ddcAdmin/node_modules/xe-utils/dist/xe-utils.umd.js

/**
 * xe-utils.js v3.5.7
 * MIT License.
 * @preserve
 */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global.XEUtils = factory());
}(this, function () {'use strict'


var setupDefaults = {
  cookies: {
    path: '/'
  },
  treeOptions: {
    parentKey: 'parentId',
    key: 'id',
    children: 'children'
  },
  parseDateFormat: 'yyyy-MM-dd HH:mm:ss',
  firstDayOfWeek: 1,
  dateDiffRules: [
    ['yyyy', 31536000000],
    ['MM', 2592000000],
    ['dd', 86400000],
    ['HH', 3600000],
    ['mm', 60000],
    ['ss', 1000],
    ['S', 0]
  ]
}






var XEUtils = function () {}

function mixin () {
  arrayEach(arguments, function (methods) {
    each(methods, function (fn, name) {
      XEUtils[name] = isFunction(fn) ? function () {
        var result = fn.apply(XEUtils.$context, arguments)
        XEUtils.$context = null
        return result
      } : fn
    })
  })
}

function setup (options) {
  return assign(setupDefaults, options)
}

XEUtils.VERSION = '3.5.7'
XEUtils.mixin = mixin
XEUtils.setup = setup






function helperCreateGetDateWeek (getStartDate) {
  return function (date, firstDay) {
    var viewStartDay = isNumber(firstDay) ? firstDay : setupDefaults.firstDayOfWeek
    var targetDate = getWhatWeek(date, 0, viewStartDay, viewStartDay)
    if (isValidDate(targetDate)) {
      var targetOffsetDate = new Date(targetDate.getFullYear(), targetDate.getMonth(), targetDate.getDate())
      var targerStartDate = getStartDate(targetDate)
      var targetFirstDay = targerStartDate.getDay()
      if (targetFirstDay > viewStartDay) {
        targerStartDate.setDate(7 - targetFirstDay + viewStartDay + 1)
      }
      if (targetFirstDay < viewStartDay) {
        targerStartDate.setDate(viewStartDay - targetFirstDay + 1)
      }
      return Math.floor((helperGetDateTime(targetOffsetDate) - helperGetDateTime(targerStartDate)) / staticWeekTime + 1)
    }
    return NaN
  }
}



function helperCreateGetObjects (name, getIndex) {
  var proMethod = Object[name]
  return function (obj) {
    var result = []
    if (obj) {
      if (proMethod) {
        return proMethod(obj)
      }
      each(obj, getIndex > 1 ? function (key) {
        result.push(['' + key, obj[key]])
      } : function () {
        result.push(arguments[getIndex])
      })
    }
    return result
  }
}



function helperCreateIndexOf (name, callback) {
  return function (obj, val) {
    if (obj) {
      if (obj[name]) {
        return obj[name](val)
      }
      if (isString(obj) || isArray(obj)) {
        return callback(obj, val)
      }
      for (var key in obj) {
        if (hasOwnProp(obj, key)) {
          if (val === obj[key]) {
            return key
          }
        }
      }
    }
    return -1
  }
}



function helperCreateInInObjectString (type) {
  return function (obj) {
    return '[object ' + type + ']' === objectToString.call(obj)
  }
}


/* eslint-disable valid-typeof */
function helperCreateInTypeof (type) {
  return function (obj) {
    return typeof obj === type
  }
}



function helperCreateIterateHandle (prop, useArray, restIndex, matchValue, defaultValue) {
  return function (obj, iterate, context) {
    if (obj && iterate) {
      if (prop && obj[prop]) {
        return obj[prop](iterate, context)
      } else {
        if (useArray && isArray(obj)) {
          for (var index = 0, len = obj.length; index < len; index++) {
            if (!!iterate.call(context, obj[index], index, obj) === matchValue) {
              return [true, false, index, obj[index]][restIndex]
            }
          }
        } else {
          for (var key in obj) {
            if (hasOwnProp(obj, key)) {
              if (!!iterate.call(context, obj[key], key, obj) === matchValue) {
                return [true, false, key, obj[key]][restIndex]
              }
            }
          }
        }
      }
    }
    return defaultValue
  }
}



function helperCreateiterateIndexOf (callback) {
  return function (obj, iterate, context) {
    if (obj && isFunction(iterate)) {
      if (isArray(obj) || isString(obj)) {
        return callback(obj, iterate, context)
      }
      for (var key in obj) {
        if (hasOwnProp(obj, key)) {
          if (iterate.call(context, obj[key], key, obj)) {
            return key
          }
        }
      }
    }
    return -1
  }
}




function helperCreateMathNumber(name) {
  return function (num, digits) {
    var numRest = toNumber(num)
    var rest = numRest
    if (numRest) {
      digits = digits >> 0
      var numStr = toNumberString(numRest)
      var nums = numStr.split('.')
      var intStr = nums[0]
      var floatStr = nums[1] || ''
      var fStr = floatStr.substring(0, digits + 1)
      var subRest = intStr + (fStr ? ('.' + fStr) : '')
      if (digits >= floatStr.length) {
        return toNumber(subRest)
      }
      subRest = numRest
      if (digits > 0) {
        var ratio = Math.pow(10, digits)
        rest = Math[name](helperMultiply(subRest, ratio)) / ratio
      } else {
        rest = Math[name](subRest)
      }
    }
    return rest
  }
}




function helperCreateMinMax (handle) {
  return function (arr, iterate) {
    if (arr && arr.length) {
      var rest, itemIndex
      arrayEach(arr, function (itemVal, index) {
        if (iterate) {
          itemVal = isFunction(iterate) ? iterate(itemVal, index, arr) : get(itemVal, iterate)
        }
        if (!eqNull(itemVal) && (eqNull(rest) || handle(rest, itemVal))) {
          itemIndex = index
          rest = itemVal
        }
      })
      return arr[itemIndex]
    }
    return rest
  }
}



function helperCreatePickOmit (case1, case2) {
  return function (obj, callback) {
    var item, index
    var rest = {}
    var result = []
    var context = this
    var args = arguments
    var len = args.length
    if (!isFunction(callback)) {
      for (index = 1; index < len; index++) {
        item = args[index]
        result.push.apply(result, isArray(item) ? item : [item])
      }
      callback = 0
    }
    each(obj, function (val, key) {
      if ((callback ? callback.call(context, val, key, obj) : findIndexOf(result, function (name) {
        return name === key
      }) > -1) ? case1 : case2) {
        rest[key] = val
      }
    })
    return rest
  }
}


function helperCreateToNumber (handle) {
  return function (str) {
    if (str) {
      var num = handle(str)
      if (!isNaN(num)) {
        return num
      }
    }
    return 0
  }
}


function helperCreateTreeFunc (handle) {
  return function (obj, iterate, options, context) {
    var opts = options || {}
    var optChildren = opts.children || 'children'
    return handle(null, obj, iterate, context, [], [], optChildren, opts)
  }
}


function helperDefaultCompare (v1, v2) {
  return v1 === v2
}


function helperDeleteProperty (obj, property) {
  try {
    delete obj[property]
  } catch (e) {
    obj[property] = undefined
  }
}




function helperEqualCompare (val1, val2, compare, func, key, obj1, obj2) {
  if (val1 === val2) {
    return true
  }
  if (val1 && val2 && !isNumber(val1) && !isNumber(val2) && !isString(val1) && !isString(val2)) {
    if (isRegExp(val1)) {
      return compare('' + val1, '' + val2, key, obj1, obj2)
    } if (isDate(val1) || isBoolean(val1)) {
      return compare(+val1, +val2, key, obj1, obj2)
    } else {
      var result, val1Keys, val2Keys
      var isObj1Arr = isArray(val1)
      var isObj2Arr = isArray(val2)
      if (isObj1Arr || isObj2Arr ? isObj1Arr && isObj2Arr : val1.constructor === val2.constructor) {
        val1Keys = keys(val1)
        val2Keys = keys(val2)
        if (func) {
          result = func(val1, val2, key)
        }
        if (val1Keys.length === val2Keys.length) {
          return isUndefined(result) ? every(val1Keys, function (key, index) {
            return key === val2Keys[index] && helperEqualCompare(val1[key], val2[val2Keys[index]], compare, func, isObj1Arr || isObj2Arr ? index : key, val1, val2)
          }) : !!result
        }
        return false
      }
    }
  }
  return compare(val1, val2, key, obj1, obj2)
}



function helperFormatEscaper (dataMap) {
  var replaceRegexp = new RegExp('(?:' + keys(dataMap).join('|') + ')', 'g')
  return function (str) {
    return toValueString(str).replace(replaceRegexp, function (match) {
      return dataMap[match]
    })
  }
}


function helperGetDateFullYear (date) {
  return date.getFullYear()
}


function helperGetDateMonth (date) {
  return date.getMonth()
}


function helperGetDateTime (date) {
  return date.getTime()
}


function helperGetHGSKeys (property) {
  // 以最快的方式判断数组，可忽略准确性
  return property ? (property.splice && property.join ? property : ('' + property).replace(/(\[\d+\])\.?/g,'$1.').replace(/\.$/, '').split('.')) : []
}



function helperGetLocatOrigin () {
  return staticLocation ? (staticLocation.origin || (staticLocation.protocol + '//' + staticLocation.host)) : ''
}


function helperGetUTCDateTime (resMaps) {
  return Date.UTC(resMaps.y, resMaps.M || 0, resMaps.d || 1, resMaps.H || 0, resMaps.m || 0, resMaps.s || 0, resMaps.S || 0)
}



function helperGetYMD (date) {
  return new Date(helperGetDateFullYear(date), helperGetDateMonth(date), date.getDate())
}



function helperGetYMDTime (date) {
  return helperGetDateTime(helperGetYMD(date))
}



function helperMultiply (multiplier, multiplicand) {
  var str1 = toNumberString(multiplier)
  var str2 = toNumberString(multiplicand)
  return parseInt(str1.replace('.', '')) * parseInt(str2.replace('.', '')) / Math.pow(10, helperNumberDecimal(str1) + helperNumberDecimal(str2))
}


function helperNewDate () {
  return new Date()
}



function helperNumberAdd (addend, augend) {
  var str1 = toNumberString(addend)
  var str2 = toNumberString(augend)
  var ratio = Math.pow(10, Math.max(helperNumberDecimal(str1), helperNumberDecimal(str2)))
  return (multiply(addend, ratio) + multiply(augend, ratio)) / ratio
}


function helperNumberDecimal (numStr) {
  return (numStr.split('.')[1] || '').length
}



function helperNumberDivide (divisor, dividend) {
  var str1 = toNumberString(divisor)
  var str2 = toNumberString(dividend)
  var divisorDecimal = helperNumberDecimal(str1)
  var dividendDecimal = helperNumberDecimal(str2)
  var powY = dividendDecimal - divisorDecimal
  var isMinus = powY < 0
  var multiplicand = Math.pow(10, isMinus ? Math.abs(powY) : powY)
  return multiply(str1.replace('.', '') / str2.replace('.', ''), isMinus ? 1 / multiplicand : multiplicand)
}


function helperNumberOffsetPoint (str, offsetIndex) {
  return str.substring(0, offsetIndex) + '.' + str.substring(offsetIndex, str.length)
}


function helperStringLowerCase (str) {
  return str.toLowerCase()
}



function helperStringRepeat (str, count) {
  if (str.repeat) {
    return str.repeat(count)
  }
  var list = isNaN(count) ? [] : new Array(staticParseInt(count))
  return list.join(str) + (list.length > 0 ? str : '')
}


function helperStringSubstring (str, start, end) {
  return str.substring(start, end)
}


function helperStringUpperCase (str) {
  return str.toUpperCase()
}


var staticStrUndefined = 'undefined'


var staticStrLast = 'last'


var staticStrFirst = 'first'


var staticDayTime = 86400000



var staticWeekTime = staticDayTime * 7



/* eslint-disable valid-typeof */
var staticLocation = typeof location === staticStrUndefined ? 0 : location



/* eslint-disable valid-typeof */
var staticWindow = typeof window === staticStrUndefined ? 0 : window



/* eslint-disable valid-typeof */
var staticDocument = typeof document === staticStrUndefined ? 0 : document


var staticEncodeURIComponent = encodeURIComponent


var staticDecodeURIComponent = decodeURIComponent


var objectToString = Object.prototype.toString


var staticParseInt = parseInt


var staticEscapeMap = {
  '&': '&amp;',
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;',
  "'": '&#x27;',
  '`': '&#x60;'
}


var staticHGKeyRE = /(.+)?\[(\d+)\]$/



var objectAssignFns = Object.assign

function handleAssign (destination, args, isClone) {
  var len = args.length
  for (var source, index = 1; index < len; index++) {
    source = args[index]
    arrayEach(keys(args[index]), isClone ? function (key) {
      destination[key] = clone(source[key], isClone)
    } : function (key) {
      destination[key] = source[key]
    })
  }
  return destination
}

/**
  * 将一个或多个源对象复制到目标对象中
  *
  * @param {Object} target 目标对象
  * @param {...Object}
  * @return {Boolean}
  */
var assign = function (target) {
  if (target) {
    var args = arguments
    if (target === true) {
      if (args.length > 1) {
        target = isArray(target[1]) ? [] : {}
        return handleAssign(target, args, true)
      }
    } else {
      return objectAssignFns ? objectAssignFns.apply(Object, args) : handleAssign(target, args)
    }
  }
  return target
}



/**
  * 指定方法后的返回值组成的新对象
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Object}
  */
function objectMap (obj, iterate, context) {
  var result = {}
  if (obj) {
    if (iterate) {
      if (!isFunction(iterate)) {
        iterate = property(iterate)
      }
      each(obj, function (val, index) {
        result[index] = iterate.call(context, val, index, obj)
      })
    } else {
      return obj
    }
  }
  return result
}



function objectEach (obj, iterate, context) {
  if (obj) {
    for (var key in obj) {
      if (hasOwnProp(obj, key)) {
        iterate.call(context, obj[key], key, obj)
      }
    }
  }
}



function lastObjectEach (obj, iterate, context) {
  lastArrayEach(keys(obj), function (key) {
    iterate.call(context, obj[key], key, obj)
  })
}



function handleMerge (target, source) {
  if ((isPlainObject(target) && isPlainObject(source)) || (isArray(target) && isArray(source))) {
    each(source, function (obj, key) {
      target[key] = handleMerge(target[key], obj)
    })
    return target
  }
  return source
}

