Fix dojo/ready to not blindly make calls to methods that might not ex…

…ist on the require object. Fixes #15616.

!strict


git-svn-id: http://svn.dojotoolkit.org/src/dojo/trunk@31368 560b804f-0ae3-0310-86f3-f6aa0a117693

ready.js

@@ -41,14 +41,18 @@ define(["./_base/kernel", "./has", "require", "./has!host-browser?./domReady", "
 			// The last step is necessary so that a user defined dojo.ready() callback is delayed until after the
 			// domReady() calls inside of dojo.	  Failure can be seen on dijit/tests/robot/Dialog_ally.html on IE8
 			// because the dijit/focus.js domReady() callback doesn't execute until after the test starts running.
-			while(isDomReady && (!domReady || domReady._Q.length == 0) && require.idle() && loadQ.length){
+			while(isDomReady && (!domReady || domReady._Q.length == 0) && (require.idle ? require.idle() : true) && loadQ.length){
 				var f = loadQ.shift();
 				try{
 					f();
 				}catch(e){
 					// force the dojo.js on("error") handler do display the message
 					e.info = e.message;
-					require.signal("error", e);
+					if(require.signal){
+						require.signal("error", e);
+					}else{
+						throw e;
+					}
 				}
 			}
 
@@ -57,7 +61,7 @@ define(["./_base/kernel", "./has", "require", "./has!host-browser?./domReady", "
 
 	// Check if we should run the next queue operation whenever require() finishes loading modules or domReady
 	// finishes processing it's queue.
-	require.on("idle", onEvent);
+	require.on && require.on("idle", onEvent);
 	if(domReady){
 		domReady._onQEmpty = onEvent;
 	}