "AACA,gCACE,SACE,UACF,CACA,cACE,WACF,CACF,CAGA,OACE,iBAA4B,CAA5B,iBAA4B,CAA5B,gBAA4B,CAA5B,gBACF",
+        "mappings": "AACA,gCACE,SACE,UACF,CACA,cACE,WACF,CACF,CAGA,OACE,gBAA4B,CAA5B,iBAA4B,CAA5B,gBAA4B,CAA5B,iBACF",
         "sourcesContent": Array [
           "/* this should pass through untransformed */
       @media (480px <= width < 768px) {
@@ -213,7 +213,7 @@ describe('Bad CSS Customization', () => {
     expect(cssFiles.length).toBe(1)
     const cssContent = await readFile(join(cssFolder, cssFiles[0]), 'utf8')
     expect(cssContent.replace(/\/\*.*?\*\//g, '').trim()).toMatchInlineSnapshot(
-      `".video{max-height:300px;max-width:400px}"`
+      `".video{max-width:400px;max-height:300px}"`
     )
 
     // Contains a source map
diff --git a/test/integration/css-features/test/index.test.js b/test/integration/css-features/test/index.test.js
index de03cfea945fe..2fc3055c4112e 100644
--- a/test/integration/css-features/test/index.test.js
+++ b/test/integration/css-features/test/index.test.js
@@ -35,7 +35,7 @@ describe('Browserslist: Old', () => {
     const cssContent = await readFile(join(cssFolder, cssFiles[0]), 'utf8')
 
     expect(cssContent.replace(/\/\*.*?\*\//g, '').trim()).toMatchInlineSnapshot(
-      `"a{clip:auto;grid-column-gap:normal;all:initial;-webkit-animation:none 0s ease 0s 1 normal none running;animation:none 0s ease 0s 1 normal none running;-webkit-backface-visibility:visible;backface-visibility:visible;background:transparent none repeat 0 0/auto auto padding-box border-box scroll;border:none;border-collapse:separate;-webkit-border-image:none;border-image:none;-webkit-border-radius:0;border-radius:0;border-spacing:0;bottom:auto;-webkit-box-shadow:none;box-shadow:none;-webkit-box-sizing:content-box;box-sizing:content-box;caption-side:top;clear:none;color:#000;column-fill:balance;-webkit-columns:auto;-webkit-column-count:auto;-webkit-column-fill:balance;-webkit-column-gap:normal;column-gap:normal;-webkit-column-rule:medium none currentColor;column-rule:medium none currentColor;-webkit-column-span:1;column-span:1;-webkit-column-width:auto;columns:auto;content:normal;counter-increment:none;counter-reset:none;cursor:auto;direction:ltr;display:inline;empty-cells:show;float:none;font-family:serif;-webkit-font-feature-settings:normal;font-feature-settings:normal;font-size:medium;font-stretch:normal;font-style:normal;font-variant:normal;font-weight:400;height:auto;-ms-hyphens:none;hyphens:none;left:auto;letter-spacing:normal;line-height:normal;list-style:disc none outside;margin:0;max-height:none;max-width:none;min-height:0;min-width:0;opacity:1;orphans:2;outline:medium none invert;overflow:visible;overflow-x:visible;overflow-y:visible;padding:0;page-break-after:auto;page-break-before:auto;page-break-inside:auto;-webkit-perspective:none;perspective:none;-webkit-perspective-origin:50% 50%;perspective-origin:50% 50%;position:static;right:auto;tab-size:8;table-layout:auto;text-align:left;text-align-last:auto;text-decoration:none;text-indent:0;text-shadow:none;text-transform:none;top:auto;-webkit-transform:none;transform:none;-webkit-transform-origin:50% 50% 0;transform-origin:50% 50% 0;-webkit-transform-style:flat;transform-style:flat;-webkit-transition:none 0s ease 0s;transition:none 0s ease 0s;unicode-bidi:normal;vertical-align:baseline;visibility:visible;white-space:normal;widows:2;width:auto;word-spacing:normal;z-index:auto}@media (-webkit-min-device-pixel-ratio:2),(min-resolution:2dppx){.image{background-image:url(data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)}}"`
+      `"a{-webkit-animation:none 0s ease 0s 1 normal none running;animation:none 0s ease 0s 1 normal none running;-webkit-backface-visibility:visible;backface-visibility:visible;background:transparent none repeat 0 0/auto auto padding-box border-box scroll;border:none;border-collapse:separate;-webkit-border-image:none;border-image:none;-webkit-border-radius:0;border-radius:0;border-spacing:0;bottom:auto;-webkit-box-shadow:none;box-shadow:none;-webkit-box-sizing:content-box;box-sizing:content-box;caption-side:top;clear:none;clip:auto;color:#000;-webkit-columns:auto;-webkit-column-count:auto;-webkit-column-fill:balance;column-fill:balance;grid-column-gap:normal;-webkit-column-gap:normal;column-gap:normal;-webkit-column-rule:medium none currentColor;column-rule:medium none currentColor;-webkit-column-span:1;column-span:1;-webkit-column-width:auto;columns:auto;content:normal;counter-increment:none;counter-reset:none;cursor:auto;direction:ltr;display:inline;empty-cells:show;float:none;font-family:serif;font-size:medium;font-style:normal;-webkit-font-feature-settings:normal;font-feature-settings:normal;font-variant:normal;font-weight:400;font-stretch:normal;line-height:normal;height:auto;-ms-hyphens:none;hyphens:none;left:auto;letter-spacing:normal;list-style:disc none outside;margin:0;max-height:none;max-width:none;min-height:0;min-width:0;opacity:1;orphans:2;outline:medium none invert;overflow:visible;overflow-x:visible;overflow-y:visible;padding:0;page-break-after:auto;page-break-before:auto;page-break-inside:auto;-webkit-perspective:none;perspective:none;-webkit-perspective-origin:50% 50%;perspective-origin:50% 50%;position:static;right:auto;tab-size:8;table-layout:auto;text-align:left;text-align-last:auto;text-decoration:none;text-indent:0;text-shadow:none;text-transform:none;top:auto;-webkit-transform:none;transform:none;-webkit-transform-origin:50% 50% 0;transform-origin:50% 50% 0;-webkit-transform-style:flat;transform-style:flat;-webkit-transition:none 0s ease 0s;transition:none 0s ease 0s;unicode-bidi:normal;vertical-align:baseline;visibility:visible;white-space:normal;widows:2;width:auto;word-spacing:normal;z-index:auto;all:initial}@media (-webkit-min-device-pixel-ratio:2),(min-resolution:2dppx){.image{background-image:url(data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)}}"`
     )
   })
 })
diff --git a/test/integration/css-fixtures/next-issue-15468/pages/_app.js b/test/integration/css-fixtures/next-issue-15468/pages/_app.js
new file mode 100644
index 0000000000000..e8acb08dfbe7f
--- /dev/null
+++ b/test/integration/css-fixtures/next-issue-15468/pages/_app.js
@@ -0,0 +1,12 @@
+import App from 'next/app'
+import React from 'react'
+import '../styles/global.css'
+
+class MyApp extends App {
+  render() {
+    const { Component, pageProps } = this.props
+    return <Component {...pageProps} />
+  }
+}
+
+export default MyApp
diff --git a/test/integration/css-fixtures/next-issue-15468/pages/index.js b/test/integration/css-fixtures/next-issue-15468/pages/index.js
new file mode 100644
index 0000000000000..4bcfb2a059744
--- /dev/null
+++ b/test/integration/css-fixtures/next-issue-15468/pages/index.js
@@ -0,0 +1,8 @@
+export default function Home() {
+  return (
+    <main>
+      <div className="test1">Hello</div>
+      <div className="test2">Hello</div>
+    </main>
+  )
+}
diff --git a/test/integration/css-fixtures/next-issue-15468/styles/global.css b/test/integration/css-fixtures/next-issue-15468/styles/global.css
new file mode 100644
index 0000000000000..b5dd37a902c21
--- /dev/null
+++ b/test/integration/css-fixtures/next-issue-15468/styles/global.css
@@ -0,0 +1,16 @@
+:root {
+  --blk: #000000;
+  --five: 5px;
+}
+
+.test1 {
+  border: 1px solid var(--blk);
+  border-radius: var(--five);
+  border-width: 0;
+}
+
+.test2 {
+  border: 0px solid var(--blk);
+  border-radius: var(--five);
+  border-width: 5px;
+}
diff --git a/test/integration/css/test/index.test.js b/test/integration/css/test/index.test.js
index 098057079228a..19c2d238e2dd5 100644
--- a/test/integration/css/test/index.test.js
+++ b/test/integration/css/test/index.test.js
@@ -132,7 +132,7 @@ describe('CSS Support', () => {
       expect(
         cssContent.replace(/\/\*.*?\*\//g, '').trim()
       ).toMatchInlineSnapshot(
-        `".red-text{color:purple;color:red;font-weight:bolder}.blue-text{color:orange;color:#00f;font-weight:bolder}"`
+        `".red-text{color:purple;font-weight:bolder;color:red}.blue-text{color:orange;font-weight:bolder;color:#00f}"`
       )
     })
   })
@@ -564,7 +564,7 @@ describe('CSS Support', () => {
       expect(cssFiles.length).toBe(1)
       const cssContent = await readFile(join(cssFolder, cssFiles[0]), 'utf8')
       expect(cssContent.replace(/\/\*.*?\*\//g, '').trim()).toMatch(
-        /^\.red-text\{background-image:url\(\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\);color:red\}\.blue-text\{background-image:url\(\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:orange;color:#00f;font-weight:bolder\}$/
+        /^\.red-text\{color:red;background-image:url\(\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\)\}\.blue-text\{color:orange;font-weight:bolder;background-image:url\(\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:#00f\}$/
       )
 
       const mediaFiles = await readdir(mediaFolder)
@@ -610,7 +610,7 @@ describe('CSS Support', () => {
       expect(cssFiles.length).toBe(1)
       const cssContent = await readFile(join(cssFolder, cssFiles[0]), 'utf8')
       expect(cssContent.replace(/\/\*.*?\*\//g, '').trim()).toMatch(
-        /^\.red-text\{background-image:url\(\/foo\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/foo\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\);color:red\}\.blue-text\{background-image:url\(\/foo\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:orange;color:#00f;font-weight:bolder\}$/
+        /^\.red-text\{color:red;background-image:url\(\/foo\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/foo\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\)\}\.blue-text\{color:orange;font-weight:bolder;background-image:url\(\/foo\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:#00f\}$/
       )
 
       const mediaFiles = await readdir(mediaFolder)
@@ -656,7 +656,7 @@ describe('CSS Support', () => {
       expect(cssFiles.length).toBe(1)
       const cssContent = await readFile(join(cssFolder, cssFiles[0]), 'utf8')
       expect(cssContent.replace(/\/\*.*?\*\//g, '').trim()).toMatch(
-        /^\.red-text\{background-image:url\(\/foo\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/foo\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\);color:red\}\.blue-text\{background-image:url\(\/foo\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:orange;color:#00f;font-weight:bolder\}$/
+        /^\.red-text\{color:red;background-image:url\(\/foo\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/foo\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\)\}\.blue-text\{color:orange;font-weight:bolder;background-image:url\(\/foo\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:#00f\}$/
       )
 
       const mediaFiles = await readdir(mediaFolder)
@@ -924,6 +924,46 @@ describe('CSS Support', () => {
     })
   })
 
+  // https://github.com/vercel/next.js/issues/15468
+  describe('CSS Property Ordering', () => {
+    const appDir = join(fixturesDir, 'next-issue-15468')
+
+    let appPort
+    let app
+    let stdout
+    let code
+    beforeAll(async () => {
+      await remove(join(appDir, '.next'))
+      ;({ code, stdout } = await nextBuild(appDir, [], {
+        stdout: true,
+      }))
+      appPort = await findPort()
+      app = await nextStart(appDir, appPort)
+    })
+    afterAll(async () => {
+      await killApp(app)
+    })
+
+    it('should have compiled successfully', () => {
+      expect(code).toBe(0)
+      expect(stdout).toMatch(/Compiled successfully/)
+    })
+
+    it('should have the border width (property ordering)', async () => {
+      const browser = await webdriver(appPort, '/')
+
+      const width1 = await browser.eval(
+        `window.getComputedStyle(document.querySelector('.test1')).borderWidth`
+      )
+      expect(width1).toMatchInlineSnapshot(`"0px"`)
+
+      const width2 = await browser.eval(
+        `window.getComputedStyle(document.querySelector('.test2')).borderWidth`
+      )
+      expect(width2).toMatchInlineSnapshot(`"5px"`)
+    })
+  })
+
   describe('Basic Tailwind CSS', () => {
     const appDir = join(fixturesDir, 'with-tailwindcss')
 
diff --git a/test/integration/scss/test/index.test.js b/test/integration/scss/test/index.test.js
index dc6d1e1fea481..1993f83d9b8a7 100644
--- a/test/integration/scss/test/index.test.js
+++ b/test/integration/scss/test/index.test.js
@@ -217,7 +217,7 @@ describe('SCSS Support', () => {
       expect(
         cssContent.replace(/\/\*.*?\*\//g, '').trim()
       ).toMatchInlineSnapshot(
-        `".red-text{color:purple;color:red;font-weight:bolder}.blue-text{color:orange;color:#00f;font-weight:bolder}"`
+        `".red-text{color:purple;font-weight:bolder;color:red}.blue-text{color:orange;font-weight:bolder;color:#00f}"`
       )
     })
   })
@@ -640,7 +640,7 @@ describe('SCSS Support', () => {
       expect(cssFiles.length).toBe(1)
       const cssContent = await readFile(join(cssFolder, cssFiles[0]), 'utf8')
       expect(cssContent.replace(/\/\*.*?\*\//g, '').trim()).toMatch(
-        /^\.red-text\{background-image:url\(\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\);color:red\}\.blue-text\{background-image:url\(\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:orange;color:#00f;font-weight:bolder\}$/
+        /^\.red-text\{color:red;background-image:url\(\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\)\}\.blue-text\{color:orange;font-weight:bolder;background-image:url\(\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:#00f\}$/
       )
 
       const mediaFiles = await readdir(mediaFolder)
@@ -686,7 +686,7 @@ describe('SCSS Support', () => {
       expect(cssFiles.length).toBe(1)
       const cssContent = await readFile(join(cssFolder, cssFiles[0]), 'utf8')
       expect(cssContent.replace(/\/\*.*?\*\//g, '').trim()).toMatch(
-        /^\.red-text\{background-image:url\(\/foo\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/foo\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\);color:red\}\.blue-text\{background-image:url\(\/foo\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:orange;color:#00f;font-weight:bolder\}$/
+        /^\.red-text\{color:red;background-image:url\(\/foo\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/foo\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\)\}\.blue-text\{color:orange;font-weight:bolder;background-image:url\(\/foo\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:#00f\}$/
       )
 
       const mediaFiles = await readdir(mediaFolder)
@@ -732,7 +732,7 @@ describe('SCSS Support', () => {
       expect(cssFiles.length).toBe(1)
       const cssContent = await readFile(join(cssFolder, cssFiles[0]), 'utf8')
       expect(cssContent.replace(/\/\*.*?\*\//g, '').trim()).toMatch(
-        /^\.red-text\{background-image:url\(\/foo\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/foo\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\);color:red\}\.blue-text\{background-image:url\(\/foo\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:orange;color:#00f;font-weight:bolder\}$/
+        /^\.red-text\{color:red;background-image:url\(\/foo\/_next\/static\/media\/dark\.[a-z0-9]{32}\.svg\) url\(\/foo\/_next\/static\/media\/dark2\.[a-z0-9]{32}\.svg\)\}\.blue-text\{color:orange;font-weight:bolder;background-image:url\(\/foo\/_next\/static\/media\/light\.[a-z0-9]{32}\.svg\);color:#00f\}$/
       )
 
       const mediaFiles = await readdir(mediaFolder)
diff --git a/yarn.lock b/yarn.lock
index 8668aa6810881..ab08dabd16f10 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5561,19 +5561,19 @@ cssnano-preset-default@^4.0.7:
     postcss-svgo "^4.0.2"
     postcss-unique-selectors "^4.0.1"
 
-cssnano-preset-simple@^1.1.3:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/cssnano-preset-simple/-/cssnano-preset-simple-1.1.3.tgz#c185f915afcfb803e78e357df48cc77f949eb1d4"
-  integrity sha512-7iDiM+OSkDlTrH/xGw748mr7FdQtFAy6qFRlTjJevAsG536DPOMeaDucJMqWzyAhcem0VQkTGveUk3bo3ux6hA==
+cssnano-preset-simple@1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/cssnano-preset-simple/-/cssnano-preset-simple-1.1.4.tgz#7b287a31df786348565d02342df71af8f758ac82"
+  integrity sha512-EYKDo65W+AxMViUijv/hvhbEnxUjmu3V7omcH1MatPOwjRLrAgVArUOE8wTUyc1ePFEtvV8oCT4/QSRJDorm/A==
   dependencies:
     postcss "^7.0.32"
 
-cssnano-simple@1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/cssnano-simple/-/cssnano-simple-1.0.4.tgz#2d56225795f4afbbb9c21df953cb43df6c589ae1"
-  integrity sha512-Em/QujEpiqfjT3wksbyHTYpBF2l7lfYuUiLjtCwurc6NqRFb4N/VZjC3djNuO7poFpO410tTcpJ38Qn8xWadcA==
+cssnano-simple@1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/cssnano-simple/-/cssnano-simple-1.0.5.tgz#66ee528f3a4e60754e2625ea9f51ac315f5f0a92"
+  integrity sha512-NJjx2Er1C3pa75v1GwMKm0w6xAp1GsW2Ql1As4CWPNFxTgYFN5e8wblYeHfna13sANAhyIdSIPqKJjBO4CU5Eg==
   dependencies:
-    cssnano-preset-simple "^1.1.3"
+    cssnano-preset-simple "1.1.4"
     postcss "^7.0.32"
 
 cssnano-util-get-arguments@^4.0.0:

From 3accce37a7486b51b43a45908697876f01f7a1ca Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Mon, 27 Jul 2020 00:23:23 -0400
Subject: [PATCH 14/90] v9.4.5-canary.44

---
 lerna.json                                         | 2 +-
 packages/create-next-app/package.json              | 2 +-
 packages/eslint-plugin-next/package.json           | 2 +-
 packages/next-bundle-analyzer/package.json         | 2 +-
 packages/next-mdx/package.json                     | 2 +-
 packages/next-plugin-google-analytics/package.json | 2 +-
 packages/next-plugin-sentry/package.json           | 2 +-
 packages/next-plugin-storybook/package.json        | 2 +-
 packages/next-polyfill-nomodule/package.json       | 2 +-
 packages/next/package.json                         | 8 ++++----
 packages/react-dev-overlay/package.json            | 2 +-
 packages/react-refresh-utils/package.json          | 2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lerna.json b/lerna.json
index b5e56c956ce19..b76e3e9aecc28 100644
--- a/lerna.json
+++ b/lerna.json
@@ -17,5 +17,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.4.5-canary.43"
+  "version": "9.4.5-canary.44"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index 5bcc40563d929..ddf4c53a8a436 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.4.5-canary.43",
+  "version": "9.4.5-canary.44",
   "keywords": [
     "react",
     "next",
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index dfede47bd5050..baad5adba2b29 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "9.4.5-canary.43",
+  "version": "9.4.5-canary.44",
   "description": "ESLint plugin for NextJS.",
   "main": "lib/index.js",
   "license": "MIT",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index d49537298fb78..6f19b4c77a64d 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.4.5-canary.43",
+  "version": "9.4.5-canary.44",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index 811a68d5908cb..283e50f4e8fbe 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.4.5-canary.43",
+  "version": "9.4.5-canary.44",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index f9e282660e2ca..7e9520a2f2789 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.4.5-canary.43",
+  "version": "9.4.5-canary.44",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-google-analytics"
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index f0b58d01fdeb7..a64db289c8d6b 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.4.5-canary.43",
+  "version": "9.4.5-canary.44",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-sentry"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index fe265828f3817..33fdd1e832ad9 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "9.4.5-canary.43",
+  "version": "9.4.5-canary.44",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index ff63b0de438dd..5103bc8cd37df 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.4.5-canary.43",
+  "version": "9.4.5-canary.44",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/package.json b/packages/next/package.json
index b35b4f3d0d4bc..5633b38df0998 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.4.5-canary.43",
+  "version": "9.4.5-canary.44",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -76,8 +76,8 @@
     "@babel/preset-typescript": "7.9.0",
     "@babel/runtime": "7.9.6",
     "@babel/types": "7.9.6",
-    "@next/react-dev-overlay": "9.4.5-canary.43",
-    "@next/react-refresh-utils": "9.4.5-canary.43",
+    "@next/react-dev-overlay": "9.4.5-canary.44",
+    "@next/react-refresh-utils": "9.4.5-canary.44",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
     "babel-plugin-transform-react-remove-prop-types": "0.4.24",
@@ -115,7 +115,7 @@
     "react-dom": "^16.6.0"
   },
   "devDependencies": {
-    "@next/polyfill-nomodule": "9.4.5-canary.43",
+    "@next/polyfill-nomodule": "9.4.5-canary.44",
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index 4ad6238fc484d..bf82ea35f4c31 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-dev-overlay",
-  "version": "9.4.5-canary.43",
+  "version": "9.4.5-canary.44",
   "description": "A development-only overlay for developing React applications.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index 0e02459b5dd64..919fa9e239062 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "9.4.5-canary.43",
+  "version": "9.4.5-canary.44",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",

From ac12c07ce55f5d1566be43b884818ec9387eabee Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Mon, 27 Jul 2020 01:58:36 -0400
Subject: [PATCH 15/90] Fix peer dependency (#15511)

---
 packages/react-dev-overlay/package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index bf82ea35f4c31..fb949417744e2 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -30,6 +30,6 @@
   "peerDependencies": {
     "react": "^16.9.0",
     "react-dom": "^16.9.0",
-    "webpack": "^4|^5"
+    "webpack": "^4 || ^5"
   }
 }

From 1ee151640efe857593228c142c115bbe338eeb60 Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Mon, 27 Jul 2020 01:59:19 -0400
Subject: [PATCH 16/90] v9.4.5-canary.45

---
 lerna.json                                         | 2 +-
 packages/create-next-app/package.json              | 2 +-
 packages/eslint-plugin-next/package.json           | 2 +-
 packages/next-bundle-analyzer/package.json         | 2 +-
 packages/next-mdx/package.json                     | 2 +-
 packages/next-plugin-google-analytics/package.json | 2 +-
 packages/next-plugin-sentry/package.json           | 2 +-
 packages/next-plugin-storybook/package.json        | 2 +-
 packages/next-polyfill-nomodule/package.json       | 2 +-
 packages/next/package.json                         | 8 ++++----
 packages/react-dev-overlay/package.json            | 2 +-
 packages/react-refresh-utils/package.json          | 2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lerna.json b/lerna.json
index b76e3e9aecc28..dba8bc8556b77 100644
--- a/lerna.json
+++ b/lerna.json
@@ -17,5 +17,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.4.5-canary.44"
+  "version": "9.4.5-canary.45"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index ddf4c53a8a436..63d136e41e911 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.4.5-canary.44",
+  "version": "9.4.5-canary.45",
   "keywords": [
     "react",
     "next",
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index baad5adba2b29..f2416a6353ddc 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "9.4.5-canary.44",
+  "version": "9.4.5-canary.45",
   "description": "ESLint plugin for NextJS.",
   "main": "lib/index.js",
   "license": "MIT",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index 6f19b4c77a64d..9d82d6666adcb 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.4.5-canary.44",
+  "version": "9.4.5-canary.45",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index 283e50f4e8fbe..f70a81bef4e00 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.4.5-canary.44",
+  "version": "9.4.5-canary.45",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index 7e9520a2f2789..1abad8e389ba3 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.4.5-canary.44",
+  "version": "9.4.5-canary.45",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-google-analytics"
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index a64db289c8d6b..dcab7dfaf3c76 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.4.5-canary.44",
+  "version": "9.4.5-canary.45",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-sentry"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index 33fdd1e832ad9..1555d929d3c87 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "9.4.5-canary.44",
+  "version": "9.4.5-canary.45",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index 5103bc8cd37df..10df83dda8e8c 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.4.5-canary.44",
+  "version": "9.4.5-canary.45",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/package.json b/packages/next/package.json
index 5633b38df0998..861389de4f7f2 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.4.5-canary.44",
+  "version": "9.4.5-canary.45",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -76,8 +76,8 @@
     "@babel/preset-typescript": "7.9.0",
     "@babel/runtime": "7.9.6",
     "@babel/types": "7.9.6",
-    "@next/react-dev-overlay": "9.4.5-canary.44",
-    "@next/react-refresh-utils": "9.4.5-canary.44",
+    "@next/react-dev-overlay": "9.4.5-canary.45",
+    "@next/react-refresh-utils": "9.4.5-canary.45",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
     "babel-plugin-transform-react-remove-prop-types": "0.4.24",
@@ -115,7 +115,7 @@
     "react-dom": "^16.6.0"
   },
   "devDependencies": {
-    "@next/polyfill-nomodule": "9.4.5-canary.44",
+    "@next/polyfill-nomodule": "9.4.5-canary.45",
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index fb949417744e2..97de776788c17 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-dev-overlay",
-  "version": "9.4.5-canary.44",
+  "version": "9.4.5-canary.45",
   "description": "A development-only overlay for developing React applications.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index 919fa9e239062..de3d434d7759f 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "9.4.5-canary.44",
+  "version": "9.4.5-canary.45",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",

From a3eec3bf038909d76ff6ea4809064417aee07c49 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <tim@timneutkens.nl>
Date: Mon, 27 Jul 2020 11:46:17 +0200
Subject: [PATCH 17/90] Update custom webpack config docs to mention existing
 features (#15517)

---
 .../next.config.js/custom-webpack-config.md   | 18 ++++----
 examples/with-ant-design/next.config.js       | 45 ++-----------------
 2 files changed, 13 insertions(+), 50 deletions(-)

diff --git a/docs/api-reference/next.config.js/custom-webpack-config.md b/docs/api-reference/next.config.js/custom-webpack-config.md
index 618bafe42790a..c9b71fcd0f7bb 100644
--- a/docs/api-reference/next.config.js/custom-webpack-config.md
+++ b/docs/api-reference/next.config.js/custom-webpack-config.md
@@ -4,12 +4,18 @@ description: Extend the default webpack config added by Next.js.
 
 # Custom Webpack Config
 
+Before continuing to add custom webpack configuration your application make sure Next.js doesn't already support your use-case:
+
+- [CSS imports](/docs/basic-features/built-in-css-support#adding-a-global-stylesheet)
+- [CSS modules](/docs/basic-features/built-in-css-support#adding-component-level-css)
+- [Sass/SCSS imports](/docs/basic-features/built-in-css-support#sass-support)
+- [Sass/SCSS modules](/docs/basic-features/built-in-css-support#sass-support)
+- [preact](https://github.com/vercel/next.js/tree/canary/examples/using-preact)
+- [Customizing babel configuration](/docs/advanced-features/customizing-babel-config)
+
 Some commonly asked for features are available as plugins:
 
-- [@zeit/next-sass](https://github.com/zeit/next-plugins/tree/master/packages/next-sass)
 - [@zeit/next-less](https://github.com/zeit/next-plugins/tree/master/packages/next-less)
-- [@zeit/next-stylus](https://github.com/zeit/next-plugins/tree/master/packages/next-stylus)
-- [@zeit/next-preact](https://github.com/zeit/next-plugins/tree/master/packages/next-preact)
 - [@next/mdx](https://github.com/vercel/next.js/tree/canary/packages/next-mdx)
 - [@next/bundle-analyzer](https://github.com/vercel/next.js/tree/canary/packages/next-bundle-analyzer)
 
@@ -20,12 +26,8 @@ module.exports = {
   webpack: (config, { buildId, dev, isServer, defaultLoaders, webpack }) => {
     // Note: we provide webpack above so you should not `require` it
     // Perform customizations to webpack config
-    // Important: return the modified config
     config.plugins.push(new webpack.IgnorePlugin(/\/__tests__\//))
-    return config
-  },
-  webpackDevMiddleware: (config) => {
-    // Perform customizations to webpack dev middleware config
+
     // Important: return the modified config
     return config
   },
diff --git a/examples/with-ant-design/next.config.js b/examples/with-ant-design/next.config.js
index 8188ce8128a27..5e149d4f542d9 100644
--- a/examples/with-ant-design/next.config.js
+++ b/examples/with-ant-design/next.config.js
@@ -1,44 +1,5 @@
-const compose = (plugins) => ({
-  webpack(config, options) {
-    return plugins.reduce((config, plugin) => {
-      if (plugin instanceof Array) {
-        const [_plugin, ...args] = plugin
-        plugin = _plugin(...args)
-      }
-      if (plugin instanceof Function) {
-        plugin = plugin()
-      }
-      if (plugin && plugin.webpack instanceof Function) {
-        return plugin.webpack(config, options)
-      }
-      return config
-    }, config)
-  },
-
-  webpackDevMiddleware(config) {
-    return plugins.reduce((config, plugin) => {
-      if (plugin instanceof Array) {
-        const [_plugin, ...args] = plugin
-        plugin = _plugin(...args)
-      }
-      if (plugin instanceof Function) {
-        plugin = plugin()
-      }
-      if (plugin && plugin.webpackDevMiddleware instanceof Function) {
-        return plugin.webpackDevMiddleware(config)
-      }
-      return config
-    }, config)
-  },
+const withBundleAnalyzer = require('@next/bundle-analyzer')({
+  enabled: process.env.ANALYZE === 'true',
 })
 
-const withBundleAnalyzer = require('@next/bundle-analyzer')
-
-module.exports = compose([
-  [
-    withBundleAnalyzer,
-    {
-      enabled: process.env.ANALYZE === 'true',
-    },
-  ],
-])
+module.exports = withBundleAnalyzer()

From d33dbea8dc684003a8d7babce58b60140089c6e1 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <timneutkens@me.com>
Date: Mon, 27 Jul 2020 16:55:16 +0200
Subject: [PATCH 18/90] v9.5.0

---
 lerna.json                                         | 2 +-
 packages/create-next-app/package.json              | 2 +-
 packages/eslint-plugin-next/package.json           | 2 +-
 packages/next-bundle-analyzer/package.json         | 2 +-
 packages/next-mdx/package.json                     | 2 +-
 packages/next-plugin-google-analytics/package.json | 2 +-
 packages/next-plugin-sentry/package.json           | 2 +-
 packages/next-plugin-storybook/package.json        | 2 +-
 packages/next-polyfill-nomodule/package.json       | 2 +-
 packages/next/package.json                         | 8 ++++----
 packages/react-dev-overlay/package.json            | 2 +-
 packages/react-refresh-utils/package.json          | 2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lerna.json b/lerna.json
index dba8bc8556b77..1659ef19d8196 100644
--- a/lerna.json
+++ b/lerna.json
@@ -17,5 +17,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.4.5-canary.45"
+  "version": "9.5.0"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index 63d136e41e911..d852aff667614 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.4.5-canary.45",
+  "version": "9.5.0",
   "keywords": [
     "react",
     "next",
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index f2416a6353ddc..9d5654b6b6c51 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "9.4.5-canary.45",
+  "version": "9.5.0",
   "description": "ESLint plugin for NextJS.",
   "main": "lib/index.js",
   "license": "MIT",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index 9d82d6666adcb..7076967589cea 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.4.5-canary.45",
+  "version": "9.5.0",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index f70a81bef4e00..eba024b924eb0 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.4.5-canary.45",
+  "version": "9.5.0",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index 1abad8e389ba3..493b900bc24f7 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.4.5-canary.45",
+  "version": "9.5.0",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-google-analytics"
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index dcab7dfaf3c76..ef16e76bc6d08 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.4.5-canary.45",
+  "version": "9.5.0",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-sentry"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index 1555d929d3c87..8dbed4219e7c2 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "9.4.5-canary.45",
+  "version": "9.5.0",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index 10df83dda8e8c..e126e4d4edfd6 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.4.5-canary.45",
+  "version": "9.5.0",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/package.json b/packages/next/package.json
index 861389de4f7f2..29434b38575de 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.4.5-canary.45",
+  "version": "9.5.0",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -76,8 +76,8 @@
     "@babel/preset-typescript": "7.9.0",
     "@babel/runtime": "7.9.6",
     "@babel/types": "7.9.6",
-    "@next/react-dev-overlay": "9.4.5-canary.45",
-    "@next/react-refresh-utils": "9.4.5-canary.45",
+    "@next/react-dev-overlay": "9.5.0",
+    "@next/react-refresh-utils": "9.5.0",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
     "babel-plugin-transform-react-remove-prop-types": "0.4.24",
@@ -115,7 +115,7 @@
     "react-dom": "^16.6.0"
   },
   "devDependencies": {
-    "@next/polyfill-nomodule": "9.4.5-canary.45",
+    "@next/polyfill-nomodule": "9.5.0",
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index 97de776788c17..dc5251883216e 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-dev-overlay",
-  "version": "9.4.5-canary.45",
+  "version": "9.5.0",
   "description": "A development-only overlay for developing React applications.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index de3d434d7759f..ef994d9f20405 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "9.4.5-canary.45",
+  "version": "9.5.0",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",

From 56367487085e3bef0bf86eebc1ebe662bf4b2337 Mon Sep 17 00:00:00 2001
From: Sebastian Benz <sbenz@google.com>
Date: Mon, 27 Jul 2020 20:12:33 +0200
Subject: [PATCH 19/90] upgrade @ampproject/toolbox-optimizer to 2.5.14
 (#15463)

---
 packages/next/compiled/terser/bundle.min.js |  2 +-
 packages/next/package.json                  |  2 +-
 yarn.lock                                   | 81 ++++++++++-----------
 3 files changed, 39 insertions(+), 46 deletions(-)

diff --git a/packages/next/compiled/terser/bundle.min.js b/packages/next/compiled/terser/bundle.min.js
index 7677047b6136e..67a46b82cf7e7 100644
--- a/packages/next/compiled/terser/bundle.min.js
+++ b/packages/next/compiled/terser/bundle.min.js
@@ -1 +1 @@
-module.exports=function(e,t){"use strict";var n={};function __webpack_require__(t){if(n[t]){return n[t].exports}var i=n[t]={i:t,l:false,exports:{}};e[t].call(i.exports,i,i.exports,__webpack_require__);i.l=true;return i.exports}__webpack_require__.ab=__dirname+"/";function startup(){return __webpack_require__(838)}return startup()}({241:function(e){e.exports=require("next/dist/compiled/source-map")},838:function(e,t,n){!function(e,i){true?i(t,n(241)):undefined}(this,function(C,O){"use strict";function n(e){return e.split("")}function i(e,t){return t.includes(e)}O=O&&O.hasOwnProperty("default")?O.default:O;class r extends Error{constructor(e,t){super(),this.name="DefaultsError",this.message=e,this.defs=t}}function o(e,t,n){!0===e&&(e={});var i=e||{};if(n)for(var o in i)if(D(i,o)&&!D(t,o))throw new r("`"+o+"` is not a supported option",t);for(var o in t)D(t,o)&&(i[o]=e&&D(e,o)?e[o]:t[o]);return i}function a(){}function s(){return!1}function u(){return!0}function c(){return this}function 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Ye(t.body[0]))),{type:e,body:n}}}(),C.AST_Accessor=ut,C.AST_Array=Jt,C.AST_Arrow=lt,C.AST_Assign=Zt,C.AST_Atom=qn,C.AST_Await=Fi,C.AST_Binary=$t,C.AST_Block=ze,C.AST_BlockStatement=We,C.AST_Boolean=Ai,C.AST_Break=vt,C.AST_Call=Kt,C.AST_Case=Ft,C.AST_Catch=Rt,C.AST_Class=sn,C.AST_ClassExpression=cn,C.AST_ConciseMethod=an,C.AST_Conditional=jt,C.AST_Const=It,C.AST_Constant=Hn,C.AST_Continue=Tt,C.AST_DWLoop=Ze,C.AST_Debugger=Ke,C.AST_DefClass=un,C.AST_Default=Ot,C.AST_DefaultAssign=Qt,C.AST_Definitions=wt,C.AST_Defun=ft,C.AST_Destructuring=pt,C.AST_Directive=Ue,C.AST_Do=Qe,C.AST_Dot=Xt,C.AST_EmptyStatement=Ye,C.AST_Exit=ht,C.AST_Expansion=at,C.AST_Export=Pt,C.AST_False=Si,C.AST_Finally=Nt,C.AST_For=et,C.AST_ForIn=tt,C.AST_ForOf=nt,C.AST_Function=ct,C.AST_Hole=Qn,C.AST_If=bt,C.AST_Import=Vt,C.AST_Infinity=Jn,C.AST_IterationStatement=je,C.AST_Jump=Et,C.AST_Label=Nn,C.AST_LabelRef=Vn,C.AST_LabeledStatement=$e,C.AST_Lambda=st,C.AST_Let=kt,C.AST_LoopControl=St,C.AST_NaN=jn,C.AST_NameMapping=Lt,C.AST_New=Ut,C.AST_NewTarget=fn,C.AST_Node=Pe,C.AST_Null=$n,C.AST_Number=zn,C.AST_Object=en,C.AST_ObjectGetter=on,C.AST_ObjectKeyVal=nn,C.AST_ObjectProperty=tn,C.AST_ObjectSetter=rn,C.AST_PrefixedTemplateString=_t,C.AST_PropAccess=Ht,C.AST_RegExp=Yn,C.AST_Return=gt,C.AST_Scope=rt,C.AST_Sequence=Gt,C.AST_SimpleStatement=Ge,C.AST_Statement=Be,C.AST_StatementWithBody=qe,C.AST_String=Xn,C.AST_Sub=zt,C.AST_Super=Gn,C.AST_Switch=yt,C.AST_SwitchBranch=Ct,C.AST_Symbol=ln,C.AST_SymbolBlockDeclaration=dn,C.AST_SymbolCatch=yn,C.AST_SymbolClass=bn,C.AST_SymbolConst=mn,C.AST_SymbolDeclaration=pn,C.AST_SymbolDefClass=Tn,C.AST_SymbolDefun=Dn,C.AST_SymbolExport=xn,C.AST_SymbolExportForeign=Ln,C.AST_SymbolFunarg=hn,C.AST_SymbolImport=Cn,C.AST_SymbolImportForeign=Rn,C.AST_SymbolLambda=Sn,C.AST_SymbolLet=En,C.AST_SymbolMethod=gn,C.AST_SymbolRef=wn,C.AST_SymbolVar=_n,C.AST_TemplateSegment=mt,C.AST_TemplateString=dt,C.AST_This=Pn,C.AST_Throw=At,C.AST_Token=Ve,C.AST_Toplevel=ot,C.AST_True=vi,C.AST_Try=Mt,C.AST_Unary=Wt,C.AST_UnaryPostfix=qt,C.AST_UnaryPrefix=Yt,C.AST_Undefined=Zn,C.AST_Var=xt,C.AST_VarDef=Bt,C.AST_While=Je,C.AST_With=it,C.AST_Yield=Mi,C.Compressor=ei,C.OutputStream=In,C.TreeTransformer=vn,C.TreeWalker=An,C._INLINE=Li,C._JS_Parse_Error=J,C._NOINLINE=Vi,C._PURE=Ii,C._has_annotation=T,C._tokenizer=ne,C.base54=ar,C.default_options=function(){const e={};return Object.keys(pr({0:0})).forEach(t=>{const n=pr({[t]:{0:0}});n&&(e[t]=n)}),e},C.defaults=o,C.mangle_properties=or,C.minify=fr,C.parse=ue,C.push_uniq=p,C.reserve_quoted_keys=ir,C.string_template=_,C.to_ascii=Br})}});
\ No newline at end of file
diff --git a/packages/next/package.json b/packages/next/package.json
index 29434b38575de..32d06ddea12ab 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -58,7 +58,7 @@
     ]
   },
   "dependencies": {
-    "@ampproject/toolbox-optimizer": "2.5.3",
+    "@ampproject/toolbox-optimizer": "2.5.14",
     "@babel/code-frame": "7.8.3",
     "@babel/core": "7.7.7",
     "@babel/plugin-proposal-class-properties": "7.8.3",
diff --git a/yarn.lock b/yarn.lock
index ab08dabd16f10..3d4252ec5323b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,25 +2,25 @@
 # yarn lockfile v1
 
 
-"@ampproject/toolbox-core@^2.5.1":
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-core/-/toolbox-core-2.5.1.tgz#f01895995a722254807106a3e1422cf1c6c25c13"
-  integrity sha512-XMt7Y7/Ga5HskqILTNwAmkrQSXM6KJ4Xf3fiEMy/yTldVg51SebAeTSzjKH+oisKhSw00Ogo4VL7AB6a2IrT3g==
+"@ampproject/toolbox-core@^2.5.4":
+  version "2.5.4"
+  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-core/-/toolbox-core-2.5.4.tgz#8554c5398b6d65d240085a6b0abb94f9a3276dce"
+  integrity sha512-KjHyR0XpQyloTu59IaatU2NCGT5zOhWJtVXQ4Uj/NUaRriN6LlJlzHBxtXmPIb0YHETdD63ITtDvqZizZPYFag==
   dependencies:
-    cross-fetch "3.0.4"
+    cross-fetch "3.0.5"
     lru-cache "5.1.1"
 
-"@ampproject/toolbox-optimizer@2.5.3":
-  version "2.5.3"
-  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-optimizer/-/toolbox-optimizer-2.5.3.tgz#da24e0bad9350fded8a923c9e1c2402f0fe01e5b"
-  integrity sha512-D6j7nU02sLRaW+ZKd1UNyUESu9GVLhVrtGHQ/rORj87ZJS5s0DCpoIDbq1slKQDCDHl7RknQ3A6CVm14ihXV2A==
+"@ampproject/toolbox-optimizer@2.5.14":
+  version "2.5.14"
+  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-optimizer/-/toolbox-optimizer-2.5.14.tgz#3235919e730e017ec4e54718e76ca5db8bd003e9"
+  integrity sha512-UTXKVwDKn/xsNOHYroFUtQRxnukdZuiYj7iM1rCAvRmDT9MqrtMTVG8boGjxt5aHLgCnrUZEMz+8d61iBYZeDQ==
   dependencies:
-    "@ampproject/toolbox-core" "^2.5.1"
-    "@ampproject/toolbox-runtime-version" "^2.5.1"
-    "@ampproject/toolbox-script-csp" "^2.3.0"
-    "@ampproject/toolbox-validator-rules" "^2.3.0"
+    "@ampproject/toolbox-core" "^2.5.4"
+    "@ampproject/toolbox-runtime-version" "^2.5.4"
+    "@ampproject/toolbox-script-csp" "^2.5.4"
+    "@ampproject/toolbox-validator-rules" "^2.5.4"
     abort-controller "3.0.0"
-    cross-fetch "3.0.4"
+    cross-fetch "3.0.5"
     cssnano "4.1.10"
     dom-serializer "1.0.1"
     domhandler "3.0.0"
@@ -31,24 +31,26 @@
     normalize-html-whitespace "1.0.0"
     postcss "7.0.32"
     postcss-safe-parser "4.0.2"
-    terser "4.7.0"
+    terser "4.8.0"
 
-"@ampproject/toolbox-runtime-version@^2.5.1":
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-runtime-version/-/toolbox-runtime-version-2.5.1.tgz#904280984a75925ff1d7a851ab15645efaa5cd90"
-  integrity sha512-udkXpuJX+f0ogd/GFlpifXg5K+BSyWpou9gg53uxoSpPTlPO4ZPepJ4PLfgdq0oxMq7f/IDN1YN5ZFFNJHbrzw==
+"@ampproject/toolbox-runtime-version@^2.5.4":
+  version "2.5.4"
+  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-runtime-version/-/toolbox-runtime-version-2.5.4.tgz#ed6e77df3832f551337bca3706b5a4e2f36d66f9"
+  integrity sha512-7vi/F91Zb+h1CwR8/on/JxZhp3Hhz6xJOOHxRA025aUFEFHV5c35B4QbTdt2MObWZrysogXFOT8M95dgU/hsKw==
   dependencies:
-    "@ampproject/toolbox-core" "^2.5.1"
+    "@ampproject/toolbox-core" "^2.5.4"
 
-"@ampproject/toolbox-script-csp@^2.3.0":
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-script-csp/-/toolbox-script-csp-2.3.0.tgz#374cd0bf69bfdd0f1784064d0de69162722c89af"
+"@ampproject/toolbox-script-csp@^2.5.4":
+  version "2.5.4"
+  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-script-csp/-/toolbox-script-csp-2.5.4.tgz#d8b7b91a678ae8f263cb36d9b74e441b7d633aad"
+  integrity sha512-+knTYetI5nWllRZ9wFcj7mYxelkiiFVRAAW/hl0ad8EnKHMH82tRlk40CapEnUHhp6Er5sCYkumQ8dngs3Q4zQ==
 
-"@ampproject/toolbox-validator-rules@^2.3.0":
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-validator-rules/-/toolbox-validator-rules-2.3.0.tgz#047d8a8106ba777f1df308c19f1c1c41ffea4054"
+"@ampproject/toolbox-validator-rules@^2.5.4":
+  version "2.5.4"
+  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-validator-rules/-/toolbox-validator-rules-2.5.4.tgz#7dee3a3edceefea459d060571db8cc6e7bbf0dd6"
+  integrity sha512-bS7uF+h0s5aiklc/iRaujiSsiladOsZBLrJ6QImJDXvubCAQtvE7om7ShlGSXixkMAO0OVMDWyuwLlEy8V1Ing==
   dependencies:
-    cross-fetch "3.0.4"
+    cross-fetch "3.0.5"
 
 "@babel/code-frame@7.8.3", "@babel/code-frame@^7.0.0", "@babel/code-frame@^7.5.5", "@babel/code-frame@^7.8.3":
   version "7.8.3"
@@ -5286,12 +5288,12 @@ cross-env@6.0.3:
   dependencies:
     cross-spawn "^7.0.0"
 
-cross-fetch@3.0.4:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-3.0.4.tgz#7bef7020207e684a7638ef5f2f698e24d9eb283c"
+cross-fetch@3.0.5:
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-3.0.5.tgz#2739d2981892e7ab488a7ad03b92df2816e03f4c"
+  integrity sha512-FFLcLtraisj5eteosnX1gf01qYDCOc4fDy0+euOt8Kn9YBY2NtXL/pCoYPavw24NIQkQqm5ZOLsGD5Zzj0gyew==
   dependencies:
     node-fetch "2.6.0"
-    whatwg-fetch "3.0.0"
 
 cross-spawn@6.0.5, cross-spawn@^6.0.0, cross-spawn@^6.0.5:
   version "6.0.5"
@@ -15221,10 +15223,10 @@ terser@4.4.2:
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
-terser@4.7.0:
-  version "4.7.0"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.7.0.tgz#15852cf1a08e3256a80428e865a2fa893ffba006"
-  integrity sha512-Lfb0RiZcjRDXCC3OSHJpEkxJ9Qeqs6mp2v4jf2MHfy8vGERmVDuvjXdd/EnP5Deme5F2yBRBymKmKHCBg2echw==
+terser@4.8.0, terser@^4.1.2:
+  version "4.8.0"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.0.tgz#63056343d7c70bb29f3af665865a46fe03a0df17"
+  integrity sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"
@@ -15238,15 +15240,6 @@ terser@^3.8.2:
     source-map "~0.6.1"
     source-map-support "~0.5.10"
 
-terser@^4.1.2:
-  version "4.8.0"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.0.tgz#63056343d7c70bb29f3af665865a46fe03a0df17"
-  integrity sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==
-  dependencies:
-    commander "^2.20.0"
-    source-map "~0.6.1"
-    source-map-support "~0.5.12"
-
 terser@^4.4.3:
   version "4.6.11"
   resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.11.tgz#12ff99fdd62a26de2a82f508515407eb6ccd8a9f"

From 63e66ef0b052d366a20052b929e3fa01c93e6368 Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Mon, 27 Jul 2020 14:47:00 -0400
Subject: [PATCH 20/90] Update `gssp-export` Error (#15529)

This pull request updates the `gssp-export` error for clarity.

Fixes #15527
---
 errors/gssp-export.md | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/errors/gssp-export.md b/errors/gssp-export.md
index b9908fadc58d0..62909cabf4e39 100644
--- a/errors/gssp-export.md
+++ b/errors/gssp-export.md
@@ -2,13 +2,37 @@
 
 #### Why This Error Occurred
 
-You attempted to export a page with `getServerSideProps` which is not allowed. `getServerSideProps` is meant for requesting up to date information on every request which means exporting it defeats the purpose of the method.
+You attempted to statically export your application via `next export`, however, one or more of your pages uses `getServerSideProps`.
+
+The `getServerSideProps` lifecycle is not compatible with `next export`, so you'll need to use `next start` or a [serverless deployment](https://vercel.com).
 
 #### Possible Ways to Fix It
 
-If you would like the page be static you can leverage the `getStaticProps` method instead.
+1. If you'd like to keep your application static, you can use `getStaticProps` instead of `getServerSideProps`.
+
+2. If you want to use server-side rendering, update your build command and remove `next export`. For example, in your `package.json`:
+
+   ```diff
+   diff --git a/bla.json b/bla.json
+   index b84aa66c4..149e67565 100644
+   --- a/bla.json
+   +++ b/bla.json
+   @@ -1,7 +1,7 @@
+   {
+     "scripts": {
+       "dev": "next dev",
+   -    "build": "next build && next export",
+   +    "build": "next build",
+       "start": "next start"
+     }
+   }
+   ```
+
+> **Note**: Removing `next export` does not mean your entire application is no longer static.
+> Pages that use `getStaticProps` or [no lifecycle](https://nextjs.org/docs/advanced-features/automatic-static-optimization) **will still be static**!
 
 ### Useful Links
 
+- [Automatic Static Optimization](https://nextjs.org/docs/advanced-features/automatic-static-optimization)
 - [`getStaticProps` documentation](https://nextjs.org/docs/basic-features/data-fetching#getstaticprops-static-generation)
 - [`exportPathMap` documentation](https://nextjs.org/docs/api-reference/next.config.js/exportPathMap)

From 193ffe7616ed1e1578eea817d8808e9f556f6055 Mon Sep 17 00:00:00 2001
From: Christopher Robert Van Wiemeersch <hearcomestreble@gmail.com>
Date: Mon, 27 Jul 2020 12:24:29 -0700
Subject: [PATCH 21/90] fix typo in custom-webpack-config docs (#15533)

---
 docs/api-reference/next.config.js/custom-webpack-config.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/api-reference/next.config.js/custom-webpack-config.md b/docs/api-reference/next.config.js/custom-webpack-config.md
index c9b71fcd0f7bb..44934f7301e51 100644
--- a/docs/api-reference/next.config.js/custom-webpack-config.md
+++ b/docs/api-reference/next.config.js/custom-webpack-config.md
@@ -4,7 +4,7 @@ description: Extend the default webpack config added by Next.js.
 
 # Custom Webpack Config
 
-Before continuing to add custom webpack configuration your application make sure Next.js doesn't already support your use-case:
+Before continuing to add custom webpack configuration to your application make sure Next.js doesn't already support your use-case:
 
 - [CSS imports](/docs/basic-features/built-in-css-support#adding-a-global-stylesheet)
 - [CSS modules](/docs/basic-features/built-in-css-support#adding-component-level-css)

From 71bc0db92ad0f75e5f208d04ae36f6810f8f53c6 Mon Sep 17 00:00:00 2001
From: Gerald Monaco <gbmonaco@google.com>
Date: Mon, 27 Jul 2020 13:19:30 -0700
Subject: [PATCH 22/90] Combine sendPayload and sendHTML (#15475)

---
 packages/next/build/entries.ts                |  1 +
 .../webpack/loaders/next-serverless-loader.ts |  9 +++--
 .../next/next-server/server/next-server.ts    | 21 ++++++++---
 packages/next/next-server/server/send-html.ts | 37 -------------------
 .../next/next-server/server/send-payload.ts   | 21 ++++++++---
 5 files changed, 37 insertions(+), 52 deletions(-)
 delete mode 100644 packages/next/next-server/server/send-html.ts

diff --git a/packages/next/build/entries.ts b/packages/next/build/entries.ts
index 7d464a7746bc2..8d6df0482b4b3 100644
--- a/packages/next/build/entries.ts
+++ b/packages/next/build/entries.ts
@@ -83,6 +83,7 @@ export function createEntrypoints(
     buildId,
     assetPrefix: config.assetPrefix,
     generateEtags: config.generateEtags,
+    poweredByHeader: config.poweredByHeader,
     canonicalBase: config.canonicalBase,
     basePath: config.basePath,
     runtimeConfig: hasRuntimeConfig
diff --git a/packages/next/build/webpack/loaders/next-serverless-loader.ts b/packages/next/build/webpack/loaders/next-serverless-loader.ts
index abcc79c08d186..400bf0304bf88 100644
--- a/packages/next/build/webpack/loaders/next-serverless-loader.ts
+++ b/packages/next/build/webpack/loaders/next-serverless-loader.ts
@@ -22,6 +22,7 @@ export type ServerlessLoaderQuery = {
   buildId: string
   assetPrefix: string
   generateEtags: string
+  poweredByHeader: string
   canonicalBase: string
   basePath: string
   runtimeConfig: string
@@ -43,6 +44,7 @@ const nextServerlessLoader: loader.Loader = function () {
     absoluteDocumentPath,
     absoluteErrorPath,
     generateEtags,
+    poweredByHeader,
     basePath,
     runtimeConfig,
     previewProps,
@@ -266,7 +268,6 @@ const nextServerlessLoader: loader.Loader = function () {
     const {parse: parseQs} = require('querystring')
     const {renderToHTML} = require('next/dist/next-server/server/render');
     const { tryGetPreviewData } = require('next/dist/next-server/server/api-utils');
-    const {sendHTML} = require('next/dist/next-server/server/send-html');
     const {sendPayload} = require('next/dist/next-server/server/send-payload');
     const buildManifest = require('${buildManifest}');
     const reactLoadableManifest = require('${reactLoadableManifest}');
@@ -494,9 +495,9 @@ const nextServerlessLoader: loader.Loader = function () {
         await initServer()
         const html = await renderReqToHTML(req, res)
         if (html) {
-          sendHTML(req, res, html, {generateEtags: ${
-            generateEtags === 'true' ? true : false
-          }})
+          sendPayload(req, res, html, 'html', {generateEtags: ${JSON.stringify(
+            generateEtags === 'true'
+          )}, poweredByHeader: ${JSON.stringify(poweredByHeader === 'true')}})
         }
       } catch(err) {
         console.error(err)
diff --git a/packages/next/next-server/server/next-server.ts b/packages/next/next-server/server/next-server.ts
index ff0a17ed57e74..ce5005bd6c1d7 100644
--- a/packages/next/next-server/server/next-server.ts
+++ b/packages/next/next-server/server/next-server.ts
@@ -52,7 +52,6 @@ import Router, {
   route,
   Route,
 } from './router'
-import { sendHTML } from './send-html'
 import { sendPayload } from './send-payload'
 import { serveStatic } from './serve-static'
 import { IncrementalCache } from './incremental-cache'
@@ -813,7 +812,10 @@ export default class Server {
     html: string
   ): Promise<void> {
     const { generateEtags, poweredByHeader } = this.renderOpts
-    return sendHTML(req, res, html, { generateEtags, poweredByHeader })
+    return sendPayload(req, res, html, 'html', {
+      generateEtags,
+      poweredByHeader,
+    })
   }
 
   public async render(
@@ -996,7 +998,10 @@ export default class Server {
         res,
         data,
         isDataReq ? 'json' : 'html',
-        this.renderOpts.generateEtags,
+        {
+          generateEtags: this.renderOpts.generateEtags,
+          poweredByHeader: this.renderOpts.poweredByHeader,
+        },
         !this.renderOpts.dev
           ? {
               private: isPreviewMode,
@@ -1126,7 +1131,10 @@ export default class Server {
         html = renderResult.html
       }
 
-      sendPayload(req, res, html, 'html', this.renderOpts.generateEtags)
+      sendPayload(req, res, html, 'html', {
+        generateEtags: this.renderOpts.generateEtags,
+        poweredByHeader: this.renderOpts.poweredByHeader,
+      })
       return null
     }
 
@@ -1141,7 +1149,10 @@ export default class Server {
         res,
         isDataReq ? JSON.stringify(pageData) : html,
         isDataReq ? 'json' : 'html',
-        this.renderOpts.generateEtags,
+        {
+          generateEtags: this.renderOpts.generateEtags,
+          poweredByHeader: this.renderOpts.poweredByHeader,
+        },
         !this.renderOpts.dev || (isServerProps && !isDataReq)
           ? {
               private: isPreviewMode,
diff --git a/packages/next/next-server/server/send-html.ts b/packages/next/next-server/server/send-html.ts
deleted file mode 100644
index 1a7380215ade2..0000000000000
--- a/packages/next/next-server/server/send-html.ts
+++ /dev/null
@@ -1,37 +0,0 @@
-import { IncomingMessage, ServerResponse } from 'http'
-import generateETag from 'next/dist/compiled/etag'
-import fresh from 'next/dist/compiled/fresh'
-import { isResSent } from '../lib/utils'
-
-export function sendHTML(
-  req: IncomingMessage,
-  res: ServerResponse,
-  html: string,
-  {
-    generateEtags,
-    poweredByHeader,
-  }: { generateEtags: boolean; poweredByHeader: boolean }
-) {
-  if (isResSent(res)) return
-  const etag = generateEtags ? generateETag(html) : undefined
-
-  if (poweredByHeader) {
-    res.setHeader('X-Powered-By', 'Next.js')
-  }
-
-  if (fresh(req.headers, { etag })) {
-    res.statusCode = 304
-    res.end()
-    return
-  }
-
-  if (etag) {
-    res.setHeader('ETag', etag)
-  }
-
-  if (!res.getHeader('Content-Type')) {
-    res.setHeader('Content-Type', 'text/html; charset=utf-8')
-  }
-  res.setHeader('Content-Length', Buffer.byteLength(html))
-  res.end(req.method === 'HEAD' ? null : html)
-}
diff --git a/packages/next/next-server/server/send-payload.ts b/packages/next/next-server/server/send-payload.ts
index e6f2b5a0058cb..6943e0774227d 100644
--- a/packages/next/next-server/server/send-payload.ts
+++ b/packages/next/next-server/server/send-payload.ts
@@ -8,7 +8,10 @@ export function sendPayload(
   res: ServerResponse,
   payload: any,
   type: 'html' | 'json',
-  generateEtags: boolean,
+  {
+    generateEtags,
+    poweredByHeader,
+  }: { generateEtags: boolean; poweredByHeader: boolean },
   options?:
     | { private: true }
     | { private: boolean; stateful: true }
@@ -18,6 +21,10 @@ export function sendPayload(
     return
   }
 
+  if (poweredByHeader && type === 'html') {
+    res.setHeader('X-Powered-By', 'Next.js')
+  }
+
   const etag = generateEtags ? generateETag(payload) : undefined
 
   if (fresh(req.headers, { etag })) {
@@ -30,10 +37,12 @@ export function sendPayload(
     res.setHeader('ETag', etag)
   }
 
-  res.setHeader(
-    'Content-Type',
-    type === 'json' ? 'application/json' : 'text/html; charset=utf-8'
-  )
+  if (!res.getHeader('Content-Type')) {
+    res.setHeader(
+      'Content-Type',
+      type === 'json' ? 'application/json' : 'text/html; charset=utf-8'
+    )
+  }
   res.setHeader('Content-Length', Buffer.byteLength(payload))
   if (options != null) {
     if (options.private || options.stateful) {
@@ -61,5 +70,5 @@ export function sendPayload(
       )
     }
   }
-  res.end(payload)
+  res.end(req.method === 'HEAD' ? null : payload)
 }

From fc942865bfc0456822f93579f1c2436f48b70bea Mon Sep 17 00:00:00 2001
From: ywppp <64980223+ywppp@users.noreply.github.com>
Date: Mon, 27 Jul 2020 21:00:22 -0700
Subject: [PATCH 23/90] [update] 'yo' to 'you' (#15545)

that's really all there is - it just bugged me.
---
 examples/with-cxs/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/with-cxs/README.md b/examples/with-cxs/README.md
index b3dcbd2e09789..fd8f716b6a7ca 100644
--- a/examples/with-cxs/README.md
+++ b/examples/with-cxs/README.md
@@ -1,6 +1,6 @@
 # Example app with cxs
 
-This example features how yo use a different styling solution than [styled-jsx](https://github.com/zeit/styled-jsx) that also supports universal styles. That means we can serve the required styles for the first render within the HTML and then load the rest in the client. In this case we are using [cxs](https://github.com/jxnblk/cxs/).
+This example shows how to use a different styling solution than [styled-jsx](https://github.com/zeit/styled-jsx) that also supports universal styles. That means we can serve the required styles for the first render within the HTML and then load the rest in the client. In this case we are using [cxs](https://github.com/jxnblk/cxs/).
 
 For this purpose we are extending the `<Document />` and injecting the server side rendered styles into the `<head>`.
 

