数组对象key映射到对象中

const data = [
    {
      langName: '英语',
      langCode:  'English'
    },
    {
      langName: '中文',
      langCode:  'China'
    }
  ]
  const obj = {}
  data.map((item) => {
    const { langName,langCode } = item;
    obj[langCode] = langName;
  })
  console.log(obj, 'obj')