Simplify

Author: kevinpschaaf

lib/utils/templatize.js

@@ -364,11 +364,7 @@ function createTemplatizerClass(template, templateInfo, options) {
  */
 function addPropagateEffects(template, templateInfo, options) {
   let userForwardHostProp = options.forwardHostProp;
-  const hasHostProps = templateInfo.hasHostProps ||
-    (templateInfo.hasHostProps = 
-      Boolean(templateInfo.hostProps && 
-        Object.keys(templateInfo.hostProps).length));
-  if (userForwardHostProp && hasHostProps) {
+  if (userForwardHostProp && templateInfo.hasHostProps) {
     // Provide data API and property effects on memoized template class
     let klass = templateInfo.templatizeTemplateClass;
     if (!klass) {
@@ -427,6 +423,9 @@ function addNotifyEffects(klass, template, templateInfo, options) {
   }
   if (options.forwardHostProp && template.__dataHost) {
     for (let hprop in hostProps) {
+      if (!templateInfo.hasHostProps) {
+        templateInfo.hasHostProps = true;
+      }
       klass.prototype._addPropertyEffect(hprop,
         klass.prototype.PROPERTY_EFFECT_TYPES.NOTIFY,
         {fn: createNotifyHostPropEffect()});