Merge pull request #139 from babel/eslint-9

Update to ESLint 9

eslint.config.mjs

@@ -0,0 +1,39 @@
+import globals from "globals";
+import js from "@eslint/js";
+
+export default [
+  {
+    files: ["**/*.js", "**/*.mjs"],
+  },
+  js.configs.recommended,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+      },
+    },
+
+    rules: {
+      indent: [
+        "warn",
+        2,
+        {
+          SwitchCase: 1,
+        },
+      ],
+
+      "space-infix-ops": [
+        "warn",
+        {
+          int32Hint: false,
+        },
+      ],
+
+      "no-cond-assign": ["off"],
+      "no-useless-escape": ["off"],
+      "no-empty": ["off"],
+      "no-unused-vars": ["error", { "caughtErrors": "none" }],
+    },
+  },
+];

package.json

@@ -12,7 +12,7 @@
     "url": "[email protected]:jviereck/regjsparser.git"
   },
   "scripts": {
-    "lint": "eslint --ext .js --max-warnings 0 .",
+    "lint": "eslint --max-warnings 0 .",
     "test": "run-p test:* && npm run lint",
     "test:src": "node test/index.js",
     "test:types": "tsc test/types.ts --noEmit"
@@ -28,7 +28,8 @@
     "jsesc": "~0.5.0"
   },
   "devDependencies": {
-    "eslint": "^8.8.0",
+    "eslint": "^9.10.0",
+    "globals": "^15.9.0",
     "npm-run-all": "^4.1.5",
     "regenerate": "~1.0.1",
     "typescript": "^4.5.2",