Merge "Replace infobox usages and extend successbox, warningbox and errorbox"
[lhc/web/wiklou.git] / resources / src / startup / mediawiki.requestIdleCallback.js
index 9f8c598..2787f58 100644 (file)
@@ -1,52 +1,51 @@
-( function () {
-       var maxBusy = 50;
+/* global mw */
+mw.requestIdleCallbackInternal = function ( callback ) {
+       setTimeout( function () {
+               var start = mw.now();
+               callback( {
+                       didTimeout: false,
+                       timeRemaining: function () {
+                               // Hard a target maximum busy time of 50 milliseconds
+                               return Math.max( 0, 50 - ( mw.now() - start ) );
+                       }
+               } );
+       }, 1 );
+};
 
-       mw.requestIdleCallbackInternal = function ( callback ) {
-               setTimeout( function () {
-                       var start = mw.now();
-                       callback( {
-                               didTimeout: false,
-                               timeRemaining: function () {
-                                       return Math.max( 0, maxBusy - ( mw.now() - start ) );
-                               }
-                       } );
-               }, 1 );
-       };
-
-       /**
-        * Schedule a deferred task to run in the background.
-        *
-        * This allows code to perform tasks in the main thread without impacting
-        * time-critical operations such as animations and response to input events.
-        *
-        * Basic logic is as follows:
-        *
-        * - User input event should be acknowledged within 100ms per [RAIL].
-        * - Idle work should be grouped in blocks of upto 50ms so that enough time
-        *   remains for the event handler to execute and any rendering to take place.
-        * - Whenever a native event happens (e.g. user input), the deadline for any
-        *   running idle callback drops to 0.
-        * - As long as the deadline is non-zero, other callbacks pending may be
-        *   executed in the same idle period.
-        *
-        * See also:
-        *
-        * - <https://developer.mozilla.org/en-US/docs/Web/API/Window/requestIdleCallback>
-        * - <https://w3c.github.io/requestidlecallback/>
-        * - <https://developers.google.com/web/updates/2015/08/using-requestidlecallback>
-        * [RAIL]: https://developers.google.com/web/fundamentals/performance/rail
-        *
-        * @member mw
-        * @param {Function} callback
-        * @param {Object} [options]
-        * @param {number} [options.timeout] If set, the callback will be scheduled for
-        *  immediate execution after this amount of time (in milliseconds) if it didn't run
-        *  by that time.
-        */
-       mw.requestIdleCallback = window.requestIdleCallback ?
-               window.requestIdleCallback.bind( window ) : // Bind because it throws TypeError if context is not window
-               mw.requestIdleCallbackInternal;
-       // Note: Polyfill was previously disabled due to
-       // https://bugs.chromium.org/p/chromium/issues/detail?id=647870
-       // See also <http://codepen.io/Krinkle/full/XNGEvv>
-}() );
+/**
+ * Schedule a deferred task to run in the background.
+ *
+ * This allows code to perform tasks in the main thread without impacting
+ * time-critical operations such as animations and response to input events.
+ *
+ * Basic logic is as follows:
+ *
+ * - User input event should be acknowledged within 100ms per [RAIL].
+ * - Idle work should be grouped in blocks of upto 50ms so that enough time
+ *   remains for the event handler to execute and any rendering to take place.
+ * - Whenever a native event happens (e.g. user input), the deadline for any
+ *   running idle callback drops to 0.
+ * - As long as the deadline is non-zero, other callbacks pending may be
+ *   executed in the same idle period.
+ *
+ * See also:
+ *
+ * - <https://developer.mozilla.org/en-US/docs/Web/API/Window/requestIdleCallback>
+ * - <https://w3c.github.io/requestidlecallback/>
+ * - <https://developers.google.com/web/updates/2015/08/using-requestidlecallback>
+ * [RAIL]: https://developers.google.com/web/fundamentals/performance/rail
+ *
+ * @member mw
+ * @param {Function} callback
+ * @param {Object} [options]
+ * @param {number} [options.timeout] If set, the callback will be scheduled for
+ *  immediate execution after this amount of time (in milliseconds) if it didn't run
+ *  by that time.
+ */
+mw.requestIdleCallback = window.requestIdleCallback ?
+       // Bind because it throws TypeError if context is not window
+       window.requestIdleCallback.bind( window ) :
+       mw.requestIdleCallbackInternal;
+// Note: Polyfill was previously disabled due to
+// https://bugs.chromium.org/p/chromium/issues/detail?id=647870
+// See also <http://codepen.io/Krinkle/full/XNGEvv>