From bf1af6880add6e612c06c42179c2dab5ec372669 Mon Sep 17 00:00:00 2001
From: Luis Alvarez D <luis@vercel.com>
Date: Mon, 27 Jul 2020 23:16:31 -0500
Subject: [PATCH 24/90] [Docs] Update links that should point to Vercel repos
 (#15547)

From feedback, we still have some links that go to zeit repos instead of vercel
---
 .../api-reference/next.config.js/custom-webpack-config.md | 2 +-
 docs/basic-features/built-in-css-support.md               | 8 ++++----
 docs/routing/dynamic-routes.md                            | 2 +-
 docs/upgrading.md                                         | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/docs/api-reference/next.config.js/custom-webpack-config.md b/docs/api-reference/next.config.js/custom-webpack-config.md
index 44934f7301e51..28586da21da63 100644
--- a/docs/api-reference/next.config.js/custom-webpack-config.md
+++ b/docs/api-reference/next.config.js/custom-webpack-config.md
@@ -15,7 +15,7 @@ Before continuing to add custom webpack configuration to your application make s
 
 Some commonly asked for features are available as plugins:
 
-- [@zeit/next-less](https://github.com/zeit/next-plugins/tree/master/packages/next-less)
+- [@zeit/next-less](https://github.com/vercel/next-plugins/tree/master/packages/next-less)
 - [@next/mdx](https://github.com/vercel/next.js/tree/canary/packages/next-mdx)
 - [@next/bundle-analyzer](https://github.com/vercel/next.js/tree/canary/packages/next-bundle-analyzer)
 
diff --git a/docs/basic-features/built-in-css-support.md b/docs/basic-features/built-in-css-support.md
index 3743627b0c5da..07cd55fea25b7 100644
--- a/docs/basic-features/built-in-css-support.md
+++ b/docs/basic-features/built-in-css-support.md
@@ -129,8 +129,8 @@ module.exports = {
 
 To support importing `.less` or `.styl` files you can use the following plugins:
 
-- [@zeit/next-less](https://github.com/zeit/next-plugins/tree/master/packages/next-less)
-- [@zeit/next-stylus](https://github.com/zeit/next-plugins/tree/master/packages/next-stylus)
+- [@zeit/next-less](https://github.com/vercel/next-plugins/tree/master/packages/next-less)
+- [@zeit/next-stylus](https://github.com/vercel/next-plugins/tree/master/packages/next-stylus)
 
 If using the less plugin, don't forget to add a dependency on less as well, otherwise you'll see an error like:
 
@@ -164,7 +164,7 @@ function HiThere() {
 export default HiThere
 ```
 
-We bundle [styled-jsx](https://github.com/zeit/styled-jsx) to provide support for isolated scoped CSS.
+We bundle [styled-jsx](https://github.com/vercel/styled-jsx) to provide support for isolated scoped CSS.
 The aim is to support "shadow CSS" similar to Web Components, which unfortunately [do not support server-rendering and are JS-only](https://github.com/w3c/webcomponents/issues/71).
 
 See the above examples for other popular CSS-in-JS solutions (like Styled Components).
@@ -202,7 +202,7 @@ function HelloWorld() {
 export default HelloWorld
 ```
 
-Please see the [styled-jsx documentation](https://github.com/zeit/styled-jsx) for more examples.
+Please see the [styled-jsx documentation](https://github.com/vercel/styled-jsx) for more examples.
 
 ## FAQ
 
diff --git a/docs/routing/dynamic-routes.md b/docs/routing/dynamic-routes.md
index ca1f26e54fd87..e4d85c0244d1b 100644
--- a/docs/routing/dynamic-routes.md
+++ b/docs/routing/dynamic-routes.md
@@ -99,7 +99,7 @@ The `query` objects are as follows:
 { "slug": ["a", "b"] } // `GET /post/a/b` (multi-element array)
 ```
 
-> A good example of optional catch all routes is the Next.js docs, a single page called [pages/docs/[[...slug]].js](https://github.com/zeit/next-site/blob/master/pages/docs/%5B%5B...slug%5D%5D.js) takes care of all the docs you're currently looking at.
+> A good example of optional catch all routes is the Next.js docs, a single page called [pages/docs/[[...slug]].js](https://github.com/vercel/next-site/blob/master/pages/docs/%5B%5B...slug%5D%5D.js) takes care of all the docs you're currently looking at.
 
 ## Caveats
 
diff --git a/docs/upgrading.md b/docs/upgrading.md
index 1e2497746a83b..3bab07d905248 100644
--- a/docs/upgrading.md
+++ b/docs/upgrading.md
@@ -104,7 +104,7 @@ Next.js now has the concept of page-level configuration, so the `withAmp` higher
 This change can be **automatically migrated by running the following commands in the root of your Next.js project:**
 
