From 896f76c0b2c676a7dd863b7403d530aa01a42ce8 Mon Sep 17 00:00:00 2001
From: Joshua Chen <sidachen2003@gmail.com>
Date: Sun, 17 Apr 2022 13:14:04 +0800
Subject: [PATCH] fix(core): handle case where package.json is not available at
 CWD

---
 packages/docusaurus/bin/beforeCli.mjs          | 14 +++++++++++---
 packages/docusaurus/bin/docusaurus.mjs         |  5 +----
 packages/docusaurus/src/client/serverEntry.tsx |  5 +----
 packages/docusaurus/src/server/siteMetadata.ts |  4 +---
 4 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/packages/docusaurus/bin/beforeCli.mjs b/packages/docusaurus/bin/beforeCli.mjs
index 53c5ee9e84d3..16fcfb783b3d 100644
--- a/packages/docusaurus/bin/beforeCli.mjs
+++ b/packages/docusaurus/bin/beforeCli.mjs
@@ -16,9 +16,15 @@ import boxen from 'boxen';
 import {createRequire} from 'module';
 
 const packageJson = createRequire(import.meta.url)('../package.json');
-const sitePkg = createRequire(path.join(process.cwd(), 'package.json'))(
-  './package.json',
-);
+/** @type {Record<string, any>} */
+let sitePkg;
+try {
+  sitePkg = createRequire(path.resolve('package.json'))('./package.json');
+} catch {
+  logger.warn`path=${'package.json'} file not found at CWD: path=${process.cwd()}.`;
+  logger.info`This is non-critical, but could lead to non-deterministic behavior downstream. Docusaurus assumes that path=${'package.json'} exists at CWD, because it's where the package manager looks up the script at. A common reason is because you have changed directory in the script. Instead of writing code=${'"start": "cd website && docusaurus start"'}, consider using the code=${'[siteDir]'} argument: code=${'"start": "docusaurus start website"'}.`;
+  sitePkg = {};
+}
 
 const {
   name,
@@ -26,6 +32,8 @@ const {
   engines: {node: requiredVersion},
 } = packageJson;
 
+process.env.DOCUSAURUS_VERSION = version;
+
 /**
  * Notify user if `@docusaurus` packages are outdated
  *
diff --git a/packages/docusaurus/bin/docusaurus.mjs b/packages/docusaurus/bin/docusaurus.mjs
index eee4fc9919e9..cf174771c24d 100755
--- a/packages/docusaurus/bin/docusaurus.mjs
+++ b/packages/docusaurus/bin/docusaurus.mjs
@@ -11,7 +11,6 @@
 import logger from '@docusaurus/logger';
 import fs from 'fs-extra';
 import cli from 'commander';
-import {createRequire} from 'module';
 import {
   build,
   swizzle,
@@ -29,9 +28,7 @@ await beforeCli();
 
 const resolveDir = (dir = '.') => fs.realpath(dir);
 
-cli
-  .version(createRequire(import.meta.url)('../package.json').version)
-  .usage('<command> [options]');
+cli.version(process.env.DOCUSAURUS_VERSION).usage('<command> [options]');
 
 cli
   .command('build [siteDir]')
diff --git a/packages/docusaurus/src/client/serverEntry.tsx b/packages/docusaurus/src/client/serverEntry.tsx
index 4ff192881b5f..95e7a47b5073 100644
--- a/packages/docusaurus/src/client/serverEntry.tsx
+++ b/packages/docusaurus/src/client/serverEntry.tsx
@@ -27,9 +27,6 @@ import logger from '@docusaurus/logger';
 import _ from 'lodash';
 import type {Locals} from '@slorber/static-site-generator-webpack-plugin';
 
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-const packageJson = require('../../package.json');
-
 const getCompiledSSRTemplate = _.memoize((template: string) =>
   eta.compile(template.trim(), {
     rmWhitespace: true,
@@ -132,7 +129,7 @@ async function doRender(locals: Locals & {path: string}) {
     scripts,
     stylesheets,
     noIndex,
-    version: packageJson.version,
+    version: process.env.DOCUSAURUS_VERSION,
   });
 
   try {
diff --git a/packages/docusaurus/src/server/siteMetadata.ts b/packages/docusaurus/src/server/siteMetadata.ts
index ec855f94d57b..dba0e0037c9c 100644
--- a/packages/docusaurus/src/server/siteMetadata.ts
+++ b/packages/docusaurus/src/server/siteMetadata.ts
@@ -98,9 +98,7 @@ export async function loadSiteMetadata({
   siteDir: string;
 }): Promise<SiteMetadata> {
   const siteMetadata: SiteMetadata = {
-    docusaurusVersion: (await getPackageJsonVersion(
-      path.join(__dirname, '../../package.json'),
-    ))!,
+    docusaurusVersion: process.env.DOCUSAURUS_VERSION!,
     siteVersion: await getPackageJsonVersion(
       path.join(siteDir, 'package.json'),
     ),