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support the composed option of getRootNode()

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This commit is contained in:
Karl Seguin
2025-10-16 19:08:33 +08:00
parent cc0c1bcf3a
commit 288379aa7d
2 changed files with 41 additions and 8 deletions
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21
src/tests/dom/node.html
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@@ -7,6 +7,7 @@
<p id="para"> And</p>
<!--comment-->
</div>
<div id="rootNodeComposed"></div>
</body>
<script src="../testing.js"></script>
@@ -36,6 +37,26 @@ let first_child = content.firstChild.nextSibling; // nextSibling because of line
testing.expectEqual('HTMLDocument', content.getRootNode().__proto__.constructor.name);
</script>
<script id=getRootNodeComposed>
const testContainer = $('#rootNodeComposed');
const shadowHost = document.createElement('div');
testContainer.appendChild(shadowHost);
const shadowRoot = shadowHost.attachShadow({ mode: 'open' });
const shadowChild = document.createElement('span');
shadowRoot.appendChild(shadowChild);
testing.expectEqual('ShadowRoot', shadowChild.getRootNode().__proto__.constructor.name);
testing.expectEqual('ShadowRoot', shadowChild.getRootNode({ composed: false }).__proto__.constructor.name);
testing.expectEqual('HTMLDocument', shadowChild.getRootNode({ composed: true }).__proto__.constructor.name);
testing.expectEqual('HTMLDocument', shadowHost.getRootNode().__proto__.constructor.name);
const disconnected = document.createElement('div');
const disconnectedChild = document.createElement('span');
disconnected.appendChild(disconnectedChild);
testing.expectEqual('HTMLDivElement', disconnectedChild.getRootNode().__proto__.constructor.name);
testing.expectEqual('HTMLDivElement', disconnectedChild.getRootNode({ composed: true }).__proto__.constructor.name);
</script>
<script id=firstChild>
let body_first_child = document.body.firstChild;
testing.expectEqual('div', body_first_child.localName);