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LibWeb: Implement Node.normalize()

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This method puts the given node and all of its sub-tree into a
normalized form. A normalized sub-tree has no empty text nodes and no
adjacent text nodes.
This commit is contained in:
Tim Ledbetter 2024-07-11 21:52:03 +01:00 • committed by Andreas Kling
commit 0a0651f34e
Notes: sideshowbarker 2024-07-17 02:29:45 +09:00
5 changed files with 148 additions and 0 deletions
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Tests/LibWeb/Text/input/DOM/Node-normalize.html Normal file
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<!DOCTYPE html>
<script src="../include.js"></script>
<script>
test(() => {
const documentFragment = document.createDocumentFragment();
const textNode1 = document.createTextNode("1");
const textNode2 = document.createTextNode("2");
const textNode3 = document.createTextNode("3");
const textNode4 = document.createTextNode("4");
const emptyTextNode = document.createTextNode("");
documentFragment.appendChild(textNode1);
documentFragment.appendChild(emptyTextNode);
documentFragment.appendChild(textNode2);
println(`Document fragment initial text: ${documentFragment.textContent}, child nodes: ${documentFragment.childNodes.length}`);
let element = document.createElement('div');
documentFragment.appendChild(element);
element.appendChild(textNode3);
element.appendChild(textNode4);
println(`Element initial text: ${element.textContent}, child nodes: ${element.childNodes.length}`);
document.normalize();
println(`Element text after document.normalize(): ${element.textContent}, child nodes: ${element.childNodes.length}`);
documentFragment.normalize();
println(`Document fragment text after documentFragment.normalize(): ${documentFragment.textContent}, child nodes: ${documentFragment.childNodes.length}`);
println(`Text node 1 data: ${textNode1.data}`);
println(`Text node 2 data: ${textNode2.data}`);
println(`Text node 3 data: ${textNode3.data}`);
println(`Text node 4 data: ${textNode4.data}`);
});
</script>