ArtPlayer/packages/artplayer-plugin-flv/src/eventProxy.js

export default class EventProxy {
    constructor() {
        this.destroyEvents = [];
        this.proxy = this.proxy.bind(this);
    }

    proxy(target, name, callback, option = {}) {
        target.addEventListener(name, callback, option);
        this.destroyEvents.push(() => {
            target.removeEventListener(name, callback, option);
        });
    }

    destroy() {
        this.destroyEvents.forEach(event => event());
    }
}