Merge pull request #21236 from marcofugaro/eslint-class-properties-fix

Eslint: add support for class properties

Author: mrdoob

package-lock.json

@@ -26,6 +26,12 @@
     "test": "test"
   },
   "eslintConfig": {
+    "parser": "@babel/eslint-parser",
+    "parserOptions": {
+      "babelOptions": {
+        "configFile": "./utils/build/babel.config.json"
+      }
+    },
     "root": true,
     "extends": "mdcs",
     "plugins": [
@@ -83,6 +89,7 @@
   "homepage": "https://threejs.org/",
   "devDependencies": {
     "@babel/core": "^7.12.10",
+    "@babel/eslint-parser": "^7.12.13",
     "@babel/plugin-proposal-class-properties": "^7.12.1",
     "@babel/preset-env": "^7.12.11",
     "@rollup/plugin-babel": "^5.2.2",
@@ -107,4 +114,4 @@
     ],
     "directories": {}
   }
-}
+}

package.json

@@ -0,0 +1,21 @@
+{
+	"presets": [
+		[
+			"@babel/preset-env",
+			{
+				"modules": false,
+				"targets": ">0.3%, not dead",
+				"loose": true,
+				"bugfixes": true
+			}
+		]
+	],
+	"plugins": [
+		[
+			"@babel/plugin-proposal-class-properties",
+			{
+				"loose": true
+			}
+		]
+	]
+}

utils/build/babel.config.json

@@ -1,16 +1,7 @@
 import babel from '@rollup/plugin-babel';
 import { nodeResolve } from '@rollup/plugin-node-resolve';
 import { terser } from 'rollup-plugin-terser';
-
-if ( String.prototype.replaceAll === undefined ) {
-
-	String.prototype.replaceAll = function ( find, replace ) {
-
-		return this.split( find ).join( replace );
-
-	};
-
-}
+import babelrc from './babel.config.json';
 
 function glconstants() {
 
@@ -294,30 +285,6 @@ function polyfills() {
 
 }
 
-const babelrc = {
-	presets: [
-		[
-			'@babel/preset-env',
-			{
-				modules: false,
-				// the supported browsers of the three.js browser bundle
-				// https://browsersl.ist/?q=%3E0.3%25%2C+not+dead
-				targets: '>0.3%, not dead',
-				loose: true,
-				bugfixes: true,
-			},
-		],
-	],
-	plugins: [
-		[
-			'@babel/plugin-proposal-class-properties',
-			{
-				loose: true
-			}
-		]
-	]
-};
-
 export default [
 	{
 		input: 'src/Three.js',