Update eslint to v9

History.md

@@ -4,6 +4,7 @@
 * Add newer Meteor versions to `versionsFrom`
 * Minimum Meteor version is 2.8.1
 * Updated for Meteor 3
+* Updated to eslint v9
 
 ## v1.1.0
 

eslint.config.mjs

@@ -0,0 +1,43 @@
+import globals from 'globals';
+import babelParser from '@babel/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 [{
+    ignores: ["node_modules/*", "packages/*", "**/phantom_runner.js", "**/start_test.js", "**/eslint.config.mjs"],
+}, ...compat.extends("eslint:recommended"), {
+    languageOptions: {
+        globals: {
+            ...globals.node,
+            ...globals.commonjs,
+            Atomics: "readonly",
+            SharedArrayBuffer: "readonly",
+        },
+
+        parser: babelParser,
+        ecmaVersion: 2018,
+        sourceType: "module",
+
+        parserOptions: {
+            allowImportExportEverywhere: true,
+            requireConfigFile: false,
+        },
+    },
+
+    rules: {
+        "linebreak-style": ["error", "unix"],
+        quotes: ["error", "single"],
+        semi: ["error", "always"],
+        "no-console": "off",
+    },
+}];