 ```bash
-curl -L https://github.com/zeit/next-codemod/archive/master.tar.gz | tar -xz --strip=2 next-codemod-master/transforms/withamp-to-config.js npx jscodeshift -t ./withamp-to-config.js pages/**/*.js
+curl -L https://github.com/vercel/next-codemod/archive/master.tar.gz | tar -xz --strip=2 next-codemod-master/transforms/withamp-to-config.js npx jscodeshift -t ./withamp-to-config.js pages/**/*.js
 ```
 
 To perform this migration by hand, or view what the codemod will produce, see below:

From bf9b96bd81d62d8fe62487ef58509dd958d76bcb Mon Sep 17 00:00:00 2001
From: Omkar Yadav <httpsOmkar@gmail.com>
Date: Tue, 28 Jul 2020 09:16:08 +0400
Subject: [PATCH 25/90] Update Apollo example for 9.5 (#15546)

---
 examples/with-apollo/pages/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/with-apollo/pages/index.js b/examples/with-apollo/pages/index.js
index 184cc530b508e..c2072332ad542 100644
--- a/examples/with-apollo/pages/index.js
+++ b/examples/with-apollo/pages/index.js
@@ -29,7 +29,7 @@ export async function getStaticProps() {
     props: {
       initialApolloState: apolloClient.cache.extract(),
     },
-    unstable_revalidate: 1,
+    revalidate: 1,
   }
 }
 

From e73faa187bfe2bccabbb52f05ea5faf4ad3a85fe Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Tue, 28 Jul 2020 01:25:50 -0400
Subject: [PATCH 26/90] Update revalidate examples for 9.5 (#15551)

---
 examples/with-apollo-and-redux/pages/apollo.js | 2 +-
 examples/with-apollo-and-redux/pages/index.js  | 2 +-
 examples/with-apollo-and-redux/pages/redux.js  | 2 +-
 examples/with-graphql-hooks/pages/index.js     | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/examples/with-apollo-and-redux/pages/apollo.js b/examples/with-apollo-and-redux/pages/apollo.js
index 7d19b38bcd4f2..8c46d6649450e 100644
--- a/examples/with-apollo-and-redux/pages/apollo.js
+++ b/examples/with-apollo-and-redux/pages/apollo.js
@@ -25,7 +25,7 @@ export async function getStaticProps() {
     props: {
       initialApolloState: apolloClient.cache.extract(),
     },
-    unstable_revalidate: 1,
+    revalidate: 1,
   }
 }
 
diff --git a/examples/with-apollo-and-redux/pages/index.js b/examples/with-apollo-and-redux/pages/index.js
index d4b28defabd49..a0ae296b30455 100644
--- a/examples/with-apollo-and-redux/pages/index.js
+++ b/examples/with-apollo-and-redux/pages/index.js
@@ -57,7 +57,7 @@ export async function getStaticProps() {
       initialReduxState: reduxStore.getState(),
       initialApolloState: apolloClient.cache.extract(),
     },
-    unstable_revalidate: 1,
+    revalidate: 1,
   }
 }
 
diff --git a/examples/with-apollo-and-redux/pages/redux.js b/examples/with-apollo-and-redux/pages/redux.js
index 6b90c1cdbc533..41c373bb139fd 100644
--- a/examples/with-apollo-and-redux/pages/redux.js
+++ b/examples/with-apollo-and-redux/pages/redux.js
@@ -39,7 +39,7 @@ export async function getStaticProps() {
     props: {
       initialReduxState: reduxStore.getState(),
     },
-    unstable_revalidate: 1,
+    revalidate: 1,
   }
 }
 
diff --git a/examples/with-graphql-hooks/pages/index.js b/examples/with-graphql-hooks/pages/index.js
index 0f7cd40deaa80..85aa71d251cb4 100644
--- a/examples/with-graphql-hooks/pages/index.js
+++ b/examples/with-graphql-hooks/pages/index.js
@@ -25,6 +25,6 @@ export async function getStaticProps() {
     props: {
       initialGraphQLState: client.cache.getInitialState(),
     },
-    unstable_revalidate: 1,
+    revalidate: 1,
   }
 }

From 4dcf94e5c4325669253cc5e67141aaf03a13ee1e Mon Sep 17 00:00:00 2001
From: Luis Alvarez D <luis@vercel.com>
Date: Tue, 28 Jul 2020 03:19:09 -0500
Subject: [PATCH 27/90] [Docs] Performance time is in milliseconds (#15544)

---
 docs/advanced-features/measuring-performance.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/advanced-features/measuring-performance.md b/docs/advanced-features/measuring-performance.md
index 831c53c87118a..9ed5eaf768987 100644
--- a/docs/advanced-features/measuring-performance.md
+++ b/docs/advanced-features/measuring-performance.md
@@ -30,8 +30,8 @@ The `metric` object returned to the function consists of a number of properties:
 
 - `id`: Unique identifier for the metric in the context of the current page load
 - `name`: Metric name
-- `startTime`: First recorded timestamp of the performance entry (if applicable)
-- `value`: Value, or duration, of performance entry
+- `startTime`: First recorded timestamp of the performance entry in [milliseconds](https://developer.mozilla.org/en-US/docs/Web/API/DOMHighResTimeStamp) (if applicable)
+- `value`: Value, or duration in [milliseconds](https://developer.mozilla.org/en-US/docs/Web/API/DOMHighResTimeStamp), of the performance entry
 - `label`: Type of metric (`web-vital` or `custom`)
 
 There are two types of metrics that are tracked:

From 5b4274a5901134035e4d041b7dd1680f87286ff9 Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Tue, 28 Jul 2020 04:36:34 -0400
Subject: [PATCH 28/90] De-experimentalize redirects for rosetta example
 (#15554)

Fixes #15552
---
 examples/with-i18n-rosetta/next.config.js | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/examples/with-i18n-rosetta/next.config.js b/examples/with-i18n-rosetta/next.config.js
index 3e6c176989606..dff12cbf7f522 100644
--- a/examples/with-i18n-rosetta/next.config.js
+++ b/examples/with-i18n-rosetta/next.config.js
@@ -1,13 +1,11 @@
 module.exports = {
-  experimental: {
-    redirects() {
-      return [
-        {
-          source: '/',
-          permanent: true,
-          destination: '/en',
-        },
-      ]
-    },
+  redirects() {
+    return [
+      {
+        source: '/',
+        destination: '/en',
+        permanent: true,
+      },
+    ]
   },
 }

From fdfc508a61bd1694892f0f123561d200177e8772 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <tim@timneutkens.nl>
Date: Tue, 28 Jul 2020 11:33:21 +0200
Subject: [PATCH 29/90] Add polyfill for process and Buffer in webpack 5
 (#15499)

---
 packages/next/build/webpack-config.ts |  8 ++++++
 packages/next/package.json            |  2 ++
 yarn.lock                             | 37 ++++++++++++++++++++++++---
 3 files changed, 44 insertions(+), 3 deletions(-)

diff --git a/packages/next/build/webpack-config.ts b/packages/next/build/webpack-config.ts
index 7f7665ed44f81..4650bac488056 100644
--- a/packages/next/build/webpack-config.ts
+++ b/packages/next/build/webpack-config.ts
@@ -802,6 +802,14 @@ export default async function getBaseWebpackConfig(
     },
     plugins: [
       hasReactRefresh && new ReactRefreshWebpackPlugin(),
+      // Makes sure `Buffer` is polyfilled in client-side bundles (same behavior as webpack 4)
+      isWebpack5 &&
+        !isServer &&
+        new webpack.ProvidePlugin({ Buffer: ['buffer', 'Buffer'] }),
+      // Makes sure `process` is polyfilled in client-side bundles (same behavior as webpack 4)
+      isWebpack5 &&
+        !isServer &&
+        new webpack.ProvidePlugin({ process: ['process'] }),
       // This plugin makes sure `output.filename` is used for entry chunks
       !isWebpack5 && new ChunkNamesPlugin(),
       new webpack.DefinePlugin({
diff --git a/packages/next/package.json b/packages/next/package.json
index 32d06ddea12ab..a6de2b01bf0ba 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -82,6 +82,7 @@
     "babel-plugin-transform-define": "2.0.0",
     "babel-plugin-transform-react-remove-prop-types": "0.4.24",
     "browserslist": "4.13.0",
+    "buffer": "5.6.0",
     "cacache": "13.0.1",
     "chokidar": "2.1.8",
     "css-loader": "3.5.3",
@@ -95,6 +96,7 @@
     "neo-async": "2.6.1",
     "pnp-webpack-plugin": "1.6.4",
     "postcss": "7.0.32",
+    "process": "0.11.10",
     "prop-types": "15.7.2",
     "prop-types-exact": "1.2.0",
     "react-is": "16.13.1",
diff --git a/yarn.lock b/yarn.lock
index 3d4252ec5323b..b4aded28c727e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4108,7 +4108,7 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserslist@4.13.0, browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6, browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.13.0, browserslist@^4.3.6, browserslist@^4.6.4, browserslist@^4.8.3, browserslist@^4.8.5:
+browserslist@4.13.0, browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.13.0, browserslist@^4.3.6, browserslist@^4.6.4, browserslist@^4.8.3, browserslist@^4.8.5:
   version "4.13.0"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.13.0.tgz#42556cba011e1b0a2775b611cba6a8eca18e940d"
   integrity sha512-MINatJ5ZNrLnQ6blGvePd/QOz9Xtu+Ne+x29iQSCHfkU5BugKVJwZKn/iiL8UbpIpa3JhviKjz+XxMo0m2caFQ==
@@ -4118,6 +4118,14 @@ browserslist@4.13.0, browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7
     escalade "^3.0.1"
     node-releases "^1.1.58"
 
+browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6:
+  version "1.7.7"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.7.7.tgz#0bd76704258be829b2398bb50e4b62d1a166b0b9"
+  integrity sha1-C9dnBCWL6CmyOYu1Dkti0aFmsLk=
+  dependencies:
+    caniuse-db "^1.0.30000639"
+    electron-to-chromium "^1.2.7"
+
 browserstack-local@1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/browserstack-local/-/browserstack-local-1.4.0.tgz#d979cac056f57b9af159b3bcd7fdc09b4354537c"
@@ -4172,6 +4180,14 @@ buffer-xor@^1.0.3:
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
   integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
 
+buffer@5.6.0:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.6.0.tgz#a31749dc7d81d84db08abf937b6b8c4033f62786"
+  integrity sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+
 buffer@^4.3.0:
   version "4.9.2"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-4.9.2.tgz#230ead344002988644841ab0244af8c44bbe3ef8"
@@ -4424,11 +4440,21 @@ caniuse-db@^1.0.30000529, caniuse-db@^1.0.30000634:
   version "1.0.30001023"
   resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30001023.tgz#f856f71af16a5a44e81f1fcefc1673912a43da72"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30001019, caniuse-lite@^1.0.30001020, caniuse-lite@^1.0.30001093:
+caniuse-db@^1.0.30000639:
+  version "1.0.30001107"
+  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30001107.tgz#39d1b87ce1632a77ad49852144a17a9e7ab8c27e"
+  integrity sha512-ffbV17yvEamsNm4N4dDDHdj147tWwdKw+mGyeOmvQcnu+gu455xUg8degvUOCB+fIAm7Rv3gXVn7XlTiYKymMQ==
+
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30001019, caniuse-lite@^1.0.30001020:
   version "1.0.30001066"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001066.tgz#0a8a58a10108f2b9bf38e7b65c237b12fd9c5f04"
   integrity sha512-Gfj/WAastBtfxLws0RCh2sDbTK/8rJuSeZMecrSkNGYxPcv7EzblmDGfWQCFEQcSqYE2BRgQiJh8HOD07N5hIw==
 
+caniuse-lite@^1.0.30001093:
+  version "1.0.30001107"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001107.tgz#809360df7a5b3458f627aa46b0f6ed6d5239da9a"
+  integrity sha512-86rCH+G8onCmdN4VZzJet5uPELII59cUzDphko3thQFgAQG1RNa+sVLDoALIhRYmflo5iSIzWY3vu1XTWtNMQQ==
+
 capitalize@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/capitalize/-/capitalize-1.0.0.tgz#dc802c580aee101929020d2ca14b4ca8a0ae44be"
@@ -6150,6 +6176,11 @@ ejs@^2.6.1:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.7.4.tgz#48661287573dcc53e366c7a1ae52c3a120eec9ba"
 
+electron-to-chromium@^1.2.7:
+  version "1.3.509"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.509.tgz#830fcb89cd66dc2984d18d794973b99e3f00584c"
+  integrity sha512-cN4lkjNRuTG8rtAqTOVgwpecEC2kbKA04PG6YijcKGHK/kD0xLjiqExcAOmLUwtXZRF8cBeam2I0VZcih919Ug==
+
 electron-to-chromium@^1.3.488:
   version "1.3.501"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.501.tgz#faa17a2cb0105ee30d5e1ca87eae7d8e85dd3175"
@@ -12842,7 +12873,7 @@ process-nextick-args@~2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
 
-process@^0.11.10:
+process@0.11.10, process@^0.11.10:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
   integrity sha1-czIwDoQBYb2j5podHZGn1LwW8YI=

From 17420c785c23e56b82a7fd80490559a292db1c8d Mon Sep 17 00:00:00 2001
From: Jean Helou <jean.helou@gmail.com>
Date: Tue, 28 Jul 2020 12:00:27 +0200
Subject: [PATCH 30/90] improves baseUrl resolution in typescript monorepos
 (#13542)

---
 packages/next/build/webpack-config.ts         |  5 +-
 .../packages/lib/a/api.ts                     |  5 ++
 .../packages/lib/b/api.ts                     |  4 ++
 .../packages/lib/b/b-only.ts                  |  4 ++
 .../www/components/alias-to-d-ts.d.ts         |  1 +
 .../packages/www/components/alias-to-d-ts.tsx |  4 ++
 .../packages/www/components/hello.tsx         |  5 ++
 .../packages/www/components/world.tsx         |  5 ++
 .../packages/www/next.config.js               | 23 +++++++++
 .../packages/www/pages/alias-to-d-ts.tsx      | 10 ++++
 .../packages/www/pages/basic-alias.tsx        |  9 ++++
 .../packages/www/pages/resolve-fallback.tsx   |  5 ++
 .../packages/www/pages/resolve-order.tsx      |  5 ++
 .../packages/www/pages/single-alias.tsx       |  9 ++++
 .../packages/www/test/index.test.js           | 51 +++++++++++++++++++
 .../packages/www/tsconfig.json                |  6 +++
 .../typescript-workspaces-paths/tsconfig.json | 30 +++++++++++
 17 files changed, 180 insertions(+), 1 deletion(-)
 create mode 100644 test/integration/typescript-workspaces-paths/packages/lib/a/api.ts
 create mode 100644 test/integration/typescript-workspaces-paths/packages/lib/b/api.ts
 create mode 100644 test/integration/typescript-workspaces-paths/packages/lib/b/b-only.ts
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/components/alias-to-d-ts.d.ts
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/components/alias-to-d-ts.tsx
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/components/hello.tsx
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/components/world.tsx
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/next.config.js
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/pages/alias-to-d-ts.tsx
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/pages/basic-alias.tsx
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/pages/resolve-fallback.tsx
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/pages/resolve-order.tsx
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/pages/single-alias.tsx
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/test/index.test.js
 create mode 100644 test/integration/typescript-workspaces-paths/packages/www/tsconfig.json
 create mode 100644 test/integration/typescript-workspaces-paths/tsconfig.json

diff --git a/packages/next/build/webpack-config.ts b/packages/next/build/webpack-config.ts
index 4650bac488056..7968dd59aa0b6 100644
--- a/packages/next/build/webpack-config.ts
+++ b/packages/next/build/webpack-config.ts
@@ -15,6 +15,7 @@ import {
 } from '../lib/constants'
 import { fileExists } from '../lib/file-exists'
 import { resolveRequest } from '../lib/resolve-request'
+import { getTypeScriptConfiguration } from '../lib/typescript/getTypeScriptConfiguration'
 import {
   CLIENT_STATIC_FILES_RUNTIME_MAIN,
   CLIENT_STATIC_FILES_RUNTIME_POLYFILLS,
@@ -261,7 +262,9 @@ export default async function getBaseWebpackConfig(
   let jsConfig
   // jsconfig is a subset of tsconfig
   if (useTypeScript) {
-    jsConfig = parseJsonFile(tsConfigPath)
+    const ts = (await import(typeScriptPath)) as typeof import('typescript')
+    const tsConfig = await getTypeScriptConfiguration(ts, tsConfigPath)
+    jsConfig = { compilerOptions: tsConfig.options }
   }
 
   const jsConfigPath = path.join(dir, 'jsconfig.json')
diff --git a/test/integration/typescript-workspaces-paths/packages/lib/a/api.ts b/test/integration/typescript-workspaces-paths/packages/lib/a/api.ts
new file mode 100644
index 0000000000000..6644e65afa29e
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/lib/a/api.ts
@@ -0,0 +1,5 @@
+//this line uses typescript specific syntax
+//to demonstrate that transpilation occurs
+export type API = () => string
+const api: API = () => 'Hello from a'
+export default api
diff --git a/test/integration/typescript-workspaces-paths/packages/lib/b/api.ts b/test/integration/typescript-workspaces-paths/packages/lib/b/api.ts
new file mode 100644
index 0000000000000..0d1aa87ee59e5
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/lib/b/api.ts
@@ -0,0 +1,4 @@
+import { API } from '@lib/api'
+
+const b: API = () => 'Hello from b'
+export default b
diff --git a/test/integration/typescript-workspaces-paths/packages/lib/b/b-only.ts b/test/integration/typescript-workspaces-paths/packages/lib/b/b-only.ts
new file mode 100644
index 0000000000000..7837c03d9919d
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/lib/b/b-only.ts
@@ -0,0 +1,4 @@
+import { API } from '@lib/api'
+
+const b: API = () => 'Hello from only b'
+export default b
diff --git a/test/integration/typescript-workspaces-paths/packages/www/components/alias-to-d-ts.d.ts b/test/integration/typescript-workspaces-paths/packages/www/components/alias-to-d-ts.d.ts
new file mode 100644
index 0000000000000..02906bf403120
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/components/alias-to-d-ts.d.ts
@@ -0,0 +1 @@
+export default () => any
diff --git a/test/integration/typescript-workspaces-paths/packages/www/components/alias-to-d-ts.tsx b/test/integration/typescript-workspaces-paths/packages/www/components/alias-to-d-ts.tsx
new file mode 100644
index 0000000000000..5af0d17928ece
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/components/alias-to-d-ts.tsx
@@ -0,0 +1,4 @@
+const Named = () => {
+  return <>Not aliased to d.ts file</>
+}
+export default Named
diff --git a/test/integration/typescript-workspaces-paths/packages/www/components/hello.tsx b/test/integration/typescript-workspaces-paths/packages/www/components/hello.tsx
new file mode 100644
index 0000000000000..49c8de26f6c50
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/components/hello.tsx
@@ -0,0 +1,5 @@
+import React from 'react'
+
+export function Hello() {
+  return <>Hello</>
+}
diff --git a/test/integration/typescript-workspaces-paths/packages/www/components/world.tsx b/test/integration/typescript-workspaces-paths/packages/www/components/world.tsx
new file mode 100644
index 0000000000000..d7d1f66258c77
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/components/world.tsx
@@ -0,0 +1,5 @@
+import React from 'react'
+
+export function World(): JSX.Element {
+  return <>World</>
+}
diff --git a/test/integration/typescript-workspaces-paths/packages/www/next.config.js b/test/integration/typescript-workspaces-paths/packages/www/next.config.js
new file mode 100644
index 0000000000000..1de16e790d34b
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/next.config.js
@@ -0,0 +1,23 @@
+const path = require('path')
+module.exports = {
+  webpack: function (config, { defaultLoaders }) {
+    const resolvedBaseUrl = path.resolve(config.context, '../../')
+    config.module.rules = [
+      ...config.module.rules,
+      {
+        test: /\.(tsx|ts|js|mjs|jsx)$/,
+        include: [resolvedBaseUrl],
+        use: defaultLoaders.babel,
+        exclude: (excludePath) => {
+          return /node_modules/.test(excludePath)
+        },
+      },
+    ]
+    return config
+  },
+
+  onDemandEntries: {
+    // Make sure entries are not getting disposed.
+    maxInactiveAge: 1000 * 60 * 60,
+  },
+}
diff --git a/test/integration/typescript-workspaces-paths/packages/www/pages/alias-to-d-ts.tsx b/test/integration/typescript-workspaces-paths/packages/www/pages/alias-to-d-ts.tsx
new file mode 100644
index 0000000000000..d24ac047d2f73
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/pages/alias-to-d-ts.tsx
@@ -0,0 +1,10 @@
+import React from 'react'
+import NotAliasedToDTS from 'd-ts-alias'
+
+export default function HelloPage(): JSX.Element {
+  return (
+    <div>
+      <NotAliasedToDTS />
+    </div>
+  )
+}
diff --git a/test/integration/typescript-workspaces-paths/packages/www/pages/basic-alias.tsx b/test/integration/typescript-workspaces-paths/packages/www/pages/basic-alias.tsx
new file mode 100644
index 0000000000000..f9b23a1829702
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/pages/basic-alias.tsx
@@ -0,0 +1,9 @@
+import React from 'react'
+import { World } from '@c/world'
+export default function HelloPage(): JSX.Element {
+  return (
+    <div>
+      <World />
+    </div>
+  )
+}
diff --git a/test/integration/typescript-workspaces-paths/packages/www/pages/resolve-fallback.tsx b/test/integration/typescript-workspaces-paths/packages/www/pages/resolve-fallback.tsx
new file mode 100644
index 0000000000000..8b1dc93cd6bf4
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/pages/resolve-fallback.tsx
@@ -0,0 +1,5 @@
+import React from 'react'
+import api from '@lib/b-only'
+export default function ResolveOrder(): JSX.Element {
+  return <div>{api()}</div>
+}
diff --git a/test/integration/typescript-workspaces-paths/packages/www/pages/resolve-order.tsx b/test/integration/typescript-workspaces-paths/packages/www/pages/resolve-order.tsx
new file mode 100644
index 0000000000000..dd83cd62e8a8a
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/pages/resolve-order.tsx
@@ -0,0 +1,5 @@
+import React from 'react'
+import api from '@lib/api'
+export default function ResolveOrder(): JSX.Element {
+  return <div>{api()}</div>
+}
diff --git a/test/integration/typescript-workspaces-paths/packages/www/pages/single-alias.tsx b/test/integration/typescript-workspaces-paths/packages/www/pages/single-alias.tsx
new file mode 100644
index 0000000000000..df2031b90ae62
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/pages/single-alias.tsx
@@ -0,0 +1,9 @@
+import { Hello } from '@mycomponent'
+
+export default function SingleAlias() {
+  return (
+    <div>
+      <Hello />
+    </div>
+  )
+}
diff --git a/test/integration/typescript-workspaces-paths/packages/www/test/index.test.js b/test/integration/typescript-workspaces-paths/packages/www/test/index.test.js
new file mode 100644
index 0000000000000..30116ff3264fe
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/test/index.test.js
@@ -0,0 +1,51 @@
+/* eslint-env jest */
+
+import { join } from 'path'
+import cheerio from 'cheerio'
+import { renderViaHTTP, findPort, launchApp, killApp } from 'next-test-utils'
+
+jest.setTimeout(1000 * 60 * 2)
+
+const appDir = join(__dirname, '..')
+let appPort
+let app
+
+async function get$(path, query) {
+  const html = await renderViaHTTP(appPort, path, query)
+  return cheerio.load(html)
+}
+
+describe('TypeScript Features', () => {
+  describe('default behavior', () => {
+    beforeAll(async () => {
+      appPort = await findPort()
+      app = await launchApp(appDir, appPort, {})
+    })
+    afterAll(() => killApp(app))
+
+    it('should alias components', async () => {
+      const $ = await get$('/basic-alias')
+      expect($('body').text()).toMatch(/World/)
+    })
+
+    it('should resolve the first item in the array first', async () => {
+      const $ = await get$('/resolve-order')
+      expect($('body').text()).toMatch(/Hello from a/)
+    })
+
+    it('should resolve the second item in as a fallback', async () => {
+      const $ = await get$('/resolve-fallback')
+      expect($('body').text()).toMatch(/Hello from only b/)
+    })
+
+    it('should resolve a single matching alias', async () => {
+      const $ = await get$('/single-alias')
+      expect($('body').text()).toMatch(/Hello/)
+    })
+
+    it('should not resolve to .d.ts files', async () => {
+      const $ = await get$('/alias-to-d-ts')
+      expect($('body').text()).toMatch(/Not aliased to d\.ts file/)
+    })
+  })
+})
diff --git a/test/integration/typescript-workspaces-paths/packages/www/tsconfig.json b/test/integration/typescript-workspaces-paths/packages/www/tsconfig.json
new file mode 100644
index 0000000000000..72435f3401f72
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/packages/www/tsconfig.json
@@ -0,0 +1,6 @@
+/* This is a single line comment to check if that works */
+{
+  "extends": "../../tsconfig.json",
+  "exclude": ["node_modules"],
+  "include": ["next-env.d.ts", "components", "pages"]
+}
diff --git a/test/integration/typescript-workspaces-paths/tsconfig.json b/test/integration/typescript-workspaces-paths/tsconfig.json
new file mode 100644
index 0000000000000..2be4d1bba03e6
--- /dev/null
+++ b/test/integration/typescript-workspaces-paths/tsconfig.json
@@ -0,0 +1,30 @@
+/* This is a single line comment to check if that works */
+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "isomorphic-unfetch": ["packages/www/types/unfetch.d.ts"],
+      "@c/*": ["packages/www/components/*"],
+      "@lib/*": ["packages/lib/a/*", "packages/lib/b/*"],
+      "@mycomponent": ["packages/www/components/hello.tsx"],
+      "d-ts-alias": [
+        "packages/www/components/alias-to-d-ts.d.ts",
+        "packages/www/components/alias-to-d-ts.tsx"
+      ]
+      // This is a single line comment to check if that works
+    },
+    "esModuleInterop": true,
+    "module": "esnext",
+    "jsx": "preserve",
+    "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "forceConsistentCasingInFileNames": true,
+    "noEmit": true,
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true
+  }
+}

From 91242ca6d7d8227dff9d2eb7e9c3b8517f5b6fde Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Tue, 28 Jul 2020 12:02:00 +0200
Subject: [PATCH 31/90] Ignore history state not created by next.js (#15379)

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
---
 .../next/next-server/lib/router/router.ts     |  7 ++-
 .../client-navigation/test/index.test.js      | 60 +++++++++++++++++++
 2 files changed, 66 insertions(+), 1 deletion(-)

diff --git a/packages/next/next-server/lib/router/router.ts b/packages/next/next-server/lib/router/router.ts
index 1e256d190aac2..5475c2399b9d9 100644
--- a/packages/next/next-server/lib/router/router.ts
+++ b/packages/next/next-server/lib/router/router.ts
@@ -341,7 +341,11 @@ export default class Router implements BaseRouter {
       return
     }
 
-    const { url, as, options } = e.state
+    const { url, as, options, __N } = e.state
+    if (!__N) {
+      // this history state wasn't created by next.js so it can be ignored
+      return
+    }
     const { pathname } = parseRelativeUrl(url)
 
     // Make sure we don't re-render on initial load,
@@ -596,6 +600,7 @@ export default class Router implements BaseRouter {
           url,
           as,
           options,
+          __N: true,
         },
         // Most browsers currently ignores this parameter, although they may use it in the future.
         // Passing the empty string here should be safe against future changes to the method.
diff --git a/test/integration/client-navigation/test/index.test.js b/test/integration/client-navigation/test/index.test.js
index 12d3cf648e93f..e8d59546df887 100644
--- a/test/integration/client-navigation/test/index.test.js
+++ b/test/integration/client-navigation/test/index.test.js
@@ -1104,6 +1104,66 @@ describe('Client Navigation', () => {
     })
   })
 
+  describe('foreign history manipulation', () => {
+    it('should ignore history state without options', async () => {
+      let browser
+      try {
+        browser = await webdriver(context.appPort, '/nav')
+        // push history object without options
+        await browser.eval(
+          'window.history.pushState({ url: "/whatever" }, "", "/whatever")'
+        )
+        await browser.elementByCss('#about-link').click()
+        await browser.waitForElementByCss('.nav-about')
+        await browser.back()
+        await waitFor(1000)
+        expect(await hasRedbox(browser)).toBe(false)
+      } finally {
+        if (browser) {
+          await browser.close()
+        }
+      }
+    })
+
+    it('should ignore history state with an invalid url', async () => {
+      let browser
+      try {
+        browser = await webdriver(context.appPort, '/nav')
+        // push history object wit invalid url (not relative)
+        await browser.eval(
+          'window.history.pushState({ url: "http://google.com" }, "", "/whatever")'
+        )
+        await browser.elementByCss('#about-link').click()
+        await browser.waitForElementByCss('.nav-about')
+        await browser.back()
+        await waitFor(1000)
+        expect(await hasRedbox(browser)).toBe(false)
+      } finally {
+        if (browser) {
+          await browser.close()
+        }
+      }
+    })
+
+    it('should ignore foreign history state with missing properties', async () => {
+      let browser
+      try {
+        browser = await webdriver(context.appPort, '/nav')
+        // push empty history state
+        await browser.eval('window.history.pushState({}, "", "/whatever")')
+        await browser.elementByCss('#about-link').click()
+        await browser.waitForElementByCss('.nav-about')
+        await browser.back()
+        await waitFor(1000)
+        expect(await hasRedbox(browser)).toBe(false)
+      } finally {
+        if (browser) {
+          await browser.close()
+        }
+      }
+    })
+  })
+
   it('should not error on module.exports + polyfills', async () => {
     let browser
     try {

From 27c207da7b199cbaad6c7340b72323f7501e8879 Mon Sep 17 00:00:00 2001
From: Darsh Patel <darshkpatel@gmail.com>
Date: Tue, 28 Jul 2020 15:42:57 +0530
Subject: [PATCH 32/90] Fix: UnhandledPromiseRejectionWarning when unknown flag
 provided for cli commands (#15422)

---
 packages/next/cli/next-dev.ts                 | 33 ++++---
 packages/next/cli/next-export.ts              | 35 ++++----
 packages/next/cli/next-start.ts               | 34 +++++---
 packages/next/cli/next-telemetry.ts           | 30 ++++---
 .../build-warnings/test/index.test.js         |  9 --
 test/integration/cli/test/index.test.js       | 85 +++++++++++++++++++
 6 files changed, 162 insertions(+), 64 deletions(-)

diff --git a/packages/next/cli/next-dev.ts b/packages/next/cli/next-dev.ts
index e010277ff9f8c..4c9b9ae1962f5 100755
--- a/packages/next/cli/next-dev.ts
+++ b/packages/next/cli/next-dev.ts
@@ -8,21 +8,26 @@ import { startedDevelopmentServer } from '../build/output'
 import { cliCommand } from '../bin/next'
 
 const nextDev: cliCommand = (argv) => {
-  const args = arg(
-    {
-      // Types
-      '--help': Boolean,
-      '--port': Number,
-      '--hostname': String,
-
-      // Aliases
-      '-h': '--help',
-      '-p': '--port',
-      '-H': '--hostname',
-    },
-    { argv }
-  )
+  const validArgs: arg.Spec = {
+    // Types
+    '--help': Boolean,
+    '--port': Number,
+    '--hostname': String,
 
+    // Aliases
+    '-h': '--help',
+    '-p': '--port',
+    '-H': '--hostname',
+  }
+  let args: arg.Result<arg.Spec>
+  try {
+    args = arg(validArgs, { argv })
+  } catch (error) {
+    if (error.code === 'ARG_UNKNOWN_OPTION') {
+      return printAndExit(error.message, 1)
+    }
+    throw error
+  }
   if (args['--help']) {
     // tslint:disable-next-line
     console.log(`
diff --git a/packages/next/cli/next-export.ts b/packages/next/cli/next-export.ts
index 29e8085d0ae5f..55a959892ceb1 100755
--- a/packages/next/cli/next-export.ts
+++ b/packages/next/cli/next-export.ts
@@ -7,22 +7,27 @@ import { printAndExit } from '../server/lib/utils'
 import { cliCommand } from '../bin/next'
 
 const nextExport: cliCommand = (argv) => {
-  const args = arg(
-    {
-      // Types
-      '--help': Boolean,
-      '--silent': Boolean,
-      '--outdir': String,
-      '--threads': Number,
-
-      // Aliases
-      '-h': '--help',
-      '-s': '--silent',
-      '-o': '--outdir',
-    },
-    { argv }
-  )
+  const validArgs: arg.Spec = {
+    // Types
+    '--help': Boolean,
+    '--silent': Boolean,
+    '--outdir': String,
+    '--threads': Number,
 
+    // Aliases
+    '-h': '--help',
+    '-s': '--silent',
+    '-o': '--outdir',
+  }
+  let args: arg.Result<arg.Spec>
+  try {
+    args = arg(validArgs, { argv })
+  } catch (error) {
+    if (error.code === 'ARG_UNKNOWN_OPTION') {
+      return printAndExit(error.message, 1)
+    }
+    throw error
+  }
   if (args['--help']) {
     // tslint:disable-next-line
     console.log(`
diff --git a/packages/next/cli/next-start.ts b/packages/next/cli/next-start.ts
index 90d89d9fcd240..78a71bb95dc9f 100755
--- a/packages/next/cli/next-start.ts
+++ b/packages/next/cli/next-start.ts
@@ -3,25 +3,31 @@
 import { resolve } from 'path'
 import arg from 'next/dist/compiled/arg/index.js'
 import startServer from '../server/lib/start-server'
+import { printAndExit } from '../server/lib/utils'
 import { cliCommand } from '../bin/next'
 import * as Log from '../build/output/log'
 
 const nextStart: cliCommand = (argv) => {
-  const args = arg(
-    {
-      // Types
-      '--help': Boolean,
-      '--port': Number,
-      '--hostname': String,
-
-      // Aliases
-      '-h': '--help',
-      '-p': '--port',
-      '-H': '--hostname',
-    },
-    { argv }
-  )
+  const validArgs: arg.Spec = {
+    // Types
+    '--help': Boolean,
+    '--port': Number,
+    '--hostname': String,
 
+    // Aliases
+    '-h': '--help',
+    '-p': '--port',
+    '-H': '--hostname',
+  }
+  let args: arg.Result<arg.Spec>
+  try {
+    args = arg(validArgs, { argv })
+  } catch (error) {
+    if (error.code === 'ARG_UNKNOWN_OPTION') {
+      return printAndExit(error.message, 1)
+    }
+    throw error
+  }
   if (args['--help']) {
     // tslint:disable-next-line
     console.log(`
diff --git a/packages/next/cli/next-telemetry.ts b/packages/next/cli/next-telemetry.ts
index 58b97ac8bafea..6e53a4bd68219 100755
--- a/packages/next/cli/next-telemetry.ts
+++ b/packages/next/cli/next-telemetry.ts
@@ -1,22 +1,28 @@
 #!/usr/bin/env node
 import chalk from 'next/dist/compiled/chalk'
 import arg from 'next/dist/compiled/arg/index.js'
-
+import { printAndExit } from '../server/lib/utils'
 import { cliCommand } from '../bin/next'
 import { Telemetry } from '../telemetry/storage'
 
 const nextTelemetry: cliCommand = (argv) => {
-  const args = arg(
-    {
-      // Types
-      '--help': Boolean,
-      '--enable': Boolean,
-      '--disable': Boolean,
-      // Aliases
-      '-h': '--help',
-    },
-    { argv }
-  )
+  const validArgs: arg.Spec = {
+    // Types
+    '--help': Boolean,
+    '--enable': Boolean,
+    '--disable': Boolean,
+    // Aliases
+    '-h': '--help',
+  }
+  let args: arg.Result<arg.Spec>
+  try {
+    args = arg(validArgs, { argv })
+  } catch (error) {
+    if (error.code === 'ARG_UNKNOWN_OPTION') {
+      return printAndExit(error.message, 1)
+    }
+    throw error
+  }
 
   if (args['--help']) {
     console.log(
diff --git a/test/integration/build-warnings/test/index.test.js b/test/integration/build-warnings/test/index.test.js
index 01a2845926934..886aa774fed5b 100644
--- a/test/integration/build-warnings/test/index.test.js
+++ b/test/integration/build-warnings/test/index.test.js
@@ -87,13 +87,4 @@ describe('Build warnings', () => {
     }))
     expect(stdout).not.toContain('no-cache')
   })
-
-  it('should warn when unknown argument provided', async () => {
-    const { stderr } = await nextBuild(appDir, ['--random'], { stderr: true })
-    expect(stderr).toEqual('Unknown or unexpected option: --random\n')
-  })
-  it('should not throw UnhandledPromiseRejectionWarning', async () => {
-    const { stderr } = await nextBuild(appDir, ['--random'], { stderr: true })
-    expect(stderr).not.toContain('UnhandledPromiseRejectionWarning')
-  })
 })
diff --git a/test/integration/cli/test/index.test.js b/test/integration/cli/test/index.test.js
index b7a3ff177d713..311ad5a4d04ee 100644
--- a/test/integration/cli/test/index.test.js
+++ b/test/integration/cli/test/index.test.js
@@ -59,6 +59,19 @@ describe('CLI Usage', () => {
         /Compiles the application for production deployment/
       )
     })
+
+    test('should warn when unknown argument provided', async () => {
+      const { stderr } = await runNextCommand(['build', '--random'], {
+        stderr: true,
+      })
+      expect(stderr).toEqual('Unknown or unexpected option: --random\n')
+    })
+    test('should not throw UnhandledPromiseRejectionWarning', async () => {
+      const { stderr } = await runNextCommand(['build', '--random'], {
+        stderr: true,
+      })
+      expect(stderr).not.toContain('UnhandledPromiseRejectionWarning')
+    })
   })
 
   describe('dev', () => {
@@ -121,6 +134,19 @@ describe('CLI Usage', () => {
       )
       expect(output).toMatch(new RegExp(`http://0.0.0.0:${port}`))
     })
+
+    test('should warn when unknown argument provided', async () => {
+      const { stderr } = await runNextCommand(['dev', '--random'], {
+        stderr: true,
+      })
+      expect(stderr).toEqual('Unknown or unexpected option: --random\n')
+    })
+    test('should not throw UnhandledPromiseRejectionWarning', async () => {
+      const { stderr } = await runNextCommand(['dev', '--random'], {
+        stderr: true,
+      })
+      expect(stderr).not.toContain('UnhandledPromiseRejectionWarning')
+    })
   })
 
   describe('start', () => {
@@ -137,6 +163,19 @@ describe('CLI Usage', () => {
       })
       expect(help.stdout).toMatch(/Starts the application in production mode/)
     })
+
+    test('should warn when unknown argument provided', async () => {
+      const { stderr } = await runNextCommand(['start', '--random'], {
+        stderr: true,
+      })
+      expect(stderr).toEqual('Unknown or unexpected option: --random\n')
+    })
+    test('should not throw UnhandledPromiseRejectionWarning', async () => {
+      const { stderr } = await runNextCommand(['start', '--random'], {
+        stderr: true,
+      })
+      expect(stderr).not.toContain('UnhandledPromiseRejectionWarning')
+    })
   })
 
   describe('export', () => {
@@ -153,5 +192,51 @@ describe('CLI Usage', () => {
       })
       expect(help.stdout).toMatch(/Exports the application/)
     })
+
+    test('should warn when unknown argument provided', async () => {
+      const { stderr } = await runNextCommand(['export', '--random'], {
+        stderr: true,
+      })
+      expect(stderr).toEqual('Unknown or unexpected option: --random\n')
+    })
+    test('should not throw UnhandledPromiseRejectionWarning', async () => {
+      const { stderr } = await runNextCommand(['export', '--random'], {
+        stderr: true,
+      })
+      expect(stderr).not.toContain('UnhandledPromiseRejectionWarning')
+    })
+  })
+
+  describe('telemetry', () => {
+    test('--help', async () => {
+      const help = await runNextCommand(['telemetry', '--help'], {
+        stdout: true,
+      })
+      expect(help.stdout).toMatch(
+        /Allows you to control Next\.js' telemetry collection/
+      )
+    })
+
+    test('-h', async () => {
+      const help = await runNextCommand(['telemetry', '-h'], {
+        stdout: true,
+      })
+      expect(help.stdout).toMatch(
+        /Allows you to control Next\.js' telemetry collection/
+      )
+    })
+
+    test('should warn when unknown argument provided', async () => {
+      const { stderr } = await runNextCommand(['telemetry', '--random'], {
+        stderr: true,
+      })
+      expect(stderr).toEqual('Unknown or unexpected option: --random\n')
+    })
+    test('should not throw UnhandledPromiseRejectionWarning', async () => {
+      const { stderr } = await runNextCommand(['telemetry', '--random'], {
+        stderr: true,
+      })
+      expect(stderr).not.toContain('UnhandledPromiseRejectionWarning')
+    })
   })
 })

From fb81ecb2bd85167d2676983a2489e29ea42b6b97 Mon Sep 17 00:00:00 2001
From: Prateek Bhatnagar <prateek89born@gmail.com>
Date: Tue, 28 Jul 2020 03:19:28 -0700
Subject: [PATCH 33/90] Font optimizations (#14746)

Co-authored-by: atcastle <atcastle@gmail.com>
---
 packages/next/build/webpack-config.ts         |   9 +-
 .../webpack/loaders/next-serverless-loader.ts |  13 +-
 .../font-stylesheet-gathering-plugin.ts       | 141 +++++++++++++++
 packages/next/export/index.ts                 |   1 +
 packages/next/export/worker.ts                |  35 +++-
 packages/next/next-server/lib/constants.ts    |   2 +
 packages/next/next-server/lib/head.tsx        |  15 ++
 packages/next/next-server/lib/post-process.ts | 161 ++++++++++++++++++
 packages/next/next-server/server/config.ts    |   1 +
 .../next/next-server/server/font-utils.ts     |  59 +++++++
 .../next/next-server/server/next-server.ts    |  24 ++-
 packages/next/next-server/server/render.tsx   |  22 +++
 packages/next/next-server/server/require.ts   |  10 ++
 packages/next/package.json                    |   3 +-
 packages/next/pages/_document.tsx             |  34 +++-
 .../build-output/test/index.test.js           |   2 +-
 .../font-optimization/pages/_document.js      |  30 ++++
 .../font-optimization/pages/index.js          |   7 +
 .../font-optimization/pages/stars.js          |  26 +++
 .../font-optimization/pages/static-head.js    |  18 ++
 test/integration/font-optimization/server.js  | 111 ++++++++++++
 .../font-optimization/test/index.test.js      | 129 ++++++++++++++
 yarn.lock                                     |  12 ++
 23 files changed, 853 insertions(+), 12 deletions(-)
 create mode 100644 packages/next/build/webpack/plugins/font-stylesheet-gathering-plugin.ts
 create mode 100644 packages/next/next-server/lib/post-process.ts
 create mode 100644 packages/next/next-server/server/font-utils.ts
 create mode 100644 test/integration/font-optimization/pages/_document.js
 create mode 100644 test/integration/font-optimization/pages/index.js
 create mode 100644 test/integration/font-optimization/pages/stars.js
 create mode 100644 test/integration/font-optimization/pages/static-head.js
 create mode 100644 test/integration/font-optimization/server.js
 create mode 100644 test/integration/font-optimization/test/index.test.js

diff --git a/packages/next/build/webpack-config.ts b/packages/next/build/webpack-config.ts
index 7968dd59aa0b6..9ccc634070f09 100644
--- a/packages/next/build/webpack-config.ts
+++ b/packages/next/build/webpack-config.ts
@@ -53,7 +53,7 @@ import WebpackConformancePlugin, {
   ReactSyncScriptsConformanceCheck,
 } from './webpack/plugins/webpack-conformance-plugin'
 import { WellKnownErrorsPlugin } from './webpack/plugins/wellknown-errors-plugin'
-
+import FontStylesheetGatheringPlugin from './webpack/plugins/font-stylesheet-gathering-plugin'
 type ExcludesFalse = <T>(x: T | false) => x is T
 
 const isWebpack5 = parseInt(webpack.version!) === 5
@@ -873,6 +873,9 @@ export default async function getBaseWebpackConfig(
         'process.env.__NEXT_REACT_MODE': JSON.stringify(
           config.experimental.reactMode
         ),
+        'process.env.__NEXT_OPTIMIZE_FONTS': JSON.stringify(
+          config.experimental.optimizeFonts
+        ),
         'process.env.__NEXT_SCROLL_RESTORATION': JSON.stringify(
           config.experimental.scrollRestoration
         ),
@@ -978,6 +981,10 @@ export default async function getBaseWebpackConfig(
               inputChunkName.replace(/\.js$/, '.module.js'),
           })
         })(),
+      config.experimental.optimizeFonts &&
+        !dev &&
+        isServer &&
+        new FontStylesheetGatheringPlugin(),
       config.experimental.conformance &&
         !isWebpack5 &&
         !dev &&
diff --git a/packages/next/build/webpack/loaders/next-serverless-loader.ts b/packages/next/build/webpack/loaders/next-serverless-loader.ts
index 400bf0304bf88..aecb0f05ec45a 100644
--- a/packages/next/build/webpack/loaders/next-serverless-loader.ts
+++ b/packages/next/build/webpack/loaders/next-serverless-loader.ts
@@ -6,6 +6,7 @@ import { loader } from 'webpack'
 import { API_ROUTE } from '../../../lib/constants'
 import {
   BUILD_MANIFEST,
+  FONT_MANIFEST,
   REACT_LOADABLE_MANIFEST,
   ROUTES_MANIFEST,
 } from '../../../next-server/lib/constants'
@@ -58,6 +59,10 @@ const nextServerlessLoader: loader.Loader = function () {
     '/'
   )
   const routesManifest = join(distDir, ROUTES_MANIFEST).replace(/\\/g, '/')
+  const fontManifest = join(distDir, 'serverless', FONT_MANIFEST).replace(
+    /\\/g,
+    '/'
+  )
 
   const escapedBuildId = escapeRegexp(buildId)
   const pageIsDynamicRoute = isDynamicRoute(page)
@@ -266,7 +271,7 @@ const nextServerlessLoader: loader.Loader = function () {
     }
     const {parse} = require('url')
     const {parse: parseQs} = require('querystring')
-    const {renderToHTML} = require('next/dist/next-server/server/render');
+    const { renderToHTML } = require('next/dist/next-server/server/render');
     const { tryGetPreviewData } = require('next/dist/next-server/server/api-utils');
     const {sendPayload} = require('next/dist/next-server/server/send-payload');
     const buildManifest = require('${buildManifest}');
@@ -274,6 +279,7 @@ const nextServerlessLoader: loader.Loader = function () {
     const Document = require('${absoluteDocumentPath}').default;
     const Error = require('${absoluteErrorPath}').default;
     const App = require('${absoluteAppPath}').default;
+
     ${dynamicRouteImports}
     ${rewriteImports}
 
@@ -418,6 +424,11 @@ const nextServerlessLoader: loader.Loader = function () {
         const previewData = tryGetPreviewData(req, res, options.previewProps)
         const isPreviewMode = previewData !== false
 
+        if (process.env.__NEXT_OPTIMIZE_FONTS) {
+          renderOpts.optimizeFonts = true
+          renderOpts.fontManifest = require('${fontManifest}')
+          process.env['__NEXT_OPTIMIZE_FONT'+'S'] = true
+        }
         let result = await renderToHTML(req, res, "${page}", Object.assign({}, getStaticProps ? { ...(parsedUrl.query.amp ? { amp: '1' } : {}) } : parsedUrl.query, nowParams ? nowParams : params, _params, isFallback ? { __nextFallback: 'true' } : {}), renderOpts)
 
         if (!renderMode) {
diff --git a/packages/next/build/webpack/plugins/font-stylesheet-gathering-plugin.ts b/packages/next/build/webpack/plugins/font-stylesheet-gathering-plugin.ts
new file mode 100644
index 0000000000000..3e3efba8d2bfb
--- /dev/null
+++ b/packages/next/build/webpack/plugins/font-stylesheet-gathering-plugin.ts
@@ -0,0 +1,141 @@
+// eslint-disable-next-line import/no-extraneous-dependencies
+import { NodePath } from 'ast-types/lib/node-path'
+import { compilation as CompilationType, Compiler } from 'webpack'
+import { namedTypes } from 'ast-types'
+import { RawSource } from 'webpack-sources'
+import {
+  getFontDefinitionFromNetwork,
+  FontManifest,
+} from '../../../next-server/server/font-utils'
+// @ts-ignore
+import BasicEvaluatedExpression from 'webpack/lib/BasicEvaluatedExpression'
+import { OPTIMIZED_FONT_PROVIDERS } from '../../../next-server/lib/constants'
+
+interface VisitorMap {
+  [key: string]: (path: NodePath) => void
+}
+
+export default class FontStylesheetGatheringPlugin {
+  compiler?: Compiler
+  gatheredStylesheets: Array<string> = []
+
+  private parserHandler = (
+    factory: CompilationType.NormalModuleFactory
+  ): void => {
+    const JS_TYPES = ['auto', 'esm', 'dynamic']
+    // Do an extra walk per module and add interested visitors to the walk.
+    for (const type of JS_TYPES) {
+      factory.hooks.parser
+        .for('javascript/' + type)
+        .tap(this.constructor.name, (parser: any) => {
+          /**
+           * Webpack fun facts:
+           * `parser.hooks.call.for` cannot catch calls for user defined identifiers like `__jsx`
+           * it can only detect calls for native objects like `window`, `this`, `eval` etc.
+           * In order to be able to catch calls of variables like `__jsx`, first we need to catch them as
+           * Identifier and then return `BasicEvaluatedExpression` whose `id` and `type` webpack matches to
+           * invoke hook for call.
+           * See: https://github.com/webpack/webpack/blob/webpack-4/lib/Parser.js#L1931-L1932.
+           */
+          parser.hooks.evaluate
+            .for('Identifier')
+            .tap(this.constructor.name, (node: namedTypes.Identifier) => {
+              // We will only optimize fonts from first party code.
+              if (parser?.state?.module?.resource.includes('node_modules')) {
+                return
+              }
+              return node.name === '__jsx'
+                ? new BasicEvaluatedExpression()
+                    //@ts-ignore
+                    .setRange(node.range)
+                    .setExpression(node)
+                    .setIdentifier('__jsx')
+                : undefined
+            })
+
+          parser.hooks.call
+            .for('__jsx')
+            .tap(this.constructor.name, (node: namedTypes.CallExpression) => {
+              if (node.arguments.length !== 2) {
+                // A font link tag has only two arguments rel=stylesheet and href='...'
+                return
+              }
+              if (!isNodeCreatingLinkElement(node)) {
+                return
+              }
+
+              // node.arguments[0] is the name of the tag and [1] are the props.
+              const propsNode = node.arguments[1] as namedTypes.ObjectExpression
+              const props: { [key: string]: string } = {}
+              propsNode.properties.forEach((prop) => {
+                if (prop.type !== 'Property') {
+                  return
+                }
+                if (
+                  prop.key.type === 'Identifier' &&
+                  prop.value.type === 'Literal'
+                ) {
+                  props[prop.key.name] = prop.value.value as string
+                }
+              })
+              if (
+                !props.rel ||
+                props.rel !== 'stylesheet' ||
+                !props.href ||
+                !OPTIMIZED_FONT_PROVIDERS.some((url) =>
+                  props.href.startsWith(url)
+                )
+              ) {
+                return false
+              }
+
+              this.gatheredStylesheets.push(props.href)
+            })
+        })
+    }
+  }
+
+  public apply(compiler: Compiler) {
+    this.compiler = compiler
+    compiler.hooks.normalModuleFactory.tap(
+      this.constructor.name,
+      this.parserHandler
+    )
+    compiler.hooks.make.tapAsync(this.constructor.name, (compilation, cb) => {
+      compilation.hooks.finishModules.tapAsync(
+        this.constructor.name,
+        async (_: any, modulesFinished: Function) => {
+          const fontDefinitionPromises = this.gatheredStylesheets.map((url) =>
+            getFontDefinitionFromNetwork(url)
+          )
+          let manifestContent: FontManifest = []
+
+          for (let promiseIndex in fontDefinitionPromises) {
+            manifestContent.push({
+              url: this.gatheredStylesheets[promiseIndex],
+              content: await fontDefinitionPromises[promiseIndex],
+            })
+          }
+          compilation.assets['font-manifest.json'] = new RawSource(
+            JSON.stringify(manifestContent, null, '  ')
+          )
+          modulesFinished()
+        }
+      )
+      cb()
+    })
+  }
+}
+
+function isNodeCreatingLinkElement(node: namedTypes.CallExpression) {
+  const callee = node.callee as namedTypes.Identifier
+  if (callee.type !== 'Identifier') {
+    return false
+  }
+  const componentNode = node.arguments[0] as namedTypes.Literal
+  if (componentNode.type !== 'Literal') {
+    return false
+  }
+  // Next has pragma: __jsx.
+  return callee.name === '__jsx' && componentNode.value === 'link'
+}
diff --git a/packages/next/export/index.ts b/packages/next/export/index.ts
index 23d40b0ba0bb7..93cbac6986dfd 100644
--- a/packages/next/export/index.ts
+++ b/packages/next/export/index.ts
@@ -388,6 +388,7 @@ export default async function exportApp(
         subFolders,
         buildExport: options.buildExport,
         serverless: isTargetLikeServerless(nextConfig.target),
+        optimizeFonts: nextConfig.experimental.optimizeFonts,
       })
 
       for (const validation of result.ampValidations || []) {
diff --git a/packages/next/export/worker.ts b/packages/next/export/worker.ts
index f8159e3b44717..5c600e79b0b20 100644
--- a/packages/next/export/worker.ts
+++ b/packages/next/export/worker.ts
@@ -13,6 +13,8 @@ import 'next/dist/next-server/server/node-polyfill-fetch'
 import { IncomingMessage, ServerResponse } from 'http'
 import { ComponentType } from 'react'
 import { GetStaticProps } from '../types'
+import { requireFontManifest } from '../next-server/server/require'
+import { FontManifest } from '../next-server/server/font-utils'
 
 const envConfig = require('../next-server/lib/runtime-config')
 
@@ -44,6 +46,7 @@ interface ExportPageInput {
   serverRuntimeConfig: string
   subFolders: string
   serverless: boolean
+  optimizeFonts: boolean
 }
 
 interface ExportPageResults {
@@ -60,6 +63,8 @@ interface RenderOpts {
   ampSkipValidation?: boolean
   hybridAmp?: boolean
   inAmpMode?: boolean
+  optimizeFonts?: boolean
+  fontManifest?: FontManifest
 }
 
 type ComponentModule = ComponentType<{}> & {
@@ -78,6 +83,7 @@ export default async function exportPage({
   serverRuntimeConfig,
   subFolders,
   serverless,
+  optimizeFonts,
 }: ExportPageInput): Promise<ExportPageResults> {
   let results: ExportPageResults = {
     ampValidations: [],
@@ -211,7 +217,14 @@ export default async function exportPage({
           req,
           res,
           'export',
-          { ampPath },
+          {
+            ampPath,
+            /// @ts-ignore
+            optimizeFonts,
+            fontManifest: optimizeFonts
+              ? requireFontManifest(distDir, serverless)
+              : null,
+          },
           // @ts-ignore
           params
         )
@@ -246,7 +259,25 @@ export default async function exportPage({
         html = components.Component
         queryWithAutoExportWarn()
       } else {
-        curRenderOpts = { ...components, ...renderOpts, ampPath, params }
+        /**
+         * This sets environment variable to be used at the time of static export by head.tsx.
+         * Using this from process.env allows targetting both serverless and SSR by calling
+         * `process.env.__NEXT_OPTIMIZE_FONTS`.
+         * TODO(prateekbh@): Remove this when experimental.optimizeFonts are being clened up.
+         */
+        if (optimizeFonts) {
+          process.env.__NEXT_OPTIMIZE_FONTS = JSON.stringify(true)
+        }
+        curRenderOpts = {
+          ...components,
+          ...renderOpts,
+          ampPath,
+          params,
+          optimizeFonts,
+          fontManifest: optimizeFonts
+            ? requireFontManifest(distDir, serverless)
+            : null,
+        }
         // @ts-ignore
         html = await renderMethod(req, res, page, query, curRenderOpts)
       }
diff --git a/packages/next/next-server/lib/constants.ts b/packages/next/next-server/lib/constants.ts
index 86cbd01ba1367..665fc9b24f4ac 100644
--- a/packages/next/next-server/lib/constants.ts
+++ b/packages/next/next-server/lib/constants.ts
@@ -9,6 +9,7 @@ export const EXPORT_DETAIL = 'export-detail.json'
 export const PRERENDER_MANIFEST = 'prerender-manifest.json'
 export const ROUTES_MANIFEST = 'routes-manifest.json'
 export const REACT_LOADABLE_MANIFEST = 'react-loadable-manifest.json'
+export const FONT_MANIFEST = 'font-manifest.json'
 export const SERVER_DIRECTORY = 'server'
 export const SERVERLESS_DIRECTORY = 'serverless'
 export const CONFIG_FILE = 'next.config.js'
@@ -33,3 +34,4 @@ export const TEMPORARY_REDIRECT_STATUS = 307
 export const PERMANENT_REDIRECT_STATUS = 308
 export const STATIC_PROPS_ID = '__N_SSG'
 export const SERVER_PROPS_ID = '__N_SSP'
+export const OPTIMIZED_FONT_PROVIDERS = ['https://fonts.googleapis.com/css']
diff --git a/packages/next/next-server/lib/head.tsx b/packages/next/next-server/lib/head.tsx
index 4b03b2fc05847..0161711ccbc6b 100644
--- a/packages/next/next-server/lib/head.tsx
+++ b/packages/next/next-server/lib/head.tsx
@@ -136,6 +136,21 @@ function reduceComponents(
     .reverse()
     .map((c: React.ReactElement<any>, i: number) => {
       const key = c.key || i
+      if (process.env.__NEXT_OPTIMIZE_FONTS) {
+        if (
+          c.type === 'link' &&
+          c.props['href'] &&
+          // TODO(prateekbh@): Replace this with const from `constants` when the tree shaking works.
+          ['https://fonts.googleapis.com/css'].some((url) =>
+            c.props['href'].startsWith(url)
+          )
+        ) {
+          const newProps = { ...(c.props || {}) }
+          newProps['data-href'] = newProps['href']
+          newProps['href'] = undefined
+          return React.cloneElement(c, newProps)
+        }
+      }
       return React.cloneElement(c, { key })
     })
 }
diff --git a/packages/next/next-server/lib/post-process.ts b/packages/next/next-server/lib/post-process.ts
new file mode 100644
index 0000000000000..3c45f2383a3c3
--- /dev/null
+++ b/packages/next/next-server/lib/post-process.ts
@@ -0,0 +1,161 @@
+import { parse, HTMLElement } from 'node-html-parser'
+import { OPTIMIZED_FONT_PROVIDERS } from './constants'
+
+const MIDDLEWARE_TIME_BUDGET = 10
+
+type postProcessOptions = {
+  optimizeFonts: boolean
+}
+
+type renderOptions = {
+  getFontDefinition?: (url: string) => string
+}
+
+type postProcessData = {
+  preloads: {
+    images: Array<string>
+  }
+}
+
+interface PostProcessMiddleware {
+  inspect: (
+    originalDom: HTMLElement,
+    data: postProcessData,
+    options: renderOptions
+  ) => void
+  mutate: (
+    markup: string,
+    data: postProcessData,
+    options: renderOptions
+  ) => Promise<string>
+}
+
+type middlewareSignature = {
+  name: string
+  middleware: PostProcessMiddleware
+  condition: ((options: postProcessOptions) => boolean) | null
+}
+
+const middlewareRegistry: Array<middlewareSignature> = []
+
+function registerPostProcessor(
+  name: string,
+  middleware: PostProcessMiddleware,
+  condition?: (options: postProcessOptions) => boolean
+) {
+  middlewareRegistry.push({ name, middleware, condition: condition || null })
+}
+
+async function processHTML(
+  html: string,
+  data: renderOptions,
+  options: postProcessOptions
+): Promise<string> {
+  // Don't parse unless there's at least one processor middleware
+  if (!middlewareRegistry[0]) {
+    return html
+  }
+  const postProcessData: postProcessData = {
+    preloads: {
+      images: [],
+    },
+  }
+  const root: HTMLElement = parse(html)
+  let document = html
+  // Calls the middleware, with some instrumentation and logging
+  async function callMiddleWare(
+    middleware: PostProcessMiddleware,
+    name: string
+  ) {
+    let timer = Date.now()
+    middleware.inspect(root, postProcessData, data)
+    const inspectTime = Date.now() - timer
+    document = await middleware.mutate(document, postProcessData, data)
+    timer = Date.now() - timer
+    if (timer > MIDDLEWARE_TIME_BUDGET) {
+      console.warn(
+        `The postprocess middleware "${name}" took ${timer}ms(${inspectTime}, ${
+          timer - inspectTime
+        }) to complete. This is longer than the ${MIDDLEWARE_TIME_BUDGET} limit.`
+      )
+    }
+    return
+  }
+
+  for (let i = 0; i < middlewareRegistry.length; i++) {
+    let middleware = middlewareRegistry[i]
+    if (!middleware.condition || middleware.condition(options)) {
+      await callMiddleWare(
+        middlewareRegistry[i].middleware,
+        middlewareRegistry[i].name
+      )
+    }
+  }
+
+  return document
+}
+
+class FontOptimizerMiddleware implements PostProcessMiddleware {
+  fontDefinitions: Array<string> = []
+  inspect(
+    originalDom: HTMLElement,
+    _data: postProcessData,
+    options: renderOptions
+  ) {
+    if (!options.getFontDefinition) {
+      return
+    }
+    // collecting all the requested font definitions
+    originalDom
+      .querySelectorAll('link')
+      .filter(
+        (tag: HTMLElement) =>
+          tag.getAttribute('rel') === 'stylesheet' &&
+          tag.hasAttribute('data-href') &&
+          OPTIMIZED_FONT_PROVIDERS.some((url) =>
+            tag.getAttribute('data-href').startsWith(url)
+          )
+      )
+      .forEach((element: HTMLElement) => {
+        const url = element.getAttribute('data-href')
+        this.fontDefinitions.push(url)
+      })
+  }
+  mutate = async (
+    markup: string,
+    _data: postProcessData,
+    options: renderOptions
+  ) => {
+    let result = markup
+    if (!options.getFontDefinition) {
+      return markup
+    }
+    for (const key in this.fontDefinitions) {
+      const url = this.fontDefinitions[key]
+      if (result.indexOf(`<style data-href="${url}">`) > -1) {
+        // The font is already optimized and probably the response is cached
+        continue
+      }
+      const fontContent = options.getFontDefinition(url)
+      result = result.replace(
+        '</head>',
+        `<style data-href="${url}">${fontContent.replace(
+          /(\n|\s)/g,
+          ''
+        )}</style></head>`
+      )
+    }
+    return result
+  }
+}
+
+// Initialization
+registerPostProcessor(
+  'Inline-Fonts',
+  new FontOptimizerMiddleware(),
+  // Using process.env because passing Experimental flag through loader is not possible.
+  // @ts-ignore
+  (options) => options.optimizeFonts || process.env.__NEXT_OPTIMIZE_FONTS
+)
+
+export default processHTML
diff --git a/packages/next/next-server/server/config.ts b/packages/next/next-server/server/config.ts
index 005295dc092dc..eed6e1ea2d8ee 100644
--- a/packages/next/next-server/server/config.ts
+++ b/packages/next/next-server/server/config.ts
@@ -52,6 +52,7 @@ const defaultConfig: { [key: string]: any } = {
     workerThreads: false,
     pageEnv: false,
     productionBrowserSourceMaps: false,
+    optimizeFonts: false,
     scrollRestoration: false,
   },
   future: {
diff --git a/packages/next/next-server/server/font-utils.ts b/packages/next/next-server/server/font-utils.ts
new file mode 100644
index 0000000000000..6120ff10be27b
--- /dev/null
+++ b/packages/next/next-server/server/font-utils.ts
@@ -0,0 +1,59 @@
+const https = require('https')
+
+const CHROME_UA =
+  'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36'
+const IE_UA = 'Mozilla/5.0 (Windows NT 10.0; Trident/7.0; rv:11.0) like Gecko'
+
+export type FontManifest = Array<{
+  url: string
+  content: string
+}>
+
+function getFontForUA(url: string, UA: string): Promise<String> {
+  return new Promise((resolve) => {
+    let rawData: any = ''
+    https.get(
+      url,
+      {
+        headers: {
+          'user-agent': UA,
+        },
+      },
+      (res: any) => {
+        res.on('data', (chunk: any) => {
+          rawData += chunk
+        })
+        res.on('end', () => {
+          resolve(rawData.toString('utf8'))
+        })
+      }
+    )
+  })
+}
+
+export async function getFontDefinitionFromNetwork(
+  url: string
+): Promise<string> {
+  let result = ''
+  /**
+   * The order of IE -> Chrome is important, other wise chrome starts loading woff1.
+   * CSS cascading 🤷‍♂️.
+   */
+  result += await getFontForUA(url, IE_UA)
+  result += await getFontForUA(url, CHROME_UA)
+  return result
+}
+
+export function getFontDefinitionFromManifest(
+  url: string,
+  manifest: FontManifest
+): string {
+  return (
+    manifest.find((font) => {
+      if (font && font.url === url) {
+        return true
+      }
+      return false
+    })?.content || ''
+  )
+}
diff --git a/packages/next/next-server/server/next-server.ts b/packages/next/next-server/server/next-server.ts
index ce5005bd6c1d7..3ec96ccf5f1bb 100644
--- a/packages/next/next-server/server/next-server.ts
+++ b/packages/next/next-server/server/next-server.ts
@@ -43,7 +43,7 @@ import { recursiveReadDirSync } from './lib/recursive-readdir-sync'
 import { loadComponents, LoadComponentsReturnType } from './load-components'
 import { normalizePagePath } from './normalize-page-path'
 import { RenderOpts, RenderOptsPartial, renderToHTML } from './render'
-import { getPagePath } from './require'
+import { getPagePath, requireFontManifest } from './require'
 import Router, {
   DynamicRoutes,
   PageChecker,
@@ -63,6 +63,7 @@ import './node-polyfill-fetch'
 import { PagesManifest } from '../../build/webpack/plugins/pages-manifest-plugin'
 import { removePathTrailingSlash } from '../../client/normalize-trailing-slash'
 import getRouteFromAssetPath from '../lib/router/utils/get-route-from-asset-path'
+import { FontManifest } from './font-utils'
 
 const getCustomRouteMatcher = pathMatch(true)
 
@@ -119,6 +120,8 @@ export default class Server {
     customServer?: boolean
     ampOptimizerConfig?: { [key: string]: any }
     basePath: string
+    optimizeFonts: boolean
+    fontManifest: FontManifest
   }
   private compression?: Middleware
   private onErrorMiddleware?: ({ err }: { err: Error }) => Promise<void>
@@ -165,6 +168,10 @@ export default class Server {
       customServer: customServer === true ? true : undefined,
       ampOptimizerConfig: this.nextConfig.experimental.amp?.optimizer,
       basePath: this.nextConfig.basePath,
+      optimizeFonts: this.nextConfig.experimental.optimizeFonts,
+      fontManifest: this.nextConfig.experimental.optimizeFonts
+        ? requireFontManifest(this.distDir, this._isLikeServerless)
+        : null,
     }
 
     // Only the `publicRuntimeConfig` key is exposed to the client side
@@ -219,6 +226,16 @@ export default class Server {
       ),
       flushToDisk: this.nextConfig.experimental.sprFlushToDisk,
     })
+
+    /**
+     * This sets environment variable to be used at the time of SSR by head.tsx.
+     * Using this from process.env allows targetting both serverless and SSR by calling
+     * `process.env.__NEXT_OPTIMIZE_FONTS`.
+     * TODO(prateekbh@): Remove this when experimental.optimizeFonts are being clened up.
+     */
+    if (this.renderOpts.optimizeFonts) {
+      process.env.__NEXT_OPTIMIZE_FONTS = JSON.stringify(true)
+    }
   }
 
   protected currentPhase(): string {
@@ -1044,7 +1061,10 @@ export default class Server {
           renderResult = await (components.Component as any).renderReqToHTML(
             req,
             res,
-            'passthrough'
+            'passthrough',
+            {
+              fontManifest: this.renderOpts.fontManifest,
+            }
           )
 
           html = renderResult.html
diff --git a/packages/next/next-server/server/render.tsx b/packages/next/next-server/server/render.tsx
index ae89757548525..61debbceb48bb 100644
--- a/packages/next/next-server/server/render.tsx
+++ b/packages/next/next-server/server/render.tsx
@@ -45,6 +45,8 @@ import { tryGetPreviewData, __ApiPreviewProps } from './api-utils'
 import { getPageFiles } from './get-page-files'
 import { LoadComponentsReturnType, ManifestItem } from './load-components'
 import optimizeAmp from './optimize-amp'
+import postProcess from '../lib/post-process'
+import { FontManifest, getFontDefinitionFromManifest } from './font-utils'
 
 function noRouter() {
   const message =
@@ -143,6 +145,8 @@ export type RenderOptsPartial = {
   previewProps: __ApiPreviewProps
   basePath: string
   unstable_runtimeJS?: false
+  optimizeFonts: boolean
+  fontManifest?: FontManifest
 }
 
 export type RenderOpts = LoadComponentsReturnType & RenderOptsPartial
@@ -269,6 +273,7 @@ export async function renderToHTML(
     pageConfig = {},
     Component,
     buildManifest,
+    fontManifest,
     reactLoadableManifest,
     ErrorDebug,
     getStaticProps,
@@ -280,6 +285,13 @@ export async function renderToHTML(
     basePath,
   } = renderOpts
 
+  const getFontDefinition = (url: string): string => {
+    if (fontManifest) {
+      return getFontDefinitionFromManifest(url, fontManifest)
+    }
+    return ''
+  }
+
   const callMiddleware = async (method: string, args: any[], props = false) => {
     let results: any = props ? {} : []
 
@@ -781,6 +793,16 @@ export async function renderToHTML(
     }
   }
 
+  html = await postProcess(
+    html,
+    {
+      getFontDefinition,
+    },
+    {
+      optimizeFonts: renderOpts.optimizeFonts,
+    }
+  )
+
   if (inAmpMode || hybridAmp) {
     // fix &amp being escaped for amphtml rel link
     html = html.replace(/&amp;amp=1/g, '&amp=1')
diff --git a/packages/next/next-server/server/require.ts b/packages/next/next-server/server/require.ts
index 5e59f15d0167e..28fca96a2cbc0 100644
--- a/packages/next/next-server/server/require.ts
+++ b/packages/next/next-server/server/require.ts
@@ -4,6 +4,7 @@ import {
   PAGES_MANIFEST,
   SERVER_DIRECTORY,
   SERVERLESS_DIRECTORY,
+  FONT_MANIFEST,
 } from '../lib/constants'
 import { normalizePagePath, denormalizePagePath } from './normalize-page-path'
 import { PagesManifest } from '../../build/webpack/plugins/pages-manifest-plugin'
@@ -54,3 +55,12 @@ export function requirePage(
   }
   return require(pagePath)
 }
+
+export function requireFontManifest(distDir: string, serverless: boolean) {
+  const serverBuildPath = join(
+    distDir,
+    serverless ? SERVERLESS_DIRECTORY : SERVER_DIRECTORY
+  )
+  const fontManifest = require(join(serverBuildPath, FONT_MANIFEST))
+  return fontManifest
+}
diff --git a/packages/next/package.json b/packages/next/package.json
index a6de2b01bf0ba..0b15314cb8654 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -78,6 +78,7 @@
     "@babel/types": "7.9.6",
     "@next/react-dev-overlay": "9.5.0",
     "@next/react-refresh-utils": "9.5.0",
+    "ast-types": "0.13.2",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
     "babel-plugin-transform-react-remove-prop-types": "0.4.24",
@@ -94,6 +95,7 @@
     "mkdirp": "0.5.3",
     "native-url": "0.3.4",
     "neo-async": "2.6.1",
+    "node-html-parser": "^1.2.19",
     "pnp-webpack-plugin": "1.6.4",
     "postcss": "7.0.32",
     "process": "0.11.10",
@@ -155,7 +157,6 @@
     "@zeit/ncc": "0.22.0",
     "amphtml-validator": "1.0.31",
     "arg": "4.1.0",
-    "ast-types": "0.13.2",
     "async-retry": "1.2.3",
     "async-sema": "3.0.0",
     "babel-loader": "8.1.0",
diff --git a/packages/next/pages/_document.tsx b/packages/next/pages/_document.tsx
index dfb3f391b9974..f2016166521c1 100644
--- a/packages/next/pages/_document.tsx
+++ b/packages/next/pages/_document.tsx
@@ -1,7 +1,10 @@
 import PropTypes from 'prop-types'
-import React, { useContext, Component } from 'react'
+import React, { useContext, Component, ReactNode } from 'react'
 import flush from 'styled-jsx/server'
-import { AMP_RENDER_TARGET } from '../next-server/lib/constants'
+import {
+  AMP_RENDER_TARGET,
+  OPTIMIZED_FONT_PROVIDERS,
+} from '../next-server/lib/constants'
 import { DocumentContext as DocumentComponentContext } from '../next-server/lib/document-context'
 import {
   DocumentContext,
@@ -236,6 +239,24 @@ export class Head extends Component<
         ))
   }
 
+  makeStylesheetInert(node: ReactNode): ReactNode {
+    return React.Children.map(node, (c: any) => {
+      if (
+        c.type === 'link' &&
+        c.props['href'] &&
+        OPTIMIZED_FONT_PROVIDERS.some((url) => c.props['href'].startsWith(url))
+      ) {
+        const newProps = { ...(c.props || {}) }
+        newProps['data-href'] = newProps['href']
+        newProps['href'] = undefined
+        return React.cloneElement(c, newProps)
+      } else if (c.props && c.props['children']) {
+        c.props['children'] = this.makeStylesheetInert(c.props['children'])
+      }
+      return c
+    })
+  }
+
   render() {
     const {
       styles,
@@ -278,6 +299,10 @@ export class Head extends Component<
         )
     }
 
+    if (process.env.__NEXT_OPTIMIZE_FONTS) {
+      children = this.makeStylesheetInert(children)
+    }
+
     let hasAmphtmlRel = false
     let hasCanonicalRel = false
 
@@ -285,7 +310,6 @@ export class Head extends Component<
     head = React.Children.map(head || [], (child) => {
       if (!child) return child
       const { type, props } = child
-
       if (inAmpMode) {
         let badProp: string = ''
 
@@ -435,7 +459,9 @@ export class Head extends Component<
                 href={canonicalBase + getAmpPath(ampPath, dangerousAsPath)}
               />
             )}
-            {this.getCssLinks()}
+            {process.env.__NEXT_OPTIMIZE_FONTS
+              ? this.makeStylesheetInert(this.getCssLinks())
+              : this.getCssLinks()}
             {!disableRuntimeJS && this.getPreloadDynamicChunks()}
             {!disableRuntimeJS && this.getPreloadMainLinks()}
             {this.context._documentProps.isDevelopment && (
diff --git a/test/integration/build-output/test/index.test.js b/test/integration/build-output/test/index.test.js
index fb864ecf43991..2b4f1738042b6 100644
--- a/test/integration/build-output/test/index.test.js
+++ b/test/integration/build-output/test/index.test.js
@@ -98,7 +98,7 @@ describe('Build Output', () => {
       expect(parseFloat(indexFirstLoad) - 60).toBeLessThanOrEqual(0)
       expect(indexFirstLoad.endsWith('kB')).toBe(true)
 
-      expect(parseFloat(err404Size) - 3.4).toBeLessThanOrEqual(0)
+      expect(parseFloat(err404Size) - 3.6).toBeLessThanOrEqual(0)
       expect(err404Size.endsWith('kB')).toBe(true)
 
       expect(parseFloat(err404FirstLoad) - 63).toBeLessThanOrEqual(0)
diff --git a/test/integration/font-optimization/pages/_document.js b/test/integration/font-optimization/pages/_document.js
new file mode 100644
index 0000000000000..59d8fe75cd4c4
--- /dev/null
+++ b/test/integration/font-optimization/pages/_document.js
@@ -0,0 +1,30 @@
+import * as React from 'react'
+/// @ts-ignore
+import Document, { Main, NextScript, Head } from 'next/document'
+
+export default class MyDocument extends Document {
+  constructor(props) {
+    super(props)
+    const { __NEXT_DATA__, ids } = props
+    if (ids) {
+      __NEXT_DATA__.ids = ids
+    }
+  }
+
+  render() {
+    return (
+      <html>
+        <Head>
+          <link
+            rel="stylesheet"
+            href="https://fonts.googleapis.com/css?family=Voces"
+          />
+        </Head>
+        <body>
+          <Main />
+          <NextScript />
+        </body>
+      </html>
+    )
+  }
+}
diff --git a/test/integration/font-optimization/pages/index.js b/test/integration/font-optimization/pages/index.js
new file mode 100644
index 0000000000000..39cf2d1f7b376
--- /dev/null
+++ b/test/integration/font-optimization/pages/index.js
@@ -0,0 +1,7 @@
+import React from 'react'
+
+const Page = () => {
+  return <div>Hi!</div>
+}
+
+export default Page
diff --git a/test/integration/font-optimization/pages/stars.js b/test/integration/font-optimization/pages/stars.js
new file mode 100644
index 0000000000000..d38e96c4ea4f7
--- /dev/null
+++ b/test/integration/font-optimization/pages/stars.js
@@ -0,0 +1,26 @@
+import Head from 'next/head'
+
+function Home({ stars }) {
+  return (
+    <div className="container">
+      <Head>
+        <title>Create Next App</title>
+        <link rel="icon" href="/favicon.ico" />
+        <link
+          rel="stylesheet"
+          href="https://fonts.googleapis.com/css2?family=Roboto:wght@700"
+        ></link>
+      </Head>
+
+      <main>
+        <div>Next stars: {stars}</div>
+      </main>
+    </div>
+  )
+}
+
+Home.getInitialProps = async () => {
+  return { stars: Math.random() * 1000 }
+}
+
+export default Home
diff --git a/test/integration/font-optimization/pages/static-head.js b/test/integration/font-optimization/pages/static-head.js
new file mode 100644
index 0000000000000..f56ef406776c3
--- /dev/null
+++ b/test/integration/font-optimization/pages/static-head.js
@@ -0,0 +1,18 @@
+import React from 'react'
+import Head from 'next/head'
+
+const Page = () => {
+  return (
+    <>
+      <Head>
+        <link
+          href="https://fonts.googleapis.com/css2?family=Modak"
+          rel="stylesheet"
+        />
+      </Head>
+      <div>Hi!</div>
+    </>
+  )
+}
+
+export default Page
diff --git a/test/integration/font-optimization/server.js b/test/integration/font-optimization/server.js
new file mode 100644
index 0000000000000..6a98fa3d30806
--- /dev/null
+++ b/test/integration/font-optimization/server.js
@@ -0,0 +1,111 @@
+const http = require('http')
+const url = require('url')
+const fs = require('fs')
+const path = require('path')
+const server = http.createServer(async (req, res) => {
+  let { pathname } = url.parse(req.url)
+  pathname = pathname.replace(/\/$/, '')
+  let isDataReq = false
+  if (pathname.startsWith('/_next/data')) {
+    isDataReq = true
+    pathname = pathname
+      .replace(`/_next/data/${process.env.BUILD_ID}/`, '/')
+      .replace(/\.json$/, '')
+  }
+  console.log('serving', pathname)
+
+  if (pathname === '/favicon.ico') {
+    res.statusCode = 404
+    return res.end()
+  }
+
+  if (pathname.startsWith('/_next/static/')) {
+    res.write(
+      fs.readFileSync(
+        path.join(
+          __dirname,
+          './.next/static/',
+          decodeURI(pathname.slice('/_next/static/'.length))
+        ),
+        'utf8'
+      )
+    )
+    return res.end()
+  } else {
+    const ext = isDataReq ? 'json' : 'html'
+    if (
+      fs.existsSync(
+        path.join(__dirname, `./.next/serverless/pages${pathname}.${ext}`)
+      )
+    ) {
+      res.write(
+        fs.readFileSync(
+          path.join(__dirname, `./.next/serverless/pages${pathname}.${ext}`),
+          'utf8'
+        )
+      )
+      return res.end()
+    }
+
+    let re
+    try {
+      re = require(`./.next/serverless/pages${pathname}`)
+    } catch {
+      const d = decodeURI(pathname)
+      if (
+        fs.existsSync(
+          path.join(__dirname, `./.next/serverless/pages${d}.${ext}`)
+        )
+      ) {
+        res.write(
+          fs.readFileSync(
+            path.join(__dirname, `./.next/serverless/pages${d}.${ext}`),
+            'utf8'
+          )
+        )
+        return res.end()
+      }
+
+      const routesManifest = require('./.next/routes-manifest.json')
+      const { dynamicRoutes } = routesManifest
+      dynamicRoutes.some(({ page, regex }) => {
+        if (new RegExp(regex).test(pathname)) {
+          if (
+            fs.existsSync(
+              path.join(__dirname, `./.next/serverless/pages${page}.${ext}`)
+            )
+          ) {
+            res.write(
+              fs.readFileSync(
+                path.join(__dirname, `./.next/serverless/pages${page}.${ext}`),
+                'utf8'
+              )
+            )
+            res.end()
+            return true
+          }
+
+          re = require(`./.next/serverless/pages${page}`)
+          return true
+        }
+        return false
+      })
+    }
+    if (!res.finished) {
+      try {
+        return await (typeof re.render === 'function'
+          ? re.render(req, res)
+          : re.default(req, res))
+      } catch (e) {
+        console.log('FAIL_FUNCTION', e)
+        res.statusCode = 500
+        res.write('FAIL_FUNCTION')
+        res.end()
+      }
+    }
+  }
+})
+
+server.listen(process.env.PORT, () => {
+  console.log('ready on', process.env.PORT)
+})
diff --git a/test/integration/font-optimization/test/index.test.js b/test/integration/font-optimization/test/index.test.js
new file mode 100644
index 0000000000000..49d66ee869f88
--- /dev/null
+++ b/test/integration/font-optimization/test/index.test.js
@@ -0,0 +1,129 @@
+/* eslint-env jest */
+
+import { join } from 'path'
+import {
+  killApp,
+  findPort,
+  nextStart,
+  nextBuild,
+  renderViaHTTP,
+  initNextServerScript,
+} from 'next-test-utils'
+import fs from 'fs-extra'
+
+jest.setTimeout(1000 * 30)
+
+const appDir = join(__dirname, '../')
+const nextConfig = join(appDir, 'next.config.js')
+let builtServerPagesDir
+let builtPage
+let appPort
+let app
+
+const fsExists = (file) =>
+  fs
+    .access(file)
+    .then(() => true)
+    .catch(() => false)
+
+async function getBuildId() {
+  return fs.readFile(join(appDir, '.next', 'BUILD_ID'), 'utf8')
+}
+
+const startServerlessEmulator = async (dir, port) => {
+  const scriptPath = join(dir, 'server.js')
+  const env = Object.assign(
+    {},
+    { ...process.env },
+    { PORT: port, BUILD_ID: await getBuildId() }
+  )
+  return initNextServerScript(scriptPath, /ready on/i, env)
+}
+
+function runTests() {
+  it('should inline the google fonts for static pages', async () => {
+    const html = await renderViaHTTP(appPort, '/index')
+    expect(await fsExists(builtPage('font-manifest.json'))).toBe(true)
+    expect(html).toContain(
+      '<link rel="stylesheet" data-href="https://fonts.googleapis.com/css?family=Voces"/>'
+    )
+    expect(html).toMatch(
+      /<style data-href="https:\/\/fonts\.googleapis\.com\/css\?family=Voces">.*<\/style>/
+    )
+  })
+
+  it('should inline the google fonts for static pages with Next/Head', async () => {
+    const html = await renderViaHTTP(appPort, '/static-head')
+    expect(await fsExists(builtPage('font-manifest.json'))).toBe(true)
+    expect(html).toContain(
+      '<link rel="stylesheet" data-href="https://fonts.googleapis.com/css2?family=Modak"/>'
+    )
+    expect(html).toMatch(
+      /<style data-href="https:\/\/fonts\.googleapis\.com\/css2\?family=Modak">.*<\/style>/
+    )
+  })
+
+  it('should inline the google fonts for SSR pages', async () => {
+    const html = await renderViaHTTP(appPort, '/stars')
+    expect(await fsExists(builtPage('font-manifest.json'))).toBe(true)
+    expect(html).toContain(
+      '<link rel="stylesheet" data-href="https://fonts.googleapis.com/css2?family=Roboto:wght@700"/>'
+    )
+    expect(html).toMatch(
+      /<style data-href="https:\/\/fonts\.googleapis\.com\/css2\?family=Roboto:wght@700">.*<\/style>/
+    )
+  })
+}
+
+describe('Font optimization for SSR apps', () => {
+  beforeAll(async () => {
+    await fs.writeFile(
+      nextConfig,
+      `module.exports = { experimental: {optimizeFonts: true} }`,
+      'utf8'
+    )
+    await nextBuild(appDir)
+    appPort = await findPort()
+    app = await nextStart(appDir, appPort)
+    builtServerPagesDir = join(appDir, '.next', 'server')
+    builtPage = (file) => join(builtServerPagesDir, file)
+  })
+  afterAll(() => killApp(app))
+  runTests()
+})
+
+describe('Font optimization for serverless apps', () => {
+  beforeAll(async () => {
+    await fs.writeFile(
+      nextConfig,
+      `module.exports = { target: 'serverless', experimental: {optimizeFonts: true} }`,
+      'utf8'
+    )
+    await nextBuild(appDir)
+    appPort = await findPort()
+    app = await nextStart(appDir, appPort)
+    builtServerPagesDir = join(appDir, '.next', 'serverless')
+    builtPage = (file) => join(builtServerPagesDir, file)
+  })
+  afterAll(() => killApp(app))
+  runTests()
+})
+
+describe('Font optimization for emulated serverless apps', () => {
+  beforeAll(async () => {
+    await fs.writeFile(
+      nextConfig,
+      `module.exports = { target: 'experimental-serverless-trace', experimental: {optimizeFonts: true} }`,
+      'utf8'
+    )
+    await nextBuild(appDir)
+    appPort = await findPort()
+    await startServerlessEmulator(appDir, appPort)
+    builtServerPagesDir = join(appDir, '.next', 'serverless')
+    builtPage = (file) => join(builtServerPagesDir, file)
+  })
+  afterAll(async () => {
+    await fs.remove(nextConfig)
+  })
+  runTests()
+})
diff --git a/yarn.lock b/yarn.lock
index b4aded28c727e..dada25febe687 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7797,6 +7797,11 @@ hawk@~6.0.2:
     hoek "4.x.x"
     sntp "2.x.x"
 
+he@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
+  integrity sha1-k0EP0hsAlzUVH4howvJx80J+I/0=
+
 header-case@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/header-case/-/header-case-1.0.1.tgz#9535973197c144b09613cd65d317ef19963bd02d"
@@ -10826,6 +10831,13 @@ node-gyp@^4.0.0:
     tar "^4.4.8"
     which "1"
 
+node-html-parser@^1.2.19:
+  version "1.2.19"
+  resolved "https://registry.yarnpkg.com/node-html-parser/-/node-html-parser-1.2.19.tgz#2cb14ce7981dfe2c0f5af53cf8654a3d49cded7d"
+  integrity sha512-MQvBz+qk7SbqNPp0c7hR0F8lRTPXK5n2tww4eFmXf+cXp5hZHtL5rJHlAWlcjzRep+T5Pd5lz3lqFgN7IFYEiw==
+  dependencies:
+    he "1.1.1"
+
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"

From edbb32cac9106ce9ae403265f894d9ebdddbe873 Mon Sep 17 00:00:00 2001
From: Arsalan Khattak <37709578+eKhattak@users.noreply.github.com>
Date: Tue, 28 Jul 2020 16:13:44 +0500
Subject: [PATCH 34/90] Next.js prefetching should use requestIdleCallback
 (#14580)

---
 packages/next/client/page-loader.js | 29 ++++++++++++++++++-----------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/packages/next/client/page-loader.js b/packages/next/client/page-loader.js
index ab00bf6924004..4bdbd91354285 100644
--- a/packages/next/client/page-loader.js
+++ b/packages/next/client/page-loader.js
@@ -31,6 +31,12 @@ const relPrefetch =
 
 const hasNoModule = 'noModule' in document.createElement('script')
 
+const requestIdleCallback =
+  window.requestIdleCallback ||
+  function (cb) {
+    return setTimeout(cb, 1)
+  }
+
 /** @param {string} route */
 function normalizeRoute(route) {
   if (route[0] !== '/') {
@@ -184,19 +190,20 @@ export default class PageLoader {
   prefetchData(href, asPath) {
     const { pathname: hrefPathname } = parseRelativeUrl(href)
     const route = normalizeRoute(hrefPathname)
-    return this.promisedSsgManifest.then(
-      (s, _dataHref) =>
+    return this.promisedSsgManifest.then((s, _dataHref) => {
+      requestIdleCallback(() => {
         // Check if the route requires a data file
         s.has(route) &&
-        // Try to generate data href, noop when falsy
-        (_dataHref = this.getDataHref(href, asPath, true)) &&
-        // noop when data has already been prefetched (dedupe)
-        !document.querySelector(
-          `link[rel="${relPrefetch}"][href^="${_dataHref}"]`
-        ) &&
-        // Inject the `<link rel=prefetch>` tag for above computed `href`.
-        appendLink(_dataHref, relPrefetch, 'fetch')
-    )
+          // Try to generate data href, noop when falsy
+          (_dataHref = this.getDataHref(href, asPath, true)) &&
+          // noop when data has already been prefetched (dedupe)
+          !document.querySelector(
+            `link[rel="${relPrefetch}"][href^="${_dataHref}"]`
+          ) &&
+          // Inject the `<link rel=prefetch>` tag for above computed `href`.
+          appendLink(_dataHref, relPrefetch, 'fetch')
+      })
+    })
   }
 
   loadPage(route) {

From 23eb267499dafee6b0b42c7571bb6c7a2a74f22e Mon Sep 17 00:00:00 2001
From: Darsh Patel <darshkpatel@gmail.com>
Date: Tue, 28 Jul 2020 16:52:28 +0530
Subject: [PATCH 35/90] Make Links rendered in the error overlay clickable [
 14017 ] (#14055)

Co-authored-by: TodorTotev <51530311+TodorTotev@users.noreply.github.com>
---
 .../src/internal/container/Errors.tsx         | 23 ++++++++++++-
 .../error-is-clickable/pages/first.js         |  3 ++
 .../error-is-clickable/test/index.test.js     | 34 +++++++++++++++++++
 3 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 test/integration/error-is-clickable/pages/first.js
 create mode 100644 test/integration/error-is-clickable/test/index.test.js

diff --git a/packages/react-dev-overlay/src/internal/container/Errors.tsx b/packages/react-dev-overlay/src/internal/container/Errors.tsx
index cf40378b48568..c05f1ca6ff0db 100644
--- a/packages/react-dev-overlay/src/internal/container/Errors.tsx
+++ b/packages/react-dev-overlay/src/internal/container/Errors.tsx
@@ -53,6 +53,23 @@ function getErrorSignature(ev: SupportedErrorEvent): string {
   return ''
 }
 
+function makeClickable(text: string): JSX.Element[] | string {
+  // Regex Checks for http:// or https://
+  const linkRegex = /https?:\/\/[^\s/$.?#].[^\s]*/gi
+  if (!linkRegex.test(text)) return text
+  return text.split(' ').map((word, index, array) => {
+    if (linkRegex.test(word)) {
+      return (
+        <>
+          <a href={word}>{word}</a>
+          {index === array.length - 1 ? ' ' : ''}
+        </>
+      )
+    }
+    return index === array.length - 1 ? <>{word}</> : <>{word} </>
+  })
+}
+
 async function getErrorByType(
   ev: SupportedErrorEvent
 ): Promise<ReadyErrorEvent> {
@@ -242,7 +259,8 @@ export const Errors: React.FC<ErrorsProps> = function Errors({ errors }) {
               {isServerError ? 'Server Error' : 'Unhandled Runtime Error'}
             </h1>
             <p id="nextjs__container_errors_desc">
-              {activeError.error.name}: {activeError.error.message}
+              {activeError.error.name}:{' '}
+              {makeClickable(activeError.error.message)}
             </p>
             {isServerError ? (
               <div>
@@ -292,6 +310,9 @@ export const styles = css`
     margin: 0;
     margin-top: var(--size-gap-half);
   }
+  .nextjs-container-errors-header > p > a {
+    color: var(--color-ansi-red);
+  }
 
   .nextjs-container-errors-body > h5:not(:first-child) {
     margin-top: calc(var(--size-gap-double) + var(--size-gap));
diff --git a/test/integration/error-is-clickable/pages/first.js b/test/integration/error-is-clickable/pages/first.js
new file mode 100644
index 0000000000000..ec1762701e395
--- /dev/null
+++ b/test/integration/error-is-clickable/pages/first.js
@@ -0,0 +1,3 @@
+export default function Index() {
+  throw new Error('This error should be clickable. https://nextjs.org')
+}
diff --git a/test/integration/error-is-clickable/test/index.test.js b/test/integration/error-is-clickable/test/index.test.js
new file mode 100644
index 0000000000000..067600e0bca6c
--- /dev/null
+++ b/test/integration/error-is-clickable/test/index.test.js
@@ -0,0 +1,34 @@
+/* eslint-env jest */
+
+import { findPort, killApp, launchApp } from 'next-test-utils'
+import webdriver from 'next-webdriver'
+import { join } from 'path'
+
+jest.setTimeout(1000 * 60 * 5)
+let app
+let appPort
+const appDir = join(__dirname, '..')
+
+describe('Clickable error link', () => {
+  beforeAll(async () => {
+    appPort = await findPort()
+    app = await launchApp(appDir, appPort, {
+      env: { __NEXT_TEST_WITH_DEVTOOL: 1 },
+    })
+  })
+  afterAll(() => killApp(app))
+
+  it('Shows error which is clickable and redirects', async () => {
+    const browser = await webdriver(appPort, '/first')
+
+    await browser.eval(`(function () {
+          document.querySelector("nextjs-portal")
+          .shadowRoot
+          .querySelector("#nextjs__container_errors_desc > a").click()
+          })()
+        `)
+    const url = await browser.url()
+
+    expect(url).toBe('https://nextjs.org/')
+  })
+})

From c50843f66020a2bfa76bc5ccbe57bcbadb5565fb Mon Sep 17 00:00:00 2001
From: Rafael Almeida <rafaelalmeidatk@gmail.com>
Date: Tue, 28 Jul 2020 09:07:45 -0300
Subject: [PATCH 36/90] Add release hook to format the changelog by labels
 (#14592)

* Add release hook

* Remove release.js exported config

* Add skip flag to release CLI

* Use full flag name

* Upgrade release

* Update yarn.lock

Co-authored-by: Tim Neutkens <timneutkens@me.com>
---
 package.json |   4 +-
 release.js   | 162 +++++++++++++++++++++++++++++++++++++++
 yarn.lock    | 210 +++++++--------------------------------------------
 3 files changed, 193 insertions(+), 183 deletions(-)
 create mode 100644 release.js

diff --git a/package.json b/package.json
index 0e6df064ec978..5532dd5ee4a39 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "types": "lerna run types --stream",
     "typescript": "lerna run typescript",
     "prepublish": "lerna run prepublish",
-    "publish-canary": "lerna version prerelease --preid canary --force-publish && release --pre",
+    "publish-canary": "lerna version prerelease --preid canary --force-publish && release --pre --skip-questions",
     "publish-stable": "lerna version --force-publish",
     "lint-staged": "lint-staged",
     "next": "node packages/next/dist/bin/next",
@@ -109,7 +109,7 @@
     "react": "16.12.0",
     "react-dom": "16.12.0",
     "react-ssr-prepass": "1.0.8",
-    "release": "6.0.1",
+    "release": "6.2.0",
     "request-promise-core": "1.1.2",
     "rimraf": "2.6.3",
     "selenium-standalone": "6.18.0",
diff --git a/release.js b/release.js
new file mode 100644
index 0000000000000..feb7e4c2c74c8
--- /dev/null
+++ b/release.js
@@ -0,0 +1,162 @@
+const fetch = require('node-fetch')
+
+// --------------------
+// Repo
+
+const owner = 'vercel'
+const repo = 'next.js'
+
+// --------------------
+// Config
+
+// section -> label
+const sectionLabelMap = {
+  'Core Changes': 'type: next',
+  'Documentation Changes': 'type: documentation',
+  'Example Changes': 'type: example',
+}
+
+const fallbackSection = 'Misc Changes'
+
+// --------------------------------------------------
+
+const prNumberRegex = /\(#([-0-9]+)\)/
+
+const getCommitPullRequest = async (commit) => {
+  const match = prNumberRegex.exec(commit.title)
+
+  if (!match) {
+    return null
+  }
+
+  const number = parseInt(match[1], 10)
+  const url = `https://api.github.com/repos/${owner}/${repo}/pulls/${number}`
+  const res = await fetch(url)
+
+  if (!res.ok) {
+    console.warn(`\n\n⚠️ Failed to fetch PR #${number}\n`)
+    return null
+  }
+
+  return await res.json()
+}
+
+const getSectionForPullRequest = (pullRequest) => {
+  const { labels } = pullRequest
+
+  // sections defined first will take priority
+  for (const [section, label] of Object.entries(sectionLabelMap)) {
+    if (labels.some((prLabel) => prLabel.name === label)) {
+      return section
+    }
+  }
+
+  return null
+}
+
+const groupByLabels = async (commits, github) => {
+  // Initialize the sections object with empty arrays
+  const sections = Object.keys(sectionLabelMap).reduce((sections, section) => {
+    sections[section] = []
+    return sections
+  }, {})
+  sections.__fallback = []
+
+  for (const commit of commits) {
+    const pullRequest = await getCommitPullRequest(commit, github)
+
+    if (pullRequest) {
+      const section = getSectionForPullRequest(pullRequest)
+
+      if (section) {
+        // Add the change to the respective section
+        sections[section].push({
+          title: pullRequest.title,
+          number: pullRequest.number,
+        })
+
+        continue
+      }
+
+      // No section found, add it to the fallback section
+      sections.__fallback.push({
+        title: pullRequest.title,
+        number: pullRequest.number,
+      })
+
+      continue
+    }
+
+    // No Pull Request found, add it to the fallback section but without the number
+    sections.__fallback.push({
+      title: commit.title,
+    })
+  }
+
+  return sections
+}
+
+const buildChangelog = (sections, authors) => {
+  let text = ''
+
+  for (const section in sections) {
+    const changes = sections[section]
+
+    // No changes in this section? Don't render it
+    if (changes.length === 0) {
+      continue
+    }
+
+    const title = section === '__fallback' ? fallbackSection : section
+    text += `### ${title}\n\n`
+
+    for (const change of changes) {
+      const numberText = change.number != null ? `: #${change.number}` : ''
+
+      text += `- ${change.title}${numberText}\n`
+    }
+
+    text += '\n'
+  }
+
+  if (authors.size > 0) {
+    text += '### Credits \n\n'
+    text += 'Huge thanks to '
+
+    let index = 1
+    authors.forEach((author) => {
+      // GitHub links usernames if prefixed with @
+      text += `@${author}`
+
+      const penultimate = index === authors.size - 1
+      const notLast = index !== authors.size
+
+      if (penultimate) {
+        // Oxford comma is applied when list is bigger than 2 names
+        if (authors.size > 2) {
+          text += ','
+        }
+
+        text += ' and '
+      } else if (notLast) {
+        text += ', '
+      }
+
+      index += 1
+    })
+
+    text += ' for helping!'
+    text += '\n'
+  }
+
+  return text
+}
+
+module.exports = async (markdown, metadata) => {
+  const { commits, authors } = metadata
+
+  const sections = await groupByLabels(commits.all)
+  const changelog = buildChangelog(sections, authors)
+
+  return changelog
+}
diff --git a/yarn.lock b/yarn.lock
index dada25febe687..c6d2ef6ca4e2f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3311,15 +3311,6 @@ ajv-keywords@^3.1.0, ajv-keywords@^3.4.1:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.4.1.tgz#ef916e271c64ac12171fd8384eaae6b2345854da"
 
-ajv@^5.1.0:
-  version "5.5.2"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
-  dependencies:
-    co "^4.6.0"
-    fast-deep-equal "^1.0.0"
-    fast-json-stable-stringify "^2.0.0"
-    json-schema-traverse "^0.3.0"
-
 ajv@^6.1.0, ajv@^6.10.0, ajv@^6.10.2, ajv@^6.12.0, ajv@^6.5.5:
   version "6.12.0"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.0.tgz#06d60b96d87b8454a5adaba86e7854da629db4b7"
@@ -3687,7 +3678,7 @@ aws-sign2@~0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
 
-aws4@^1.6.0, aws4@^1.8.0:
+aws4@^1.8.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.9.0.tgz#24390e6ad61386b0a747265754d2a17219de862c"
 
@@ -3973,18 +3964,6 @@ boolbase@^1.0.0, boolbase@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
 
-boom@4.x.x:
-  version "4.3.1"
-  resolved "https://registry.yarnpkg.com/boom/-/boom-4.3.1.tgz#4f8a3005cb4a7e3889f749030fd25b96e01d2e31"
-  dependencies:
-    hoek "4.x.x"
-
-boom@5.x.x:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/boom/-/boom-5.2.0.tgz#5dd9da6ee3a5f302077436290cb717d3f4a54e02"
-  dependencies:
-    hoek "4.x.x"
-
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
@@ -4108,7 +4087,7 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserslist@4.13.0, browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.13.0, browserslist@^4.3.6, browserslist@^4.6.4, browserslist@^4.8.3, browserslist@^4.8.5:
+browserslist@4.13.0, browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6, browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.13.0, browserslist@^4.3.6, browserslist@^4.6.4, browserslist@^4.8.3, browserslist@^4.8.5:
   version "4.13.0"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.13.0.tgz#42556cba011e1b0a2775b611cba6a8eca18e940d"
   integrity sha512-MINatJ5ZNrLnQ6blGvePd/QOz9Xtu+Ne+x29iQSCHfkU5BugKVJwZKn/iiL8UbpIpa3JhviKjz+XxMo0m2caFQ==
@@ -4118,14 +4097,6 @@ browserslist@4.13.0, browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.
     escalade "^3.0.1"
     node-releases "^1.1.58"
 
-browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6:
-  version "1.7.7"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.7.7.tgz#0bd76704258be829b2398bb50e4b62d1a166b0b9"
-  integrity sha1-C9dnBCWL6CmyOYu1Dkti0aFmsLk=
-  dependencies:
-    caniuse-db "^1.0.30000639"
-    electron-to-chromium "^1.2.7"
-
 browserstack-local@1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/browserstack-local/-/browserstack-local-1.4.0.tgz#d979cac056f57b9af159b3bcd7fdc09b4354537c"
@@ -4180,7 +4151,7 @@ buffer-xor@^1.0.3:
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
   integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
 
-buffer@5.6.0:
+buffer@5.6.0, buffer@^5.5.0:
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.6.0.tgz#a31749dc7d81d84db08abf937b6b8c4033f62786"
   integrity sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==
@@ -4197,14 +4168,6 @@ buffer@^4.3.0:
     ieee754 "^1.1.4"
     isarray "^1.0.0"
 
-buffer@^5.5.0:
-  version "5.6.0"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.6.0.tgz#a31749dc7d81d84db08abf937b6b8c4033f62786"
-  integrity sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==
-  dependencies:
-    base64-js "^1.0.2"
-    ieee754 "^1.1.4"
-
 builtin-modules@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-3.1.0.tgz#aad97c15131eb76b65b50ef208e7584cd76a7484"
@@ -4440,21 +4403,11 @@ caniuse-db@^1.0.30000529, caniuse-db@^1.0.30000634:
   version "1.0.30001023"
   resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30001023.tgz#f856f71af16a5a44e81f1fcefc1673912a43da72"
 
-caniuse-db@^1.0.30000639:
-  version "1.0.30001107"
-  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30001107.tgz#39d1b87ce1632a77ad49852144a17a9e7ab8c27e"
-  integrity sha512-ffbV17yvEamsNm4N4dDDHdj147tWwdKw+mGyeOmvQcnu+gu455xUg8degvUOCB+fIAm7Rv3gXVn7XlTiYKymMQ==
-
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30001019, caniuse-lite@^1.0.30001020:
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30001019, caniuse-lite@^1.0.30001020, caniuse-lite@^1.0.30001093:
   version "1.0.30001066"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001066.tgz#0a8a58a10108f2b9bf38e7b65c237b12fd9c5f04"
   integrity sha512-Gfj/WAastBtfxLws0RCh2sDbTK/8rJuSeZMecrSkNGYxPcv7EzblmDGfWQCFEQcSqYE2BRgQiJh8HOD07N5hIw==
 
-caniuse-lite@^1.0.30001093:
-  version "1.0.30001107"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001107.tgz#809360df7a5b3458f627aa46b0f6ed6d5239da9a"
-  integrity sha512-86rCH+G8onCmdN4VZzJet5uPELII59cUzDphko3thQFgAQG1RNa+sVLDoALIhRYmflo5iSIzWY3vu1XTWtNMQQ==
-
 capitalize@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/capitalize/-/capitalize-1.0.0.tgz#dc802c580aee101929020d2ca14b4ca8a0ae44be"
@@ -4905,7 +4858,7 @@ columnify@^1.5.4:
     strip-ansi "^3.0.0"
     wcwidth "^1.0.0"
 
-combined-stream@^1.0.6, combined-stream@~1.0.5, combined-stream@~1.0.6:
+combined-stream@^1.0.6, combined-stream@~1.0.6:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
   dependencies:
@@ -5361,12 +5314,6 @@ cross-spawn@^7.0.0:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
-cryptiles@3.x.x:
-  version "3.1.4"
-  resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-3.1.4.tgz#769a68c95612b56faadfcebf57ac86479cbe8322"
-  dependencies:
-    boom "5.x.x"
-
 crypto-browserify@^3.11.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
@@ -5901,6 +5848,11 @@ defined@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
 
+delay@4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/delay/-/delay-4.3.0.tgz#efeebfb8f545579cb396b3a722443ec96d14c50e"
+  integrity sha512-Lwaf3zVFDMBop1yDuFZ19F9WyGcZcGacsbdlZtWjQmM50tOcMntm1njF/Nb/Vjij3KaSvCF+sEYGKrrjObu2NA==
+
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
@@ -6176,11 +6128,6 @@ ejs@^2.6.1:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.7.4.tgz#48661287573dcc53e366c7a1ae52c3a120eec9ba"
 
-electron-to-chromium@^1.2.7:
-  version "1.3.509"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.509.tgz#830fcb89cd66dc2984d18d794973b99e3f00584c"
-  integrity sha512-cN4lkjNRuTG8rtAqTOVgwpecEC2kbKA04PG6YijcKGHK/kD0xLjiqExcAOmLUwtXZRF8cBeam2I0VZcih919Ug==
-
 electron-to-chromium@^1.3.488:
   version "1.3.501"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.501.tgz#faa17a2cb0105ee30d5e1ca87eae7d8e85dd3175"
@@ -6791,7 +6738,7 @@ extend-shallow@^3.0.0, extend-shallow@^3.0.2:
     assign-symbols "^1.0.0"
     is-extendable "^1.0.1"
 
-extend@^3.0.0, extend@~3.0.1, extend@~3.0.2:
+extend@^3.0.0, extend@~3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
 
@@ -6852,10 +6799,6 @@ extsprintf@^1.2.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.4.0.tgz#e2689f8f356fad62cca65a3a91c5df5f9551692f"
 
-fast-deep-equal@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz#c053477817c86b51daa853c81e059b733d023614"
-
 fast-deep-equal@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.1.tgz#545145077c501491e33b15ec408c294376e94ae4"
@@ -7153,7 +7096,7 @@ form-data@^2.3.1:
     combined-stream "^1.0.6"
     mime-types "^2.1.12"
 
-form-data@~2.3.1, form-data@~2.3.2:
+form-data@~2.3.2:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.3.tgz#dcce52c05f644f298c6a7ab936bd724ceffbf3a6"
   dependencies:
@@ -7683,13 +7626,6 @@ har-schema@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz#a94c2224ebcac04782a0d9035521f24735b7ec92"
 
-har-validator@~5.0.3:
-  version "5.0.3"
-  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.0.3.tgz#ba402c266194f15956ef15e0fcf242993f6a7dfd"
-  dependencies:
-    ajv "^5.1.0"
-    har-schema "^2.0.0"
-
 har-validator@~5.1.0, har-validator@~5.1.3:
   version "5.1.3"
   resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.1.3.tgz#1ef89ebd3e4996557675eed9893110dc350fa080"
@@ -7788,15 +7724,6 @@ hash.js@^1.0.0, hash.js@^1.0.3:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.1"
 
-hawk@~6.0.2:
-  version "6.0.2"
-  resolved "https://registry.yarnpkg.com/hawk/-/hawk-6.0.2.tgz#af4d914eb065f9b5ce4d9d11c1cb2126eecc3038"
-  dependencies:
-    boom "4.x.x"
-    cryptiles "3.x.x"
-    hoek "4.x.x"
-    sntp "2.x.x"
-
 he@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
@@ -7822,10 +7749,6 @@ hmac-drbg@^1.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.1"
 
-hoek@4.x.x:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/hoek/-/hoek-4.2.1.tgz#9634502aa12c445dd5a7c5734b572bb8738aacbb"
-
 hoist-non-react-statics@^3.0.0:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz#ece0acaf71d62c2969c2ec59feff42a4b1a85b45"
@@ -9466,10 +9389,6 @@ json-parse-better-errors@^1.0.0, json-parse-better-errors@^1.0.1, json-parse-bet
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
 
-json-schema-traverse@^0.3.0:
-  version "0.3.1"
-  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
-
 json-schema-traverse@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
@@ -10026,7 +9945,7 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.1, lodash@^4.3.0, lodash@~4.17.10:
+lodash@^4.0.0, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.1, lodash@^4.3.0, lodash@~4.17.10:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
 
@@ -10480,7 +10399,7 @@ mime-db@1.43.0, "mime-db@>= 1.43.0 < 2":
   version "1.43.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.43.0.tgz#0a12e0502650e473d735535050e7c8f4eb4fae58"
 
-mime-types@^2.1.12, mime-types@~2.1.17, mime-types@~2.1.19, mime-types@~2.1.24:
+mime-types@^2.1.12, mime-types@~2.1.19, mime-types@~2.1.24:
   version "2.1.26"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.26.tgz#9c921fc09b7e149a65dfdc0da4d20997200b0a06"
   dependencies:
@@ -10717,10 +10636,6 @@ napi-build-utils@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/napi-build-utils/-/napi-build-utils-1.0.1.tgz#1381a0f92c39d66bf19852e7873432fc2123e508"
 
-native-or-bluebird@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/native-or-bluebird/-/native-or-bluebird-1.2.0.tgz#39c47bfd7825d1fb9ffad32210ae25daadf101c9"
-
 native-url@0.3.4:
   version "0.3.4"
   resolved "https://registry.yarnpkg.com/native-url/-/native-url-0.3.4.tgz#29c943172aed86c63cee62c8c04db7f5756661f8"
@@ -11121,10 +11036,6 @@ nwsapi@^2.0.7, nwsapi@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/nwsapi/-/nwsapi-2.2.0.tgz#204879a9e3d068ff2a55139c2c772780681a38b7"
 
-oauth-sign@~0.8.2:
-  version "0.8.2"
-  resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
-
 oauth-sign@~0.9.0:
   version "0.9.0"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
@@ -13085,7 +12996,7 @@ qs@^6.5.1:
   version "6.9.1"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.1.tgz#20082c65cb78223635ab1a9eaca8875a29bf8ec9"
 
-qs@~6.5.1, qs@~6.5.2:
+qs@~6.5.2:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
 
@@ -13544,9 +13455,10 @@ regjsparser@^0.6.4:
   dependencies:
     jsesc "~0.5.0"
 
-release@6.0.1:
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/release/-/release-6.0.1.tgz#1b33b5961e8e08de14c691a585278a12ca7310bb"
+release@6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/release/-/release-6.2.0.tgz#47b56a77fa39f4dde47f355d91289310f46c9409"
+  integrity sha512-tYuoyD4ID5aWyfVETRUVwOsE7Xw/+lmfItr1hBdQynSJ6dMJ8z8gjYLUl88FaAO2OfW8sRQWdPMCPydKI+8lfA==
   dependencies:
     "@octokit/rest" "15.2.6"
     args "4.0.0"
@@ -13554,6 +13466,7 @@ release@6.0.1:
     capitalize "1.0.0"
     chalk "2.4.0"
     configstore "3.1.2"
+    delay "4.3.0"
     escape-goat "1.3.0"
     fs-extra "5.0.0"
     git-repo-name "0.6.0"
@@ -13562,15 +13475,13 @@ release@6.0.1:
     git-username "1.0.0"
     github-username "4.1.0"
     inquirer "5.2.0"
+    node-fetch "2.6.0"
     node-version "1.1.3"
     opn "5.4.0"
     ora "2.0.0"
     random-string "0.2.0"
-    request "2.85.0"
-    request-promise-native "1.0.5"
     semver "5.5.0"
     tagged-versions "1.3.0"
-    then-sleep "1.0.1"
     update-check "1.3.2"
 
 remark-parse@^6.0.0:
@@ -13633,12 +13544,6 @@ replace-ext@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-1.0.0.tgz#de63128373fcbf7c3ccfa4de5a480c45a67958eb"
 
-request-promise-core@1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/request-promise-core/-/request-promise-core-1.1.1.tgz#3eee00b2c5aa83239cfb04c5700da36f81cd08b6"
-  dependencies:
-    lodash "^4.13.1"
-
 request-promise-core@1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/request-promise-core/-/request-promise-core-1.1.2.tgz#339f6aababcafdb31c799ff158700336301d3346"
@@ -13651,14 +13556,6 @@ request-promise-core@1.1.3:
   dependencies:
     lodash "^4.17.15"
 
-request-promise-native@1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/request-promise-native/-/request-promise-native-1.0.5.tgz#5281770f68e0c9719e5163fd3fab482215f4fda5"
-  dependencies:
-    request-promise-core "1.1.1"
-    stealthy-require "^1.1.0"
-    tough-cookie ">=2.3.3"
-
 request-promise-native@^1.0.5, request-promise-native@^1.0.8:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/request-promise-native/-/request-promise-native-1.0.8.tgz#a455b960b826e44e2bf8999af64dff2bfe58cb36"
@@ -13667,33 +13564,6 @@ request-promise-native@^1.0.5, request-promise-native@^1.0.8:
     stealthy-require "^1.1.1"
     tough-cookie "^2.3.3"
 
-request@2.85.0:
-  version "2.85.0"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.85.0.tgz#5a03615a47c61420b3eb99b7dba204f83603e1fa"
-  dependencies:
-    aws-sign2 "~0.7.0"
-    aws4 "^1.6.0"
-    caseless "~0.12.0"
-    combined-stream "~1.0.5"
-    extend "~3.0.1"
-    forever-agent "~0.6.1"
-    form-data "~2.3.1"
-    har-validator "~5.0.3"
-    hawk "~6.0.2"
-    http-signature "~1.2.0"
-    is-typedarray "~1.0.0"
-    isstream "~0.1.2"
-    json-stringify-safe "~5.0.1"
-    mime-types "~2.1.17"
-    oauth-sign "~0.8.2"
-    performance-now "^2.1.0"
-    qs "~6.5.1"
-    safe-buffer "^5.1.1"
-    stringstream "~0.0.5"
-    tough-cookie "~2.3.3"
-    tunnel-agent "^0.6.0"
-    uuid "^3.1.0"
-
 request@2.88.2, request@^2.88.2:
   version "2.88.2"
   resolved "https://registry.yarnpkg.com/request/-/request-2.88.2.tgz#d73c918731cb5a87da047e207234146f664d12b3"
@@ -14512,12 +14382,6 @@ snapdragon@^0.8.1:
     source-map-resolve "^0.5.0"
     use "^3.1.0"
 
-sntp@2.x.x:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/sntp/-/sntp-2.1.0.tgz#2c6cec14fedc2222739caf9b5c3d85d1cc5a2cc8"
-  dependencies:
-    hoek "4.x.x"
-
 socks-proxy-agent@^4.0.0:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/socks-proxy-agent/-/socks-proxy-agent-4.0.2.tgz#3c8991f3145b2799e70e11bd5fbc8b1963116386"
@@ -14729,7 +14593,7 @@ stdout-stream@^1.4.0:
   dependencies:
     readable-stream "^2.0.1"
 
-stealthy-require@^1.1.0, stealthy-require@^1.1.1:
+stealthy-require@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/stealthy-require/-/stealthy-require-1.1.1.tgz#35b09875b4ff49f26a777e509b3090a3226bf24b"
 
@@ -14864,10 +14728,6 @@ stringify-object@^3.3.0:
     is-obj "^1.0.1"
     is-regexp "^1.0.0"
 
-stringstream@~0.0.5:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.6.tgz#7880225b0d4ad10e30927d167a1d6f2fd3b33a72"
-
 strip-ansi@6.0.0, strip-ansi@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.0.tgz#0b1571dd7669ccd4f3e06e14ef1eed26225ae532"
@@ -15316,12 +15176,6 @@ text-table@0.2.0, text-table@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
 
-then-sleep@1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/then-sleep/-/then-sleep-1.0.1.tgz#759823bdc4de56ba2a20812868eb872a803ed1f9"
-  dependencies:
-    native-or-bluebird "^1.2.0"
-
 thread-loader@2.1.3:
   version "2.1.3"
   resolved "https://registry.yarnpkg.com/thread-loader/-/thread-loader-2.1.3.tgz#cbd2c139fc2b2de6e9d28f62286ab770c1acbdda"
@@ -15460,14 +15314,6 @@ toidentifier@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
 
-tough-cookie@>=2.3.3, tough-cookie@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-3.0.1.tgz#9df4f57e739c26930a018184887f4adb7dca73b2"
-  dependencies:
-    ip-regex "^2.1.0"
-    psl "^1.1.28"
-    punycode "^2.1.1"
-
 tough-cookie@^2.3.3, tough-cookie@^2.3.4, tough-cookie@~2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.5.0.tgz#cd9fb2a0aa1d5a12b473bd9fb96fa3dcff65ade2"
@@ -15475,11 +15321,13 @@ tough-cookie@^2.3.3, tough-cookie@^2.3.4, tough-cookie@~2.5.0:
     psl "^1.1.28"
     punycode "^2.1.1"
 
-tough-cookie@~2.3.3:
-  version "2.3.4"
-  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.4.tgz#ec60cee38ac675063ffc97a5c18970578ee83655"
+tough-cookie@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-3.0.1.tgz#9df4f57e739c26930a018184887f4adb7dca73b2"
   dependencies:
-    punycode "^1.4.1"
+    ip-regex "^2.1.0"
+    psl "^1.1.28"
+    punycode "^2.1.1"
 
 tough-cookie@~2.4.3:
   version "2.4.3"
@@ -15937,7 +15785,7 @@ utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
 
-uuid@^3.0.1, uuid@^3.1.0, uuid@^3.3.2:
+uuid@^3.0.1, uuid@^3.3.2:
   version "3.3.3"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.3.tgz#4568f0216e78760ee1dbf3a4d2cf53e224112866"
 

From 4730a1061da15d0b994746430ad1799d334268ba Mon Sep 17 00:00:00 2001
From: Tim Neutkens <timneutkens@me.com>
Date: Tue, 28 Jul 2020 14:08:23 +0200
Subject: [PATCH 37/90] v9.5.1-canary.0

---
 lerna.json                                         | 2 +-
 packages/create-next-app/package.json              | 2 +-
 packages/eslint-plugin-next/package.json           | 2 +-
 packages/next-bundle-analyzer/package.json         | 2 +-
 packages/next-mdx/package.json                     | 2 +-
 packages/next-plugin-google-analytics/package.json | 2 +-
 packages/next-plugin-sentry/package.json           | 2 +-
 packages/next-plugin-storybook/package.json        | 2 +-
 packages/next-polyfill-nomodule/package.json       | 2 +-
 packages/next/package.json                         | 8 ++++----
 packages/react-dev-overlay/package.json            | 2 +-
 packages/react-refresh-utils/package.json          | 2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lerna.json b/lerna.json
index 1659ef19d8196..f543b08bf4a8a 100644
--- a/lerna.json
+++ b/lerna.json
@@ -17,5 +17,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.5.0"
+  "version": "9.5.1-canary.0"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index d852aff667614..7e0f4e65ab0d9 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.5.0",
+  "version": "9.5.1-canary.0",
   "keywords": [
     "react",
     "next",
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index 9d5654b6b6c51..d6b35131d1207 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "9.5.0",
+  "version": "9.5.1-canary.0",
   "description": "ESLint plugin for NextJS.",
   "main": "lib/index.js",
   "license": "MIT",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index 7076967589cea..51346d88c2f18 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.5.0",
+  "version": "9.5.1-canary.0",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index eba024b924eb0..e585e4467574a 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.5.0",
+  "version": "9.5.1-canary.0",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index 493b900bc24f7..970ecdff66766 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.5.0",
+  "version": "9.5.1-canary.0",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-google-analytics"
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index ef16e76bc6d08..7d41c52d737ea 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.5.0",
+  "version": "9.5.1-canary.0",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-sentry"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index 8dbed4219e7c2..9cd32896a0472 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "9.5.0",
+  "version": "9.5.1-canary.0",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index e126e4d4edfd6..b9b04fc94f6ae 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.5.0",
+  "version": "9.5.1-canary.0",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/package.json b/packages/next/package.json
index 0b15314cb8654..39c0b752b49ff 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.5.0",
+  "version": "9.5.1-canary.0",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -76,8 +76,8 @@
     "@babel/preset-typescript": "7.9.0",
     "@babel/runtime": "7.9.6",
     "@babel/types": "7.9.6",
-    "@next/react-dev-overlay": "9.5.0",
-    "@next/react-refresh-utils": "9.5.0",
+    "@next/react-dev-overlay": "9.5.1-canary.0",
+    "@next/react-refresh-utils": "9.5.1-canary.0",
     "ast-types": "0.13.2",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
@@ -119,7 +119,7 @@
     "react-dom": "^16.6.0"
   },
   "devDependencies": {
-    "@next/polyfill-nomodule": "9.5.0",
+    "@next/polyfill-nomodule": "9.5.1-canary.0",
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index dc5251883216e..c4100b1d88ac7 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-dev-overlay",
-  "version": "9.5.0",
+  "version": "9.5.1-canary.0",
   "description": "A development-only overlay for developing React applications.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index ef994d9f20405..ab8388edc6edb 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "9.5.0",
+  "version": "9.5.1-canary.0",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",

From bf3b1b56cac74410428b4f7881e2b4731b4b6ce6 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <tim@timneutkens.nl>
Date: Tue, 28 Jul 2020 15:05:26 +0200
Subject: [PATCH 38/90] Update release.js and release package to avoid github
 rate limit (#15575)

---
 package.json |  2 +-
 release.js   | 33 ++++++++++++++-------------------
 yarn.lock    |  8 ++++----
 3 files changed, 19 insertions(+), 24 deletions(-)

diff --git a/package.json b/package.json
index 5532dd5ee4a39..ebc26531786f3 100644
--- a/package.json
+++ b/package.json
@@ -109,7 +109,7 @@
     "react": "16.12.0",
     "react-dom": "16.12.0",
     "react-ssr-prepass": "1.0.8",
-    "release": "6.2.0",
+    "release": "6.3.0",
     "request-promise-core": "1.1.2",
     "rimraf": "2.6.3",
     "selenium-standalone": "6.18.0",
diff --git a/release.js b/release.js
index feb7e4c2c74c8..20fe0e3ac1c8d 100644
--- a/release.js
+++ b/release.js
@@ -1,14 +1,3 @@
-const fetch = require('node-fetch')
-
-// --------------------
-// Repo
-
-const owner = 'vercel'
-const repo = 'next.js'
-
-// --------------------
-// Config
-
 // section -> label
 const sectionLabelMap = {
   'Core Changes': 'type: next',
@@ -22,7 +11,7 @@ const fallbackSection = 'Misc Changes'
 
 const prNumberRegex = /\(#([-0-9]+)\)/
 
-const getCommitPullRequest = async (commit) => {
+const getCommitPullRequest = async (commit, github) => {
   const match = prNumberRegex.exec(commit.title)
 
   if (!match) {
@@ -30,15 +19,18 @@ const getCommitPullRequest = async (commit) => {
   }
 
   const number = parseInt(match[1], 10)
-  const url = `https://api.github.com/repos/${owner}/${repo}/pulls/${number}`
-  const res = await fetch(url)
 
-  if (!res.ok) {
-    console.warn(`\n\n⚠️ Failed to fetch PR #${number}\n`)
+  if (!number) {
     return null
   }
 
-  return await res.json()
+  const { data } = await github.connection.pullRequests.get({
+    owner: github.repoDetails.user,
+    repo: github.repoDetails.repo,
+    number,
+  })
+
+  return data
 }
 
 const getSectionForPullRequest = (pullRequest) => {
@@ -64,6 +56,7 @@ const groupByLabels = async (commits, github) => {
 
   for (const commit of commits) {
     const pullRequest = await getCommitPullRequest(commit, github)
+    console.log({ pullRequest })
 
     if (pullRequest) {
       const section = getSectionForPullRequest(pullRequest)
@@ -153,9 +146,11 @@ const buildChangelog = (sections, authors) => {
 }
 
 module.exports = async (markdown, metadata) => {
-  const { commits, authors } = metadata
+  const { commits, authors, githubConnection, repoDetails } = metadata
+
+  const github = { connection: githubConnection, repoDetails }
 
-  const sections = await groupByLabels(commits.all)
+  const sections = await groupByLabels(commits.all, github)
   const changelog = buildChangelog(sections, authors)
 
   return changelog
diff --git a/yarn.lock b/yarn.lock
index c6d2ef6ca4e2f..39eb5c9375cc7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13455,10 +13455,10 @@ regjsparser@^0.6.4:
   dependencies:
     jsesc "~0.5.0"
 
-release@6.2.0:
-  version "6.2.0"
-  resolved "https://registry.yarnpkg.com/release/-/release-6.2.0.tgz#47b56a77fa39f4dde47f355d91289310f46c9409"
-  integrity sha512-tYuoyD4ID5aWyfVETRUVwOsE7Xw/+lmfItr1hBdQynSJ6dMJ8z8gjYLUl88FaAO2OfW8sRQWdPMCPydKI+8lfA==
+release@6.3.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/release/-/release-6.3.0.tgz#bbd351d7460948f1ed55ea02b4b2393f98a1637a"
+  integrity sha512-p2dQcsNzCwI0LMHFb/BAd49NrTbIlt2krjaDVHsjV40tScLIRHVatEtN+4MV4Xx9jKKGiZGoM2gtrSn6vJeM1g==
   dependencies:
     "@octokit/rest" "15.2.6"
     args "4.0.0"

From 059741ea00feafc5b9da3e9fb3d9a2f8856507b0 Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Tue, 28 Jul 2020 10:58:13 -0500
Subject: [PATCH 39/90] Update stats-config for new polyfills location (#15584)

This makes sure to not group the polyfills chunk in with the client bundles group now that it is output under chunks instead of runtime
---
 test/.stats-app/stats-config.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/.stats-app/stats-config.js b/test/.stats-app/stats-config.js
index d47e4ed4421c3..369e874bee3fa 100644
--- a/test/.stats-app/stats-config.js
+++ b/test/.stats-app/stats-config.js
@@ -3,19 +3,19 @@ const clientGlobs = [
     name: 'Client Bundles (main, webpack, commons)',
     globs: [
       '.next/static/runtime/+(main|webpack)-!(*.module.js)',
-      '.next/static/chunks/!(*.module.js)',
+      '.next/static/chunks/!(polyfills-*|*.module.js)',
     ],
   },
   {
     name: 'Client Bundles (main, webpack, commons) Modern',
     globs: [
       '.next/static/runtime/+(main|webpack)-*.module.js',
-      '.next/static/chunks/*.module.js',
+      '.next/static/chunks/!(polyfills-*)*.module.js',
     ],
   },
   {
     name: 'Legacy Client Bundles (polyfills)',
-    globs: ['.next/static/runtime/+(polyfills)-!(*.module.js)'],
+    globs: ['.next/static/chunks/+(polyfills)-!(*.module.js)'],
   },
   {
     name: 'Client Pages',

From 3405fb9453a2cee05086f76dcaf4b912749ce539 Mon Sep 17 00:00:00 2001
From: Christopher Robert Van Wiemeersch <hearcomestreble@gmail.com>
Date: Tue, 28 Jul 2020 09:34:00 -0700
Subject: [PATCH 40/90] fix typo in `eslint-plugin-next` code comments (#15583)

(p.s. excited to use this package. thank you.)
---
 packages/eslint-plugin-next/lib/utils/url.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/eslint-plugin-next/lib/utils/url.js b/packages/eslint-plugin-next/lib/utils/url.js
index b2c4715af8edd..4b3999b10f45d 100644
--- a/packages/eslint-plugin-next/lib/utils/url.js
+++ b/packages/eslint-plugin-next/lib/utils/url.js
@@ -55,9 +55,9 @@ function parseUrlForPages(urlprefix, directory) {
 }
 
 /**
- * Takes a url and does the following things.
- *  - replace `index.html` with `/`
- *  - Makes sure all URLs are have a trainiling `/`
+ * Takes a URL and does the following things.
+ *  - Replaces `index.html` with `/`
+ *  - Makes sure all URLs are have a trailing `/`
  *  - Removes query string
  * @param {string} url
  */
@@ -68,7 +68,7 @@ function normalizeURL(url) {
   url = url.split('?')[0]
   url = url.split('#')[0]
   url = url = url.replace(/(\/index\.html)$/, '/')
-  // empty URLs should not be trailed with `/`, e.g. `#heading`
+  // Empty URLs should not be trailed with `/`, e.g. `#heading`
   if (url === '') {
     return url
   }

From 2c9c07f96d1c9ed529647a47ec45e7cc490b5ced Mon Sep 17 00:00:00 2001
From: laiso <laiso@lai.so>
Date: Wed, 29 Jul 2020 06:00:56 +0700
Subject: [PATCH 41/90] Update Electron, Typescript example (#15524)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

It seems like the error occurs with `next export` when building the current example.

