resourceloader: Async all the way

[lhc/web/wiklou.git] / resources / src / startup.js

diff --git a/resources/src/startup.js b/resources/src/startup.js
index a62cc9d..d4cfa02 100644 (file)
--- a/resources/src/startup.js
+++ b/resources/src/startup.js
@@ -6,6 +6,14 @@
 
 var mediaWikiLoadStart = ( new Date() ).getTime();
 
+if ( !window.performance ) {
+       window.performance = {};
+}
+if ( !performance.mark ) {
+       performance.mark = function () {};
+}
+performance.mark( 'mediaWikiStartUp' );
+
 /**
  * Returns false for Grade C supported browsers.
  *
@@ -17,7 +25,8 @@ var mediaWikiLoadStart = ( new Date() ).getTime();
  * - https://jquery.com/browser-support/
  */
 
-/*jshint unused: false */
+/*jshint unused: false, evil: true */
+/*globals mw, RLQ: true, $VARS, $CODE */
 function isCompatible( ua ) {
        if ( ua === undefined ) {
                ua = navigator.userAgent;
@@ -52,11 +61,46 @@ 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.
+ * 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()();
+       }
+       RLQ = {
+               push: function ( fn ) {
+                       fn();
+               }
+       };
+}
+
+// Conditional script injection
+if ( isCompatible() ) {
+       ( function () {
+               var script = document.createElement( 'script' );
+               script.src = $VARS.baseModulesUri;
+               document.getElementsByTagName( 'head' )[0].appendChild( script );
+       }() );
+} else {
+       // Undo class swapping in case of an unsupported browser.
+       // See OutputPage::getHeadScripts().
+       document.documentElement.className = document.documentElement.className
+               .replace( /(^|\s)client-js(\s|$)/, '$1client-nojs$2' );
+}