Method eventHandler

packages/rtm-api/src/RTMClient.ts:468–477

(_type: string, event: RTMCallResult)

    const awaitReplyTask = (messageId: number) => {
      const replyPromise = new PCancelable<RTMCallResult>((resolve, reject, onCancel) => {
        const eventHandler = (_type: string, event: RTMCallResult) => {
          if (event.reply_to === messageId) {
            this.off('slack_event', eventHandler);
            if (event.error !== undefined) {
              const error = platformErrorFromEvent(event as RTMCallResult & { error: { msg: string; } });
              return reject(error);
            }
            resolve(event);
          }
        };
        onCancel(() => {
          this.off('slack_event', eventHandler);
          reject(noReplyReceivedError());