amos-tool/lib/browserSupport.js

amos ui tool

"use strict";

var _utils = require("./utils"), _consts = require("./consts"), _defaultBrowsers = [ "firefox/51.0", "chrome/56" ], _muiltBrowsers = [ "firefox/", "chrome/" ], calcIeSerails = function(s, e, r, i) {
  var t, o = s.indexOf("compatible") > -1 && s.indexOf("msie") > -1, n = s.indexOf("edge") > -1 && !o, a = s.indexOf("trident") > -1 && s.indexOf("rv:11.0") > -1, c = !1;
  if (o) {
    new RegExp("msie (\\d+\\.\\d+);").test(s);
    var l = parseFloat(RegExp.$1);
    t = 7 == l ? 7 : 8 == l ? 8 : 9 == l ? 9 : 10 == l ? 10 : 6;
  } else t = n ? 12 : a ? 11 : -1;
  switch (r) {
   case _consts.GREATER:
    c = t > i;
    break;

   case _consts.EQUAL:
    c = t == i;
    break;

   case _consts.LESS:
    c = t < i;
    break;

   case _consts.GREATER_EQUAL:
    c = t >= i;
    break;

   case _consts.LESS_EQUAL:
    c = t <= i;
  }
  return c;
}, calcBrowserVersion = function(s, e, r, i) {
  var t = !1;
  if (s.indexOf(e) > -1) switch (r) {
   case _consts.GREATER:
    t = s.split(e)[1].split(".")[0] > i;
    break;

   case _consts.EQUAL:
    t = s.split(e)[1].split(".")[0] == i;
    break;

   case _consts.LESS:
    t = s.split(e)[1].split(".")[0] < i;
    break;

   case _consts.GREATER_EQUAL:
    t = s.split(e)[1].split(".")[0] >= i;
    break;

   case _consts.LESS_EQUAL:
    t = s.split(e)[1].split(".")[0] <= i;
  } else t = calcIeSerails(s, e, r, i);
  return console.log("supported:", t), t;
}, browserSupport = function(s, e) {
  if (navigator) {
    var r = navigator.userAgent;
    if (!_utils.isEmpty(r)) if (r = r.toLowerCase(), _utils.isEmpty(e)) {
      var i = s || _defaultBrowsers;
      if (!_utils.isEmpty(i)) {
        if (_utils.isArray(i)) return _utils.some(i, function(s) {
          return console.log("non matchs. target browser is:", s), r.indexOf(s) > -1;
        });
        if (_utils.isString(i)) return r.indexOf(i) > -1;
      }
    } else {
      var t = s || _muiltBrowsers;
      if (!_utils.isEmpty(t)) {
        if (_utils.isArray(t)) return _utils.some(t, function(s) {
          return console.log("matchs. target browser is:", s), calcBrowserVersion(r, s, e[s].limit, e[s].version);
        });
        if (_utils.isString(t)) return calcBrowserVersion(r, t, e.limit, e.version);
      }
    }
  }
  return !1;
};

module.exports = browserSupport;