Update and rename .eslintrc.yml to eslint.config.js

.github/linters/.eslintrc.yml

@@ -1,47 +0,0 @@
-env:
-  es6: true
-  node: true
-  jest: true
-
-globals:
-  Atomics: readonly
-  SharedArrayBuffer: readonly
-
-ignorePatterns:
-  - '!.*'
-  - '**/node_modules/.*'
-  - '**/dist/.*'
-  - '**/coverage/.*'
-  - '*.json'
-
-parser: '@babel/eslint-parser'
-
-parserOptions:
-  ecmaVersion: 2023
-  sourceType: module
-  requireConfigFile: false
-  babelOptions:
-    babelrc: false
-    configFile: false
-    presets:
-      - jest
-
-plugins:
-  - jest
-
-extends:
-  - eslint:recommended
-  - plugin:github/recommended
-  - plugin:jest/recommended
-
-rules:
-  camelcase: off
-  eslint-comments/no-use: off
-  eslint-comments/no-unused-disable: off
-  i18n-text/no-en: off
-  import/no-commonjs: error    # Enforce ES modules only
-  import/no-namespace: off
-  no-console: off
-  no-unused-vars: off
-  prettier/prettier: error
-  semi: off

.github/linters/eslint.config.js

@@ -0,0 +1,59 @@
+import js from "@eslint/js";
+import github from "eslint-plugin-github";
+import jest from "eslint-plugin-jest";
+import babelParser from "@babel/eslint-parser";
+import prettier from "eslint-plugin-prettier";
+
+// ESLint flat config expects an array of config objects
+export default [
+  {
+    files: ["**/*.js", "**/*.mjs", "**/*.cjs"],
+    ignores: [
+      "!.*",
+      "**/node_modules/**",
+      "**/dist/**",
+      "**/coverage/**",
+      "*.json",
+    ],
+    languageOptions: {
+      ecmaVersion: 2023,
+      sourceType: "module",
+      globals: {
+        Atomics: "readonly",
+        SharedArrayBuffer: "readonly",
+      },
+      parser: babelParser,
+      parserOptions: {
+        ecmaVersion: 2023,
+        sourceType: "module",
+        requireConfigFile: false,
+        babelOptions: {
+          babelrc: false,
+          configFile: false,
+          presets: ["jest"],
+        },
+      },
+    },
+    plugins: {
+      github,
+      jest,
+      prettier,
+    },
+    rules: {
+      camelcase: "off",
+      "eslint-comments/no-use": "off",
+      "eslint-comments/no-unused-disable": "off",
+      "i18n-text/no-en": "off",
+      "import/no-commonjs": "error", // Enforce ES modules only
+      "import/no-namespace": "off",
+      "no-console": "off",
+      "no-unused-vars": "off",
+      "prettier/prettier": "error",
+      semi: "off",
+    },
+    settings: {},
+  },
+  js.configs.recommended,
+  github.configs.recommended,
+  jest.configs.recommended,
+];