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proxy - vue.js
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| // 代理模式，将子属性代理到自身上 | |
| export function proxy (target: Object, sourceKey: string, key: string) { | |
| sharedPropertyDefinition.get = function proxyGetter () { | |
| return this[sourceKey][key] | |
| } | |
| sharedPropertyDefinition.set = function proxySetter (val) { | |
| this[sourceKey][key] = val | |
| } | |
| Object.defineProperty(target, key, sharedPropertyDefinition) | |
| } |
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