```
$ cd examples/with-electron-typescript
$ yarn && yarn build

Error occurred prerendering page "/detail". Read more: https://err.sh/next.js/prerender-error
Error: Error for page /detail: pages with `getServerSideProps` can not be exported. See more info here: https://err.sh/next.js/gssp-export
Error: Export encountered errors on following paths:
        /detail
    at exportApp (/Users/kstg/src/github.com/zeit/next.js/examples/with-electron-typescript/node_modules/next/dist/export/index.js:22:1166)
error Command failed with exit code 1.
```

I changed routes to statically resolve pages generating from `pages/detail.tsx` and added `getStaticPaths` and `getStaticProps`. so then it will export as follows

```
yarn run v1.22.4
$ next build renderer && next export renderer
Creating an optimized production build...

Compiled successfully.

Automatically optimizing pages...

Page                            Size     First Load JS
┌ ○ /                           336 B          62.6 kB
├ ○ /404                        2.54 kB        61.6 kB
├ ○ /about                      338 B          62.6 kB
├ ● /detail/[id]                440 B          62.7 kB
├   ├ /detail/101
├   ├ /detail/102
├   ├ /detail/103
├   └ /detail/104
└ ● /initial-props              530 B          62.8 kB
+ First Load JS shared by all   59.1 kB
  ├ static/pages/_app.js        983 B
  ├ chunks/commons.9facbe.js    10.9 kB
  ├ chunks/framework.b76773.js  40.3 kB
  ├ runtime/main.800476.js      6.22 kB
  └ runtime/webpack.c21266.js   746 B

λ  (Server)  server-side renders at runtime (uses getInitialProps or getServerSideProps)
○  (Static)  automatically rendered as static HTML (uses no initial props)
●  (SSG)     automatically generated as static HTML + JSON (uses getStaticProps)

> using build directory: /Users/kstg/src/github.com/zeit/next.js/examples/with-electron-typescript/renderer/.next
  copying "static build" directory
> No "exportPathMap" found in "next.config.js". Generating map from "./pages"
  launching 7 workers
Exporting (0/4)
Exporting (1/4)
Exporting (2/4)
Exporting (3/4)
Exporting (4/4)

Export successful
Done in 11.47s.
```
---
 .../renderer/components/ListItem.tsx          |  2 +-
 .../pages/{detail.tsx => detail/[id].tsx}     | 22 +++++++++++--------
 2 files changed, 14 insertions(+), 10 deletions(-)
 rename examples/with-electron-typescript/renderer/pages/{detail.tsx => detail/[id].tsx} (59%)

diff --git a/examples/with-electron-typescript/renderer/components/ListItem.tsx b/examples/with-electron-typescript/renderer/components/ListItem.tsx
index 30fb2eaa899a9..37b670023e0d0 100644
--- a/examples/with-electron-typescript/renderer/components/ListItem.tsx
+++ b/examples/with-electron-typescript/renderer/components/ListItem.tsx
@@ -8,7 +8,7 @@ type Props = {
 }
 
 const ListItem = ({ data }: Props) => (
-  <Link href={`/detail?id=${data.id}`}>
+  <Link href="/detail/[id]" as={`/detail/${data.id}`}>
     <a>
       {data.id}: {data.name}
     </a>
diff --git a/examples/with-electron-typescript/renderer/pages/detail.tsx b/examples/with-electron-typescript/renderer/pages/detail/[id].tsx
similarity index 59%
rename from examples/with-electron-typescript/renderer/pages/detail.tsx
rename to examples/with-electron-typescript/renderer/pages/detail/[id].tsx
index 924bbe41a4d65..b04adb1bd3321 100644
--- a/examples/with-electron-typescript/renderer/pages/detail.tsx
+++ b/examples/with-electron-typescript/renderer/pages/detail/[id].tsx
@@ -1,9 +1,9 @@
 // import { NextPageContext } from 'next'
-import Layout from '../components/Layout'
-import { User } from '../interfaces'
-import { findData } from '../utils/sample-api'
-import ListDetail from '../components/ListDetail'
-import { GetServerSideProps } from 'next'
+import Layout from '../../components/Layout'
+import { User } from '../../interfaces'
+import { findAll, findData } from '../../utils/sample-api'
+import ListDetail from '../../components/ListDetail'
+import { GetStaticPaths, GetStaticProps } from 'next'
 
 type Props = {
   item?: User
@@ -30,10 +30,14 @@ const InitialPropsDetail = ({ item, errors }: Props) => {
   )
 }
 
-export const getServerSideProps: GetServerSideProps = async (context) => {
-  const {
-    query: { id },
-  } = context
+export const getStaticPaths: GetStaticPaths = async () => {
+  const items: User[] = await findAll()
+  const paths = items.map((item) => `/detail/${item.id}`)
+  return { paths, fallback: false }
+}
+
+export const getStaticProps: GetStaticProps = async ({ params }) => {
+  const { id } = params
 
   try {
     const item = await findData(Array.isArray(id) ? id[0] : id)

From 3960783983918ad73a50b3d78996bb30818db48a Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Wed, 29 Jul 2020 01:38:13 -0500
Subject: [PATCH 42/90] Stabilize error-is-clickable test (#15606)

This attempts to stabilize the `error-is-clickable` test since it has been flaking recently

Closes: https://github.com/vercel/next.js/issues/15585
---
 .../error-is-clickable/test/index.test.js        | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/test/integration/error-is-clickable/test/index.test.js b/test/integration/error-is-clickable/test/index.test.js
index 067600e0bca6c..6bd4759426cdf 100644
--- a/test/integration/error-is-clickable/test/index.test.js
+++ b/test/integration/error-is-clickable/test/index.test.js
@@ -1,6 +1,6 @@
 /* eslint-env jest */
 
-import { findPort, killApp, launchApp } from 'next-test-utils'
+import { findPort, killApp, launchApp, hasRedbox } from 'next-test-utils'
 import webdriver from 'next-webdriver'
 import { join } from 'path'
 
@@ -21,14 +21,16 @@ describe('Clickable error link', () => {
   it('Shows error which is clickable and redirects', async () => {
     const browser = await webdriver(appPort, '/first')
 
+    await hasRedbox(browser)
+
     await browser.eval(`(function () {
-          document.querySelector("nextjs-portal")
-          .shadowRoot
-          .querySelector("#nextjs__container_errors_desc > a").click()
-          })()
-        `)
-    const url = await browser.url()
+      document.querySelector("nextjs-portal")
+      .shadowRoot
+      .querySelector("#nextjs__container_errors_desc > a").click()
+      })()
+    `)
 
+    const url = await browser.url()
     expect(url).toBe('https://nextjs.org/')
   })
 })

From 86ba29f65468ae822c561bf1d8a5ae679c58a0dc Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Wed, 29 Jul 2020 01:56:33 -0500
Subject: [PATCH 43/90] Make sure link can render without router (#15604)

This ensures rendering `next/link` doesn't fail without being nested under the router context.

Closes: https://github.com/vercel/next.js/issues/15543
---
 packages/next/client/link.tsx    |  7 ++++---
 test/unit/link-rendering.test.js | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+), 3 deletions(-)
 create mode 100644 test/unit/link-rendering.test.js

diff --git a/packages/next/client/link.tsx b/packages/next/client/link.tsx
index b69553e1a1577..84ad71186e518 100644
--- a/packages/next/client/link.tsx
+++ b/packages/next/client/link.tsx
@@ -166,14 +166,15 @@ function Link(props: React.PropsWithChildren<LinkProps>) {
   const [childElm, setChildElm] = React.useState<Element>()
 
   const router = useRouter()
+  const pathname = (router && router.pathname) || '/'
 
   const { href, as } = React.useMemo(() => {
-    const resolvedHref = resolveHref(router.pathname, props.href)
+    const resolvedHref = resolveHref(pathname, props.href)
     return {
       href: resolvedHref,
-      as: props.as ? resolveHref(router.pathname, props.as) : resolvedHref,
+      as: props.as ? resolveHref(pathname, props.as) : resolvedHref,
     }
-  }, [router.pathname, props.href, props.as])
+  }, [pathname, props.href, props.as])
 
   React.useEffect(() => {
     if (p && IntersectionObserver && childElm && childElm.tagName) {
diff --git a/test/unit/link-rendering.test.js b/test/unit/link-rendering.test.js
new file mode 100644
index 0000000000000..fb78704b91751
--- /dev/null
+++ b/test/unit/link-rendering.test.js
@@ -0,0 +1,20 @@
+/* eslint-env jest */
+import React from 'react'
+import ReactDOM from 'react-dom/server'
+import Link from 'next/link'
+
+describe('Link rendering', () => {
+  it('should render Link on its own', async () => {
+    const element = React.createElement(
+      Link,
+      {
+        href: '/my-path',
+      },
+      React.createElement('a', {}, 'to another page')
+    )
+    const html = ReactDOM.renderToString(element)
+    expect(html).toMatchInlineSnapshot(
+      `"<a href=\\"/my-path\\" data-reactroot=\\"\\">to another page</a>"`
+    )
+  })
+})

From 6eea915456b41414a95ef6ea06e08f757540747f Mon Sep 17 00:00:00 2001
From: Robert van Steen <hello@rovansteen.nl>
Date: Wed, 29 Jul 2020 09:01:21 +0200
Subject: [PATCH 44/90] Add better typing for redirect (#15603)

---
 packages/next/next-server/lib/utils.ts        | 3 ++-
 packages/next/next-server/server/api-utils.ts | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/next/next-server/lib/utils.ts b/packages/next/next-server/lib/utils.ts
index c9ccc5aa5c715..5b74fc017a65c 100644
--- a/packages/next/next-server/lib/utils.ts
+++ b/packages/next/next-server/lib/utils.ts
@@ -226,7 +226,8 @@ export type NextApiResponse<T = any> = ServerResponse & {
    */
   json: Send<T>
   status: (statusCode: number) => NextApiResponse<T>
-  redirect: (statusOrUrl: string | number, url?: string) => NextApiResponse<T>
+  redirect(url: string): NextApiResponse<T>
+  redirect(status: number, url: string): NextApiResponse<T>
 
   /**
    * Set preview data for Next.js' prerender mode
diff --git a/packages/next/next-server/server/api-utils.ts b/packages/next/next-server/server/api-utils.ts
index 930412aeb20a6..fa2a3f5be734d 100644
--- a/packages/next/next-server/server/api-utils.ts
+++ b/packages/next/next-server/server/api-utils.ts
@@ -68,7 +68,8 @@ export async function apiResolver(
     apiRes.status = (statusCode) => sendStatusCode(apiRes, statusCode)
     apiRes.send = (data) => sendData(apiReq, apiRes, data)
     apiRes.json = (data) => sendJson(apiRes, data)
-    apiRes.redirect = (statusOrUrl, url) => redirect(apiRes, statusOrUrl, url)
+    apiRes.redirect = (statusOrUrl: number | string, url?: string) =>
+      redirect(apiRes, statusOrUrl, url)
     apiRes.setPreviewData = (data, options = {}) =>
       setPreviewData(apiRes, data, Object.assign({}, apiContext, options))
     apiRes.clearPreviewData = () => clearPreviewData(apiRes)

From 1e8271ebe7ee92758cbb5fb11d461e3a1ed32534 Mon Sep 17 00:00:00 2001
From: yokinist <ikd618@gmail.com>
Date: Wed, 29 Jul 2020 16:12:52 +0900
Subject: [PATCH 45/90] Update multi-zone example link from relative to
 absolute (#15618)

---
 docs/advanced-features/multi-zones.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/advanced-features/multi-zones.md b/docs/advanced-features/multi-zones.md
index c600db1ccd424..55dc4229d383d 100644
--- a/docs/advanced-features/multi-zones.md
+++ b/docs/advanced-features/multi-zones.md
@@ -3,7 +3,7 @@
 <details>
   <summary><b>Examples</b></summary>
   <ul>
-    <li><a href="/examples/with-zones">With Zones</a></li>
+    <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-zones">With Zones</a></li>
   </ul>
 </details>
 

From fc2167311eff1bf686195e446ff907f962d71e92 Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Wed, 29 Jul 2020 03:47:23 -0500
Subject: [PATCH 46/90] Update header replacing to be more relaxed (#15592)

Instead of trying to parse header values as URLs and then replace path segments in them this switches to escaping characters that can break `path-to-regexp` compiling

Fixes: https://github.com/vercel/next.js/issues/15580
x-ref: https://github.com/vercel/vercel/pull/4942
---
 .../next/next-server/server/next-server.ts    | 49 +++++++++------
 test/integration/custom-routes/next.config.js | 41 +++++++++++++
 .../custom-routes/test/index.test.js          | 61 ++++++++++++++++++-
 3 files changed, 133 insertions(+), 18 deletions(-)

diff --git a/packages/next/next-server/server/next-server.ts b/packages/next/next-server/server/next-server.ts
index 3ec96ccf5f1bb..91a4cb15b30cb 100644
--- a/packages/next/next-server/server/next-server.ts
+++ b/packages/next/next-server/server/next-server.ts
@@ -479,25 +479,40 @@ export default class Server {
       if (!value.includes(':')) {
         return value
       }
-      const { parsedDestination } = prepareDestination(
-        value,
-        params,
-        {},
-        false,
-        ''
-      )
 
-      if (
-        !parsedDestination.pathname ||
-        !parsedDestination.pathname.startsWith('/')
-      ) {
-        // the value needs to start with a forward-slash to be compiled
-        // correctly
-        return compilePathToRegex(`/${value}`, { validate: false })(
-          params
-        ).substr(1)
+      for (const key of Object.keys(params)) {
+        if (value.includes(`:${key}`)) {
+          value = value
+            .replace(
+              new RegExp(`:${key}\\*`, 'g'),
+              `:${key}--ESCAPED_PARAM_ASTERISKS`
+            )
+            .replace(
+              new RegExp(`:${key}\\?`, 'g'),
+              `:${key}--ESCAPED_PARAM_QUESTION`
+            )
+            .replace(
+              new RegExp(`:${key}\\+`, 'g'),
+              `:${key}--ESCAPED_PARAM_PLUS`
+            )
+            .replace(
+              new RegExp(`:${key}(?!\\w)`, 'g'),
+              `--ESCAPED_PARAM_COLON${key}`
+            )
+        }
       }
-      return formatUrl(parsedDestination)
+      value = value
+        .replace(/(:|\*|\?|\+|\(|\)|\{|\})/g, '\\$1')
+        .replace(/--ESCAPED_PARAM_PLUS/g, '+')
+        .replace(/--ESCAPED_PARAM_COLON/g, ':')
+        .replace(/--ESCAPED_PARAM_QUESTION/g, '?')
+        .replace(/--ESCAPED_PARAM_ASTERISKS/g, '*')
+
+      // the value needs to start with a forward-slash to be compiled
+      // correctly
+      return compilePathToRegex(`/${value}`, { validate: false })(
+        params
+      ).substr(1)
     }
 
     // Headers come very first
diff --git a/test/integration/custom-routes/next.config.js b/test/integration/custom-routes/next.config.js
index 62228b9a77787..28fdf2234d2be 100644
--- a/test/integration/custom-routes/next.config.js
+++ b/test/integration/custom-routes/next.config.js
@@ -243,6 +243,47 @@ module.exports = {
             key: 'some:path',
             value: 'hi',
           },
+          {
+            key: 'x-test',
+            value: 'some:value*',
+          },
+          {
+            key: 'x-test-2',
+            value: 'value*',
+          },
+          {
+            key: 'x-test-3',
+            value: ':value?',
+          },
+          {
+            key: 'x-test-4',
+            value: ':value+',
+          },
+          {
+            key: 'x-test-5',
+            value: 'something https:',
+          },
+          {
+            key: 'x-test-6',
+            value: ':hello(world)',
+          },
+          {
+            key: 'x-test-7',
+            value: 'hello(world)',
+          },
+          {
+            key: 'x-test-8',
+            value: 'hello{1,}',
+          },
+          {
+            key: 'x-test-9',
+            value: ':hello{1,2}',
+          },
+          {
+            key: 'content-security-policy',
+            value:
+              "default-src 'self'; img-src *; media-src media1.com media2.com; script-src userscripts.example.com/:path",
+          },
         ],
       },
       {
diff --git a/test/integration/custom-routes/test/index.test.js b/test/integration/custom-routes/test/index.test.js
index c7a0026f3b67f..e229f8c3bc4e8 100644
--- a/test/integration/custom-routes/test/index.test.js
+++ b/test/integration/custom-routes/test/index.test.js
@@ -46,6 +46,24 @@ const runTests = (isDev = false) => {
     expect(html).toMatch(/multi-rewrites/)
   })
 
+  it('should handle param like headers properly', async () => {
+    const res = await fetchViaHTTP(appPort, '/my-other-header/my-path')
+    expect(res.headers.get('x-path')).toBe('my-path')
+    expect(res.headers.get('somemy-path')).toBe('hi')
+    expect(res.headers.get('x-test')).toBe('some:value*')
+    expect(res.headers.get('x-test-2')).toBe('value*')
+    expect(res.headers.get('x-test-3')).toBe(':value?')
+    expect(res.headers.get('x-test-4')).toBe(':value+')
+    expect(res.headers.get('x-test-5')).toBe('something https:')
+    expect(res.headers.get('x-test-6')).toBe(':hello(world)')
+    expect(res.headers.get('x-test-7')).toBe('hello(world)')
+    expect(res.headers.get('x-test-8')).toBe('hello{1,}')
+    expect(res.headers.get('x-test-9')).toBe(':hello{1,2}')
+    expect(res.headers.get('content-security-policy')).toBe(
+      "default-src 'self'; img-src *; media-src media1.com media2.com; script-src userscripts.example.com/my-path"
+    )
+  })
+
   it('should not match dynamic route immediately after applying header', async () => {
     const res = await fetchViaHTTP(appPort, '/blog/post-321')
     expect(res.headers.get('x-something')).toBe('applied-everywhere')
@@ -348,7 +366,7 @@ const runTests = (isDev = false) => {
   it('should apply params header key/values with URL that has port', async () => {
     const res = await fetchViaHTTP(appPort, '/with-params/url2/first')
     expect(res.headers.get('x-url')).toBe(
-      'https://example.com:8080/?hello=first'
+      'https://example.com:8080?hello=first'
     )
   })
 
@@ -667,6 +685,47 @@ const runTests = (isDev = false) => {
                 key: 'some:path',
                 value: 'hi',
               },
+              {
+                key: 'x-test',
+                value: 'some:value*',
+              },
+              {
+                key: 'x-test-2',
+                value: 'value*',
+              },
+              {
+                key: 'x-test-3',
+                value: ':value?',
+              },
+              {
+                key: 'x-test-4',
+                value: ':value+',
+              },
+              {
+                key: 'x-test-5',
+                value: 'something https:',
+              },
+              {
+                key: 'x-test-6',
+                value: ':hello(world)',
+              },
+              {
+                key: 'x-test-7',
+                value: 'hello(world)',
+              },
+              {
+                key: 'x-test-8',
+                value: 'hello{1,}',
+              },
+              {
+                key: 'x-test-9',
+                value: ':hello{1,2}',
+              },
+              {
+                key: 'content-security-policy',
+                value:
+                  "default-src 'self'; img-src *; media-src media1.com media2.com; script-src userscripts.example.com/:path",
+              },
             ],
             regex: normalizeRegEx('^\\/my-other-header(?:\\/([^\\/]+?))$'),
             source: '/my-other-header/:path',

From 571e2a7cff1e5b3ba3898fd8dd67ba29766dff67 Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Wed, 29 Jul 2020 04:23:23 -0500
Subject: [PATCH 47/90] Add note about statusCode config for redirects (#15615)

This adds a note to our documentation about the `statusCode` config to match the note from the redirects documentation for [`vercel.json`](https://vercel.com/docs/configuration#project/redirects)
---
 docs/api-reference/next.config.js/redirects.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/api-reference/next.config.js/redirects.md b/docs/api-reference/next.config.js/redirects.md
index 5d150324a5869..a564ab97db679 100644
--- a/docs/api-reference/next.config.js/redirects.md
+++ b/docs/api-reference/next.config.js/redirects.md
@@ -92,3 +92,5 @@ module.exports = {
   },
 }
 ```
+
+In some rare cases, you might need to assign a custom status code for older HTTP Clients to properly redirect. In these cases, you can use the `statusCode` property instead of the `permanent` property, but not both. Note: to ensure IE11 compatibility a `Refresh` header is automatically added for the 308 status code.

From 3ffef602802997911a0827af625e56acbb3ff20c Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Wed, 29 Jul 2020 12:30:06 +0200
Subject: [PATCH 48/90] Fix webdriver error handling (#15491)

errors in script execution will result in timeout instead of failure. This PR makes sure to pass all arguments to `.then` so error handling is correctly set up. (`.then` needs to be able to take a second argument). I also removed `.finally`.

I don't know why, but it looks like the following test does something that prevents the tests after it from opening a new browser window on azure. I'm giving up, I shuffled the tests to put this one last.
```js
    it('shows warning when dynamic route mismatch is used on Link', async () => {
      await showsError(
        '/dynamic-route-mismatch',
        /Mismatching `as` and `href` failed to manually provide the params: post in the `href`'s `query`/,
        true,
        true
      )
    })
```
---
 .../invalid-href/test/index.test.js           | 108 +++++++++---------
 test/lib/wd-chain.js                          |   5 +-
 2 files changed, 55 insertions(+), 58 deletions(-)

diff --git a/test/integration/invalid-href/test/index.test.js b/test/integration/invalid-href/test/index.test.js
index cb95ed64945cd..37825ba3dbe82 100644
--- a/test/integration/invalid-href/test/index.test.js
+++ b/test/integration/invalid-href/test/index.test.js
@@ -64,11 +64,6 @@ const showsError = async (pathname, regex, click = false, isWarn = false) => {
 const noError = async (pathname, click = false) => {
   const browser = await webdriver(appPort, '/')
   try {
-    await check(async () => {
-      const appReady = await browser.eval('!!window.next.router')
-      console.log('app ready: ', appReady)
-      return appReady ? 'ready' : 'nope'
-    }, 'ready')
     await browser.eval(`(function() {
       window.caughtErrors = []
       window.addEventListener('error', function (error) {
@@ -92,56 +87,6 @@ const noError = async (pathname, click = false) => {
 }
 
 describe('Invalid hrefs', () => {
-  describe('dev mode', () => {
-    beforeAll(async () => {
-      appPort = await findPort()
-      app = await launchApp(appDir, appPort)
-    })
-    afterAll(() => killApp(app))
-
-    it('shows error when mailto: is used as href on Link', async () => {
-      await showsError('/first', firstErrorRegex)
-    })
-
-    it('shows error when mailto: is used as href on router.push', async () => {
-      await showsError('/first?method=push', firstErrorRegex, true)
-    })
-
-    it('shows error when mailto: is used as href on router.replace', async () => {
-      await showsError('/first?method=replace', firstErrorRegex, true)
-    })
-
-    it('shows error when https://google.com is used as href on Link', async () => {
-      await showsError('/second', secondErrorRegex)
-    })
-
-    it('shows error when http://google.com is used as href on router.push', async () => {
-      await showsError('/second?method=push', secondErrorRegex, true)
-    })
-
-    it('shows error when https://google.com is used as href on router.replace', async () => {
-      await showsError('/second?method=replace', secondErrorRegex, true)
-    })
-
-    it('shows error when dynamic route mismatch is used on Link', async () => {
-      await showsError(
-        '/dynamic-route-mismatch',
-        /The provided `as` value \(\/blog\/post-1\) is incompatible with the `href` value \(\/\[post\]\)/,
-        true
-      )
-      await showsError(
-        '/dynamic-route-mismatch',
-        /Mismatching `as` and `href` failed to manually provide the params: post in the `href`'s `query`/,
-        true,
-        true
-      )
-    })
-
-    it('does not throw error when dynamic route mismatch is used on Link and params are manually provided', async () => {
-      await noError('/dynamic-route-mismatch-manual', true)
-    })
-  })
-
   describe('production mode', () => {
     beforeAll(async () => {
       await nextBuild(appDir)
@@ -210,4 +155,57 @@ describe('Invalid hrefs', () => {
       await browser.waitForElementByCss('#is-done')
     })
   })
+
+  describe('dev mode', () => {
+    beforeAll(async () => {
+      appPort = await findPort()
+      app = await launchApp(appDir, appPort)
+    })
+    afterAll(() => killApp(app))
+
+    it('shows error when mailto: is used as href on Link', async () => {
+      await showsError('/first', firstErrorRegex)
+    })
+
+    it('shows error when mailto: is used as href on router.push', async () => {
+      await showsError('/first?method=push', firstErrorRegex, true)
+    })
+
+    it('shows error when mailto: is used as href on router.replace', async () => {
+      await showsError('/first?method=replace', firstErrorRegex, true)
+    })
+
+    it('shows error when https://google.com is used as href on Link', async () => {
+      await showsError('/second', secondErrorRegex)
+    })
+
+    it('shows error when http://google.com is used as href on router.push', async () => {
+      await showsError('/second?method=push', secondErrorRegex, true)
+    })
+
+    it('shows error when https://google.com is used as href on router.replace', async () => {
+      await showsError('/second?method=replace', secondErrorRegex, true)
+    })
+
+    it('shows error when dynamic route mismatch is used on Link', async () => {
+      await showsError(
+        '/dynamic-route-mismatch',
+        /The provided `as` value \(\/blog\/post-1\) is incompatible with the `href` value \(\/\[post\]\)/,
+        true
+      )
+    })
+
+    it('does not throw error when dynamic route mismatch is used on Link and params are manually provided', async () => {
+      await noError('/dynamic-route-mismatch-manual', true)
+    })
+
+    it('shows warning when dynamic route mismatch is used on Link', async () => {
+      await showsError(
+        '/dynamic-route-mismatch',
+        /Mismatching `as` and `href` failed to manually provide the params: post in the `href`'s `query`/,
+        true,
+        true
+      )
+    })
+  })
 })
diff --git a/test/lib/wd-chain.js b/test/lib/wd-chain.js
index af562bf313771..48924f13e343f 100644
--- a/test/lib/wd-chain.js
+++ b/test/lib/wd-chain.js
@@ -10,9 +10,8 @@ export default class Chain {
       this.promise = Promise.resolve()
     }
     this.promise = this.promise.then(nextCall)
-    this.then = (cb) => this.promise.then(cb)
-    this.catch = (cb) => this.promise.catch(cb)
-    this.finally = (cb) => this.promise.finally(cb)
+    this.then = (...args) => this.promise.then(...args)
+    this.catch = (...args) => this.promise.catch(...args)
     return this
   }
 

From dd6a08980af8e99bdc4a99d403bebe2946bca05d Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Wed, 29 Jul 2020 09:19:25 -0500
Subject: [PATCH 49/90] Normalize missing optional value on Vercel (#15593)

This updates collecting dynamic route params on Vercel to make sure that missing optional dynamic routes are undefined. Additional tests for this mode have also been added to ensure the params are being collected properly

Closes: https://github.com/vercel/next.js/issues/15579
---
 .../webpack/loaders/next-serverless-loader.ts | 19 +++-
 packages/next/next-server/server/api-utils.ts |  4 +-
 test/integration/basepath/server.js           |  2 +-
 .../pages/[[...optionalName]].js              | 15 +--
 .../pages/nested/[[...optionalName]].js       | 15 +--
 .../dynamic-optional-routing/server.js        | 44 +++++++++
 .../test/index.test.js                        | 94 ++++++++++++++++++-
 7 files changed, 175 insertions(+), 18 deletions(-)
 create mode 100644 test/integration/dynamic-optional-routing/server.js

diff --git a/packages/next/build/webpack/loaders/next-serverless-loader.ts b/packages/next/build/webpack/loaders/next-serverless-loader.ts
index aecb0f05ec45a..e905a6500695b 100644
--- a/packages/next/build/webpack/loaders/next-serverless-loader.ts
+++ b/packages/next/build/webpack/loaders/next-serverless-loader.ts
@@ -80,16 +80,31 @@ const nextServerlessLoader: loader.Loader = function () {
           .reduce((prev, key) => {
             let value = query[key]
 
+            ${
+              ''
+              // non-provided optional values should be undefined so normalize
+              // them to undefined
+            }
+            if(routeRegex.groups[key].optional && !value) {
+              value = undefined
+              delete query[key]
+            }
             ${
               ''
               // query values from the proxy aren't already split into arrays
               // so make sure to normalize catch-all values
             }
-            if (routeRegex.groups[key].repeat) {
+            if (
+              value &&
+              typeof value === 'string' &&
+              routeRegex.groups[key].repeat
+            ) {
               value = value.split('/')
             }
 
-            prev[key] = value
+            if (value) {
+              prev[key] = value
+            }
             return prev
           }, {})
       }
diff --git a/packages/next/next-server/server/api-utils.ts b/packages/next/next-server/server/api-utils.ts
index fa2a3f5be734d..a298a1dc7cdfd 100644
--- a/packages/next/next-server/server/api-utils.ts
+++ b/packages/next/next-server/server/api-utils.ts
@@ -23,7 +23,7 @@ export type __ApiPreviewProps = {
 export async function apiResolver(
   req: IncomingMessage,
   res: ServerResponse,
-  params: any,
+  query: any,
   resolverModule: any,
   apiContext: __ApiPreviewProps,
   propagateError: boolean,
@@ -45,7 +45,7 @@ export async function apiResolver(
     // Parsing of cookies
     setLazyProp({ req: apiReq }, 'cookies', getCookieParser(req))
     // Parsing query string
-    setLazyProp({ req: apiReq, params }, 'query', getQueryParser(req))
+    apiReq.query = query
     // Parsing preview data
     setLazyProp({ req: apiReq }, 'previewData', () =>
       tryGetPreviewData(req, res, apiContext)
diff --git a/test/integration/basepath/server.js b/test/integration/basepath/server.js
index e2a5c822d8001..803d9dd1d5df9 100644
--- a/test/integration/basepath/server.js
+++ b/test/integration/basepath/server.js
@@ -12,7 +12,7 @@ const server = http.createServer((req, res) => {
       return render('/gssp.js')
     }
     default: {
-      res.statusCode(404)
+      res.statusCode = 404
       return res.end('404')
     }
   }
diff --git a/test/integration/dynamic-optional-routing/pages/[[...optionalName]].js b/test/integration/dynamic-optional-routing/pages/[[...optionalName]].js
index 5246b6b0f844b..3eaed76454624 100644
--- a/test/integration/dynamic-optional-routing/pages/[[...optionalName]].js
+++ b/test/integration/dynamic-optional-routing/pages/[[...optionalName]].js
@@ -8,11 +8,14 @@ export async function getServerSideProps({ query }) {
 
 export default function Page(props) {
   return (
-    <div id="route">
-      top level route param:{' '}
-      {props.query.optionalName === undefined
-        ? 'undefined'
-        : `[${props.query.optionalName.join('|')}]`}
-    </div>
+    <>
+      <div id="route">
+        top level route param:{' '}
+        {props.query.optionalName === undefined
+          ? 'undefined'
+          : `[${props.query.optionalName.join('|')}]`}
+      </div>
+      <div id="keys">{JSON.stringify(Object.keys(props.query))}</div>
+    </>
   )
 }
diff --git a/test/integration/dynamic-optional-routing/pages/nested/[[...optionalName]].js b/test/integration/dynamic-optional-routing/pages/nested/[[...optionalName]].js
index 8a3a3dfc1998a..d08a26963297f 100644
--- a/test/integration/dynamic-optional-routing/pages/nested/[[...optionalName]].js
+++ b/test/integration/dynamic-optional-routing/pages/nested/[[...optionalName]].js
@@ -8,11 +8,14 @@ export async function getServerSideProps({ query }) {
 
 export default function Page(props) {
   return (
-    <div id="route">
-      nested route param:{' '}
-      {props.query.optionalName === undefined
-        ? 'undefined'
-        : `[${props.query.optionalName.join('|')}]`}
-    </div>
+    <>
+      <div id="route">
+        nested route param:{' '}
+        {props.query.optionalName === undefined
+          ? 'undefined'
+          : `[${props.query.optionalName.join('|')}]`}
+      </div>
+      <div id="keys">{JSON.stringify(Object.keys(props.query))}</div>
+    </>
   )
 }
diff --git a/test/integration/dynamic-optional-routing/server.js b/test/integration/dynamic-optional-routing/server.js
new file mode 100644
index 0000000000000..f2d4cd2a889b3
--- /dev/null
+++ b/test/integration/dynamic-optional-routing/server.js
@@ -0,0 +1,44 @@
+const path = require('path')
+const http = require('http')
+const url = require('url')
+
+const server = http.createServer((req, res) => {
+  const render = async (page) => {
+    const mod = require(`./${path.join('.next/serverless/pages/', page)}`)
+    try {
+      return await (mod.render || mod.default || mod)(req, res)
+    } catch (err) {
+      res.statusCode = 500
+      return res.end('internal error')
+    }
+  }
+
+  const { pathname } = url.parse(req.url)
+
+  switch (pathname) {
+    case '/api/post':
+    case '/api/post/hello':
+    case '/api/post/hello/world': {
+      return render('/api/post/[[...slug]].js')
+    }
+    case '/nested':
+    case '/nested/hello':
+    case '/nested/hello/world': {
+      return render('/nested/[[...optionalName]].js')
+    }
+    case '/':
+    case '/hello':
+    case '/hello/world': {
+      return render('/[[...optionalName]].js')
+    }
+    default: {
+      res.statusCode = 404
+      return res.end('404')
+    }
+  }
+})
+
+const port = process.env.PORT || 3000
+server.listen(port, () => {
+  console.log('ready on', port)
+})
diff --git a/test/integration/dynamic-optional-routing/test/index.test.js b/test/integration/dynamic-optional-routing/test/index.test.js
index c17bd9168bf55..150ed44b78897 100644
--- a/test/integration/dynamic-optional-routing/test/index.test.js
+++ b/test/integration/dynamic-optional-routing/test/index.test.js
@@ -11,6 +11,7 @@ import {
   nextStart,
   renderViaHTTP,
   check,
+  initNextServerScript,
 } from 'next-test-utils'
 import { join } from 'path'
 
@@ -322,7 +323,7 @@ describe('Dynamic Optional Routing', () => {
       origNextConfig = await fs.readFile(nextConfig, 'utf8')
       await fs.writeFile(
         nextConfig,
-        `module.exports = { target: 'serverless' }`
+        `module.exports = { target: 'experimental-serverless-trace' }`
       )
 
       await nextBuild(appDir)
@@ -336,4 +337,95 @@ describe('Dynamic Optional Routing', () => {
     })
     runTests()
   })
+
+  describe('raw serverless mode', () => {
+    let origNextConfig
+
+    beforeAll(async () => {
+      origNextConfig = await fs.readFile(nextConfig, 'utf8')
+      await fs.writeFile(
+        nextConfig,
+        `module.exports = { target: 'experimental-serverless-trace' }`
+      )
+
+      await nextBuild(appDir)
+
+      appPort = await findPort()
+      app = await initNextServerScript(join(appDir, 'server.js'), /ready on/, {
+        ...process.env,
+        PORT: appPort,
+      })
+    })
+    afterAll(async () => {
+      await fs.writeFile(nextConfig, origNextConfig)
+      await killApp(app)
+    })
+
+    const render = (path, query) => {
+      return fetchViaHTTP(appPort, path, query, {
+        headers: {
+          // force relying on query values
+          'x-vercel-id': 'hi',
+        },
+      }).then((res) => res.text())
+    }
+
+    it('should render top level optional catch-all root', async () => {
+      const html = await render('/', { optionalName: '' })
+      const $ = cheerio.load(html)
+      expect($('#route').text()).toBe('top level route param: undefined')
+      expect($('#keys').text()).toBe('[]')
+    })
+
+    it('should render top level optional catch-all one level', async () => {
+      const html = await render('/hello', { optionalName: 'hello' })
+      const $ = cheerio.load(html)
+      expect($('#route').text()).toBe('top level route param: [hello]')
+    })
+
+    it('should render top level optional catch-all two levels', async () => {
+      const html = await render('/hello/world', { optionalName: 'hello/world' })
+      const $ = cheerio.load(html)
+      expect($('#route').text()).toBe('top level route param: [hello|world]')
+    })
+
+    it('should render nested optional catch-all root', async () => {
+      const html = await render('/nested', { optionalName: '' })
+      const $ = cheerio.load(html)
+      expect($('#route').text()).toBe('nested route param: undefined')
+      expect($('#keys').text()).toBe('[]')
+    })
+
+    it('should render nested optional catch-all one level', async () => {
+      const html = await render('/nested/hello', { optionalName: 'hello' })
+      const $ = cheerio.load(html)
+      expect($('#route').text()).toBe('nested route param: [hello]')
+    })
+
+    it('should render nested optional catch-all two levels', async () => {
+      const html = await render('/nested/hello/world', {
+        optionalName: 'hello/world',
+      })
+      const $ = cheerio.load(html)
+      expect($('#route').text()).toBe('nested route param: [hello|world]')
+    })
+
+    it('should render optional catch-all api root', async () => {
+      const text = await render('/api/post', { slug: '' })
+      const data = JSON.parse(text)
+      expect(data).toEqual({})
+    })
+
+    it('should render optional catch-all api root one level', async () => {
+      const text = await render('/api/post/hello', { slug: 'hello' })
+      const data = JSON.parse(text)
+      expect(data).toEqual({ slug: ['hello'] })
+    })
+
+    it('should render optional catch-all api root two levels', async () => {
+      const text = await render('/api/post/hello', { slug: 'hello/world' })
+      const data = JSON.parse(text)
+      expect(data).toEqual({ slug: ['hello', 'world'] })
+    })
+  })
 })

From 63ea2d82978ffc2b2a20c6ed02f7022adb6eca7b Mon Sep 17 00:00:00 2001
From: Luis Alvarez D <luis@vercel.com>
Date: Wed, 29 Jul 2020 09:43:48 -0500
Subject: [PATCH 50/90] Add CSS Modules examples to docs (#15601)

Fixes https://github.com/vercel/next.js/issues/15595

- Updated the tailwindcss and tailwindcss-emotion examples to the latest version of tailwindcss
- Added a new `with-styled-jsx` example
- Updated the `basic-css` example to use CSS Modules instead of styled-jsx
- Added the examples to the documentation page for built-in css support
---
 docs/api-reference/next.config.js/rewrites.md |   2 +-
 docs/basic-features/built-in-css-support.md   |  12 +-
 examples/basic-css/README.md                  |  25 +----
 examples/basic-css/pages/index.js             |  16 +--
 examples/basic-css/styles.module.css          |  10 ++
 examples/with-styled-jsx/.gitignore           |  34 ++++++
 examples/with-styled-jsx/README.md            |  21 ++++
 examples/with-styled-jsx/package.json         |  15 +++
 examples/with-styled-jsx/pages/index.js       |  20 ++++
 .../with-tailwindcss-emotion/package.json     |   5 +-
 .../with-tailwindcss-emotion/styles/base.css  | 104 +++++++++++++++++-
 examples/with-tailwindcss/package.json        |  12 +-
 examples/with-tailwindcss/pages/index.js      |   6 +-
 examples/with-tailwindcss/postcss.config.js   |  17 ++-
 examples/with-tailwindcss/styles/index.css    |  20 ++--
 examples/with-tailwindcss/tailwind.config.js  |   6 +-
 16 files changed, 259 insertions(+), 66 deletions(-)
 create mode 100644 examples/basic-css/styles.module.css
 create mode 100644 examples/with-styled-jsx/.gitignore
 create mode 100644 examples/with-styled-jsx/README.md
 create mode 100644 examples/with-styled-jsx/package.json
 create mode 100644 examples/with-styled-jsx/pages/index.js

diff --git a/docs/api-reference/next.config.js/rewrites.md b/docs/api-reference/next.config.js/rewrites.md
index 29d99b460ad98..297e0579d2ebd 100644
--- a/docs/api-reference/next.config.js/rewrites.md
+++ b/docs/api-reference/next.config.js/rewrites.md
@@ -4,7 +4,7 @@ description: Add rewrites to your Next.js app.
 
 # Rewrites
 
-<details>
+<details open>
   <summary><b>Examples</b></summary>
   <ul>
     <li><a href="https://github.com/vercel/next.js/tree/canary/examples/rewrites">Rewrites</a></li>
diff --git a/docs/basic-features/built-in-css-support.md b/docs/basic-features/built-in-css-support.md
index 07cd55fea25b7..c40249a082631 100644
--- a/docs/basic-features/built-in-css-support.md
+++ b/docs/basic-features/built-in-css-support.md
@@ -4,6 +4,14 @@ description: Next.js supports including CSS files as Global CSS or CSS Modules,
 
 # Built-In CSS Support
 
+<details open>
+  <summary><b>Examples</b></summary>
+  <ul>
+    <li><a href="https://github.com/vercel/next.js/tree/canary/examples/basic-css">Basic CSS Example</a></li>
+    <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-tailwindcss">With Tailwind CSS</a></li>
+  </ul>
+</details>
+
 Next.js allows you to import CSS files from a JavaScript file.
 This is possible because Next.js extends the concept of [`import`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import) beyond JavaScript.
 
@@ -143,8 +151,10 @@ Error: Cannot find module 'less'
 <details>
   <summary><b>Examples</b></summary>
   <ul>
-    <li><a href="https://github.com/vercel/next.js/tree/canary/examples/basic-css">Styled JSX</a></li>
+    <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-styled-jsx">Styled JSX</a></li>
     <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-styled-components">Styled Components</a></li>
+    <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-emotion">Emotion</a></li>
+    <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-tailwindcss-emotion">Tailwind CSS + Emotion</a></li>
     <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-styletron">Styletron</a></li>
     <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-glamor">Glamor</a></li>
     <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-cxs">Cxs</a></li>
diff --git a/examples/basic-css/README.md b/examples/basic-css/README.md
index 4459f0abb4194..9d7f3719c8d8d 100644
--- a/examples/basic-css/README.md
+++ b/examples/basic-css/README.md
@@ -1,6 +1,6 @@
 # Basic CSS example
 
-Next.js ships with [styled-jsx](https://github.com/zeit/styled-jsx) allowing you to write scope styled components with full css support. This is important for the modularity and code size of your bundles and also for the learning curve of the framework. If you know css you can write styled-jsx right away.
+Next.js has built-in support for [CSS Modules](https://nextjs.org/docs/basic-features/built-in-css-support#adding-component-level-css) allowing you to write scoped CSS by automatically creating a unique class name. CSS Module files can be imported anywhere in your application and you don't have to worry about collisions.
 
 ## Deploy your own
 
@@ -10,10 +10,6 @@ Deploy the example using [Vercel](https://vercel.com):
 
 ## How to use
 
-[Try it on CodeSandbox](https://codesandbox.io/s/github/vercel/next.js/tree/canary/examples/basic-css)
-
-### Using `create-next-app`
-
 Execute [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app) with [npm](https://docs.npmjs.com/cli/init) or [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/) to bootstrap the example:
 
 ```bash
@@ -22,23 +18,4 @@ npx create-next-app --example basic-css basic-css-app
 yarn create next-app --example basic-css basic-css-app
 ```
 
-### Download manually
-
-Download the example:
-
-```bash
-curl https://codeload.github.com/vercel/next.js/tar.gz/canary | tar -xz --strip=2 next.js-canary/examples/basic-css
-cd basic-css
-```
-
-Install it and run:
-
-```bash
-npm install
-npm run dev
-# or
-yarn
-yarn dev
-```
-
 Deploy it to the cloud with [Vercel](https://vercel.com/import?filter=next.js&utm_source=github&utm_medium=readme&utm_campaign=next-example) ([Documentation](https://nextjs.org/docs/deployment)).
diff --git a/examples/basic-css/pages/index.js b/examples/basic-css/pages/index.js
index 692f0300d8951..9901f81b33029 100644
--- a/examples/basic-css/pages/index.js
+++ b/examples/basic-css/pages/index.js
@@ -1,19 +1,9 @@
+import styles from '../styles.module.css'
+
 export default function Home() {
   return (
-    <div className="hello">
+    <div className={styles.hello}>
       <p>Hello World</p>
-      <style jsx>{`
-        .hello {
-          font: 15px Helvetica, Arial, sans-serif;
-          background: #eee;
-          padding: 100px;
-          text-align: center;
-          transition: 100ms ease-in background;
-        }
-        .hello:hover {
-          background: #ccc;
-        }
-      `}</style>
     </div>
   )
 }
diff --git a/examples/basic-css/styles.module.css b/examples/basic-css/styles.module.css
new file mode 100644
index 0000000000000..b841ef4cfaddb
--- /dev/null
+++ b/examples/basic-css/styles.module.css
@@ -0,0 +1,10 @@
+.hello {
+  font: 15px Helvetica, Arial, sans-serif;
+  background: #eee;
+  padding: 100px;
+  text-align: center;
+  transition: 100ms ease-in background;
+}
+.hello:hover {
+  background: #ccc;
+}
diff --git a/examples/with-styled-jsx/.gitignore b/examples/with-styled-jsx/.gitignore
new file mode 100644
index 0000000000000..1437c53f70bc2
--- /dev/null
+++ b/examples/with-styled-jsx/.gitignore
@@ -0,0 +1,34 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# vercel
+.vercel
diff --git a/examples/with-styled-jsx/README.md b/examples/with-styled-jsx/README.md
new file mode 100644
index 0000000000000..7a546cd5a6d00
--- /dev/null
+++ b/examples/with-styled-jsx/README.md
@@ -0,0 +1,21 @@
+# styled-jsx example
+
+Next.js ships with [styled-jsx](https://github.com/vercel/styled-jsx) allowing you to write scoped styled components with full CSS support. This is important for the modularity and code size of your bundles and also for the learning curve of the framework. If you know CSS you can write `styled-jsx` right away.
+
+## Deploy your own
+
+Deploy the example using [Vercel](https://vercel.com):
+
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/import/project?template=https://github.com/vercel/next.js/tree/canary/examples/with-styled-jsx)
+
+## How to use
+
+Execute [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app) with [npm](https://docs.npmjs.com/cli/init) or [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/) to bootstrap the example:
+
+```bash
+npx create-next-app --example with-styled-jsx with-styled-jsx-app
+# or
+yarn create next-app --example with-styled-jsx with-styled-jsx-app
+```
+
+Deploy it to the cloud with [Vercel](https://vercel.com/import?filter=next.js&utm_source=github&utm_medium=readme&utm_campaign=next-example) ([Documentation](https://nextjs.org/docs/deployment)).
diff --git a/examples/with-styled-jsx/package.json b/examples/with-styled-jsx/package.json
new file mode 100644
index 0000000000000..277b1ef9e3502
--- /dev/null
+++ b/examples/with-styled-jsx/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "with-styled-jsx",
+  "version": "1.0.0",
+  "scripts": {
+    "dev": "next",
+    "build": "next build",
+    "start": "next start"
+  },
+  "dependencies": {
+    "next": "latest",
+    "react": "^16.7.0",
+    "react-dom": "^16.7.0"
+  },
+  "license": "MIT"
+}
diff --git a/examples/with-styled-jsx/pages/index.js b/examples/with-styled-jsx/pages/index.js
new file mode 100644
index 0000000000000..badc024217198
--- /dev/null
+++ b/examples/with-styled-jsx/pages/index.js
@@ -0,0 +1,20 @@
+export default function Home() {
+  return (
+    <div className="hello">
+      <p>Hello World</p>
+
+      <style jsx>{`
+        .hello {
+          font: 15px Helvetica, Arial, sans-serif;
+          background: #eee;
+          padding: 100px;
+          text-align: center;
+          transition: 100ms ease-in background;
+        }
+        .hello:hover {
+          background: #ccc;
+        }
+      `}</style>
+    </div>
+  )
+}
diff --git a/examples/with-tailwindcss-emotion/package.json b/examples/with-tailwindcss-emotion/package.json
index 40bfdc65e128d..636be4197868e 100644
--- a/examples/with-tailwindcss-emotion/package.json
+++ b/examples/with-tailwindcss-emotion/package.json
@@ -22,6 +22,7 @@
     "@tailwindcss/ui": "^0.2.2",
     "@tailwindcssinjs/macro": "^0.3.1",
     "babel-plugin-macros": "2.8.0",
-    "tailwindcss": "1.3.5"
-  }
+    "tailwindcss": "^1.6.0"
+  },
+  "license": "MIT"
 }
diff --git a/examples/with-tailwindcss-emotion/styles/base.css b/examples/with-tailwindcss-emotion/styles/base.css
index db3ac19346bad..37bb774245337 100644
--- a/examples/with-tailwindcss-emotion/styles/base.css
+++ b/examples/with-tailwindcss-emotion/styles/base.css
@@ -380,7 +380,6 @@ pre {
 button {
   background-color: transparent;
   background-image: none;
-  padding: 0;
 }
 
 /**
@@ -484,11 +483,6 @@ textarea {
   resize: vertical;
 }
 
-input::-webkit-input-placeholder,
-textarea::-webkit-input-placeholder {
-  color: #a0aec0;
-}
-
 input::-moz-placeholder,
 textarea::-moz-placeholder {
   color: #a0aec0;
@@ -603,3 +597,101 @@ video {
   max-width: 100%;
   height: auto;
 }
+
+@-webkit-keyframes spin {
+  from {
+    transform: rotate(0deg);
+  }
+
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+@keyframes spin {
+  from {
+    transform: rotate(0deg);
+  }
+
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+@-webkit-keyframes ping {
+  0% {
+    transform: scale(1);
+    opacity: 1;
+  }
+
+  75%,
+  100% {
+    transform: scale(2);
+    opacity: 0;
+  }
+}
+
+@keyframes ping {
+  0% {
+    transform: scale(1);
+    opacity: 1;
+  }
+
+  75%,
+  100% {
+    transform: scale(2);
+    opacity: 0;
+  }
+}
+
+@-webkit-keyframes pulse {
+  0%,
+  100% {
+    opacity: 1;
+  }
+
+  50% {
+    opacity: 0.5;
+  }
+}
+
+@keyframes pulse {
+  0%,
+  100% {
+    opacity: 1;
+  }
+
+  50% {
+    opacity: 0.5;
+  }
+}
+
+@-webkit-keyframes bounce {
+  0%,
+  100% {
+    transform: translateY(-25%);
+    -webkit-animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
+    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
+  }
+
+  50% {
+    transform: translateY(0);
+    -webkit-animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
+    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
+  }
+}
+
+@keyframes bounce {
+  0%,
+  100% {
+    transform: translateY(-25%);
+    -webkit-animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
+    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
+  }
+
+  50% {
+    transform: translateY(0);
+    -webkit-animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
+    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
+  }
+}
diff --git a/examples/with-tailwindcss/package.json b/examples/with-tailwindcss/package.json
index 8c7b129a9d5e7..6aa2bd510adff 100644
--- a/examples/with-tailwindcss/package.json
+++ b/examples/with-tailwindcss/package.json
@@ -7,12 +7,14 @@
     "start": "next start"
   },
   "dependencies": {
-    "next": "^9.2.0",
-    "react": "^16.12.0",
-    "react-dom": "^16.12.0"
+    "next": "latest",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1"
   },
   "devDependencies": {
+    "postcss-flexbugs-fixes": "4.2.1",
     "postcss-preset-env": "^6.7.0",
-    "tailwindcss": "^1.4.0"
-  }
+    "tailwindcss": "^1.6.0"
+  },
+  "license": "MIT"
 }
diff --git a/examples/with-tailwindcss/pages/index.js b/examples/with-tailwindcss/pages/index.js
index 08f65189f1421..bcd5455cdb619 100644
--- a/examples/with-tailwindcss/pages/index.js
+++ b/examples/with-tailwindcss/pages/index.js
@@ -4,8 +4,10 @@ export default function IndexPage() {
   return (
     <div>
       <Nav />
-      <div className="hero">
-        <h1 className="title">Next.js + Tailwind CSS</h1>
+      <div className="py-20">
+        <h1 className="text-5xl text-center text-accent-1">
+          Next.js + Tailwind CSS
+        </h1>
       </div>
     </div>
   )
diff --git a/examples/with-tailwindcss/postcss.config.js b/examples/with-tailwindcss/postcss.config.js
index b6195022df1e7..6f2d25c4e3509 100644
--- a/examples/with-tailwindcss/postcss.config.js
+++ b/examples/with-tailwindcss/postcss.config.js
@@ -1,3 +1,18 @@
 module.exports = {
-  plugins: ['tailwindcss', 'postcss-preset-env'],
+  plugins: [
+    'tailwindcss',
+    'postcss-flexbugs-fixes',
+    [
+      'postcss-preset-env',
+      {
+        autoprefixer: {
+          flexbox: 'no-2009',
+        },
+        stage: 3,
+        features: {
+          'custom-properties': false,
+        },
+      },
+    ],
+  ],
 }
diff --git a/examples/with-tailwindcss/styles/index.css b/examples/with-tailwindcss/styles/index.css
index df64d25ce1956..9dcb43d4b37a9 100644
--- a/examples/with-tailwindcss/styles/index.css
+++ b/examples/with-tailwindcss/styles/index.css
@@ -1,18 +1,18 @@
 @tailwind base;
+
+/* Write your own custom base styles here */
+
+/* Start purging... */
 @tailwind components;
+/* Stop purging. */
 
