Function resolveWhile

tfjs-data/src/iterators/lazy_iterator.ts:226–233

* Draw items from the stream until it is exhausted, or a predicate fails. * * This can be useful when the stream has side effects but no output. In * that case, calling this function guarantees that the stream will be * fully processed.

(predicate: (r: T) => boolean)

   * fully processed.
   */
  async resolveWhile(predicate: (r: T) => boolean): Promise<void> {
    let x = await this.next();
    let shouldContinue = predicate(x.value);
    while ((!x.done) && shouldContinue) {
      x = await this.next();
      shouldContinue = predicate(x.value);
    }
  }

  /**
   * Handles errors thrown on this stream using a provided handler function.