eslint to work with fields in classes

Author: gfwilliams

.eslintrc.js

@@ -7,8 +7,10 @@ module.exports = {
   },
 
   parserOptions: {
-    ecmaVersion: 8,
+    ecmaVersion: 11,
+    "requireConfigFile": false
   },
+  parser: "@babel/eslint-parser", // needed for fields in classes
 
   globals: {
     chrome: "readonly", // Chromium specific browser global

package.json

@@ -52,6 +52,7 @@
   },
   "homepage": "https://github.com/espruino/EspruinoTools#readme",
   "devDependencies": {
+    "@babel/eslint-parser": "^7.27.1",
     "@types/node": "^22.14.1",
     "eslint": "^8.57.1",
     "typescript": "^5.8.3"