Dropped Node 18 support

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
     - uses: pnpm/action-setup@v4
     - uses: actions/setup-node@v4
       with:
-        node-version: '18.x'
+        node-version: '20.x'
         cache: 'pnpm'
     - name: install dependencies
       run: pnpm install
@@ -34,7 +34,7 @@ jobs:
 
     strategy:
       matrix:
-        node: [18, 20, 22]
+        node: [20, 22]
         os: [ubuntu, windows]
 
     steps:
@@ -47,7 +47,7 @@ jobs:
     - run: pnpm install
     - run: pnpm build
     - name: test
-      run: pnpm npm-run-all test:*
+      run: pnpm test
 
   floating-test:
     name: Floating dependencies
@@ -58,9 +58,9 @@ jobs:
     - uses: pnpm/action-setup@v4
     - uses: actions/setup-node@v4
       with:
-        node-version: '18.x'
+        node-version: '20.x'
         cache: 'pnpm'
     - run: pnpm install --no-lockfile
     - run: pnpm build
     - name: test
-      run: pnpm test:jest
+      run: pnpm test

.gitignore

@@ -1,13 +1,11 @@
-# See https://help.github.com/ignore-files/ for more about ignoring files.
+# compiled output
+dist/
 
 # dependencies
-/node_modules
+node_modules/
 
 # misc
-npm-debug.log*
-yarn-error.log
-/.vscode
-/.log/
-
-# compiled output
-/lib
+.DS_Store
+.env*
+.eslintcache
+pnpm-debug.log*

.npmrc

@@ -0,0 +1,4 @@
+auto-install-peers=false
+public-hoist-pattern[]=*eslint*
+public-hoist-pattern[]=*prettier*
+resolve-peers-from-workspace-root=false

.nvmrc

@@ -0,0 +1 @@
+20.19.6

.prettierignore

@@ -0,0 +1,11 @@
+# compiled output
+/dist/
+
+# misc
+pnpm-lock.yaml
+!.*
+.*/
+
+# specific to this package
+CHANGELOG.md
+README.md

eslint.config.mjs

@@ -0,0 +1,109 @@
+import babelEslintParser from '@babel/eslint-parser';
+import eslint from '@eslint/js';
+import eslintConfigPrettier from 'eslint-config-prettier';
+import eslintPluginImportX from 'eslint-plugin-import-x';
+import eslintPluginN from 'eslint-plugin-n';
+import globals from 'globals';
+import tseslint from 'typescript-eslint';
+
+const parserOptionsJs = {
+  ecmaFeatures: {
+    modules: true,
+  },
+  ecmaVersion: 'latest',
+  requireConfigFile: false,
+};
+
+const parserOptionsTs = {
+  projectService: true,
+};
+
+export default tseslint.config(
+  {
+    ignores: ['dist/', 'node_modules/', '.*/'],
+  },
+  {
+    linterOptions: {
+      reportUnusedDisableDirectives: 'error',
+    },
+  },
+
+  eslint.configs.recommended,
+  eslintPluginImportX.flatConfigs.recommended,
+  eslintConfigPrettier,
+  {
+    rules: {
+      curly: 'error',
+      'import-x/no-duplicates': 'error',
+      'import-x/no-unresolved': 'off',
+    },
+  },
+
+  // JavaScript files
+  {
+    files: ['**/*.js'],
+    languageOptions: {
+      parser: babelEslintParser,
+      parserOptions: parserOptionsJs,
+    },
+  },
+
+  // TypeScript files
+  {
+    extends: [
+      tseslint.configs.recommendedTypeChecked,
+      eslintPluginImportX.flatConfigs.typescript,
+    ],
+    files: ['**/*.ts'],
+    languageOptions: {
+      parserOptions: parserOptionsTs,
+    },
+    rules: {
+      '@typescript-eslint/array-type': 'error',
+      '@typescript-eslint/consistent-type-imports': 'error',
+      '@typescript-eslint/method-signature-style': ['error', 'property'],
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-import-type-side-effects': 'error',
+      '@typescript-eslint/no-unsafe-argument': 'off',
+      '@typescript-eslint/no-unsafe-assignment': 'off',
+      '@typescript-eslint/no-unsafe-call': 'off',
+      '@typescript-eslint/no-unsafe-member-access': 'off',
+      '@typescript-eslint/no-unsafe-return': 'off',
+      'import-x/no-named-as-default-member': 'off',
+      'prefer-const': 'off',
+    },
+    settings: {
+      'import-x/resolver': {
+        node: true,
+        typescript: true,
+      },
+    },
+  },
+
+  // Configuration files
+  {
+    ...eslintPluginN.configs['flat/recommended-script'],
+    files: ['**/*.cjs', 'jest.config.js'],
+    languageOptions: {
+      ecmaVersion: 'latest',
+      globals: globals.node,
+      sourceType: 'script',
+    },
+    plugins: {
+      n: eslintPluginN,
+    },
+  },
+  {
+    ...eslintPluginN.configs['flat/recommended-module'],
+    files: ['**/*.mjs'],
+    languageOptions: {
+      ecmaVersion: 'latest',
+      globals: globals.node,
+      parserOptions: parserOptionsJs,
+      sourceType: 'module',
+    },
+    plugins: {
+      n: eslintPluginN,
+    },
+  },
+);

