JS题目之数组数据拆分重组转成嵌套对象,让脑细胞活跃下

[ [ 'code', 'Zh' ],
  [ 'code', 'Cn' ],
  [ 'taobao', '.cn' ],
  [ 'taobao', '.com' ] ]
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let arr = ['codeZh', 'codeCn', 'taobao.cn', 'taobao.com'];
let arrSplit = arr.map(item => {
  if (item.indexOf('.')!== -1){
    return item.replace(/(\.)/g, ",$1").split(',')
  } else {
    return item.replace(/([A-Z])+/g, ",$1").split(',')
  }
})


console.log(arrSplit);

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[ { code: { Zh: 'codeZh' } },
  { code: { Cn: 'codeCn' } },
  { taobao: { '.cn': 'taobao.cn' } },
  { taobao: { '.com': 'taobao.com' } } ]

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let arrGroup = arrSplit.map(item => {
  return {[item[0]]:{[item[1]]:item.join('')}}
})
console.log(arrGroup);
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{
   "code": {
      "Zh": "codeZh",
      "Cn": "codeCn"
   },
   "taobao": {
      ".cn": "taobao.cn",
      ".com": "taobao.com"
   }
}
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let resultObj = {};
for (let i = 0; i < arrGroup.length; i++){
  for (const [key, value] of Object.entries(arrGroup[i])) {
    resultObj[key] = {
      ...resultObj[key],
      ...value
    }
  }
}


console.log(resultObj);
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// 求数组转换成jso
//['codeZh', 'codeCn', 'taobao.cn', 'taobao.com'] 
// 输出
/*
{ 
  'code':{Zh:'codeZh',Cn:'codeCn'},
  'taobao':{'.cn':'taobao.cn},'.com':'taobao.com'
}
*/

const resultObj = {};
let arr = ['codeZh', 'codeCn', 'taobao.cn', 'taobao.com'];

let arrSplit = arr.map(item => (item.indexOf('.') !== -1 ? item.replace(/(\.)/g, ",$1").split(',') : item.replace(/([A-Z])+/g, ",$1").split(',')))

let arrGroup = arrSplit.map(item => ({ [item[0]]: { [item[1]]: item.join('') } }))

for (let i = 0; i < arrGroup.length; i++){
  for (const [key, value] of Object.entries(arrGroup[i])) {
    resultObj[key] = {
      ...resultObj[key],
      ...value
    }
  }
}

console.log(arrSplit);
console.log(arrGroup);
console.log(resultObj);

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