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static/lib/Highcharts-10.2.1/es-modules/Accessibility/Utils/EventProvider.js

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+/* *
+ *
+ *  (c) 2009-2021 Øystein Moseng
+ *
+ *  Class that can keep track of events added, and clean them up on destroy.
+ *
+ *  License: www.highcharts.com/license
+ *
+ *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
+ *
+ * */
+'use strict';
+import H from '../../Core/Globals.js';
+import U from '../../Core/Utilities.js';
+var addEvent = U.addEvent;
+/* *
+ *
+ *  Class
+ *
+ * */
+/**
+ * @private
+ */
+var EventProvider = /** @class */ (function () {
+    /* *
+     *
+     *  Constructor
+     *
+     * */
+    function EventProvider() {
+        this.eventRemovers = [];
+    }
+    /**
+     * Add an event to an element and keep track of it for later removal.
+     * Same args as Highcharts.addEvent.
+     * @private
+     */
+    EventProvider.prototype.addEvent = function () {
+        var remover = addEvent.apply(H, arguments);
+        this.eventRemovers.push(remover);
+        return remover;
+    };
+    /**
+     * Remove all added events.
+     * @private
+     */
+    EventProvider.prototype.removeAddedEvents = function () {
+        this.eventRemovers.forEach(function (remover) { return remover(); });
+        this.eventRemovers = [];
+    };
+    return EventProvider;
+}());
+/* *
+ *
+ *  Default Export
+ *
+ * */
+export default EventProvider;