+/* Write you own custom component styles here */
 .btn-blue {
   @apply bg-blue-500 text-white font-bold py-2 px-4 rounded;
 }
 
-.hero {
-  @apply py-20;
-}
-
-.title {
-  @apply text-5xl text-center;
-  color: #333;
-  line-height: 1.15;
-}
-
+/* Start purging... */
 @tailwind utilities;
+/* Stop purging. */
+
+/* Your own custom utilities */
diff --git a/examples/with-tailwindcss/tailwind.config.js b/examples/with-tailwindcss/tailwind.config.js
index 9a74029f6dc0f..5f5917456595e 100644
--- a/examples/with-tailwindcss/tailwind.config.js
+++ b/examples/with-tailwindcss/tailwind.config.js
@@ -1,7 +1,11 @@
 module.exports = {
   purge: ['./components/**/*.{js,ts,jsx,tsx}', './pages/**/*.{js,ts,jsx,tsx}'],
   theme: {
-    extend: {},
+    extend: {
+      colors: {
+        'accent-1': '#333',
+      },
+    },
   },
   variants: {},
   plugins: [],

From 1a0cdbeacbabb9e3649898e444ed14b2a9378f8d Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Wed, 29 Jul 2020 09:58:32 -0500
Subject: [PATCH 51/90] v9.5.1-canary.1

---
 lerna.json                                         | 2 +-
 packages/create-next-app/package.json              | 2 +-
 packages/eslint-plugin-next/package.json           | 2 +-
 packages/next-bundle-analyzer/package.json         | 2 +-
 packages/next-mdx/package.json                     | 2 +-
 packages/next-plugin-google-analytics/package.json | 2 +-
 packages/next-plugin-sentry/package.json           | 2 +-
 packages/next-plugin-storybook/package.json        | 2 +-
 packages/next-polyfill-nomodule/package.json       | 2 +-
 packages/next/package.json                         | 8 ++++----
 packages/react-dev-overlay/package.json            | 2 +-
 packages/react-refresh-utils/package.json          | 2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lerna.json b/lerna.json
index f543b08bf4a8a..7031d52afff7f 100644
--- a/lerna.json
+++ b/lerna.json
@@ -17,5 +17,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.5.1-canary.0"
+  "version": "9.5.1-canary.1"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index 7e0f4e65ab0d9..2525929c90886 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.5.1-canary.0",
+  "version": "9.5.1-canary.1",
   "keywords": [
     "react",
     "next",
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index d6b35131d1207..7786c19b2d9fa 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "9.5.1-canary.0",
+  "version": "9.5.1-canary.1",
   "description": "ESLint plugin for NextJS.",
   "main": "lib/index.js",
   "license": "MIT",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index 51346d88c2f18..a2901691e7c39 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.5.1-canary.0",
+  "version": "9.5.1-canary.1",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index e585e4467574a..c3db86949da92 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.5.1-canary.0",
+  "version": "9.5.1-canary.1",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index 970ecdff66766..3e12d69644e40 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.5.1-canary.0",
+  "version": "9.5.1-canary.1",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-google-analytics"
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index 7d41c52d737ea..9c97b4f60bd8f 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.5.1-canary.0",
+  "version": "9.5.1-canary.1",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-sentry"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index 9cd32896a0472..b9e994faee8bb 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "9.5.1-canary.0",
+  "version": "9.5.1-canary.1",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index b9b04fc94f6ae..0698cba1de421 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.5.1-canary.0",
+  "version": "9.5.1-canary.1",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/package.json b/packages/next/package.json
index 39c0b752b49ff..a8936c9048631 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.5.1-canary.0",
+  "version": "9.5.1-canary.1",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -76,8 +76,8 @@
     "@babel/preset-typescript": "7.9.0",
     "@babel/runtime": "7.9.6",
     "@babel/types": "7.9.6",
-    "@next/react-dev-overlay": "9.5.1-canary.0",
-    "@next/react-refresh-utils": "9.5.1-canary.0",
+    "@next/react-dev-overlay": "9.5.1-canary.1",
+    "@next/react-refresh-utils": "9.5.1-canary.1",
     "ast-types": "0.13.2",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
@@ -119,7 +119,7 @@
     "react-dom": "^16.6.0"
   },
   "devDependencies": {
-    "@next/polyfill-nomodule": "9.5.1-canary.0",
+    "@next/polyfill-nomodule": "9.5.1-canary.1",
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index c4100b1d88ac7..f1a25acd8b405 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-dev-overlay",
-  "version": "9.5.1-canary.0",
+  "version": "9.5.1-canary.1",
   "description": "A development-only overlay for developing React applications.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index ab8388edc6edb..805a92b99e539 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "9.5.1-canary.0",
+  "version": "9.5.1-canary.1",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",

From 80998a05f7d561adf9ac71773dbd2bb8b2429d0e Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Wed, 29 Jul 2020 18:51:51 +0200
Subject: [PATCH 52/90] Don't use assetprefix on getServerSideProps and
 getStaticProps (#15634)

Strictly use `basePath` and not `assetPrefix` on `getStaticProps` and `getServerSideProps`

Fixes https://github.com/vercel/next.js/issues/15563
---
 packages/next/client/page-loader.js                |  7 ++++---
 .../absolute-assetprefix/test/index.test.js        | 14 ++++++++------
 test/integration/size-limit/test/index.test.js     |  2 +-
 3 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/packages/next/client/page-loader.js b/packages/next/client/page-loader.js
index 4bdbd91354285..dce2c94f3eaee 100644
--- a/packages/next/client/page-loader.js
+++ b/packages/next/client/page-loader.js
@@ -6,6 +6,7 @@ import { searchParamsToUrlQuery } from './../next-server/lib/router/utils/search
 import { parseRelativeUrl } from './../next-server/lib/router/utils/parse-relative-url'
 import escapePathDelimiters from '../next-server/lib/router/utils/escape-path-delimiters'
 import getAssetPathFromRoute from './../next-server/lib/router/utils/get-asset-path-from-route'
+import { addBasePath } from '../next-server/lib/router/router'
 
 function hasRel(rel, link) {
   try {
@@ -127,9 +128,9 @@ export default class PageLoader {
 
     const getHrefForSlug = (/** @type string */ path) => {
       const dataRoute = getAssetPathFromRoute(path, '.json')
-      return `${this.assetPrefix}/_next/data/${this.buildId}${dataRoute}${
-        ssg ? '' : search || ''
-      }`
+      return addBasePath(
+        `/_next/data/${this.buildId}${dataRoute}${ssg ? '' : search}`
+      )
     }
 
     let isDynamic = isDynamicRoute(route),
diff --git a/test/integration/absolute-assetprefix/test/index.test.js b/test/integration/absolute-assetprefix/test/index.test.js
index db1341ce3ca20..25fde4e011b63 100644
--- a/test/integration/absolute-assetprefix/test/index.test.js
+++ b/test/integration/absolute-assetprefix/test/index.test.js
@@ -66,12 +66,12 @@ describe('absolute assetPrefix with path prefix', () => {
   afterAll(() => cdn.close())
   afterAll(() => nextConfig.restore())
 
-  it('should be able to fetch static data from a CDN', async () => {
+  it('should not fetch static data from a CDN', async () => {
     const browser = await webdriver(appPort, '/')
     await browser.waitForElementByCss('#about-link').click()
     const prop = await browser.waitForElementByCss('#prop').text()
     expect(prop).toBe('hello')
-    expect(cdnAccessLog).toContain(`/_next/data/${buildId}/about.json`)
+    expect(cdnAccessLog).not.toContain(`/_next/data/${buildId}/about.json`)
   })
 
   it('should fetch from cache correctly', async () => {
@@ -88,7 +88,7 @@ describe('absolute assetPrefix with path prefix', () => {
       cdnAccessLog.filter(
         (path) => path === `/_next/data/${buildId}/about.json`
       )
-    ).toHaveLength(1)
+    ).toHaveLength(0)
   })
 
   it('should work with getStaticPaths prerendered', async () => {
@@ -96,7 +96,7 @@ describe('absolute assetPrefix with path prefix', () => {
     await browser.waitForElementByCss('#gsp-prerender-link').click()
     const prop = await browser.waitForElementByCss('#prop').text()
     expect(prop).toBe('prerendered')
-    expect(cdnAccessLog).toContain(
+    expect(cdnAccessLog).not.toContain(
       `/_next/data/${buildId}/gsp-fallback/prerendered.json`
     )
   })
@@ -106,7 +106,7 @@ describe('absolute assetPrefix with path prefix', () => {
     await browser.waitForElementByCss('#gsp-fallback-link').click()
     const prop = await browser.waitForElementByCss('#prop').text()
     expect(prop).toBe('fallback')
-    expect(cdnAccessLog).toContain(
+    expect(cdnAccessLog).not.toContain(
       `/_next/data/${buildId}/gsp-fallback/fallback.json`
     )
   })
@@ -116,6 +116,8 @@ describe('absolute assetPrefix with path prefix', () => {
     await browser.waitForElementByCss('#gssp-link').click()
     const prop = await browser.waitForElementByCss('#prop').text()
     expect(prop).toBe('foo')
-    expect(cdnAccessLog).toContain(`/_next/data/${buildId}/gssp.json?prop=foo`)
+    expect(cdnAccessLog).not.toContain(
+      `/_next/data/${buildId}/gssp.json?prop=foo`
+    )
   })
 })
diff --git a/test/integration/size-limit/test/index.test.js b/test/integration/size-limit/test/index.test.js
index f9361d4184b2f..08f7bb4591540 100644
--- a/test/integration/size-limit/test/index.test.js
+++ b/test/integration/size-limit/test/index.test.js
@@ -80,7 +80,7 @@ describe('Production response size', () => {
     )
 
     // These numbers are without gzip compression!
-    const delta = responseSizesBytes - 274 * 1024
+    const delta = responseSizesBytes - 275 * 1024
     expect(delta).toBeLessThanOrEqual(1024) // don't increase size more than 1kb
     expect(delta).toBeGreaterThanOrEqual(-1024) // don't decrease size more than 1kb without updating target
   })

From b748b5a44382c878ad9a40610e445241610277c0 Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Wed, 29 Jul 2020 13:18:18 -0400
Subject: [PATCH 53/90] v9.5.1-canary.2

---
 lerna.json                                         | 2 +-
 packages/create-next-app/package.json              | 2 +-
 packages/eslint-plugin-next/package.json           | 2 +-
 packages/next-bundle-analyzer/package.json         | 2 +-
 packages/next-mdx/package.json                     | 2 +-
 packages/next-plugin-google-analytics/package.json | 2 +-
 packages/next-plugin-sentry/package.json           | 2 +-
 packages/next-plugin-storybook/package.json        | 2 +-
 packages/next-polyfill-nomodule/package.json       | 2 +-
 packages/next/package.json                         | 8 ++++----
 packages/react-dev-overlay/package.json            | 2 +-
 packages/react-refresh-utils/package.json          | 2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lerna.json b/lerna.json
index 7031d52afff7f..1cbebc9562857 100644
--- a/lerna.json
+++ b/lerna.json
@@ -17,5 +17,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.5.1-canary.1"
+  "version": "9.5.1-canary.2"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index 2525929c90886..96e73475526cb 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.5.1-canary.1",
+  "version": "9.5.1-canary.2",
   "keywords": [
     "react",
     "next",
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index 7786c19b2d9fa..0bf0bc3e4cbd4 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "9.5.1-canary.1",
+  "version": "9.5.1-canary.2",
   "description": "ESLint plugin for NextJS.",
   "main": "lib/index.js",
   "license": "MIT",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index a2901691e7c39..90b78b157408e 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.5.1-canary.1",
+  "version": "9.5.1-canary.2",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index c3db86949da92..80b66b4775d69 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.5.1-canary.1",
+  "version": "9.5.1-canary.2",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index 3e12d69644e40..b11dc28159212 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.5.1-canary.1",
+  "version": "9.5.1-canary.2",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-google-analytics"
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index 9c97b4f60bd8f..b472d68b837c7 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.5.1-canary.1",
+  "version": "9.5.1-canary.2",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-sentry"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index b9e994faee8bb..e2d6bc6bf33e4 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "9.5.1-canary.1",
+  "version": "9.5.1-canary.2",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index 0698cba1de421..7d5e20b341521 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.5.1-canary.1",
+  "version": "9.5.1-canary.2",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/package.json b/packages/next/package.json
index a8936c9048631..317d460162b6e 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.5.1-canary.1",
+  "version": "9.5.1-canary.2",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -76,8 +76,8 @@
     "@babel/preset-typescript": "7.9.0",
     "@babel/runtime": "7.9.6",
     "@babel/types": "7.9.6",
-    "@next/react-dev-overlay": "9.5.1-canary.1",
-    "@next/react-refresh-utils": "9.5.1-canary.1",
+    "@next/react-dev-overlay": "9.5.1-canary.2",
+    "@next/react-refresh-utils": "9.5.1-canary.2",
     "ast-types": "0.13.2",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
@@ -119,7 +119,7 @@
     "react-dom": "^16.6.0"
   },
   "devDependencies": {
-    "@next/polyfill-nomodule": "9.5.1-canary.1",
+    "@next/polyfill-nomodule": "9.5.1-canary.2",
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index f1a25acd8b405..2f745f1df97ac 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-dev-overlay",
-  "version": "9.5.1-canary.1",
+  "version": "9.5.1-canary.2",
   "description": "A development-only overlay for developing React applications.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index 805a92b99e539..058a4cca9d097 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "9.5.1-canary.1",
+  "version": "9.5.1-canary.2",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",

From 9ab78bbae7708714f9c08180334f4ec8dd2dccbb Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Wed, 29 Jul 2020 21:53:37 +0200
Subject: [PATCH 54/90] retry installs on macos (#15641)

---
 .github/workflows/build_test_deploy.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/build_test_deploy.yml b/.github/workflows/build_test_deploy.yml
index bd74c76cff084..06a4594c7c4d0 100644
--- a/.github/workflows/build_test_deploy.yml
+++ b/.github/workflows/build_test_deploy.yml
@@ -80,7 +80,6 @@ jobs:
   testMacOS:
     name: macOS ( Basic, Production, Acceptance )
     runs-on: macos-latest
-    needs: build
     env:
       NEXT_TELEMETRY_DISABLED: 1
       NEXT_TEST_JOB: 1
@@ -90,7 +89,7 @@ jobs:
       - uses: actions/checkout@v2
       - run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
       # Installing dependencies again since OS changed
-      - run: yarn install --frozen-lockfile --check-files
+      - run: yarn install --frozen-lockfile --check-files || yarn install --frozen-lockfile --check-files
       - run: node run-tests.js test/integration/production/test/index.test.js
       - run: node run-tests.js test/integration/basic/test/index.test.js
       - run: node run-tests.js test/acceptance/*

From 3b4d460afd8bcb6437dca1456be2ad178722d9bb Mon Sep 17 00:00:00 2001
From: Rafael Almeida <rafaelalmeidatk@gmail.com>
Date: Wed, 29 Jul 2020 19:37:56 -0300
Subject: [PATCH 55/90] Remove console log from release script (#15652)

---
 release.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/release.js b/release.js
index 20fe0e3ac1c8d..0cf25473a4b92 100644
--- a/release.js
+++ b/release.js
@@ -56,7 +56,6 @@ const groupByLabels = async (commits, github) => {
 
   for (const commit of commits) {
     const pullRequest = await getCommitPullRequest(commit, github)
-    console.log({ pullRequest })
 
     if (pullRequest) {
       const section = getSectionForPullRequest(pullRequest)

From 3d98171daba775c85a036b3669c1ec603ff60ded Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Wed, 29 Jul 2020 19:19:32 -0400
Subject: [PATCH 56/90] Test webpack 5 beta (#15645)

---
 .github/workflows/build_test_deploy.yml       | 19 ++++++++++++++++++-
 packages/next/build/webpack-config.ts         |  9 +++++++--
 .../font-stylesheet-gathering-plugin.ts       |  2 +-
 3 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build_test_deploy.yml b/.github/workflows/build_test_deploy.yml
index 06a4594c7c4d0..2fb9ad7943345 100644
--- a/.github/workflows/build_test_deploy.yml
+++ b/.github/workflows/build_test_deploy.yml
@@ -78,7 +78,7 @@ jobs:
       - run: exit 0
 
   testMacOS:
-    name: macOS ( Basic, Production, Acceptance )
+    name: macOS (Basic, Production, Acceptance)
     runs-on: macos-latest
     env:
       NEXT_TELEMETRY_DISABLED: 1
@@ -94,6 +94,23 @@ jobs:
       - run: node run-tests.js test/integration/basic/test/index.test.js
       - run: node run-tests.js test/acceptance/*
 
+  testWebpack5:
+    name: webpack 5 (Basic, Production, Acceptance)
+    runs-on: ubuntu-latest
+    env:
+      NEXT_TELEMETRY_DISABLED: 1
+      NEXT_TEST_JOB: 1
+      HEADLESS: true
+
+    steps:
+      - uses: actions/checkout@v2
+      - run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+      - run: cat package.json | jq '.resolutions.webpack = "^5.0.0-beta.22"' > package.json.tmp && mv package.json.tmp package.json
+      - run: yarn install --check-files
+      - run: node run-tests.js test/integration/production/test/index.test.js
+      - run: node run-tests.js test/integration/basic/test/index.test.js
+      - run: node run-tests.js test/acceptance/*
+
   testFirefox:
     name: Test Firefox (production)
     runs-on: ubuntu-latest
diff --git a/packages/next/build/webpack-config.ts b/packages/next/build/webpack-config.ts
index 9ccc634070f09..8aaad35f4045e 100644
--- a/packages/next/build/webpack-config.ts
+++ b/packages/next/build/webpack-config.ts
@@ -53,7 +53,7 @@ import WebpackConformancePlugin, {
   ReactSyncScriptsConformanceCheck,
 } from './webpack/plugins/webpack-conformance-plugin'
 import { WellKnownErrorsPlugin } from './webpack/plugins/wellknown-errors-plugin'
-import FontStylesheetGatheringPlugin from './webpack/plugins/font-stylesheet-gathering-plugin'
+
 type ExcludesFalse = <T>(x: T | false) => x is T
 
 const isWebpack5 = parseInt(webpack.version!) === 5
@@ -984,7 +984,12 @@ export default async function getBaseWebpackConfig(
       config.experimental.optimizeFonts &&
         !dev &&
         isServer &&
-        new FontStylesheetGatheringPlugin(),
+        (function () {
+          const {
+            FontStylesheetGatheringPlugin,
+          } = require('./webpack/plugins/font-stylesheet-gathering-plugin')
+          return new FontStylesheetGatheringPlugin()
+        })(),
       config.experimental.conformance &&
         !isWebpack5 &&
         !dev &&
diff --git a/packages/next/build/webpack/plugins/font-stylesheet-gathering-plugin.ts b/packages/next/build/webpack/plugins/font-stylesheet-gathering-plugin.ts
index 3e3efba8d2bfb..7ffe92c0c309b 100644
--- a/packages/next/build/webpack/plugins/font-stylesheet-gathering-plugin.ts
+++ b/packages/next/build/webpack/plugins/font-stylesheet-gathering-plugin.ts
@@ -15,7 +15,7 @@ interface VisitorMap {
   [key: string]: (path: NodePath) => void
 }
 
-export default class FontStylesheetGatheringPlugin {
+export class FontStylesheetGatheringPlugin {
   compiler?: Compiler
   gatheredStylesheets: Array<string> = []
 

From c1e5b66cd7211e7fc351769b91ab93a60a90eeec Mon Sep 17 00:00:00 2001
From: Darsh Patel <darshkpatel@gmail.com>
Date: Thu, 30 Jul 2020 05:00:18 +0530
Subject: [PATCH 57/90] Fix: space issue in error overlay and add tests
 (#15617)

---
 .../src/internal/container/Errors.tsx         |  2 +-
 .../error-is-clickable/pages/first.js         |  4 +-
 .../error-is-clickable/test/index.test.js     | 75 +++++++++++++++++--
 3 files changed, 72 insertions(+), 9 deletions(-)

diff --git a/packages/react-dev-overlay/src/internal/container/Errors.tsx b/packages/react-dev-overlay/src/internal/container/Errors.tsx
index c05f1ca6ff0db..77b76b445be7f 100644
--- a/packages/react-dev-overlay/src/internal/container/Errors.tsx
+++ b/packages/react-dev-overlay/src/internal/container/Errors.tsx
@@ -62,7 +62,7 @@ function makeClickable(text: string): JSX.Element[] | string {
       return (
         <>
           <a href={word}>{word}</a>
-          {index === array.length - 1 ? ' ' : ''}
+          {index === array.length - 1 ? '' : ' '}
         </>
       )
     }
diff --git a/test/integration/error-is-clickable/pages/first.js b/test/integration/error-is-clickable/pages/first.js
index ec1762701e395..d680a9984bef4 100644
--- a/test/integration/error-is-clickable/pages/first.js
+++ b/test/integration/error-is-clickable/pages/first.js
@@ -1,3 +1,5 @@
 export default function Index() {
-  throw new Error('This error should be clickable. https://nextjs.org')
+  throw new Error(
+    'This error should be clickable. https://nextjs.org is the homepage. Visit https://nextjs.org/docs for documentation'
+  )
 }
diff --git a/test/integration/error-is-clickable/test/index.test.js b/test/integration/error-is-clickable/test/index.test.js
index 6bd4759426cdf..a63ccc90475cf 100644
--- a/test/integration/error-is-clickable/test/index.test.js
+++ b/test/integration/error-is-clickable/test/index.test.js
@@ -1,6 +1,14 @@
 /* eslint-env jest */
 
-import { findPort, killApp, launchApp, hasRedbox } from 'next-test-utils'
+import {
+  findPort,
+  killApp,
+  launchApp,
+  hasRedbox,
+  getRedboxHeader,
+  evaluate,
+  waitFor,
+} from 'next-test-utils'
 import webdriver from 'next-webdriver'
 import { join } from 'path'
 
@@ -23,14 +31,67 @@ describe('Clickable error link', () => {
 
     await hasRedbox(browser)
 
-    await browser.eval(`(function () {
-      document.querySelector("nextjs-portal")
-      .shadowRoot
-      .querySelector("#nextjs__container_errors_desc > a").click()
-      })()
-    `)
+    await evaluate(browser, () => {
+      document
+        .querySelector('body > nextjs-portal')
+        .shadowRoot.querySelector(
+          '#nextjs__container_errors_desc > a:nth-child(1)'
+        )
+        .click()
+    })
 
+    await waitFor(1000)
     const url = await browser.url()
+
     expect(url).toBe('https://nextjs.org/')
   })
+
+  it('Handles multiple links in error', async () => {
+    const browser = await webdriver(appPort, '/first')
+
+    // Open the first link from error
+    await hasRedbox(browser)
+
+    await evaluate(browser, () => {
+      document
+        .querySelector('body > nextjs-portal')
+        .shadowRoot.querySelector(
+          '#nextjs__container_errors_desc > a:nth-child(1)'
+        )
+        .click()
+    })
+    await waitFor(1000)
+    const url1 = await browser.url()
+
+    // Go back to error page
+    await browser.back()
+
+    // Open the second link from error
+    await hasRedbox(browser)
+
+    await evaluate(browser, () => {
+      document
+        .querySelector('body > nextjs-portal')
+        .shadowRoot.querySelector(
+          '#nextjs__container_errors_desc > a:nth-child(2)'
+        )
+        .click()
+    })
+    await waitFor(1000)
+    const url2 = await browser.url()
+
+    expect({ url1, url2 }).toEqual({
+      url1: 'https://nextjs.org/',
+      url2: 'https://nextjs.org/docs',
+    })
+  })
+
+  it('Shows error message correctly', async () => {
+    const browser = await webdriver(appPort, '/first')
+    await hasRedbox(browser)
+    const headerText = await getRedboxHeader(browser)
+    expect(headerText).toMatch(
+      /Error: This error should be clickable\. https:\/\/nextjs\.org is the homepage\. Visit https:\/\/nextjs\.org\/docs for documentation/
+    )
+  })
 })

From 59924967f1947a510884f2a65ade89c832c4f84e Mon Sep 17 00:00:00 2001
From: Stephen Cefali <scefali@sentry.io>
Date: Wed, 29 Jul 2020 16:58:11 -0700
Subject: [PATCH 58/90] remove broken server example (#15653)

This removes the server 4 example which breaks all server code since the error will happen when the file is sourced.
---
 examples/with-sentry/pages/index.js        |  8 --------
 examples/with-sentry/pages/server/test4.js | 12 ------------
 2 files changed, 20 deletions(-)
 delete mode 100644 examples/with-sentry/pages/server/test4.js

diff --git a/examples/with-sentry/pages/index.js b/examples/with-sentry/pages/index.js
index 9bf62707dee96..cdd464afa7cef 100644
--- a/examples/with-sentry/pages/index.js
+++ b/examples/with-sentry/pages/index.js
@@ -41,14 +41,6 @@ const Index = () => (
             Open in a new tab
           </a>
         </li>
-        <li>
-          There is a top-of-module Promise that rejects, but its result is not
-          awaited. Sentry should record Error('Server Test 4'). Note this will
-          also be recorded on the client side, once the page is hydrated.{' '}
-          <a href="/server/test4" target="_blank">
-            Open in a new tab
-          </a>
-        </li>
       </ul>
 
       <li>Client exceptions</li>
diff --git a/examples/with-sentry/pages/server/test4.js b/examples/with-sentry/pages/server/test4.js
deleted file mode 100644
index 05a3ecc9320bb..0000000000000
--- a/examples/with-sentry/pages/server/test4.js
+++ /dev/null
@@ -1,12 +0,0 @@
-const doAsyncWork = () => Promise.reject(new Error('Server Test 4'))
-doAsyncWork()
-
-const Test4 = () => <h1>Server Test 4</h1>
-
-// Define getServerSideProps so that the page will be server rendered
-// instead of statically generated
-export async function getServerSideProps() {
-  return { props: {} }
-}
-
-export default Test4

From 8f914a3bcbfbd15e874ef657242cd19ad7b88536 Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Wed, 29 Jul 2020 20:58:36 -0400
Subject: [PATCH 59/90] Fix error overlay hotlinking (#15658)

This pull request:

1. Relocates tests to correct location
1. Tests more scenarios
1. Fixes a bug with anchors at the start of error message
1. Fixes react key warning error

Fixes #15599
---
 .../src/internal/container/Errors.tsx         |  44 ++--
 test/acceptance/ReactRefreshLogBox.test.js    | 194 ++++++++++++++++++
 test/acceptance/helpers.js                    |  15 +-
 .../error-is-clickable/pages/first.js         |   5 -
 .../error-is-clickable/test/index.test.js     |  97 ---------
 5 files changed, 236 insertions(+), 119 deletions(-)
 delete mode 100644 test/integration/error-is-clickable/pages/first.js
 delete mode 100644 test/integration/error-is-clickable/test/index.test.js

diff --git a/packages/react-dev-overlay/src/internal/container/Errors.tsx b/packages/react-dev-overlay/src/internal/container/Errors.tsx
index 77b76b445be7f..951e414f50a88 100644
--- a/packages/react-dev-overlay/src/internal/container/Errors.tsx
+++ b/packages/react-dev-overlay/src/internal/container/Errors.tsx
@@ -53,21 +53,33 @@ function getErrorSignature(ev: SupportedErrorEvent): string {
   return ''
 }
 
-function makeClickable(text: string): JSX.Element[] | string {
-  // Regex Checks for http:// or https://
-  const linkRegex = /https?:\/\/[^\s/$.?#].[^\s]*/gi
-  if (!linkRegex.test(text)) return text
-  return text.split(' ').map((word, index, array) => {
-    if (linkRegex.test(word)) {
-      return (
-        <>
-          <a href={word}>{word}</a>
-          {index === array.length - 1 ? '' : ' '}
-        </>
-      )
-    }
-    return index === array.length - 1 ? <>{word}</> : <>{word} </>
-  })
+const HotlinkedText: React.FC<{
+  text: string
+}> = function HotlinkedText(props) {
+  const { text } = props
+
+  const linkRegex = /https?:\/\/[^\s/$.?#].[^\s]*/i
+  return (
+    <>
+      {linkRegex.test(text)
+        ? text.split(' ').map((word, index, array) => {
+            if (linkRegex.test(word)) {
+              return (
+                <React.Fragment key={`link-${index}`}>
+                  <a href={word}>{word}</a>
+                  {index === array.length - 1 ? '' : ' '}
+                </React.Fragment>
+              )
+            }
+            return index === array.length - 1 ? (
+              <React.Fragment key={`text-${index}`}>{word}</React.Fragment>
+            ) : (
+              <React.Fragment key={`text-${index}`}>{word} </React.Fragment>
+            )
+          })
+        : text}
+    </>
+  )
 }
 
 async function getErrorByType(
@@ -260,7 +272,7 @@ export const Errors: React.FC<ErrorsProps> = function Errors({ errors }) {
             </h1>
             <p id="nextjs__container_errors_desc">
               {activeError.error.name}:{' '}
-              {makeClickable(activeError.error.message)}
+              <HotlinkedText text={activeError.error.message} />
             </p>
             {isServerError ? (
               <div>
diff --git a/test/acceptance/ReactRefreshLogBox.test.js b/test/acceptance/ReactRefreshLogBox.test.js
index 17f56675229fa..6e66ac10ff519 100644
--- a/test/acceptance/ReactRefreshLogBox.test.js
+++ b/test/acceptance/ReactRefreshLogBox.test.js
@@ -848,3 +848,197 @@ test('scss syntax errors', async () => {
 
   await cleanup()
 })
+
+test('logbox: anchors links in error messages', async () => {
+  const [session, cleanup] = await sandbox()
+
+  await session.patch(
+    'index.js',
+    `
+      import { useCallback } from 'react'
+
+      export default function Index() {
+        const boom = useCallback(() => {
+          throw new Error('end http://nextjs.org')
+        }, [])
+        return (
+          <main>
+            <button onClick={boom}>Boom!</button>
+          </main>
+        )
+      }
+    `
+  )
+
+  expect(await session.hasRedbox()).toBe(false)
+  await session.evaluate(() => document.querySelector('button').click())
+  expect(await session.hasRedbox(true)).toBe(true)
+
+  const header = await session.getRedboxDescription()
+  expect(header).toMatchInlineSnapshot(`"Error: end http://nextjs.org"`)
+  expect(
+    await session.evaluate(
+      () =>
+        document
+          .querySelector('body > nextjs-portal')
+          .shadowRoot.querySelectorAll('#nextjs__container_errors_desc a')
+          .length
+    )
+  ).toBe(1)
+  expect(
+    await session.evaluate(
+      () =>
+        document
+          .querySelector('body > nextjs-portal')
+          .shadowRoot.querySelector(
+            '#nextjs__container_errors_desc a:nth-of-type(1)'
+          ).href
+    )
+  ).toMatchInlineSnapshot(`"http://nextjs.org/"`)
+
+  await session.patch(
+    'index.js',
+    `
+      import { useCallback } from 'react'
+
+      export default function Index() {
+        const boom = useCallback(() => {
+          throw new Error('http://nextjs.org start')
+        }, [])
+        return (
+          <main>
+            <button onClick={boom}>Boom!</button>
+          </main>
+        )
+      }
+    `
+  )
+
+  expect(await session.hasRedbox()).toBe(false)
+  await session.evaluate(() => document.querySelector('button').click())
+  expect(await session.hasRedbox(true)).toBe(true)
+
+  const header2 = await session.getRedboxDescription()
+  expect(header2).toMatchInlineSnapshot(`"Error: http://nextjs.org start"`)
+  expect(
+    await session.evaluate(
+      () =>
+        document
+          .querySelector('body > nextjs-portal')
+          .shadowRoot.querySelectorAll('#nextjs__container_errors_desc a')
+          .length
+    )
+  ).toBe(1)
+  expect(
+    await session.evaluate(
+      () =>
+        document
+          .querySelector('body > nextjs-portal')
+          .shadowRoot.querySelector(
+            '#nextjs__container_errors_desc a:nth-of-type(1)'
+          ).href
+    )
+  ).toMatchInlineSnapshot(`"http://nextjs.org/"`)
+
+  await session.patch(
+    'index.js',
+    `
+      import { useCallback } from 'react'
+
+      export default function Index() {
+        const boom = useCallback(() => {
+          throw new Error('middle http://nextjs.org end')
+        }, [])
+        return (
+          <main>
+            <button onClick={boom}>Boom!</button>
+          </main>
+        )
+      }
+    `
+  )
+
+  expect(await session.hasRedbox()).toBe(false)
+  await session.evaluate(() => document.querySelector('button').click())
+  expect(await session.hasRedbox(true)).toBe(true)
+
+  const header3 = await session.getRedboxDescription()
+  expect(header3).toMatchInlineSnapshot(`"Error: middle http://nextjs.org end"`)
+  expect(
+    await session.evaluate(
+      () =>
+        document
+          .querySelector('body > nextjs-portal')
+          .shadowRoot.querySelectorAll('#nextjs__container_errors_desc a')
+          .length
+    )
+  ).toBe(1)
+  expect(
+    await session.evaluate(
+      () =>
+        document
+          .querySelector('body > nextjs-portal')
+          .shadowRoot.querySelector(
+            '#nextjs__container_errors_desc a:nth-of-type(1)'
+          ).href
+    )
+  ).toMatchInlineSnapshot(`"http://nextjs.org/"`)
+
+  await session.patch(
+    'index.js',
+    `
+      import { useCallback } from 'react'
+
+      export default function Index() {
+        const boom = useCallback(() => {
+          throw new Error('multiple http://nextjs.org links http://example.com')
+        }, [])
+        return (
+          <main>
+            <button onClick={boom}>Boom!</button>
+          </main>
+        )
+      }
+    `
+  )
+
+  expect(await session.hasRedbox()).toBe(false)
+  await session.evaluate(() => document.querySelector('button').click())
+  expect(await session.hasRedbox(true)).toBe(true)
+
+  const header4 = await session.getRedboxDescription()
+  expect(header4).toMatchInlineSnapshot(
+    `"Error: multiple http://nextjs.org links http://example.com"`
+  )
+  expect(
+    await session.evaluate(
+      () =>
+        document
+          .querySelector('body > nextjs-portal')
+          .shadowRoot.querySelectorAll('#nextjs__container_errors_desc a')
+          .length
+    )
+  ).toBe(2)
+  expect(
+    await session.evaluate(
+      () =>
+        document
+          .querySelector('body > nextjs-portal')
+          .shadowRoot.querySelector(
+            '#nextjs__container_errors_desc a:nth-of-type(1)'
+          ).href
+    )
+  ).toMatchInlineSnapshot(`"http://nextjs.org/"`)
+  expect(
+    await session.evaluate(
+      () =>
+        document
+          .querySelector('body > nextjs-portal')
+          .shadowRoot.querySelector(
+            '#nextjs__container_errors_desc a:nth-of-type(2)'
+          ).href
+    )
+  ).toMatchInlineSnapshot(`"http://example.com/"`)
+
+  await cleanup()
+})
diff --git a/test/acceptance/helpers.js b/test/acceptance/helpers.js
index 44a5f4b72b491..56e8964de716f 100644
--- a/test/acceptance/helpers.js
+++ b/test/acceptance/helpers.js
@@ -136,13 +136,26 @@ export async function sandbox(id = nanoid(), initialFiles = new Map()) {
         } while (expected)
         return false
       },
+      async getRedboxDescription() {
+        return await this.evaluate(() => {
+          const portal = [].slice
+            .call(document.querySelectorAll('nextjs-portal'))
+            .find((p) =>
+              p.shadowRoot.querySelector('[data-nextjs-dialog-header]')
+            )
+          const root = portal.shadowRoot
+          return root
+            .querySelector('#nextjs__container_errors_desc')
+            .innerText.replace(/__WEBPACK_DEFAULT_EXPORT__/, 'Unknown')
+        })
+      },
       async getRedboxSource(includeHeader = false) {
         const header = includeHeader
           ? await this.evaluate(() => {
               const portal = [].slice
                 .call(document.querySelectorAll('nextjs-portal'))
                 .find((p) =>
-                  p.shadowRoot.querySelector('[data-nextjs-dialog-header')
+                  p.shadowRoot.querySelector('[data-nextjs-dialog-header]')
                 )
               const root = portal.shadowRoot
               return root
diff --git a/test/integration/error-is-clickable/pages/first.js b/test/integration/error-is-clickable/pages/first.js
deleted file mode 100644
index d680a9984bef4..0000000000000
--- a/test/integration/error-is-clickable/pages/first.js
+++ /dev/null
@@ -1,5 +0,0 @@
-export default function Index() {
-  throw new Error(
-    'This error should be clickable. https://nextjs.org is the homepage. Visit https://nextjs.org/docs for documentation'
-  )
-}
diff --git a/test/integration/error-is-clickable/test/index.test.js b/test/integration/error-is-clickable/test/index.test.js
deleted file mode 100644
index a63ccc90475cf..0000000000000
--- a/test/integration/error-is-clickable/test/index.test.js
+++ /dev/null
@@ -1,97 +0,0 @@
-/* eslint-env jest */
-
-import {
-  findPort,
-  killApp,
-  launchApp,
-  hasRedbox,
-  getRedboxHeader,
-  evaluate,
-  waitFor,
-} from 'next-test-utils'
-import webdriver from 'next-webdriver'
-import { join } from 'path'
-
-jest.setTimeout(1000 * 60 * 5)
-let app
-let appPort
-const appDir = join(__dirname, '..')
-
-describe('Clickable error link', () => {
-  beforeAll(async () => {
-    appPort = await findPort()
-    app = await launchApp(appDir, appPort, {
-      env: { __NEXT_TEST_WITH_DEVTOOL: 1 },
-    })
-  })
-  afterAll(() => killApp(app))
-
-  it('Shows error which is clickable and redirects', async () => {
-    const browser = await webdriver(appPort, '/first')
-
-    await hasRedbox(browser)
-
-    await evaluate(browser, () => {
-      document
-        .querySelector('body > nextjs-portal')
-        .shadowRoot.querySelector(
-          '#nextjs__container_errors_desc > a:nth-child(1)'
-        )
-        .click()
-    })
-
-    await waitFor(1000)
-    const url = await browser.url()
-
-    expect(url).toBe('https://nextjs.org/')
-  })
-
-  it('Handles multiple links in error', async () => {
-    const browser = await webdriver(appPort, '/first')
-
-    // Open the first link from error
-    await hasRedbox(browser)
-
-    await evaluate(browser, () => {
-      document
-        .querySelector('body > nextjs-portal')
-        .shadowRoot.querySelector(
-          '#nextjs__container_errors_desc > a:nth-child(1)'
-        )
-        .click()
-    })
-    await waitFor(1000)
-    const url1 = await browser.url()
-
-    // Go back to error page
-    await browser.back()
-
-    // Open the second link from error
-    await hasRedbox(browser)
-
-    await evaluate(browser, () => {
-      document
-        .querySelector('body > nextjs-portal')
-        .shadowRoot.querySelector(
-          '#nextjs__container_errors_desc > a:nth-child(2)'
-        )
-        .click()
-    })
-    await waitFor(1000)
-    const url2 = await browser.url()
-
-    expect({ url1, url2 }).toEqual({
-      url1: 'https://nextjs.org/',
-      url2: 'https://nextjs.org/docs',
-    })
-  })
-
-  it('Shows error message correctly', async () => {
-    const browser = await webdriver(appPort, '/first')
-    await hasRedbox(browser)
-    const headerText = await getRedboxHeader(browser)
-    expect(headerText).toMatch(
-      /Error: This error should be clickable\. https:\/\/nextjs\.org is the homepage\. Visit https:\/\/nextjs\.org\/docs for documentation/
-    )
-  })
-})

From 925384c1cf150201aa4b7a47dd7edce77d411ef3 Mon Sep 17 00:00:00 2001
From: Luis Alvarez D <luis@vercel.com>
Date: Wed, 29 Jul 2020 21:35:25 -0500
Subject: [PATCH 60/90] Added docs for Incremental Static Regeneration (#15663)

---
 docs/basic-features/data-fetching.md | 75 +++++++++++++++++++++++++++-
 1 file changed, 74 insertions(+), 1 deletion(-)

diff --git a/docs/basic-features/data-fetching.md b/docs/basic-features/data-fetching.md
index b09a724798835..736d449c1d560 100644
--- a/docs/basic-features/data-fetching.md
+++ b/docs/basic-features/data-fetching.md
@@ -54,6 +54,11 @@ The `context` parameter is an object containing the following keys:
 - `preview` is `true` if the page is in the preview mode and `false` otherwise. See the [Preview Mode documentation](/docs/advanced-features/preview-mode.md).
 - `previewData` contains the preview data set by `setPreviewData`. See the [Preview Mode documentation](/docs/advanced-features/preview-mode.md).
 
+`getStaticProps` should return an object with:
+
+- `props` - A **required** object with the props that will be received by the page component. It should be a [serializable object](https://en.wikipedia.org/wiki/Serialization)
+- `revalidate` - An **optional** amount in seconds after which a page re-generation can occur. More on [Incremental Static Regeneration](#incremental-static-regeneration)
+
 > **Note**: You can import modules in top-level scope for use in `getStaticProps`.
 > Imports used in `getStaticProps` will not be bundled for the client-side, as [explained below](#write-server-side-code-directly).
 
