chore(deps): migrate to ESLint 9 and include planet code in linting (#5386)

Author: vanshika2720

.eslintignore

@@ -1,56 +1,56 @@
-name: Auto-convert PO to JSON and commit
-
-on:
-  push:
-    paths:
-      - 'po/**/*.po'
-
-jobs:
-  convert-and-commit:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          persist-credentials: true
-          fetch-depth: 0
-
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.x'
-
-      - name: Find changed .po files
-        id: find_po
-        run: |
-          git diff --name-only ${{ github.event.before }} ${{ github.sha }} | grep '^po/.*\.po$' > changed_po_files.txt || true
-          cat changed_po_files.txt
-          echo "po_files<<EOF" >> $GITHUB_OUTPUT
-          echo "$(cat changed_po_files.txt)" >> $GITHUB_OUTPUT
-          echo "EOF" >> $GITHUB_OUTPUT
-
-      - name: Run conversion script
-        if: steps.find_po.outputs.po_files != ''
-        run: |
-          mkdir -p locales
-          while IFS= read -r po_file; do
-            echo "▶ Converting $po_file"
-            python3 convert_po_to_json.py "$po_file" "locales"
-          done < changed_po_files.txt
-
-      - name: Commit and push updated JSON
-        if: steps.find_po.outputs.po_files != ''
-        run: |
-          git config --global user.name "github-actions[bot]"
-          git config --global user.email "github-actions[bot]@users.noreply.github.com"
-          
-          git add locales/*.json
-
-          if git diff --cached --quiet; then
-            echo "✅ No JSON changes to commit."
-          else
-            git commit -m "chore(i18n): auto-update JSON files from updated PO files"
-            git push origin ${{ github.ref }}
-            echo "🚀 Pushed updated JSON files."
-          fi
+name: Auto-convert PO to JSON and commit
+
+on:
+  push:
+    paths:
+      - 'po/**/*.po'
+
+jobs:
+  convert-and-commit:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: true
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+
+      - name: Find changed .po files
+        id: find_po
+        run: |
+          git diff --name-only ${{ github.event.before }} ${{ github.sha }} | grep '^po/.*\.po$' > changed_po_files.txt || true
+          cat changed_po_files.txt
+          echo "po_files<<EOF" >> $GITHUB_OUTPUT
+          echo "$(cat changed_po_files.txt)" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+
+      - name: Run conversion script
+        if: steps.find_po.outputs.po_files != ''
+        run: |
+          mkdir -p locales
+          while IFS= read -r po_file; do
+            echo "▶ Converting $po_file"
+            python3 convert_po_to_json.py "$po_file" "locales"
+          done < changed_po_files.txt
+
+      - name: Commit and push updated JSON
+        if: steps.find_po.outputs.po_files != ''
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+          
+          git add locales/*.json
+
+          if git diff --cached --quiet; then
+            echo "✅ No JSON changes to commit."
+          else
+            git commit -m "chore(i18n): auto-update JSON files from updated PO files"
+            git push origin ${{ github.ref }}
+            echo "🚀 Pushed updated JSON files."
+          fi

.eslintrc.json

@@ -0,0 +1,71 @@
+import js from '@eslint/js';
+import globals from 'globals';
+import babelParser from '@babel/eslint-parser';
+import prettierConfig from 'eslint-config-prettier';
+
+export default [
+    js.configs.recommended,
+    prettierConfig,
+    {
+        ignores: [
+            '**/node_modules/**',
+            '**/lib/**',
+            '**/dist/**',
+            '**/build/**',
+            '**/coverage/**',
+            '**/*.min.js',
+            '**/bower_components/**',
+            '**/planet/libs/**',
+        ],
+    },
+    {
+        linterOptions: {
+            reportUnusedDisableDirectives: 'off',
+        },
+    },
+    {
+        files: ['**/*.js', '**/*.mjs'],
+        languageOptions: {
+            ecmaVersion: 'latest',
+            sourceType: 'script',
+            parser: babelParser,
+            parserOptions: {
+                requireConfigFile: false,
+                ecmaFeatures: {
+                    globalReturn: false,
+                },
+            },
+            globals: {
+                ...globals.browser,
+                ...globals.node,
+                ...globals.jest,
+                ...globals.jquery,
+                // Add specific Music Blocks globals if needed
+                Logo: 'readonly',
+                Blocks: 'readonly',
+                Turtles: 'readonly',
+                Activity: 'readonly',
+                _: 'readonly', // i18n
+            },
+        },
+        rules: {
+            'no-console': 'off',
+            'no-unused-vars': 'off',
+            'no-use-before-define': 'off',
+            'prefer-const': 'off',
+            'no-undef': 'off',
+            'no-redeclare': 'off',
+            'semi': ['error', 'always'],
+            'no-duplicate-case': 'error',
+            'no-irregular-whitespace': 'warn',
+            'no-prototype-builtins': 'off',
+            'no-useless-escape': 'off',
+            'no-inner-declarations': 'off',
+            'no-constant-assign': 'off',
+            'no-const-assign': 'off',
+            'no-dupe-keys': 'off',
+            'no-useless-catch': 'off',
+            'no-loss-of-precision': 'off',
+        },
+    },
+];