WIP Tracerbench Travis setup

dont checkin results configure azure job, make first thing for testing config updates Able to get results from Tracerbench redirect for tracerbench Update URLs to include ?tracerbench=true wip moves .server-replay.json to root wip cleanup cleanup cleanup cleanup change command Make process terminate with exit code 0 Ignore tracerbench-results files Delete generated JSON file rename directory Bump ember-decorators-polyfill from 1.0.6 to 1.1.0 Bumps [ember-decorators-polyfill](https://github.com/pzuraq/ember-decorators-polyfill) from 1.0.6 to 1.1.0. - [Release notes](https://github.com/pzuraq/ember-decorators-polyfill/releases) - [Commits](ember-polyfills/ember-decorators-polyfill@1.0.6...1.1.0) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump @ember/optional-features from 1.0.0 to 1.1.0 Bumps [@ember/optional-features](https://github.com/emberjs/ember-optional-features) from 1.0.0 to 1.1.0. - [Release notes](https://github.com/emberjs/ember-optional-features/releases) - [Changelog](https://github.com/emberjs/ember-optional-features/blob/master/CHANGELOG.md) - [Commits](emberjs/ember-optional-features@v1.0.0...v1.1.0) Signed-off-by: dependabot-preview[bot] <[email protected]> [CHORE] fix Typo (emberjs#6635) Happen to run into this typo. Been using Ember for years, love your work! Good luck! Co-authored-by: igorT <[email protected]> Update Changelog for v3.13.0 update changelog for v3.13.1 [CHORE] adds infra for testing calls to Ember warn|deprecate|assert (emberjs#6626) * [CHORE] adds infra for testing calls to Ember warn|deprecate|assert * fix production tests * address feedback * feedback on labels * remove id checks [CHORE] Refactor integration/multiple-stores-test.js in order to remove run loop usage (emberjs#6632) Bump ember-simple-tree from 0.7.0 to 0.7.1 Bumps [ember-simple-tree](https://github.com/btecu/ember-simple-tree) from 0.7.0 to 0.7.1. - [Release notes](https://github.com/btecu/ember-simple-tree/releases) - [Commits](btecu/ember-simple-tree@0.7.0...0.7.1) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump ember-decorators-polyfill from 1.1.0 to 1.1.1 Bumps [ember-decorators-polyfill](https://github.com/pzuraq/ember-decorators-polyfill) from 1.1.0 to 1.1.1. - [Release notes](https://github.com/pzuraq/ember-decorators-polyfill/releases) - [Commits](ember-polyfills/ember-decorators-polyfill@1.1.0...1.1.1) Signed-off-by: dependabot-preview[bot] <[email protected]> cleanup serializer documentation (emberjs#6575) ISSUE-6012: test: added test for meta property and bug fix. (emberjs#6640) [FEAT links] ensures full links object support for relationships (emberjs#6606) * [FEAT links] ensures full links object support for relationships * fix lint * add feature flags [BUGFIX release] Enable `store.createRecord` in FastBoot (emberjs#6568) * Add FastBoot test for store.createRecord Fails at the moment. * Enable store.createRecord in FastBoot Changes the V4 UUID generation to leverage `FastBoot.require` when possible. This currently requires that the host application add the following to their `package.json`: ``` "fastbootDependencies": [ "crypto" ] ``` * fix types [CHORE] rename and restructure packages to clarify unpublished/private status move unpublished packages into directories marked private move published but private into better naming convention move unpublished into better naming convention change -build-infra imports to private-build-infra larger re-org Bump eslint-config-prettier from 6.4.0 to 6.5.0 Bumps [eslint-config-prettier](https://github.com/prettier/eslint-config-prettier) from 6.4.0 to 6.5.0. - [Release notes](https://github.com/prettier/eslint-config-prettier/releases) - [Changelog](https://github.com/prettier/eslint-config-prettier/blob/master/CHANGELOG.md) - [Commits](prettier/eslint-config-prettier@v6.4.0...v6.5.0) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump eslint from 6.5.1 to 6.6.0 Bumps [eslint](https://github.com/eslint/eslint) from 6.5.1 to 6.6.0. - [Release notes](https://github.com/eslint/eslint/releases) - [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md) - [Commits](eslint/eslint@v6.5.1...v6.6.0) Signed-off-by: