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22 lines
397 B
22 lines
397 B
const watch = (target, callback)=>{
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for(const key in target){
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if(typeof target[key] === 'object'){
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target[key] = watch(target[key], callback)
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}
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}
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return new Proxy(
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target,
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{
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set: (target, prop, newValue) => {
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target[prop] = newValue
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if(Array.isArray(target) && prop === 'length'){
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return true
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}
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callback()
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return true
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}
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}
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)
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}
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export default watch
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