20 lines
548 B
TypeScript
20 lines
548 B
TypeScript
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import { selectorMatches } from './selectorMatches';
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import { doesSomeParentMatch } from './doesSomeParentMatch';
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/**
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* @private
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*/
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export function elementMatchesRule(
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element: HTMLElement | SVGElement,
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selectors: string[],
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) {
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let parentMatching = true;
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// start from rightmost selector.
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const firstMatching = selectorMatches(element, selectors.pop()!);
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if (firstMatching && selectors.length) {
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parentMatching = doesSomeParentMatch(element, selectors);
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}
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return firstMatching && parentMatching && selectors.length === 0;
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}
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