adding eslint.config.js

Author: dev-javascript

eslint.config.js

@@ -0,0 +1,58 @@
+const prettier = require('eslint-plugin-prettier');
+const globals = require('globals');
+const babelParser = require('@babel/eslint-parser');
+const path = require('path');
+const {fileURLToPath} = require('url');
+const js = require('@eslint/js');
+const {FlatCompat} = require('@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,
+});
+// Fix TypeError Key "languageOptions": Key "globals": Global "AudioWorkletGlobalScope " has leading or trailing whitespace.
+const GLOBALS_BROWSER_FIX = Object.assign({}, globals.browser, {
+  AudioWorkletGlobalScope: globals.browser['AudioWorkletGlobalScope '],
+});
+delete GLOBALS_BROWSER_FIX['AudioWorkletGlobalScope '];
+
+module.exports = [
+  ...compat.extends('eslint:recommended', 'plugin:prettier/recommended'),
+  {
+    plugins: {
+      prettier,
+    },
+
+    languageOptions: {
+      globals: {
+        ...GLOBALS_BROWSER_FIX,
+        ...globals.node,
+        ...globals.jest,
+      },
+
+      parser: babelParser,
+      ecmaVersion: 12,
+      sourceType: 'commonjs',
+
+      parserOptions: {
+        ecmaFeatures: {
+          //jsx: true,
+        },
+
+        allowImportExportEverywhere: false,
+      },
+    },
+
+    rules: {
+      'prettier/prettier': [
+        'error',
+        {
+          endOfLine: 'auto',
+        },
+      ],
+    },
+  },
+];