resources/src/startup.js

   1 /**
   2  * This script provides a function which is run to evaluate whether or not to
   3  * continue loading jQuery and the MediaWiki modules. This code should work on
   4  * even the most ancient of browsers, so be very careful when editing.
   5  */
   6
   7 var mediaWikiLoadStart = ( new Date() ).getTime();
   8
   9 /**
  10  * Returns false when run in a black-listed browser
  11  *
  12  * This function will be deleted after it's used, so do not expand it to be
  13  * generally useful beyond startup.
  14  *
  15  * See also:
  16  * - https://www.mediawiki.org/wiki/Compatibility#Browser
  17  * - http://jquerymobile.com/gbs/
  18  * - http://jquery.com/browser-support/
  19  */
  20
  21 /*jshint unused: false */
  22 function isCompatible( ua ) {
  23         if ( ua === undefined ) {
  24                 ua = navigator.userAgent;
  25         }
  26
  27         // Browsers with outdated or limited JavaScript engines get the no-JS experience
  28         return !(
  29                 // Internet Explorer < 7
  30                 ( ua.indexOf( 'MSIE' ) !== -1 && parseFloat( ua.split( 'MSIE' )[1] ) < 7 ) ||
  31                 // Firefox < 3
  32                 ( ua.indexOf( 'Firefox/' ) !== -1 && parseFloat( ua.split( 'Firefox/' )[1] ) < 3 ) ||
  33                 // Opera < 12
  34                 ( ua.indexOf( 'Opera/' ) !== -1 && ( ua.indexOf( 'Version/' ) === -1 ?
  35                         // "Opera/x.y"
  36                         parseFloat( ua.split( 'Opera/' )[1] ) < 10 :
  37                         // "Opera/9.80 ... Version/x.y"
  38                         parseFloat( ua.split( 'Version/' )[1] ) < 12
  39                 ) ) ||
  40                 // "Mozilla/0.0 ... Opera x.y"
  41                 ( ua.indexOf( 'Opera ' ) !== -1 && parseFloat( ua.split( ' Opera ' )[1] ) < 10 ) ||
  42                 // BlackBerry < 6
  43                 ua.match( /BlackBerry[^\/]*\/[1-5]\./ ) ||
  44                 // Open WebOS < 1.5
  45                 ua.match( /webOS\/1\.[0-4]/ ) ||
  46                 // Anything PlayStation based.
  47                 ua.match( /PlayStation/i ) ||
  48                 // Any Symbian based browsers
  49                 ua.match( /SymbianOS|Series60/ ) ||
  50                 // Any NetFront based browser
  51                 ua.match( /NetFront/ ) ||
  52                 // Opera Mini, all versions
  53                 ua.match( /Opera Mini/ ) ||
  54                 // Nokia's Ovi Browser
  55                 ua.match( /S40OviBrowser/ ) ||
  56                 // Google Glass browser groks JS but UI is too limited
  57                 ( ua.match( /Glass/ ) && ua.match( /Android/ ) )
  58         );
  59 }
  60
  61 /**
  62  * The startUp() function will be auto-generated and added below.
  63  */