Fixes #339 - Tag transformers are not being applied to tags with a dynamic tag name

compiler/taglib-lookup/TaglibLookup.js

@@ -290,7 +290,7 @@ class TaglibLookup {
         /*
          * Based on the type of node we have to choose how to transform it
          */
-        if (node.tagName) {
+        if (node.tagName || node.tagNameExpression) {
             this.forEachTagTransformer(node, callback, thisObj);
         } else if (node instanceof Text) {
             this.forEachTextTransformer(callback, thisObj);
@@ -327,10 +327,12 @@ class TaglibLookup {
          */
 
         if (this.merged.tags) {
-            if (this.merged.tags[tagName]) {
-                this.merged.tags[tagName].forEachTransformer(addTransformer);
+            if (tagName) {
+                if (this.merged.tags[tagName]) {
+                    this.merged.tags[tagName].forEachTransformer(addTransformer);
+                }
             }
-
+            
             if (this.merged.tags['*']) {
                 this.merged.tags['*'].forEachTransformer(addTransformer);
             }

test/autotests/render/transformer-dynamic-tag-name/expected.html

@@ -0,0 +1 @@
+<p bar="hello">Dynamic tag name</p>

test/autotests/render/transformer-dynamic-tag-name/marko.json

@@ -0,0 +1,6 @@
+{
+    "<*>": {
+        "@foo": "string",
+        "transformer": "./transformer.js"
+    }
+}

test/autotests/render/transformer-dynamic-tag-name/template.marko

@@ -0,0 +1 @@
+<${data.tagName} foo="abc">Dynamic tag name</>

test/autotests/render/transformer-dynamic-tag-name/test.js

@@ -0,0 +1,3 @@
+exports.templateData = {
+    tagName: 'p'
+};

test/autotests/render/transformer-dynamic-tag-name/transformer.js

@@ -0,0 +1,4 @@
+module.exports = function transform(el, context) {
+    el.removeAttribute('foo');
+    el.setAttributeValue('bar', context.builder.literal('hello'));
+};