switch to eslint 9 with flat config

Author: husayt

eslint.config.js

@@ -0,0 +1,78 @@
+import jsLint from "@eslint/js"
+import stylistic from "@stylistic/eslint-plugin"
+import globals from "globals"
+import tsLint from "typescript-eslint"
+// 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 [
+  // config parsers
+  {
+    files: ["src/*.{js,mjs,cjs,ts,mts,jsx,tsx}"]
+  },
+
+  {
+    files: ["tests/*.{js,mjs,cjs,ts,mts,jsx,tsx}"],
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+        ...globals.mocha,
+        ...globals.jest
+      }
+    }
+  },
+  // config envs
+  {
+    languageOptions: {
+      globals: {
+        ...globals.browser, ...globals.node
+      }
+    }
+  },
+  // syntax rules
+  jsLint.configs.recommended,
+  ...tsLint.configs.recommended,
+  // code style rules
+  // disable legacy conflict rules about code style
+  stylistic.configs["disable-legacy"],
+  // you can customize or use a preset
+  stylistic.configs.customize({
+    indent: 2,
+    quotes: "double",
+    semi: false,
+    commaDangle: "never"
+  })
+  //     {
+  //     ignores: [
+  //         "**/node_modules/",
+  //         "**/dist/",
+  //         "**/lib_cjs/",
+  //         "**/lib_es/",
+  //         "**/exampless/",
+  //     ],
+  // },
+  // ...compat.extends(
+  //     "eslint:recommended",
+  //     "plugin:@typescript-eslint/recommended",
+  // ), {
+  //     plugins: {
+  //         "@typescript-eslint": typescriptEslint,
+  //     },
+
+  // rules: {
+  //     "no-undef": "error",
+  //     "no-var": "error",
+  //     "prefer-const": "error",
+  //     "no-const-assign": "error",
+  //     "one-var": ["error", "never"],
+  //     "sort-imports": "off",
+  //     "no-control-regex": "off",
+  // },
+  // }
+]