dependabot-preview[bot] <[email protected]> [CHORE] refactor: Remove runloop usage in destroy module of integration/store… (emberjs#6646) * refactor: Remove runloop usage in destroy module of integration/store-test * fix linter errors Bump @types/ember__debug from 3.0.5 to 3.0.6 (emberjs#6647) Bumps [@types/ember__debug](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/ember__debug) from 3.0.5 to 3.0.6. - [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases) - [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/ember__debug) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump eslint-plugin-mocha from 6.2.0 to 6.2.1 Bumps [eslint-plugin-mocha](https://github.com/lo1tuma/eslint-plugin-mocha) from 6.2.0 to 6.2.1. - [Release notes](https://github.com/lo1tuma/eslint-plugin-mocha/releases) - [Changelog](https://github.com/lo1tuma/eslint-plugin-mocha/blob/master/CHANGELOG.md) - [Commits](lo1tuma/eslint-plugin-mocha@6.2.0...6.2.1) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump qunit-dom from 0.9.0 to 0.9.1 Bumps [qunit-dom](https://github.com/simplabs/qunit-dom) from 0.9.0 to 0.9.1. - [Release notes](https://github.com/simplabs/qunit-dom/releases) - [Changelog](https://github.com/simplabs/qunit-dom/blob/master/CHANGELOG.md) - [Commits](mainmatter/qunit-dom@v0.9.0...v0.9.1) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump @typescript-eslint/parser from 2.5.0 to 2.6.0 Bumps [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser) from 2.5.0 to 2.6.0. - [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases) - [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/parser/CHANGELOG.md) - [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v2.6.0/packages/parser) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump @typescript-eslint/eslint-plugin from 2.5.0 to 2.6.0 Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 2.5.0 to 2.6.0. - [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases) - [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/CHANGELOG.md) - [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v2.6.0/packages/eslint-plugin) Signed-off-by: dependabot-preview[bot] <[email protected]> fix tracerbench command for renamed test app folder Setup har-remix replace server-replay with har-remix Use concurrently from node_modules instead of global installation wip Update bash script to use ember-data workspace for experiment relationship performance bash script updates removes line breaks removes .travis.yml from test app cleanup linting change eslint config cleanup remove comments updates azure-pipelines.yml adds tracerbench to github action workflow Update CI to install PM2 globally [CHORE] allow asserting all tests for deprecations (emberjs#6627) * [CHORE] configure the ability to filter deprecations from assertNoDeprecations * turn off helpers until tests are fixed [DOC] Close code block in the description Bump ember-qunit from 4.5.1 to 4.6.0 Bumps [ember-qunit](https://github.com/emberjs/ember-qunit) from 4.5.1 to 4.6.0. - [Release notes](https://github.com/emberjs/ember-qunit/releases) - [Changelog](https://github.com/emberjs/ember-qunit/blob/master/CHANGELOG.md) - [Commits](emberjs/ember-qunit@v4.5.1...v4.6.0) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump ember-fetch from 6.7.1 to 6.7.2 Bumps [ember-fetch](https://github.com/ember-cli/ember-fetch) from 6.7.1 to 6.7.2. - [Release notes](https://github.com/ember-cli/ember-fetch/releases) - [Changelog](https://github.com/ember-cli/ember-fetch/blob/v6.7.2/CHANGELOG.md) - [Commits](ember-cli/ember-fetch@v6.7.1...v6.7.2) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump ember-load-initializers from 2.1.0 to 2.1.1 Bumps [ember-load-initializers](https://github.com/ember-cli/ember-load-initializers) from 2.1.0 to 2.1.1. - [Release notes](https://github.com/ember-cli/ember-load-initializers/releases) - [Changelog](https://github.com/ember-cli/ember-load-initializers/blob/master/CHANGELOG.md) - [Commits](ember-cli/ember-load-initializers@v2.1.0...v2.1.1) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump ember-source from 3.13.3 to 3.14.1 Bumps [ember-source](https://github.com/emberjs/ember.js) from 3.13.3 to 3.14.1. - [Release notes](https://github.com/emberjs/ember.js/releases) - [Changelog](https://github.com/emberjs/ember.js/blob/master/CHANGELOG.md) - [Commits](emberjs/ember.js@v3.13.3...v3.14.1) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump eslint-plugin-ember from 7.2.0 to 7.3.0 Bumps [eslint-plugin-ember](https://github.com/ember-cli/eslint-plugin-ember) from 7.2.0 to 7.3.0. - [Release notes](https://github.com/ember-cli/eslint-plugin-ember/releases) - [Changelog](https://github.com/ember-cli/eslint-plugin-ember/blob/master/CHANGELOG.md) - [Commits](ember-cli/eslint-plugin-ember@v7.2.0...v7.3.0) Signed-off-by: dependabot-preview[bot] <[email protected]> [CHORE] adds asset reporting infra (emberjs#6655) * adds asset reporting infra * generify compression and use zlib brotli to compress * avoid jq for the comment * the moon is pretty * fix byte size calc [BUGFIX adapter]: Fix problem with headers precedence emberjs#6588 (emberjs#6650) [CHORE] fix location of fastboot test for new person (emberjs#6668) Bump ember-cli-pretender from 3.1.1 to 3.2.0 Bumps [ember-cli-pretender](https://github.com/rwjblue/ember-cli-pretender) from 3.1.1 to 3.2.0. - [Release notes](https://github.com/rwjblue/ember-cli-pretender/releases) - [Changelog](https://github.com/rwjblue/ember-cli-pretender/blob/master/CHANGELOG.md) - [Commits](rwjblue/ember-cli-pretender@v3.1.1...v3.2.0) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump @typescript-eslint/eslint-plugin from 2.6.0 to 2.6.1 Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 2.6.0 to 2.6.1. - [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases) - [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/CHANGELOG.md) - [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v2.6.1/packages/eslint-plugin) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump @typescript-eslint/parser from 2.6.0 to 2.6.1 Bumps [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser) from 2.6.0 to 2.6.1. - [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases) - [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/parser/CHANGELOG.md) - [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v2.6.1/packages/parser) Signed-off-by: dependabot-preview[bot] <[email protected]> [CHORE] move Errors into @ember-data/model (emberjs#6675) [BUGFIX] modelFor should return a stable ShimModelClass (emberjs#6610) [BUGFIX modelFor] ensures modelFor works for models with schemas but no classes add test for referential stability ensure relationships also trigger [CHORE] test fixes for deprecations, enables asserting all deprecations (emberjs#6628) * [CHORE] test fixes for deprecations, enables asserting all deprecations * fix lint * dont run in prod * make prod happy * fix lint * fix deprecations in ff code Bump ember-cli-yuidoc from 0.8.8 to 0.9.1 (emberjs#6664) Bumps [ember-cli-yuidoc](https://github.com/cibernox/ember-cli-yuidoc) from 0.8.8 to 0.9.1. - [Release notes](https://github.com/cibernox/ember-cli-yuidoc/releases) - [Changelog](https://github.com/cibernox/ember-cli-yuidoc/blob/master/CHANGELOG.md) - [Commits](cibernox/ember-cli-yuidoc@v0.8.8...v0.9.1) Signed-off-by: dependabot-preview[bot] <[email protected]> Bump @babel/plugin-transform-typescript from 7.6.3 to 7.7.0 Bumps [@babel/plugin-transform-typescript](https://github.com/babel/babel) from 7.6.3 to 7.7.0. - [Release notes](https://github.com/babel/babel/releases) - [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md) - [Commits](babel/babel@v7.6.3...v7.7.0) Signed-off-by: dependabot-preview[bot] <[email protected]> [CHORE] Improve output and fail test for Asset size Check (emberjs#6676) * [CHORE] Improve output and fail test for Asset size Check * when using tee we need to ensure failures are propagated wip rename shell scripts docs
iamdtang · Nov 6, 2019 · ef51280 · ef51280
1 parent 45b7e91
commit ef51280
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Showing 59 changed files with 1,977 additions and 799 deletions.