/**
  * 将一个或多个源对象合并到目标对象中
  *
  * @param {Object} target 目标对象
  * @param {...Object}
  * @return {Boolean}
  */
 var merge = function (target) {
  if (!target) {
    target = {}
  }
  var args = arguments
  var len = args.length
  for (var source, index = 1; index < len; index++) {
    source = args[index]
    if (source) {
      handleMerge(target, source)
    }
  }
  return target
}



/**
  * 数组去重
  *
  * @param {Array} array 数组
  * @return {Array}
  */
function uniq (array) {
  var result = []
  each(array, function (value) {
    if (!includes(result, value)) {
      result.push(value)
    }
  })
  return result
}



/**
  * 将多个数的值返回唯一的并集数组
  *
  * @param {...Array} 数组
  * @return {Array}
  */
function union () {
  var args = arguments
  var result = []
  var index = 0
  var len = args.length
  for (; index < len; index++) {
    result = result.concat(toArray(args[index]))
  }
  return uniq(result)
}



var sortBy = orderBy




var ORDER_PROP_ASC = 'asc'
var ORDER_PROP_DESC = 'desc'

// function handleSort (v1, v2) {
//   return v1 > v2 ? 1 : -1
// }

// '' < 数字 < 字符 < null < undefined
function handleSort (v1, v2) {
  if (isUndefined(v1)) {
    return 1
  }
  if (isNull(v1)) {
    return isUndefined(v2) ? -1 : 1
  }
  return v1 && v1.localeCompare ? v1.localeCompare(v2) : (v1 > v2 ? 1 : -1)
}

function buildMultiOrders (name, confs, compares) {
  return function (item1, item2) {
    var v1 = item1[name]
    var v2 = item2[name]
    if (v1 === v2) {
      return compares ? compares(item1, item2) : 0
    }
    return confs.order === ORDER_PROP_DESC ? handleSort(v2, v1) : handleSort(v1, v2)
  }
}

function getSortConfs (arr, list, fieldConfs, context) {
  var sortConfs = []
  fieldConfs = isArray(fieldConfs) ? fieldConfs : [fieldConfs]
  arrayEach(fieldConfs, function (handle, index) {
    if (handle) {
      var field = handle
      var order
      if (isArray(handle)) {
        field = handle[0]
        order = handle[1]
      } else if (isPlainObject(handle)) {
        field = handle.field
        order = handle.order
      }
      sortConfs.push({
        field: field,
        order: order || ORDER_PROP_ASC
      })
      arrayEach(list, isFunction(field) ? function (item, key) {
        item[index] = field.call(context, item.data, key, arr)
      } : function (item) {
        item[index] = field ? get(item.data, field) : item.data
      })
    }
  })
  return sortConfs
}

/**
  * 将数组进行排序
  *
  * @param {Array} arr 数组
  * @param {Function/String/Array} fieldConfs 方法或属性
  * @param {Object} context 上下文
  * @return {Array}
  */
function orderBy (arr, fieldConfs, context) {
  if (arr) {
    if (eqNull(fieldConfs)) {
      return toArray(arr).sort(handleSort)
    }
    var compares
    var list = map(arr, function (item) {
      return { data: item }
    })
    var sortConfs = getSortConfs(arr, list, fieldConfs, context)
    var len = sortConfs.length - 1
    while (len >= 0) {
      compares = buildMultiOrders(len, sortConfs[len], compares)
      len--
    }
    if (compares) {
      list = list.sort(compares)
    }
    return map(list, property('data'))
  }
  return []
}




/**
  * 将一个数组随机打乱，返回一个新的数组
  *
  * @param {Array} array 数组
  * @return {Array}
  */
function shuffle (array) {
  var index
  var result = []
  var list = values(array)
  var len = list.length - 1
  for (; len >= 0; len--) {
    index = len > 0 ? random(0, len) : 0
    result.push(list[index])
    list.splice(index, 1)
  }
  return result
}



/**
  * 从一个数组中随机返回几个元素
  *
  * @param {Array} array 数组
  * @param {Number} number 个数
  * @return {Array}
  */
function sample (array, number) {
  var result = shuffle(array)
  if (arguments.length <= 1) {
    return result[0]
  }
  if (number < result.length) {
    result.length = number || 0
  }
  return result
}



/**
  * 对象中的值中的每一项运行给定函数,如果函数对任一项返回true,则返回true,否则返回false
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Boolean}
  */
var some = helperCreateIterateHandle('some', 1, 0, true, false)



/**
  * 对象中的值中的每一项运行给定函数,如果该函数对每一项都返回true,则返回true,否则返回false
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Boolean}
  */
var every = helperCreateIterateHandle('every', 1, 1, false, true)



/**
 * 裁剪 Arguments 或数组 array，从 start 位置开始到 end 结束，但不包括 end 本身的位置
 * @param {Array/Arguments} array 数组或Arguments
 * @param {Number} startIndex 开始索引
 * @param {Number} endIndex 结束索引
 */
function slice (array, startIndex, endIndex) {
  var result = []
  var argsSize = arguments.length
  if (array) {
    startIndex = argsSize >= 2 ? toNumber(startIndex) : 0
    endIndex = argsSize >= 3 ? toNumber(endIndex) : array.length
    if (array.slice) {
      return array.slice(startIndex, endIndex)
    }
    for (; startIndex < endIndex; startIndex++) {
      result.push(array[startIndex])
    }
  }
  return result
}



/**
  * 根据回调过滤数据
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Object}
  */
function filter (obj, iterate, context) {
  var result = []
  if (obj && iterate) {
    if (obj.filter) {
      return obj.filter(iterate, context)
    }
    each(obj, function (val, key) {
      if (iterate.call(context, val, key, obj)) {
        result.push(val)
      }
    })
  }
  return result
}



/**
  * 从左至右遍历，匹配最近的一条数据
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Object}
  */
var find = helperCreateIterateHandle('find', 1, 3, true)



/**
  * 从右至左遍历，匹配最近的一条数据
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Object}
  */
function findLast (obj, iterate, context) {
  if (obj) {
    if (!isArray(obj)) {
      obj = values(obj)
    }
    for (var len = obj.length - 1; len >= 0; len--) {
      if (iterate.call(context, obj[len], len, obj)) {
        return obj[len]
      }
    }
  }
}



/**
  * 查找匹配第一条数据的键
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Object}
  */
var findKey = helperCreateIterateHandle('', 0, 2, true)



/**
  * 判断对象是否包含该值,成功返回true否则false
  *
  * @param {Object} obj 对象
  * @param {Object} val 值
  * @return {Boolean}
  */
function includes (obj, val) {
  if (obj) {
    if (obj.includes) {
      return obj.includes(val)
    }
    for (var key in obj) {
      if (hasOwnProp(obj, key)) {
        if (val === obj[key]) {
          return true
        }
      }
    }
  }
  return false
}


function arrayIndexOf (list, val) {
  if (list.indexOf) {
    return list.indexOf(val)
  }
  for (var index = 0, len = list.length; index < len; index++) {
    if (val === list[index]) {
      return index
    }
  }
}


function arrayLastIndexOf (list, val) {
  if (list.lastIndexOf) {
    return list.lastIndexOf(val)
  }
  for (var len = list.length - 1; len >= 0; len--) {
    if (val === list[len]) {
      return len
    }
  }
  return -1
}



/**
  * 指定方法后的返回值组成的新数组
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Array}
  */
function map (obj, iterate, context) {
  var result = []
  if (obj && arguments.length > 1) {
    if (obj.map) {
      return obj.map(iterate, context)
    } else {
      each(obj, function () {
        result.push(iterate.apply(context, arguments))
      })
    }
  }
  return result
}



/**
  * 接收一个函数作为累加器，数组中的每个值（从左到右）开始合并，最终为一个值。
  *
  * @param {Array} array 数组
  * @param {Function} callback 方法
  * @param {Object} initialValue 初始值
  * @return {Number}
  */
function reduce (array, callback, initialValue) {
  if (array) {
    var len, reduceMethod
    var index = 0
    var context = null
    var previous = initialValue
    var isInitialVal = arguments.length > 2
    var keyList = keys(array)
    if (array.length && array.reduce) {
      reduceMethod = function () {
        return callback.apply(context, arguments)
      }
      if (isInitialVal) {
        return array.reduce(reduceMethod, previous)
      }
      return array.reduce(reduceMethod)
    }
    if (isInitialVal) {
      index = 1
      previous = array[keyList[0]]
    }
    for (len = keyList.length; index < len; index++) {
      previous = callback.call(context, previous, array[keyList[index]], index, array)
    }
    return previous
  }
}



/**
  * 浅复制数组的一部分到同一数组中的另一个位置,数组大小不变
  *
  * @param {Array} array 数组
  * @param {Number} target 从该位置开始替换数据
  * @param {Number} start 从该位置开始读取数据，默认为 0 。如果为负值，表示倒数
  * @param {Number} end 到该位置前停止读取数据，默认等于数组长度。如果为负值，表示倒数
  * @return {Array}
  */
function copyWithin (array, target, start, end) {
  if (isArray(array) && array.copyWithin) {
    return array.copyWithin(target, start, end)
  }
  var replaceIndex, replaceArray
  var targetIndex = target >> 0
  var startIndex = start >> 0
  var len = array.length
  var endIndex = arguments.length > 3 ? end >> 0 : len
  if (targetIndex < len) {
    targetIndex = targetIndex >= 0 ? targetIndex : len + targetIndex
    if (targetIndex >= 0) {
      startIndex = startIndex >= 0 ? startIndex : len + startIndex
      endIndex = endIndex >= 0 ? endIndex : len + endIndex
      if (startIndex < endIndex) {
        for (replaceIndex = 0, replaceArray = array.slice(startIndex, endIndex); targetIndex < len; targetIndex++) {
          if (replaceArray.length <= replaceIndex) {
            break
          }
          array[targetIndex] = replaceArray[replaceIndex++]
        }
      }
    }
  }
  return array
}



/**
  * 将一个数组分割成大小的组。如果数组不能被平均分配，那么最后一块将是剩下的元素
  *
  * @param {Array} array 数组
  * @param {Number} size 每组大小
  * @return {Array}
  */
function chunk (array, size) {
  var index
  var result = []
  var arrLen = size >> 0 || 1
  if (isArray(array)) {
    if (arrLen >= 0 && array.length > arrLen) {
      index = 0
      while (index < array.length) {
        result.push(array.slice(index, index + arrLen))
        index += arrLen
      }
    } else {
      result = array.length ? [array] : array
    }
  }
  return result
}



/**
 * 将每个数组中相应位置的值合并在一起
 *
 * @param {Array*} array 数组
 */
function zip () {
  return unzip(arguments)
}




/**
 * 与 zip 相反
 *
 * @param {Array} arrays 数组集合
 */
function unzip (arrays) {
  var index, maxItem, len
  var result = []
  if (arrays && arrays.length) {
    index = 0
    maxItem = max(arrays, function (item) {
      return item ? item.length : 0
    })
    for (len = maxItem ? maxItem.length : 0; index < len; index++) {
      result.push(pluck(arrays, index))
    }
  }
  return result
}



/**
 * 根据键数组、值数组对转换为对象
 *
 * @param {Array} props 键数组
 * @param {Number} arr 值数组
 * @return {Object}
 */
function zipObject (props, arr) {
  var result = {}
  arr = arr || []
  each(values(props), function (val, key) {
    result[val] = arr[key]
  })
  return result
}



function flattenDeep (array, deep) {
  var result = []
  arrayEach(array, function (vals) {
    result = result.concat(isArray(vals) ? (deep ? flattenDeep(vals, deep) : vals) : [vals])
  })
  return result
}

/**
  * 将一个多维数组铺平
  * @param {Array} array 数组
  * @param {Boolean} deep 是否深层
  * @return {Array}
  */
function flatten (array, deep) {
  if (isArray(array)) {
    return flattenDeep(array, deep)
  }
  return []
}



/**
 * 将对象或者伪数组转为新数组
 *
 * @param {Array} list 数组
 * @return {Array}
 */
function toArray (list) {
  return map(list, function (item) {
    return item
  })
}



/**
  * 判断数组是否包含另一数组
  *
  * @param {Array} array1 数组
  * @param {Array} array2 被包含数组
  * @return {Boolean}
  */
function includeArrays (array1, array2) {
  var len
  var index = 0
  if (isArray(array1) && isArray(array2)) {
    for (len = array2.length; index < len; index++) {
      if (!includes(array1, array2[index])) {
        return false
      }
    }
    return true
  }
  return includes(array1, array2)
}



/**
  * 获取数组对象中某属性值，返回一个数组
  *
  * @param {Array} array 数组
  * @param {String} key 属性值
  * @return {Array}
  */
function pluck (obj, key) {
  return map(obj, property(key))
}




function deepGetObj (obj, path) {
  var index = 0
  var len = path.length
  while (obj && index < len) {
    obj = obj[path[index++]]
  }
  return len && obj ? obj : 0
}

/**
 * 在list的每个元素上执行方法,任何传递的额外参数都会在调用方法的时候传递给它
 *
 * @param {Array} list
 * @param {Array/String/Function} path
 * @param {...Object} arguments
 * @return {Array}
 */
function invoke (list, path) {
  var func
  var args = arguments
  var params = []
  var paths = []
  var index = 2
  var len = args.length
  for (; index < len; index++) {
    params.push(args[index])
  }
  if (isArray(path)) {
    len = path.length - 1
    for (index = 0; index < len; index++) {
      paths.push(path[index])
    }
    path = path[len]
  }
  return map(list, function (context) {
    if (paths.length) {
      context = deepGetObj(context, paths)
    }
    func = context[path] || path
    if (func && func.apply) {
      return func.apply(context, params)
    }
  })
}


function arrayEach (list, iterate, context) {
  if (list) {
    if (list.forEach) {
      list.forEach(iterate, context)
    } else {
      for (var index = 0, len = list.length; index < len; index++) {
        iterate.call(context, list[index], index, list)
      }
    }
  }
}


function lastArrayEach (obj, iterate, context) {
  for (var len = obj.length - 1; len >= 0; len--) {
    iterate.call(context, obj[len], len, obj)
  }
}






function strictTree (array, optChildren) {
  each(array, function (item) {
    if (item.children && !item.children.length) {
      remove(item, optChildren)
    }
  })
}

