Method grow

streams/buffer.ts:422–430

* Grows the buffer's capacity, if necessary, to guarantee space for * another `n` bytes. After `.grow(n)`, at least `n` bytes can be written to * the buffer without another allocation. If `n` is negative, `.grow()` will * throw. If the buffer can't grow it will throw an error. * * @pa

(n: number)

   * ```
   */
  grow(n: number) {
    if (n < 0) {
      throw new RangeError(
        `Cannot grow buffer as growth must be positive: received ${n}`,
      );
    }
    const m = this.#grow(n);
    this.#reslice(m);
  }
}