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57 lines
1.5 KiB
57 lines
1.5 KiB
import lodash from "lodash"; |
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const defConfig = {a:{aa:1,bb:2},b:{c:2},d:[1,2,3],e:{ee:1,aa:2}} |
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const newConfig = {a:{aa:1,bb:2},d:[5],e:{bb:2,ee:2,aa:2}} |
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const result = { d: [ 5 ],e:{ee:2} } |
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const load = {a:1,d:[5,1,2,3]} |
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const DELETE = '____DELETE____' |
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// lodash.mergeWith(defConfig,newConfig, (objValue, srcValue, key, object, source, stack) => { |
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// console.log('stack', stack,'key',key) |
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// |
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// if (lodash.isArray(srcValue)) { |
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// return srcValue |
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// } |
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// if(lodash.isEqual(objValue,srcValue)){ |
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// //如何删除 |
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// return DELETE |
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// } |
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// }) |
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function doMerge (defObj, newObj) { |
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const defObj2 = { ...defObj } |
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const newObj2 = {} |
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lodash.forEach(newObj,(newValue,key)=>{ |
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// const newValue = newObj[key] |
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const defValue = defObj[key] |
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if (lodash.isEqual(newValue, defValue)) { |
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delete defObj2[key] |
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return |
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} |
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if (lodash.isArray(newValue)) { |
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delete defObj2[key] |
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newObj2[key] = newValue |
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return |
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} |
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if (lodash.isObject(newValue)) { |
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newObj2[key] = doMerge(defValue, newValue) |
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delete defObj2[key] |
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} else { |
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// 基础类型，直接覆盖 |
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delete defObj2[key] |
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newObj2[key] = newValue |
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} |
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}) |
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// defObj 里面剩下的是被删掉的 |
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lodash.forEach(defObj2, (defValue, key) => { |
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newObj2[key] = null |
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}) |
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return newObj2 |
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} |
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console.log(doMerge(defConfig,newConfig)) |
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