/**
  * 将一个带层级的数据列表转成树结构
  *
  * @param {Array} array 数组
  * @param {Object} options {strict: false, parentKey: 'parentId', key: 'id', children: 'children', mapChildren: 'children', data: 'data'}
  * @return {Array}
  */
function toArrayTree (array, options) {
  var opts = assign({}, setupDefaults.treeOptions, options)
  var optStrict = opts.strict
  var optKey = opts.key
  var optParentKey = opts.parentKey
  var optChildren = opts.children
  var optMapChildren = opts.mapChildren
  var optSortKey = opts.sortKey
  var optReverse = opts.reverse
  var optData = opts.data
  var result = []
  var treeMap = {}
  var idsMap = {}
  var id, treeData, parentId

  if (optSortKey) {
    array = orderBy(clone(array), optSortKey)
    if (optReverse) {
      array = array.reverse()
    }
  }

  each(array, function (item) {
    id = item[optKey]
    idsMap[id] = true
  })

  each(array, function (item) {
    id = item[optKey]

    if (optData) {
      treeData = {}
      treeData[optData] = item
    } else {
      treeData = item
    }

    parentId = item[optParentKey]
    treeMap[id] = treeMap[id] || []
    treeMap[parentId] = treeMap[parentId] || []
    treeMap[parentId].push(treeData)
    treeData[optKey] = id
    treeData[optParentKey] = parentId
    treeData[optChildren] = treeMap[id]
    if (optMapChildren) {
      treeData[optMapChildren] = treeMap[id]
    }

    if (!optStrict || (optStrict && !parentId)) {
      if (!idsMap[parentId]) {
        result.push(treeData)
      }
    }
  })

  if (optStrict) {
    strictTree(array, optChildren)
  }

  return result
}





function unTreeList (result, array, opts) {
  var optChildren = opts.children
  var optData = opts.data
  var optClear = opts.clear
  each(array, function (item) {
    var children = item[optChildren]
    if (optData) {
      item = item[optData]
    }
    result.push(item)
    if (children && children.length) {
      unTreeList(result, children, opts)
    }
    if (optClear) {
      delete item[optChildren]
    }
  })
  return result
}

/**
  * 将一个树结构转成数组列表
  *
  * @param {Array} array 数组
  * @param {Object} options { children: 'children', data: 'data', clear: false }
  * @return {Array}
  */
function toTreeArray (array, options) {
  return unTreeList([], array, assign({}, setupDefaults.treeOptions, options))
}



function findTreeItem (parent, obj, iterate, context, path, node, parseChildren, opts) {
  if (obj) {
    var item, index, len, paths, nodes, match
    for (index = 0, len = obj.length; index < len; index++) {
      item = obj[index]
      paths = path.concat(['' + index])
      nodes = node.concat([item])
      if (iterate.call(context, item, index, obj, paths, parent, nodes)) {
        return { index: index, item: item, path: paths, items: obj, parent: parent, nodes: nodes }
      }
      if (parseChildren && item) {
        match = findTreeItem(item, item[parseChildren], iterate, context, paths.concat([parseChildren]), nodes, parseChildren, opts)
        if (match) {
          return match
        }
      }
    }
  }
}

/**
  * 从树结构中查找匹配第一条数据的键、值、路径
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, items, path, parent, nodes) 回调
  * @param {Object} options {children: 'children'}
  * @param {Object} context 上下文
  * @return {Object} { item, index, items, path, parent, nodes }
  */
var findTree = helperCreateTreeFunc(findTreeItem)



function eachTreeItem (parent, obj, iterate, context, path, node, parseChildren, opts) {
  var paths, nodes
  each(obj, function (item, index) {
    paths = path.concat(['' + index])
    nodes = node.concat([item])
    iterate.call(context, item, index, obj, paths, parent, nodes)
    if (item && parseChildren) {
      paths.push(parseChildren)
      eachTreeItem(item, item[parseChildren], iterate, context, paths, nodes, parseChildren, opts)
    }
  })
}

/**
  * 从树结构中遍历数据的键、值、路径
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, items, path, parent, nodes) 回调
  * @param {Object} options {children: 'children', mapChildren: 'children}
  * @param {Object} context 上下文
  */
var eachTree = helperCreateTreeFunc(eachTreeItem)




function mapTreeItem (parent, obj, iterate, context, path, node, parseChildren, opts) {
  var paths, nodes, rest
  var mapChildren = opts.mapChildren || parseChildren
  return map(obj, function (item, index) {
    paths = path.concat(['' + index])
    nodes = node.concat([item])
    rest = iterate.call(context, item, index, obj, paths, parent, nodes)
    if (rest && item && parseChildren && item[parseChildren]) {
      rest[mapChildren] = mapTreeItem(item, item[parseChildren], iterate, context, paths, nodes, parseChildren, opts)
    }
    return rest
  })
}

/**
  * 从树结构中指定方法后的返回值组成的新数组
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, items, path, parent, nodes) 回调
  * @param {Object} options {children: 'children'}
  * @param {Object} context 上下文
  * @return {Object/Array}
  */
var mapTree = helperCreateTreeFunc(mapTreeItem)



/**
  * 从树结构中根据回调过滤数据
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, items, path, parent) 回调
  * @param {Object} options {children: 'children'}
  * @param {Object} context 上下文
  * @return {Array}
  */
function filterTree (obj, iterate, options, context) {
  var result = []
  if (obj && iterate) {
    eachTree(obj, function (item, index, items, path, parent, nodes) {
      if (iterate.call(context, item, index, items, path, parent, nodes)) {
        result.push(item)
      }
    }, options)
  }
  return result
}





function searchTreeItem (parentAllow, parent, obj, iterate, context, path, node, parseChildren, opts) {
  var paths, nodes, rest, isAllow, hasChild
  var rests = []
  var hasOriginal = opts.original
  var sourceData = opts.data
  var mapChildren = opts.mapChildren || parseChildren
  arrayEach(obj, function (item, index) {
    paths = path.concat(['' + index])
    nodes = node.concat([item])
    isAllow = parentAllow || iterate.call(context, item, index, obj, paths, parent, nodes)
    hasChild = parseChildren && item[parseChildren]
    if (isAllow || hasChild) {
      if (hasOriginal) {
        rest = item
      } else {
        rest = assign({}, item)
        if (sourceData) {
          rest[sourceData] = item
        }
      }
      rest[mapChildren] = searchTreeItem(isAllow, item, item[parseChildren], iterate, context, paths, nodes, parseChildren, opts)
      if (isAllow || rest[mapChildren].length) {
        rests.push(rest)
      }
    } else if (isAllow) {
      rests.push(rest)
    }
  })
  return rests
}

/**
  * 从树结构中根据回调查找数据
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, items, path, parent, nodes) 回调
  * @param {Object} options {children: 'children'}
  * @param {Object} context 上下文
  * @return {Array}
  */
var searchTree = helperCreateTreeFunc(function (parent, obj, iterate, context, path, nodes, parseChildren, opts) {
  return searchTreeItem(0, parent, obj, iterate, context, path, nodes, parseChildren, opts)
})


/**
  * 判断对象自身属性中是否具有指定的属性
  *
  * @param {Object} obj 对象
  * @param {String/Number} key 键值
  * @return {Boolean}
  */
function hasOwnProp (obj, key) {
  return obj && obj.hasOwnProperty ? obj.hasOwnProperty(key) : false
}



/**
 * 判断是否 undefined 和 null
 * @param {Object} obj 对象
 * @return {Boolean}
 */
function eqNull (obj) {
  return isNull(obj) || isUndefined(obj)
}



/* eslint-disable eqeqeq */
function isNumberNaN (obj) {
  return isNumber(obj) && isNaN(obj)
}



function isNumberFinite (obj) {
  return isNumber(obj) && isFinite(obj)
}




/**
  * 判断是否Undefined
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var isUndefined = helperCreateInTypeof(staticStrUndefined)



/**
  * 判断是否数组
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var isArray = Array.isArray || helperCreateInInObjectString('Array')



/**
  * 判断是否小数
  *
  * @param {Number} obj 数值
  * @return {Boolean}
  */
function isFloat (obj) {
  return !isNull(obj) && !isNaN(obj) && !isArray(obj) && !isInteger(obj)
}



/**
  * 判断是否整数
  *
  * @param {Number, String} number 数值
  * @return {Boolean}
  */
var isInteger = function (obj) {
  return !isNull(obj) && !isNaN(obj) && !isArray(obj) && obj % 1 === 0
}



/**
  * 判断是否方法
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var isFunction = helperCreateInTypeof('function')



/**
  * 判断是否Boolean对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var isBoolean = helperCreateInTypeof('boolean')



/**
  * 判断是否String对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var isString = helperCreateInTypeof('string')



/**
  * 判断是否Number对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var isNumber = helperCreateInTypeof('number')



/**
  * 判断是否RegExp对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var isRegExp = helperCreateInInObjectString('RegExp')



/**
  * 判断是否Object对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var isObject = helperCreateInTypeof('object')


/**
  * 判断是否对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
function isPlainObject (obj) {
  return obj ? obj.constructor === Object : false
}



/**
  * 判断是否Date对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var isDate = helperCreateInInObjectString('Date')



/**
  * 判断是否Error对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var isError = helperCreateInInObjectString('Error')


/**
  * 判断是否TypeError对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
function isTypeError (obj) {
  return obj ? obj.constructor === TypeError : false
}


/**
  * 判断是否为空对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
function isEmpty (obj) {
  for (var key in obj) {
    return false
  }
  return true
}


/**
  * 判断是否为Null
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
function isNull (obj) {
  return obj === null
}


/* eslint-disable valid-typeof */

/**
  * 判断是否Symbol对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var supportSymbol = typeof Symbol !== staticStrUndefined
function isSymbol (obj) {
  return supportSymbol && Symbol.isSymbol ? Symbol.isSymbol(obj) : (typeof obj === 'symbol')
}



/**
  * 判断是否Arguments对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var isArguments = helperCreateInInObjectString('Arguments')



/**
  * 判断是否Element对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
function isElement (obj) {
  return !!(obj && isString(obj.nodeName) && isNumber(obj.nodeType))
}



/**
  * 判断是否Document对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
function isDocument (obj) {
  return !!(obj && staticDocument && obj.nodeType === 9)
}



/**
  * 判断是否Window对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
function isWindow (obj) {
  return staticWindow && !!(obj && obj === obj.window)
}


/* eslint-disable valid-typeof */

/**
  * 判断是否FormData对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
  */
var supportFormData = typeof FormData !== staticStrUndefined
function isFormData (obj) {
  return supportFormData && obj instanceof FormData
}


/* eslint-disable valid-typeof */

/**
  * 判断是否Map对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
 */
var supportMap = typeof Map !== staticStrUndefined
function isMap (obj) {
  return supportMap && obj instanceof Map
}


/* eslint-disable valid-typeof */

/**
  * 判断是否WeakMap对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
 */
var supportWeakMap = typeof WeakMap !== staticStrUndefined
function isWeakMap (obj) {
  return supportWeakMap && obj instanceof WeakMap
}


/* eslint-disable valid-typeof */

/**
  * 判断是否Set对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
 */
var supportSet = typeof Set !== staticStrUndefined
function isSet (obj) {
  return supportSet && obj instanceof Set
}


/* eslint-disable valid-typeof */

/**
  * 判断是否WeakSet对象
  *
  * @param {Object} obj 对象
  * @return {Boolean}
 */
var supportWeakSet = typeof WeakSet !== staticStrUndefined
function isWeakSet (obj) {
  return supportWeakSet && obj instanceof WeakSet
}




/**
  * 判断是否闰年
  *
  * @param {Date} date 日期或数字
  * @return {Boolean}
  */
function isLeapYear (date) {
  var year
  var currentDate = date ? toStringDate(date) : helperNewDate()
  if (isDate(currentDate)) {
    year = currentDate.getFullYear()
    return (year % 4 === 0) && (year % 100 !== 0 || year % 400 === 0)
  }
  return false
}




/**
 * 判断属性中的键和值是否包含在对象中
 *
 * @param {Object/Array} obj 对象
 * @param {Object} source 值
 * @return {Boolean}
 */
function isMatch (obj, source) {
  var objKeys = keys(obj)
  var sourceKeys = keys(source)
  if (sourceKeys.length) {
    if (includeArrays(objKeys, sourceKeys)) {
      return some(sourceKeys, function (key2) {
        return findIndexOf(objKeys, function (key1) {
          return key1 === key2 && isEqual(obj[key1], source[key2])
        }) > -1
      })
    }
  } else {
    return true
  }
  return isEqual(obj, source)
}



/**
 * 深度比较两个对象之间的值是否相等
 *
 * @param {Object} obj1 值1
 * @param {Object} obj2 值2
 * @return {Boolean}
 */
function isEqual (obj1, obj2) {
  return helperEqualCompare(obj1, obj2, helperDefaultCompare)
}




/**
 * 深度比较两个对象之间的值是否相等，使用自定义比较函数
 *
 * @param {Object} obj1 值1
 * @param {Object} obj2 值2
 * @param {Function} func 自定义函数
 * @return {Boolean}
 */
function isEqualWith (obj1, obj2, func) {
  if (isFunction(func)) {
    return helperEqualCompare(obj1, obj2, function (v1, v2, key, obj1, obj2) {
      var result = func(v1, v2, key, obj1, obj2)
      return isUndefined(result) ? helperDefaultCompare(v1, v2) : !!result
    }, func)
  }
  return helperEqualCompare(obj1, obj2, helperDefaultCompare)
}



/**
  * 获取对象类型
  *
  * @param {Object} obj 对象
  * @return {String}
  */
function getType (obj) {
  if (isNull(obj)) {
    return 'null'
  }
  if (isSymbol(obj)) {
    return 'symbol'
  }
  if (isDate(obj)) {
    return 'date'
  }
  if (isArray(obj)) {
    return 'array'
  }
  if (isRegExp(obj)) {
    return 'regexp'
  }
  if (isError(obj)) {
    return 'error'
  }
  return typeof obj
}


