Bump the eslint group across 1 directory with 4 updates (#44)

* Bump the eslint group across 1 directory with 4 updates

Bumps the eslint group with 4 updates in the / directory: [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin), [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser), [eslint](https://github.com/eslint/eslint) and [eslint-plugin-mocha](https://github.com/lo1tuma/eslint-plugin-mocha).


Updates `@typescript-eslint/eslint-plugin` from 7.7.1 to 8.9.0
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v8.9.0/packages/eslint-plugin)

Updates `@typescript-eslint/parser` from 7.7.1 to 8.9.0
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/parser/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v8.9.0/packages/parser)

Updates `eslint` from 8.57.0 to 9.12.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v8.57.0...v9.12.0)

Updates `eslint-plugin-mocha` from 10.4.3 to 10.5.0
- [Release notes](https://github.com/lo1tuma/eslint-plugin-mocha/releases)
- [Changelog](https://github.com/lo1tuma/eslint-plugin-mocha/blob/10.5.0/CHANGELOG.md)
- [Commits](lo1tuma/eslint-plugin-mocha@10.4.3...10.5.0)

---
updated-dependencies:
- dependency-name: "@typescript-eslint/eslint-plugin"
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: eslint
- dependency-name: "@typescript-eslint/parser"
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: eslint
- dependency-name: eslint
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: eslint
- dependency-name: eslint-plugin-mocha
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: eslint
...

Signed-off-by: dependabot[bot] <[email protected]>

* migrate to eslint 9 and lint in CI

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Momtchil Momtchev <[email protected]>

.github/workflows/run.yml

@@ -2,6 +2,21 @@ name: 'CI'
 on: [pull_request, push]
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    name: Lint
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+    - name: Install dependencies
+      run: npm ci
+    - name: Lint
+      run: npm run lint
+
+
   swig:
     runs-on: ubuntu-latest
     name: Generate the SWIG wrappers

eslint.config.mjs

@@ -0,0 +1,80 @@
+import mocha from 'eslint-plugin-mocha';
+import globals from 'globals';
+import typescriptEslint from '@typescript-eslint/eslint-plugin';
+import tsParser from '@typescript-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: ['test/browser/build/*', 'build/*', 'lib/binding/*'],
+}, ...compat.extends('eslint:recommended'), {
+    plugins: {
+        mocha,
+    },
+
+    languageOptions: {
+        globals: {
+            ...globals.mocha,
+            ...globals['shared-node-browser'],
+            __karma__: true,
+            process: true,
+        },
+
+        ecmaVersion: 2020,
+        sourceType: 'module',
+    },
+
+    rules: {
+        semi: [2, 'always'],
+        quotes: ['error', 'single'],
+    },
+}, ...compat.extends(
+    'eslint:recommended',
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended',
+).map(config => ({
+    ...config,
+    files: ['test/*.ts'],
+})), {
+    files: ['test/*.ts'],
+
+    plugins: {
+        '@typescript-eslint': typescriptEslint,
+    },
+
+    languageOptions: {
+        parser: tsParser,
+    },
+
+    rules: {
+        '@typescript-eslint/ban-ts-comment': 'off',
+    },
+}, {
+    files: ['**/*.cjs'],
+
+    languageOptions: {
+        ecmaVersion: 2015,
+        sourceType: 'commonjs',
+        globals: {
+            ...globals.node
+        }
+    },
+}, {
+    files: ['test/browser/*.js'],
+
+    languageOptions: {
+        globals: {
+            ...globals.browser,
+        },
+    },
+}];