Function patchEventEmitterMethods

packages/zone.js/lib/node/events.ts:38–55

(obj: any)

    };

    function patchEventEmitterMethods(obj: any) {
      const result = patchEventTarget(global, api, [obj], {
        useG: false,
        add: EE_ADD_LISTENER,
        rm: EE_REMOVE_LISTENER,
        prepend: EE_PREPEND_LISTENER,
        rmAll: EE_REMOVE_ALL_LISTENER,
        listeners: EE_LISTENERS,
        chkDup: false,
        rt: true,
        diff: compareTaskCallbackVsDelegate,
        eventNameToString: eventNameToString,
      });
      if (result && result[0]) {
        obj[EE_ON] = obj[EE_ADD_LISTENER];
        obj[EE_OFF] = obj[EE_REMOVE_LISTENER];
      }
    }

    // EventEmitter
    let events;