forked from zhurui/management
34 lines
864 B
JavaScript
34 lines
864 B
JavaScript
var DOCUMENT_NODE_TYPE = 9;
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/**
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* A polyfill for Element.matches()
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*/
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if (typeof Element !== 'undefined' && !Element.prototype.matches) {
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var proto = Element.prototype;
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proto.matches = proto.matchesSelector ||
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proto.mozMatchesSelector ||
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proto.msMatchesSelector ||
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proto.oMatchesSelector ||
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proto.webkitMatchesSelector;
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}
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/**
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* Finds the closest parent that matches a selector.
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*
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* @param {Element} element
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* @param {String} selector
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* @return {Function}
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*/
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function closest (element, selector) {
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while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {
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if (typeof element.matches === 'function' &&
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element.matches(selector)) {
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return element;
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}
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element = element.parentNode;
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}
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}
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module.exports = closest;
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