优化

liusuyi

2023-06-29 3daa378637a5ceeb4965b554f528a7a36e3d5c2a

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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);
}