Marko v3: Fixes #222 - Allow open only tags to be defined in tag definition

compiler/HtmlJsParser.js

@@ -77,7 +77,11 @@ class HtmlJsParser {
             }
         };
 
-        var parser = this.parser = htmljs.createParser(listeners);
+        var parser = this.parser = htmljs.createParser(listeners, {
+            isOpenTagOnly: function(tagName) {
+                return handlers.isOpenTagOnly(tagName);
+            }
+        });
         parser.parse(src);
     }
 }

compiler/Parser.js

@@ -268,6 +268,11 @@ class Parser {
 
         return null; // Default parse state
     }
+
+    isOpenTagOnly(tagName) {
+        var tagDef = this.context.getTagDef(tagName);
+        return tagDef && tagDef.openTagOnly;
+    }
 }
 
 module.exports = Parser;

compiler/taglib-loader/Taglib/Tag.js

@@ -50,6 +50,7 @@ class Tag{
         this.isRepeated = null;
         this.isNestedTag = false;
         this.parentTagName = null;
+        this.openTagOnly = null;
         this.body = null;
         this.type = null; // Only applicable for nested tags
         this._nodeFactory = undefined;

compiler/taglib-loader/loader-tag.js

@@ -426,6 +426,10 @@ TagHandlers.prototype = {
         } else {
             throw new Error('Invalid value for "body". Allowed: "static-text", "parsed-text" or "html"');
         }
+    },
+
+    openTagOnly: function(value) {
+        this.tag.openTagOnly = value;
     }
 };
 

test/fixtures/render/autotest/custom-tag-open-tag-only/expected.html

@@ -0,0 +1,2 @@
+Hello Frank!
+Hello John!

test/fixtures/render/autotest/custom-tag-open-tag-only/marko-taglib.json

@@ -0,0 +1,6 @@
+{
+    "<open-tag-only>": {
+        "renderer": "./open-tag-only-tag.js",
+        "open-tag-only": true
+    }
+}

test/fixtures/render/autotest/custom-tag-open-tag-only/open-tag-only-tag.js

@@ -0,0 +1,3 @@
+module.exports = function (input, out) {
+    out.write('Hello ' + input.name + '!\n');
+};

test/fixtures/render/autotest/custom-tag-open-tag-only/template.marko

@@ -0,0 +1,2 @@
+<open-tag-only name="Frank">
+<open-tag-only name="John" />

test/fixtures/render/autotest/custom-tag-open-tag-only/test.js

@@ -0,0 +1 @@
+exports.templateData = {};