/**
  * 获取一个全局唯一标识
  *
  * @param {String} prefix 前缀
  * @return {Number}
  */
var __uniqueId = 0
function uniqueId (prefix) {
  return [prefix, ++__uniqueId].join('')
}



/**
  * 返回对象的长度
  *
  * @param {Object} obj 对象
  * @return {Number}
  */
function getSize (obj) {
  var len = 0
  if (isString(obj) || isArray(obj)) {
    return obj.length
  }
  each(obj, function () {
    len++
  })
  return len
}




/**
  * 返回对象第一个索引值
  *
  * @param {Object} obj 对象
  * @param {Object} val 值
  * @return {Number}
  */
var indexOf = helperCreateIndexOf('indexOf', arrayIndexOf)




/**
  * 从最后开始的索引值,返回对象第一个索引值
  *
  * @param {Object} array 对象
  * @param {Object} val 值
  * @return {Number}
  */
var lastIndexOf = helperCreateIndexOf('lastIndexOf', arrayLastIndexOf)



/**
  * 返回对象第一个索引值
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Object}
  */
var findIndexOf = helperCreateiterateIndexOf(function (obj, iterate, context) {
  for (var index = 0, len = obj.length; index < len; index++) {
    if (iterate.call(context, obj[index], index, obj)) {
      return index
    }
  }
  return -1
})



/**
  * 从最后开始的索引值,返回对象第一个索引值
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Object}
  */
var findLastIndexOf = helperCreateiterateIndexOf(function (obj, iterate, context) {
  for (var len = obj.length - 1; len >= 0; len--) {
    if (iterate.call(context, obj[len], len, obj)) {
      return len
    }
  }
  return -1
})



/**
  * 字符串转JSON
  *
  * @param {String} str 字符串
  * @return {Object} 返回转换后对象
  */
function toStringJSON (str) {
  if (isPlainObject(str)) {
    return str
  } else if (isString(str)) {
    try {
      return JSON.parse(str)
    } catch (e) {}
  }
  return {}
}



/**
  * JSON转字符串
  *
  * @param {Object} obj 对象
  * @return {String} 返回字符串
  */
function toJSONString (obj) {
  return eqNull(obj) ? '' : JSON.stringify(obj)
}



/**
  * 获取对象所有属性
  *
  * @param {Object} obj 对象/数组
  * @return {Array}
  */
var keys = helperCreateGetObjects('keys', 1)



/**
  * 获取对象所有值
  *
  * @param {Object} obj 对象/数组
  * @return {Array}
  */
var values = helperCreateGetObjects('values', 0)



/**
  * 获取对象所有属性、值
  *
  * @param {Object} obj 对象/数组
  * @return {Array}
  */
var entries = helperCreateGetObjects('entries', 2)



/**
 * 根据 key 过滤指定的属性值，返回一个新的对象
 *
 * @param {Object} obj 对象
 * @param {String/Array} key 键数组
 * @return {Object}
 */
var pick = helperCreatePickOmit(1, 0)



/**
 * 根据 key 排除指定的属性值，返回一个新的对象
 *
 * @param {Object} obj 对象
 * @param {String/Array} key 键数组
 * @return {Object}
 */
var omit = helperCreatePickOmit(0, 1)



/**
  * 获取对象第一个值
  *
  * @param {Object} obj 对象/数组
  * @return {Object}
  */
function first (obj) {
  return values(obj)[0]
}



/**
  * 获取对象最后一个值
  *
  * @param {Object} obj 对象/数组
  * @return {Object}
  */
function last (obj) {
  var list = values(obj)
  return list[list.length - 1]
}



/**
  * 迭代器
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Object}
  */
function each (obj, iterate, context) {
  if (obj) {
    return (isArray(obj) ? arrayEach : objectEach)(obj, iterate, context)
  }
  return obj
}



/**
  * 已废弃，被 some, every 替换
  * @deprecated
  */
function forOf (obj, iterate, context) {
  if (obj) {
    if (isArray(obj)) {
      for (var index = 0, len = obj.length; index < len; index++) {
        if (iterate.call(context, obj[index], index, obj) === false) {
          break
        }
      }
    } else {
      for (var key in obj) {
        if (hasOwnProp(obj, key)) {
          if (iterate.call(context, obj[key], key, obj) === false) {
            break
          }
        }
      }
    }
  }
}



/**
  * 已废弃
  * @deprecated
  */
function lastForOf (obj, iterate, context) {
  if (obj) {
    var len, list
    if (isArray(obj)) {
      for (len = obj.length - 1; len >= 0; len--) {
        if (iterate.call(context, obj[len], len, obj) === false) {
          break
        }
      }
    } else {
      list = keys(obj)
      for (len = list.length - 1; len >= 0; len--) {
        if (iterate.call(context, obj[list[len]], list[len], obj) === false) {
          break
        }
      }
    }
  }
}



/**
  * 迭代器,从最后开始迭代
  *
  * @param {Object} obj 对象/数组
  * @param {Function} iterate(item, index, obj) 回调
  * @param {Object} context 上下文
  * @return {Object}
  */
function lastEach (obj, iterate, context) {
  if (obj) {
    return (isArray(obj) ? lastArrayEach : lastObjectEach)(obj, iterate, context)
  }
  return obj
}





/**
 * 检查键、路径是否是该对象的属性
 *
 * @param {Object/Array} data 对象
 * @param {String/Function} property 键、路径
 * @return {Boolean}
 */
function has (obj, property) {
  if (obj) {
    if (hasOwnProp(obj, property)) {
      return true
    } else {
      var prop, arrIndex, objProp, matchs, rest, isHas
      var props = helperGetHGSKeys(property)
      var index = 0
      var len = props.length
      for (rest = obj; index < len; index++) {
        isHas = false
        prop = props[index]
        matchs = prop ? prop.match(staticHGKeyRE) : ''
        if (matchs) {
          arrIndex = matchs[1]
          objProp = matchs[2]
          if (arrIndex) {
            if (rest[arrIndex]) {
              if (hasOwnProp(rest[arrIndex], objProp)) {
                isHas = true
                rest = rest[arrIndex][objProp]
              }
            }
          } else {
            if (hasOwnProp(rest, objProp)) {
              isHas = true
              rest = rest[objProp]
            }
          }
        } else {
          if (hasOwnProp(rest, prop)) {
            isHas = true
            rest = rest[prop]
          }
        }
        if (isHas) {
          if (index === len - 1) {
            return true
          }
        } else {
          break
        }
      }
    }
  }
  return false
}




/**
 * 获取对象的属性的值，如果值为 undefined，则返回默认值
 * @param {Object/Array} obj 对象
 * @param {String/Function} property 键、路径
 * @param {Object} defaultValue 默认值
 * @return {Object}
 */
function get (obj, property, defaultValue) {
  if (eqNull(obj)) {
    return defaultValue
  }
  var result = getValueByPath(obj, property)
  return isUndefined(result) ? defaultValue : result
}

function getDeepProps (obj, key) {
  var matchs = key ? key.match(staticHGKeyRE) : ''
  return matchs ? (matchs[1] ? (obj[matchs[1]] ? obj[matchs[1]][matchs[2]] : undefined) : obj[matchs[2]]) : obj[key]
}

function getValueByPath (obj, property) {
  if (obj) {
    var rest, props, len
    var index = 0
    if (obj[property] || hasOwnProp(obj, property)) {
      return obj[property]
    } else {
      props = helperGetHGSKeys(property)
      len = props.length
      if (len) {
        for (rest = obj; index < len; index++) {
          rest = getDeepProps(rest, props[index])
          if (eqNull(rest)) {
            if (index === len - 1) {
              return rest
            }
            return
          }
        }
      }
      return rest
    }
  }
}





var sKeyRE = /(.+)?\[(\d+)\]$/

function setDeepProps (obj, key, isEnd, nextKey, value) {
  if (obj[key]) {
    if (isEnd) {
      obj[key] = value
    }
  } else {
    var index
    var rest
    var currMatchs = key ? key.match(sKeyRE) : null
    if (isEnd) {
      rest = value
    } else {
      var nextMatchs = nextKey ? nextKey.match(sKeyRE) : null
      if (nextMatchs && !nextMatchs[1]) {
        // 如果下一个属性为数组类型
        rest = new Array(staticParseInt(nextMatchs[2]) + 1)
      } else {
        rest = {}
      }
    }
    if (currMatchs) {
      if (currMatchs[1]) {
        // 如果为对象中数组
        index = staticParseInt(currMatchs[2])
        if (obj[currMatchs[1]]) {
          if (isEnd) {
            obj[currMatchs[1]][index] = rest
          } else {
            if (obj[currMatchs[1]][index]) {
              rest = obj[currMatchs[1]][index]
            } else {
              obj[currMatchs[1]][index] = rest
            }
          }
        } else {
          obj[currMatchs[1]] = new Array(index + 1)
          obj[currMatchs[1]][index] = rest
        }
      } else {
        // 如果为数组
        obj[currMatchs[2]] = rest
      }
    } else {
      // 如果为对象
      obj[key] = rest
    }
    return rest
  }
  return obj[key]
}

/**
 * 设置对象属性上的值。如果属性不存在则创建它
 * @param {Object/Array} obj 对象
 * @param {String/Function} property 键、路径
 * @param {Object} value 值
 */
function set (obj, property, value) {
  if (obj) {
    if ((obj[property] || hasOwnProp(obj, property)) && !isPrototypePolluted(property)) {
      obj[property] = value
    } else {
      var rest = obj
      var props = helperGetHGSKeys(property)
      var len = props.length
      for (var index = 0; index < len; index++) {
        if (isPrototypePolluted(props[index])) {
          continue
        }
        var isEnd = index === len - 1
        rest = setDeepProps(rest, props[index], isEnd, isEnd ? null : props[index + 1], value)
      }
    }
  }
  return obj
}

/**
 * Blacklist certain keys to prevent Prototype Pollution
 * @param {string} key
 */
function isPrototypePolluted(key) {
  return key === '__proto__' || key === 'constructor' || key === 'prototype'
}



function createiterateEmpty (iterate) {
  return function () {
    return isEmpty(iterate)
  }
}

/**
  * 集合分组,默认使用键值分组,如果有iterate则使用结果进行分组
  *
  * @param {Array} obj 对象
  * @param {Function} iterate 回调/对象属性
  * @param {Object} context 上下文
  * @return {Object}
  */
function groupBy (obj, iterate, context) {
  var groupKey
  var result = {}
  if (obj) {
    if (iterate && isObject(iterate)) {
      iterate = createiterateEmpty(iterate)
    } else if (!isFunction(iterate)) {
      iterate = property(iterate)
    }
    each(obj, function (val, key) {
      groupKey = iterate ? iterate.call(context, val, key, obj) : val
      if (result[groupKey]) {
        result[groupKey].push(val)
      } else {
        result[groupKey] = [val]
      }
    })
  }
  return result
}




/**
  * 集合分组统计,返回各组中对象的数量统计
  *
  * @param {Array} obj 对象
  * @param {Function} iterate 回调/对象属性
  * @param {Object} context 上下文
  * @return {Object}
  */
function countBy (obj, iterate, context) {
  var result = groupBy(obj, iterate, context || this)
  objectEach(result, function (item, key) {
    result[key] = item.length
  })
  return result
}




function getCativeCtor (val, args) {
  var Ctor = val.__proto__.constructor
  return args ? new Ctor(args) : new Ctor()
}

function handleValueClone (item, isDeep) {
  return isDeep ? copyValue(item, isDeep) : item
}

function copyValue (val, isDeep) {
  if (val) {
    switch(objectToString.call(val)) {
      case "[object Object]": {
        var restObj = Object.create(val.__proto__)
        objectEach(val, function (item, key) {
          restObj[key] = handleValueClone(item, isDeep)
        })
        return restObj
      }
      case "[object Date]":
      case "[object RegExp]": {
        return getCativeCtor(val, val.valueOf())
      }
      case "[object Array]":
      case "[object Arguments]":  {
        var restArr = []
        arrayEach(val, function (item) {
          restArr.push(handleValueClone(item, isDeep))
        })
        return restArr
      }
      case "[object Set]": {
        var restSet = getCativeCtor(val)
        restSet.forEach(function (item) {
          restSet.add(handleValueClone(item, isDeep))
        })
        return restSet
      }
      case "[object Map]": {
        var restMap = getCativeCtor(val)
        restMap.forEach(function (item, key) {
          restMap.set(handleValueClone(item, isDeep))
        })
        return restMap
      }
    }
  }
  return val
}

/**
  * 浅拷贝/深拷贝
  *
  * @param {Object} obj 对象/数组
  * @param {Boolean} deep 是否深拷贝
  * @return {Object}
  */
function clone (obj, deep) {
  if (obj) {
    return copyValue(obj, deep)
  }
  return obj
}




/**
  * 清空对象
  *
  * @param {Object} obj 对象
  * @param {*} defs 默认值,如果不传（清空所有属性）、如果传对象（清空并继承)、如果传值(给所有赋值)
  * @param {Object/Array} assigns 默认值
  * @return {Object}
  */
function clear (obj, defs, assigns) {
  if (obj) {
    var len
    var isDefs = arguments.length > 1 && (isNull(defs) || !isObject(defs))
    var extds = isDefs ? assigns : defs
    if (isPlainObject(obj)) {
      objectEach(obj, isDefs ? function (val, key) {
        obj[key] = defs
      } : function (val, key) {
        helperDeleteProperty(obj, key)
      })
      if (extds) {
        assign(obj, extds)
      }
    } else if (isArray(obj)) {
      if (isDefs) {
        len = obj.length
        while (len > 0) {
          len--
          obj[len] = defs
        }
      } else {
        obj.length = 0
      }
      if (extds) {
        obj.push.apply(obj, extds)
      }
    }
  }
  return obj
}




function pluckProperty (name) {
  return function (obj, key) {
    return key === name
  }
}

/**
  * 移除对象属性
  *
  * @param {Object/Array} obj 对象/数组
  * @param {Function/String} iterate 方法或属性
  * @param {Object} context 上下文
  * @return {Object/Array}
  */
function remove (obj, iterate, context) {
  if (obj) {
    if (!eqNull(iterate)) {
      var removeKeys = []
      var rest = []
      if (!isFunction(iterate)) {
        iterate = pluckProperty(iterate)
      }
      each(obj, function (item, index, rest) {
        if (iterate.call(context, item, index, rest)) {
          removeKeys.push(index)
        }
      })
      if (isArray(obj)) {
        lastEach(removeKeys, function (item, key) {
          rest.push(obj[item])
          obj.splice(item, 1)
        })
      } else {
        rest = {}
        arrayEach(removeKeys, function (key) {
          rest[key] = obj[key]
          helperDeleteProperty(obj, key)
        })
      }
      return rest
    }
    return clear(obj)
  }
  return obj
}


