look for plugins/modules in tns_modules folder not only in the app root + test

apps/tests/xml-declaration/xml-declaration-tests.ts

@@ -242,7 +242,21 @@ export function test_parse_ShouldParseCustomComponentWithoutXml() {
     TKUnit.assert(ctrl instanceof myCustomControlWithoutXml.MyControl, "Expected result: custom control is defined!; Actual result: " + ctrl);
 };
 
-export function test_parse_ShouldParseCustomComponentWitXml() {
+export function test_parse_ShouldParseCustomComponentWithoutXmlFromTNSModules() {
+    var p = <page.Page>builder.parse('<Page xmlns' + ':customControls="tns_modules/ui/label"><customControls:Label /></Page>');
+    var ctrl = p.content;
+
+    TKUnit.assert(ctrl instanceof labelModule.Label, "Expected result: custom control is defined!; Actual result: " + ctrl);
+};
+
+export function test_parse_ShouldParseCustomComponentWithoutXmlFromTNSModulesWhenNotSpecified() {
+    var p = <page.Page>builder.parse('<Page xmlns' + ':customControls="ui/label"><customControls:Label /></Page>');
+    var ctrl = p.content;
+
+    TKUnit.assert(ctrl instanceof labelModule.Label, "Expected result: custom control is defined!; Actual result: " + ctrl);
+};
+
+export function test_parse_ShouldParseCustomComponentWithXml() {
     var p = <page.Page>builder.parse('<Page xmlns:customControls="xml-declaration/mymodulewithxml"><customControls:MyControl /></Page>');
     var panel = <stackLayoutModule.StackLayout>p.content;
     var lbl = <labelModule.Label>panel.getChildAt(0);
@@ -250,21 +264,21 @@ export function test_parse_ShouldParseCustomComponentWitXml() {
     TKUnit.assert(lbl.text === "mymodulewithxml", "Expected result: 'mymodulewithxml'; Actual result: " + lbl);
 };
 
-export function test_parse_ShouldParseCustomComponentWitXml_WithAttributes() {
+export function test_parse_ShouldParseCustomComponentWithXml_WithAttributes() {
     var p = <page.Page>builder.parse('<Page xmlns:customControls="xml-declaration/mymodulewithxml"><customControls:MyControl visibility="collapsed" /></Page>');
     var panel = <stackLayoutModule.StackLayout>p.content;
 
     TKUnit.assertEqual(panel.visibility, "collapsed", "panel.visibility");
 };
 
-export function test_parse_ShouldParseCustomComponentWitXml_WithCustomAttributes() {
+export function test_parse_ShouldParseCustomComponentWithXml_WithCustomAttributes() {
     var p = <page.Page>builder.parse('<Page xmlns:customControls="xml-declaration/mymodulewithxml"><customControls:MyControl myProperty="myValue" /></Page>');
     var panel = <stackLayoutModule.StackLayout>p.content;
 
     TKUnit.assertEqual(panel["myProperty"], "myValue", "customControl.myProperty");
 };
 
-export function test_parse_ShouldParseCustomComponentWitXmlNoJS() {
+export function test_parse_ShouldParseCustomComponentWithXmlNoJS() {
     var p = <page.Page>builder.parse('<Page xmlns:customControls="xml-declaration/mymodulewithxml"><customControls:my-control-no-js /></Page>');
     var panel = <stackLayoutModule.StackLayout>p.content;
     var lbl = <labelModule.Label>panel.getChildAt(0);
@@ -272,14 +286,14 @@ export function test_parse_ShouldParseCustomComponentWitXmlNoJS() {
     TKUnit.assertEqual(lbl.text, "I'm all about taht XML, no JS", "label.text");
 };
 
-export function test_parse_ShouldParseCustomComponentWitXmlNoJS_WithAttributes() {
+export function test_parse_ShouldParseCustomComponentWithXmlNoJS_WithAttributes() {
     var p = <page.Page>builder.parse('<Page xmlns:customControls="xml-declaration/mymodulewithxml"><customControls:my-control-no-js visibility="collapsed" /></Page>');
     var panel = <stackLayoutModule.StackLayout>p.content;
 
     TKUnit.assertEqual(panel.visibility, "collapsed", "panel.visibility");
 };
 
-export function test_parse_ShouldParseCustomComponentWitXmlNoJS_WithCustomAttributes() {
+export function test_parse_ShouldParseCustomComponentWithXmlNoJS_WithCustomAttributes() {
     var p = <page.Page>builder.parse('<Page xmlns:customControls="xml-declaration/mymodulewithxml"><customControls:my-control-no-js myProperty="myValue" /></Page>');
     var panel = <stackLayoutModule.StackLayout>p.content;
 

ui/builder/component-builder.ts

@@ -58,8 +58,19 @@ export function getComponentModule(elementName: string, namespace: string, attri
     var moduleId = MODULES[elementName] || UI_PATH + elementName.toLowerCase();
 
     try {
+        if (types.isString(namespace)) {
+            var pathInsideTNSModules = fs.path.join(fs.knownFolders.currentApp().path, "tns_modules", namespace);
+
+            if (fs.Folder.exists(pathInsideTNSModules)) {
+                moduleId = pathInsideTNSModules;
+            } else {
+                // We expect module at root level in the app.
+                moduleId = fs.path.join(fs.knownFolders.currentApp().path, namespace);
+            }
+        }
+
         // Require module by module id.
-        instanceModule = require(types.isString(namespace) && fs.path.join(fs.knownFolders.currentApp().path, namespace) || moduleId);
+        instanceModule = require(moduleId);
 
         // Get the component type from module.
         var instanceType = instanceModule[elementName] || Object;