Method ensureAvailable

packages/core/src/binary/reader.ts:112–120

* Validate that n bytes are available from current cursor position. * Throws ZR_TRUNCATED if buffer would be exceeded.

(n: number)

   * Throws ZR_TRUNCATED if buffer would be exceeded.
   */
  private ensureAvailable(n: number): void {
    if (this.off + n > this.byteLength) {
      throw new ZrBinaryError({
        code: "ZR_TRUNCATED",
        offset: this.off,
        detail: `need ${n} byte(s) but only ${Math.max(0, this.byteLength - this.off)} remaining`,
      });
    }
  }
}