/**
  * 序号列表生成函数
  *
  * @param {Number} start 起始值
  * @param {Number} stop 结束值
  * @param {Number} step 自增值
  * @return {Array}
  */
function range (start, stop, step) {
  var index, len
  var result = []
  var args = arguments
  if (args.length < 2) {
    stop = args[0]
    start = 0
  }
  index = start >> 0
  len = stop >> 0
  if (index < stop) {
    step = step >> 0 || 1
    for (; index < len; index += step) {
      result.push(index)
    }
  }
  return result
}





/**
  * 将一个或者多个对象值解构到目标对象
  *
  * @param {Object} destination 目标对象
  * @param {...Object}
  * @return {Boolean}
  */
function destructuring (destination, sources) {
  if (destination && sources) {
    var rest = assign.apply(this, [{}].concat(slice(arguments, 1)))
    var restKeys = keys(rest)
    arrayEach(keys(destination), function (key) {
      if (includes(restKeys, key)) {
        destination[key] = rest[key]
      }
    })
  }
  return destination
}


/**
  * 获取一个指定范围内随机数
  *
  * @param {Number} minVal 最小值
  * @param {Number} maxVal 最大值
  * @return {Number}
  */
function random (minVal, maxVal) {
  return minVal >= maxVal ? minVal : ((minVal = minVal >> 0) + Math.round(Math.random() * ((maxVal || 9) - minVal)))
}



/**
  * 获取最小值
  *
  * @param {Array} arr 数组
  * @param {Function} iterate(item, index, obj) 回调
  * @return {Number}
  */
var min = helperCreateMinMax(function (rest, itemVal) {
  return rest > itemVal
})



/**
  * 获取最大值
  *
  * @param {Array} arr 数组
  * @param {Function} iterate(item, index, obj) 回调
  * @return {Number}
  */
var max = helperCreateMinMax(function (rest, itemVal) {
  return rest < itemVal
})






/**
  * 千分位分隔符、小数点
  *
  * @param {String/Number} num 数值
  * @param {CommafyOptions} options 参数
  * @return {String}
 */
function commafy(num, options) {
  var opts = assign({}, setupDefaults.commafyOptions, options)
  var optDigits = opts.digits
  var isNum = isNumber(num)
  var rest, result, isNegative, intStr, floatStr
  if (isNum) {
    rest = (opts.ceil ? ceil : (opts.floor ? floor : round))(num, optDigits)
    result = toNumberString(optDigits ? toFixed(rest, optDigits) : rest).split('.')
    intStr = result[0]
    floatStr = result[1]
    isNegative = intStr && rest < 0
    if (isNegative) {
      intStr = intStr.substring(1, intStr.length)
    }
  } else {
    rest = toValueString(num).replace(/,/g, '')
    result = rest ? [rest] : []
    intStr = result[0]
  }
  if (result.length) {
    return (isNegative ? '-' : '') + intStr.replace(new RegExp('(?=(?!(\\b))(.{' + (opts.spaceNumber || 3) + '})+$)', 'g'), (opts.separator || ',')) + (floatStr ? ('.' + floatStr) : '')
  }
  return rest
}



/**
 * 将数值四舍五入
 *
 * @param {string|number} num 数值
 * @param {number} digits 小数保留位数
 * @return {number}
 */
var round = helperCreateMathNumber('round')



/**
 * 将数值向上舍入
 *
 * @param {string|number} num 数值
 * @param {number} digits 小数保留位数
 * @return {number}
 */
var ceil = helperCreateMathNumber('ceil')



/**
 * 将数值向下舍入
 *
 * @param {string|number} num 数值
 * @param {number} digits 小数保留位数
 * @return {number}
 */
var floor = helperCreateMathNumber('floor')




/**
  * 将数值四舍五入并格式化为固定小数位的字符串
  *
 * @param {string|number} num 数值
 * @param {number} digits 小数保留位数
  * @return {String}
  */
function toFixed (num, digits) {
  digits = digits >> 0
  var str = toValueString(round(num, digits))
  var nums = str.split('.')
  var intStr = nums[0]
  var floatStr = nums[1] || ''
  var digitOffsetIndex = digits - floatStr.length
  if (digits) {
    if (digitOffsetIndex > 0) {
      return intStr + '.' + floatStr + helperStringRepeat('0', digitOffsetIndex)
    }
    return intStr + helperNumberOffsetPoint(floatStr, Math.abs(digitOffsetIndex))
  }
  return intStr
}



/**
 * 转数值
 * @param { String/Number } str 数值
 *
 * @return {Number}
 */
var toNumber = helperCreateToNumber(parseFloat)



/**
 * 数值转字符串，科学计数转字符串
 * @param { Number } num 数值
 *
 * @return {Number}
 */
function toNumberString(num) {
  var rest = '' + num
  var scienceMatchs = rest.match(/^([-+]?)((\d+)|((\d+)?[.](\d+)?))e([-+]{1})([0-9]+)$/)
  if (scienceMatchs) {
    var isNegative = num < 0
    var absFlag = isNegative ? '-' : ''
    var intNumStr = scienceMatchs[3] || ''
    var dIntNumStr = scienceMatchs[5] || ''
    var dFloatNumStr = scienceMatchs[6] || ''
    var sciencFlag = scienceMatchs[7]
    var scienceNumStr = scienceMatchs[8]
    var floatOffsetIndex = scienceNumStr - dFloatNumStr.length
    var intOffsetIndex = scienceNumStr - intNumStr.length
    var dIntOffsetIndex = scienceNumStr - dIntNumStr.length
    if (sciencFlag === '+') {
      if (intNumStr) {
        return absFlag + intNumStr + helperStringRepeat('0', scienceNumStr)
      }
      if (floatOffsetIndex > 0) {
        return absFlag + dIntNumStr + dFloatNumStr + helperStringRepeat('0', floatOffsetIndex)
      }
      return absFlag + dIntNumStr + helperNumberOffsetPoint(dFloatNumStr, scienceNumStr)
    }
    if (intNumStr) {
      if (intOffsetIndex > 0) {
        return absFlag + '0.' + helperStringRepeat('0', Math.abs(intOffsetIndex)) + intNumStr
      }
      return absFlag + helperNumberOffsetPoint(intNumStr, intOffsetIndex)
    }
    if (dIntOffsetIndex > 0) {
      return absFlag + '0.' + helperStringRepeat('0', Math.abs(dIntOffsetIndex)) + dIntNumStr + dFloatNumStr
    }
    return absFlag + helperNumberOffsetPoint(dIntNumStr, dIntOffsetIndex) + dFloatNumStr
  }
  return rest
}




/**
 * 转整数
 * @param { String/Number } str 数值
 *
 * @return {Number}
 */
var toInteger = helperCreateToNumber(staticParseInt)



/**
 * 加法运算
 *
 * @param { Number } num1 被加数
 * @param { Number } num2 加数
 * @return {Number}
 */
function add (num1, num2) {
  return helperNumberAdd(toNumber(num1), toNumber(num2))
}



/**
 * 减法运算
 *
 * @param { Number } num1 被减数
 * @param { Number } num2 减数
 * @return {Number}
 */
function subtract (num1, num2) {
  var subtrahend = toNumber(num1)
  var minuend = toNumber(num2)
  var str1 = toNumberString(subtrahend)
  var str2 = toNumberString(minuend)
  var digit1 = helperNumberDecimal(str1)
  var digit2 = helperNumberDecimal(str2)
  var ratio = Math.pow(10, Math.max(digit1, digit2))
  var precision = (digit1 >= digit2) ? digit1 : digit2
  return parseFloat(toFixed((subtrahend * ratio - minuend * ratio) / ratio, precision))
}




/**
 * 乘法运算
 *
 * @param { Number } num1 数值1
 * @param { Number } num2 数值2
 * @return {Number}
 */
function multiply (num1, num2) {
  var multiplier = toNumber(num1)
  var multiplicand = toNumber(num2)
  return helperMultiply(multiplier, multiplicand)
}



/**
 * 除法运算
 *
 * @param { Number } num1 数值1
 * @param { Number } num2 数值2
 * @return {Number}
 */
function divide (num1, num2) {
  return helperNumberDivide(toNumber(num1), toNumber(num2))
}




/**
  * 求和函数，将数值相加
  *
  * @param {Array} array 数组
  * @param {Function/String} iterate 方法或属性
  * @param {Object} context 上下文
  * @return {Number}
  */
function sum (array, iterate, context) {
  var result = 0
  each(array, iterate ? isFunction(iterate) ? function () {
    result = helperNumberAdd(result, iterate.apply(context, arguments))
  } : function (val) {
    result = helperNumberAdd(result, get(val, iterate))
  } : function (val) {
    result = helperNumberAdd(result, val)
  })
  return result
}





/**
  * 求平均值函数
  *
  * @param {Array} array 数组
  * @param {Function/String} iterate 方法或属性
  * @param {Object} context 上下文
  * @return {Number}
  */
function mean (array, iterate, context) {
  return helperNumberDivide(sum(array, iterate, context), getSize(array))
}



/**
 * 返回当前时间戳
 *
 * @returns Number
 */
var now = Date.now || function () {
  return helperGetDateTime(helperNewDate())
}





/**
 * 将日期格式化为时间戳
 *
  * @param {String/Number/Date} str 日期或数字
  * @param {String} format 解析日期格式
 * @returns Number
 */
var timestamp = function (str, format) {
  if (str) {
    var date = toStringDate(str, format)
    return isDate(date) ? helperGetDateTime(date) : date
  }
  return now()
}



/**
  * 判断是否有效的Date对象
  *
  * @param {any} val 对象
  * @return {boolean}
  */
function isValidDate (val) {
  return isDate(val) && !isNaN(helperGetDateTime(val))
}



/**
 * 比较两个日期
 *
 * @param {Number/String/Date} date1 日期
 * @param {Number/String/Date} date2 日期
 * @param {String} format 对比格式
 */
function isDateSame (date1, date2, format) {
  if (date1 && date2) {
    date1 = toDateString(date1, format)
    return date1 !== 'Invalid Date' && date1 === toDateString(date2, format)
  }
  return false
}





function getParseRule (txt) {
  return '(\\d{' + txt + '})'
}

function toParseMs (num) {
  if (num < 10) {
    return num * 100
  } else if (num < 100) {
    return num * 10
  }
  return num
}

function toParseNum (num) {
  return isNaN(num) ? num : staticParseInt(num)
}

var d2 = getParseRule(2)
var d1or2 = getParseRule('1,2')
var d1or7 = getParseRule('1,7')
var d3or4 = getParseRule('3,4')
var place = '.{1}'
var d1Or2RE = place + d1or2
var dzZ = '(([zZ])|([-+]\\d{2}:?\\d{2}))'

var defaulParseStrs = [d3or4, d1Or2RE, d1Or2RE, d1Or2RE, d1Or2RE, d1Or2RE, place + d1or7, dzZ]
var defaulParseREs = []

for (var len = defaulParseStrs.length - 1; len >= 0; len--) {
  var rule = ''
  for (var i = 0; i < len + 1; i++) {
    rule += defaulParseStrs[i]
  }
  defaulParseREs.push(new RegExp('^' + rule + '$'))
}

/**
 * 解析默认格式
 */
function parseDefaultRules (str) {
  var matchRest, resMaps = {}
  for (var i = 0, dfrLen = defaulParseREs.length; i < dfrLen; i++) {
    matchRest = str.match(defaulParseREs[i])
    if (matchRest) {
      resMaps.y = matchRest[1]
      resMaps.M = matchRest[2]
      resMaps.d = matchRest[3]
      resMaps.H = matchRest[4]
      resMaps.m = matchRest[5]
      resMaps.s = matchRest[6]
      resMaps.S = matchRest[7]
      resMaps.Z = matchRest[8]
      break
    }
  }
  return resMaps
}

var customParseStrs = [
  ['yyyy', d3or4],
  ['yy', d2],
  ['MM', d2],
  ['M', d1or2],
  ['dd', d2],
  ['d', d1or2],
  ['HH', d2],
  ['H', d1or2],
  ['mm', d2],
  ['m', d1or2],
  ['ss', d2],
  ['s', d1or2],
  ['SSS', getParseRule(3)],
  ['S', d1or7],
  ['Z', dzZ]
]
var parseRuleMaps = {}
var parseRuleKeys = ['\\[([^\\]]+)\\]']

for (var i = 0; i < customParseStrs.length; i++) {
  var itemRule = customParseStrs[i]
  parseRuleMaps[itemRule[0]] = itemRule[1] + '?'
  parseRuleKeys.push(itemRule[0])
}

var customParseRes = new RegExp(parseRuleKeys.join('|'), 'g')
var cacheFormatMaps = {}

/**
 * 解析自定义格式
 */
function parseCustomRules (str, format) {
  var cacheItem = cacheFormatMaps[format]
  if (!cacheItem) {
    var posIndexs = []
    var re = format.replace(/([$(){}*+.?\\^|])/g, "\\$1").replace(customParseRes, function (text, val) {
      var firstChar = text.charAt(0)
      // 如果为转义符号:[关键字]
      if (firstChar === '[') {
        return val
      }
      posIndexs.push(firstChar)
      return parseRuleMaps[text]
    })
    cacheItem = cacheFormatMaps[format] = {
      _i: posIndexs,
      _r: new RegExp(re)
    }
  }
  var resMaps = {}
  var matchRest = str.match(cacheItem._r)
  if (matchRest) {
    var _i = cacheItem._i
    for (var i = 1, len = matchRest.length; i < len; i++) {
      resMaps[_i[i - 1]] = matchRest[i]
    }
    return resMaps
  }
  return resMaps
}

