rofrischmann/inline-style-prefixer

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _bowser = require('bowser');

var _bowser2 = _interopRequireDefault(_bowser);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var vendorPrefixes = {
  Webkit: ['chrome', 'safari', 'ios', 'android', 'phantom', 'opera', 'webos', 'blackberry', 'bada', 'tizen', 'chromium', 'vivaldi'],
  Moz: ['firefox', 'seamonkey', 'sailfish'],
  ms: ['msie', 'msedge']
};
var browsers = {
  chrome: [['chrome'], ['chromium']],
  safari: [['safari']],
  firefox: [['firefox']],
  edge: [['msedge']],
  opera: [['opera'], ['vivaldi']],
  ios_saf: [['ios', 'mobile'], ['ios', 'tablet']],
  ie: [['msie']],
  op_mini: [['opera', 'mobile'], ['opera', 'tablet']],
  and_uc: [['android', 'mobile'], ['android', 'tablet']],
  android: [['android', 'mobile'], ['android', 'tablet']]
};

var browserByInfo = function browserByInfo(info) {
  if (info.firefox) {
    return 'firefox';
  }
  var name = '';

  Object.keys(browsers).forEach(function (browser) {
    browsers[browser].forEach(function (condition) {
      var match = 0;
      condition.forEach(function (single) {
        if (info[single]) {
          match += 1;
        }
      });
      if (condition.length === match) {
        name = browser;
      }
    });
  });

  return name;
};

/**
 * Uses bowser to get default browser information such as version and name
 * Evaluates bowser info and adds vendorPrefix information
 * @param {string} userAgent - userAgent that gets evaluated
 */

exports.default = function (userAgent) {
  if (!userAgent) {
    return false;
  }
  var info = _bowser2.default._detect(userAgent);

  Object.keys(vendorPrefixes).forEach(function (prefix) {
    vendorPrefixes[prefix].forEach(function (browser) {
      if (info[browser]) {
        info.prefix = {
          inline: prefix,
          css: '-' + prefix.toLowerCase() + '-'
        };
      }
    });
  });

  info.browser = browserByInfo(info);

  // For cordova IOS 8 the version is missing, set truncated osversion to prevent NaN
  info.version = info.version ? parseFloat(info.version) : parseInt(parseFloat(info.osversion), 10);
  info.osversion = parseFloat(info.osversion);

  // iOS forces all browsers to use Safari under the hood
  // as the Safari version seems to match the iOS version
  // we just explicitely use the osversion instead
  // https://github.com/rofrischmann/inline-style-prefixer/issues/72
  if (info.browser === 'ios_saf' && info.version > info.osversion) {
    info.version = info.osversion;
    info.safari = true;
  }

  // seperate native android chrome
  // https://github.com/rofrischmann/inline-style-prefixer/issues/45
  if (info.browser === 'android' && info.chrome && info.version > 37) {
    info.browser = 'and_chr';
  }

  // For android < 4.4 we want to check the osversion
  // not the chrome version, see issue #26
  // https://github.com/rofrischmann/inline-style-prefixer/issues/26
  if (info.browser === 'android' && info.osversion < 5) {
    info.version = info.osversion;
  }

  return info;
};

module.exports = exports['default'];