Fix: Parameter with assignation provide type annotations (fixes eslint#146) (eslint#147)

* Fix: Parameter with assignation provide type annotations (fixes eslint#146)

* Adding support for rest arguments

Author: weirdpattern

lib/ast-converter.js

@@ -1426,16 +1426,18 @@ module.exports = function(ast, extra) {
                 break;
 
             case SyntaxKind.Parameter:
-
+                var parameter;
                 if (node.dotDotDotToken) {
+                    parameter = convertChild(node.name);
                     assign(result, {
                         type: "RestElement",
-                        argument: convertChild(node.name)
+                        argument: parameter
                     });
                 } else if (node.initializer) {
+                    parameter = convertChild(node.name);
                     assign(result, {
                         type: "AssignmentPattern",
-                        left: convertChild(node.name),
+                        left: parameter,
                         right: convertChild(node.initializer)
                     });
                 } else {
@@ -1446,6 +1448,12 @@ module.exports = function(ast, extra) {
                     return convertedParameter;
                 }
 
+                if (node.type) {
+                    assign(parameter, {
+                        typeAnnotation: convertTypeAnnotation(node.type)
+                    });
+                }
+
                 break;
 
             // Classes