/**
 * 解析时区
 */
function parseTimeZone (resMaps) {
  // 如果为UTC 时间
  if (/^[zZ]/.test(resMaps.Z)) {
    return new Date(helperGetUTCDateTime(resMaps))
  } else {
    // 如果指定时区，时区转换
    var matchRest = resMaps.Z.match(/([-+])(\d{2}):?(\d{2})/)
    if (matchRest) {
      return new Date(helperGetUTCDateTime(resMaps) - (matchRest[1] === '-' ? -1 : 1) * staticParseInt(matchRest[2]) * 3600000 + staticParseInt(matchRest[3]) * 60000)
    }
  }
  return new Date('')
}

/**
  * 字符串转为日期
  *
  * @param {String/Number/Date} str 日期或数字
  * @param {String} format 解析日期格式(yyyy年份、MM月份、dd天、hh(12)HH(24)小时、mm分钟、ss秒、SSS毫秒、Z时区)
  * @return {Date}
  */
function toStringDate (str, format) {
  if (str) {
    var isDType = isDate(str)
    if (isDType || (!format && /^[0-9]{11,15}$/.test(str))) {
      return new Date(isDType ? helperGetDateTime(str) : staticParseInt(str))
    }
    if (isString(str)) {
      var resMaps = format ? parseCustomRules(str, format) : parseDefaultRules(str)
      if (resMaps.y) {
        if (resMaps.M) {
          resMaps.M = toParseNum(resMaps.M) - 1
        }
        if (resMaps.S) {
          // 如果7位则是微秒，只精确到3位毫秒
          resMaps.S = toParseMs(toParseNum(resMaps.S.substring(0, 3)))
        }
        if (resMaps.Z) {
          return parseTimeZone(resMaps)
        } else {
          return new Date(resMaps.y, resMaps.M || 0, resMaps.d || 1, resMaps.H || 0, resMaps.m || 0, resMaps.s || 0, resMaps.S || 0)
        }
      }
    }
  }
  return new Date('')
}








function handleCustomTemplate (date, formats, match, value) {
  var format = formats[match]
  if (format) {
    if (isFunction(format)) {
      return format(value, match, date)
    } else {
      return format[value]
    }
  }
  return value
}

var dateFormatRE = /\[([^\]]+)]|y{2,4}|M{1,2}|d{1,2}|H{1,2}|h{1,2}|m{1,2}|s{1,2}|S{1,3}|Z{1,2}|W{1,2}|D{1,3}|[aAeEq]/g

/**
  * 日期格式化为字符串，转义符号 []
  *
  * @param {Date} date 日期或数字
  * @param {String} format 输出日期格式(年份(yy|yyyy)、月份(M|MM自动补0)、天(d|dd自动补0)、12小时制(h|hh自动补0)、24小时制(H|HH自动补0)、分钟(m|mm自动补0)、秒(s|ss自动补0)、毫秒(S|SSS自动补0)、D当年的第几天、a/A上午下午、e/E星期几、w当年的第几周、W当月的第几周、q当年第几个季度、Z时区)
  * @param {Object} options {formats: {q: ['日', '一', '二', '三', '四', '五', '六'], E: function (value, match, date) {return '三'}, }} 自定义格式化模板
  * @return {String}
  */
function toDateString (date, format, options) {
  if (date) {
    date = toStringDate(date)
    if (isValidDate(date)) {
      var result = format || setupDefaults.parseDateFormat || setupDefaults.formatString
      var hours = date.getHours()
      var apm = hours < 12 ? 'am' : 'pm'
      var formats = assign({}, setupDefaults.parseDateRules || setupDefaults.formatStringMatchs, options ? options.formats : null)
      var fy = function (match, length) {
        return ('' + helperGetDateFullYear(date)).substr(4 - length)
      }
      var fM = function (match, length) {
        return padStart(helperGetDateMonth(date) + 1, length, '0')
      }
      var fd = function (match, length) {
        return padStart(date.getDate(), length, '0')
      }
      var fH = function (match, length) {
        return padStart(hours, length, '0')
      }
      var fh = function (match, length) {
        return padStart(hours <= 12 ? hours : hours - 12, length, '0')
      }
      var fm = function (match, length) {
        return padStart(date.getMinutes(), length, '0')
      }
      var fs = function (match, length) {
        return padStart(date.getSeconds(), length, '0')
      }
      var fS = function (match, length) {
        return padStart(date.getMilliseconds(), length, '0')
      }
      var fZ = function (match, length) {
        var zoneHours = date.getTimezoneOffset() / 60 * -1
        return handleCustomTemplate(date, formats, match, (zoneHours >= 0 ? '+' : '-') + padStart(zoneHours, 2, '0') + (length === 1 ? ':' : '') + '00')
      }
      var fW = function (match, length) {
        return padStart(handleCustomTemplate(date, formats, match, getYearWeek(date, (options ? options.firstDay : null) || setupDefaults.firstDayOfWeek)), length, '0')
      }
      var fD = function (match, length) {
        return padStart(handleCustomTemplate(date, formats, match, getYearDay(date)), length, '0')
      }
      var parseDates = {
        yyyy: fy,
        yy: fy,
        MM: fM,
        M: fM,
        dd: fd,
        d: fd,
        HH: fH,
        H: fH,
        hh: fh,
        h: fh,
        mm: fm,
        m: fm,
        ss: fs,
        s: fs,
        SSS: fS,
        S: fS,
        ZZ: fZ,
        Z: fZ,
        WW: fW,
        W: fW,
        DDD: fD,
        D: fD,
        a: function (match) {
          return handleCustomTemplate(date, formats, match, apm)
        },
        A: function (match) {
          return handleCustomTemplate(date, formats, match, helperStringUpperCase(apm))
        },
        e: function (match) {
          return handleCustomTemplate(date, formats, match, date.getDay())
        },
        E: function (match) {
          return handleCustomTemplate(date, formats, match, date.getDay())
        },
        q: function (match) {
          return handleCustomTemplate(date, formats, match, Math.floor((helperGetDateMonth(date) + 3) / 3))
        }
      }
      return result.replace(dateFormatRE, function (match, skip) {
        return skip || (parseDates[match] ? parseDates[match](match, match.length) : match)
      })
    }
    return 'Invalid Date'
  }
  return ''
}





/**
  * 返回前几年或后几年的日期
  *
  * @param {Date} date 日期或数字
  * @param {Number} offset 年(默认当前年)、前几个年(数值)、后几个年(数值)
  * @param {Number/String} month 获取哪月(null默认当前年)、年初(first)、年末(last)、指定月份（0-11）
  * @return {Date}
  */
function getWhatYear (date, offset, month) {
  var number
  date = toStringDate(date)
  if (isValidDate(date)) {
    if (offset) {
      number = offset && !isNaN(offset) ? offset : 0
      date.setFullYear(helperGetDateFullYear(date) + number)
    }
    if (month || !isNaN(month)) {
      if (month === staticStrFirst) {
        return new Date(helperGetDateFullYear(date), 0, 1)
      } else if (month === staticStrLast) {
        date.setMonth(11)
        return getWhatMonth(date, 0, staticStrLast)
      } else {
        date.setMonth(month)
      }
    }
  }
  return date
}





function getQuarterNumber (date) {
  var month = date.getMonth()
  if (month < 3) {
    return 1
  } else if (month < 6) {
    return 2
  } else if (month < 9) {
    return 3
  }
  return 4
}

/**
  * 返回前几季度或后几季度的日期
  *
  * @param {Date} date 日期
  * @param {Number} offset 季度(默认当前季度)、前几季度、后几季度
  * @param {Number} day 获取哪天：月初(first)、月末(last)、指定天数(数值)，如果为空，但超过指定月份的天数时，则默认单月最后一天
  * @return {Date}
  */
function getWhatQuarter (date, offset, day) {
  var currMonth, monthOffset = offset && !isNaN(offset) ? offset * 3 : 0
  date = toStringDate(date)
  if (isValidDate(date)) {
    currMonth = (getQuarterNumber(date) - 1) * 3
    date.setMonth(currMonth)
    return getWhatMonth(date, monthOffset, day)
  }
  return date
}





/**
  * 返回前几月或后几月的日期
  *
  * @param {Date} date 日期或数字
  * @param {Number} offsetMonth 月(默认当前月)、前几个月、后几个月
  * @param {Number/String} offsetDay 获取哪天：月初(first)、月末(last)、指定天数(数值)，如果为空，但超过指定月份的天数时，则默认单月最后一天
  * @return {Date}
  */
function getWhatMonth (date, offsetMonth, offsetDay) {
  var monthNum = offsetMonth && !isNaN(offsetMonth) ? offsetMonth : 0
  date = toStringDate(date)
  if (isValidDate(date)) {
    if (offsetDay === staticStrFirst) {
      return new Date(helperGetDateFullYear(date), helperGetDateMonth(date) + monthNum, 1)
    } else if (offsetDay === staticStrLast) {
      return new Date(helperGetDateTime(getWhatMonth(date, monthNum + 1, staticStrFirst)) - 1)
    } else if (isNumber(offsetDay)) {
      date.setDate(offsetDay)
    }
    if (monthNum) {
      var currDate = date.getDate()
      date.setMonth(helperGetDateMonth(date) + monthNum)
      if (currDate !== date.getDate()) {
        // 当为指定天数，且被跨月了，则默认单月最后一天
        date.setDate(1)
        return new Date(helperGetDateTime(date) - staticDayTime)
      }
    }
  }
  return date
}







/**
  * 返回前几周或后几周的星期几
  *
  * @param {Date} date 日期
  * @param {Number} offsetWeek 周(默认当前周)、前几周、后几周
  * @param {Number} offsetDay 星期天(默认0)、星期一(1)、星期二(2)、星期三(3)、星期四(4)、星期五(5)、星期六(6)
  * @param {Number} firstDay 周视图的起始天，默认星期一
  * @return {Date}
  */
function getWhatWeek (date, offsetWeek, offsetDay, firstDay) {
  date = toStringDate(date)
  if (isValidDate(date)) {
    var hasCustomDay = isNumber(offsetDay)
    var hasStartDay = isNumber(firstDay)
    var whatDayTime = helperGetDateTime(date)
    // 如果指定了天或周视图起始天
    if (hasCustomDay || hasStartDay) {
      var viewStartDay = hasStartDay ? firstDay : setupDefaults.firstDayOfWeek
      var currentDay = date.getDay()
      var customDay = hasCustomDay ? offsetDay : currentDay
      if (currentDay !== customDay) {
        var offsetNum = 0
        if (viewStartDay > currentDay) {
          offsetNum = -(7 - viewStartDay + currentDay)
        } else if (viewStartDay < currentDay) {
          offsetNum = viewStartDay - currentDay
        }
        if (customDay > viewStartDay) {
          whatDayTime += ((customDay === 0 ? 7 : customDay) - viewStartDay + offsetNum) * staticDayTime
        } else if (customDay < viewStartDay) {
          whatDayTime += (7 - viewStartDay + customDay + offsetNum) * staticDayTime
        } else {
          whatDayTime += offsetNum * staticDayTime
        }
      }
    }
    if (offsetWeek && !isNaN(offsetWeek)) {
      whatDayTime += offsetWeek * staticWeekTime
    }
    return new Date(whatDayTime)
  }
  return date
}





/**
  * 返回前几天或后几天的日期
  *
  * @param {Date} date 日期或数字
  * @param {Number} offset 天(默认当天)、前几天、后几天
  * @param {String} mode 获取时分秒(null默认当前时分秒)、日初(first)、日末(last)
  * @return {Date}
  */
function getWhatDay (date, offset, mode) {
  date = toStringDate(date)
  if (isValidDate(date) && !isNaN(offset)) {
    date.setDate(date.getDate() + staticParseInt(offset))
    if (mode === staticStrFirst) {
      return new Date(helperGetDateFullYear(date), helperGetDateMonth(date), date.getDate())
    } else if (mode === staticStrLast) {
      return new Date(helperGetDateTime(getWhatDay(date, 1, staticStrFirst)) - 1)
    }
  }
  return date
}






/**
  * 返回某个年份的第几天
  *
  * @param {Date} date 日期或数字
  * @return {Number}
  */
function getYearDay (date) {
  date = toStringDate(date)
  if (isValidDate(date)) {
    return Math.floor((helperGetYMDTime(date) - helperGetYMDTime(getWhatYear(date, 0, staticStrFirst))) / staticDayTime) + 1
  }
  return NaN
}



/**
  * 返回某个年份的第几周
  *
  * @param {Date} date 日期或数字
  * @param {Number} firstDay 从年初的星期几为起始开始周开始算，默认星期一
  * @return {Number}
  */
var getYearWeek = helperCreateGetDateWeek(function (targetDate) {
  return new Date(targetDate.getFullYear(), 0, 1)
})



/**
  * 返回某个月的第几周
  *
  * @param {Date} date 日期或数字
  * @param {Number} firstDay 周视图的起始天，默认星期一
  * @return {Number}
  */
var getMonthWeek = helperCreateGetDateWeek(function (targetDate) {
  return new Date(targetDate.getFullYear(), targetDate.getMonth(), 1)
})




/**
  * 返回某个年份的天数
  *
  * @param {Date} date 日期或数字
  * @param {Number} offset 年(默认当年)、前几个年、后几个年
  * @return {Number}
  */
function getDayOfYear (date, year) {
  date = toStringDate(date)
  if (isValidDate(date)) {
    return isLeapYear(getWhatYear(date, year)) ? 366 : 365
  }
  return NaN
}






/**
  * 返回某个月份的天数
  *
  * @param {Date} date 日期或数字
  * @param {Number} offset 月(默认当月)、前几个月、后几个月
  * @return {Number}
  */
function getDayOfMonth (date, month) {
  date = toStringDate(date)
  if (isValidDate(date)) {
    return Math.floor((helperGetDateTime(getWhatMonth(date, month, staticStrLast)) - helperGetDateTime(getWhatMonth(date, month, staticStrFirst))) / staticDayTime) + 1
  }
  return NaN
}






