config.json

@@ -1,13 +1,14 @@
 {
-	"jqueryUi": {
-		"stable": {
+	"jqueryUi": [
+		{
 			"version": "1.10.3",
-			"dependsOn": "jQuery1.6+"
+			"dependsOn": "jQuery1.6+",
+			"stable": true
 		},
-		"legacy": {
+		{
 			"version": "1.9.2",
 			"dependsOn": "jQuery1.6+"
 		}
-	},
+	],
 	"jquery": "1.9.1"
 }

lib/config.js

@@ -6,32 +6,24 @@ Config = module.exports = function() {
 	var config = Config.get();
 
 	// Validate jqueryUi, eg:
-	//   "jqueryUi": {
-	//     "stable": {  // required
-	//       "version": "1.10.0"
-	//       "dependsOn": "jQuery 1.7+"
+	//   "jqueryUi": [
+	//     {
+	//       "version": "1.10.0",
+	//       "dependsOn": "jQuery 1.7+",
+	//       "stable": true
 	//     },
-	//     "legacy": {  // optional
-	//       "version": "1.9.1"
+	//     {
+	//       "version": "1.9.1",
 	//       "dependsOn": "jQuery 1.6+"
 	//     }
-	//   }
+	//   ]
 	if ( config.jqueryUi == null ) {
 		throw new Error( "Missing jqueryUi branch/tag in config.json" );
 	}
-	if ( typeof config.jqueryUi !== "object" ) {
+	if ( !Array.isArray( config.jqueryUi ) ) {
 		throw new Error( "Invalid jqueryUi branch/tag in config.json" );
 	}
-	if ( config.jqueryUi.stable == null ) {
-		throw new Error( "Missing \"stable\" jqueryUi branch/tag in config.json" );
-	}
-	// Normalizing jqueryUi object into an Array
-	jqueryUi = [ config.jqueryUi.stable ];
-	jqueryUi[ 0 ].stable = true;
-	if ( config.jqueryUi.legacy ) {
-		jqueryUi.push( config.jqueryUi.legacy );
-	}
-	config.jqueryUi = jqueryUi.map(function( entry ) {
+	config.jqueryUi = config.jqueryUi.map(function( entry ) {
 		if ( typeof entry !== "object" || !entry.version ) {
 			throw new Error( "Invalid jqueryUi entry " + JSON.stringify( entry ) + " in config.json" );
 		}

lib/jquery-ui.js

@@ -64,7 +64,13 @@ JqueryUi.all = function() {
 };
 
 JqueryUi.getStable = function() {
-	return JqueryUi.all()[ 0 ];
+	var match = JqueryUi.all().filter(function( jqueryUi ) {
+		return jqueryUi.stable;
+	});
+	if ( !match.length ) {
+		throw new Error( "No stable jqueryUi has been defined. Check your config file." );
+	}
+	return match[ 0 ];
 };
 
 JqueryUi.find = function( version ) {