googlevideo/dist/src/utils/EventEmitterLike.js

A set of utilities for working with Google Video APIs.

var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var _EventEmitterLike_legacy_listeners;
import { CustomEvent } from './index.js';
export class EventEmitterLike extends EventTarget {
    constructor() {
        super();
        _EventEmitterLike_legacy_listeners.set(this, new Map());
    }
    emit(type, ...args) {
        const event = new CustomEvent(type, { detail: args });
        this.dispatchEvent(event);
    }
    on(type, listener) {
        const wrapper = (ev) => {
            if (ev instanceof CustomEvent) {
                listener(...ev.detail);
            }
            else {
                listener(ev);
            }
        };
        __classPrivateFieldGet(this, _EventEmitterLike_legacy_listeners, "f").set(listener, wrapper);
        this.addEventListener(type, wrapper);
    }
    once(type, listener) {
        const wrapper = (ev) => {
            if (ev instanceof CustomEvent) {
                listener(...ev.detail);
            }
            else {
                listener(ev);
            }
            this.off(type, listener);
        };
        __classPrivateFieldGet(this, _EventEmitterLike_legacy_listeners, "f").set(listener, wrapper);
        this.addEventListener(type, wrapper);
    }
    off(type, listener) {
        const wrapper = __classPrivateFieldGet(this, _EventEmitterLike_legacy_listeners, "f").get(listener);
        if (wrapper) {
            this.removeEventListener(type, wrapper);
            __classPrivateFieldGet(this, _EventEmitterLike_legacy_listeners, "f").delete(listener);
        }
    }
}
_EventEmitterLike_legacy_listeners = new WeakMap();