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80 lines
2.7 KiB
80 lines
2.7 KiB
4 years ago
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(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.delegate = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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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 (element.matches(selector)) return element;
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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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},{}],2:[function(require,module,exports){
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var closest = require('./closest');
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/**
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* Delegates event to a selector.
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*
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* @param {Element} element
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* @param {String} selector
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* @param {String} type
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* @param {Function} callback
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* @param {Boolean} useCapture
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* @return {Object}
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*/
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function delegate(element, selector, type, callback, useCapture) {
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var listenerFn = listener.apply(this, arguments);
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element.addEventListener(type, listenerFn, useCapture);
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return {
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destroy: function() {
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element.removeEventListener(type, listenerFn, useCapture);
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}
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}
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}
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/**
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* Finds closest match and invokes callback.
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*
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* @param {Element} element
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* @param {String} selector
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* @param {String} type
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* @param {Function} callback
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* @return {Function}
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*/
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function listener(element, selector, type, callback) {
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return function(e) {
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e.delegateTarget = closest(e.target, selector);
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if (e.delegateTarget) {
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callback.call(element, e);
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}
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}
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}
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module.exports = delegate;
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},{"./closest":1}]},{},[2])(2)
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});
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