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Handle null nextDescription in describeElement #1378

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Handle null nextDescription in describeElement #1378

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78e54c2
Handle null nextDescription in describeElement
jalada Oct 14, 2025
f2fd276
Add a regression test for genElement handling elements with no tagName
jalada Oct 14, 2025
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2 changes: 1 addition & 1 deletion src/browser/domUtility.js
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Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,7 @@ function treeToArray(elem) {
var nextDescription;
for (var height = 0; elem && height < MAX_HEIGHT; height++) {
nextDescription = describeElement(elem);
if (nextDescription.tagName === 'html') {
if (!nextDescription || nextDescription.tagName === 'html') {
break;
}
out.unshift(nextDescription);
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5 changes: 5 additions & 0 deletions test/browser.domUtility.test.js
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Expand Up @@ -109,6 +109,11 @@ describe('treeToArray', function () {
var arr = d.treeToArray(e1);
expect(arr.length).to.eql(5);
});
it('should handle elements without tag names', function () {
var e1 = genElement(null);
var arr = d.treeToArray(e1);
expect(arr).to.eql([]);
});
it('should put the innermost element last', function () {
var e1 = genElement('div', 'id1');
var e2 = genElement('div', 'id2', 'a b');
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