判断浏览器类型

export const getpc = () => {
  var sys = {}
  var ua = navigator.userAgent.toLowerCase()
  var s
  if (ua.match(/edge\/([\d.]+)/)) {
    s = ua.match(/edge\/([\d.]+)/)
    sys.edge = s[1]
  } else if (ua.match(/msie ([\d.]+)/)) {
    s = ua.match(/msie ([\d.]+)/)
    sys.ie = s[1]
  } else if (ua.match(/rv:([\d.]+)\) like gecko/)) {
    s = ua.match(/rv:([\d.]+)\) like gecko/)
    sys.ie = s[1]
  } else if (ua.match(/firefox\/([\d.]+)/)) {
    s = ua.match(/firefox\/([\d.]+)/)
    sys.firefox = s[1]
  } else if (ua.match(/chrome\/([\d.]+)/)) {
    s = ua.match(/chrome\/([\d.]+)/)
    sys.chrome = s[1]
  } else if (ua.match(/opera.([\d.]+)/)) {
    s = ua.match(/opera.([\d.]+)/)
    sys.opera = s[1]
  } else if (ua.match(/version\/([\d.]+).*safari/)) {
    s = ua.match(/version\/([\d.]+).*safari/)
    sys.safari = s[1]
  }
  if (sys.edge) return { broswer: 'Edge', version: sys.edge }
  if (sys.ie) return { broswer: 'IE', version: sys.ie }
  if (sys.firefox) return { broswer: 'Firefox', version: sys.firefox }
  if (sys.chrome) return { broswer: 'Chrome', version: sys.chrome }
  if (sys.opera) return { broswer: 'Opera', version: sys.opera }
  if (sys.safari) return { broswer: 'Safari', version: sys.safari }
  return { broswer: '', version: '0' }
}