@@ -143,6 +148,67 @@ function Blog({ posts }: InferGetStaticPropsType<typeof getStaticProps>) {
 export default Blog
 ```
 
+### Incremental Static Regeneration
+
+> This feature was introduced in [Next.js 9.5](https://nextjs.org/blog/next-9-5#stable-incremental-static-regeneration) and up. If you’re using older versions of Next.js, please upgrade before trying Incremental Static Regeneration.
+
+<details open>
+  <summary><b>Examples</b></summary>
+  <ul>
+    <li><a href="https://reactions-demo.now.sh/">Static Reactions Demo</a></li>
+  </ul>
+</details>
+
+With [`getStaticProps`](#getstaticprops-static-generation) you don't have to stop relying in dynamic content, as **static content can also be dynamic**. Incremental Static Regeneration allows you to update _existing_ pages by re-rendering them in the background as traffic comes in.
+
+Inspired by [stale-while-revalidate](https://tools.ietf.org/html/rfc5861), background regeneration ensures traffic is served uninterruptedly, always from static storage, and the newly built page is pushed only after it's done generating.
+
+Consider our previous [`getStaticProps` example](#simple-example), but now with regeneration enabled:
+
+```jsx
+function Blog({ posts }) {
+  return (
+    <ul>
+      {posts.map((post) => (
+        <li>{post.title}</li>
+      ))}
+    </ul>
+  )
+}
+
+// This function gets called at build time on server-side.
+// It may be called again, on a serverless function, if
+// revalidation is enabled and a new request comes in
+export async function getStaticProps() {
+  const res = await fetch('https://.../posts')
+  const posts = await res.json()
+
+  return {
+    props: {
+      posts,
+    },
+    // Next.js will attempt to re-generate the page:
+    // - When a request comes in
+    // - At most once every second
+    revalidate: 1, // In seconds
+  }
+}
+
+export default Blog
+```
+
+Now the list of blog posts will be revalidated once per second; if you add a new blog post it will be available almost immediately, without having to re-build your app or make a new deployment.
+
+This works perfectly with [`fallback: true`](#fallback-true). Because now you can have a list of posts that's always up to date with the latest posts, and have a [blog post page](#fallback-pages) that generates blog posts on-demand, no matter how many posts you add or update.
+
+#### Static content at scale
+
+Unlike traditional SSR, [Incremental Static Regeneration](#incremental-static-regeneration) ensures you retain the benefits of static:
+
+- No spikes in latency. Pages are served consistently fast
+- Pages never go offline. If the background page re-generation fails, the old page remains unaltered
+- Low database and backend load. Pages are re-computed at most once concurrently
+
 ### Reading files: Use `process.cwd()`
 
 Files can be read directly from the filesystem in `getStaticProps`.
@@ -387,7 +453,12 @@ export async function getStaticProps({ params }) {
   const post = await res.json()
 
   // Pass post data to the page via props
-  return { props: { post } }
+  return {
+    props: { post },
+    // Re-generate the post at most once per second
+    // if a request comes in
+    revalidate: 1,
+  }
 }
 
 export default Post
@@ -401,6 +472,8 @@ Instead, you may statically generate a small subset of pages and use `fallback:
 
 This ensures that users always have a fast experience while preserving fast builds and the benefits of Static Generation.
 
+`fallback: true` will not _update_ generated pages, for that take a look at [Incremental Static Regeneration](#incremental-static-regeneration).
+
 ### When should I use `getStaticPaths`?
 
 You should use `getStaticPaths` if you’re statically pre-rendering pages that use dynamic routes.

From 662d84b95b3d1b52ad7e105e54bf95028be8fce0 Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Wed, 29 Jul 2020 22:36:18 -0400
Subject: [PATCH 61/90] v9.5.1-canary.3

---
 lerna.json                                         | 2 +-
 packages/create-next-app/package.json              | 2 +-
 packages/eslint-plugin-next/package.json           | 2 +-
 packages/next-bundle-analyzer/package.json         | 2 +-
 packages/next-mdx/package.json                     | 2 +-
 packages/next-plugin-google-analytics/package.json | 2 +-
 packages/next-plugin-sentry/package.json           | 2 +-
 packages/next-plugin-storybook/package.json        | 2 +-
 packages/next-polyfill-nomodule/package.json       | 2 +-
 packages/next/package.json                         | 8 ++++----
 packages/react-dev-overlay/package.json            | 2 +-
 packages/react-refresh-utils/package.json          | 2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lerna.json b/lerna.json
index 1cbebc9562857..debe2457f0345 100644
--- a/lerna.json
+++ b/lerna.json
@@ -17,5 +17,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.5.1-canary.2"
+  "version": "9.5.1-canary.3"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index 96e73475526cb..32494dcdbe213 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.5.1-canary.2",
+  "version": "9.5.1-canary.3",
   "keywords": [
     "react",
     "next",
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index 0bf0bc3e4cbd4..7e6b7dc9e18d6 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "9.5.1-canary.2",
+  "version": "9.5.1-canary.3",
   "description": "ESLint plugin for NextJS.",
   "main": "lib/index.js",
   "license": "MIT",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index 90b78b157408e..fbd5db9b2de26 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.5.1-canary.2",
+  "version": "9.5.1-canary.3",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index 80b66b4775d69..ea530a972e182 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.5.1-canary.2",
+  "version": "9.5.1-canary.3",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index b11dc28159212..652572ba2f240 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.5.1-canary.2",
+  "version": "9.5.1-canary.3",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-google-analytics"
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index b472d68b837c7..f6c9b03452f5c 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.5.1-canary.2",
+  "version": "9.5.1-canary.3",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-sentry"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index e2d6bc6bf33e4..01d115a5c10c8 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "9.5.1-canary.2",
+  "version": "9.5.1-canary.3",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index 7d5e20b341521..37082fbae116a 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.5.1-canary.2",
+  "version": "9.5.1-canary.3",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/package.json b/packages/next/package.json
index 317d460162b6e..9a1bbb4d7d3ff 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.5.1-canary.2",
+  "version": "9.5.1-canary.3",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -76,8 +76,8 @@
     "@babel/preset-typescript": "7.9.0",
     "@babel/runtime": "7.9.6",
     "@babel/types": "7.9.6",
-    "@next/react-dev-overlay": "9.5.1-canary.2",
-    "@next/react-refresh-utils": "9.5.1-canary.2",
+    "@next/react-dev-overlay": "9.5.1-canary.3",
+    "@next/react-refresh-utils": "9.5.1-canary.3",
     "ast-types": "0.13.2",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
@@ -119,7 +119,7 @@
     "react-dom": "^16.6.0"
   },
   "devDependencies": {
-    "@next/polyfill-nomodule": "9.5.1-canary.2",
+    "@next/polyfill-nomodule": "9.5.1-canary.3",
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index 2f745f1df97ac..b86c6f64a10f7 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-dev-overlay",
-  "version": "9.5.1-canary.2",
+  "version": "9.5.1-canary.3",
   "description": "A development-only overlay for developing React applications.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index 058a4cca9d097..c073062ead22e 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "9.5.1-canary.2",
+  "version": "9.5.1-canary.3",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",

From 6b0c4948f08ccb42efa152c61cea0fdd9502f38b Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Wed, 29 Jul 2020 23:11:48 -0400
Subject: [PATCH 62/90] v9.5.1

---
 lerna.json                                         | 2 +-
 packages/create-next-app/package.json              | 2 +-
 packages/eslint-plugin-next/package.json           | 2 +-
 packages/next-bundle-analyzer/package.json         | 2 +-
 packages/next-mdx/package.json                     | 2 +-
 packages/next-plugin-google-analytics/package.json | 2 +-
 packages/next-plugin-sentry/package.json           | 2 +-
 packages/next-plugin-storybook/package.json        | 2 +-
 packages/next-polyfill-nomodule/package.json       | 2 +-
 packages/next/package.json                         | 8 ++++----
 packages/react-dev-overlay/package.json            | 2 +-
 packages/react-refresh-utils/package.json          | 2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lerna.json b/lerna.json
index debe2457f0345..ee42cabe7a987 100644
--- a/lerna.json
+++ b/lerna.json
@@ -17,5 +17,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.5.1-canary.3"
+  "version": "9.5.1"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index 32494dcdbe213..3d51be4dd26b0 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.5.1-canary.3",
+  "version": "9.5.1",
   "keywords": [
     "react",
     "next",
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index 7e6b7dc9e18d6..2b736dec9dea7 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "9.5.1-canary.3",
+  "version": "9.5.1",
   "description": "ESLint plugin for NextJS.",
   "main": "lib/index.js",
   "license": "MIT",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index fbd5db9b2de26..9a2adaed67e03 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.5.1-canary.3",
+  "version": "9.5.1",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index ea530a972e182..a9399e18b952a 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.5.1-canary.3",
+  "version": "9.5.1",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index 652572ba2f240..be61a400f3f87 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.5.1-canary.3",
+  "version": "9.5.1",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-google-analytics"
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index f6c9b03452f5c..84769b91d165a 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.5.1-canary.3",
+  "version": "9.5.1",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-sentry"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index 01d115a5c10c8..64242b5e41d11 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "9.5.1-canary.3",
+  "version": "9.5.1",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index 37082fbae116a..734155e2e01d1 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.5.1-canary.3",
+  "version": "9.5.1",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/package.json b/packages/next/package.json
index 9a1bbb4d7d3ff..d78a3ee406aab 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.5.1-canary.3",
+  "version": "9.5.1",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -76,8 +76,8 @@
     "@babel/preset-typescript": "7.9.0",
     "@babel/runtime": "7.9.6",
     "@babel/types": "7.9.6",
-    "@next/react-dev-overlay": "9.5.1-canary.3",
-    "@next/react-refresh-utils": "9.5.1-canary.3",
+    "@next/react-dev-overlay": "9.5.1",
+    "@next/react-refresh-utils": "9.5.1",
     "ast-types": "0.13.2",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
@@ -119,7 +119,7 @@
     "react-dom": "^16.6.0"
   },
   "devDependencies": {
-    "@next/polyfill-nomodule": "9.5.1-canary.3",
+    "@next/polyfill-nomodule": "9.5.1",
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index b86c6f64a10f7..cfcbb263484e9 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-dev-overlay",
-  "version": "9.5.1-canary.3",
+  "version": "9.5.1",
   "description": "A development-only overlay for developing React applications.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index c073062ead22e..289650592d603 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "9.5.1-canary.3",
+  "version": "9.5.1",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",

From cac35c389a18236b815dbc44e1e8a75792e215db Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Wed, 29 Jul 2020 23:44:25 -0400
Subject: [PATCH 63/90] Fix hot reloader edge case with broken webpack plugins
 (#15659)

---
 packages/next/server/hot-reloader.ts          | 32 ++++++++++++--
 packages/react-dev-overlay/src/middleware.ts  |  4 +-
 .../broken-webpack-plugin/next.config.js      | 16 +++++++
 .../broken-webpack-plugin/pages/index.js      |  3 ++
 .../broken-webpack-plugin/test/index.test.js  | 42 +++++++++++++++++++
 5 files changed, 91 insertions(+), 6 deletions(-)
 create mode 100644 test/integration/broken-webpack-plugin/next.config.js
 create mode 100644 test/integration/broken-webpack-plugin/pages/index.js
 create mode 100644 test/integration/broken-webpack-plugin/test/index.test.js

diff --git a/packages/next/server/hot-reloader.ts b/packages/next/server/hot-reloader.ts
index 32e8b137869b3..c6107375b1926 100644
--- a/packages/next/server/hot-reloader.ts
+++ b/packages/next/server/hot-reloader.ts
@@ -143,8 +143,10 @@ export default class HotReloader {
   private pagesDir: string
   private webpackHotMiddleware: (NextHandleFunction & any) | null
   private config: any
-  private stats: any
-  private serverStats: any
+  private stats: webpack.Stats | null
+  private serverStats: webpack.Stats | null
+  private clientError: Error | null = null
+  private serverError: Error | null = null
   private serverPrevDocumentHash: string | null
   private prevChunkNames?: Set<any>
   private onDemandEntries: any
@@ -349,9 +351,17 @@ export default class HotReloader {
     watchCompilers(multiCompiler.compilers[0], multiCompiler.compilers[1])
 
     // This plugin watches for changes to _document.js and notifies the client side that it should reload the page
+    multiCompiler.compilers[1].hooks.failed.tap(
+      'NextjsHotReloaderForServer',
+      (err: Error) => {
+        this.serverError = err
+        this.serverStats = null
+      }
+    )
     multiCompiler.compilers[1].hooks.done.tap(
       'NextjsHotReloaderForServer',
       (stats) => {
+        this.serverError = null
         this.serverStats = stats
 
         const { compilation } = stats
@@ -384,9 +394,19 @@ export default class HotReloader {
       }
     )
 
+    multiCompiler.compilers[0].hooks.failed.tap(
+      'NextjsHotReloaderForClient',
+      (err: Error) => {
+        this.clientError = err
+        this.stats = null
+      }
+    )
     multiCompiler.compilers[0].hooks.done.tap(
       'NextjsHotReloaderForClient',
       (stats) => {
+        this.clientError = null
+        this.stats = stats
+
         const { compilation } = stats
         const chunkNames = new Set(
           compilation.chunks
@@ -415,7 +435,6 @@ export default class HotReloader {
           }
         }
 
-        this.stats = stats
         this.prevChunkNames = chunkNames
       }
     )
@@ -471,7 +490,9 @@ export default class HotReloader {
   public async getCompilationErrors(page: string) {
     const normalizedPage = normalizePathSep(page)
 
-    if (this.stats.hasErrors()) {
+    if (this.clientError || this.serverError) {
+      return [this.clientError || this.serverError]
+    } else if (this.stats?.hasErrors()) {
       const { compilation } = this.stats
       const failedPages = erroredPages(compilation)
 
@@ -499,6 +520,9 @@ export default class HotReloader {
     if (page !== '/_error' && BLOCKED_PAGES.indexOf(page) !== -1) {
       return
     }
+    if (this.serverError || this.clientError) {
+      return Promise.reject(this.serverError || this.clientError)
+    }
     return this.onDemandEntries.ensurePage(page)
   }
 }
diff --git a/packages/react-dev-overlay/src/middleware.ts b/packages/react-dev-overlay/src/middleware.ts
index 8e13803c677e5..1b02b9363650d 100644
--- a/packages/react-dev-overlay/src/middleware.ts
+++ b/packages/react-dev-overlay/src/middleware.ts
@@ -16,8 +16,8 @@ import { launchEditor } from './internal/helpers/launchEditor'
 
 export type OverlayMiddlewareOptions = {
   rootDirectory: string
-  stats(): webpack.Stats
-  serverStats(): webpack.Stats
+  stats(): webpack.Stats | null
+  serverStats(): webpack.Stats | null
 }
 
 export type OriginalStackFrameResponse = {
diff --git a/test/integration/broken-webpack-plugin/next.config.js b/test/integration/broken-webpack-plugin/next.config.js
new file mode 100644
index 0000000000000..c14251ffe33e5
--- /dev/null
+++ b/test/integration/broken-webpack-plugin/next.config.js
@@ -0,0 +1,16 @@
+class BrokenPlugin {
+  apply(compiler) {
+    compiler.hooks.watchRun.tapPromise('BrokenPlugin', async () => {
+      throw new Error('oops')
+    })
+  }
+}
+
+module.exports = {
+  webpack(config, { isServer }) {
+    if (!isServer) {
+      config.plugins.push(new BrokenPlugin())
+    }
+    return config
+  },
+}
diff --git a/test/integration/broken-webpack-plugin/pages/index.js b/test/integration/broken-webpack-plugin/pages/index.js
new file mode 100644
index 0000000000000..7c59e5d83927d
--- /dev/null
+++ b/test/integration/broken-webpack-plugin/pages/index.js
@@ -0,0 +1,3 @@
+export default function Test() {
+  return <p>hello from index</p>
+}
diff --git a/test/integration/broken-webpack-plugin/test/index.test.js b/test/integration/broken-webpack-plugin/test/index.test.js
new file mode 100644
index 0000000000000..0e8bbf2ec2843
--- /dev/null
+++ b/test/integration/broken-webpack-plugin/test/index.test.js
@@ -0,0 +1,42 @@
+/* eslint-env jest */
+
+import { findPort, killApp, launchApp, renderViaHTTP } from 'next-test-utils'
+import { join } from 'path'
+import waitPort from 'wait-port'
+
+jest.setTimeout(1000 * 60 * 2)
+
+const appDir = join(__dirname, '../')
+
+let appPort
+let app
+
+describe('Handles a broken webpack plugin (precompile)', () => {
+  let stderr = ''
+  beforeAll(async () => {
+    appPort = await findPort()
+    app = await launchApp(appDir, appPort, {
+      stderr: true,
+      nextStart: true,
+      onStderr(text) {
+        stderr += text
+      },
+    })
+    await waitPort({
+      host: 'localhost',
+      port: appPort,
+    })
+  })
+  afterAll(() => killApp(app))
+
+  beforeEach(() => {
+    stderr = ''
+  })
+
+  it('should render error correctly', async () => {
+    const text = await renderViaHTTP(appPort, '/')
+    expect(text).toContain('Internal Server Error')
+
+    expect(stderr).toMatch('Error: oops')
+  })
+})

From 6a48e3de60860db1096e40e46bb02f2e4fa69d1e Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Wed, 29 Jul 2020 23:53:24 -0400
Subject: [PATCH 64/90] v9.5.2-canary.0

---
 lerna.json                                         | 2 +-
 packages/create-next-app/package.json              | 2 +-
 packages/eslint-plugin-next/package.json           | 2 +-
 packages/next-bundle-analyzer/package.json         | 2 +-
 packages/next-mdx/package.json                     | 2 +-
 packages/next-plugin-google-analytics/package.json | 2 +-
 packages/next-plugin-sentry/package.json           | 2 +-
 packages/next-plugin-storybook/package.json        | 2 +-
 packages/next-polyfill-nomodule/package.json       | 2 +-
 packages/next/package.json                         | 8 ++++----
 packages/react-dev-overlay/package.json            | 2 +-
 packages/react-refresh-utils/package.json          | 2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lerna.json b/lerna.json
index ee42cabe7a987..f24fc3d060bec 100644
--- a/lerna.json
+++ b/lerna.json
@@ -17,5 +17,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.5.1"
+  "version": "9.5.2-canary.0"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index 3d51be4dd26b0..cb25c60a83a4b 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.5.1",
+  "version": "9.5.2-canary.0",
   "keywords": [
     "react",
     "next",
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index 2b736dec9dea7..4ac61c9b771d1 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "9.5.1",
+  "version": "9.5.2-canary.0",
   "description": "ESLint plugin for NextJS.",
   "main": "lib/index.js",
   "license": "MIT",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index 9a2adaed67e03..cbdcd17ad1cf0 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.5.1",
+  "version": "9.5.2-canary.0",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index a9399e18b952a..4460832ec19b7 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.5.1",
+  "version": "9.5.2-canary.0",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index be61a400f3f87..0f94586cf426e 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.5.1",
+  "version": "9.5.2-canary.0",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-google-analytics"
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index 84769b91d165a..b3c3c1db07324 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.5.1",
+  "version": "9.5.2-canary.0",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-sentry"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index 64242b5e41d11..90dce52338e8b 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "9.5.1",
+  "version": "9.5.2-canary.0",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index 734155e2e01d1..79f07fa1dee1d 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.5.1",
+  "version": "9.5.2-canary.0",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/package.json b/packages/next/package.json
index d78a3ee406aab..fe078c46ea6e5 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.5.1",
+  "version": "9.5.2-canary.0",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -76,8 +76,8 @@
     "@babel/preset-typescript": "7.9.0",
     "@babel/runtime": "7.9.6",
     "@babel/types": "7.9.6",
-    "@next/react-dev-overlay": "9.5.1",
-    "@next/react-refresh-utils": "9.5.1",
+    "@next/react-dev-overlay": "9.5.2-canary.0",
+    "@next/react-refresh-utils": "9.5.2-canary.0",
     "ast-types": "0.13.2",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
@@ -119,7 +119,7 @@
     "react-dom": "^16.6.0"
   },
   "devDependencies": {
-    "@next/polyfill-nomodule": "9.5.1",
+    "@next/polyfill-nomodule": "9.5.2-canary.0",
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index cfcbb263484e9..4227f3edeb721 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-dev-overlay",
-  "version": "9.5.1",
+  "version": "9.5.2-canary.0",
   "description": "A development-only overlay for developing React applications.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index 289650592d603..4fb642878c746 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "9.5.1",
+  "version": "9.5.2-canary.0",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",

From ce56b601665a972f91ec5e6bf7ebd918bba2dcc0 Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Wed, 29 Jul 2020 23:47:20 -0500
Subject: [PATCH 65/90] Add additional pageProps check (#15667)

`pageProps` should always be defined to ensure everything is working as expected although to prevent a breaking change this adds an additional check before attempting to access `pageProps` before hydration. It also adds tests to prevent regressing on this

Closes: https://github.com/vercel/next.js/issues/15647
---
 packages/next/client/index.js                 |   1 +
 test/integration/no-page-props/pages/_app.js  |  24 ++++
 test/integration/no-page-props/pages/gsp.js   |  11 ++
 test/integration/no-page-props/pages/gssp.js  |  11 ++
 test/integration/no-page-props/pages/index.js |  21 ++++
 .../no-page-props/test/index.test.js          | 104 ++++++++++++++++++
 6 files changed, 172 insertions(+)
 create mode 100644 test/integration/no-page-props/pages/_app.js
 create mode 100644 test/integration/no-page-props/pages/gsp.js
 create mode 100644 test/integration/no-page-props/pages/gssp.js
 create mode 100644 test/integration/no-page-props/pages/index.js
 create mode 100644 test/integration/no-page-props/test/index.test.js

diff --git a/packages/next/client/index.js b/packages/next/client/index.js
index 2b1ee736a78d0..91a723c06738e 100644
--- a/packages/next/client/index.js
+++ b/packages/next/client/index.js
@@ -57,6 +57,7 @@ if (
   !(
     page === '/_error' &&
     hydrateProps &&
+    hydrateProps.pageProps &&
     hydrateProps.pageProps.statusCode === '404'
   )
 ) {
diff --git a/test/integration/no-page-props/pages/_app.js b/test/integration/no-page-props/pages/_app.js
new file mode 100644
index 0000000000000..613e7714d2a5d
--- /dev/null
+++ b/test/integration/no-page-props/pages/_app.js
@@ -0,0 +1,24 @@
+function App({ Component, pageProps }) {
+  return <Component {...pageProps} />
+}
+
+if (typeof window !== 'undefined') {
+  window.uncaughtErrors = []
+  window.addEventListener('error', (err) => {
+    window.uncaughtErrors.push(err)
+  })
+  window.addEventListener('unhandledrejection', (err) => {
+    window.uncaughtErrors.push(err)
+  })
+}
+
+App.getInitialProps = async ({ Component, ctx }) => {
+  const props = {}
+
+  if (Component.getInitialProps) {
+    props.initialProps = await Component.getInitialProps(ctx)
+  }
+  return props
+}
+
+export default App
diff --git a/test/integration/no-page-props/pages/gsp.js b/test/integration/no-page-props/pages/gsp.js
new file mode 100644
index 0000000000000..82117da6a7dec
--- /dev/null
+++ b/test/integration/no-page-props/pages/gsp.js
@@ -0,0 +1,11 @@
+export default function Gsp() {
+  return <p id="gsp">getStaticProps</p>
+}
+
+export const getStaticProps = () => {
+  return {
+    props: {
+      hello: 'world',
+    },
+  }
+}
diff --git a/test/integration/no-page-props/pages/gssp.js b/test/integration/no-page-props/pages/gssp.js
new file mode 100644
index 0000000000000..cc7bc7e1eb2b1
--- /dev/null
+++ b/test/integration/no-page-props/pages/gssp.js
@@ -0,0 +1,11 @@
+export default function Gssp() {
+  return <p id="gssp">getServerSideProps</p>
+}
+
+export const getServerSideProps = () => {
+  return {
+    props: {
+      hello: 'world',
+    },
+  }
+}
diff --git a/test/integration/no-page-props/pages/index.js b/test/integration/no-page-props/pages/index.js
new file mode 100644
index 0000000000000..eab144bd52f4b
--- /dev/null
+++ b/test/integration/no-page-props/pages/index.js
@@ -0,0 +1,21 @@
+import Link from 'next/link'
+
+export default function Index() {
+  return (
+    <>
+      <p id="index">index</p>
+      <Link href="/gsp">
+        <a id="to-gsp">to gsp</a>
+      </Link>
+      <br />
+      <Link href="/gssp">
+        <a id="to-gssp">to gssp</a>
+      </Link>
+      <br />
+      <Link href="/non-existent">
+        <a id="to-404">to non-existent</a>
+      </Link>
+      <br />
+    </>
+  )
+}
diff --git a/test/integration/no-page-props/test/index.test.js b/test/integration/no-page-props/test/index.test.js
new file mode 100644
index 0000000000000..22d0af1070369
--- /dev/null
+++ b/test/integration/no-page-props/test/index.test.js
@@ -0,0 +1,104 @@
+/* eslint-env jest */
+
+import { join } from 'path'
+import webdriver from 'next-webdriver'
+import {
+  nextBuild,
+  nextStart,
+  findPort,
+  killApp,
+  launchApp,
+} from 'next-test-utils'
+
+jest.setTimeout(1000 * 60 * 1)
+const appDir = join(__dirname, '..')
+let app
+let appPort
+
+const runTests = () => {
+  it('should load auto-export page correctly', async () => {
+    const browser = await webdriver(appPort, '/')
+    expect(await browser.elementByCss('#index').text()).toBe('index')
+    expect(await browser.eval('window.uncaughtErrors')).toEqual([])
+  })
+
+  it('should load getStaticProps page correctly', async () => {
+    const browser = await webdriver(appPort, '/gsp')
+    expect(await browser.elementByCss('#gsp').text()).toBe('getStaticProps')
+    expect(await browser.eval('window.uncaughtErrors')).toEqual([])
+  })
+
+  it('should load getServerSideProps page correctly', async () => {
+    const browser = await webdriver(appPort, '/gssp')
+    expect(await browser.elementByCss('#gssp').text()).toBe(
+      'getServerSideProps'
+    )
+    expect(await browser.eval('window.uncaughtErrors')).toEqual([])
+  })
+
+  it('should load 404 page correctly', async () => {
+    const browser = await webdriver(appPort, '/non-existent')
+    expect(await browser.elementByCss('h2').text()).toBe(
+      'An unexpected error has occurred.'
+    )
+    expect(await browser.eval('window.uncaughtErrors')).toEqual([])
+  })
+
+  it('should navigate between pages correctly', async () => {
+    const browser = await webdriver(appPort, '/')
+
+    await browser.eval('window.beforeNav = "hi"')
+    await browser.elementByCss('#to-gsp').click()
+    await browser.waitForElementByCss('#gsp')
+
+    expect(await browser.elementByCss('#gsp').text()).toBe('getStaticProps')
+    expect(await browser.eval('window.beforeNav')).toBe('hi')
+
+    await browser.back()
+    await browser.waitForElementByCss('#index')
+    expect(await browser.eval('window.beforeNav')).toBe('hi')
+
+    await browser.elementByCss('#to-gssp').click()
+    await browser.waitForElementByCss('#gssp')
+
+    expect(await browser.elementByCss('#gssp').text()).toBe(
+      'getServerSideProps'
+    )
+    expect(await browser.eval('window.beforeNav')).toBe('hi')
+
+    await browser.back()
+    await browser.waitForElementByCss('#index')
+    expect(await browser.eval('window.beforeNav')).toBe('hi')
+
+    await browser.elementByCss('#to-404').click()
+    await browser.waitForElementByCss('h2')
+    expect(await browser.eval('window.beforeNav')).toBe(null)
+    expect(await browser.elementByCss('h2').text()).toBe(
+      'An unexpected error has occurred.'
+    )
+    expect(await browser.eval('window.uncaughtErrors')).toEqual([])
+  })
+}
+
+describe('Error no pageProps', () => {
+  describe('dev mode', () => {
+    beforeAll(async () => {
+      appPort = await findPort()
+      app = await launchApp(appDir, appPort)
+    })
+    afterAll(() => killApp(app))
+
+    runTests()
+  })
+
+  describe('production mode', () => {
+    beforeAll(async () => {
+      await nextBuild(appDir)
+      appPort = await findPort()
+      app = await nextStart(appDir, appPort)
+    })
+    afterAll(() => killApp(app))
+
+    runTests()
+  })
+})

From 3caa996096efba17a312c98517d750c2a56167f1 Mon Sep 17 00:00:00 2001
From: Arsalan Khattak <37709578+eKhattak@users.noreply.github.com>
Date: Thu, 30 Jul 2020 09:57:29 +0500
Subject: [PATCH 66/90] Error overlay should not be dismissable for a server
 error (#14011)

---
 .../src/internal/components/Dialog/Dialog.tsx |  2 +-
 .../LeftRightDialogHeader.tsx                 | 66 ++++++++++---------
 .../src/internal/container/Errors.tsx         |  4 +-
 3 files changed, 37 insertions(+), 35 deletions(-)

diff --git a/packages/react-dev-overlay/src/internal/components/Dialog/Dialog.tsx b/packages/react-dev-overlay/src/internal/components/Dialog/Dialog.tsx
index 3ca74bb08eea4..e1891f9e695ac 100644
--- a/packages/react-dev-overlay/src/internal/components/Dialog/Dialog.tsx
+++ b/packages/react-dev-overlay/src/internal/components/Dialog/Dialog.tsx
@@ -5,7 +5,7 @@ export type DialogProps = {
   type: 'error' | 'warning'
   'aria-labelledby': string
   'aria-describedby': string
-  onClose: (e: MouseEvent | TouchEvent) => void
+  onClose?: (e: MouseEvent | TouchEvent) => void
 }
 
 const Dialog: React.FC<DialogProps> = function Dialog({
diff --git a/packages/react-dev-overlay/src/internal/components/LeftRightDialogHeader/LeftRightDialogHeader.tsx b/packages/react-dev-overlay/src/internal/components/LeftRightDialogHeader/LeftRightDialogHeader.tsx
index 94360108a1030..c1bc4d31fc63d 100644
--- a/packages/react-dev-overlay/src/internal/components/LeftRightDialogHeader/LeftRightDialogHeader.tsx
+++ b/packages/react-dev-overlay/src/internal/components/LeftRightDialogHeader/LeftRightDialogHeader.tsx
@@ -4,7 +4,7 @@ export type LeftRightDialogHeaderProps = {
   className?: string
   previous: (() => void) | null
   next: (() => void) | null
-  close: () => void
+  close?: () => void
 }
 
 const LeftRightDialogHeader: React.FC<LeftRightDialogHeaderProps> = function LeftRightDialogHeader({
@@ -142,37 +142,39 @@ const LeftRightDialogHeader: React.FC<LeftRightDialogHeaderProps> = function Lef
         &nbsp;
         {children}
       </nav>
-      <button
-        ref={buttonClose}
-        type="button"
-        onClick={close}
-        aria-label="Close"
-      >
-        <span aria-hidden="true">
-          <svg
-            width="24"
-            height="24"
-            viewBox="0 0 24 24"
-            fill="none"
-            xmlns="http://www.w3.org/2000/svg"
-          >
-            <path
-              d="M18 6L6 18"
-              stroke="currentColor"
-              strokeWidth="2"
-              strokeLinecap="round"
-              strokeLinejoin="round"
-            />
-            <path
-              d="M6 6L18 18"
-              stroke="currentColor"
-              strokeWidth="2"
-              strokeLinecap="round"
-              strokeLinejoin="round"
-            />
-          </svg>
-        </span>
-      </button>
+      {close && (
+        <button
+          ref={buttonClose}
+          type="button"
+          onClick={close}
+          aria-label="Close"
+        >
+          <span aria-hidden="true">
+            <svg
+              width="24"
+              height="24"
+              viewBox="0 0 24 24"
+              fill="none"
+              xmlns="http://www.w3.org/2000/svg"
+            >
+              <path
+                d="M18 6L6 18"
+                stroke="currentColor"
+                strokeWidth="2"
+                strokeLinecap="round"
+                strokeLinejoin="round"
+              />
+              <path
+                d="M6 6L18 18"
+                stroke="currentColor"
+                strokeWidth="2"
+                strokeLinecap="round"
+                strokeLinejoin="round"
+              />
+            </svg>
+          </span>
+        </button>
+      )}
     </div>
   )
 }
diff --git a/packages/react-dev-overlay/src/internal/container/Errors.tsx b/packages/react-dev-overlay/src/internal/container/Errors.tsx
index 951e414f50a88..d1e0d002ee0c3 100644
--- a/packages/react-dev-overlay/src/internal/container/Errors.tsx
+++ b/packages/react-dev-overlay/src/internal/container/Errors.tsx
@@ -252,14 +252,14 @@ export const Errors: React.FC<ErrorsProps> = function Errors({ errors }) {
         type="error"
         aria-labelledby="nextjs__container_errors_label"
         aria-describedby="nextjs__container_errors_desc"
-        onClose={minimize}
+        onClose={!isServerError && minimize}
       >
         <DialogContent>
           <DialogHeader className="nextjs-container-errors-header">
             <LeftRightDialogHeader
               previous={activeIdx > 0 ? previous : null}
               next={activeIdx < readyErrors.length - 1 ? next : null}
-              close={minimize}
+              close={!isServerError && minimize}
             >
               <small>
                 <span>{activeIdx + 1}</span> of{' '}

From dcb69ee92f9d8bac28f7c53d7ded30919931cf3d Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Thu, 30 Jul 2020 02:55:23 -0400
Subject: [PATCH 67/90] Strictly type `react-dev-overlay` (#15669)

Fixes #15668
---
 packages/react-dev-overlay/src/client.ts      |  4 +-
 .../src/internal/ReactDevOverlay.tsx          |  6 +-
 .../react-dev-overlay/src/internal/bus.ts     |  2 +-
 .../components/CodeFrame/CodeFrame.tsx        |  4 +-
 .../src/internal/components/Dialog/Dialog.tsx |  7 ++-
 .../LeftRightDialogHeader.tsx                 | 22 ++++---
 .../internal/components/Overlay/Overlay.tsx   |  6 +-
 .../src/internal/components/ShadowPortal.tsx  |  2 +-
 .../src/internal/container/Errors.tsx         |  6 +-
 .../src/internal/container/RuntimeError.tsx   |  6 +-
 .../src/internal/helpers/launchEditor.ts      | 63 +++++++------------
 .../src/internal/helpers/nodeStackFrames.ts   |  2 +-
 .../src/internal/helpers/parseStack.ts        |  4 +-
 .../src/internal/helpers/stack-frame.ts       |  4 +-
 .../internal/hooks/use-on-click-outside.ts    | 12 ++--
 packages/react-dev-overlay/src/middleware.ts  | 11 +++-
 packages/react-dev-overlay/tsconfig.json      |  1 +
 17 files changed, 78 insertions(+), 84 deletions(-)

diff --git a/packages/react-dev-overlay/src/client.ts b/packages/react-dev-overlay/src/client.ts
index 52104d0b1439b..fa204341d73f1 100644
--- a/packages/react-dev-overlay/src/client.ts
+++ b/packages/react-dev-overlay/src/client.ts
@@ -15,7 +15,7 @@ function onUnhandledError(ev: ErrorEvent) {
   Bus.emit({
     type: Bus.TYPE_UNHANDLED_ERROR,
     reason: error,
-    frames: parseStack(e.stack),
+    frames: parseStack(e.stack!),
   })
 }
 
@@ -34,7 +34,7 @@ function onUnhandledRejection(ev: PromiseRejectionEvent) {
   Bus.emit({
     type: Bus.TYPE_UNHANDLED_REJECTION,
     reason: reason,
-    frames: parseStack(e.stack),
+    frames: parseStack(e.stack!),
   })
 }
 
diff --git a/packages/react-dev-overlay/src/internal/ReactDevOverlay.tsx b/packages/react-dev-overlay/src/internal/ReactDevOverlay.tsx
index baf04aed7a406..7500e15983246 100644
--- a/packages/react-dev-overlay/src/internal/ReactDevOverlay.tsx
+++ b/packages/react-dev-overlay/src/internal/ReactDevOverlay.tsx
@@ -41,7 +41,9 @@ function reducer(state: OverlayState, ev: Bus.BusEvent): OverlayState {
   }
 }
 
-function ReactDevOverlay({ children }) {
+const ReactDevOverlay: React.FunctionComponent = function ReactDevOverlay({
+  children,
+}) {
   const [state, dispatch] = React.useReducer<
     React.Reducer<OverlayState, Bus.BusEvent>
   >(reducer, { nextId: 1, buildError: null, errors: [] })
@@ -76,7 +78,7 @@ function ReactDevOverlay({ children }) {
           <ComponentStyles />
 
           {hasBuildError ? (
-            <BuildError message={state.buildError} />
+            <BuildError message={state.buildError!} />
           ) : hasRuntimeErrors ? (
             <Errors errors={state.errors} />
           ) : undefined}
diff --git a/packages/react-dev-overlay/src/internal/bus.ts b/packages/react-dev-overlay/src/internal/bus.ts
index b2a4fc213c3e3..ebf32812ab695 100644
--- a/packages/react-dev-overlay/src/internal/bus.ts
+++ b/packages/react-dev-overlay/src/internal/bus.ts
@@ -45,7 +45,7 @@ function drain() {
       // event(s)
       Boolean(handlers.size)
     ) {
-      const ev = queue.shift()
+      const ev = queue.shift()!
       handlers.forEach((handler) => handler(ev))
     }
   }, 1)
diff --git a/packages/react-dev-overlay/src/internal/components/CodeFrame/CodeFrame.tsx b/packages/react-dev-overlay/src/internal/components/CodeFrame/CodeFrame.tsx
index 0a333b8e2f127..2c4e31b6809ed 100644
--- a/packages/react-dev-overlay/src/internal/components/CodeFrame/CodeFrame.tsx
+++ b/packages/react-dev-overlay/src/internal/components/CodeFrame/CodeFrame.tsx
@@ -16,7 +16,7 @@ export const CodeFrame: React.FC<CodeFrameProps> = function CodeFrame({
     const prefixLength = lines
       .map((line) => /^>? +\d+ +\| ( *)/.exec(stripAnsi(line)))
       .filter(Boolean)
-      .map((v) => v.pop())
+      .map((v) => v!.pop()!)
       .reduce((c, n) => (isNaN(c) ? n.length : Math.min(c, n.length)), NaN)
 
     if (prefixLength > 1) {
@@ -43,7 +43,7 @@ export const CodeFrame: React.FC<CodeFrameProps> = function CodeFrame({
   const open = React.useCallback(() => {
     const params = new URLSearchParams()
     for (const key in stackFrame) {
-      params.append(key, (stackFrame[key] ?? '').toString())
+      params.append(key, ((stackFrame as any)[key] ?? '').toString())
     }
 
     self
diff --git a/packages/react-dev-overlay/src/internal/components/Dialog/Dialog.tsx b/packages/react-dev-overlay/src/internal/components/Dialog/Dialog.tsx
index e1891f9e695ac..e01f36c2c3341 100644
--- a/packages/react-dev-overlay/src/internal/components/Dialog/Dialog.tsx
+++ b/packages/react-dev-overlay/src/internal/components/Dialog/Dialog.tsx
@@ -14,7 +14,7 @@ const Dialog: React.FC<DialogProps> = function Dialog({
   onClose,
   ...props
 }) {
-  const [dialog, setDialog] = React.useState<HTMLDivElement>(null)
+  const [dialog, setDialog] = React.useState<HTMLDivElement | null>(null)
   const onDialog = React.useCallback((node) => {
     setDialog(node)
   }, [])
@@ -47,8 +47,9 @@ const Dialog: React.FC<DialogProps> = function Dialog({
       }
     }
 
-    shadowRoot.addEventListener('keydown', handler)
-    return () => shadowRoot.removeEventListener('keydown', handler)
+    shadowRoot.addEventListener('keydown', handler as EventListener)
+    return () =>
+      shadowRoot.removeEventListener('keydown', handler as EventListener)
   }, [dialog])
 
   return (
diff --git a/packages/react-dev-overlay/src/internal/components/LeftRightDialogHeader/LeftRightDialogHeader.tsx b/packages/react-dev-overlay/src/internal/components/LeftRightDialogHeader/LeftRightDialogHeader.tsx
index c1bc4d31fc63d..628f8e725c162 100644
--- a/packages/react-dev-overlay/src/internal/components/LeftRightDialogHeader/LeftRightDialogHeader.tsx
+++ b/packages/react-dev-overlay/src/internal/components/LeftRightDialogHeader/LeftRightDialogHeader.tsx
@@ -14,9 +14,9 @@ const LeftRightDialogHeader: React.FC<LeftRightDialogHeaderProps> = function Lef
   next,
   close,
 }) {
-  const buttonLeft = React.useRef<HTMLButtonElement>()
-  const buttonRight = React.useRef<HTMLButtonElement>()
-  const buttonClose = React.useRef<HTMLButtonElement>()
+  const buttonLeft = React.useRef<HTMLButtonElement | null>(null)
+  const buttonRight = React.useRef<HTMLButtonElement | null>(null)
+  const buttonClose = React.useRef<HTMLButtonElement | null>(null)
 
   const [nav, setNav] = React.useState<HTMLElement | null>(null)
   const onNav = React.useCallback((el: HTMLElement) => {
@@ -54,16 +54,18 @@ const LeftRightDialogHeader: React.FC<LeftRightDialogHeaderProps> = function Lef
           }
         }
 
-        close()
+        if (close) {
+          close()
+        }
       }
     }
 
-    root.addEventListener('keydown', handler)
+    root.addEventListener('keydown', handler as EventListener)
     if (root !== d) {
       d.addEventListener('keydown', handler)
     }
     return function () {
-      root.removeEventListener('keydown', handler)
+      root.removeEventListener('keydown', handler as EventListener)
       if (root !== d) {
         d.removeEventListener('keydown', handler)
       }
@@ -83,11 +85,11 @@ const LeftRightDialogHeader: React.FC<LeftRightDialogHeaderProps> = function Lef
       const a = root.activeElement
 
       if (previous == null) {
-        if (a === buttonLeft.current) {
+        if (buttonLeft.current && a === buttonLeft.current) {
           buttonLeft.current.blur()
         }
       } else if (next == null) {
-        if (a === buttonRight.current) {
+        if (buttonRight.current && a === buttonRight.current) {
           buttonRight.current.blur()
         }
       }
@@ -142,7 +144,7 @@ const LeftRightDialogHeader: React.FC<LeftRightDialogHeaderProps> = function Lef
         &nbsp;
         {children}
       </nav>
-      {close && (
+      {close ? (
         <button
           ref={buttonClose}
           type="button"
@@ -174,7 +176,7 @@ const LeftRightDialogHeader: React.FC<LeftRightDialogHeaderProps> = function Lef
             </svg>
           </span>
         </button>
-      )}
+      ) : null}
     </div>
   )
 }
diff --git a/packages/react-dev-overlay/src/internal/components/Overlay/Overlay.tsx b/packages/react-dev-overlay/src/internal/components/Overlay/Overlay.tsx
index 0c6c4db5d3fa1..3d3bdaae39935 100644
--- a/packages/react-dev-overlay/src/internal/components/Overlay/Overlay.tsx
+++ b/packages/react-dev-overlay/src/internal/components/Overlay/Overlay.tsx
@@ -1,4 +1,6 @@
+// @ts-ignore
 import allyDisable from 'ally.js/maintain/disabled'
+// @ts-ignore
 import allyTrap from 'ally.js/maintain/tab-focus'
 import * as React from 'react'
 import { lock, unlock } from './body-locker'
@@ -17,8 +19,8 @@ const Overlay: React.FC<OverlayProps> = function Overlay({
     }
   }, [])
 
-  const [overlay, setOverlay] = React.useState<HTMLElement | null>(null)
-  const onOverlay = React.useCallback((el: HTMLElement) => {
+  const [overlay, setOverlay] = React.useState<HTMLDivElement | null>(null)
+  const onOverlay = React.useCallback((el: HTMLDivElement) => {
     setOverlay(el)
   }, [])
 
diff --git a/packages/react-dev-overlay/src/internal/components/ShadowPortal.tsx b/packages/react-dev-overlay/src/internal/components/ShadowPortal.tsx
index 8de6d76af8edd..228660da6dadb 100644
--- a/packages/react-dev-overlay/src/internal/components/ShadowPortal.tsx
+++ b/packages/react-dev-overlay/src/internal/components/ShadowPortal.tsx
@@ -14,7 +14,7 @@ export const ShadowPortal: React.FC<ShadowPortalProps> = function Portal({
   let [, forceUpdate] = React.useState()
 
   React.useLayoutEffect(() => {
-    const ownerDocument = mountNode.current.ownerDocument
+    const ownerDocument = mountNode.current!.ownerDocument!
     portalNode.current = ownerDocument.createElement('nextjs-portal')
     shadowNode.current = portalNode.current.attachShadow({ mode: 'open' })
     ownerDocument.body.appendChild(portalNode.current)
diff --git a/packages/react-dev-overlay/src/internal/container/Errors.tsx b/packages/react-dev-overlay/src/internal/container/Errors.tsx
index d1e0d002ee0c3..63d5e911c2d84 100644
--- a/packages/react-dev-overlay/src/internal/container/Errors.tsx
+++ b/packages/react-dev-overlay/src/internal/container/Errors.tsx
@@ -209,7 +209,7 @@ export const Errors: React.FC<ErrorsProps> = function Errors({ errors }) {
 
   // This component shouldn't be rendered with no errors, but if it is, let's
   // handle it gracefully by rendering nothing.
-  if (errors.length < 1) {
+  if (errors.length < 1 || activeError == null) {
     return null
   }
 
@@ -252,14 +252,14 @@ export const Errors: React.FC<ErrorsProps> = function Errors({ errors }) {
         type="error"
         aria-labelledby="nextjs__container_errors_label"
         aria-describedby="nextjs__container_errors_desc"
-        onClose={!isServerError && minimize}
+        onClose={isServerError ? undefined : minimize}
       >
         <DialogContent>
           <DialogHeader className="nextjs-container-errors-header">
             <LeftRightDialogHeader
               previous={activeIdx > 0 ? previous : null}
               next={activeIdx < readyErrors.length - 1 ? next : null}
-              close={!isServerError && minimize}
+              close={isServerError ? undefined : minimize}
             >
               <small>
                 <span>{activeIdx + 1}</span> of{' '}
diff --git a/packages/react-dev-overlay/src/internal/container/RuntimeError.tsx b/packages/react-dev-overlay/src/internal/container/RuntimeError.tsx
index 07cecff277b52..e744355a7d168 100644
--- a/packages/react-dev-overlay/src/internal/container/RuntimeError.tsx
+++ b/packages/react-dev-overlay/src/internal/container/RuntimeError.tsx
@@ -21,7 +21,7 @@ const CallStackFrame: React.FC<{
 
     const params = new URLSearchParams()
     for (const key in f) {
-      params.append(key, (f[key] ?? '').toString())
+      params.append(key, ((f as any)[key] ?? '').toString())
     }
 
     self
@@ -134,8 +134,8 @@ const RuntimeError: React.FC<RuntimeErrorProps> = function RuntimeError({
             />
           ))}
           <CodeFrame
-            stackFrame={firstFrame.originalStackFrame}
-            codeFrame={firstFrame.originalCodeFrame}
+            stackFrame={firstFrame.originalStackFrame!}
+            codeFrame={firstFrame.originalCodeFrame!}
           />
         </React.Fragment>
       ) : undefined}
diff --git a/packages/react-dev-overlay/src/internal/helpers/launchEditor.ts b/packages/react-dev-overlay/src/internal/helpers/launchEditor.ts
index d76ff558678c9..8efcf9d9e8a57 100644
--- a/packages/react-dev-overlay/src/internal/helpers/launchEditor.ts
+++ b/packages/react-dev-overlay/src/internal/helpers/launchEditor.ts
@@ -26,9 +26,10 @@ import child_process from 'child_process'
 import fs from 'fs'
 import os from 'os'
 import path from 'path'
+// @ts-ignore
 import shellQuote from 'shell-quote'
 
-function isTerminalEditor(editor) {
+function isTerminalEditor(editor: string) {
   switch (editor) {
     case 'vi':
     case 'vim':
@@ -135,20 +136,12 @@ const COMMON_EDITORS_WIN = [
 // alphanumeric characters, periods, dashes, slashes, and underscores.
 const WINDOWS_FILE_NAME_ACCESS_LIST = /^([A-Za-z]:[/\\])?(?:[\x2D-9A-Z\\_a-z\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0560-\u0588\u05D0-\u05EA\u05EF-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u0860-\u086A\u08A0-\u08B4\u08B6-\u08BD\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u09FC\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0AF9\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C60\u0C61\u0C80\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D54-\u0D56\u0D5F-\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16F1-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1878\u1880-\u1884\u1887-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1C80-\u1C88\u1C90-\u1CBA\u1CBD-\u1CBF\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2183\u2184\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005\u3006\u3031-\u3035\u303B\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312F\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FEF\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6E5\uA717-\uA71F\uA722-\uA788\uA78B-\uA7B9\uA7F7-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA8FD\uA8FE\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uA9E0-\uA9E4\uA9E6-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDE80-\uDE9C\uDEA0-\uDED0\uDF00-\uDF1F\uDF2D-\uDF40\uDF42-\uDF49\uDF50-\uDF75\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF]|\uD801[\uDC00-\uDC9D\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00\uDE10-\uDE13\uDE15-\uDE17\uDE19-\uDE35\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE4\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2\uDD00-\uDD23\uDF00-\uDF1C\uDF27\uDF30-\uDF45]|\uD804[\uDC03-\uDC37\uDC83-\uDCAF\uDCD0-\uDCE8\uDD03-\uDD26\uDD44\uDD50-\uDD72\uDD76\uDD83-\uDDB2\uDDC1-\uDDC4\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE2B\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEDE\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3D\uDF50\uDF5D-\uDF61]|\uD805[\uDC00-\uDC34\uDC47-\uDC4A\uDC80-\uDCAF\uDCC4\uDCC5\uDCC7\uDD80-\uDDAE\uDDD8-\uDDDB\uDE00-\uDE2F\uDE44\uDE80-\uDEAA\uDF00-\uDF1A]|\uD806[\uDC00-\uDC2B\uDCA0-\uDCDF\uDCFF\uDE00\uDE0B-\uDE32\uDE3A\uDE50\uDE5C-\uDE83\uDE86-\uDE89\uDE9D\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC2E\uDC40\uDC72-\uDC8F\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD30\uDD46\uDD60-\uDD65\uDD67\uDD68\uDD6A-\uDD89\uDD98\uDEE0-\uDEF2]|\uD808[\uDC00-\uDF99]|\uD809[\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDED0-\uDEED\uDF00-\uDF2F\uDF40-\uDF43\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDE40-\uDE7F\uDF00-\uDF44\uDF50\uDF93-\uDF9F\uDFE0\uDFE1]|\uD821[\uDC00-\uDFF1]|\uD822[\uDC00-\uDEF2]|\uD82C[\uDC00-\uDD1E\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB]|\uD83A[\uDC00-\uDCC4\uDD00-\uDD43]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D])+$/
 
-function addWorkspaceToArgumentsIfExists(args, workspace) {
-  if (workspace) {
-    args.unshift(workspace)
-  }
-  return args
-}
-
 function getArgumentsForLineNumber(
-  editor,
-  fileName,
-  lineNumber,
-  colNumber,
-  workspace
-) {
+  editor: string,
+  fileName: string,
+  lineNumber: number,
+  colNumber: number
+): string[] {
   const editorBasename = path.basename(editor).replace(/\.(exe|cmd|bat)$/i, '')
   switch (editorBasename) {
     case 'atom':
@@ -179,7 +172,7 @@ function getArgumentsForLineNumber(
     case 'rmate':
     case 'mate':
     case 'mine': {
-      return ['--line', lineNumber, fileName]
+      return ['--line', lineNumber.toString(), fileName]
     }
     case 'code':
     case 'Code':
@@ -187,10 +180,7 @@ function getArgumentsForLineNumber(
     case 'Code - Insiders':
     case 'vscodium':
     case 'VSCodium': {
-      return addWorkspaceToArgumentsIfExists(
-        ['-g', fileName + ':' + lineNumber + ':' + colNumber],
-        workspace
-      )
+      return ['-g', fileName + ':' + lineNumber + ':' + colNumber]
     }
     case 'appcode':
     case 'clion':
@@ -209,10 +199,7 @@ function getArgumentsForLineNumber(
     case 'goland64':
     case 'rider':
     case 'rider64': {
-      return addWorkspaceToArgumentsIfExists(
-        ['--line', lineNumber, fileName],
-        workspace
-      )
+      return ['--line', lineNumber.toString(), fileName]
     }
     default: {
       // For all others, drop the lineNumber until we have
@@ -223,7 +210,7 @@ function getArgumentsForLineNumber(
   }
 }
 
-function guessEditor() {
+function guessEditor(): string | null {
   // Explicit config always wins
   if (process.env.REACT_EDITOR) {
     return shellQuote.parse(process.env.REACT_EDITOR)
@@ -239,7 +226,7 @@ function guessEditor() {
       for (let i = 0; i < processNames.length; i++) {
         const processName = processNames[i]
         if (output.indexOf(processName) !== -1) {
-          return [COMMON_EDITORS_MACOS[processName]]
+          return (COMMON_EDITORS_MACOS as any)[processName]
         }
       }
     } else if (process.platform === 'win32') {
@@ -255,7 +242,7 @@ function guessEditor() {
         const processPath = runningProcesses[i].trim()
         const processName = path.basename(processPath)
         if (COMMON_EDITORS_WIN.indexOf(processName) !== -1) {
-          return [processPath]
+          return processPath
         }
       }
     } else if (process.platform === 'linux') {
@@ -269,7 +256,7 @@ function guessEditor() {
       for (let i = 0; i < processNames.length; i++) {
         const processName = processNames[i]
         if (output.indexOf(processName) !== -1) {
-          return [COMMON_EDITORS_LINUX[processName]]
+          return (COMMON_EDITORS_LINUX as any)[processName] as string
         }
       }
     }
@@ -279,15 +266,15 @@ function guessEditor() {
 
   // Last resort, use old skool env vars
   if (process.env.VISUAL) {
-    return [process.env.VISUAL]
+    return process.env.VISUAL
   } else if (process.env.EDITOR) {
-    return [process.env.EDITOR]
+    return process.env.EDITOR
   }
 
-  return [null]
+  return null
 }
 
-function printInstructions(fileName, errorMessage) {
+function printInstructions(fileName: string, errorMessage: string | null) {
   console.log()
   console.log(
     chalk.red('Could not open ' + path.basename(fileName) + ' in the editor.')
@@ -330,7 +317,8 @@ function launchEditor(fileName: string, lineNumber: number, colNumber: number) {
     colNumber = 1
   }
 
-  let [editor, ...args] = guessEditor()
+  const editor = guessEditor()
+  let args: string[] = []
 
   if (!editor) {
     printInstructions(fileName, null)
@@ -378,22 +366,15 @@ function launchEditor(fileName: string, lineNumber: number, colNumber: number) {
     return
   }
 
-  let workspace = null
   if (lineNumber) {
     args = args.concat(
-      getArgumentsForLineNumber(
-        editor,
-        fileName,
-        lineNumber,
-        colNumber,
-        workspace
-      )
+      getArgumentsForLineNumber(editor, fileName, lineNumber, colNumber)
     )
   } else {
     args.push(fileName)
   }
 
-  let p: child_process.ChildProcess
+  let p: child_process.ChildProcess | undefined = undefined
   if (process.platform === 'win32') {
     // On Windows, launch the editor in a shell because spawn can only
     // launch .exe files.
diff --git a/packages/react-dev-overlay/src/internal/helpers/nodeStackFrames.ts b/packages/react-dev-overlay/src/internal/helpers/nodeStackFrames.ts
index 41aeec9209cd7..0fa8601873221 100644
--- a/packages/react-dev-overlay/src/internal/helpers/nodeStackFrames.ts
+++ b/packages/react-dev-overlay/src/internal/helpers/nodeStackFrames.ts
@@ -35,7 +35,7 @@ export function getNodeError(error: Error): Error {
 
   n.name = error.name
   try {
-    n.stack = parse(error.stack)
+    n.stack = parse(error.stack!)
       .map(getFilesystemFrame)
       .map((f) => {
         let str = `    at ${f.methodName}`
diff --git a/packages/react-dev-overlay/src/internal/helpers/parseStack.ts b/packages/react-dev-overlay/src/internal/helpers/parseStack.ts
index f329dd61263cf..7e6c1d1826089 100644
--- a/packages/react-dev-overlay/src/internal/helpers/parseStack.ts
+++ b/packages/react-dev-overlay/src/internal/helpers/parseStack.ts
@@ -6,14 +6,14 @@ export function parseStack(stack: string): StackFrame[] {
   const frames = parse(stack)
   return frames.map((frame) => {
     try {
-      const url = new URL(frame.file)
+      const url = new URL(frame.file!)
       const res = regexNextStatic.exec(url.pathname)
       if (res) {
         const distDir = process.env.__NEXT_DIST_DIR
           ?.replace(/\\/g, '/')
           ?.replace(/\/$/, '')
         if (distDir) {
-          frame.file = 'file://' + distDir.concat(res.pop())
+          frame.file = 'file://' + distDir.concat(res.pop()!)
         }
       }
     } catch {}
diff --git a/packages/react-dev-overlay/src/internal/helpers/stack-frame.ts b/packages/react-dev-overlay/src/internal/helpers/stack-frame.ts
index fb3cda027cc17..37d3392b288f3 100644
--- a/packages/react-dev-overlay/src/internal/helpers/stack-frame.ts
+++ b/packages/react-dev-overlay/src/internal/helpers/stack-frame.ts
@@ -47,7 +47,7 @@ export function getOriginalStackFrame(
     const params = new URLSearchParams()
     params.append('isServerSide', String(isServerSide))
     for (const key in source) {
-      params.append(key, (source[key] ?? '').toString())
+      params.append(key, ((source as any)[key] ?? '').toString())
     }
 
     const controller = new AbortController()
@@ -114,7 +114,7 @@ export function getOriginalStackFrame(
 export function getFrameSource(frame: StackFrame): string {
   let str = ''
   try {
-    const u = new URL(frame.file)
+    const u = new URL(frame.file!)
 
     // Strip the origin for same-origin scripts.
     if (
diff --git a/packages/react-dev-overlay/src/internal/hooks/use-on-click-outside.ts b/packages/react-dev-overlay/src/internal/hooks/use-on-click-outside.ts
index 8c73686882052..fb2add61d53c1 100644
--- a/packages/react-dev-overlay/src/internal/hooks/use-on-click-outside.ts
+++ b/packages/react-dev-overlay/src/internal/hooks/use-on-click-outside.ts
@@ -2,10 +2,10 @@ import * as React from 'react'
 
 export function useOnClickOutside(
   el: Node | null,
-  handler: (e: MouseEvent | TouchEvent) => void
+  handler: ((e: MouseEvent | TouchEvent) => void) | undefined
 ) {
   React.useEffect(() => {
-    if (el == null) {
+    if (el == null || handler == null) {
       return
     }
 
@@ -19,11 +19,11 @@ export function useOnClickOutside(
     }
 
     const root = el.getRootNode()
-    root.addEventListener('mousedown', listener)
-    root.addEventListener('touchstart', listener)
+    root.addEventListener('mousedown', listener as EventListener)
+    root.addEventListener('touchstart', listener as EventListener)
     return function () {
-      root.removeEventListener('mousedown', listener)
-      root.removeEventListener('touchstart', listener)
+      root.removeEventListener('mousedown', listener as EventListener)
+      root.removeEventListener('touchstart', listener as EventListener)
     }
   }, [handler, el])
 }
diff --git a/packages/react-dev-overlay/src/middleware.ts b/packages/react-dev-overlay/src/middleware.ts
index 1b02b9363650d..d55364ff91b31 100644
--- a/packages/react-dev-overlay/src/middleware.ts
+++ b/packages/react-dev-overlay/src/middleware.ts
@@ -10,6 +10,7 @@ import {
 import { StackFrame } from 'stacktrace-parser'
 import url from 'url'
 // eslint-disable-next-line import/no-extraneous-dependencies
+// @ts-ignore
 import webpack from 'webpack'
 import { getRawSourceMap } from './internal/helpers/getRawSourceMap'
 import { launchEditor } from './internal/helpers/launchEditor'
@@ -97,6 +98,10 @@ function getOverlayMiddleware(options: OverlayMiddlewareOptions) {
       const compilation = isServerSide
         ? options.serverStats()?.compilation
         : options.stats()?.compilation
+      if (compilation == null) {
+        return null
+      }
+
       const module = [...compilation.modules].find(
         (searchModule) => searchModule.id === id
       )
@@ -112,7 +117,7 @@ function getOverlayMiddleware(options: OverlayMiddlewareOptions) {
     res: ServerResponse,
     next: Function
   ) {
-    const { pathname, query } = url.parse(req.url, true)
+    const { pathname, query } = url.parse(req.url!, true)
 
     if (pathname === '/__nextjs_original-stack-frame') {
       const frame = (query as unknown) as StackFrame & {
@@ -171,7 +176,7 @@ function getOverlayMiddleware(options: OverlayMiddlewareOptions) {
         const consumer = await new SourceMapConsumer(source.map())
         pos = consumer.originalPositionFor({
           line: frameLine,
-          column: frameColumn,
+          column: frameColumn ?? 0,
         })
         if (pos.source) {
           posSourceContent =
@@ -215,7 +220,7 @@ function getOverlayMiddleware(options: OverlayMiddlewareOptions) {
         pos.line
           ? (codeFrameColumns(
               posSourceContent,
-              { start: { line: pos.line, column: pos.column } },
+              { start: { line: pos.line, column: pos.column ?? 0 } },
               { forceColor: true }
             ) as string)
           : null
diff --git a/packages/react-dev-overlay/tsconfig.json b/packages/react-dev-overlay/tsconfig.json
index 198c585c9b657..747a7eb4f1dae 100644
--- a/packages/react-dev-overlay/tsconfig.json
+++ b/packages/react-dev-overlay/tsconfig.json
@@ -1,6 +1,7 @@
 {
   "compilerOptions": {
     "sourceMap": true,
+    "strict": true,
     "esModuleInterop": true,
     "target": "es3",
     "lib": ["dom"],

From 73303a71aef19e2e4578ce5504dadecfb6560179 Mon Sep 17 00:00:00 2001
From: Luis Alvarez D <luis@vercel.com>
Date: Thu, 30 Jul 2020 10:59:27 -0500
Subject: [PATCH 68/90] [Examples] Fix with-sentry (#15694)

---
 examples/with-sentry/pages/_error.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/examples/with-sentry/pages/_error.js b/examples/with-sentry/pages/_error.js
index 0b38c8d7b7776..5410de207dd19 100644
--- a/examples/with-sentry/pages/_error.js
+++ b/examples/with-sentry/pages/_error.js
@@ -1,14 +1,12 @@
 import NextErrorComponent from 'next/error'
 import * as Sentry from '@sentry/node'
 
-const MyError = async ({ statusCode, hasGetInitialPropsRun, err }) => {
+const MyError = ({ statusCode, hasGetInitialPropsRun, err }) => {
   if (!hasGetInitialPropsRun && err) {
     // getInitialProps is not called in case of
     // https://github.com/vercel/next.js/issues/8592. As a workaround, we pass
     // err via _app.js so it can be captured
     Sentry.captureException(err)
-    // flush is needed after calling captureException to send server side errors to Sentry, otherwise the serverless function will exit before it's sent
-    await Sentry.flush(2000)
   }
 
   return <NextErrorComponent statusCode={statusCode} />

From 17d7f03f2b82c015ad087d7049b2a7e0a40c1142 Mon Sep 17 00:00:00 2001
From: Luis Alvarez D <luis@vercel.com>
Date: Thu, 30 Jul 2020 13:44:44 -0500
Subject: [PATCH 69/90] [Docs] Use `next dev` for the getting started page
 (#15705)

---
 docs/getting-started.md | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/docs/getting-started.md b/docs/getting-started.md
index 32440f9c42cc6..f418bab6d9f1c 100644
--- a/docs/getting-started.md
+++ b/docs/getting-started.md
@@ -41,7 +41,7 @@ Open `package.json` and add the following `scripts`:
 
 ```json
 "scripts": {
-  "dev": "next",
+  "dev": "next dev",
   "build": "next build",
   "start": "next start"
 }
@@ -49,11 +49,11 @@ Open `package.json` and add the following `scripts`:
 
 These scripts refer to the different stages of developing an application:
 
-- `dev` - Runs `next` which starts Next.js in development mode
-- `build` - Runs `next build` which builds the application for production usage
-- `start` - Runs `next start` which starts a Next.js production server
+- `dev` - Runs [`next dev`](/docs/api-reference/cli#development) which starts Next.js in development mode
+- `build` - Runs [`next build`](/docs/api-reference/cli#build) which builds the application for production usage
+- `start` - Runs [`next start`](/docs/api-reference/cli#production) which starts a Next.js production server
 
-Next.js is built around the concept of pages. A page is a [React Component](https://reactjs.org/docs/components-and-props.html) exported from a `.js`, `.jsx`, `.ts`, or `.tsx` file in the `pages` directory.
+Next.js is built around the concept of [pages](/docs/basic-features/pages.md). A page is a [React Component](https://reactjs.org/docs/components-and-props.html) exported from a `.js`, `.jsx`, `.ts`, or `.tsx` file in the `pages` directory.
 
 Pages are associated with a route based on their file name. For example `pages/about.js` is mapped to `/about`. You can even add dynamic route parameters with the filename.
 

From 9d68a363b6f3757ef8517fd1a303d97dc52378d2 Mon Sep 17 00:00:00 2001
From: matamatanot <39780486+matamatanot@users.noreply.github.com>
Date: Fri, 31 Jul 2020 04:14:27 +0900
Subject: [PATCH 70/90] Docs smart-cdn link is dead. (#15707)

You have been redirected to the`/home` page.
I'm not sure if that's correct, but it's been fixed to move the link to the document.

https://vercel.com/smart-cdn
https://vercel.com/docs/v2/edge-network/overview
---
 docs/deployment.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/deployment.md b/docs/deployment.md
index 9caaad022e82b..eddcc9acd5949 100644
--- a/docs/deployment.md
+++ b/docs/deployment.md
@@ -40,7 +40,7 @@ By using the DPS workflow, in addition to doing _code reviews_, you can do _depl
 For example, the [hybrid pages](/docs/basic-features/pages.md) approach is fully supported out of the box.
 
 - Every page can either use [Static Generation](/docs/basic-features/pages.md#static-generation) or [Server-Side Rendering](/docs/basic-features/pages.md#server-side-rendering).
-- Pages that use [Static Generation](/docs/basic-features/pages.md#static-generation) and assets (JS, CSS, images, fonts, etc) will automatically be served from the [Vercel Smart CDN](https://vercel.com/smart-cdn), which is blazingly fast.
+- Pages that use [Static Generation](/docs/basic-features/pages.md#static-generation) and assets (JS, CSS, images, fonts, etc) will automatically be served from the [Vercel's Edge Network](https://vercel.com/docs/v2/edge-network/overview), which is blazingly fast.
 - Pages that use [Server-Side Rendering](/docs/basic-features/pages.md#server-side-rendering) and [API routes](/docs/api-routes/introduction.md) will automatically become isolated Serverless Functions. This allows page rendering and API requests to scale infinitely.
 
 ### Custom Domains, Environment Variables, Automatic HTTPS, and more

From 766fef2271475bb2d7e9b9805d505f2dcee17656 Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Thu, 30 Jul 2020 16:15:29 -0500
Subject: [PATCH 71/90] Document regex support for custom routes (#15714)

This adds an example of using regex matching for custom routes

Fixes https://github.com/vercel/next.js/issues/15712
---
 docs/api-reference/next.config.js/headers.md  | 22 +++++++++++++++++++
 .../api-reference/next.config.js/redirects.md | 18 +++++++++++++++
 docs/api-reference/next.config.js/rewrites.md | 17 ++++++++++++++
 3 files changed, 57 insertions(+)

diff --git a/docs/api-reference/next.config.js/headers.md b/docs/api-reference/next.config.js/headers.md
index e09c1bba8d5ac..414a93508d4fd 100644
--- a/docs/api-reference/next.config.js/headers.md
+++ b/docs/api-reference/next.config.js/headers.md
@@ -90,6 +90,28 @@ module.exports = {
 }
 ```
 
+### Regex Path Matching
+
+To match a regex path you can wrap the regex in parenthesis after a parameter, for example `/blog/:slug(\\d{1,})` will match `/blog/123` but not `/blog/abc`:
+
+```js
+module.exports = {
+  async rewrites() {
+    return [
+      {
+        source: '/blog/:post(\\d{1,})',
+        headers: [
+          {
+            key: 'x-post',
+            value: ':post',
+          },
+        ],
+      },
+    ]
+  },
+}
+```
+
 ### Headers with basePath support
 
 When leveraging [`basePath` support](/docs/api-reference/next.config.js/basepath.md) with headers each `source` is automatically prefixed with the `basePath` unless you add `basePath: false` to the header:
diff --git a/docs/api-reference/next.config.js/redirects.md b/docs/api-reference/next.config.js/redirects.md
index a564ab97db679..ba85250140aa4 100644
--- a/docs/api-reference/next.config.js/redirects.md
+++ b/docs/api-reference/next.config.js/redirects.md
@@ -66,6 +66,24 @@ module.exports = {
 }
 ```
 
+### Regex Path Matching
+
+To match a regex path you can wrap the regex in parenthesis after a parameter, for example `/blog/:slug(\\d{1,})` will match `/blog/123` but not `/blog/abc`:
+
+```js
+module.exports = {
+  async redirects() {
+    return [
+      {
+        source: '/old-blog/:post(\\d{1,})',
+        destination: '/blog/:post', // Matched parameters can be used in the destination
+        permanent: false,
+      },
+    ]
+  },
+}
+```
+
 ### Redirects with basePath support
 
 When leveraging [`basePath` support](/docs/api-reference/next.config.js/basepath.md) with redirects each `source` and `destination` is automatically prefixed with the `basePath` unless you add `basePath: false` to the redirect:
diff --git a/docs/api-reference/next.config.js/rewrites.md b/docs/api-reference/next.config.js/rewrites.md
index 297e0579d2ebd..45e784cd15f80 100644
--- a/docs/api-reference/next.config.js/rewrites.md
+++ b/docs/api-reference/next.config.js/rewrites.md
@@ -69,6 +69,23 @@ module.exports = {
 }
 ```
 
+### Regex Path Matching
+
+To match a regex path you can wrap the regex in parenthesis after a parameter, for example `/blog/:slug(\\d{1,})` will match `/blog/123` but not `/blog/abc`:
+
+```js
+module.exports = {
+  async rewrites() {
+    return [
+      {
+        source: '/old-blog/:post(\\d{1,})',
+        destination: '/blog/:post', // Matched parameters can be used in the destination
+      },
+    ]
+  },
+}
+```
+
 ## Rewriting to an external URL
 
 <details>

From d97d045dfc7bbad53dfee8b092e1d95bcaf099f1 Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Fri, 31 Jul 2020 05:22:32 +0200
Subject: [PATCH 72/90] Stabilize another test (#15697)

Saw this one fail on azure
---
 .../test/index.test.js                        | 33 +++++++++++--------
 1 file changed, 19 insertions(+), 14 deletions(-)

diff --git a/test/integration/empty-object-getInitialProps/test/index.test.js b/test/integration/empty-object-getInitialProps/test/index.test.js
index 8f65540e787d3..9a845fe7e92e1 100644
--- a/test/integration/empty-object-getInitialProps/test/index.test.js
+++ b/test/integration/empty-object-getInitialProps/test/index.test.js
@@ -8,6 +8,7 @@ import {
   launchApp,
   killApp,
   waitFor,
+  check,
 } from 'next-test-utils'
 
 jest.setTimeout(1000 * 60 * 2)
@@ -49,20 +50,24 @@ describe('Empty Project', () => {
 
   it('should show empty object warning during client transition', async () => {
     const browser = await webdriver(appPort, '/static')
-    await browser.eval(`(function() {
-      window.gotWarn = false
-      const origWarn = console.warn
-      window.console.warn = function () {
-        if (arguments[0].match(/returned an empty object from \`getInitialProps\`/)) {
-          window.gotWarn = true
+    try {
+      await browser.eval(`(function() {
+        window.gotWarn = false
+        const origWarn = console.warn
+        window.console.warn = function () {
+          if (arguments[0].match(/returned an empty object from \`getInitialProps\`/)) {
+            window.gotWarn = true
+          }
+          origWarn.apply(this, arguments)
         }
-        origWarn.apply(this, arguments)
-      }
-      window.next.router.replace('/another')
-    })()`)
-    await waitFor(1000)
-    const gotWarn = await browser.eval(`window.gotWarn`)
-    expect(gotWarn).toBe(true)
-    await browser.close()
+        window.next.router.replace('/another')
+      })()`)
+      await check(async () => {
+        const gotWarn = await browser.eval(`window.gotWarn`)
+        return gotWarn ? 'pass' : 'fail'
+      }, 'pass')
+    } finally {
+      await browser.close()
+    }
   })
 })

From 01662f1c79279a1710db5e3c8d2343a0c2f88320 Mon Sep 17 00:00:00 2001
From: Luis Alvarez D <luis@vercel.com>
Date: Thu, 30 Jul 2020 22:40:40 -0500
Subject: [PATCH 73/90] [Docs] Add upgrade notes for Next.js 9.5 (#15703)

Fixes https://github.com/vercel/next.js/issues/15719
---
 docs/api-reference/next.config.js/basepath.md       | 2 ++
 docs/api-reference/next.config.js/headers.md        | 2 ++
 docs/api-reference/next.config.js/redirects.md      | 2 ++
 docs/api-reference/next.config.js/rewrites.md       | 2 ++
 docs/api-reference/next.config.js/trailing-slash.md | 2 ++
 5 files changed, 10 insertions(+)

diff --git a/docs/api-reference/next.config.js/basepath.md b/docs/api-reference/next.config.js/basepath.md
index 21bb8b032dbd6..3fa27af679389 100644
--- a/docs/api-reference/next.config.js/basepath.md
+++ b/docs/api-reference/next.config.js/basepath.md
@@ -4,6 +4,8 @@ description: Learn more about setting a base path in Next.js
 
 # Base Path
 
+> This feature was introduced in [Next.js 9.5](https://nextjs.org/blog/next-9-5) and up. If you’re using older versions of Next.js, please upgrade before trying it out.
+
 To deploy a Next.js application under a sub-path of a domain you can use the `basePath` option.
 
 `basePath` allows you to set a path prefix for the application. For example `/docs` instead of `/` (the default).
diff --git a/docs/api-reference/next.config.js/headers.md b/docs/api-reference/next.config.js/headers.md
index 414a93508d4fd..4b854562e08e0 100644
--- a/docs/api-reference/next.config.js/headers.md
+++ b/docs/api-reference/next.config.js/headers.md
@@ -4,6 +4,8 @@ description: Add custom HTTP headers to your Next.js app.
 
 # Headers
 
+> This feature was introduced in [Next.js 9.5](https://nextjs.org/blog/next-9-5) and up. If you’re using older versions of Next.js, please upgrade before trying it out.
+
 Headers allow you to set custom HTTP headers for an incoming request path.
 
 To set custom HTTP headers you can use the `headers` key in `next.config.js`:
diff --git a/docs/api-reference/next.config.js/redirects.md b/docs/api-reference/next.config.js/redirects.md
index ba85250140aa4..d1eb3929e8500 100644
--- a/docs/api-reference/next.config.js/redirects.md
+++ b/docs/api-reference/next.config.js/redirects.md
@@ -4,6 +4,8 @@ description: Add redirects to your Next.js app.
 
 # Redirects
 
+> This feature was introduced in [Next.js 9.5](https://nextjs.org/blog/next-9-5) and up. If you’re using older versions of Next.js, please upgrade before trying it out.
+
 Redirects allow you to redirect an incoming request path to a different destination path.
 
 Redirects are only available on the Node.js environment and do not affect client-side routing.
diff --git a/docs/api-reference/next.config.js/rewrites.md b/docs/api-reference/next.config.js/rewrites.md
index 45e784cd15f80..c50bc290724e4 100644
--- a/docs/api-reference/next.config.js/rewrites.md
+++ b/docs/api-reference/next.config.js/rewrites.md
@@ -4,6 +4,8 @@ description: Add rewrites to your Next.js app.
 
 # Rewrites
 
+> This feature was introduced in [Next.js 9.5](https://nextjs.org/blog/next-9-5) and up. If you’re using older versions of Next.js, please upgrade before trying it out.
+
 <details open>
   <summary><b>Examples</b></summary>
   <ul>
diff --git a/docs/api-reference/next.config.js/trailing-slash.md b/docs/api-reference/next.config.js/trailing-slash.md
index c2a95c6cd39d2..4fad79dfcd24a 100644
--- a/docs/api-reference/next.config.js/trailing-slash.md
+++ b/docs/api-reference/next.config.js/trailing-slash.md
@@ -4,6 +4,8 @@ description: Configure Next.js pages to resolve with or without a trailing slash
 
 # Trailing Slash
 
+> This feature was introduced in [Next.js 9.5](https://nextjs.org/blog/next-9-5) and up. If you’re using older versions of Next.js, please upgrade before trying it out.
+
 By default Next.js will redirect urls with trailing slashes to their counterpart without a trailing slash. For example `/about/` will redirect to `/about`. You can configure this behavior to act the opposite way, where urls without trailing slashes are redirected to their counterparts with trailing slashes.
 
 Open `next.config.js` and add the `trailingSlash` config:

From c9e379c3bf3c028900f0feb7876590cf85fdb199 Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Fri, 31 Jul 2020 08:38:39 +0200
Subject: [PATCH 74/90] Fix wrong asPath on 404 (#15728)

Caught this while reviewing router code for https://github.com/vercel/next.js/pull/15710
---
 packages/next/client/index.js                | 2 +-
 test/integration/basepath/test/index.test.js | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/next/client/index.js b/packages/next/client/index.js
index 91a723c06738e..fc7d439a8a5f4 100644
--- a/packages/next/client/index.js
+++ b/packages/next/client/index.js
@@ -58,7 +58,7 @@ if (
     page === '/_error' &&
     hydrateProps &&
     hydrateProps.pageProps &&
-    hydrateProps.pageProps.statusCode === '404'
+    hydrateProps.pageProps.statusCode === 404
   )
 ) {
   asPath = delBasePath(asPath)
diff --git a/test/integration/basepath/test/index.test.js b/test/integration/basepath/test/index.test.js
index 2bddf06d05506..593d9b23e95e7 100644
--- a/test/integration/basepath/test/index.test.js
+++ b/test/integration/basepath/test/index.test.js
@@ -212,6 +212,7 @@ const runTests = (context, dev = false) => {
   it('should not update URL for a 404', async () => {
     const browser = await webdriver(context.appPort, '/missing')
     const pathname = await browser.eval(() => window.location.pathname)
+    expect(await browser.eval(() => window.next.router.asPath)).toBe('/missing')
     expect(pathname).toBe('/missing')
   })
 

From 1409cd6e3f098e720a713dcb963c8410b6897408 Mon Sep 17 00:00:00 2001
From: Jon Espen Kvisler <jonespen@gmail.com>
Date: Fri, 31 Jul 2020 09:14:37 +0200
Subject: [PATCH 75/90] Update next-transpile-modules in with-react-intl
 example (#15730)

next-transpile-modules needs to be updated to support Next.js 9.5

Closes #15725
---
 examples/with-react-intl/package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/with-react-intl/package.json b/examples/with-react-intl/package.json
index 8c7ce45c3119b..c097fa35cd980 100644
--- a/examples/with-react-intl/package.json
+++ b/examples/with-react-intl/package.json
@@ -24,6 +24,6 @@
   "license": "ISC",
   "devDependencies": {
     "cross-spawn": "7.0.3",
-    "next-transpile-modules": "^3.2.0"
+    "next-transpile-modules": "^4.0.2"
   }
 }

From bcd1ba622e251b264c5b8e5149f7e6218a0df525 Mon Sep 17 00:00:00 2001
From: Rafau <rafal.filipek@gmail.com>
Date: Fri, 31 Jul 2020 10:50:54 +0200
Subject: [PATCH 76/90] [webpack5] Complile for ES5 (#15708)

I think this is necessary for IE11.

via [Webpack docs](https://webpack.js.org/migrate/5/#turn-off-es2015-syntax-in-runtime-code-if-necessary)


> By default, webpack's runtime code uses ES2015 syntax to build smaller bundles. If your build targets environments that don't support this syntax (like IE11), you'll need to set output.ecmaVersion: 5 to revert to ES5 syntax.


Thank you
---
 packages/next/build/webpack-config.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/next/build/webpack-config.ts b/packages/next/build/webpack-config.ts
index 8aaad35f4045e..2985e6ecce822 100644
--- a/packages/next/build/webpack-config.ts
+++ b/packages/next/build/webpack-config.ts
@@ -710,6 +710,7 @@ export default async function getBaseWebpackConfig(
       ignored: ['**/.git/**', '**/node_modules/**', '**/.next/**'],
     },
     output: {
+      ...(isWebpack5 ? { ecmaVersion: 5 } : {}),
       path: outputPath,
       // On the server we don't use the chunkhash
       filename: isServer

From 0729394ee18f978e77c4792b4982fe10cb0a8b74 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pierre=20de=20la=20Martini=C3=A8re?=
 <pierre.de.la.martiniere@gmail.com>
Date: Fri, 31 Jul 2020 17:53:53 +0200
Subject: [PATCH 77/90] Update next-transpile-modules in all examples (#15739)

Should prevent some tears when people tries to replicate some example with Next.js 9.5.0 ;)

cheers!
---
 examples/with-patternfly/package.json                       | 2 +-
 examples/with-reason-relay/package.json                     | 2 +-
 examples/with-reasonml-todo/package.json                    | 2 +-
 examples/with-reasonml/package.json                         | 2 +-
 examples/with-three-js/package.json                         | 2 +-
 examples/with-yarn-workspaces/packages/web-app/package.json | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/examples/with-patternfly/package.json b/examples/with-patternfly/package.json
index 1e5f1a89656df..f722ef6fca2dc 100644
--- a/examples/with-patternfly/package.json
+++ b/examples/with-patternfly/package.json
@@ -10,7 +10,7 @@
   "dependencies": {
     "@patternfly/react-core": "^3.112.3",
     "next": "latest",
-    "next-transpile-modules": "^3.0.2",
+    "next-transpile-modules": "^4.0.2",
     "react": "^16.7.0",
     "react-dom": "^16.7.0"
   },
diff --git a/examples/with-reason-relay/package.json b/examples/with-reason-relay/package.json
index 7a0b2ea557c31..efcaff96386b2 100644
--- a/examples/with-reason-relay/package.json
+++ b/examples/with-reason-relay/package.json
@@ -22,7 +22,7 @@
     "graphql": "15.0.0",
     "isomorphic-unfetch": "^3.0.0",
     "next": "latest",
-    "next-transpile-modules": "3.2.0",
+    "next-transpile-modules": "4.0.2",
     "react": "^16.13.0",
     "react-dom": "^16.13.0",
     "react-relay": "0.0.0-experimental-8cc94ddc",
diff --git a/examples/with-reasonml-todo/package.json b/examples/with-reasonml-todo/package.json
index 6b136bf3f54c1..10696fddc7599 100644
--- a/examples/with-reasonml-todo/package.json
+++ b/examples/with-reasonml-todo/package.json
@@ -11,7 +11,7 @@
   "license": "ISC",
   "dependencies": {
     "next": "latest",
-    "next-transpile-modules": "^3.0.2",
+    "next-transpile-modules": "^4.0.2",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "reason-react": "^0.7.0"
diff --git a/examples/with-reasonml/package.json b/examples/with-reasonml/package.json
index 1dfd20adaba2d..0d165a13ad3a2 100644
--- a/examples/with-reasonml/package.json
+++ b/examples/with-reasonml/package.json
@@ -11,7 +11,7 @@
   "license": "ISC",
   "dependencies": {
     "next": "latest",
-    "next-transpile-modules": "^3.0.2",
+    "next-transpile-modules": "^4.0.2",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
     "reason-react": "^0.7.0"
diff --git a/examples/with-three-js/package.json b/examples/with-three-js/package.json
index b9dd2c70dbde7..066cd94ef1890 100644
--- a/examples/with-three-js/package.json
+++ b/examples/with-three-js/package.json
@@ -16,6 +16,6 @@
     "three": "0.118.3"
   },
   "devDependencies": {
-    "next-transpile-modules": "3.3.0"
+    "next-transpile-modules": "4.0.2"
   }
 }
diff --git a/examples/with-yarn-workspaces/packages/web-app/package.json b/examples/with-yarn-workspaces/packages/web-app/package.json
index 9f6ae57268a9b..7b4dccb02539e 100644
--- a/examples/with-yarn-workspaces/packages/web-app/package.json
+++ b/examples/with-yarn-workspaces/packages/web-app/package.json
@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "next": "latest",
-    "next-transpile-modules": "^3.0.2",
+    "next-transpile-modules": "^4.0.2",
     "react": "^16.8.3",
     "react-dom": "^16.8.3"
   },

From b3c9737445158fde3f3a000f64a32ef18b96e977 Mon Sep 17 00:00:00 2001
From: Ronald Stevanus <ronald29x@gmail.com>
Date: Sat, 1 Aug 2020 00:25:17 +0800
Subject: [PATCH 78/90] Fix gh-pages deploy script (#15724)

## What

The current `gh-pages` example has issue when deploying.

This is how the error looks like:
![image](https://user-images.githubusercontent.com/1008093/88996697-827f0c80-d320-11ea-93bd-48141c321a65.png)

