build: use biome as formatter

.eslintrc.js

@@ -133,11 +133,7 @@ module.exports = {
     // https://eslint.org/docs/rules/
     'accessor-pairs': 'error',
     'array-callback-return': 'error',
-    'arrow-parens': 'error',
-    'arrow-spacing': 'error',
     'block-scoped-var': 'error',
-    'block-spacing': 'error',
-    'brace-style': ['error', '1tbs', { allowSingleLine: true }],
     'capitalized-comments': ['error', 'always', {
       line: {
         // Ignore all lines that have less characters than 20 and all lines that
@@ -150,49 +146,20 @@ module.exports = {
         ignorePattern: '.*',
       },
     }],
-    'comma-dangle': ['error', 'always-multiline'],
-    'comma-spacing': 'error',
-    'comma-style': 'error',
-    'computed-property-spacing': 'error',
     'default-case-last': 'error',
-    'dot-location': ['error', 'property'],
     'dot-notation': 'error',
     'eol-last': 'error',
     'eqeqeq': ['error', 'smart'],
     'func-call-spacing': 'error',
     'func-name-matching': 'error',
     'func-style': ['error', 'declaration', { allowArrowFunctions: true }],
-    'indent': ['error', 2, {
-      ArrayExpression: 'first',
-      CallExpression: { arguments: 'first' },
-      FunctionDeclaration: { parameters: 'first' },
-      FunctionExpression: { parameters: 'first' },
-      MemberExpression: 'off',
-      ObjectExpression: 'first',
-      SwitchCase: 1,
-    }],
-    'key-spacing': 'error',
-    'keyword-spacing': 'error',
     'linebreak-style': 'error',
-    'max-len': ['error', {
-      code: 120,
-      ignorePattern: '^// Flags:',
-      ignoreRegExpLiterals: true,
-      ignoreTemplateLiterals: true,
-      ignoreUrls: true,
-      tabWidth: 2,
-    }],
-    'new-parens': 'error',
-    'no-confusing-arrow': 'error',
     'no-constant-condition': ['error', { checkLoops: false }],
     'no-constructor-return': 'error',
     'no-duplicate-imports': 'error',
     'no-else-return': 'error',
-    'no-extra-parens': ['error', 'functions'],
     'no-lonely-if': 'error',
     'no-mixed-requires': 'error',
-    'no-multi-spaces': ['error', { ignoreEOLComments: true }],
-    'no-multiple-empty-lines': ['error', { max: 2, maxEOF: 0, maxBOF: 0 }],
     'no-new-require': 'error',
     'no-path-concat': 'error',
     'no-proto': 'error',
@@ -257,10 +224,8 @@ module.exports = {
       },
     ],
     'no-self-compare': 'error',
-    'no-tabs': 'error',
     'no-template-curly-in-string': 'error',
     'no-throw-literal': 'error',
-    'no-trailing-spaces': 'error',
     'no-undef': ['error', { typeof: true }],
     'no-undef-init': 'error',
     'no-unused-expressions': ['error', { allowShortCircuit: true }],
@@ -276,7 +241,6 @@ module.exports = {
     'no-useless-return': 'error',
     'no-var': 'error',
     'no-void': 'error',
-    'no-whitespace-before-property': 'error',
     'object-curly-newline': 'error',
     'object-curly-spacing': ['error', 'always'],
     'one-var': ['error', { initialized: 'never' }],
@@ -288,11 +252,8 @@ module.exports = {
     ],
     'prefer-const': ['error', { ignoreReadBeforeAssign: true }],
     'prefer-object-has-own': 'error',
-    'quotes': ['error', 'single', { avoidEscape: true }],
     'quote-props': ['error', 'consistent'],
     'rest-spread-spacing': 'error',
-    'semi': 'error',
-    'semi-spacing': 'error',
     'space-before-blocks': ['error', 'always'],
     'space-before-function-paren': ['error', {
       anonymous: 'never',
@@ -308,7 +269,6 @@ module.exports = {
     }],
     'strict': ['error', 'global'],
     'symbol-description': 'error',
-    'template-curly-spacing': 'error',
     'unicode-bom': 'error',
     'valid-typeof': ['error', { requireStringLiterals: true }],
 

.github/workflows/tools.yml

@@ -17,6 +17,7 @@ on:
           - acorn-walk
           - ada
           - base64
+          - biome
           - brotli
           - c-ares
           - cjs-module-lexer
@@ -87,6 +88,14 @@ jobs:
               cat temp-output
               tail -n1 temp-output | grep "NEW_VERSION=" >> "$GITHUB_ENV" || true
               rm temp-output
+          - id: biome
+            subsystem: tools
+            label: tools
+            run: |
+              ./tools/dep_updaters/update-biome.sh > temp-output
+              cat temp-output
+              tail -n1 temp-output | grep "NEW_VERSION=" >> "$GITHUB_ENV" || true
+              rm temp-output
           - id: brotli
             subsystem: deps
             label: dependencies

