Method onError

lib/internal/streams/fast-utf8-stream.js:722–726

(err)

      this.off('error', onError);
    };
    const onError = (err) => {
      this.#flushPending = false;
      cb(err);
      this.off('drain', onDrain);
    };

    this.once('drain', onDrain);
    this.once('error', onError);