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exclude pre load & icon #46

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exclude pre load & icon #46

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19 changes: 19 additions & 0 deletions src/rebuild.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,25 @@ function buildNode(
case NodeType.Element:
const tagName = getTagName(n);
let node: Element;

// exclude some js load by pre*
if (
tagName === 'link' &&
(
/prefetch|preload/.test(n!.attributes!.rel as string) &&
/\.js$/.test(n.attributes.href as string)
)
) {
node = document.createElement('noscript');
node.setAttribute('src', n.attributes.href as string);
return node;
}

// exclude icon load
if (tagName === 'link' && n!.attributes!.rel === 'icon') {
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what's the problem if we rebuild a link element with icon?

return document.createElement('link');
}

if (n.isSVG) {
node = doc.createElementNS('http://www.w3.org/2000/svg', tagName);
} else {
Expand Down