ion/src/es6/CustomEvent.js

ion language ========================

if (global.ActiveXObject || "ActiveXObject" in global) {
    (function(){
        console.warn("Shimming CustomEvent")
        function CustomEvent ( event, params ) {
            params = params || { bubbles: false, cancelable: false, detail: undefined };
            var evt = document.createEvent( 'CustomEvent' );
            evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
            return evt;
        }
        CustomEvent.prototype = window.Event.prototype;
        window.CustomEvent = CustomEvent;
    })()
}