/**
 * 是否有权限
 * @param {*} key
 */
export function isAuth (key) {
  return JSON.parse(sessionStorage.getItem('permissions') || '[]').indexOf(key) !== -1 || false
}

/**
 * 获取路由名称, 根据url地址
 * @param {*} url
 */
export function getRouteNameByUrl (url) {
  let val = /.*\/(.*)\.html/.exec(url)
  return val && val.length >= 1 ? val[1] : ''
}

/**
 * 树形数据转换
 * @param {*} data
 * @param {*} id
 * @param {*} pid
 */
export function treeDataTranslate (data, id = 'id', pid = 'parentId') {
  var res = []
  var temp = {}
  for (var i = 0; i < data.length; i++) {
    temp[data[i][id]] = data[i]
  }
  for (var k = 0; k < data.length; k++) {
    if (temp[data[k][pid]] && data[k][id] !== data[k][pid]) {
      if (!temp[data[k][pid]]['children']) {
        temp[data[k][pid]]['children'] = []
      }
      temp[data[k][pid]]['children'].push(data[k])
    } else {
      res.push(data[k])
    }
  }
  return res
}

/**
 * 获取字符串字节长度
 * @param {*} s
 */
export function getStringLength (s) {
  return s.replace(/[\u4e00-\u9fa5\uff00-\uffff]/g, '**').length
}