```
...
Export successful
The following paths are ignored by one of your .gitignore files:
out
hint: Use -f if you really want to add them.
hint: Turn this message off by running
hint: "git config advice.addIgnoredFile false"
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! next@1.0.0 deploy: `rm -rf node_modules/.cache && next build && next export && touch out/.nojekyll && git add out/`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the next@1.0.0 deploy script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
...
```

It's because `out` folder is added on `.gitignore` and the deploy script runs `git add out/`.
The fix is to remove `out` folder from `.gitignore`.

## How was it tested
run `npm run deploy`, it should be completed successfully.
---
 examples/gh-pages/.gitignore | 1 -
 1 file changed, 1 deletion(-)

diff --git a/examples/gh-pages/.gitignore b/examples/gh-pages/.gitignore
index 1437c53f70bc2..3b3b2e909de2f 100644
--- a/examples/gh-pages/.gitignore
+++ b/examples/gh-pages/.gitignore
@@ -10,7 +10,6 @@
 
 # next.js
 /.next/
-/out/
 
 # production
 /build

From ad5c736798d832f818692f20ae583d349dce7874 Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Fri, 31 Jul 2020 19:29:09 +0200
Subject: [PATCH 79/90] Remove unused error (#15748)

Irrelevant since https://github.com/vercel/next.js/pull/15379
---
 errors/popstate-state-empty.md                 | 6 +++---
 packages/next/next-server/lib/router/router.ts | 7 -------
 2 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/errors/popstate-state-empty.md b/errors/popstate-state-empty.md
index 1268e15c0b036..ccd98713a557d 100644
--- a/errors/popstate-state-empty.md
+++ b/errors/popstate-state-empty.md
@@ -2,12 +2,12 @@
 
 #### Why This Error Occurred
 
-When using the browser back button the popstate event is triggered. Next.js sets
-`popstate` event triggered but `event.state` did not have `url` or `as`, causing a route change failure
+When using the browser back button the popstate event is triggered. Next.js sees a
+`popstate` event being triggered but `event.state` did not have `url` or `as`, causing a route change failure.
 
 #### Possible Ways to Fix It
 
-The only known cause of this issue is manually manipulating `window.history` instead of using `next/router`
+The only known cause of this issue is manually manipulating `window.history` instead of using `next/router`. Starting from version 9.5, Next.js will ignore `popstate` events that contain `event.state` not created by its own router.
 
 ### Useful Links
 
diff --git a/packages/next/next-server/lib/router/router.ts b/packages/next/next-server/lib/router/router.ts
index 5475c2399b9d9..b6ac61c8ee242 100644
--- a/packages/next/next-server/lib/router/router.ts
+++ b/packages/next/next-server/lib/router/router.ts
@@ -360,13 +360,6 @@ export default class Router implements BaseRouter {
       return
     }
 
-    if (process.env.NODE_ENV !== 'production') {
-      if (typeof url === 'undefined' || typeof as === 'undefined') {
-        console.warn(
-          '`popstate` event triggered but `event.state` did not have `url` or `as` https://err.sh/vercel/next.js/popstate-state-empty'
-        )
-      }
-    }
     this.change('replaceState', url, as, options)
   }
 

From 636672755004c756eefcddb5d4ccabbc1855e75a Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Fri, 31 Jul 2020 13:31:49 -0400
Subject: [PATCH 80/90] v9.5.2-canary.1

---
 lerna.json                                         | 2 +-
 packages/create-next-app/package.json              | 2 +-
 packages/eslint-plugin-next/package.json           | 2 +-
 packages/next-bundle-analyzer/package.json         | 2 +-
 packages/next-mdx/package.json                     | 2 +-
 packages/next-plugin-google-analytics/package.json | 2 +-
 packages/next-plugin-sentry/package.json           | 2 +-
 packages/next-plugin-storybook/package.json        | 2 +-
 packages/next-polyfill-nomodule/package.json       | 2 +-
 packages/next/package.json                         | 8 ++++----
 packages/react-dev-overlay/package.json            | 2 +-
 packages/react-refresh-utils/package.json          | 2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lerna.json b/lerna.json
index f24fc3d060bec..e7324a9cde96d 100644
--- a/lerna.json
+++ b/lerna.json
@@ -17,5 +17,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.5.2-canary.0"
+  "version": "9.5.2-canary.1"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index cb25c60a83a4b..32136c60a7dd0 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.5.2-canary.0",
+  "version": "9.5.2-canary.1",
   "keywords": [
     "react",
     "next",
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index 4ac61c9b771d1..46e4bd9c490e7 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "9.5.2-canary.0",
+  "version": "9.5.2-canary.1",
   "description": "ESLint plugin for NextJS.",
   "main": "lib/index.js",
   "license": "MIT",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index cbdcd17ad1cf0..92f6ac5c49b6f 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.5.2-canary.0",
+  "version": "9.5.2-canary.1",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index 4460832ec19b7..a1d75f28ff3d2 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.5.2-canary.0",
+  "version": "9.5.2-canary.1",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index 0f94586cf426e..42e7c897544db 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.5.2-canary.0",
+  "version": "9.5.2-canary.1",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-google-analytics"
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index b3c3c1db07324..67cab234c6bb0 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.5.2-canary.0",
+  "version": "9.5.2-canary.1",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-sentry"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index 90dce52338e8b..5f04def1a4552 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "9.5.2-canary.0",
+  "version": "9.5.2-canary.1",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index 79f07fa1dee1d..850709719405d 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.5.2-canary.0",
+  "version": "9.5.2-canary.1",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/package.json b/packages/next/package.json
index fe078c46ea6e5..c0d77ecca77b9 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.5.2-canary.0",
+  "version": "9.5.2-canary.1",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -76,8 +76,8 @@
     "@babel/preset-typescript": "7.9.0",
     "@babel/runtime": "7.9.6",
     "@babel/types": "7.9.6",
-    "@next/react-dev-overlay": "9.5.2-canary.0",
-    "@next/react-refresh-utils": "9.5.2-canary.0",
+    "@next/react-dev-overlay": "9.5.2-canary.1",
+    "@next/react-refresh-utils": "9.5.2-canary.1",
     "ast-types": "0.13.2",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
@@ -119,7 +119,7 @@
     "react-dom": "^16.6.0"
   },
   "devDependencies": {
-    "@next/polyfill-nomodule": "9.5.2-canary.0",
+    "@next/polyfill-nomodule": "9.5.2-canary.1",
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index 4227f3edeb721..ccd8025fa2502 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-dev-overlay",
-  "version": "9.5.2-canary.0",
+  "version": "9.5.2-canary.1",
   "description": "A development-only overlay for developing React applications.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index 4fb642878c746..ab870b4344b23 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "9.5.2-canary.0",
+  "version": "9.5.2-canary.1",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",

From 1b033423dcc43b51752013cb8807051e66917d58 Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Sat, 1 Aug 2020 13:51:47 +0200
Subject: [PATCH 81/90] Fix asPath of rewrite without basePath (#15760)

Fixes https://github.com/vercel/next.js/issues/15755
---
 packages/next/client/index.js                 | 12 +----
 .../next/next-server/lib/router/router.ts     |  7 ++-
 test/integration/basepath/test/index.test.js  | 53 +++++++++++++++++++
 3 files changed, 60 insertions(+), 12 deletions(-)

diff --git a/packages/next/client/index.js b/packages/next/client/index.js
index fc7d439a8a5f4..23fe1c7a4c0f1 100644
--- a/packages/next/client/index.js
+++ b/packages/next/client/index.js
@@ -9,7 +9,7 @@ import { RouterContext } from '../next-server/lib/router-context'
 import { isDynamicRoute } from '../next-server/lib/router/utils/is-dynamic'
 import * as envConfig from '../next-server/lib/runtime-config'
 import { getURL, loadGetInitialProps, ST } from '../next-server/lib/utils'
-import { delBasePath } from '../next-server/lib/router/router'
+import { hasBasePath, delBasePath } from '../next-server/lib/router/router'
 import initHeadManager from './head-manager'
 import PageLoader from './page-loader'
 import measureWebVitals from './performance-relayer'
@@ -52,15 +52,7 @@ envConfig.setConfig({
 let asPath = getURL()
 
 // make sure not to attempt stripping basePath for 404s
-if (
-  page !== '/404' &&
-  !(
-    page === '/_error' &&
-    hydrateProps &&
-    hydrateProps.pageProps &&
-    hydrateProps.pageProps.statusCode === 404
-  )
-) {
+if (hasBasePath(asPath)) {
   asPath = delBasePath(asPath)
 }
 
diff --git a/packages/next/next-server/lib/router/router.ts b/packages/next/next-server/lib/router/router.ts
index b6ac61c8ee242..44822b6650289 100644
--- a/packages/next/next-server/lib/router/router.ts
+++ b/packages/next/next-server/lib/router/router.ts
@@ -30,6 +30,10 @@ function buildCancellationError() {
   })
 }
 
+export function hasBasePath(path: string): boolean {
+  return path === basePath || path.startsWith(basePath + '/')
+}
+
 export function addBasePath(path: string): string {
   return basePath
     ? path === '/'
@@ -269,7 +273,6 @@ export default class Router implements BaseRouter {
       if (as.substr(0, 2) !== '//') {
         // in order for `e.state` to work on the `onpopstate` event
         // we have to register the initial route upon initialization
-
         this.changeState(
           'replaceState',
           formatWithValidation({ pathname: addBasePath(pathname), query }),
@@ -450,7 +453,7 @@ export default class Router implements BaseRouter {
       this.abortComponentLoad(this._inFlightRoute)
     }
 
-    const cleanedAs = delBasePath(as)
+    const cleanedAs = hasBasePath(as) ? delBasePath(as) : as
     this._inFlightRoute = as
 
     // If the url change is only related to a hash change
diff --git a/test/integration/basepath/test/index.test.js b/test/integration/basepath/test/index.test.js
index 593d9b23e95e7..8eef6545ed35b 100644
--- a/test/integration/basepath/test/index.test.js
+++ b/test/integration/basepath/test/index.test.js
@@ -141,6 +141,38 @@ const runTests = (context, dev = false) => {
     expect(html).toContain('getServerSideProps')
   })
 
+  it('should have correct asPath for rewrite without basePath', async () => {
+    const browser = await webdriver(context.appPort, '/rewrite-no-basePath')
+    expect(await browser.eval(() => window.location.pathname)).toBe(
+      '/rewrite-no-basePath'
+    )
+    expect(await browser.eval(() => window.next.router.asPath)).toBe(
+      '/rewrite-no-basePath'
+    )
+    expect(await browser.eval(() => window.next.router.pathname)).toBe('/gssp')
+  })
+
+  it('should have correct asPath for rewrite without basePath on back()', async () => {
+    const browser = await webdriver(context.appPort, '/rewrite-no-basePath')
+    await browser.eval(() => (window.navigationMarker = true))
+    await browser.eval(() => window.next.router.push('/hello'))
+    await check(
+      () => browser.eval(() => window.location.pathname),
+      '/docs/hello'
+    )
+    await browser.back()
+    await check(
+      () => browser.eval(() => window.location.pathname),
+      '/rewrite-no-basePath'
+    )
+    await check(
+      () => browser.eval(() => window.next.router.asPath),
+      '/rewrite-no-basePath'
+    )
+    expect(await browser.eval(() => window.next.router.pathname)).toBe('/gssp')
+    expect(await browser.eval(() => window.navigationMarker)).toBe(true)
+  })
+
   it('should redirect with basePath by default', async () => {
     const res = await fetchViaHTTP(
       context.appPort,
@@ -216,6 +248,27 @@ const runTests = (context, dev = false) => {
     expect(pathname).toBe('/missing')
   })
 
+  it('should handle 404 urls that start with basePath', async () => {
+    const browser = await webdriver(context.appPort, '/docshello')
+    expect(await browser.eval(() => window.next.router.asPath)).toBe(
+      '/docshello'
+    )
+    expect(await browser.eval(() => window.location.pathname)).toBe(
+      '/docshello'
+    )
+  })
+
+  it('should navigating back to a non-basepath 404 that starts with basepath', async () => {
+    const browser = await webdriver(context.appPort, '/docshello')
+    await browser.eval(() => window.next.router.push('/hello'))
+    await browser.waitForElementByCss('#pathname')
+    await browser.back()
+    check(() => browser.eval(() => window.location.pathname), '/docshello')
+    expect(await browser.eval(() => window.next.router.asPath)).toBe(
+      '/docshello'
+    )
+  })
+
   it('should update dynamic params after mount correctly', async () => {
     const browser = await webdriver(context.appPort, '/docs/hello-dynamic')
     const text = await browser.elementByCss('#slug').text()

From d0c57cf6b3473c2a280ab03059a24f20555e9d3f Mon Sep 17 00:00:00 2001
From: Sam Robbins <samrobbinsgb@gmail.com>
Date: Sat, 1 Aug 2020 13:12:17 +0100
Subject: [PATCH 82/90] Add clarification of routing to a dynamic route
 (#15771)

While it is mentioned in the [link documentation](https://nextjs.org/docs/api-reference/next/link), I think it is useful to also explain in the dynamic route documentation that you need to include the as parameter when routing to a dynamic route/
---
 docs/routing/dynamic-routes.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/routing/dynamic-routes.md b/docs/routing/dynamic-routes.md
index e4d85c0244d1b..304e2ab5913ab 100644
--- a/docs/routing/dynamic-routes.md
+++ b/docs/routing/dynamic-routes.md
@@ -108,5 +108,6 @@ The `query` objects are as follows:
   - `pages/post/[pid].js` - Will match `/post/1`, `/post/abc`, etc. But not `/post/create`
   - `pages/post/[...slug].js` - Will match `/post/1/2`, `/post/a/b/c`, etc. But not `/post/create`, `/post/abc`
 - Pages that are statically optimized by [Automatic Static Optimization](/docs/advanced-features/automatic-static-optimization.md) will be hydrated without their route parameters provided, i.e `query` will be an empty object (`{}`).
+- When routing to a dynamic route using `Link` or `router`, you will need to specify the `href` as the dynamic route, for example `/post/[pid]` and `as` as the decorator for the URL, for example `/post/abc`.
 
   After hydration, Next.js will trigger an update to your application to provide the route parameters in the `query` object.

From 841d4efc517a379d8947f491e3c6a1c4784bbccf Mon Sep 17 00:00:00 2001
From: Jan Potoms <2109932+Janpot@users.noreply.github.com>
Date: Sat, 1 Aug 2020 20:13:03 +0200
Subject: [PATCH 83/90] Improve router types (#15775)

---
 .../next/next-server/lib/router/router.ts     | 47 ++++++++++++-------
 1 file changed, 31 insertions(+), 16 deletions(-)

diff --git a/packages/next/next-server/lib/router/router.ts b/packages/next/next-server/lib/router/router.ts
index 44822b6650289..125ee15fdf5b5 100644
--- a/packages/next/next-server/lib/router/router.ts
+++ b/packages/next/next-server/lib/router/router.ts
@@ -22,6 +22,18 @@ import {
   normalizePathTrailingSlash,
 } from '../../../client/normalize-trailing-slash'
 
+interface TransitionOptions {
+  shallow?: boolean
+}
+
+interface NextHistoryState {
+  url: string
+  as: string
+  options: TransitionOptions
+}
+
+type HistoryState = null | { __N: false } | ({ __N: true } & NextHistoryState)
+
 const basePath = (process.env.__NEXT_ROUTER_BASEPATH as string) || ''
 
 function buildCancellationError() {
@@ -127,7 +139,7 @@ type RouteInfo = {
 
 type Subscription = (data: RouteInfo, App?: ComponentType) => Promise<void>
 
-type BeforePopStateCallback = (state: any) => boolean
+type BeforePopStateCallback = (state: NextHistoryState) => boolean
 
 type ComponentLoadCancel = (() => void) | null
 
@@ -325,7 +337,9 @@ export default class Router implements BaseRouter {
   }
 
   onPopState = (e: PopStateEvent): void => {
-    if (!e.state) {
+    const state = e.state as HistoryState
+
+    if (!state) {
       // We get state as undefined for two reasons.
       //  1. With older safari (< 8) and older chrome (< 34)
       //  2. When the URL changed with #
@@ -344,11 +358,12 @@ export default class Router implements BaseRouter {
       return
     }
 
-    const { url, as, options, __N } = e.state
-    if (!__N) {
-      // this history state wasn't created by next.js so it can be ignored
+    if (!state.__N) {
       return
     }
+
+    const { url, as, options } = state
+
     const { pathname } = parseRelativeUrl(url)
 
     // Make sure we don't re-render on initial load,
@@ -359,7 +374,7 @@ export default class Router implements BaseRouter {
 
     // If the downstream application returns falsy, return.
     // They will then be responsible for handling the event.
-    if (this._bps && !this._bps(e.state)) {
+    if (this._bps && !this._bps(state)) {
       return
     }
 
@@ -408,7 +423,7 @@ export default class Router implements BaseRouter {
    * @param as masks `url` for the browser
    * @param options object you can define `shallow` and other options
    */
-  push(url: Url, as: Url = url, options = {}) {
+  push(url: Url, as: Url = url, options: TransitionOptions = {}) {
     ;({ url, as } = prepareUrlAs(this, url, as))
     return this.change('pushState', url, as, options)
   }
@@ -419,7 +434,7 @@ export default class Router implements BaseRouter {
    * @param as masks `url` for the browser
    * @param options object you can define `shallow` and other options
    */
-  replace(url: Url, as: Url = url, options = {}) {
+  replace(url: Url, as: Url = url, options: TransitionOptions = {}) {
     ;({ url, as } = prepareUrlAs(this, url, as))
     return this.change('replaceState', url, as, options)
   }
@@ -428,9 +443,9 @@ export default class Router implements BaseRouter {
     method: HistoryMethod,
     url: string,
     as: string,
-    options: any
+    options: TransitionOptions
   ): Promise<boolean> {
-    if (!options._h) {
+    if (!(options as any)._h) {
       this.isSsr = false
     }
     // marking route changes as a navigation start entry
@@ -462,7 +477,7 @@ export default class Router implements BaseRouter {
     // WARNING: `_h` is an internal option for handing Next.js client-side
     // hydration. Your app should _never_ use this property. It may change at
     // any time without notice.
-    if (!options._h && this.onlyAHashChange(cleanedAs)) {
+    if (!(options as any)._h && this.onlyAHashChange(cleanedAs)) {
       this.asPath = cleanedAs
       Router.events.emit('hashChangeStart', as)
       this.changeState(method, url, as, options)
@@ -558,7 +573,7 @@ export default class Router implements BaseRouter {
 
       if (process.env.__NEXT_SCROLL_RESTORATION) {
         if (manualScrollRestoration && '_N_X' in options) {
-          window.scrollTo(options._N_X, options._N_Y)
+          window.scrollTo((options as any)._N_X, (options as any)._N_Y)
         }
       }
       Router.events.emit('routeChangeComplete', as)
@@ -576,7 +591,7 @@ export default class Router implements BaseRouter {
     method: HistoryMethod,
     url: string,
     as: string,
-    options = {}
+    options: TransitionOptions = {}
   ): void {
     if (process.env.NODE_ENV !== 'production') {
       if (typeof window.history === 'undefined') {
@@ -597,7 +612,7 @@ export default class Router implements BaseRouter {
           as,
           options,
           __N: true,
-        },
+        } as HistoryState,
         // Most browsers currently ignores this parameter, although they may use it in the future.
         // Passing the empty string here should be safe against future changes to the method.
         // https://developer.mozilla.org/en-US/docs/Web/API/History/replaceState
@@ -610,7 +625,7 @@ export default class Router implements BaseRouter {
   async handleRouteInfoError(
     err: Error & { code: any; cancelled: boolean },
     pathname: string,
-    query: any,
+    query: ParsedUrlQuery,
     as: string,
     loadErrorFail?: boolean
   ): Promise<RouteInfo> {
@@ -728,7 +743,7 @@ export default class Router implements BaseRouter {
   set(
     route: string,
     pathname: string,
-    query: any,
+    query: ParsedUrlQuery,
     as: string,
     data: RouteInfo
   ): Promise<void> {

From d0b6026dc508567e4410331c4c626de7c8cffac6 Mon Sep 17 00:00:00 2001
From: David Lemayian <877919+DavidLemayian@users.noreply.github.com>
Date: Sun, 2 Aug 2020 11:14:48 +0300
Subject: [PATCH 84/90] examples: Update with-electron .gitignore (#15783)

Thank you for the excellent examples.

This PR updates the `.gitignore` for [with-electron](https://github.com/vercel/next.js/tree/canary/examples/with-electron) example to ignore the output folders.
---
 examples/with-electron/.gitignore | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/examples/with-electron/.gitignore b/examples/with-electron/.gitignore
index 1437c53f70bc2..6165d4ac2abc9 100644
--- a/examples/with-electron/.gitignore
+++ b/examples/with-electron/.gitignore
@@ -9,11 +9,11 @@
 /coverage
 
 # next.js
-/.next/
-/out/
+/renderer/.next/
+/renderer/out/
 
 # production
-/build
+/dist
 
 # misc
 .DS_Store

From 9f92819742c0138ef90e155feb94224d450f8883 Mon Sep 17 00:00:00 2001
From: sreekumar menon <msreekm@gmail.com>
Date: Sun, 2 Aug 2020 12:22:39 -0700
Subject: [PATCH 85/90] Remove dotenv from auth0 Next.js example (#15398)

We should remove the dotenv dependency from all Next.js examples (in favor of Next.js environment support):
https://github.com/vercel/next.js/issues/15225
---
 examples/auth0/.env.local.example | 11 ++++
 examples/auth0/.env.template      |  6 ---
 examples/auth0/.gitignore         |  3 --
 examples/auth0/README.md          | 85 +++++++++----------------------
 examples/auth0/lib/auth0.js       | 21 ++++----
 examples/auth0/lib/config.js      | 26 ----------
 examples/auth0/next.config.js     | 17 -------
 examples/auth0/package.json       |  1 -
 examples/auth0/vercel.json        | 12 -----
 9 files changed, 47 insertions(+), 135 deletions(-)
 create mode 100644 examples/auth0/.env.local.example
 delete mode 100644 examples/auth0/.env.template
 delete mode 100644 examples/auth0/lib/config.js
 delete mode 100644 examples/auth0/next.config.js
 delete mode 100644 examples/auth0/vercel.json

diff --git a/examples/auth0/.env.local.example b/examples/auth0/.env.local.example
new file mode 100644
index 0000000000000..4946e625c14e5
--- /dev/null
+++ b/examples/auth0/.env.local.example
@@ -0,0 +1,11 @@
+# Public Environment variables that can be used in the browser.
+NEXT_PUBLIC_AUTH0_CLIENT_ID=
+NEXT_PUBLIC_AUTH0_SCOPE="openid profile"
+NEXT_PUBLIC_AUTH0_DOMAIN=
+NEXT_PUBLIC_REDIRECT_URI="http://localhost:3000/api/callback"
+NEXT_PUBLIC_POST_LOGOUT_REDIRECT_URI="http://localhost:3000"
+
+# Secret environment variables only available to Node.js
+AUTH0_CLIENT_SECRET=
+SESSION_COOKIE_SECRET=
+SESSION_COOKIE_LIFETIME=7200
diff --git a/examples/auth0/.env.template b/examples/auth0/.env.template
deleted file mode 100644
index 52f96ccb544fb..0000000000000
--- a/examples/auth0/.env.template
+++ /dev/null
@@ -1,6 +0,0 @@
-AUTH0_CLIENT_ID=
-AUTH0_DOMAIN=
-AUTH0_CLIENT_SECRET=
-REDIRECT_URI=
-POST_LOGOUT_REDIRECT_URI=
-SESSION_COOKIE_SECRET=
diff --git a/examples/auth0/.gitignore b/examples/auth0/.gitignore
index de436342e9529..1437c53f70bc2 100644
--- a/examples/auth0/.gitignore
+++ b/examples/auth0/.gitignore
@@ -24,9 +24,6 @@ npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 
-# auth0 env
-.env
-
 # local env files
 .env.local
 .env.development.local
diff --git a/examples/auth0/README.md b/examples/auth0/README.md
index 02f9d0df4671a..5368bd1c33145 100644
--- a/examples/auth0/README.md
+++ b/examples/auth0/README.md
@@ -1,10 +1,17 @@
 # Next.js and Auth0 Example
 
-This example shows how you can use `@auth0/nextjs-auth` to easily add authentication support to your Next.js application.
+This example shows how you can use `@auth0/nextjs-auth` to easily add authentication support to your Next.js application. It tries to cover a few topics:
+
+- Signing in
+- Signing out
+- Loading the user on the server side and adding it as part of SSR ([`pages/advanced/ssr-profile.js`](pages/advanced/ssr-profile.js))
+- Loading the user on the client side and using fast/cached SSR pages ([`pages/index.js`](pages/index.js))
+- API Routes which can load the current user ([`pages/api/me.js`](pages/api/me.js))
+- Using hooks to make the user available throughout the application ([`lib/user.js`](lib/user.js))
 
 Read more: [https://auth0.com/blog/ultimate-guide-nextjs-authentication-auth0/](https://auth0.com/blog/ultimate-guide-nextjs-authentication-auth0/)
 
-### Using `create-next-app`
+## How to use
 
 Execute [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app) with [npm](https://docs.npmjs.com/cli/init) or [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/) to bootstrap the example:
 
@@ -25,76 +32,32 @@ yarn create next-app --example auth0 auth0
 
 4. Save the settings
 
-### Configuring Next.js
-
-In the Next.js configuration file (`next.config.js`) you'll see that different environment variables are being assigned.
-
-### Local Development
+### Set up environment variables
 
-For local development you'll want to create a `.env` file with the necessary settings.
+To connect the app with Auth0, you'll need to add the settings from your Auth0 application as environment variables
 
-The required settings can be found on the Auth0 application's settings page:
+Copy the `.env.local.example` file in this directory to `.env.local` (which will be ignored by Git):
 
-```
-AUTH0_DOMAIN=YOUR_AUTH0_DOMAIN
-AUTH0_CLIENT_ID=YOUR_AUTH0_CLIENT_ID
-AUTH0_CLIENT_SECRET=YOUR_AUTH0_CLIENT_SECRET
-
-SESSION_COOKIE_SECRET=viloxyf_z2GW6K4CT-KQD_MoLEA2wqv5jWuq4Jd0P7ymgG5GJGMpvMneXZzhK3sL (at least 32 characters, used to encrypt the cookie)
-
-REDIRECT_URI=http://localhost:3000/api/callback
-POST_LOGOUT_REDIRECT_URI=http://localhost:3000/
+```bash
+cp .env.local.example .env.local
 ```
 
-### Hosting on Vercel
-
-When deploying this example to Vercel you'll want to update the `vercel.json` configuration file.
-
-```json
-{
-  "build": {
-    "env": {
-      "AUTH0_DOMAIN": "YOUR_AUTH0_DOMAIN",
-      "AUTH0_CLIENT_ID": "YOUR_AUTH0_CLIENT_ID",
-      "AUTH0_CLIENT_SECRET": "@auth0_client_secret",
-      "REDIRECT_URI": "https://my-website.now.sh/api/callback",
-      "POST_LOGOUT_REDIRECT_URI": "https://my-website.now.sh/",
-      "SESSION_COOKIE_SECRET": "@session_cookie_secret",
-      "SESSION_COOKIE_LIFETIME": 7200
-    }
-  }
-}
-```
+Then, open `.env.local` and add the missing environment variables:
 
-- `AUTH0_DOMAIN` - Can be found in the Auth0 dashboard under `settings`.
-- `AUTH0_CLIENT_ID` - Can be found in the Auth0 dashboard under `settings`.
+- `NEXT_PUBLIC_AUTH0_DOMAIN` - Can be found in the Auth0 dashboard under `settings`.
+- `NEXT_PUBLIC_AUTH0_CLIENT_ID` - Can be found in the Auth0 dashboard under `settings`.
 - `AUTH0_CLIENT_SECRET` - Can be found in the Auth0 dashboard under `settings`.
-- `REDIRECT_URI` - The url where Auth0 redirects back to, make sure a consistent url is used here.
-- `POST_LOGOUT_REDIRECT_URI` - Where to redirect after logging out
+- `NEXT_PUBLIC_REDIRECT_URI` - The url where Auth0 redirects back to, make sure a consistent url is used here.
+- `NEXT_PUBLIC_POST_LOGOUT_REDIRECT_URI` - Where to redirect after logging out
 - `SESSION_COOKIE_SECRET` - A unique secret used to encrypt the cookies, has to be at least 32 characters. You can use [this generator](https://generate-secret.now.sh/32) to generate a value.
 - `SESSION_COOKIE_LIFETIME` - How long a session lasts in seconds. The default is 2 hours.
 
-The `@auth0_client_secret` and `@session_cookie_secret` are [Vercel environment secrets](https://vercel.com/docs/v2/environment-variables-and-secrets/)
+## Deploy on Vercel
 
-You can create the `@auth0_client_secret` by running:
+You can deploy this app to the cloud with [Vercel](https://vercel.com?utm_source=github&utm_medium=readme&utm_campaign=next-example) ([Documentation](https://nextjs.org/docs/deployment)).
 
-```
-now secrets add auth0_client_secret PLACE_YOUR_AUTH0_CLIENT_SECRET
-```
-
-And create the `session_cookie_secret` by generating a value [here](https://generate-secret.now.sh/32) and running:
+### Deploy Your Local Project
 
-```
-now secrets add session_cookie_secret PLACE_YOUR_SESSION_COOKIE_SECRET
-```
+To deploy your local project to Vercel, push it to GitHub/GitLab/Bitbucket and [import to Vercel](https://vercel.com/import/git?utm_source=github&utm_medium=readme&utm_campaign=next-example).
 
-## About this sample
-
-This sample tries to cover a few topics:
-
-- Signing in
-- Signing out
-- Loading the user on the server side and adding it as part of SSR (`/pages/advanced/ssr-profile.js`)
-- Loading the user on the client side and using fast/cached SSR pages (`/pages/index.js`)
-- API Routes which can load the current user (`/pages/api/me.js`)
-- Using hooks to make the user available throughout the application (`/lib/user.js`)
+**Important**: When you import your project on Vercel, make sure to click on **Environment Variables** and set them to match your `.env.local` file.
diff --git a/examples/auth0/lib/auth0.js b/examples/auth0/lib/auth0.js
index c233f803de179..84fe93be3df93 100644
--- a/examples/auth0/lib/auth0.js
+++ b/examples/auth0/lib/auth0.js
@@ -1,15 +1,18 @@
 import { initAuth0 } from '@auth0/nextjs-auth0'
-import config from './config'
 
 export default initAuth0({
-  clientId: config.AUTH0_CLIENT_ID,
-  clientSecret: config.AUTH0_CLIENT_SECRET,
-  scope: config.AUTH0_SCOPE,
-  domain: config.AUTH0_DOMAIN,
-  redirectUri: config.REDIRECT_URI,
-  postLogoutRedirectUri: config.POST_LOGOUT_REDIRECT_URI,
+  clientId: process.env.NEXT_PUBLIC_AUTH0_CLIENT_ID,
+  clientSecret: process.env.AUTH0_CLIENT_SECRET,
+  scope: process.env.NEXT_PUBLIC_AUTH0_SCOPE || 'openid profile',
+  domain: process.env.NEXT_PUBLIC_AUTH0_DOMAIN,
+  redirectUri:
+    process.env.NEXT_PUBLIC_REDIRECT_URI ||
+    'http://localhost:3000/api/callback',
+  postLogoutRedirectUri:
+    process.env.NEXT_PUBLIC_POST_LOGOUT_REDIRECT_URI ||
+    'http://localhost:3000/',
   session: {
-    cookieSecret: config.SESSION_COOKIE_SECRET,
-    cookieLifetime: config.SESSION_COOKIE_LIFETIME,
+    cookieSecret: process.env.SESSION_COOKIE_SECRET,
+    cookieLifetime: Number(process.env.SESSION_COOKIE_LIFETIME) || 7200,
   },
 })
diff --git a/examples/auth0/lib/config.js b/examples/auth0/lib/config.js
deleted file mode 100644
index b7052748b1928..0000000000000
--- a/examples/auth0/lib/config.js
+++ /dev/null
@@ -1,26 +0,0 @@
-if (typeof window === 'undefined') {
-  /**
-   * Settings exposed to the server.
-   */
-  module.exports = {
-    AUTH0_CLIENT_ID: process.env.AUTH0_CLIENT_ID,
-    AUTH0_CLIENT_SECRET: process.env.AUTH0_CLIENT_SECRET,
-    AUTH0_SCOPE: process.env.AUTH0_SCOPE,
-    AUTH0_DOMAIN: process.env.AUTH0_DOMAIN,
-    REDIRECT_URI: process.env.REDIRECT_URI,
-    POST_LOGOUT_REDIRECT_URI: process.env.POST_LOGOUT_REDIRECT_URI,
-    SESSION_COOKIE_SECRET: process.env.SESSION_COOKIE_SECRET,
-    SESSION_COOKIE_LIFETIME: process.env.SESSION_COOKIE_LIFETIME,
-  }
-} else {
-  /**
-   * Settings exposed to the client.
-   */
-  module.exports = {
-    AUTH0_CLIENT_ID: process.env.AUTH0_CLIENT_ID,
-    AUTH0_SCOPE: process.env.AUTH0_SCOPE,
-    AUTH0_DOMAIN: process.env.AUTH0_DOMAIN,
-    REDIRECT_URI: process.env.REDIRECT_URI,
-    POST_LOGOUT_REDIRECT_URI: process.env.POST_LOGOUT_REDIRECT_URI,
-  }
-}
diff --git a/examples/auth0/next.config.js b/examples/auth0/next.config.js
deleted file mode 100644
index 4b804fdd389ff..0000000000000
--- a/examples/auth0/next.config.js
+++ /dev/null
@@ -1,17 +0,0 @@
-const dotenv = require('dotenv')
-dotenv.config()
-
-module.exports = {
-  env: {
-    AUTH0_DOMAIN: process.env.AUTH0_DOMAIN,
-    AUTH0_CLIENT_ID: process.env.AUTH0_CLIENT_ID,
-    AUTH0_CLIENT_SECRET: process.env.AUTH0_CLIENT_SECRET,
-    AUTH0_SCOPE: 'openid profile',
-    REDIRECT_URI:
-      process.env.REDIRECT_URI || 'http://localhost:3000/api/callback',
-    POST_LOGOUT_REDIRECT_URI:
-      process.env.POST_LOGOUT_REDIRECT_URI || 'http://localhost:3000/',
-    SESSION_COOKIE_SECRET: process.env.SESSION_COOKIE_SECRET,
-    SESSION_COOKIE_LIFETIME: 7200, // 2 hours
-  },
-}
diff --git a/examples/auth0/package.json b/examples/auth0/package.json
index 4c4921d84148b..f1e248e9cef46 100644
--- a/examples/auth0/package.json
+++ b/examples/auth0/package.json
@@ -9,7 +9,6 @@
   "license": "MIT",
   "dependencies": {
     "@auth0/nextjs-auth0": "^0.6.0",
-    "dotenv": "^8.2.0",
     "next": "latest",
     "react": "^16.12.0",
     "react-dom": "^16.12.0"
diff --git a/examples/auth0/vercel.json b/examples/auth0/vercel.json
deleted file mode 100644
index 7337cfc1c3e79..0000000000000
--- a/examples/auth0/vercel.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "build": {
-    "env": {
-      "AUTH0_DOMAIN": "YOUR_AUTH0_DOMAIN",
-      "AUTH0_CLIENT_ID": "YOUR_AUTH0_CLIENT_ID",
-      "AUTH0_CLIENT_SECRET": "@auth0_client_secret",
-      "REDIRECT_URI": "https://my-website.now.sh/api/callback",
-      "POST_LOGOUT_REDIRECT_URI": "https://my-website.now.sh/",
-      "SESSION_COOKIE_SECRET": "@session_cookie_secret"
-    }
-  }
-}

From 9dd974dfca1efd0b451065056f95f92747e2dada Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Sun, 2 Aug 2020 15:15:11 -0500
Subject: [PATCH 86/90] Fix dotenv loading with cascading values (#15799)

Adds additional test cases for cascading env values and corrects behavior

Fixes: https://github.com/vercel/next.js/issues/15744
---
 packages/next/lib/load-env-config.ts           | 14 ++++++++++++--
 test/integration/env-config/app/.env           |  4 +++-
 test/integration/env-config/app/.env.local     |  1 +
 .../env-config/app/pages/api/all.js            |  2 ++
 test/integration/env-config/app/pages/index.js |  2 ++
 .../env-config/app/pages/some-ssg.js           |  4 +++-
 .../env-config/app/pages/some-ssp.js           |  4 +++-
 test/integration/env-config/test/index.test.js | 18 ++++++++++++++++--
 8 files changed, 42 insertions(+), 7 deletions(-)

diff --git a/packages/next/lib/load-env-config.ts b/packages/next/lib/load-env-config.ts
index ebf64ef42d852..d4ceb0707a163 100644
--- a/packages/next/lib/load-env-config.ts
+++ b/packages/next/lib/load-env-config.ts
@@ -27,6 +27,9 @@ export function processEnv(loadedEnvFiles: LoadedEnvFiles, dir?: string) {
   // function is re-used or we are running in `next start` mode
   process.env.__NEXT_PROCESSED_ENV = 'true'
 
+  const origEnv = Object.assign({}, process.env)
+  const parsed: dotenv.DotenvParseOutput = {}
+
   for (const envFile of loadedEnvFiles) {
     try {
       let result: DotenvConfigOutput = {}
@@ -38,7 +41,14 @@ export function processEnv(loadedEnvFiles: LoadedEnvFiles, dir?: string) {
         log.info(`Loaded env from ${path.join(dir || '', envFile.path)}`)
       }
 
-      Object.assign(process.env, result.parsed)
+      for (const key of Object.keys(result.parsed || {})) {
+        if (
+          typeof parsed[key] === 'undefined' &&
+          typeof origEnv[key] === 'undefined'
+        ) {
+          parsed[key] = result.parsed?.[key]!
+        }
+      }
     } catch (err) {
       log.error(
         `Failed to load env from ${path.join(dir || '', envFile.path)}`,
@@ -47,7 +57,7 @@ export function processEnv(loadedEnvFiles: LoadedEnvFiles, dir?: string) {
     }
   }
 
-  return process.env as Env
+  return Object.assign(process.env, parsed)
 }
 
 export function loadEnvConfig(
diff --git a/test/integration/env-config/app/.env b/test/integration/env-config/app/.env
index d50cde61838c9..4313e4592ae8d 100644
--- a/test/integration/env-config/app/.env
+++ b/test/integration/env-config/app/.env
@@ -1,5 +1,6 @@
 PROCESS_ENV_KEY="env"
 ENV_FILE_KEY=env
+ENV_FILE_EMPTY_FIRST=
 ENV_FILE_LOCAL_OVERRIDE_TEST=env
 ENV_FILE_DEVELOPMENT_OVERRIDE_TEST=env
 ENV_FILE_DEVELOPMENT_LOCAL_OVERRIDEOVERRIDE_TEST=env
@@ -11,4 +12,5 @@ NEXT_PUBLIC_TEST_DEST=another
 ENV_FILE_EXPANDED=$ENV_FILE_KEY
 ENV_FILE_EXPANDED_CONCAT=hello-${ENV_FILE_KEY}
 ENV_FILE_EXPANDED_ESCAPED=\$ENV_FILE_KEY
-ENV_FILE_KEY_EXCLAMATION="hello!"
\ No newline at end of file
+ENV_FILE_KEY_EXCLAMATION="hello!"
+ENV_FILE_PROCESS_ENV="env-file"
\ No newline at end of file
diff --git a/test/integration/env-config/app/.env.local b/test/integration/env-config/app/.env.local
index 077c72362c548..b5cbb5f83c2b1 100644
--- a/test/integration/env-config/app/.env.local
+++ b/test/integration/env-config/app/.env.local
@@ -1,2 +1,3 @@
 LOCAL_ENV_FILE_KEY=localenv
+ENV_FILE_EMPTY_FIRST=\$escaped
 ENV_FILE_LOCAL_OVERRIDE_TEST=localenv
\ No newline at end of file
diff --git a/test/integration/env-config/app/pages/api/all.js b/test/integration/env-config/app/pages/api/all.js
index 71c4968c8cc6c..59dab4c5ccc85 100644
--- a/test/integration/env-config/app/pages/api/all.js
+++ b/test/integration/env-config/app/pages/api/all.js
@@ -1,6 +1,8 @@
 const variables = [
   'PROCESS_ENV_KEY',
   'ENV_FILE_KEY',
+  'ENV_FILE_EMPTY_FIRST',
+  'ENV_FILE_PROCESS_ENV',
   'LOCAL_ENV_FILE_KEY',
   'ENV_FILE_LOCAL_OVERRIDE_TEST',
   'PRODUCTION_ENV_FILE_KEY',
diff --git a/test/integration/env-config/app/pages/index.js b/test/integration/env-config/app/pages/index.js
index 3f6247d2ce8ef..9381f9094e173 100644
--- a/test/integration/env-config/app/pages/index.js
+++ b/test/integration/env-config/app/pages/index.js
@@ -1,6 +1,8 @@
 const variables = [
   'PROCESS_ENV_KEY',
   'ENV_FILE_KEY',
+  'ENV_FILE_EMPTY_FIRST',
+  'ENV_FILE_PROCESS_ENV',
   'LOCAL_ENV_FILE_KEY',
   'ENV_FILE_LOCAL_OVERRIDE_TEST',
   'PRODUCTION_ENV_FILE_KEY',
diff --git a/test/integration/env-config/app/pages/some-ssg.js b/test/integration/env-config/app/pages/some-ssg.js
index 3f6247d2ce8ef..31e50123d6750 100644
--- a/test/integration/env-config/app/pages/some-ssg.js
+++ b/test/integration/env-config/app/pages/some-ssg.js
@@ -1,6 +1,8 @@
 const variables = [
   'PROCESS_ENV_KEY',
   'ENV_FILE_KEY',
+  'ENV_FILE_EMPTY_FIRST',
+  'ENV_FILE_PROCESS_ENV',
   'LOCAL_ENV_FILE_KEY',
   'ENV_FILE_LOCAL_OVERRIDE_TEST',
   'PRODUCTION_ENV_FILE_KEY',
@@ -25,7 +27,7 @@ export async function getStaticProps() {
   const items = {}
 
   variables.forEach((variable) => {
-    if (process.env[variable]) {
+    if (typeof process.env[variable] !== 'undefined') {
       items[variable] = process.env[variable]
     }
   })
diff --git a/test/integration/env-config/app/pages/some-ssp.js b/test/integration/env-config/app/pages/some-ssp.js
index 62db07bb4223a..a3ae47cb158db 100644
--- a/test/integration/env-config/app/pages/some-ssp.js
+++ b/test/integration/env-config/app/pages/some-ssp.js
@@ -1,6 +1,8 @@
 const variables = [
   'PROCESS_ENV_KEY',
   'ENV_FILE_KEY',
+  'ENV_FILE_EMPTY_FIRST',
+  'ENV_FILE_PROCESS_ENV',
   'LOCAL_ENV_FILE_KEY',
   'ENV_FILE_LOCAL_OVERRIDE_TEST',
   'PRODUCTION_ENV_FILE_KEY',
@@ -25,7 +27,7 @@ export async function getServerSideProps() {
   const items = {}
 
   variables.forEach((variable) => {
-    if (process.env[variable]) {
+    if (typeof process.env[variable] !== 'undefined') {
       items[variable] = process.env[variable]
     }
   })
diff --git a/test/integration/env-config/test/index.test.js b/test/integration/env-config/test/index.test.js
index 3c3d7222fccaf..04e1705adbc9d 100644
--- a/test/integration/env-config/test/index.test.js
+++ b/test/integration/env-config/test/index.test.js
@@ -51,6 +51,8 @@ const runTests = (mode = 'dev') => {
     expect(data.ENV_FILE_EXPANDED_CONCAT).toBe('hello-env')
     expect(data.ENV_FILE_EXPANDED_ESCAPED).toBe('$ENV_FILE_KEY')
     expect(data.ENV_FILE_KEY_EXCLAMATION).toBe('hello!')
+    expect(data.ENV_FILE_EMPTY_FIRST).toBe(isTestEnv ? '' : '$escaped')
+    expect(data.ENV_FILE_PROCESS_ENV).toBe('env-cli')
   }
 
   it('should have process environment override .env', async () => {
@@ -135,6 +137,7 @@ describe('Env Config', () => {
       app = await launchApp(appDir, appPort, {
         env: {
           PROCESS_ENV_KEY: 'processenvironment',
+          ENV_FILE_PROCESS_ENV: 'env-cli',
         },
       })
     })
@@ -150,6 +153,7 @@ describe('Env Config', () => {
         env: {
           PROCESS_ENV_KEY: 'processenvironment',
           NODE_ENV: 'test',
+          ENV_FILE_PROCESS_ENV: 'env-cli',
         },
       })
     })
@@ -163,12 +167,17 @@ describe('Env Config', () => {
       const { code } = await nextBuild(appDir, [], {
         env: {
           PROCESS_ENV_KEY: 'processenvironment',
+          ENV_FILE_PROCESS_ENV: 'env-cli',
         },
       })
       if (code !== 0) throw new Error(`Build failed with exit code ${code}`)
 
       appPort = await findPort()
-      app = await nextStart(appDir, appPort)
+      app = await nextStart(appDir, appPort, {
+        env: {
+          ENV_FILE_PROCESS_ENV: 'env-cli',
+        },
+      })
     })
     afterAll(() => killApp(app))
 
@@ -201,6 +210,7 @@ describe('Env Config', () => {
       const { code } = await nextBuild(appDir, [], {
         env: {
           PROCESS_ENV_KEY: 'processenvironment',
+          ENV_FILE_PROCESS_ENV: 'env-cli',
         },
       })
 
@@ -213,7 +223,11 @@ describe('Env Config', () => {
         await fs.rename(file, `${file}.bak`)
       }
 
-      app = await nextStart(appDir, appPort)
+      app = await nextStart(appDir, appPort, {
+        env: {
+          ENV_FILE_PROCESS_ENV: 'env-cli',
+        },
+      })
     })
     afterAll(async () => {
       for (const file of envFiles) {

From ed0a47b1104c718894e1f411e505d6a64f00e792 Mon Sep 17 00:00:00 2001
From: Joe Haddad <joe.haddad@zeit.co>
Date: Mon, 3 Aug 2020 01:47:42 -0400
Subject: [PATCH 87/90] v9.5.2-canary.2

---
 lerna.json                                         | 2 +-
 packages/create-next-app/package.json              | 2 +-
 packages/eslint-plugin-next/package.json           | 2 +-
 packages/next-bundle-analyzer/package.json         | 2 +-
 packages/next-mdx/package.json                     | 2 +-
 packages/next-plugin-google-analytics/package.json | 2 +-
 packages/next-plugin-sentry/package.json           | 2 +-
 packages/next-plugin-storybook/package.json        | 2 +-
 packages/next-polyfill-nomodule/package.json       | 2 +-
 packages/next/package.json                         | 8 ++++----
 packages/react-dev-overlay/package.json            | 2 +-
 packages/react-refresh-utils/package.json          | 2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lerna.json b/lerna.json
index e7324a9cde96d..c3f67b050ad6b 100644
--- a/lerna.json
+++ b/lerna.json
@@ -17,5 +17,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "9.5.2-canary.1"
+  "version": "9.5.2-canary.2"
 }
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index 32136c60a7dd0..fd91750a1a653 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "9.5.2-canary.1",
+  "version": "9.5.2-canary.2",
   "keywords": [
     "react",
     "next",
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index 46e4bd9c490e7..3b9995e6078cb 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "9.5.2-canary.1",
+  "version": "9.5.2-canary.2",
   "description": "ESLint plugin for NextJS.",
   "main": "lib/index.js",
   "license": "MIT",
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index 92f6ac5c49b6f..f6a57768a7c3d 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "9.5.2-canary.1",
+  "version": "9.5.2-canary.2",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index a1d75f28ff3d2..d384965ef474f 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "9.5.2-canary.1",
+  "version": "9.5.2-canary.2",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-plugin-google-analytics/package.json b/packages/next-plugin-google-analytics/package.json
index 42e7c897544db..3bba8a6493732 100644
--- a/packages/next-plugin-google-analytics/package.json
+++ b/packages/next-plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-google-analytics",
-  "version": "9.5.2-canary.1",
+  "version": "9.5.2-canary.2",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-google-analytics"
diff --git a/packages/next-plugin-sentry/package.json b/packages/next-plugin-sentry/package.json
index 67cab234c6bb0..e5fcbe2564aea 100644
--- a/packages/next-plugin-sentry/package.json
+++ b/packages/next-plugin-sentry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-sentry",
-  "version": "9.5.2-canary.1",
+  "version": "9.5.2-canary.2",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-sentry"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index 5f04def1a4552..91c8540463659 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "9.5.2-canary.1",
+  "version": "9.5.2-canary.2",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index 850709719405d..28fbf10e9d73f 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "9.5.2-canary.1",
+  "version": "9.5.2-canary.2",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next/package.json b/packages/next/package.json
index c0d77ecca77b9..0d86672ede7ac 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "9.5.2-canary.1",
+  "version": "9.5.2-canary.2",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -76,8 +76,8 @@
     "@babel/preset-typescript": "7.9.0",
     "@babel/runtime": "7.9.6",
     "@babel/types": "7.9.6",
-    "@next/react-dev-overlay": "9.5.2-canary.1",
-    "@next/react-refresh-utils": "9.5.2-canary.1",
+    "@next/react-dev-overlay": "9.5.2-canary.2",
+    "@next/react-refresh-utils": "9.5.2-canary.2",
     "ast-types": "0.13.2",
     "babel-plugin-syntax-jsx": "6.18.0",
     "babel-plugin-transform-define": "2.0.0",
@@ -119,7 +119,7 @@
     "react-dom": "^16.6.0"
   },
   "devDependencies": {
-    "@next/polyfill-nomodule": "9.5.2-canary.1",
+    "@next/polyfill-nomodule": "9.5.2-canary.2",
     "@taskr/clear": "1.1.0",
     "@taskr/esnext": "1.1.0",
     "@taskr/watch": "1.1.0",
diff --git a/packages/react-dev-overlay/package.json b/packages/react-dev-overlay/package.json
index ccd8025fa2502..823b74cbf5077 100644
--- a/packages/react-dev-overlay/package.json
+++ b/packages/react-dev-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-dev-overlay",
-  "version": "9.5.2-canary.1",
+  "version": "9.5.2-canary.2",
   "description": "A development-only overlay for developing React applications.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index ab870b4344b23..88adf331fbd6a 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "9.5.2-canary.1",
+  "version": "9.5.2-canary.2",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",

From 210a6980d2d630e0ed7c67552a6ebf96921dac15 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <tim@timneutkens.nl>
Date: Mon, 3 Aug 2020 14:26:23 +0200
Subject: [PATCH 88/90] Solve large portion of webpack 5 deprecation warnings
 (#15806)

- Using `namedChunks` where possible, this will also allow for faster access to the chunks as we no longer have to look them up like we did before using `find`
- Using the new asset hooks introduced in the latest webpack beta
- Using the new externals function signature
---
 packages/next/build/webpack-config.ts         | 275 +++++++++---------
 .../webpack/plugins/build-manifest-plugin.ts  | 254 +++++++++-------
 .../webpack/plugins/pages-manifest-plugin.ts  |  86 +++---
 .../webpack/plugins/react-loadable-plugin.ts  |  72 +++--
 .../webpack/plugins/serverless-plugin.ts      |  11 +-
 packages/next/server/hot-reloader.ts          |  10 +-
 6 files changed, 400 insertions(+), 308 deletions(-)

diff --git a/packages/next/build/webpack-config.ts b/packages/next/build/webpack-config.ts
index 2985e6ecce822..bdc254196cf69 100644
--- a/packages/next/build/webpack-config.ts
+++ b/packages/next/build/webpack-config.ts
@@ -501,153 +501,160 @@ export default async function getBaseWebpackConfig(
     },
     config.conformance
   )
-  let webpackConfig: webpack.Configuration = {
-    externals: !isServer
-      ? // make sure importing "next" is handled gracefully for client
-        // bundles in case a user imported types and it wasn't removed
-        // TODO: should we warn/error for this instead?
-        ['next']
-      : !isServerless
-      ? [
-          (context, request, callback) => {
-            if (request === 'next') {
-              return callback(undefined, `commonjs ${request}`)
-            }
 
-            const notExternalModules = [
-              'next/app',
-              'next/document',
-              'next/link',
-              'next/error',
-              'string-hash',
-              'next/constants',
-            ]
-
-            if (notExternalModules.indexOf(request) !== -1) {
-              return callback()
-            }
+  function handleExternals(context: any, request: any, callback: any) {
+    if (request === 'next') {
+      return callback(undefined, `commonjs ${request}`)
+    }
 
-            // We need to externalize internal requests for files intended to
-            // not be bundled.
-
-            const isLocal: boolean =
-              request.startsWith('.') ||
-              // Always check for unix-style path, as webpack sometimes
-              // normalizes as posix.
-              path.posix.isAbsolute(request) ||
-              // When on Windows, we also want to check for Windows-specific
-              // absolute paths.
-              (process.platform === 'win32' && path.win32.isAbsolute(request))
-            const isLikelyNextExternal =
-              isLocal && /[/\\]next-server[/\\]/.test(request)
-
-            // Relative requires don't need custom resolution, because they
-            // are relative to requests we've already resolved here.
-            // Absolute requires (require('/foo')) are extremely uncommon, but
-            // also have no need for customization as they're already resolved.
-            if (isLocal && !isLikelyNextExternal) {
-              return callback()
-            }
+    const notExternalModules = [
+      'next/app',
+      'next/document',
+      'next/link',
+      'next/error',
+      'string-hash',
+      'next/constants',
+    ]
 
-            // Resolve the import with the webpack provided context, this
-            // ensures we're resolving the correct version when multiple
-            // exist.
-            let res: string
-            try {
-              res = resolveRequest(request, `${context}/`)
-            } catch (err) {
-              // If the request cannot be resolved, we need to tell webpack to
-              // "bundle" it so that webpack shows an error (that it cannot be
-              // resolved).
-              return callback()
-            }
+    if (notExternalModules.indexOf(request) !== -1) {
+      return callback()
+    }
 
-            // Same as above, if the request cannot be resolved we need to have
-            // webpack "bundle" it so it surfaces the not found error.
-            if (!res) {
-              return callback()
-            }
+    // We need to externalize internal requests for files intended to
+    // not be bundled.
+
+    const isLocal: boolean =
+      request.startsWith('.') ||
+      // Always check for unix-style path, as webpack sometimes
+      // normalizes as posix.
+      path.posix.isAbsolute(request) ||
+      // When on Windows, we also want to check for Windows-specific
+      // absolute paths.
+      (process.platform === 'win32' && path.win32.isAbsolute(request))
+    const isLikelyNextExternal =
+      isLocal && /[/\\]next-server[/\\]/.test(request)
+
+    // Relative requires don't need custom resolution, because they
+    // are relative to requests we've already resolved here.
+    // Absolute requires (require('/foo')) are extremely uncommon, but
+    // also have no need for customization as they're already resolved.
+    if (isLocal && !isLikelyNextExternal) {
+      return callback()
+    }
 
-            let isNextExternal: boolean = false
-            if (isLocal) {
-              // we need to process next-server/lib/router/router so that
-              // the DefinePlugin can inject process.env values
-              isNextExternal = /next[/\\]dist[/\\]next-server[/\\](?!lib[/\\]router[/\\]router)/.test(
-                res
-              )
+    // Resolve the import with the webpack provided context, this
+    // ensures we're resolving the correct version when multiple
+    // exist.
+    let res: string
+    try {
+      res = resolveRequest(request, `${context}/`)
+    } catch (err) {
+      // If the request cannot be resolved, we need to tell webpack to
+      // "bundle" it so that webpack shows an error (that it cannot be
+      // resolved).
+      return callback()
+    }
 
-              if (!isNextExternal) {
-                return callback()
-              }
-            }
+    // Same as above, if the request cannot be resolved we need to have
+    // webpack "bundle" it so it surfaces the not found error.
+    if (!res) {
+      return callback()
+    }
 
-            // `isNextExternal` special cases Next.js' internal requires that
-            // should not be bundled. We need to skip the base resolve routine
-            // to prevent it from being bundled (assumes Next.js version cannot
-            // mismatch).
-            if (!isNextExternal) {
-              // Bundled Node.js code is relocated without its node_modules tree.
-              // This means we need to make sure its request resolves to the same
-              // package that'll be available at runtime. If it's not identical,
-              // we need to bundle the code (even if it _should_ be external).
-              let baseRes: string | null
-              try {
-                baseRes = resolveRequest(request, `${dir}/`)
-              } catch (err) {
-                baseRes = null
-              }
+    let isNextExternal: boolean = false
+    if (isLocal) {
+      // we need to process next-server/lib/router/router so that
+      // the DefinePlugin can inject process.env values
+      isNextExternal = /next[/\\]dist[/\\]next-server[/\\](?!lib[/\\]router[/\\]router)/.test(
+        res
+      )
 
-              // Same as above: if the package, when required from the root,
-              // would be different from what the real resolution would use, we
-              // cannot externalize it.
-              if (baseRes !== res) {
-                return callback()
-              }
-            }
+      if (!isNextExternal) {
+        return callback()
+      }
+    }
 
-            // Default pages have to be transpiled
-            if (
-              !res.match(/next[/\\]dist[/\\]next-server[/\\]/) &&
-              (res.match(/[/\\]next[/\\]dist[/\\]/) ||
-                // This is the @babel/plugin-transform-runtime "helpers: true" option
-                res.match(/node_modules[/\\]@babel[/\\]runtime[/\\]/))
-            ) {
-              return callback()
-            }
+    // `isNextExternal` special cases Next.js' internal requires that
+    // should not be bundled. We need to skip the base resolve routine
+    // to prevent it from being bundled (assumes Next.js version cannot
+    // mismatch).
+    if (!isNextExternal) {
+      // Bundled Node.js code is relocated without its node_modules tree.
+      // This means we need to make sure its request resolves to the same
+      // package that'll be available at runtime. If it's not identical,
+      // we need to bundle the code (even if it _should_ be external).
+      let baseRes: string | null
+      try {
+        baseRes = resolveRequest(request, `${dir}/`)
+      } catch (err) {
+        baseRes = null
+      }
 