/**
  * 返回两个日期之间差距,如果结束日期小于开始日期done为fasle
  *
  * @param {Date} startDate 开始日期
  * @param {Date} endDate 结束日期或当期日期
  * @param {Date} rule 自定义计算规则
  * @return {Object}
  */
function getDateDiff (startDate, endDate, rules) {
  var startTime, endTime, item, diffTime, rule, len, index
  var result = { done: false, time: 0 }
  startDate = toStringDate(startDate)
  endDate = endDate ? toStringDate(endDate) : helperNewDate()
  if (isValidDate(startDate) && isValidDate(endDate)) {
    startTime = helperGetDateTime(startDate)
    endTime = helperGetDateTime(endDate)
    if (startTime < endTime) {
      diffTime = result.time = endTime - startTime
      rule = rules && rules.length > 0 ? rules : setupDefaults.dateDiffRules
      result.done = true
      for (index = 0, len = rule.length; index < len; index++) {
        item = rule[index]
        if (diffTime >= item[1]) {
          if (index === len - 1) {
            result[item[0]] = diffTime || 0
          } else {
            result[item[0]] = Math.floor(diffTime / item[1])
            diffTime -= result[item[0]] * item[1]
          }
        } else {
          result[item[0]] = 0
        }
      }
    }
  }
  return result
}



/**
  * 去除字符串左右两边的空格
  *
  * @param {String} str 字符串
  * @return {String}
  */
function trim (str) {
  return str && str.trim ? str.trim() : trimRight(trimLeft(str))
}



/**
  * 去除字符串左边的空格
  *
  * @param {String} str 字符串
  * @return {String}
  */
function trimLeft (str) {
  return str && str.trimLeft ? str.trimLeft() : toValueString(str).replace(/^[\s\uFEFF\xA0]+/g, '')
}



/**
  * 去除字符串右边的空格
  *
  * @param {String} str 字符串
  * @return {String}
  */
function trimRight (str) {
  return str && str.trimRight ? str.trimRight() : toValueString(str).replace(/[\s\uFEFF\xA0]+$/g, '')
}




/**
  * 转义HTML字符串，替换&, <, >, ", ', `字符
  *
  * @param {String} str 字符串
  * @return {String}
  */
var escape = helperFormatEscaper(staticEscapeMap)





var unescapeMap = {}
each(staticEscapeMap, function (item, key) {
  unescapeMap[staticEscapeMap[key]] = key
})

/**
  * 反转escape
  *
  * @param {String} str 字符串
  * @return {String}
  */
var unescape = helperFormatEscaper(unescapeMap)



var camelCacheMaps = {}

/**
  * 将带字符串转成驼峰字符串,例如： project-name 转为 projectName
  *
  * @param {String} str 字符串
  * @return {String}
  */
function camelCase (str) {
  str = toValueString(str)
  if (camelCacheMaps[str]) {
    return camelCacheMaps[str]
  }
  var strLen = str.length
  var rest = str.replace(/([-]+)/g, function (text, flag, index) {
    return index && index + flag.length < strLen ? '-' : ''
  })
  strLen = rest.length
  rest = rest.replace(/([A-Z]+)/g, function (text, upper, index) {
    var upperLen = upper.length
    upper = helperStringLowerCase(upper)
    if (index) {
      if (upperLen > 2 && index + upperLen < strLen) {
        return helperStringUpperCase(helperStringSubstring(upper, 0, 1)) + helperStringSubstring(upper, 1, upperLen - 1) + helperStringUpperCase(helperStringSubstring(upper, upperLen - 1, upperLen))
      }
      return helperStringUpperCase(helperStringSubstring(upper, 0, 1)) + helperStringSubstring(upper, 1, upperLen)
    } else {
      if (upperLen > 1 && index + upperLen < strLen) {
        return helperStringSubstring(upper, 0, upperLen - 1) + helperStringUpperCase(helperStringSubstring(upper, upperLen - 1, upperLen))
      }
    }
    return upper
  }).replace(/(-[a-zA-Z])/g, function (text, upper) {
    return helperStringUpperCase(helperStringSubstring(upper, 1, upper.length))
  })
  camelCacheMaps[str] = rest
  return rest
}



var kebabCacheMaps = {}

/**
  * 将带驼峰字符串转成字符串,例如： projectName 转为 project-name
  *
  * @param {String} str 字符串
  * @return {String}
  */
function kebabCase (str) {
  str = toValueString(str)
  if (kebabCacheMaps[str]) {
    return kebabCacheMaps[str]
  }
  if (/^[A-Z]+$/.test(str)) {
    return helperStringLowerCase(str)
  }
  var rest = str.replace(/^([a-z])([A-Z]+)([a-z]+)$/, function (text, prevLower, upper, nextLower) {
    var upperLen = upper.length
    if (upperLen > 1) {
      return prevLower + '-' + helperStringLowerCase(helperStringSubstring(upper, 0, upperLen - 1)) + '-' + helperStringLowerCase(helperStringSubstring(upper, upperLen - 1, upperLen)) + nextLower
    }
    return helperStringLowerCase(prevLower + '-' + upper + nextLower)
  }).replace(/^([A-Z]+)([a-z]+)?$/, function (text, upper, nextLower) {
    var upperLen = upper.length
    return helperStringLowerCase(helperStringSubstring(upper, 0, upperLen - 1) + '-' + helperStringSubstring(upper, upperLen - 1, upperLen) + (nextLower || ''))
  }).replace(/([a-z]?)([A-Z]+)([a-z]?)/g, function (text, prevLower, upper, nextLower, index) {
    var upperLen = upper.length
    if (upperLen > 1) {
      if (prevLower) {
        prevLower += '-'
      }
      if (nextLower) {
        return (prevLower || '') + helperStringLowerCase(helperStringSubstring(upper, 0, upperLen - 1)) + '-' + helperStringLowerCase(helperStringSubstring(upper, upperLen - 1, upperLen)) + nextLower
      }
    }
    return (prevLower || '') + (index ? '-' : '') + helperStringLowerCase(upper) + (nextLower || '')
  })
  rest = rest.replace(/([-]+)/g, function (text, flag, index) {
    return index && index + flag.length < rest.length ? '-' : ''
  })
  kebabCacheMaps[str] =  rest
  return rest
}




/**
  * 将字符串重复 n 次
  *
  * @param {String} str 字符串
  * @param {Number} count 次数
  * @return {String}
  */
function repeat (str, count) {
  return helperStringRepeat(toValueString(str), count)
}





/**
  * 用指定字符从前面开始补全字符串
  *
  * @param {String} str 字符串
  * @param {Number} targetLength 结果长度
  * @param {Number} padString 补全字符
  * @return {String}
  */
function padStart (str, targetLength, padString) {
  var rest = toValueString(str)
  targetLength = targetLength >> 0
  padString = isUndefined(padString) ? ' ' : '' + padString
  if (rest.padStart) {
    return rest.padStart(targetLength, padString)
  }
  if (targetLength > rest.length) {
    targetLength -= rest.length
    if (targetLength > padString.length) {
      padString += helperStringRepeat(padString, targetLength / padString.length)
    }
    return padString.slice(0, targetLength) + rest
  }
  return rest
}





/**
  * 用指定字符从后面开始补全字符串
  *
  * @param {String} str 字符串
  * @param {Number} targetLength 结果长度
  * @param {Number} padString 补全字符
  * @return {String}
  */
function padEnd (str, targetLength, padString) {
  var rest = toValueString(str)
  targetLength = targetLength >> 0
  padString = isUndefined(padString) ? ' ' : '' + padString
  if (rest.padEnd) {
    return rest.padEnd(targetLength, padString)
  }
  if (targetLength > rest.length) {
    targetLength -= rest.length
    if (targetLength > padString.length) {
      padString += helperStringRepeat(padString, targetLength / padString.length)
    }
    return rest + padString.slice(0, targetLength)
  }
  return rest
}



/**
  * 判断字符串是否在源字符串的头部
  *
  * @param {String} str 字符串
  * @param {String/Number} val 值
  * @param {Number} startIndex 开始索引
  * @return {String}
  */
function startsWith (str, val, startIndex) {
  var rest = toValueString(str)
  return (arguments.length === 1 ? rest : rest.substring(startIndex)).indexOf(val) === 0
}



/**
  * 判断字符串是否在源字符串的尾部
  *
  * @param {String} str 字符串
  * @param {String/Number} val 值
  * @param {Number} startIndex 开始索引
  * @return {String}
  */
function endsWith (str, val, startIndex) {
  var rest = toValueString(str)
  var argsLen = arguments.length
  return argsLen > 1 && (argsLen > 2 ? rest.substring(0, startIndex).indexOf(val) === startIndex - 1 : rest.indexOf(val) === rest.length - 1)
}





/**
 * 解析动态字符串模板
 * @param {atring} str 字符串模板
 * @param {any | any[]} args 对象
 * @param {any} options 
 */
function template (str, args, options) {
  return toValueString(str).replace((options || setupDefaults).tmplRE || /\{{2}([.\w[\]\s]+)\}{2}/g, function (match, key) {
    return get(args, trim(key))
  })
}



/**
 * 字符串格式化占位符
 * @param { string } str 
 * @param { object | any[] } obj 
 */
function toFormatString (str, obj) {
  return template(str, obj,{ tmplRE: /\{([.\w[\]\s]+)\}/g })
}





function toValueString (obj) {
  if (isNumber(obj)) {
    return toNumberString(obj)
  }
  return '' + (eqNull(obj) ? '' : obj)
}


/**
 * 一个空的方法，始终返回 undefined，可用于初始化值
 */
function noop () {}



/**
 * 返回一个获取对象属性的函数
 *
 * @param {String} name 属性名
 * @param {Object} defs 空值
 */
function property (name, defs) {
  return function (obj) {
    return isNull(obj) ? defs : obj[name]
  }
}



/**
  * 创建一个绑定上下文的函数
  *
  * @param {Function} callback 函数
  * @param {Object} context 上下文
  * @param {*} args 额外的参数
  * @return {Object}
  */
function bind (callback, context) {
  var args = slice(arguments, 2)
  return function () {
    return callback.apply(context, slice(arguments).concat(args))
  }
}



/**
  * 创建一个只能调用一次的函数,只会返回第一次执行后的结果
  *
  * @param {Function} callback 函数
  * @param {Object} context 上下文
  * @param {*} args 额外的参数
  * @return {Object}
  */
function once (callback, context) {
  var done = false
  var rest = null
  var args = slice(arguments, 2)
  return function () {
    if (done) {
      return rest
    }
    rest = callback.apply(context, slice(arguments).concat(args))
    done = true
    return rest
  }
}



/**
  * 创建一个函数, 调用次数超过 count 次之后执行回调并将所有结果记住后返回
  *
  * @param {Number} count 调用次数
  * @param {Function} callback 完成回调
  * @return {Object}
  */
function after (count, callback, context) {
  var runCount = 0
  var rests = []
  return function () {
    var args = arguments
    runCount++
    if (runCount <= count) {
      rests.push(args[0])
    }
    if (runCount >= count) {
      callback.apply(context, [rests].concat(slice(args)))
    }
  }
}



/**
  * 创建一个函数, 调用次数不超过 count 次之前执行回调并将所有结果记住后返回
  *
  * @param {Number} count 调用次数
  * @param {Function} callback 完成回调
  * @return {Object}
  */
function before (count, callback, context) {
  var runCount = 0
  var rests = []
  context = context || this
  return function () {
    var args = arguments
    runCount++
    if (runCount < count) {
      rests.push(args[0])
      callback.apply(context, [rests].concat(slice(args)))
    }
  }
}


/**
  * 节流函数；当被调用 n 毫秒后才会执行，如果在这时间内又被调用则至少每隔 n 秒毫秒调用一次该函数
  *
  * @param {Function} callback 回调
  * @param {Number} wait 多少秒毫
  * @param {Object} options 参数{leading: 是否在之前执行, trailing: 是否在之后执行}
  * @return {Function}
  */
function throttle (callback, wait, options) {
  var args, context
  var opts = options || {}
  var runFlag = false
  var isDestroy = false
  var timeout = 0
  var optLeading = 'leading' in opts ? opts.leading : true
  var optTrailing = 'trailing' in opts ? opts.trailing : false
  var runFn = function () {
    if (!isDestroy) {
      runFlag = true
      callback.apply(context, args)
      timeout = setTimeout(endFn, wait)
    }
  }
  var endFn = function () {
    timeout = 0
    if (!isDestroy && !runFlag && optTrailing === true) {
      runFn()
    }
  }
  var cancelFn = function () {
    var rest = timeout !== 0
    clearTimeout(timeout)
    args = null
    context = null
    runFlag = false
    timeout = 0
    return rest
  }
  var throttled = function () {
    args = arguments
    context = this
    runFlag = false
    if (timeout === 0) {
      if (optLeading === true) {
        runFn()
      } else if (optTrailing === true) {
        timeout = setTimeout(endFn, wait)
      }
    }
  }
  throttled.cancel = cancelFn
  return throttled
}


/**
  * 函数去抖；当被调用 n 毫秒后才会执行，如果在这时间内又被调用则将重新计算执行时间
  *
  * @param {Function} callback 回调
  * @param {Number} wait 多少秒毫
  * @param {Object} options 参数{leading: 是否在之前执行, trailing: 是否在之后执行}
  * @return {Function}
  */
function debounce (callback, wait, options) {
  var args, context
  var opts = options || {}
  var runFlag = false
  var isDestroy = false
  var timeout = 0
  var isLeading = typeof options === 'boolean'
  var optLeading = 'leading' in opts ? opts.leading : isLeading
  var optTrailing = 'trailing' in opts ? opts.trailing : !isLeading
  var runFn = function () {
    if (!isDestroy) {
      runFlag = true
      timeout = 0
      callback.apply(context, args)
    }
  }
  var endFn = function () {
    if (optLeading === true) {
      timeout = 0
    }
    if (!isDestroy && !runFlag && optTrailing === true) {
      runFn()
    }
  }
  var cancelFn = function () {
    var rest = timeout !== 0
    clearTimeout(timeout)
    args = null
    context = null
    timeout = 0
    return rest
  }
  var debounced = function () {
    runFlag = false
    args = arguments
    context = this
    if (timeout === 0) {
      if (optLeading === true) {
        runFn()
      }
    } else {
      clearTimeout(timeout)
    }
    timeout = setTimeout(endFn, wait)
  }
  debounced.cancel = cancelFn
  return debounced
}



