Dependencies

.github/workflows/CI.yml

@@ -18,7 +18,7 @@ jobs:
           submodules: true
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 18
           cache: 'npm'
       - name: Install
         run: npm install
@@ -34,7 +34,7 @@ jobs:
           submodules: true
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 18
           cache: 'npm'
       - name: Install
         run: npm install
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [16, 18, 20]
+        node: [18, 20, 22]
     steps:
       - uses: actions/checkout@v3
         with:
@@ -67,31 +67,31 @@ jobs:
         run: npm run test:node
 
   test_macos:
-    name: Test on MacOS with Node 16
+    name: Test on MacOS with Node 18
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v3
         with:
           submodules: true
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 18
           cache: 'npm'
       - name: Install
         run: npm install
       - name: Run tests
         run: npm run test:node
 
   test_windows:
-    name: Test on Windows with Node 16
+    name: Test on Windows with Node 18
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v3
         with:
           submodules: true
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 18
           cache: 'npm'
       - name: Install
         run: npm install

eslint.config.mjs

@@ -0,0 +1,79 @@
+import { defineConfig, globalIgnores } from 'eslint/config'
+import typescriptEslint from '@typescript-eslint/eslint-plugin'
+import globals from 'globals'
+import tsParser from '@typescript-eslint/parser'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+import js from '@eslint/js'
+import { FlatCompat } from '@eslint/eslintrc'
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+})
+
+export default defineConfig([
+  globalIgnores(['src/antlr', '**/dist']),
+  {
+    extends: compat.extends('eslint:recommended'),
+
+    plugins: {
+      '@typescript-eslint': typescriptEslint,
+    },
+
+    languageOptions: {
+      globals: {
+        ...globals.mocha,
+        ...globals.node,
+      },
+
+      parser: tsParser,
+    },
+
+    rules: {
+      'no-var': 'error',
+      'object-curly-spacing': ['error', 'always'],
+      'object-shorthand': 'error',
+      'prefer-const': 'error',
+      'max-len': 'off',
+    },
+  },
+  {
+    files: ['**/*.ts'],
+
+    extends: compat.extends(
+      'eslint:recommended',
+      'plugin:@typescript-eslint/recommended',
+      'plugin:@typescript-eslint/recommended-requiring-type-checking'
+    ),
+
+    plugins: {
+      '@typescript-eslint': typescriptEslint,
+    },
+
+    languageOptions: {
+      parser: tsParser,
+      ecmaVersion: 5,
+      sourceType: 'script',
+
+      parserOptions: {
+        project: ['./tsconfig.json'],
+      },
+    },
+
+    rules: {
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/strict-boolean-expressions': 'off',
+      '@typescript-eslint/no-unsafe-call': 'off',
+      '@typescript-eslint/no-unsafe-member-access': 'off',
+      '@typescript-eslint/no-unsafe-assignment': 'off',
+      '@typescript-eslint/explicit-module-boundary-types': 'off',
+      '@typescript-eslint/no-unsafe-return': 'off',
+      '@typescript-eslint/no-empty-interface': 'off',
+      '@typescript-eslint/no-non-null-assertion': 'off',
+    },
+  },
+])

package.json

@@ -41,25 +41,28 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@types/chai": "^4.3.12",
-    "@types/mocha": "^10.0.6",
-    "@typescript-eslint/eslint-plugin": "^7.2.0",
-    "@typescript-eslint/parser": "^7.2.0",
-    "antlr4": "^4.13.1-patch-1",
-    "browserslist": "^4.23.0",
-    "chai": "^4.4.1",
-    "esbuild": "^0.20.1",
-    "esbuild-plugin-browserslist": "^0.11.1",
-    "eslint": "^8.57.0",
-    "karma": "^6.4.3",
+    "@eslint/eslintrc": "^3.3.1",
+    "@eslint/js": "^9.24.0",
+    "@types/chai": "^4.3.20",
+    "@types/mocha": "^10.0.10",
+    "@typescript-eslint/eslint-plugin": "^8.30.1",
+    "@typescript-eslint/parser": "^8.30.1",
+    "antlr4": "^4.13.2",
+    "browserslist": "^4.24.4",
+    "chai": "^4.5.0",
+    "esbuild": "^0.25.2",
+    "esbuild-plugin-browserslist": "^0.16.0",
+    "eslint": "^9.24.0",
+    "globals": "^16.0.0",
+    "karma": "^6.4.4",
     "karma-chrome-launcher": "^3.2.0",
     "karma-mocha": "^2.0.1",
-    "mocha": "^10.3.0",
-    "nyc": "^15.1.0",
-    "prettier": "^3.2.5",
-    "puppeteer": "^22.4.1",
+    "mocha": "^11.1.0",
+    "nyc": "^17.1.0",
+    "prettier": "^3.5.3",
+    "puppeteer": "^24.6.1",
     "ts-node": "^10.9.2",
-    "typescript": "^5.4.2"
+    "typescript": "^5.8.3"
   },
   "nyc": {
     "extension": [

src/parser.ts

@@ -144,6 +144,6 @@ export function visit(
   const selector = (node.type + ':exit') as `${ASTNodeTypeString}:exit`
   if (visitor[selector] !== undefined) {
     // TODO can we avoid this `as never`
-    visitor[selector]!(node as never, nodeParent)
+    visitor[selector](node as never, nodeParent)
   }
 }