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proxy.js
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proxy.js
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import mockFunction from './function';
export default function proxyFactory(original) {
let holder = {};
let proxy = new Proxy(original, {
get(target, name) {
if (name === '_reset') {
return () => (holder = {});
}
if (name in holder) {
return holder[name];
}
if (typeof target[name] === 'function') {
return mockFunction(target[name], target);
}
if (typeof target[name] === 'object' && target[name] !== null) {
let proxy = proxyFactory(target[name]);
holder[name] = proxy;
return proxy;
}
return target[name];
},
set(target, name, value) {
holder[name] = value;
return true;
},
has(target, prop) {
return prop in holder || prop in target;
},
deleteProperty(target, prop) {
delete holder[prop];
delete target[prop];
return true;
},
getOwnPropertyDescriptor(target, property) {
return (
Reflect.getOwnPropertyDescriptor(holder, property) ??
Reflect.getOwnPropertyDescriptor(target, property)
);
},
defineProperty(target, property, attributes) {
return Reflect.defineProperty(holder, property, attributes);
},
});
return proxy;
}