biome.json

@@ -0,0 +1,27 @@
+{
+  "$schema": "./tools/node_modules/@biomejs/biome/configuration_schema.json",
+  "formatter": {
+    "include": [
+      "test/**/*.{js,mjs,json}",
+      "lib/**/*.{js,mjs,json}",
+      "tools/**/*.{js,mjs,json}"
+    ],
+    "indentStyle": "space",
+    "indentWidth": 2,
+    "lineWidth": 120
+  },
+  "javascript": {
+    "formatter": {
+      "enabled": true,
+      "arrowParentheses": "always",
+      "trailingComma": "all",
+      "quoteStyle": "single",
+      "semicolons": "always",
+    }
+  },
+  "json": {
+    "formatter": {
+      "enabled": true
+    }
+  }
+}

tools/dep_updaters/update-biome.sh

@@ -0,0 +1,97 @@
+#!/bin/sh
+
+# Shell script to update @biomejs/biome in the source tree to the latest release.
+
+# This script must be in the tools directory when it runs because it uses the
+# script source file path to determine directories to work in.
+
+set -ex
+
+BASE_DIR=$(cd "$(dirname "$0")/../.." && pwd)
+[ -z "$NODE" ] && NODE="$BASE_DIR/out/Release/node"
+[ -x "$NODE" ] || NODE=$(command -v node)
+NPM="$BASE_DIR/deps/npm/bin/npm-cli.js"
+NODE_MODULES_DIR="$BASE_DIR/tools/node_modules"
+
+# shellcheck disable=SC1091
+. "$BASE_DIR/tools/dep_updaters/utils.sh"
+
+NEW_VERSION=$("$NODE" "$NPM" view @biomejs/biome dist-tags.latest)
+# CURRENT_VERSION=$("$NODE" "$NPM" --prefix './tools/node_modules/@biomejs/biome/' pkg get version)
+
+# This function exit with 0 if new version and current version are the same
+# compare_dependency_version "@biomejs/biome" "$NEW_VERSION" "$CURRENT_VERSION"
+
+cd "$( dirname "$0" )/../.." || exit
+
+echo "Making temporary workspace..."
+
+WORKSPACE=$(mktemp -d 2> /dev/null || mktemp -d -t 'tmp')
+
+cleanup () {
+  EXIT_CODE=$?
+  [ -d "$WORKSPACE" ] && rm -rf "$WORKSPACE"
+  exit $EXIT_CODE
+}
+
+trap cleanup INT TERM EXIT
+
+cd "$WORKSPACE"
+
+echo "Fetching @biomejs/biome source archive..."
+
+"$NODE" "$NPM" pack "@biomejs/biome@$NEW_VERSION"
+
+BIOME_TGZ="biomejs-biome-$NEW_VERSION.tgz"
+
+log_and_verify_sha256sum "@biomejs/biome" "$BIOME_TGZ"
+
+rm -r "$NODE_MODULES_DIR/@biomejs/biome"/*
+
+tar -xf "$BIOME_TGZ"
+
+mv package/* "$NODE_MODULES_DIR/@biomejs/biome"
+
+# Biome has optional dependencies that are not installed by default.
+# - @biomejs/cli-win32-x64
+# - @biomejs/cli-win32-arm64
+# - @biomejs/cli-darwin-x64
+# - @biomejs/cli-darwin-arm64
+# - @biomejs/cli-linux-x64
+# - @biomejs/cli-linux-arm64
+PLATFORM_DEPS=(
+  "cli-win32-x64"
+  "cli-win32-arm64"
+  "cli-darwin-x64"
+  "cli-darwin-arm64"
+  "cli-linux-x64"
+  "cli-linux-arm64"
+)
+
+for PLATFORM_DEP in "${PLATFORM_DEPS[@]}"; do
+  echo "Fetching @biomejs/$PLATFORM_DEP source archive..."
+
+  "$NODE" "$NPM" pack "@biomejs/$PLATFORM_DEP@$NEW_VERSION"
+
+  PLATFORM_DEP_TGZ="biomejs-$PLATFORM_DEP-$NEW_VERSION.tgz"
+
+  log_and_verify_sha256sum "@biomejs/$PLATFORM_DEP" "$PLATFORM_DEP_TGZ"
+
+  rm -rf "$NODE_MODULES_DIR/@biomejs/$PLATFORM_DEP"/*
+  mkdir -p "$NODE_MODULES_DIR/@biomejs/$PLATFORM_DEP"
+
+  tar -xf "$PLATFORM_DEP_TGZ" -C "$NODE_MODULES_DIR/@biomejs/$PLATFORM_DEP"
+done
+
+echo "All done!"
+echo ""
+echo "Please git add @biomejs/biome, commit the new version:"
+echo ""
+echo "$ git add -A tools/node_modules/@biomejs/biome"
+echo "$ git commit -m \"deps: update @biomejs/biome to $NEW_VERSION\""
+echo ""
+
+# Update the version number on maintaining-dependencies.md
+# and print the new version as the last line of the script as we need
+# to add it to $GITHUB_ENV variable
+finalize_version_update "@biomejs/biome" "$NEW_VERSION"