Unify CS and add CI linter

Author: mvorisek

.eslintrc.js

@@ -0,0 +1,29 @@
+module.exports = {
+    env: {
+        browser: true,
+        es6: true,
+    },
+    extends: [
+    ],
+    parserOptions: {
+        ecmaVersion: '2020',
+        sourceType: 'module',
+    },
+    ignorePatterns: [
+        '/dist',
+    ],
+    rules: {
+        indent: ['error', 4, { SwitchCase: 1 }],
+        'key-spacing': ['error', { beforeColon: false, afterColon: true }],
+        curly: ['error', 'all'],
+        quotes: ['error', 'single', { avoidEscape: true }],
+        'comma-dangle': ['error', {
+            arrays: 'always-multiline',
+            objects: 'always-multiline',
+            functions: 'never',
+            imports: 'always-multiline',
+            exports: 'always-multiline',
+        }],
+    },
+    reportUnusedDisableDirectives: true,
+};

.github/workflows/ci.yml

@@ -1,9 +1,19 @@
 name: CI
-on: [pull_request]
+on: [push, pull_request]
 permissions:
   contents: read
 
 jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-node@v3
+    - name: Install dependencies
+      run: yarn
+    - name: Lint JS files
+      run: npm run lint
   test:
     name: Test build process on node ${{ matrix.node-version }}
     runs-on: ubuntu-latest
@@ -13,13 +23,13 @@ jobs:
         node-version: [12, 14, 16, 18]
     steps:
     - uses: actions/checkout@v3
-    - name: Use Node.js ${{ matrix.node-version }}
+    - name: Setup Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}
     - name: pre-install
       run: sh ./scripts/preinstall.sh
-    - name: install dependencies
+    - name: Install dependencies
       run: yarn
     - name: pre fomantic install & gulp build
       run: yarn gulp install