Prepare for jQuery 4.

Author: mrcgrtz

.github/workflows/test.yml

@@ -5,36 +5,81 @@ on:
     branches: [ main ]
   pull_request:
     branches: [ main ]
+    workflow_dispatch: # Allow manual workflow execution
+
+# Allow only one running workflow per branch
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   test:
+    name: Test (Node.js ${{ matrix.node-version }})
     runs-on: ubuntu-latest
+    timeout-minutes: 10
 
     strategy:
+      fail-fast: false # Test all Node versions even if one fails
       matrix:
-        node-version: [lts/*, current]
+        node-version: [lts/hydrogen, lts/iron, lts/*, current]
 
     steps:
     - name: Checkout
       uses: actions/checkout@v5
+      with:
+        # For better coverage reports
+        fetch-depth: 0
 
-    - name: Use Node.js ${{ matrix.node-version }}
+    - name: Setup Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v5
       with:
         node-version: ${{ matrix.node-version }}
+        cache: 'npm'
 
     - name: Install dependencies
-      run: npm ci
+      run: npm ci --prefer-offline --no-audit
 
     - name: Analyze JavaScript files
       run: npm run-script lint
 
     - name: Run test suite
-      run: |
-        npm test
-        npm run-script coverage
+      run: npm test
+
+    - name: Generate coverage report
+      run: npm run-script coverage
 
-    - name: Push coverage report
-      uses: coverallsapp/github-action@master
+    - name: Upload coverage report to Coveralls
+      if: matrix.node-version == 'lts/*' # Only upload once
+      uses: coverallsapp/github-action@v2
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
+        path-to-lcov: ./coverage/lcov.info
+
+  jquery-compatibility:
+    name: jQuery Compatibility Tests
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    strategy:
+      fail-fast: false
+      matrix:
+        jquery-version: ['3.7.1', '4.0.0-rc.1']
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v5
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v5
+      with:
+        node-version: 'lts/*'
+        cache: 'npm'
+
+    - name: Install dependencies
+      run: npm ci --prefer-offline --no-audit
+
+    - name: Install jQuery ${{ matrix.jquery-version }}
+      run: npm install jquery@${{ matrix.jquery-version }}
+
+    - name: Run test suite with jQuery ${{ matrix.jquery-version }}
+      run: npm test

README.md

@@ -45,7 +45,7 @@ The most common use case would be:
 ```html
 <p><a href="https://example.com/" title="example.com">Go to example site</a>
 
-<script src="http://code.jquery.com/jquery-3.6.0.slim.min.js"></script>
+<script src="http://code.jquery.com/jquery-4.0.0.slim.min.js"></script>
 <script src="jquery.externalize.js"></script>
 <script>
 $('a[href*="//"]').externalize();
@@ -63,7 +63,7 @@ Another use case: Opening PDF files in a new window.
 ```html
 <p><a href="/download/sample.pdf">Download PDF</a>
 
-<script src="http://code.jquery.com/jquery-3.6.0.slim.min.js"></script>
+<script src="http://code.jquery.com/jquery-4.0.0.slim.min.js"></script>
 <script src="jquery.externalize.js"></script>
 <script>
 $('a[href$=".pdf"]').externalize({

jquery.externalize.js

@@ -5,7 +5,7 @@
  *
  * @see https://github.com/mrcgrtz/jquery-externalize
  * @author Marc Görtz (https://marcgoertz.de/)
- * @copyright 2011-2017
+ * @copyright 2011-2025
  * @license MIT License
  * @example $('a[href*="//"], a[rel="external"]').externalize();
  * @param options Configuration object (see defaults in plugin function)
@@ -27,11 +27,12 @@ $.fn.externalize = function( options ) {
 
 		// save item and some useful information about it
 		var $this = $( this ),
-		isLink = $this.get( 0 ).nodeName === "A" || $this.get( 0 ).nodeName === "AREA",
+		nodeName = this.nodeName,
+		isLink = nodeName === "A" || nodeName === "AREA",
 		hasHref = $this.attr( "href" ),
 
 		// if any options were supplied, apply them to the configuration object
-		config = $.extend( defaults, options );
+		config = $.extend( {}, defaults, options );
 
 		// is this really a link with an "href" attribute?
 		if ( isLink && hasHref ) {

package-lock.json

@@ -30,10 +30,10 @@
     "eslint-config-jquery": "^3.0.0",
     "eslint-formatter-pretty": "^5.0.0",
     "globals": "^16.0.0",
-    "jquery": "^3.7.1",
+    "jquery": "4.0.0-rc.1",
     "jsdom": "^26.0.0"
   },
   "peerDependencies": {
-    "jquery": "^1.7.0 || ^2 || ^3"
+    "jquery": "^1.7.0 || ^2 || ^3 || ^4"
   }
 }