Migrate ESLint + Prettier to oxlint + oxfmt

Author: kibertoad

.eslintignore

@@ -1,4 +1,6 @@
 # Upgrade to Prettier 2.7
 3d228334530860a6e3f99dc10777c84bf22292c1
 # Format markdown files with Prettier
-dfe2eaaf20f0b679d94e5a799757c4394d80f1cc
+dfe2eaaf20f0b679d94e5a799757c4394d80f1cc
+# Migrate to oxfmt and oxlint
+882780b032ea8294eb27be123145a29f370a7934

.eslintrc.js

@@ -9,15 +9,15 @@ on:
 jobs:
   lint:
     name: Lint
-    runs-on: 'ubuntu-latest'
+    runs-on: "ubuntu-latest"
     steps:
       - name: Checkout
         uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
         with:
-          node-version: '24'
+          node-version: "24"
 
       - name: Install dependencies
         run: npm ci
@@ -31,9 +31,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: ['ubuntu-latest', 'windows-latest']
+        operating-system: ["ubuntu-latest", "windows-latest"]
         # https://nodejs.org/en/about/releases/
-        node-version: ['20', '22', '24']
+        node-version: ["20", "22", "24"]
 
     steps:
       - name: Checkout
@@ -71,7 +71,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v6
         with:
-          node-version: '24'
+          node-version: "24"
 
       - name: Install dependencies
         run: npm ci

.git-blame-ignore-revs

@@ -6,13 +6,13 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - "*"
 
 jobs:
   publish-aws-s3:
     name: Publish to AWS S3
-    runs-on: 'ubuntu-latest'
-    environment: 'builds.handlebarsjs.com.s3.amazonaws.com'
+    runs-on: "ubuntu-latest"
+    environment: "builds.handlebarsjs.com.s3.amazonaws.com"
     steps:
       - name: Checkout
         uses: actions/checkout@v6
@@ -22,7 +22,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v6
         with:
-          node-version: '24'
+          node-version: "24"
 
       - name: Install dependencies
         run: npm ci

.github/workflows/ci.yml

@@ -0,0 +1,8 @@
+{
+  "$schema": "https://raw.githubusercontent.com/nicolo-ribaudo/oxfmt-config-schema/refs/heads/main/schema.json",
+  "indentWidth": 2,
+  "semicolons": "always",
+  "quoteStyle": "single",
+  "trailingCommas": "es5",
+  "printWidth": 80
+}

.github/workflows/release.yml

@@ -0,0 +1,149 @@
+{
+  "$schema": "https://raw.githubusercontent.com/oxc-project/oxc/main/npm/oxlint/configuration_schema.json",
+  "plugins": ["eslint", "typescript", "unicorn", "oxc", "node", "vitest"],
+  "categories": {
+    "correctness": "error"
+  },
+  "rules": {
+    "no-console": "warn",
+    "no-func-assign": "off",
+    "no-sparse-arrays": "off",
+
+    "default-case": "warn",
+    "guard-for-in": "warn",
+    "no-alert": "error",
+    "no-caller": "error",
+    "no-div-regex": "warn",
+    "no-eval": "error",
+    "no-extend-native": "error",
+    "no-extra-bind": "error",
+    "no-implied-eval": "error",
+    "no-iterator": "error",
+    "no-labels": "error",
+    "no-lone-blocks": "error",
+    "no-loop-func": "error",
+    "no-multi-str": "warn",
+    "no-global-assign": "error",
+    "no-new": "error",
+    "no-new-func": "error",
+    "no-new-wrappers": "error",
+    "no-proto": "error",
+    "no-return-assign": "error",
+    "no-script-url": "error",
+    "no-self-compare": "error",
+    "no-sequences": "error",
+    "no-throw-literal": "error",
+    "no-unused-expressions": "error",
+    "no-warning-comments": "warn",
+    "no-with": "error",
+    "radix": "error",
+
+    "no-label-var": "error",
+    "no-use-before-define": ["error", { "functions": false }],
+
+    "no-var": "error",
+
+    "node/no-process-env": "error"
+  },
+  "ignorePatterns": [
+    "tmp/",
+    "dist/",
+    "coverage/",
+    "tests/integration/*/dist/",
+    "spec/expected/",
+    "spec/vendor",
+    "node_modules",
+    "src/*.js",
+    "types/"
+  ],
+  "overrides": [
+    {
+      "files": ["lib/**/*.js"],
+      "env": {
+        "node": false,
+        "browser": true
+      }
+    },
+    {
+      "files": ["spec/**/*.js"],
+      "globals": {
+        "CompilerContext": "readonly",
+        "Handlebars": "writable",
+        "handlebarsEnv": "readonly",
+        "expectTemplate": "readonly",
+        "suite": "readonly",
+        "test": "readonly",
+        "testBoth": "readonly",
+        "raises": "readonly",
+        "deepEqual": "readonly",
+        "start": "readonly",
+        "stop": "readonly",
+        "ok": "readonly",
+        "vi": "readonly",
+        "strictEqual": "readonly",
+        "define": "readonly",
+        "expect": "readonly",
+        "beforeEach": "readonly",
+        "afterEach": "readonly",
+        "describe": "readonly",
+        "it": "readonly"
+      },
+      "rules": {
+        "no-var": "off",
+        "dot-notation": "off",
+        "vitest/no-conditional-tests": "off"
+      }
+    },
+    {
+      "files": ["tasks/**/*.js"],
+      "rules": {
+        "node/no-process-env": "off",
+        "prefer-const": "warn",
+        "dot-notation": "error"
+      }
+    },
+    {
+      "files": ["tasks/tests/**/*.js"],
+      "globals": {
+        "describe": "readonly",
+        "it": "readonly",
+        "expect": "readonly",
+        "beforeEach": "readonly",
+        "afterEach": "readonly",
+        "vi": "readonly"
+      }
+    },
+    {
+      "files": ["tests/bench/**/*.js"],
+      "rules": {
+        "no-console": "off",
+        "no-var": "off"
+      }
+    },
+    {
+      "files": ["tests/integration/multi-nodejs-test/**/*.js"],
+      "rules": {
+        "no-console": "off",
+        "no-var": "off"
+      }
+    },
+    {
+      "files": ["tests/browser/**/*.js"],
+      "env": {
+        "browser": true
+      }
+    },
+    {
+      "files": [
+        "tests/integration/webpack-babel-test/src/**/*.js",
+        "tests/integration/webpack-test/src/**/*.js"
+      ],
+      "env": {
+        "browser": true
+      },
+      "rules": {
+        "no-var": "off"
+      }
+    }
+  ]
+}

.oxfmtrc.json

@@ -1,3 +1,4 @@
+# Ignore patterns for oxfmt (reads .prettierignore by default)
 .rvmrc
 .DS_Store
 /tmp/
@@ -19,3 +20,7 @@ node_modules
 # Third-party or files that must remain unchanged
 /spec/expected/
 /spec/vendor
+
+# Handlebars template files (not JavaScript)
+*.handlebars
+*.hbs