49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
/* *
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*
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* (c) 2009-2020 Øystein Moseng
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*
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* Class that can keep track of events added, and clean them up on destroy.
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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'use strict';
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import H from '../../../parts/Globals.js';
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import U from '../../../parts/Utilities.js';
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var addEvent = U.addEvent, extend = U.extend;
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/* eslint-disable no-invalid-this, valid-jsdoc */
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/**
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* @private
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* @class
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*/
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var EventProvider = function () {
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this.eventRemovers = [];
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};
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extend(EventProvider.prototype, {
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/**
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* Add an event to an element and keep track of it for later removal.
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* Same args as Highcharts.addEvent.
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* @private
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* @return {Function}
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*/
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addEvent: function () {
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var remover = addEvent.apply(H, arguments);
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this.eventRemovers.push(remover);
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return remover;
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},
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/**
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* Remove all added events.
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* @private
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* @return {void}
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*/
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removeAddedEvents: function () {
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this.eventRemovers.forEach(function (remover) {
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remover();
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});
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this.eventRemovers = [];
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}
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});
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export default EventProvider;
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