select2dispatch.ts

declare var $: any;

function select2EventDispatch(el: HTMLElement, events: string[]) {
    let dispatching = false;
    $.fn.select2 && $.fn.select2.amd.require(
        ["select2/utils"], function (Utils: any) {
            const instance = Utils.GetData(el, "select2");
            instance && events.forEach(ev => {
                instance.on(ev, () => {
                    if (dispatching) return; else dispatching = true;
                    try { el.dispatchEvent(new Event(ev)); }
                    finally { dispatching = false; }
                });
            });
        }
    );
}