fix: detect nodes added by prepend

AriPerkkio · Mar 28, 2021 · 0b8e95d · 0b8e95d
1 parent 11d9fbf
commit 0b8e95d
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diff --git a/src/to-be-announced.ts b/src/to-be-announced.ts
@@ -175,6 +175,7 @@ export function register(
             interceptMethod(Element.prototype, 'insertAdjacentElement', onNodeMount),
             interceptMethod(Element.prototype, 'before', onNodeMount),
             interceptMethod(Element.prototype, 'append', onNodeMount),
+            interceptMethod(Element.prototype, 'prepend', onNodeMount),
             interceptMethod(Node.prototype, 'appendChild', onNodeMount),
             interceptMethod(Node.prototype, 'insertBefore', onNodeMount),
             interceptMethod(Node.prototype, 'replaceChild', onNodeMount),

diff --git a/test/to-be-announced.dom.test.ts b/test/to-be-announced.dom.test.ts
@@ -194,5 +194,15 @@ ASSERTIVE_CASES.forEach(({ name, value }) => {
 
             expect('Hello world').toBeAnnounced();
         });
+
+        test('should announce when content is added with `prepend`', async () => {
+            const parent = document.createElement('div');
+            appendToRoot(parent);
+
+            element.textContent = 'Hello world';
+            parent.prepend(element);
+
+            expect('Hello world').toBeAnnounced();
+        });
     });
 });