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fix: The needsMask check should also be ignored when the childNode array length is equal to 0 #1402

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fix: The needsMask check should also be ignored when the childNode array length is equal to 0 #1402

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fix: The needsMask check should also be ignored when the childNode ar…
Paulhejia Jan 24, 2024
1204d10
Create lazy-bananas-peel.md
Juice10 Feb 2, 2024
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5 changes: 5 additions & 0 deletions .changeset/lazy-bananas-peel.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"rrweb-snapshot": patch
---

fix: The needsMask check should also be ignored when the childNode array length is equal to 0
4 changes: 3 additions & 1 deletion packages/rrweb-snapshot/src/snapshot.ts
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Expand Up @@ -253,7 +253,7 @@
export function ignoreAttribute(
tagName: string,
name: string,
_value: unknown,

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packages/rrweb-snapshot/src/snapshot.ts#L256 

[@typescript-eslint/no-unused-vars] '_value' is defined but never used.
): boolean {
return (tagName === 'video' || tagName === 'audio') && name === 'autoplay';
}
Expand Down Expand Up @@ -391,7 +391,7 @@
iframeEl.addEventListener('load', listener);
}

function isStylesheetLoaded(link: HTMLLinkElement) {

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packages/rrweb-snapshot/src/snapshot.ts#L394 

[@typescript-eslint/no-unused-vars] 'isStylesheetLoaded' is defined but never used.
if (!link.getAttribute('href')) return true; // nothing to load
return link.sheet !== null;
}
Expand Down Expand Up @@ -556,7 +556,7 @@
// So we'll be conservative and keep textContent as-is.
} else if ((n.parentNode as HTMLStyleElement).sheet?.cssRules) {
textContent = stringifyStylesheet(
(n.parentNode as HTMLStyleElement).sheet!,

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packages/rrweb-snapshot/src/snapshot.ts#L559 

[@typescript-eslint/no-non-null-assertion] Forbidden non-null assertion.
);
}
} catch (err) {
Expand Down Expand Up @@ -645,7 +645,7 @@
if (cssText) {
delete attributes.rel;
delete attributes.href;
attributes._cssText = absoluteToStylesheet(cssText, stylesheet!.href!);

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[@typescript-eslint/no-non-null-assertion] Forbidden non-null assertion.

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[@typescript-eslint/no-non-null-assertion] Forbidden non-null assertion.
}
}
// dynamic stylesheet
Expand Down Expand Up @@ -738,10 +738,10 @@
const recordInlineImage = () => {
image.removeEventListener('load', recordInlineImage);
try {
canvasService!.width = image.naturalWidth;

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[@typescript-eslint/no-non-null-assertion] Forbidden non-null assertion.
canvasService!.height = image.naturalHeight;

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[@typescript-eslint/no-non-null-assertion] Forbidden non-null assertion.
canvasCtx!.drawImage(image, 0, 0);

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[@typescript-eslint/no-non-null-assertion] Forbidden non-null assertion.
attributes.rr_dataURL = canvasService!.toDataURL(

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[@typescript-eslint/no-non-null-assertion] Forbidden non-null assertion.
dataURLOptions.type,
dataURLOptions.quality,
);
Expand Down Expand Up @@ -982,7 +982,9 @@

if (
!needsMask &&
n.childNodes // we can avoid the check on leaf elements, as masking is applied to child text nodes only
n.childNodes?.length > 0
// we can avoid the check on leaf elements, as masking is applied to child text nodes only
// The needsMask check should also be ignored when the childNode array length is 0
) {
// perf: if needsMask = true, children won't also need to check
const checkAncestors = needsMask === undefined; // if false, we've already checked ancestors
Expand Down
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