Function serialForEach

tfjs-data/src/iterators/lazy_iterator.ts:329–331

* Apply a function to every element of the stream, forcing serial execution. * * @param f A function to apply to each stream element. Should return 'true' * to indicate that the stream should continue, or 'false' to cause it to * terminate.

(f: (value: T) => Promise<boolean>)

   *   terminate.
   */
  async serialForEach(f: (value: T) => Promise<boolean>): Promise<void> {
    return this.serialMapAsync(f).resolveWhile(x => (x === true));
  }

  /**
   * Groups elements into batches, represented as arrays of elements.