diff --git a/.eslintrc.js b/.eslintrc.js
@@ -56,7 +56,7 @@ module.exports = {
         '.mocharc.js',
         '.eslintrc.js',
         '.prettierrc.js',
-        'bin/*',
+        'bin/**',
         'packages/private-build-infra/src/**/*.js',
         'packages/unpublished-relationship-performance-test-app/bin/*.js',
         'packages/unpublished-test-infra/src/**/*.js',
@@ -109,12 +109,13 @@ module.exports = {
 
     // bin files
     {
-      files: ['bin/*', 'packages/unpublished-relationship-performance-test-app/bin/*'],
+      files: ['bin/**', 'packages/unpublished-relationship-performance-test-app/bin/*'],
       // eslint-disable-next-line node/no-unpublished-require
       rules: Object.assign({}, require('eslint-plugin-node').configs.recommended.rules, {
         'no-console': 'off',
         'no-process-exit': 'off',
         'node/no-unpublished-require': 'off',
+        'node/no-unsupported-features/node-builtins': 'off',
       }),
     },
   ],

diff --git a/.github/workflows/asset-size-check.yml b/.github/workflows/asset-size-check.yml
@@ -0,0 +1,90 @@
+name: AssetSizeCheck
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  asset-size-check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Check SHA
+        run: |
+          sha=$(git rev-parse --short=8 HEAD)
+          echo "HEAD sha=$sha"
+          echo "GITHUB_SHA sha=$GITHUB_SHA"
+          mkdir -p tmp
+          echo $sha > tmp/sha-for-check.txt
+          originSha=$(git rev-parse HEAD^2)
+          echo $originSha > tmp/sha-for-commit.txt
+          git show --format=short --no-patch $originSha
+      - name: Checkout master
+        run: git checkout master
+      - name: Install dependencies for master
+        run: yarn install
+      - name: Build Production master
+        # This will leave the assets in a dist that is maintained when
+        #  We switch back to the primary branch
+        run: yarn workspace ember-data ember build -e production
+      - name: Checkout ${{github.ref}}
+        # We checkout the PR Branch before parsing the master vendor file
+        #  So that we are always using the current analysis tooling
+        run: |
+          sha=$(cat tmp/sha-for-check.txt)
+          git checkout --progress --force $sha
+      - name: Install dependencies for ${{github.ref}}
+        run: yarn install
+      - name: Parse Master Assets
+        run: |
+          node ./bin/asset-size-tracking/generate-analysis.js
+          mkdir -p tmp
+          mkdir -p tmp/asset-sizes
+          node ./bin/asset-size-tracking/print-analysis.js -show > tmp/asset-sizes/master-analysis.txt
+      - name: Upload Master Dist Artifacts
+        uses: actions/upload-artifact@v1
+        with:
+          name: master-dist
+          path: packages/-ember-data/dist/assets
+      - name: Build Production ${{github.ref}}
+        run: yarn workspace ember-data ember build -e production
+      - name: Test Asset Sizes
+        run: |
+          mkdir -p tmp
+          mkdir -p tmp/asset-sizes
+          set -o pipefail
+          node ./bin/asset-size-tracking/generate-diff.js | tee tmp/asset-sizes/diff.txt
+      - name: Prepare Data For Report
+        if: failure() || success()
+        run: |
+          node ./bin/asset-size-tracking/generate-analysis.js
+      - name: Print Asset Size Report
+        if: failure() || success()
+        run: |
+          set -o pipefail
+          node ./bin/asset-size-tracking/print-analysis.js | tee tmp/asset-sizes/commit-analysis.txt
+      - name: Upload ${{github.ref}} Dist Artifacts
+        uses: actions/upload-artifact@v1
+        with:
+          name: commit-dist
+          path: packages/-ember-data/dist/assets
+      - name: Upload Report Artifacts
+        uses: actions/upload-artifact@v1
+        with:
+          name: reports
+          path: tmp/asset-sizes
+      - name: Report Asset Sizes
+        if: failure() || success()
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          COMMENT_MARKER="Asset Size Report for "=
+          sha=$(cat tmp/sha-for-commit.txt)
+          node ./bin/asset-size-tracking/src/create-comment-text.js $sha > tmp/asset-sizes/comment.txt
+          COMMENT_TEXT="@./tmp/asset-sizes/comment.txt"
+          source bin/asset-size-tracking/src/post-comment.sh
diff --git a/.gitignore b/.gitignore
@@ -9,6 +9,7 @@ tmp
 # dependencies
 bower_components
 node_modules
+bin/asset-size-tracking/current-data.json
 
 # misc
 .env*

diff --git a/bin/asset-size-tracking/generate-analysis.js b/bin/asset-size-tracking/generate-analysis.js
@@ -0,0 +1,20 @@
+'use strict';
+/**
+ * Analyze Ember-Data Modules
+ *
+ * Generates a JSON file with details of size costs of each individual module
+ * and package. You should crate a production build of the ember-data
+ * package prior to running this script.
