1 files changed, 62 insertions, 11 deletions

diff --git a/resources/src/startup.js b/resources/src/startup.js
index a62cc9d6..1a10f837 100644
--- a/resources/src/startup.js
+++ b/resources/src/startup.js
@@ -3,8 +3,16 @@
  * continue loading jQuery and the MediaWiki modules. This code should work on
  * even the most ancient of browsers, so be very careful when editing.
  */
+/*jshint unused: false, evil: true */
+/*globals mw, RLQ: true, $VARS, $CODE, performance */
 
-var mediaWikiLoadStart = ( new Date() ).getTime();
+var mediaWikiLoadStart = ( new Date() ).getTime(),
+
+	mwPerformance = ( window.performance && performance.mark ) ? performance : {
+		mark: function () {}
+	};
+
+mwPerformance.mark( 'mwLoadStart' );
 
 /**
  * Returns false for Grade C supported browsers.
@@ -16,8 +24,6 @@ var mediaWikiLoadStart = ( new Date() ).getTime();
  * - https://www.mediawiki.org/wiki/Compatibility#Browsers
  * - https://jquery.com/browser-support/
  */
-
-/*jshint unused: false */
 function isCompatible( ua ) {
 	if ( ua === undefined ) {
 		ua = navigator.userAgent;
@@ -26,18 +32,18 @@ function isCompatible( ua ) {
 	// Browsers with outdated or limited JavaScript engines get the no-JS experience
 	return !(
 		// Internet Explorer < 8
-		( ua.indexOf( 'MSIE' ) !== -1 && parseFloat( ua.split( 'MSIE' )[1] ) < 8 ) ||
+		( ua.indexOf( 'MSIE' ) !== -1 && parseFloat( ua.split( 'MSIE' )[ 1 ] ) < 8 ) ||
 		// Firefox < 3
-		( ua.indexOf( 'Firefox/' ) !== -1 && parseFloat( ua.split( 'Firefox/' )[1] ) < 3 ) ||
+		( ua.indexOf( 'Firefox/' ) !== -1 && parseFloat( ua.split( 'Firefox/' )[ 1 ] ) < 3 ) ||
 		// Opera < 12
 		( ua.indexOf( 'Opera/' ) !== -1 && ( ua.indexOf( 'Version/' ) === -1 ?
 			// "Opera/x.y"
-			parseFloat( ua.split( 'Opera/' )[1] ) < 10 :
+			parseFloat( ua.split( 'Opera/' )[ 1 ] ) < 10 :
 			// "Opera/9.80 ... Version/x.y"
-			parseFloat( ua.split( 'Version/' )[1] ) < 12
+			parseFloat( ua.split( 'Version/' )[ 1 ] ) < 12
 		) ) ||
 		// "Mozilla/0.0 ... Opera x.y"
-		( ua.indexOf( 'Opera ' ) !== -1 && parseFloat( ua.split( ' Opera ' )[1] ) < 10 ) ||
+		( ua.indexOf( 'Opera ' ) !== -1 && parseFloat( ua.split( ' Opera ' )[ 1 ] ) < 10 ) ||
 		// BlackBerry < 6
 		ua.match( /BlackBerry[^\/]*\/[1-5]\./ ) ||
 		// Open WebOS < 1.5
@@ -52,11 +58,56 @@ function isCompatible( ua ) {
 		ua.match( /Opera Mini/ ) ||
 		// Nokia's Ovi Browser
 		ua.match( /S40OviBrowser/ ) ||
+		// MeeGo's browser
+		ua.match( /MeeGo/ ) ||
 		// Google Glass browser groks JS but UI is too limited
 		( ua.match( /Glass/ ) && ua.match( /Android/ ) )
 	);
 }
 
-/**
- * The startUp() function will be auto-generated and added below.
- */
+// Conditional script injection
+( function () {
+	if ( !isCompatible() ) {
+		// Undo class swapping in case of an unsupported browser.
+		// See OutputPage::getHeadScripts().
+		document.documentElement.className = document.documentElement.className
+			.replace( /(^|\s)client-js(\s|$)/, '$1client-nojs$2' );
+		return;
+	}
+
+	/**
+	 * The $CODE and $VARS placeholders are substituted in ResourceLoaderStartUpModule.php.
+	 */
+	function startUp() {
+		mw.config = new mw.Map( $VARS.wgLegacyJavaScriptGlobals );
+
+		$CODE.registrations();
+
+		mw.config.set( $VARS.configuration );
+
+		// Must be after mw.config.set because these callbacks may use mw.loader which
+		// needs to have values 'skin', 'debug' etc. from mw.config.
+		window.RLQ = window.RLQ || [];
+		while ( RLQ.length ) {
+			RLQ.shift()();
+		}
+		window.RLQ = {
+			push: function ( fn ) {
+				fn();
+			}
+		};
+	}
+
+	var script = document.createElement( 'script' );
+	script.src = $VARS.baseModulesUri;
+	script.onload = script.onreadystatechange = function () {
+		if ( !script.readyState || /loaded|complete/.test( script.readyState ) ) {
+			// Clean up
+			script.onload = script.onreadystatechange = null;
+			script = null;
+			// Callback
+			startUp();
+		}
+	};
+	document.getElementsByTagName( 'head' )[ 0 ].appendChild( script );
+}() );