Create an eslint workflow (#51)

.github/workflows/eslint.yml

@@ -0,0 +1,36 @@
+name: ESLint
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  eslint:
+    name: Run eslint scanning
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+      actions: read
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install ESLint
+        run: |
+          npm install eslint@latest 
+          npm install @microsoft/eslint-formatter-sarif@latest
+
+      - name: Run ESLint
+        env:
+          SARIF_ESLINT_IGNORE_SUPPRESSED: "true"
+        run: npx eslint . --format @microsoft/eslint-formatter-sarif --output-file eslint-results.sarif
+        continue-on-error: true
+
+      - name: Upload analysis results to GitHub
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: eslint-results.sarif
+          wait-for-processing: true

eslint.config.js

@@ -0,0 +1,47 @@
+const globals = require('globals');
+const js = require('@eslint/js');
+
+module.exports = [
+    js.configs.recommended,
+    {
+        languageOptions: {
+            globals: {
+                ...globals.browser,
+                ...globals.jest,
+            },
+            parserOptions: {
+                'ecmaVersion': 'latest'
+            },
+        },
+        ignores: [
+            'build'
+        ],
+        rules: {
+            indent: [
+                'error',
+                4
+            ],
+            'linebreak-style': [
+                'error',
+                'windows'
+            ],
+            quotes: [
+                'error',
+                'single'
+            ],
+            semi: [
+                'error',
+                'always'
+            ],
+            'no-undef': 'off',
+            'no-unused-vars': 'off'
+        }
+    },
+    {
+        files: ['packed.js'],
+        rules: {
+            'no-unused-vars': 'error',
+            'no-undef': 'error'
+        }
+    }
+];

gulpfile.mjs

@@ -1,34 +1,34 @@
-import gulp from 'gulp';
-import zip from 'gulp-zip';
-import {deleteAsync, deleteSync} from 'del';
-
-const FILES = [
-    'icons/**/*',
-    'background.js',
-    'index.js',
-    'manifest.json',
-    'packed.js',
-    'popup.html',
-    'popup.js',
-    'popup.css',
-];
-
-const BUILD_PATH = 'build';
-const EXTENSION_FILENAME = 'whatsapp-web-plus'
-
-export function clean() {
-    return deleteAsync(BUILD_PATH);
-}
-
-export function packed() {
-    return gulp.src(FILES, { base: '.' })
-        .pipe(zip(EXTENSION_FILENAME + '.zip'))
-        .pipe(gulp.dest(BUILD_PATH));
-}
-
-export function unpacked() {
-    return gulp.src(FILES, { base: '.' })
-        .pipe(gulp.dest(BUILD_PATH + '/' + EXTENSION_FILENAME));
-}
-
-gulp.task('default', gulp.series(clean, unpacked, packed));
+import gulp from 'gulp';
+import zip from 'gulp-zip';
+import {deleteAsync, deleteSync} from 'del';
+
+const FILES = [
+    'icons/**/*',
+    'background.js',
+    'index.js',
+    'manifest.json',
+    'packed.js',
+    'popup.html',
+    'popup.js',
+    'popup.css',
+];
+
+const BUILD_PATH = 'build';
+const EXTENSION_FILENAME = 'whatsapp-web-plus';
+
+export function clean() {
+    return deleteAsync(BUILD_PATH);
+}
+
+export function packed() {
+    return gulp.src(FILES, { base: '.' })
+        .pipe(zip(EXTENSION_FILENAME + '.zip'))
+        .pipe(gulp.dest(BUILD_PATH));
+}
+
+export function unpacked() {
+    return gulp.src(FILES, { base: '.' })
+        .pipe(gulp.dest(BUILD_PATH + '/' + EXTENSION_FILENAME));
+}
+
+gulp.task('default', gulp.series(clean, unpacked, packed));