sulibao-mini/tuniao-ui/libs/function/deepClone.js

/**
 * 判断是否为数组
 * 
 * @param {Object} arr
 */
function isArray(arr) {
  return Object.prototype.toString.call(arr) === '[object Array]'
}

/**
 * 深度复制数据
 * 
 * @param {Object} obj
 */
function deepClone(obj) {
  if ([null, undefined, NaN, false].includes(obj)) return obj
  if (typeof obj !== 'object' && typeof obj !== 'function') {
    return obj
  }
  var o = isArray(obj) ? [] : {}
  for (let i in obj) {
    if (obj.hasOwnProperty(i)) {
      o[i] = typeof obj[i] === 'object' ? deepClone(obj[i]) : obj[i]
    }
  }
  return o
}

export default deepClone