相关疑难解决方法(0)

使用 Proxy 类时出现这个有趣的错误：

TypeError: 'set' on proxy: trap returned truish for property 'users' which exists in the proxy target as a non-configurable and non-writable data property with a different value

我有一个以递归方式创建代理对象属性的库，其中任何非原始属性都是代理对象本身，等等：

let mcProxy = function (target) {
  const mirrorCache = {};
  return new Proxy(target, {
    set: function (target, property, value, receiver) {
       if (mirrorCache[property]) {
          throw new Error(`property ${property} has already been set`);
       }
        mirrorCache[property] = true;
        Object.defineProperty(target, property, {
          writable: false,
          value: (value && typeof value === 'object') ? …