锁

aijinhui

2024-01-12 ddb23d4fa6d666ef51db3cd8e4f0f6cab7a1fe78

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export default function _classExtractFieldDescriptor(receiver, privateMap, action) {
  if (!privateMap.has(receiver)) {
    throw new TypeError("attempted to " + action + " private field on non-instance");
  }
  return privateMap.get(receiver);
}