+ *
+ */
+const fs = require('fs');
+const path = require('path');
+let INPUT_FILE = process.argv[2] || false;
+const parseModules = require('./src/parse-modules');
+const getBuiltDist = require('./src/get-built-dist');
+
+const builtAsset = getBuiltDist(INPUT_FILE);
+const library = parseModules(builtAsset);
+const outputPath = path.resolve(__dirname, './current-data.json');
+
+fs.writeFileSync(outputPath, JSON.stringify(library, null, 2));
diff --git a/bin/asset-size-tracking/generate-diff.js b/bin/asset-size-tracking/generate-diff.js
@@ -0,0 +1,246 @@
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const Library = require('./src/library');
+const parseModules = require('./src/parse-modules');
+const getBuiltDist = require('./src/get-built-dist');
+const chalk = require('chalk');
+const library_failure_threshold = 15;
+const package_warn_threshold = 0;
+
+let BASE_DATA_FILE = process.argv[2] || false;
+let NEW_VENDOR_FILE = process.argv[3] || false;
+
+if (!BASE_DATA_FILE) {
+  BASE_DATA_FILE = path.resolve(__dirname, './current-data.json');
+}
+
+const data = fs.readFileSync(BASE_DATA_FILE, 'utf-8');
+const current_library = Library.fromData(JSON.parse(data));
+
+const builtAsset = getBuiltDist(NEW_VENDOR_FILE);
+const new_library = parseModules(builtAsset);
+
+function getDiff(oldLibrary, newLibrary) {
+  const diff = {
+    name: oldLibrary.name,
+    currentSize: oldLibrary.absoluteSize,
+    newSize: newLibrary.absoluteSize,
+    currentSizeCompressed: oldLibrary.compressedSize,
+    newSizeCompressed: newLibrary.compressedSize,
+    packages: {},
+  };
+  oldLibrary.packages.forEach(pkg => {
+    diff.packages[pkg.name] = {
+      name: pkg.name,
+      currentSize: pkg.absoluteSize,
+      newSize: 0,
+      currentSizeCompressed: pkg.compressedSize,
+      newSizeCompressed: 0,
+      modules: {},
+    };
+    let modules = diff.packages[pkg.name].modules;
+    pkg.modules.forEach(m => {
+      modules[m.name] = {
+        name: m.name,
+        currentSize: m.absoluteSize,
+        newSize: 0,
+        currentSizeCompressed: m.compressedSize,
+        newSizeCompressed: 0,
+      };
+    });
+  });
+  newLibrary.packages.forEach(pkg => {
+    diff.packages[pkg.name] = diff.packages[pkg.name] || {
+      name: pkg.name,
+      currentSize: 0,
+      newSize: pkg.absoluteSize,
+      currentSizeCompressed: 0,
+      newSizeCompressed: pkg.compressedSize,
+      modules: {},
+    };
+    diff.packages[pkg.name].newSize = pkg.absoluteSize;
+    diff.packages[pkg.name].newSizeCompressed = pkg.compressedSize;
+    let modules = diff.packages[pkg.name].modules;
+    pkg.modules.forEach(m => {
+      modules[m.name] = modules[m.name] || {
+        name: m.name,
+        currentSize: 0,
+        newSize: m.absoluteSize,
+        currentSizeCompressed: 0,
+        newSizeCompressed: m.compressedSize,
+      };
+      modules[m.name].newSize = m.absoluteSize;
+      modules[m.name].newSizeCompressed = m.compressedSize;
+    });
+  });
+  diff.packages = Object.values(diff.packages);
+  diff.packages.forEach(pkg => {
+    pkg.modules = Object.values(pkg.modules);
+  });
+
+  return diff;
+}
+
+const diff = getDiff(current_library, new_library);
+
+function analyzeDiff(diff) {
+  let failures = [];
+  let warnings = [];
+
+  if (diff.currentSize < diff.newSize) {
+    let delta = diff.newSize - diff.currentSize;
+    let compressedDelta = diff.newSizeCompressed - diff.currentSizeCompressed;
+    if (delta > library_failure_threshold && compressedDelta > 0) {
+      failures.push(
+        `The size of the library ${diff.name} has increased by ${formatBytes(delta)} (${formatBytes(
+          compressedDelta
+        )} compressed) which exceeds the failure threshold of ${library_failure_threshold} bytes.`
+      );
+    }
+  }
+
+  diff.packages.forEach(pkg => {
+    if (pkg.currentSize < pkg.newSize) {
+      let delta = pkg.newSize - pkg.currentSize;
+      if (delta > package_warn_threshold) {
