Messages: Support scope

Author: rxaviers

src/message.js

@@ -7,6 +7,7 @@ import "globalize/plural";
 function messageSetup(componentProps, instance, args) {
     var defaultMessage, path;
     var children = componentProps.children;
+    var scope = componentProps.scope;
 
     function extractFromFnComments(fn) {
         return fn.toString().replace(/(function \(\) \{\/\*|\*\/\})/g, "");
@@ -54,6 +55,12 @@ function messageSetup(componentProps, instance, args) {
         path = [args[0]];
     }
 
+    // Scope path.
+    if (scope) {
+        args[0] = scope + "/" + args[0];
+        path = scope.split("/").concat(path);
+    }
+
     // Development mode only.
     if (instance.cldr) {
         if (!getMessage()) {