Method on

out/cli.cjs:70305–70309

* Adds the listener function to the end of the listeners array for the event. * No checks are made to see if the listener has already been added. Multiple calls passing * the same combination of event and listener will result in the listener being added, and * called, multiple times. * @

(event, listener)

  }
  /**
   * Adds the listener function to the end of the listeners array for the event.
   * No checks are made to see if the listener has already been added. Multiple calls passing
   * the same combination of event and listener will result in the listener being added, and
   * called, multiple times.
   * @returns this MessageStream, so that calls can be chained
   */
  on(event, listener) {
    const listeners = __classPrivateFieldGet7(this, _MessageStream_listeners, "f")[event] || (__classPrivateFieldGet7(this, _MessageStream_listeners, "f")[event] = []);