Method endDrained

lib/internal/streams/iter/push.js:307–314

* Called by the read path when the consumer has drained all data while * the writer is in the 'closing' state. Transitions to 'closed' and * resolves the pending end promise.

()

   * resolves the pending end promise.
   */
  endDrained() {
    if (this.#writerState !== 'closing') return;
    this.#writerState = 'closed';
    if (this.#pendingEnd) {
      this.#pendingEnd.resolve(this.#bytesWritten);
      this.#pendingEnd = null;
    }
  }

  /**
   * Put queue into terminal error state.