+        warnings.push(`The uncompressed size of the package ${pkg.name} has increased by ${formatBytes(delta)}.`);
+      }
+    }
+  });
+
+  return { failures, warnings };
+}
+
+function printDiff(diff) {
+  console.log('\n```\n');
+  printItem(diff);
+  diff.packages.forEach(pkg => {
+    printItem(pkg, 2);
+    pkg.modules.forEach(m => {
+      printItem(m, 4);
+    });
+  });
+  console.log('\n```\n');
+}
+
+function printItem(item, indent = 0) {
+  if (item.currentSize !== item.newSize) {
+    const indentColor = indent >= 4 ? 'grey' : indent >= 2 ? 'yellow' : indent >= 0 ? 'magenta' : 'green';
+    console.log(
+      leftPad(chalk[indentColor](item.name) + ' ' + formatSize(item, false) + ' ' + formatSize(item, true), indent * 2)
+    );
+  }
+}
+
+function formatSize(item, isCompressed = false) {
+  let size = formatBytes(isCompressed ? item.newSizeCompressed : item.newSize);
+  let delta = formatDelta(item, isCompressed);
+
+  return isCompressed ? chalk.grey(`(${chalk.white(size)} ${delta} compressed)`) : `${chalk.white(size)} ${delta}`;
+}
+
+function formatDelta(item, isCompressed = false) {
+  let delta = isCompressed ? item.newSizeCompressed - item.currentSizeCompressed : item.newSize - item.currentSize;
+
+  if (delta === 0) {
+    return chalk.black('±0 B');
+  }
+
+  if (delta < 0) {
+    return chalk.green(`${formatBytes(delta)}`);
+  } else {
+    return chalk.red(`+${formatBytes(delta)}`);
+  }
+}
+
+function humanizeNumber(n) {
+  let s = n.toFixed(2);
+  if (s.charAt(s.length - 1) === '0') {
+    s = n.toFixed(1);
+
+    if (s.charAt(s.length - 2) === '0') {
+      s = n.toFixed(0);
+    }
+  }
+  return s;
+}
+
+function formatBytes(b) {
+  let str;
+  if (b > 1024 || b < -1024) {
+    str = humanizeNumber(b / 1024) + ' KB';
+  } else {
+    str = humanizeNumber(b) + ' B';
+  }
+
+  return str;
+}
+
+function leftPad(str, len, char = ' ') {
+  for (let i = 0; i < len; i++) {
+    str = char + str;
+  }
+  return str;
+}
+
+const { failures, warnings } = analyzeDiff(diff);
+
+if (failures.length) {
+  console.log(`\n<details>\n  <summary>${failures[0]}</summary>`);
+  if (failures.length > 1) {
+    console.log('\nFailed Checks\n-----------------------');
+    failures.forEach(f => {
+      console.log(f);
+    });
+  }
+  if (warnings.length) {
+    console.log('\nWarnings\n-----------------------');
+    warnings.forEach(w => {
+      console.log(w);
+    });
+  }
+  console.log('\n**Changeset**\n');
+  printDiff(diff);
+  console.log('\n</details>');
+  process.exit(1);
+} else {
+  let delta = diff.currentSize - diff.newSize;
+  if (delta === 0) {
+    console.log(`\n<details>\n  <summary>${diff.name} has not changed in size</summary>`);
+  } else if (delta > 0) {
+    console.log(
+      `\n<details>\n  <summary>${diff.name} shrank by ${formatBytes(delta)} (${formatBytes(
+        diff.currentSizeCompressed - diff.newSizeCompressed
+      )} compressed)</summary>`
+    );
+  } else {
+    let compressedDelta = diff.newSizeCompressed - diff.currentSizeCompressed;
+    if (-1 * delta < library_failure_threshold) {
+      console.log(
+        `\n<details>\n  <summary>${diff.name} increased by ${formatBytes(-1 * delta)} (${formatBytes(
+          compressedDelta
+        )} compressed) which is within the allowed tolerance of ${library_failure_threshold} bytes uncompressed</summary>`
+      );
+    } else {
+      console.log(
+        `\n<details>\n  <summary>${diff.name} increased by ${formatBytes(
+          -1 * delta
+        )} uncompressed but decreased by ${formatBytes(-1 * compressedDelta)} compressed</summary>`
+      );
+    }
+  }
+  if (warnings.length) {
+    console.log('\nWarnings\n-----------------------');
+    warnings.forEach(w => {
+      console.log(w);
+    });
+  } else {
+    console.log('\nIf any packages had changed sizes they would be listed here.');
+  }
+  console.log('\n**Changeset**\n');
+  printDiff(diff);
+  console.log('\n</details>');
+  process.exit(0);
+}