-            // Webpack itself has to be compiled because it doesn't always use module relative paths
-            if (
-              res.match(/node_modules[/\\]webpack/) ||
-              res.match(/node_modules[/\\]css-loader/)
-            ) {
-              return callback()
-            }
+      // Same as above: if the package, when required from the root,
+      // would be different from what the real resolution would use, we
+      // cannot externalize it.
+      if (baseRes !== res) {
+        return callback()
+      }
+    }
 
-            // Anything else that is standard JavaScript within `node_modules`
-            // can be externalized.
-            if (isNextExternal || res.match(/node_modules[/\\].*\.js$/)) {
-              const externalRequest = isNextExternal
-                ? // Generate Next.js external import
-                  path.posix.join(
-                    'next',
-                    'dist',
-                    path
-                      .relative(
-                        // Root of Next.js package:
-                        path.join(__dirname, '..'),
-                        res
-                      )
-                      // Windows path normalization
-                      .replace(/\\/g, '/')
-                  )
-                : request
+    // Default pages have to be transpiled
+    if (
+      !res.match(/next[/\\]dist[/\\]next-server[/\\]/) &&
+      (res.match(/[/\\]next[/\\]dist[/\\]/) ||
+        // This is the @babel/plugin-transform-runtime "helpers: true" option
+        res.match(/node_modules[/\\]@babel[/\\]runtime[/\\]/))
+    ) {
+      return callback()
+    }
 
-              return callback(undefined, `commonjs ${externalRequest}`)
-            }
+    // Webpack itself has to be compiled because it doesn't always use module relative paths
+    if (
+      res.match(/node_modules[/\\]webpack/) ||
+      res.match(/node_modules[/\\]css-loader/)
+    ) {
+      return callback()
+    }
 
-            // Default behavior: bundle the code!
-            callback()
-          },
+    // Anything else that is standard JavaScript within `node_modules`
+    // can be externalized.
+    if (isNextExternal || res.match(/node_modules[/\\].*\.js$/)) {
+      const externalRequest = isNextExternal
+        ? // Generate Next.js external import
+          path.posix.join(
+            'next',
+            'dist',
+            path
+              .relative(
+                // Root of Next.js package:
+                path.join(__dirname, '..'),
+                res
+              )
+              // Windows path normalization
+              .replace(/\\/g, '/')
+          )
+        : request
+
+      return callback(undefined, `commonjs ${externalRequest}`)
+    }
+
+    // Default behavior: bundle the code!
+    callback()
+  }
+
+  let webpackConfig: webpack.Configuration = {
+    externals: !isServer
+      ? // make sure importing "next" is handled gracefully for client
+        // bundles in case a user imported types and it wasn't removed
+        // TODO: should we warn/error for this instead?
+        ['next']
+      : !isServerless
+      ? [
+          isWebpack5
+            ? ({ context, request }, callback) =>
+                handleExternals(context, request, callback)
+            : (context, request, callback) =>
+                handleExternals(context, request, callback),
         ]
       : [
           // When the 'serverless' target is used all node_modules will be compiled into the output bundles
diff --git a/packages/next/build/webpack/plugins/build-manifest-plugin.ts b/packages/next/build/webpack/plugins/build-manifest-plugin.ts
index 62b1d3838f4e8..c530823acca42 100644
--- a/packages/next/build/webpack/plugins/build-manifest-plugin.ts
+++ b/packages/next/build/webpack/plugins/build-manifest-plugin.ts
@@ -1,5 +1,5 @@
 import devalue from 'next/dist/compiled/devalue'
-import { Compiler, compilation as CompilationType } from 'webpack'
+import webpack, { Compiler, compilation as CompilationType } from 'webpack'
 import { RawSource } from 'webpack-sources'
 import {
   BUILD_MANIFEST,
@@ -13,6 +13,8 @@ import { BuildManifest } from '../../../next-server/server/get-page-files'
 import getRouteFromEntrypoint from '../../../next-server/server/get-route-from-entrypoint'
 import { ampFirstEntryNamesMap } from './next-drop-client-page-plugin'
 
+const isWebpack5 = parseInt(webpack.version!) === 5
+
 // This function takes the asset map generated in BuildManifestPlugin and creates a
 // reduced version to send to the client.
 function generateClientManifest(
@@ -45,6 +47,17 @@ function isJsFile(file: string): boolean {
   return !file.endsWith('.hot-update.js') && file.endsWith('.js')
 }
 
+function getFilesArray(files: any) {
+  if (!files) {
+    return []
+  }
+  if (isWebpack5) {
+    return Array.from(files)
+  }
+
+  return files
+}
+
 // This plugin creates a build-manifest.json for all assets that are being output
 // It has a mapping of "entry" filename to real filename. Because the real filename can be hashed in production
 export default class BuildManifestPlugin {
@@ -56,143 +69,158 @@ export default class BuildManifestPlugin {
     this.modern = options.modern
   }
 
-  apply(compiler: Compiler) {
-    compiler.hooks.emit.tapAsync(
-      'NextJsBuildManifest',
-      (compilation: any, callback: any) => {
-        const chunks: CompilationType.Chunk[] = compilation.chunks
-        const assetMap: BuildManifest = {
-          polyfillFiles: [],
-          devFiles: [],
-          ampDevFiles: [],
-          lowPriorityFiles: [],
-          pages: { '/_app': [] },
-          ampFirstPages: [],
-        }
-
-        const ampFirstEntryNames = ampFirstEntryNamesMap.get(compilation)
-        if (ampFirstEntryNames) {
-          for (const entryName of ampFirstEntryNames) {
-            const pagePath = getRouteFromEntrypoint(entryName)
-            if (!pagePath) {
-              continue
-            }
+  createAssets(compilation: any, assets: any) {
+    const namedChunks: Map<string, CompilationType.Chunk> =
+      compilation.namedChunks
+    const assetMap: BuildManifest = {
+      polyfillFiles: [],
+      devFiles: [],
+      ampDevFiles: [],
+      lowPriorityFiles: [],
+      pages: { '/_app': [] },
+      ampFirstPages: [],
+    }
 
-            assetMap.ampFirstPages.push(pagePath)
-          }
+    const ampFirstEntryNames = ampFirstEntryNamesMap.get(compilation)
+    if (ampFirstEntryNames) {
+      for (const entryName of ampFirstEntryNames) {
+        const pagePath = getRouteFromEntrypoint(entryName)
+        if (!pagePath) {
+          continue
         }
 
-        const mainJsChunk = chunks.find(
-          (c) => c.name === CLIENT_STATIC_FILES_RUNTIME_MAIN
-        )
-
-        const mainJsFiles: string[] = mainJsChunk?.files.filter(isJsFile) ?? []
+        assetMap.ampFirstPages.push(pagePath)
+      }
+    }
 
-        const polyfillChunk = chunks.find(
-          (c) => c.name === CLIENT_STATIC_FILES_RUNTIME_POLYFILLS
-        )
+    const mainJsChunk = namedChunks.get(CLIENT_STATIC_FILES_RUNTIME_MAIN)
 
-        // Create a separate entry  for polyfills
-        assetMap.polyfillFiles = polyfillChunk?.files.filter(isJsFile) ?? []
+    const mainJsFiles: string[] = getFilesArray(mainJsChunk?.files).filter(
+      isJsFile
+    )
 
-        const reactRefreshChunk = chunks.find(
-          (c) => c.name === CLIENT_STATIC_FILES_RUNTIME_REACT_REFRESH
-        )
-        assetMap.devFiles = reactRefreshChunk?.files.filter(isJsFile) ?? []
+    const polyfillChunk = namedChunks.get(CLIENT_STATIC_FILES_RUNTIME_POLYFILLS)
 
-        for (const entrypoint of compilation.entrypoints.values()) {
-          const isAmpRuntime =
-            entrypoint.name === CLIENT_STATIC_FILES_RUNTIME_AMP
+    // Create a separate entry  for polyfills
+    assetMap.polyfillFiles = getFilesArray(polyfillChunk?.files).filter(
+      isJsFile
+    )
 
-          if (isAmpRuntime) {
-            for (const file of entrypoint.getFiles()) {
-              if (!(isJsFile(file) || file.endsWith('.css'))) {
-                continue
-              }
+    const reactRefreshChunk = namedChunks.get(
+      CLIENT_STATIC_FILES_RUNTIME_REACT_REFRESH
+    )
+    assetMap.devFiles = getFilesArray(reactRefreshChunk?.files).filter(isJsFile)
 
-              assetMap.ampDevFiles.push(file.replace(/\\/g, '/'))
-            }
-            continue
-          }
-          const pagePath = getRouteFromEntrypoint(entrypoint.name)
+    for (const entrypoint of compilation.entrypoints.values()) {
+      const isAmpRuntime = entrypoint.name === CLIENT_STATIC_FILES_RUNTIME_AMP
 
-          if (!pagePath) {
+      if (isAmpRuntime) {
+        for (const file of entrypoint.getFiles()) {
+          if (!(isJsFile(file) || file.endsWith('.css'))) {
             continue
           }
 
-          const filesForEntry: string[] = []
+          assetMap.ampDevFiles.push(file.replace(/\\/g, '/'))
+        }
+        continue
+      }
+      const pagePath = getRouteFromEntrypoint(entrypoint.name)
 
-          // getFiles() - helper function to read the files for an entrypoint from stats object
-          for (const file of entrypoint.getFiles()) {
-            if (!(isJsFile(file) || file.endsWith('.css'))) {
-              continue
-            }
+      if (!pagePath) {
+        continue
+      }
 
-            filesForEntry.push(file.replace(/\\/g, '/'))
-          }
+      const filesForEntry: string[] = []
 
-          assetMap.pages[pagePath] = [...mainJsFiles, ...filesForEntry]
+      // getFiles() - helper function to read the files for an entrypoint from stats object
+      for (const file of entrypoint.getFiles()) {
+        if (!(isJsFile(file) || file.endsWith('.css'))) {
+          continue
         }
 
-        // Add the runtime build manifest file (generated later in this file)
-        // as a dependency for the app. If the flag is false, the file won't be
-        // downloaded by the client.
-        assetMap.lowPriorityFiles.push(
-          `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_buildManifest.js`
-        )
-        if (this.modern) {
-          assetMap.lowPriorityFiles.push(
-            `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_buildManifest.module.js`
-          )
-        }
+        filesForEntry.push(file.replace(/\\/g, '/'))
+      }
 
-        // Add the runtime ssg manifest file as a lazy-loaded file dependency.
-        // We also stub this file out for development mode (when it is not
-        // generated).
-        const srcEmptySsgManifest = `self.__SSG_MANIFEST=new Set;self.__SSG_MANIFEST_CB&&self.__SSG_MANIFEST_CB()`
-
-        const ssgManifestPath = `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_ssgManifest.js`
-        assetMap.lowPriorityFiles.push(ssgManifestPath)
-        compilation.assets[ssgManifestPath] = new RawSource(srcEmptySsgManifest)
-
-        if (this.modern) {
-          const ssgManifestPathModern = `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_ssgManifest.module.js`
-          assetMap.lowPriorityFiles.push(ssgManifestPathModern)
-          compilation.assets[ssgManifestPathModern] = new RawSource(
-            srcEmptySsgManifest
-          )
-        }
+      assetMap.pages[pagePath] = [...mainJsFiles, ...filesForEntry]
+    }
 
-        assetMap.pages = Object.keys(assetMap.pages)
-          .sort()
-          // eslint-disable-next-line
-          .reduce((a, c) => ((a[c] = assetMap.pages[c]), a), {} as any)
+    // Add the runtime build manifest file (generated later in this file)
+    // as a dependency for the app. If the flag is false, the file won't be
+    // downloaded by the client.
+    assetMap.lowPriorityFiles.push(
+      `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_buildManifest.js`
+    )
+    if (this.modern) {
+      assetMap.lowPriorityFiles.push(
+        `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_buildManifest.module.js`
+      )
+    }
 
-        compilation.assets[BUILD_MANIFEST] = new RawSource(
-          JSON.stringify(assetMap, null, 2)
-        )
+    // Add the runtime ssg manifest file as a lazy-loaded file dependency.
+    // We also stub this file out for development mode (when it is not
+    // generated).
+    const srcEmptySsgManifest = `self.__SSG_MANIFEST=new Set;self.__SSG_MANIFEST_CB&&self.__SSG_MANIFEST_CB()`
 
-        const clientManifestPath = `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_buildManifest.js`
+    const ssgManifestPath = `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_ssgManifest.js`
+    assetMap.lowPriorityFiles.push(ssgManifestPath)
+    assets[ssgManifestPath] = new RawSource(srcEmptySsgManifest)
 
-        compilation.assets[clientManifestPath] = new RawSource(
-          `self.__BUILD_MANIFEST = ${generateClientManifest(
-            assetMap,
-            false
-          )};self.__BUILD_MANIFEST_CB && self.__BUILD_MANIFEST_CB()`
-        )
+    if (this.modern) {
+      const ssgManifestPathModern = `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_ssgManifest.module.js`
+      assetMap.lowPriorityFiles.push(ssgManifestPathModern)
+      assets[ssgManifestPathModern] = new RawSource(srcEmptySsgManifest)
+    }
 
-        if (this.modern) {
-          const modernClientManifestPath = `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_buildManifest.module.js`
+    assetMap.pages = Object.keys(assetMap.pages)
+      .sort()
+      // eslint-disable-next-line
+      .reduce((a, c) => ((a[c] = assetMap.pages[c]), a), {} as any)
 
-          compilation.assets[modernClientManifestPath] = new RawSource(
-            `self.__BUILD_MANIFEST = ${generateClientManifest(
-              assetMap,
-              true
-            )};self.__BUILD_MANIFEST_CB && self.__BUILD_MANIFEST_CB()`
-          )
-        }
-        callback()
-      }
+    assets[BUILD_MANIFEST] = new RawSource(JSON.stringify(assetMap, null, 2))
+
+    const clientManifestPath = `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_buildManifest.js`
+
+    assets[clientManifestPath] = new RawSource(
+      `self.__BUILD_MANIFEST = ${generateClientManifest(
+        assetMap,
+        false
+      )};self.__BUILD_MANIFEST_CB && self.__BUILD_MANIFEST_CB()`
     )
+
+    if (this.modern) {
+      const modernClientManifestPath = `${CLIENT_STATIC_FILES_PATH}/${this.buildId}/_buildManifest.module.js`
+
+      assets[modernClientManifestPath] = new RawSource(
+        `self.__BUILD_MANIFEST = ${generateClientManifest(
+          assetMap,
+          true
+        )};self.__BUILD_MANIFEST_CB && self.__BUILD_MANIFEST_CB()`
+      )
+    }
+
+    return assets
+  }
+
+  apply(compiler: Compiler) {
+    if (isWebpack5) {
+      compiler.hooks.make.tap('NextJsBuildManifest', (compilation) => {
+        // @ts-ignore TODO: Remove ignore when webpack 5 is stable
+        compilation.hooks.processAssets.tap(
+          {
+            name: 'NextJsBuildManifest',
+            // @ts-ignore TODO: Remove ignore when webpack 5 is stable
+            stage: webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS,
+          },
+          (assets: any) => {
+            this.createAssets(compilation, assets)
+          }
+        )
+      })
+      return
+    }
+
+    compiler.hooks.emit.tap('NextJsBuildManifest', (compilation: any) => {
+      this.createAssets(compilation, compilation.assets)
+    })
   }
 }
diff --git a/packages/next/build/webpack/plugins/pages-manifest-plugin.ts b/packages/next/build/webpack/plugins/pages-manifest-plugin.ts
index 53fffe7b1fee1..94557901c74ba 100644
--- a/packages/next/build/webpack/plugins/pages-manifest-plugin.ts
+++ b/packages/next/build/webpack/plugins/pages-manifest-plugin.ts
@@ -1,10 +1,12 @@
-import { Compiler, Plugin } from 'webpack'
+import webpack, { Compiler, Plugin } from 'webpack'
 import { RawSource } from 'webpack-sources'
 import { PAGES_MANIFEST } from '../../../next-server/lib/constants'
 import getRouteFromEntrypoint from '../../../next-server/server/get-route-from-entrypoint'
 
 export type PagesManifest = { [page: string]: string }
 
+const isWebpack5 = parseInt(webpack.version!) === 5
+
 // This plugin creates a pages-manifest.json from page entrypoints.
 // This is used for mapping paths like `/` to `.next/server/static/<buildid>/pages/index.js` when doing SSR
 // It's also used by next export to provide defaultPathMap
@@ -15,43 +17,59 @@ export default class PagesManifestPlugin implements Plugin {
     this.serverless = serverless
   }
 
-  apply(compiler: Compiler): void {
-    compiler.hooks.emit.tap('NextJsPagesManifest', (compilation) => {
-      const entrypoints = compilation.entrypoints
-      const pages: PagesManifest = {}
-
-      for (const entrypoint of entrypoints.values()) {
-        const pagePath = getRouteFromEntrypoint(
-          entrypoint.name,
-          this.serverless
+  createAssets(compilation: any, assets: any) {
+    const entrypoints = compilation.entrypoints
+    const pages: PagesManifest = {}
+
+    for (const entrypoint of entrypoints.values()) {
+      const pagePath = getRouteFromEntrypoint(entrypoint.name, this.serverless)
+
+      if (!pagePath) {
+        continue
+      }
+
+      const files = entrypoint
+        .getFiles()
+        .filter(
+          (file: string) =>
+            !file.includes('webpack-runtime') && file.endsWith('.js')
         )
 
-        if (!pagePath) {
-          continue
-        }
-
-        const files = entrypoint
-          .getFiles()
-          .filter(
-            (file: string) =>
-              !file.includes('webpack-runtime') && file.endsWith('.js')
-          )
-
-        if (files.length > 1) {
-          console.log(
-            `Found more than one file in server entrypoint ${entrypoint.name}`,
-            files
-          )
-          continue
-        }
-
-        // Write filename, replace any backslashes in path (on windows) with forwardslashes for cross-platform consistency.
-        pages[pagePath] = files[0].replace(/\\/g, '/')
+      if (files.length > 1) {
+        console.log(
+          `Found more than one file in server entrypoint ${entrypoint.name}`,
+          files
+        )
+        continue
       }
 
-      compilation.assets[PAGES_MANIFEST] = new RawSource(
-        JSON.stringify(pages, null, 2)
-      )
+      // Write filename, replace any backslashes in path (on windows) with forwardslashes for cross-platform consistency.
+      pages[pagePath] = files[0].replace(/\\/g, '/')
+    }
+
+    assets[PAGES_MANIFEST] = new RawSource(JSON.stringify(pages, null, 2))
+  }
+
+  apply(compiler: Compiler): void {
+    if (isWebpack5) {
+      compiler.hooks.make.tap('NextJsPagesManifest', (compilation) => {
+        // @ts-ignore TODO: Remove ignore when webpack 5 is stable
+        compilation.hooks.processAssets.tap(
+          {
+            name: 'NextJsPagesManifest',
+            // @ts-ignore TODO: Remove ignore when webpack 5 is stable
+            stage: webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS,
+          },
+          (assets: any) => {
+            this.createAssets(compilation, assets)
+          }
+        )
+      })
+      return
+    }
+
+    compiler.hooks.emit.tap('NextJsPagesManifest', (compilation: any) => {
+      this.createAssets(compilation, compilation.assets)
     })
   }
 }
diff --git a/packages/next/build/webpack/plugins/react-loadable-plugin.ts b/packages/next/build/webpack/plugins/react-loadable-plugin.ts
index afd16f1fe63d3..d39f78a943ed2 100644
--- a/packages/next/build/webpack/plugins/react-loadable-plugin.ts
+++ b/packages/next/build/webpack/plugins/react-loadable-plugin.ts
@@ -21,12 +21,30 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWAR
 // Implementation of this PR: https://github.com/jamiebuilds/react-loadable/pull/132
 // Modified to strip out unneeded results for Next's specific use case
 
-import {
+import webpack, {
   Compiler,
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
   compilation as CompilationType,
 } from 'webpack'
 
+const isWebpack5 = parseInt(webpack.version!) === 5
+
+function getModulesIterable(compilation: any, chunk: any) {
+  if (isWebpack5) {
+    return compilation.chunkGraph.getChunkModulesIterable(chunk)
+  }
+
+  return chunk.modulesIterable
+}
+
+function getModuleId(compilation: any, module: any) {
+  if (isWebpack5) {
+    return compilation.chunkGraph.getModuleId(module)
+  }
+
+  return module.id
+}
+
 function buildManifest(
   _compiler: Compiler,
   compilation: CompilationType.Compilation
@@ -47,8 +65,8 @@ function buildManifest(
             return
           }
 
-          for (const module of chunk.modulesIterable) {
-            let id = module.id
+          for (const module of getModulesIterable(compilation, chunk)) {
+            let id = getModuleId(compilation, module)
 
             if (!manifest[request]) {
               manifest[request] = []
@@ -88,22 +106,40 @@ export class ReactLoadablePlugin {
     this.filename = opts.filename
   }
 
+  createAssets(compiler: any, compilation: any, assets: any) {
+    const manifest = buildManifest(compiler, compilation)
+    var json = JSON.stringify(manifest, null, 2)
+    assets[this.filename] = {
+      source() {
+        return json
+      },
+      size() {
+        return json.length
+      },
+    }
+    return assets
+  }
+
   apply(compiler: Compiler) {
-    compiler.hooks.emit.tapAsync(
-      'ReactLoadableManifest',
-      (compilation, callback) => {
-        const manifest = buildManifest(compiler, compilation)
-        var json = JSON.stringify(manifest, null, 2)
-        compilation.assets[this.filename] = {
-          source() {
-            return json
-          },
-          size() {
-            return json.length
+    if (isWebpack5) {
+      compiler.hooks.make.tap('ReactLoadableManifest', (compilation) => {
+        // @ts-ignore TODO: Remove ignore when webpack 5 is stable
+        compilation.hooks.processAssets.tap(
+          {
+            name: 'ReactLoadableManifest',
+            // @ts-ignore TODO: Remove ignore when webpack 5 is stable
+            stage: webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS,
           },
-        }
-        callback()
-      }
-    )
+          (assets: any) => {
+            this.createAssets(compiler, compilation, assets)
+          }
+        )
+      })
+      return
+    }
+
+    compiler.hooks.emit.tap('ReactLoadableManifest', (compilation: any) => {
+      this.createAssets(compiler, compilation, compilation.assets)
+    })
   }
 }
diff --git a/packages/next/build/webpack/plugins/serverless-plugin.ts b/packages/next/build/webpack/plugins/serverless-plugin.ts
index 92035a77c8e6d..b8599ba772b91 100644
--- a/packages/next/build/webpack/plugins/serverless-plugin.ts
+++ b/packages/next/build/webpack/plugins/serverless-plugin.ts
@@ -29,13 +29,18 @@ export class ServerlessPlugin {
           // Async chunks are usages of import() for example
           const dynamicChunks = chunk.getAllAsyncChunks()
           for (const dynamicChunk of dynamicChunks) {
-            for (const module of dynamicChunk.modulesIterable) {
-              if (isWebpack5) {
+            if (isWebpack5) {
+              // @ts-ignore TODO: Remove ignore when webpack 5 is stable
+              for (const module of compilation.chunkGraph.getChunkModulesIterable(
+                chunk
+              )) {
                 // Add module back into the entry chunk
                 chunk.addModule(module)
-                continue
               }
+              continue
+            }
 
+            for (const module of dynamicChunk.modulesIterable) {
               // Webpack 4 has separate GraphHelpers
               GraphHelpers.connectChunkAndModule(chunk, module)
             }
diff --git a/packages/next/server/hot-reloader.ts b/packages/next/server/hot-reloader.ts
index c6107375b1926..5c7d8d7b37859 100644
--- a/packages/next/server/hot-reloader.ts
+++ b/packages/next/server/hot-reloader.ts
@@ -368,9 +368,7 @@ export default class HotReloader {
 
         // We only watch `_document` for changes on the server compilation
         // the rest of the files will be triggered by the client compilation
-        const documentChunk = compilation.chunks.find(
-          (c) => c.name === `pages/_document`
-        )
+        const documentChunk = compilation.namedChunks.get('pages/_document')
         // If the document chunk can't be found we do nothing
         if (!documentChunk) {
           console.warn('_document.js chunk not found')
@@ -409,9 +407,9 @@ export default class HotReloader {
 
         const { compilation } = stats
         const chunkNames = new Set(
-          compilation.chunks
-            .map((c) => c.name)
-            .filter((name) => !!getRouteFromEntrypoint(name))
+          [...compilation.namedChunks.keys()].filter(
+            (name) => !!getRouteFromEntrypoint(name)
+          )
         )
 
         if (this.prevChunkNames) {

From 60f1d58c837ac604ce8fa475bf592457119f82cc Mon Sep 17 00:00:00 2001
From: Tim Neutkens <tim@timneutkens.nl>
Date: Mon, 3 Aug 2020 14:57:17 +0200
Subject: [PATCH 89/90] Fix some webpack 5 deprecation warnings (#15797)

- Use latest terser version (still 1 warning in the stable version which is an open PR)
- Add emitOnErrors instead of noEmitOnErrors
- Added trace-deprecations for Next.js core development
---
 package.json                                  |   2 +-
 packages/next/build/webpack-config.ts         |   3 +-
 .../compiled/terser-webpack-plugin/cjs.js     |   2 +-
 .../{worker.js => minify.js}                  |  16 +-
 packages/next/package.json                    |   4 +-
 packages/next/taskfile-ncc.js                 |   4 +-
 yarn.lock                                     | 175 ++++++++++++++----
 7 files changed, 151 insertions(+), 55 deletions(-)
 rename packages/next/compiled/terser-webpack-plugin/{worker.js => minify.js} (96%)

diff --git a/package.json b/package.json
index ebc26531786f3..8f8e504e3c95b 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "publish-canary": "lerna version prerelease --preid canary --force-publish && release --pre --skip-questions",
     "publish-stable": "lerna version --force-publish",
     "lint-staged": "lint-staged",
-    "next": "node packages/next/dist/bin/next",
+    "next": "node --trace-deprecation packages/next/dist/bin/next",
     "debug": "node --inspect packages/next/dist/bin/next"
   },
   "pre-commit": "lint-staged",
diff --git a/packages/next/build/webpack-config.ts b/packages/next/build/webpack-config.ts
index bdc254196cf69..aa1e429c2467b 100644
--- a/packages/next/build/webpack-config.ts
+++ b/packages/next/build/webpack-config.ts
@@ -662,7 +662,8 @@ export default async function getBaseWebpackConfig(
           '@ampproject/toolbox-optimizer', // except this one
         ],
     optimization: {
-      noEmitOnErrors: dev,
+      // Webpack 5 uses a new property for the same functionality
+      ...(isWebpack5 ? { emitOnErrors: !dev } : { noEmitOnErrors: dev }),
       checkWasmTypes: false,
       nodeEnv: false,
       splitChunks: isServer ? false : splitChunksConfig,
diff --git a/packages/next/compiled/terser-webpack-plugin/cjs.js b/packages/next/compiled/terser-webpack-plugin/cjs.js
index d5b36c381641c..dd73011cfd49a 100644
--- a/packages/next/compiled/terser-webpack-plugin/cjs.js
+++ b/packages/next/compiled/terser-webpack-plugin/cjs.js
@@ -1 +1 @@
-module.exports=function(e,t){"use strict";var r={};function __webpack_require__(t){if(r[t]){return r[t].exports}var n=r[t]={i:t,l:false,exports:{}};e[t].call(n.exports,n,n.exports,__webpack_require__);n.l=true;return n.exports}__webpack_require__.ab=__dirname+"/";function startup(){return __webpack_require__(596)}t(__webpack_require__);return startup()}({67:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:true});t.default=void 0;var n=_interopRequireDefault(r(622));var i=r(241);var s=r(745);var o=_interopRequireDefault(r(432));var a=r(78);var u=_interopRequireDefault(r(134));var c=_interopRequireDefault(r(946));var l=_interopRequireDefault(r(352));var f=_interopRequireDefault(r(916));var p=_interopRequireDefault(r(838));function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}const d=/\[.+:([0-9]+),([0-9]+)\]/;class TerserPlugin{constructor(e={}){(0,u.default)(f.default,e,{name:"Terser Plugin",baseDataPath:"options"});const{minify:t,terserOptions:r={},test:n=/\.m?js(\?.*)?$/i,chunkFilter:i=(()=>true),warningsFilter:s=(()=>true),extractComments:o=true,sourceMap:a,cache:c=true,cacheKeys:l=(e=>e),parallel:p=true,include:d,exclude:m}=e;this.options={test:n,chunkFilter:i,warningsFilter:s,extractComments:o,sourceMap:a,cache:c,cacheKeys:l,parallel:p,include:d,exclude:m,minify:t,terserOptions:r}}static isSourceMap(e){return Boolean(e&&e.version&&e.sources&&Array.isArray(e.sources)&&typeof e.mappings==="string")}static buildSourceMap(e){if(!e||!TerserPlugin.isSourceMap(e)){return null}return new i.SourceMapConsumer(e)}static buildError(e,t,r,n){if(e.line){const i=r&&r.originalPositionFor({line:e.line,column:e.col});if(i&&i.source&&n){return new Error(`${t} from Terser\n${e.message} [${n.shorten(i.source)}:${i.line},${i.column}][${t}:${e.line},${e.col}]${e.stack?`\n${e.stack.split("\n").slice(1).join("\n")}`:""}`)}return new Error(`${t} from Terser\n${e.message} [${t}:${e.line},${e.col}]${e.stack?`\n${e.stack.split("\n").slice(1).join("\n")}`:""}`)}if(e.stack){return new Error(`${t} from Terser\n${e.stack}`)}return new Error(`${t} from Terser\n${e.message}`)}static buildWarning(e,t,r,n,i){let s=e;let o="";let a=null;if(r){const i=d.exec(e);if(i){const e=+i[1];const u=+i[2];const c=r.originalPositionFor({line:e,column:u});if(c&&c.source&&c.source!==t&&n){({source:a}=c);s=`${s.replace(d,"")}`;o=`[${n.shorten(c.source)}:${c.line},${c.column}]`}}}if(i&&!i(e,a,t)){return null}return`Terser Plugin: ${s}${o}`}static removeQueryString(e){let t=e;const r=t.indexOf("?");if(r>=0){t=t.substr(0,r)}return t}static hasAsset(e,t){const r=Object.keys(t).map(e=>TerserPlugin.removeQueryString(e));return r.includes(TerserPlugin.removeQueryString(e))}static isWebpack4(){return a.version[0]==="4"}*taskGenerator(e,t,i,u){let c;const f=t.assets[u];try{let p;if(this.options.sourceMap&&f.sourceAndMap){const{source:e,map:r}=f.sourceAndMap();p=e;if(TerserPlugin.isSourceMap(r)){c=r}else{c=r;t.warnings.push(new Error(`${u} contains invalid source map`))}}else{p=f.source();c=null}let d=false;if(this.options.extractComments){d=this.options.extractComments.filename||"[file].LICENSE.txt[query]";if(TerserPlugin.isWebpack4()){if(typeof d==="function"){d=d.bind(null,u)}}let e="";let r=u;const n=r.indexOf("?");if(n>=0){e=r.substr(n);r=r.substr(0,n)}const i=r.lastIndexOf("/");const s=i===-1?r:r.substr(i+1);const o={filename:r,basename:s,query:e};d=t.getPath(d,o)}if(d&&TerserPlugin.hasAsset(d,t.assets)){t.warnings.push(new Error(`The comment file "${TerserPlugin.removeQueryString(d)}" conflicts with an existing asset, this may lead to code corruption, please use a different name`))}const m=r=>{let{code:a}=r;const{error:l,map:f,warnings:m}=r;const{extractedComments:h}=r;let 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i=({ecma:e,warnings:t,parse:r={},compress:n={},mangle:i,module:s,output:o,toplevel:a,nameCache:c,ie8:u,keep_classnames:l,keep_fnames:f,safari10:p}={})=>({parse:{...r},compress:typeof n==="boolean"?n:{...n},mangle:i==null?true:typeof i==="boolean"?i:{...i},output:{beautify:false,...o},sourceMap:null,ecma:e,keep_classnames:l,keep_fnames:f,ie8:u,module:s,nameCache:c,safari10:p,toplevel:a,warnings:t});function isObject(e){const t=typeof e;return e!=null&&(t==="object"||t==="function")}const s=(e,t,r)=>{const n={};const i=t.output.comments;const{extractComments:s}=e;n.preserve=typeof i!=="undefined"?i:false;if(typeof s==="boolean"&&s){n.extract="some"}else if(typeof s==="string"||s instanceof RegExp){n.extract=s}else if(typeof s==="function"){n.extract=s}else if(isObject(s)){n.extract=typeof s.condition==="boolean"&&s.condition?"some":typeof s.condition!=="undefined"?s.condition:"some"}else{n.preserve=typeof i!=="undefined"?i:"some";n.extract=false}["preserve","extract"].forEach(e=>{let t;let r;switch(typeof n[e]){case"boolean":n[e]=n[e]?()=>true:()=>false;break;case"function":break;case"string":if(n[e]==="all"){n[e]=(()=>true);break}if(n[e]==="some"){n[e]=((e,t)=>{return(t.type==="comment2"||t.type==="comment1")&&/@preserve|@lic|@cc_on|^\**!/i.test(t.value)});break}t=n[e];n[e]=((e,r)=>{return new RegExp(t).test(r.value)});break;default:r=n[e];n[e]=((e,t)=>r.test(t.value))}});return(e,t)=>{if(n.extract(e,t)){const e=t.type==="comment2"?`/*${t.value}*/`:`//${t.value}`;if(!r.includes(e)){r.push(e)}}return n.preserve(e,t)}};const o=e=>{const{file:t,input:r,inputSourceMap:o,minify:a}=e;if(a){return a({[t]:r},o)}const c=i(e.terserOptions);if(o){c.sourceMap={asObject:true}}const u=[];c.output.comments=s(e,c,u);const{error:l,map:f,code:p,warnings:d}=n({[t]:r},c);return{error:l,map:f,code:p,warnings:d,extractedComments:u}};function transform(r){r=new Function("exports","require","module","__filename","__dirname",`'use strict'\nreturn ${r}`)(t,require,e,__filename,__dirname);const n=o(r);if(n.error){throw n.error}else{return n}}e.exports.minify=o;e.exports.transform=transform},733:function(e){e.exports=require("jest-worker")},745:function(e){e.exports=require("webpack-sources")},775:function(e){e.exports=require("next/dist/compiled/terser")},793:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:true});t.default=void 0;var n=_interopRequireDefault(r(575));var i=_interopRequireDefault(r(946));var s=r(78);function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}class Cache{constructor(e,t){this.compilation=e}isEnabled(){return Boolean(this.compilation.cache)}createCacheIdent(e){const{outputOptions:{hashSalt:t,hashDigest:r,hashDigestLength:n,hashFunction:o}}=this.compilation;const a=s.util.createHash(o);if(t){a.update(t)}a.update((0,i.default)(e.cacheKeys));const c=a.digest(r);const u=c.substr(0,n);return`${this.compilation.compilerPath}/TerserWebpackPlugin/${u}/${e.file}`}get(e){e.cacheIdent=e.cacheIdent||this.createCacheIdent(e);e.cacheETag=e.cacheETag||(0,n.default)(e.assetSource);return new Promise((t,r)=>{this.compilation.cache.get(e.cacheIdent,e.cacheETag,(e,n)=>{if(e){r(e)}else if(n){t(n)}else{r()}})})}store(e,t){return new Promise((r,n)=>{this.compilation.cache.store(e.cacheIdent,e.cacheETag,t,e=>{if(e){n(e)}else{r(t)}})})}}t.default=Cache},825:function(e){e.exports={definitions:{Rule:{description:"Filtering rule as regex or string.",anyOf:[{instanceof:"RegExp",tsType:"RegExp"},{type:"string",minLength:1}]},Rules:{description:"Filtering rules.",anyOf:[{type:"array",items:{description:"A rule condition.",oneOf:[{$ref:"#/definitions/Rule"}]}},{$ref:"#/definitions/Rule"}]}},title:"TerserPluginOptions",type:"object",additionalProperties:false,properties:{test:{description:"Include all modules that pass test assertion.",oneOf:[{$ref:"#/definitions/Rules"}]},include:{description:"Include all modules matching any of these conditions.",oneOf:[{$ref:"#/definitions/Rules"}]},exclude:{description:"Exclude all modules matching any of these conditions.",oneOf:[{$ref:"#/definitions/Rules"}]},cache:{description:"Enable file caching. Ignored in webpack 5, for webpack 5 please use https://webpack.js.org/configuration/other-options/#cache.",anyOf:[{type:"boolean"},{type:"string"}]},cacheKeys:{description:"Allows you to override default cache keys. Ignored in webpack 5, for webpack 5 please use https://webpack.js.org/configuration/other-options/#cache.",instanceof:"Function"},parallel:{description:"Use multi-process parallel running to improve the build speed.",anyOf:[{type:"boolean"},{type:"integer"}]},sourceMap:{description:"Enables/Disables generation of source maps.",type:"boolean"},minify:{description:"Allows you to override default minify function.",instanceof:"Function"},terserOptions:{description:"Options for `terser`.",additionalProperties:true,type:"object"},extractComments:{description:"Whether comments shall be extracted to a separate file.",anyOf:[{type:"boolean"},{type:"string"},{instanceof:"RegExp"},{instanceof:"Function"},{additionalProperties:false,properties:{condition:{anyOf:[{type:"boolean"},{type:"string"},{instanceof:"RegExp"},{instanceof:"Function"}]},filename:{anyOf:[{type:"string"},{instanceof:"Function"}]},banner:{anyOf:[{type:"boolean"},{type:"string"},{instanceof:"Function"}]}},type:"object"}]},warningsFilter:{description:"Allow to filter `terser` warnings.",instanceof:"Function"}}}},898:function(e,t,r){e.exports=r(417).randomBytes},946:function(e,t,r){"use strict";var n=r(898);var i=16;var s=generateUID();var o=new RegExp('(\\\\)?"@__(F|R|D|M|S|U|I|B)-'+s+'-(\\d+)__@"',"g");var a=/\{\s*\[native code\]\s*\}/g;var c=/function.*?\(/;var u=/.*?=>.*?/;var l=/[<>\/\u2028\u2029]/g;var f=["*","async"];var p={"<":"\\u003C",">":"\\u003E","/":"\\u002F","\u2028":"\\u2028","\u2029":"\\u2029"};function escapeUnsafeChars(e){return p[e]}function generateUID(){var e=n(i);var t="";for(var r=0;r<i;++r){t+=e[r].toString(16)}return t}function deleteFunctions(e){var t=[];for(var r in e){if(typeof e[r]==="function"){t.push(r)}}for(var n=0;n<t.length;n++){delete e[t[n]]}}e.exports=function serialize(e,t){t||(t={});if(typeof t==="number"||typeof t==="string"){t={space:t}}var r=[];var n=[];var i=[];var p=[];var d=[];var m=[];var g=[];var b=[];function replacer(e,o){if(t.ignoreFunction){deleteFunctions(o)}if(!o&&o!==undefined){return o}var a=this[e];var c=typeof a;if(c==="object"){if(a instanceof RegExp){return"@__R-"+s+"-"+(n.push(a)-1)+"__@"}if(a instanceof Date){return"@__D-"+s+"-"+(i.push(a)-1)+"__@"}if(a instanceof Map){return"@__M-"+s+"-"+(p.push(a)-1)+"__@"}if(a instanceof Set){return"@__S-"+s+"-"+(d.push(a)-1)+"__@"}}if(c==="function"){return"@__F-"+s+"-"+(r.push(a)-1)+"__@"}if(c==="undefined"){return"@__U-"+s+"-"+(m.push(a)-1)+"__@"}if(c==="number"&&!isNaN(a)&&!isFinite(a)){return"@__I-"+s+"-"+(g.push(a)-1)+"__@"}if(c==="bigint"){return"@__B-"+s+"-"+(b.push(a)-1)+"__@"}return o}function serializeFunc(e){var t=e.toString();if(a.test(t)){throw new TypeError("Serializing native function: "+e.name)}if(c.test(t)){return t}if(u.test(t)){return t}var r=t.indexOf("(");var n=t.substr(0,r).trim().split(" ").filter(function(e){return e.length>0});var i=n.filter(function(e){return f.indexOf(e)===-1});if(i.length>0){return(n.indexOf("async")>-1?"async ":"")+"function"+(n.join("").indexOf("*")>-1?"*":"")+t.substr(r)}return t}if(t.ignoreFunction&&typeof e==="function"){e=undefined}if(e===undefined){return String(e)}var h;if(t.isJSON&&!t.space){h=JSON.stringify(e)}else{h=JSON.stringify(e,t.isJSON?null:replacer,t.space)}if(typeof h!=="string"){return String(h)}if(t.unsafe!==true){h=h.replace(l,escapeUnsafeChars)}if(r.length===0&&n.length===0&&i.length===0&&p.length===0&&d.length===0&&m.length===0&&g.length===0&&b.length===0){return h}return h.replace(o,function(e,s,o,a){if(s){return e}if(o==="D"){return'new Date("'+i[a].toISOString()+'")'}if(o==="R"){return"new RegExp("+serialize(n[a].source)+', "'+n[a].flags+'")'}if(o==="M"){return"new Map("+serialize(Array.from(p[a].entries()),t)+")"}if(o==="S"){return"new Set("+serialize(Array.from(d[a].values()),t)+")"}if(o==="U"){return"undefined"}if(o==="I"){return g[a]}if(o==="B"){return'BigInt("'+b[a]+'")'}var c=r[a];return serializeFunc(c)})}}},function(e){"use strict";!function(){e.nmd=function(e){e.paths=[];if(!e.children)e.children=[];Object.defineProperty(e,"loaded",{enumerable:true,get:function(){return e.l}});Object.defineProperty(e,"id",{enumerable:true,get:function(){return e.i}});return e}}()});
\ No newline at end of file
diff --git a/packages/next/compiled/terser-webpack-plugin/worker.js b/packages/next/compiled/terser-webpack-plugin/minify.js
similarity index 96%
rename from packages/next/compiled/terser-webpack-plugin/worker.js
rename to packages/next/compiled/terser-webpack-plugin/minify.js
index 923b129f8e6db..b70a9392c080a 100644
--- a/packages/next/compiled/terser-webpack-plugin/worker.js
+++ b/packages/next/compiled/terser-webpack-plugin/minify.js
@@ -23,8 +23,6 @@ const buildTerserOptions = ({
   /* eslint-enable camelcase */
   safari10
 } = {}) => ({
-  ecma,
-  warnings,
   parse: { ...parse
   },
   compress: typeof compress === 'boolean' ? compress : { ...compress
@@ -36,15 +34,17 @@ const buildTerserOptions = ({
     beautify: false,
     ...output
   },
-  module,
   // Ignoring sourceMap from options
   sourceMap: null,
-  toplevel,
-  nameCache,
-  ie8,
+  ecma,
   keep_classnames,
   keep_fnames,
-  safari10
+  ie8,
+  module,
+  nameCache,
+  safari10,
+  toplevel,
+  warnings
 });
 
 function isObject(value) {
@@ -97,7 +97,7 @@ const buildComments = (options, terserOptions, extractedComments) => {
 
         if (condition[key] === 'some') {
           condition[key] = (astNode, comment) => {
-            return comment.type === 'comment2' && /@preserve|@lic|@cc_on|^\**!/i.test(comment.value);
+            return (comment.type === 'comment2' || comment.type === 'comment1') && /@preserve|@lic|@cc_on|^\**!/i.test(comment.value);
           };
 
           break;
diff --git a/packages/next/package.json b/packages/next/package.json
index 0d86672ede7ac..b52f546ea8c45 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -111,7 +111,7 @@
     "use-subscription": "1.4.1",
     "watchpack": "2.0.0-beta.13",
     "web-vitals": "0.2.1",
-    "webpack": "4.44.0",
+    "webpack": "4.44.1",
     "webpack-sources": "1.4.3"
   },
   "peerDependencies": {
@@ -205,7 +205,7 @@
     "strip-ansi": "6.0.0",
     "taskr": "1.1.0",
     "terser": "4.4.2",
-    "terser-webpack-plugin": "gist:1b826e8b64f73158df99990d1b4624fa",
+    "terser-webpack-plugin": "3.0.8",
     "text-table": "0.2.0",
     "thread-loader": "2.1.3",
     "typescript": "3.8.3",
diff --git a/packages/next/taskfile-ncc.js b/packages/next/taskfile-ncc.js
index d67aa387e9e9b..08a2ae5e121a7 100644
--- a/packages/next/taskfile-ncc.js
+++ b/packages/next/taskfile-ncc.js
@@ -18,7 +18,9 @@ module.exports = function (task) {
       Object.keys(assets).forEach((key) => {
         let data = assets[key].source
 
-        if (join(file.dir, key).endsWith('terser-webpack-plugin/worker.js')) {
+        if (
+          join(file.dir, key).endsWith('terser-webpack-plugin/dist/minify.js')
+        ) {
           data = Buffer.from(
             data
               .toString()
diff --git a/yarn.lock b/yarn.lock
index 39eb5c9375cc7..e7c25019326aa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2275,6 +2275,13 @@
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.stat/-/fs.stat-1.1.3.tgz#2b5a3ab3f918cca48a8c754c08168e3f03eba61b"
 
+"@npmcli/move-file@^1.0.1":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@npmcli/move-file/-/move-file-1.0.1.tgz#de103070dac0f48ce49cf6693c23af59c0f70464"
+  integrity sha512-Uv6h1sT+0DrblvIrolFtbvM1FgWm+/sy4B3pvLp67Zys+thcukzS5ekn7HsZFGpWP4Q3fYJCljbWQE/XivMRLw==
+  dependencies:
+    mkdirp "^1.0.4"
+
 "@octokit/endpoint@^5.5.0":
   version "5.5.1"
   resolved "https://registry.yarnpkg.com/@octokit/endpoint/-/endpoint-5.5.1.tgz#2eea81e110ca754ff2de11c79154ccab4ae16b3f"
@@ -4197,7 +4204,7 @@ bytes@3.1.0, bytes@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
 
-cacache@13.0.1, cacache@^13.0.1:
+cacache@13.0.1:
   version "13.0.1"
   resolved "https://registry.yarnpkg.com/cacache/-/cacache-13.0.1.tgz#a8000c21697089082f85287a1aec6e382024a71c"
   dependencies:
@@ -4259,6 +4266,29 @@ cacache@^12.0.0, cacache@^12.0.2:
     unique-filename "^1.1.1"
     y18n "^4.0.0"
 
+cacache@^15.0.5:
+  version "15.0.5"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-15.0.5.tgz#69162833da29170d6732334643c60e005f5f17d0"
+  integrity sha512-lloiL22n7sOjEEXdL8NAjTgv9a1u43xICE9/203qonkZUCj5X1UEWIdf2/Y0d6QcCtMzbKQyhrcDbdvlZTs/+A==
+  dependencies:
+    "@npmcli/move-file" "^1.0.1"
+    chownr "^2.0.0"
+    fs-minipass "^2.0.0"
+    glob "^7.1.4"
+    infer-owner "^1.0.4"
+    lru-cache "^6.0.0"
+    minipass "^3.1.1"
+    minipass-collect "^1.0.2"
+    minipass-flush "^1.0.5"
+    minipass-pipeline "^1.2.2"
+    mkdirp "^1.0.3"
+    p-map "^4.0.0"
+    promise-inflight "^1.0.1"
+    rimraf "^3.0.2"
+    ssri "^8.0.0"
+    tar "^6.0.2"
+    unique-filename "^1.1.1"
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -4600,6 +4630,11 @@ chownr@^1.1.1, chownr@^1.1.2:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.3.tgz#42d837d5239688d55f303003a508230fa6727142"
 
+chownr@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-2.0.0.tgz#15bfbe53d2eab4cf70f18a8cd68ebe5b3cb1dece"
+  integrity sha512-bIomtDF5KGpdogkLd9VspvFzk9KfpyyGlS8YFVZl7TGPBHL5snIOnxeshwVgPteQ9b4Eydl+pVbIyE1DcvCWgQ==
+
 chrome-trace-event@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/chrome-trace-event/-/chrome-trace-event-1.0.2.tgz#234090ee97c7d4ad1a2c4beae27505deffc608a4"
@@ -6949,7 +6984,7 @@ finally-polyfill@0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/finally-polyfill/-/finally-polyfill-0.1.0.tgz#2a17b16581d9477db16a703c7b79a898ac0b7d50"
 
-find-cache-dir@3.3.1, find-cache-dir@^3.0.0, find-cache-dir@^3.2.0:
+find-cache-dir@3.3.1, find-cache-dir@^3.0.0, find-cache-dir@^3.3.1:
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-3.3.1.tgz#89b33fad4a4670daa94f855f7fbe31d6d84fe880"
   dependencies:
@@ -9267,17 +9302,19 @@ jest-worker@^23.2.0:
   dependencies:
     merge-stream "^1.0.1"
 
-jest-worker@^25.1.0:
-  version "25.2.6"
-  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-25.2.6.tgz#d1292625326794ce187c38f51109faced3846c58"
+jest-worker@^26.0.0:
+  version "26.0.0"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-26.0.0.tgz#4920c7714f0a96c6412464718d0c58a3df3fb066"
   dependencies:
     merge-stream "^2.0.0"
     supports-color "^7.0.0"
 
-jest-worker@^26.0.0:
-  version "26.0.0"
-  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-26.0.0.tgz#4920c7714f0a96c6412464718d0c58a3df3fb066"
+jest-worker@^26.1.0:
+  version "26.2.1"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-26.2.1.tgz#5d630ab93f666b53f911615bc13e662b382bd513"
+  integrity sha512-+XcGMMJDTeEGncRb5M5Zq9P7K4sQ1sirhjdOxsN1462h6lFo9w59bl2LVQmdGEEeU3m+maZCkS2Tcc9SfCHO4A==
   dependencies:
+    "@types/node" "*"
     merge-stream "^2.0.0"
     supports-color "^7.0.0"
 
@@ -10038,6 +10075,13 @@ lru-cache@^4.0.1:
     pseudomap "^1.0.2"
     yallist "^2.1.2"
 
+lru-cache@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-6.0.0.tgz#6d6fe6570ebd96aaf90fcad1dafa3b2566db3a94"
+  integrity sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==
+  dependencies:
+    yallist "^4.0.0"
+
 lru_map@^0.3.3:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/lru_map/-/lru_map-0.3.3.tgz#b5c8351b9464cbd750335a79650a0ec0e56118dd"
@@ -10503,6 +10547,14 @@ minizlib@^1.2.1:
   dependencies:
     minipass "^2.9.0"
 
+minizlib@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-2.1.0.tgz#fd52c645301ef09a63a2c209697c294c6ce02cf3"
+  integrity sha512-EzTZN/fjSvifSX0SlqUERCN39o6T40AMarPbv0MrarSFtIITCBh7bi+dU8nxGFHuqs9jdIAeoYoKuQAAASsPPA==
+  dependencies:
+    minipass "^3.0.0"
+    yallist "^4.0.0"
+
 mississippi@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-3.0.0.tgz#ea0a3291f97e0b5e8776b363d5f0a12d94c67022"
@@ -10548,6 +10600,11 @@ mkdirp@0.5.3:
   dependencies:
     minimist "^1.2.5"
 
+mkdirp@^1.0.3, mkdirp@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
+  integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
+
 modify-values@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/modify-values/-/modify-values-1.0.1.tgz#b3939fa605546474e3e3e3c63d64bd43b4ee6022"
@@ -11316,12 +11373,19 @@ p-limit@^1.1.0:
   dependencies:
     p-try "^1.0.0"
 
-p-limit@^2.0.0, p-limit@^2.2.0, p-limit@^2.2.2:
+p-limit@^2.0.0, p-limit@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
   dependencies:
     p-try "^2.0.0"
 
+p-limit@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-3.0.2.tgz#1664e010af3cadc681baafd3e2a437be7b0fb5fe"
+  integrity sha512-iwqZSOoWIW+Ew4kAGUlN16J4M7OB3ysMLSZtnhmqx7njIHFPlxWBX8xo3lVTyFVq6mI/lL9qt2IsN1sHwaxJkg==
+  dependencies:
+    p-try "^2.0.0"
+
 p-locate@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-2.0.0.tgz#20a0103b222a70c8fd39cc2e580680f3dde5ec43"
@@ -11360,6 +11424,13 @@ p-map@^3.0.0:
   dependencies:
     aggregate-error "^3.0.0"
 
+p-map@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/p-map/-/p-map-4.0.0.tgz#bb2f95a5eda2ec168ec9274e06a747c3e2904d2b"
+  integrity sha512-/bjOqmgETBYB5BoEeGVea8dmvHb2m9GLy1E9W43yeyfP6QQCZGFNa+XRceJEuDB6zqr+gKpIAmlLebMpykw/MQ==
+  dependencies:
+    aggregate-error "^3.0.0"
+
 p-pipe@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/p-pipe/-/p-pipe-1.2.0.tgz#4b1a11399a11520a67790ee5a0c1d5881d6befe9"
@@ -13787,6 +13858,13 @@ rimraf@3.0.0:
   dependencies:
     glob "^7.1.3"
 
+rimraf@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-3.0.2.tgz#f1a5402ba6220ad52cc1282bac1ae3aa49fd061a"
+  integrity sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==
+  dependencies:
+    glob "^7.1.3"
+
 rimraf@~2.5.2:
   version "2.5.4"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.5.4.tgz#96800093cbf1a0c86bd95b4625467535c29dfa04"
@@ -14065,7 +14143,7 @@ scheduler@^0.18.0:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
 
-schema-utils@2.6.6, schema-utils@^2.0.0, schema-utils@^2.6.1, schema-utils@^2.6.4, schema-utils@^2.6.5, schema-utils@^2.6.6:
+schema-utils@2.6.6, schema-utils@^2.0.0, schema-utils@^2.6.1, schema-utils@^2.6.5, schema-utils@^2.6.6:
   version "2.6.6"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.6.tgz#299fe6bd4a3365dc23d99fd446caff8f1d6c330c"
   dependencies:
@@ -14181,10 +14259,6 @@ serialize-javascript@^1.5.0:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.9.1.tgz#cfc200aef77b600c47da9bb8149c943e798c2fdb"
 
-serialize-javascript@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-2.1.2.tgz#ecec53b0e0317bdc95ef76ab7074b7384785fa61"
-
 serialize-javascript@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-3.1.0.tgz#8bf3a9170712664ef2561b44b691eafe399214ea"
@@ -14192,6 +14266,13 @@ serialize-javascript@^3.1.0:
   dependencies:
     randombytes "^2.1.0"
 
+serialize-javascript@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-4.0.0.tgz#b525e1238489a5ecfc42afacc3fe99e666f4b1aa"
+  integrity sha512-GaNA54380uFefWghODBWEGisLZFj00nS5ACs6yHa9nLqlLpVLO8ChDGeKRjZnV4Nh4n0Qi7nhYZD/9fCPzEqkw==
+  dependencies:
+    randombytes "^2.1.0"
+
 serve-static@1.14.1:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.14.1.tgz#666e636dc4f010f7ef29970a88a674320898b2f9"
@@ -14552,6 +14633,13 @@ ssri@^7.0.0:
     figgy-pudding "^3.5.1"
     minipass "^3.1.1"
 
+ssri@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-8.0.0.tgz#79ca74e21f8ceaeddfcb4b90143c458b8d988808"
+  integrity sha512-aq/pz989nxVYwn16Tsbj1TqFpD5LLrQxHf5zaHuieFV+R0Bbr4y8qUsOA45hXT/N4/9UNXTarBjnjVmjSOVaAA==
+  dependencies:
+    minipass "^3.1.1"
+
 stable@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/stable/-/stable-0.1.8.tgz#836eb3c8382fe2936feaf544631017ce7d47a3cf"
@@ -15057,6 +15145,18 @@ tar@^4.4.10, tar@^4.4.8:
     safe-buffer "^5.1.2"
     yallist "^3.0.3"
 
+tar@^6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-6.0.2.tgz#5df17813468a6264ff14f766886c622b84ae2f39"
+  integrity sha512-Glo3jkRtPcvpDlAs/0+hozav78yoXKFr+c4wgw62NNMO3oo4AaJdCo21Uu7lcwr55h39W2XD1LMERc64wtbItg==
+  dependencies:
+    chownr "^2.0.0"
+    fs-minipass "^2.0.0"
+    minipass "^3.0.0"
+    minizlib "^2.1.0"
+    mkdirp "^1.0.3"
+    yallist "^4.0.0"
+
 taskr@1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/taskr/-/taskr-1.1.0.tgz#4f29d0ace26f4deae9a478eabf9aa0432e884438"
@@ -15089,6 +15189,21 @@ temp-write@^3.4.0:
     temp-dir "^1.0.0"
     uuid "^3.0.1"
 
+terser-webpack-plugin@3.0.8:
+  version "3.0.8"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-3.0.8.tgz#d1a53442a143e09e00c880e8d77c1e79cb05318b"
+  integrity sha512-ygwK8TYMRTYtSyLB2Mhnt90guQh989CIq/mL/2apwi6rA15Xys4ydNUiH4ah6EZCfQxSk26ZFQilZ4IQ6IZw6A==
+  dependencies:
+    cacache "^15.0.5"
+    find-cache-dir "^3.3.1"
+    jest-worker "^26.1.0"
+    p-limit "^3.0.2"
+    schema-utils "^2.6.6"
+    serialize-javascript "^4.0.0"
+    source-map "^0.6.1"
+    terser "^4.8.0"
+    webpack-sources "^1.4.3"
+
 terser-webpack-plugin@^1.4.3:
   version "1.4.4"
   resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.4.4.tgz#2c63544347324baafa9a56baaddf1634c8abfc2f"
@@ -15104,20 +15219,6 @@ terser-webpack-plugin@^1.4.3:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-"terser-webpack-plugin@gist:1b826e8b64f73158df99990d1b4624fa":
-  version "2.3.5"
-  resolved "https://gist.github.com/1b826e8b64f73158df99990d1b4624fa.git#37ef181f130335ac5c4fc3a129b1245788c755c4"
-  dependencies:
-    cacache "^13.0.1"
-    find-cache-dir "^3.2.0"
-    jest-worker "^25.1.0"
-    p-limit "^2.2.2"
-    schema-utils "^2.6.4"
-    serialize-javascript "^2.1.2"
-    source-map "^0.6.1"
-    terser "^4.4.3"
-    webpack-sources "^1.4.3"
-
 terser@4.4.2:
   version "4.4.2"
   resolved "https://registry.yarnpkg.com/terser/-/terser-4.4.2.tgz#448fffad0245f4c8a277ce89788b458bfd7706e8"
@@ -15126,7 +15227,7 @@ terser@4.4.2:
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
-terser@4.8.0, terser@^4.1.2:
+terser@4.8.0, terser@^4.1.2, terser@^4.8.0:
   version "4.8.0"
   resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.0.tgz#63056343d7c70bb29f3af665865a46fe03a0df17"
   integrity sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==
@@ -15143,14 +15244,6 @@ terser@^3.8.2:
     source-map "~0.6.1"
     source-map-support "~0.5.10"
 
-terser@^4.4.3:
-  version "4.6.11"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.11.tgz#12ff99fdd62a26de2a82f508515407eb6ccd8a9f"
-  dependencies:
-    commander "^2.20.0"
-    source-map "~0.6.1"
-    source-map-support "~0.5.12"
-
 test-exclude@^5.2.3:
   version "5.2.3"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-5.2.3.tgz#c3d3e1e311eb7ee405e092dac10aefd09091eac0"
@@ -15959,10 +16052,10 @@ webpack-sources@1.4.3, webpack-sources@^1.1.0, webpack-sources@^1.4.0, webpack-s
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@4.44.0:
-  version "4.44.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.44.0.tgz#3b08f88a89470175f036f4a9496b8a0428668802"
-  integrity sha512-wAuJxK123sqAw31SpkPiPW3iKHgFUiKvO7E7UZjtdExcsRe3fgav4mvoMM7vvpjLHVoJ6a0Mtp2fzkoA13e0Zw==
+webpack@4.44.1:
+  version "4.44.1"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.44.1.tgz#17e69fff9f321b8f117d1fda714edfc0b939cc21"
+  integrity sha512-4UOGAohv/VGUNQJstzEywwNxqX417FnjZgZJpJQegddzPmTvph37eBIRbRTfdySXzVtJXLJfbMN3mMYhM6GdmQ==
   dependencies:
     "@webassemblyjs/ast" "1.9.0"
     "@webassemblyjs/helper-module-context" "1.9.0"

From ea026151b2e0d09e82e620f277147e9767e05f5c Mon Sep 17 00:00:00 2001
From: Kim T <kimturley@gmail.com>
Date: Mon, 3 Aug 2020 06:17:38 -0700
Subject: [PATCH 90/90] with-electron-typescript build error fix (#15803)

Fixes #15802

Added Params type to prevent typescript error during build step
---
 .../with-electron-typescript/renderer/pages/detail/[id].tsx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/examples/with-electron-typescript/renderer/pages/detail/[id].tsx b/examples/with-electron-typescript/renderer/pages/detail/[id].tsx
index b04adb1bd3321..8c249c1dab760 100644
--- a/examples/with-electron-typescript/renderer/pages/detail/[id].tsx
+++ b/examples/with-electron-typescript/renderer/pages/detail/[id].tsx
@@ -5,6 +5,10 @@ import { findAll, findData } from '../../utils/sample-api'
 import ListDetail from '../../components/ListDetail'
 import { GetStaticPaths, GetStaticProps } from 'next'
 
+type Params = {
+  id?: string
+}
+
 type Props = {
   item?: User
   errors?: string
@@ -37,7 +41,7 @@ export const getStaticPaths: GetStaticPaths = async () => {
 }
 
 export const getStaticProps: GetStaticProps = async ({ params }) => {
-  const { id } = params
+  const { id } = params as Params
 
   try {
     const item = await findData(Array.isArray(id) ? id[0] : id)