Function transferArrayBuffer

lib/internal/modules/esm/worker.js:88–101

* Transfers an ArrayBuffer, TypedArray, or DataView to a worker thread. * @param {boolean} hasError - Whether an error occurred during transfer. * @param {ArrayBuffer[] | TypedArray | DataView} source - The data to transfer. * @returns {ArrayBuffer[]|undefined}

(hasError, source)

 * @returns {ArrayBuffer[]|undefined}
 */
function transferArrayBuffer(hasError, source) {
  if (hasError || source == null) { return; }
  let arrayBuffer;
  if (isArrayBuffer(source)) {
    arrayBuffer = source;
  } else if (isTypedArray(source)) {
    arrayBuffer = TypedArrayPrototypeGetBuffer(source);
  } else if (isDataView(source)) {
    arrayBuffer = DataViewPrototypeGetBuffer(source);
  }
  if (arrayBuffer && !isMarkedAsUntransferable(arrayBuffer)) {
    return [arrayBuffer];
  }
}

/**
 * Wraps a message with a status and body, and serializes the body if necessary.