jest.config.js → jest.config.cjs

@@ -1,5 +1,5 @@
 module.exports = {
   preset: 'ts-jest',
-  testEnvironment: 'node',
   roots: ['<rootDir>/src/'],
+  testEnvironment: 'node',
 };

package.json

@@ -15,25 +15,27 @@
   "repository": "github:ember-template-lint/ember-template-recast",
   "license": "MIT",
   "author": "Robert Jackson <[email protected]>",
-  "main": "lib/index.js",
-  "bin": "lib/bin.js",
+  "main": "dist/index.js",
+  "bin": "dist/bin.js",
   "files": [
-    "lib/",
-    "!lib/**/*.test.*"
+    "dist/",
+    "!dist/**/*.test.*"
   ],
   "scripts": {
     "build": "tsc",
-    "lint": "npm-run-all lint:*",
-    "lint:files": "eslint .",
-    "lint:tsc": "tsc --noEmit",
+    "format": "prettier . --cache --write",
+    "lint": "concurrently \"pnpm:lint:*(!fix)\" --names \"lint:\"",
+    "lint:fix": "concurrently \"pnpm:lint:*:fix\" --names \"fix:\" && pnpm format",
+    "lint:format": "prettier . --cache --check",
+    "lint:js": "eslint . --cache",
+    "lint:js:fix": "eslint . --fix",
+    "lint:types": "tsc --noEmit",
     "perf:benchmark": "node scripts/benchmark.mjs",
-    "prepare": "tsc",
-    "test": "npm-run-all lint test:*",
-    "test:jest": "jest"
+    "prepare": "pnpm build",
+    "test": "jest"
   },
   "dependencies": {
     "@glimmer/syntax": ">= 0.84.3",
-    "@types/tmp": "^0.2.6",
     "async-promise-queue": "^1.0.5",
     "colors": "^1.4.0",
     "commander": "^8.3.0",
@@ -44,30 +46,36 @@
     "workerpool": "^6.4.0"
   },
   "devDependencies": {
-    "@types/jest": "^27.4.0",
-    "@types/workerpool": "^6.1.1",
+    "@babel/core": "^7.29.0",
+    "@babel/eslint-parser": "^7.28.6",
+    "@eslint/js": "^9.39.4",
     "@glimmer/reference": "^0.84.3",
     "@glimmer/validator": "^0.84.3",
-    "@typescript-eslint/eslint-plugin": "^5.9.1",
-    "@typescript-eslint/parser": "^5.9.1",
+    "@types/jest": "^30.0.0",
+    "@types/node": "^20.19.37",
+    "@types/tmp": "^0.2.6",
+    "@types/workerpool": "^6.1.1",
     "benchmark": "^2.1.4",
     "broccoli-test-helper": "^2.0.0",
-    "eslint": "^8.36.0",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-prettier": "^4.0.0",
+    "concurrently": "^9.2.1",
+    "eslint": "^9.39.4",
+    "eslint-config-prettier": "^10.1.8",
+    "eslint-import-resolver-typescript": "^4.4.4",
+    "eslint-plugin-import-x": "^4.16.2",
+    "eslint-plugin-n": "^17.24.0",
     "execa": "^5.1.1",
-    "jest": "^26.6.3",
-    "npm-run-all": "^4.1.5",
+    "globals": "^17.4.0",
+    "jest": "^30.3.0",
     "outdent": "^0.8.0",
-    "prettier": "^2.5.1",
+    "prettier": "^3.8.1",
     "release-plan": "^0.16.0",
-    "ts-jest": "^26.5.6",
-    "typescript": "~4.9.5"
+    "ts-jest": "^29.4.6",
+    "typescript": "^5.9.3",
+    "typescript-eslint": "^8.57.0"
   },
-  "packageManager": "pnpm@10.9.0",
+  "packageManager": "pnpm@10.32.1",
   "engines": {
-    "node": ">= 18.12"
+    "node": "20.* || >= 22"
   },
   "publishConfig": {
     "registry": "https://registry.npmjs.org"