@virtualstate/app-history/esnext/event-target/event-target.js

Native JavaScript [app-history](https://github.com/WICG/app-history) implementation

import { AsyncEventTarget } from "./async-event-target.js";
const defaultModule = { EventTarget: AsyncEventTarget, AsyncEventTarget, SyncEventTarget: AsyncEventTarget };
let module;
try {
    module = await import("@virtualstate/app-history/event-target");
    console.log("Using @virtualstate/app-history/event-target", module);
}
catch {
    console.log("Using default");
    module = defaultModule;
}
const EventTargetImplementation = module.EventTarget || module.SyncEventTarget || module.AsyncEventTarget;
function assertEventTarget(target) {
    if (typeof target !== "function") {
        throw new Error("Could not load EventTarget implementation");
    }
}
export class EventTarget extends AsyncEventTarget {
    constructor(...args) {
        super();
        if (EventTargetImplementation) {
            assertEventTarget(EventTargetImplementation);
            const { dispatchEvent } = new EventTargetImplementation(...args);
            this.dispatchEvent = dispatchEvent;
        }
    }
}
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