16 lines
446 B
TypeScript
16 lines
446 B
TypeScript
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/**
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* Find nearest parent that satisfies a requirement
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* @param node Node to start from
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* @param findFn Matching function
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* @returns Found element, or null if no parent matches
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*/
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export function findNearestParent(node: Node | Element, findFn: (el: Element) => boolean): HTMLElement | null {
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let parent = node.parentElement;
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while (parent) {
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if (findFn(parent)) {
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return parent;
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}
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parent = parent.parentElement;
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}
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return null;
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}
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