@virtualstate/app-history/src/app-history-event-target.ts

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

import {Event, EventCallback, EventTarget, EventTargetAddListenerOptions} from "./event-target";

export class AppHistoryEventTarget<T> extends EventTarget {

    addEventListener<K extends keyof T>(type: K, listener: EventCallback<T[K] extends Event ? T[K] : never>, options?: boolean | EventTargetAddListenerOptions): void;
    addEventListener(type: string | symbol, listener: EventCallback, options?: boolean | EventTargetAddListenerOptions): void;
    addEventListener(type: string | symbol, listener: Function | EventCallback, options?: boolean | EventTargetAddListenerOptions): void {
        assertEventCallback(listener);
        return super.addEventListener(type, listener, typeof options === "boolean" ? { once: options } : options);
        function assertEventCallback(listener: unknown): asserts listener is EventCallback {
            if (typeof listener !== "function") throw new Error("Please us the function variant of event listener");
        }
    }

    removeEventListener(type: string | symbol, listener: EventCallback, options?: unknown): void
    removeEventListener(type: string | symbol, callback: Function, options?: unknown): void;
    removeEventListener(type: string | symbol, listener: Function | EventCallback, options?: boolean | EventTargetAddListenerOptions): void {
        assertEventCallback(listener);
        return super.removeEventListener(type, listener);
        function assertEventCallback(listener: unknown): asserts listener is EventCallback {
            if (typeof listener !== "function") throw new Error("Please us the function variant of event listener");
        }
    }
}