Add linting GitHub Action workflows

.github/workflows/eslint.yml

@@ -0,0 +1,43 @@
+name: JS Linting
+
+on:
+  push:
+    branches:
+      - develop
+      - trunk
+    paths:
+      - '**.js'
+  pull_request:
+    branches:
+      - develop
+    paths:
+      - '**.js'
+
+jobs:
+  eslint:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Setup node and npm cache
+      uses: actions/setup-node@v3
+      with:
+        node-version-file: .nvmrc
+        cache: npm
+
+    - name: Install Node dependencies
+      run: npm ci --omit=optional --force # Using force here to get the proper version of eslint-plugin-prettier installed, as the version @10up/eslint-config requires has a bug.
+
+    - name: Get updated JS files
+      id: changed-files
+      uses: tj-actions/changed-files@v39
+      with:
+        files: |
+          **/*.js
+
+    - name: Run JS linting
+      if: ${{ steps.changed-files.outputs.any_changed == 'true' }}
+      run: |
+        npx 10up-toolkit lint-js ${{ steps.changed-files.outputs.all_changed_files }}

.github/workflows/phpcs.yml

@@ -0,0 +1,54 @@
+name: PHP Linting
+
+on:
+  push:
+    branches:
+      - develop
+      - trunk
+    paths:
+      - '**.php'
+  pull_request:
+    branches:
+      - develop
+    paths:
+      - '**.php'
+
+jobs:
+  phpcs:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Setup proper PHP version
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: 7.4
+
+    - name: Get composer cache directory
+      id: composer-cache
+      run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+    - name: Cache dependencies
+      uses: actions/cache@v3
+      with:
+        path: ${{ steps.composer-cache.outputs.dir }}
+        key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+        restore-keys: ${{ runner.os }}-composer-
+
+    - name: Get changed files
+      id: changed-files
+      uses: tj-actions/changed-files@v39
+      with:
+        files: |
+          **/*.php
+
+    - name: Install dependencies
+      run: composer install --prefer-dist
+
+    - name: Run PHP_CodeSniffer
+      run: |
+        HEAD_REF=$(git rev-parse HEAD)
+        git checkout $HEAD_REF
+        ./vendor/bin/phpcs-changed -s --git --git-base origin/${{ github.base_ref }} ${{ steps.changed-files.outputs.all_changed_files }}

autoload.php

@@ -1,4 +1,9 @@
 <?php
+/**
+ * Autoloader for the Block Catalog plugin.
+ *
+ * @package BlockCatalog
+ */
 
 namespace BlockCatalog;
 
@@ -111,9 +116,7 @@ protected function load_mapped_file( $prefix, $relative_class ) {
 			// replace the namespace prefix with the base directory,
 			// replace namespace separators with directory separators
 			// in the relative class name, append with .php
-			$file = $base_dir
-				  . str_replace( '\\', '/', $relative_class )
-				  . '.php';
+			$file = $base_dir . str_replace( '\\', '/', $relative_class ) . '.php';
 
 			// if the mapped file exists, require it
 			if ( $this->require_file( $file ) ) {

composer.json

@@ -22,7 +22,8 @@
     "10up/phpcs-composer": "dev-master",
     "squizlabs/php_codesniffer": "~3.7.1",
     "yoast/phpunit-polyfills": "^1.0",
-    "phpunit/phpunit": "~7.5.0"
+    "phpunit/phpunit": "~7.5.0",
+    "sirbrillig/phpcs-changed": "^2.11"
   },
   "autoload": {
     "psr-4": {