/**
  * 该方法和 setTimeout 一样的效果，区别就是支持上下文和额外参数
  *
  * @param {Function} callback 函数
  * @param {Number} wait 延迟毫秒
  * @param {*} args 额外的参数
  * @return {Number}
 */
function delay (callback, wait) {
  var args = slice(arguments, 2)
  var context = this
  return setTimeout(function () {
    callback.apply(context, args)
  }, wait)
}





function parseURLQuery (uri) {
  return unserialize(uri.split('?')[1] || '')
}

function parseUrl (url) {
  var hashs, portText, searchs, parsed
  var href = '' + url
  if (href.indexOf('//') === 0) {
    href = (staticLocation ? staticLocation.protocol : '') + href
  } else if (href.indexOf('/') === 0) {
    href = helperGetLocatOrigin() + href
  }
  searchs = href.replace(/#.*/, '').match(/(\?.*)/)
  parsed = {
    href: href,
    hash: '',
    host: '',
    hostname: '',
    protocol: '',
    port: '',
    search: searchs && searchs[1] && searchs[1].length > 1 ? searchs[1] : ''
  }
  parsed.path = href.replace(/^([a-z0-9.+-]*:)\/\//, function (text, protocol) {
    parsed.protocol = protocol
    return ''
  }).replace(/^([a-z0-9.+-]*)(:\d+)?\/?/, function (text, hostname, port) {
    portText = port || ''
    parsed.port = portText.replace(':', '')
    parsed.hostname = hostname
    parsed.host = hostname + portText
    return '/'
  }).replace(/(#.*)/, function (text, hash) {
    parsed.hash = hash.length > 1 ? hash : ''
    return ''
  })
  hashs = parsed.hash.match(/#((.*)\?|(.*))/)
  parsed.pathname = parsed.path.replace(/(\?|#.*).*/, '')
  parsed.origin = parsed.protocol + '//' + parsed.host
  parsed.hashKey = hashs ? (hashs[2] || hashs[1] || '') : ''
  parsed.hashQuery = parseURLQuery(parsed.hash)
  parsed.searchQuery = parseURLQuery(parsed.search)
  return parsed
}




function stringifyParams (resultVal, resultKey, isArr) {
  var _arr
  var result = []
  each(resultVal, function (item, key) {
    _arr = isArray(item)
    if (isPlainObject(item) || _arr) {
      result = result.concat(stringifyParams(item, resultKey + '[' + key + ']', _arr))
    } else {
      result.push(staticEncodeURIComponent(resultKey + '[' + (isArr ? '' : key) + ']') + '=' + staticEncodeURIComponent(isNull(item) ? '' : item))
    }
  })
  return result
}

/**
 * 序列化查询参数
 *
 * @param {Object} query 查询参数
 */
function serialize (query) {
  var _arr
  var params = []
  each(query, function (item, key) {
    if (!isUndefined(item)) {
      _arr = isArray(item)
      if (isPlainObject(item) || _arr) {
        params = params.concat(stringifyParams(item, key, _arr))
      } else {
        params.push(staticEncodeURIComponent(key) + '=' + staticEncodeURIComponent(isNull(item) ? '' : item))
      }
    }
  })
  return params.join('&').replace(/%20/g, '+')
}





/**
 * 反序列化查询参数
 * @param {String} query 字符串
 */
function unserialize (str) {
  var items
  var result = {}
  if (str && isString(str)) {
    arrayEach(str.split('&'), function (param) {
      items = param.split('=')
      result[staticDecodeURIComponent(items[0])] = staticDecodeURIComponent(items[1] || '')
    })
  }
  return result
}





function getBaseURL () {
  if (staticLocation) {
    var pathname = staticLocation.pathname
    var lastIndex = lastIndexOf(pathname, '/') + 1
    return helperGetLocatOrigin() + (lastIndex === pathname.length ? pathname : pathname.substring(0, lastIndex))
  }
  return ''
}




/**
  * 获取地址栏信息
  *
  * @return Object
  */
function locat () {
  return staticLocation ? parseUrl(staticLocation.href) : {}
}




/* eslint-disable valid-typeof */
function isBrowseStorage (storage) {
  try {
    var testKey = '__xe_t'
    storage.setItem(testKey, 1)
    storage.removeItem(testKey)
    return true
  } catch (e) {
    return false
  }
}

function isBrowseType (type) {
  return navigator.userAgent.indexOf(type) > -1
}

/**
  * 获取浏览器内核
  * @return Object
  */
function browse () {
  var $body, isChrome, isEdge
  var isMobile = false
  var result = {
    isNode: false,
    isMobile: isMobile,
    isPC: false,
    isDoc: !!staticDocument
  }
  if (!staticWindow && typeof process !== staticStrUndefined) {
    result.isNode = true
  } else {
    isEdge = isBrowseType('Edge')
    isChrome = isBrowseType('Chrome')
    isMobile = /(Android|webOS|iPhone|iPad|iPod|SymbianOS|BlackBerry|Windows Phone)/.test(navigator.userAgent)
    if (result.isDoc) {
      $body = staticDocument.body || staticDocument.documentElement
      arrayEach(['webkit', 'khtml', 'moz', 'ms', 'o'], function (core) {
        result['-' + core] = !!$body[core + 'MatchesSelector']
      })
    }
    assign(result, {
      edge: isEdge,
      firefox: isBrowseType('Firefox'),
      msie: !isEdge && result['-ms'],
      safari: !isChrome && !isEdge && isBrowseType('Safari'),
      isMobile: isMobile,
      isPC: !isMobile,
      isLocalStorage: isBrowseStorage(staticWindow.localStorage),
      isSessionStorage: isBrowseStorage(staticWindow.sessionStorage)
    })
  }
  return result
}







function toCookieUnitTime (unit, expires) {
  var num = parseFloat(expires)
  var nowdate = helperNewDate()
  var time = helperGetDateTime(nowdate)
  switch (unit) {
    case 'y': return helperGetDateTime(getWhatYear(nowdate, num))
    case 'M': return helperGetDateTime(getWhatMonth(nowdate, num))
    case 'd': return helperGetDateTime(getWhatDay(nowdate, num))
    case 'h':
    case 'H': return time + num * 60 * 60 * 1000
    case 'm': return time + num * 60 * 1000
    case 's': return time + num * 1000
  }
  return time
}

function toCookieUTCString (date) {
  return (isDate(date) ? date : new Date(date)).toUTCString()
}

/**
  * cookie操作函数
  * @param {String/Array/Object} name 键/数组/对象
  * @param {String} value 值
  * @param {Object} options 参数
  *   @param {String} name: 键
  *   @param {Object} value: 值
  *   @param {String} path: 路径
  *   @param {String} domain: 作用域
  *   @param {Boolean} secure: 设置为安全的,只能用https协议
  *   @param {Number} expires: 过期时间,可以指定日期或者字符串，默认天
  */
function cookie (name, value, options) {
  if (staticDocument) {
    var opts, expires, values, result, cookies, keyIndex
    var inserts = []
    var args = arguments
    if (isArray(name)) {
      inserts = name
    } else if (args.length > 1) {
      inserts = [assign({ name: name, value: value }, options)]
    } else if (isObject(name)) {
      inserts = [name]
    }
    if (inserts.length > 0) {
      arrayEach(inserts, function (obj) {
        opts = assign({}, setupDefaults.cookies, obj)
        values = []
        if (opts.name) {
          expires = opts.expires
          values.push(staticEncodeURIComponent(opts.name) + '=' + staticEncodeURIComponent(isObject(opts.value) ? JSON.stringify(opts.value) : opts.value))
          if (expires) {
            if (isNaN(expires)) {
              // UTCString || Unit
              expires = expires.replace(/^([0-9]+)(y|M|d|H|h|m|s)$/, function (text, num, unit) {
                return toCookieUTCString(toCookieUnitTime(unit, num))
              })
            } else if (/^[0-9]{11,13}$/.test(expires) || isDate(expires)) {
              // Date || now
              expires = toCookieUTCString(expires)
            } else {
              // day
              expires = toCookieUTCString(toCookieUnitTime('d', expires))
            }
            opts.expires = expires
          }
          arrayEach(['expires', 'path', 'domain', 'secure'], function (key) {
            if (!isUndefined(opts[key])) {
              values.push(opts[key] && key === 'secure' ? key : (key + '=' + opts[key]))
            }
          })
        }
        staticDocument.cookie = values.join('; ')
      })
      return true
    } else {
      result = {}
      cookies = staticDocument.cookie
      if (cookies) {
        arrayEach(cookies.split('; '), function (val) {
          keyIndex = val.indexOf('=')
          result[staticDecodeURIComponent(val.substring(0, keyIndex))] = staticDecodeURIComponent(val.substring(keyIndex + 1) || '')
        })
      }
      return args.length === 1 ? result[name] : result
    }
  }
  return false
}

function hasCookieItem (value) {
  return includes(cookieKeys(), value)
}

function getCookieItem (name) {
  return cookie(name)
}

function setCookieItem (name, value, options) {
  cookie(name, value, options)
  return cookie
}

function removeCookieItem (name, options) {
  cookie(name, '', assign({ expires: -1 }, setupDefaults.cookies, options))
}

function cookieKeys () {
  return keys(cookie())
}

function cookieJson () {
  return cookie()
}

assign(cookie, {
  has: hasCookieItem,
  set: setCookieItem,
  setItem: setCookieItem,
  get: getCookieItem,
  getItem: getCookieItem,
  remove: removeCookieItem,
  removeItem: removeCookieItem,
  keys: cookieKeys,
  getJSON: cookieJson
})



// 核心

// 对象相关的方法

// 数组相关的方法

// 基础方法

// 数值相关方法

// 日期相关的方法

// 字符串相关的方法

// 函数相关的方法

// 地址相关的方法

// 浏览器相关的方法

assign(XEUtils, {
  // object
  assign: assign,
  objectEach: objectEach,
  lastObjectEach: lastObjectEach,
  objectMap: objectMap,
  merge: merge,

  // array
  uniq: uniq,
  union: union,
  sortBy: sortBy,
  orderBy: orderBy,
  shuffle: shuffle,
  sample: sample,
  some: some,
  every: every,
  slice: slice,
  filter: filter,
  find: find,
  findLast: findLast,
  findKey: findKey,
  includes: includes,
  arrayIndexOf: arrayIndexOf,
  arrayLastIndexOf: arrayLastIndexOf,
  map: map,
  reduce: reduce,
  copyWithin: copyWithin,
  chunk: chunk,
  zip: zip,
  unzip: unzip,
  zipObject: zipObject,
  flatten: flatten,
  toArray: toArray,
  includeArrays: includeArrays,
  pluck: pluck,
  invoke: invoke,
  arrayEach: arrayEach,
  lastArrayEach: lastArrayEach,
  toArrayTree: toArrayTree,
  toTreeArray: toTreeArray,
  findTree: findTree,
  eachTree: eachTree,
  mapTree: mapTree,
  filterTree: filterTree,
  searchTree: searchTree,

  // base
  hasOwnProp: hasOwnProp,
  eqNull: eqNull,
  isNaN: isNumberNaN,
  isFinite: isNumberFinite,
  isUndefined: isUndefined,
  isArray: isArray,
  isFloat: isFloat,
  isInteger: isInteger,
  isFunction: isFunction,
  isBoolean: isBoolean,
  isString: isString,
  isNumber: isNumber,
  isRegExp: isRegExp,
  isObject: isObject,
  isPlainObject: isPlainObject,
  isDate: isDate,
  isError: isError,
  isTypeError: isTypeError,
  isEmpty: isEmpty,
  isNull: isNull,
  isSymbol: isSymbol,
  isArguments: isArguments,
  isElement: isElement,
  isDocument: isDocument,
  isWindow: isWindow,
  isFormData: isFormData,
  isMap: isMap,
  isWeakMap: isWeakMap,
  isSet: isSet,
  isWeakSet: isWeakSet,
  isLeapYear: isLeapYear,
  isMatch: isMatch,
  isEqual: isEqual,
  isEqualWith: isEqualWith,
  getType: getType,
  uniqueId: uniqueId,
  getSize: getSize,
  indexOf: indexOf,
  lastIndexOf: lastIndexOf,
  findIndexOf: findIndexOf,
  findLastIndexOf: findLastIndexOf,
  toStringJSON: toStringJSON,
  toJSONString: toJSONString,
  keys: keys,
  values: values,
  entries: entries,
  pick: pick,
  omit: omit,
  first: first,
  last: last,
  each: each,
  forOf: forOf,
  lastForOf: lastForOf,
  lastEach: lastEach,
  has: has,
  get: get,
  set: set,
  groupBy: groupBy,
  countBy: countBy,
  clone: clone,
  clear: clear,
  remove: remove,
  range: range,
  destructuring: destructuring,

  // number
  random: random,
  min: min,
  max: max,
  commafy: commafy,
  round: round,
  ceil: ceil,
  floor: floor,
  toFixed: toFixed,
  toNumber: toNumber,
  toNumberString: toNumberString,
  toInteger: toInteger,
  add: add,
  subtract: subtract,
  multiply: multiply,
  divide: divide,
  sum: sum,
  mean: mean,

  // date
  now: now,
  timestamp: timestamp,
  isValidDate: isValidDate,
  isDateSame: isDateSame,
  toStringDate: toStringDate,
  toDateString: toDateString,
  getWhatYear: getWhatYear,
  getWhatQuarter: getWhatQuarter,
  getWhatMonth: getWhatMonth,
  getWhatWeek: getWhatWeek,
  getWhatDay: getWhatDay,
  getYearDay: getYearDay,
  getYearWeek: getYearWeek,
  getMonthWeek: getMonthWeek,
  getDayOfYear: getDayOfYear,
  getDayOfMonth: getDayOfMonth,
  getDateDiff: getDateDiff,

  // string
  trim: trim,
  trimLeft: trimLeft,
  trimRight: trimRight,
  escape: escape,
  unescape: unescape,
  camelCase: camelCase,
  kebabCase: kebabCase,
  repeat: repeat,
  padStart: padStart,
  padEnd: padEnd,
  startsWith: startsWith,
  endsWith: endsWith,
  template: template,
  toFormatString: toFormatString,
  toString: toValueString,
  toValueString: toValueString,

  // function
  noop: noop,
  property: property,
  bind: bind,
  once: once,
  after: after,
  before: before,
  throttle: throttle,
  debounce: debounce,
  delay: delay,

  // url
  unserialize: unserialize,
  serialize: serialize,
  parseUrl: parseUrl,

  // web
  getBaseURL: getBaseURL,
  locat: locat,
  browse: browse,
  cookie: cookie
})


  return XEUtils
}))