Function dequeueValue

lib/internal/webstreams/util.js:137–148

(controller)

}

function dequeueValue(controller) {
  assert(controller[kState].queue !== undefined);
  assert(controller[kState].queueTotalSize !== undefined);
  assert(controller[kState].queue.length);
  const {
    value,
    size,
  } = ArrayPrototypeShift(controller[kState].queue);
  controller[kState].queueTotalSize =
    MathMax(0, controller[kState].queueTotalSize - size);
  return value;
}

function resetQueue(controller) {
  assert(controller[kState].queue !== undefined);