From 5e212336d0cbf8a341dbd5b5bf9a8c202c089341 Mon Sep 17 00:00:00 2001
From: Kabir Shah <simplecooldude1@gmail.com>
Date: Sat, 15 Apr 2017 09:08:17 -0700
Subject: [PATCH] remove checks for both vnodes/nodes are null

---
 dist/moon.js     | 12 ++++--------
 dist/moon.min.js |  2 +-
 src/util/vdom.js | 12 ++++--------
 3 files changed, 9 insertions(+), 17 deletions(-)

diff --git a/dist/moon.js b/dist/moon.js
index a47610fc..30718dab 100644
--- a/dist/moon.js
+++ b/dist/moon.js
@@ -661,9 +661,7 @@
     var hydrate = function (node, vnode, parent, instance) {
       var nodeName = node ? node.nodeName.toLowerCase() : null;
     
-      if (node === null && vnode === null) {
-        return null;
-      } else if (node === null) {
+      if (node === null) {
         // No node, create one
         var newNode = createNodeFromVNode(vnode, instance);
         appendChild(newNode, vnode, parent);
@@ -735,17 +733,15 @@
     };
     
     /**
-     * Diffs Node and a VNode, and applies Changes
-     * @param {Object} node
+     * Diffs VNodes, and applies Changes
+     * @param {Object} oldVNode
      * @param {Object} vnode
      * @param {Object} parent
      * @param {Object} instance
      * @return {Number} patch type
      */
     var diff = function (oldVNode, vnode, parent, instance) {
-      if (oldVNode === null && vnode === null) {
-        return PATCH.SKIP;
-      } else if (oldVNode === null) {
+      if (oldVNode === null) {
         // No Node, append a node
         appendChild(createNodeFromVNode(vnode, instance), vnode, parent);
     
diff --git a/dist/moon.min.js b/dist/moon.min.js
index f456eea0..d2bae678 100644
--- a/dist/moon.min.js
+++ b/dist/moon.min.js
@@ -4,4 +4,4 @@
  * Released under the MIT License
  * http://moonjs.ga
  */
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0===t.map[e]?t.map[e]=[r]:-1===t.map[e].indexOf(r)&&t.map[e].push(r)),this.$data[e]},t.prototype.set=function(e,t){var r=this.$observer,n=d(0,this.$data,e,t),i=null;void 0!==(i=r.setters[n])&&i.call(this,t),r.notify(n,t),p(this)},t.prototype.destroy=function(){this.off(),this.$el=null,this.$destroyed=!0,y(this,"destroyed")},t.prototype.callMethod=function(e,t){t=t||[],this.$data[e].apply(this,t)},t.prototype.on=function(e,t){var r=this.$events[e];void 0===r?this.$events[e]=[t]:r.push(t)},t.prototype.off=function(e,t){if(void 0===e)this.$events={};else if(void 0===t)this.$events[e]=[];else{var r=this.$events[e],n=r.indexOf(t);r.splice(n,1)}},t.prototype.emit=function(e,t){var r=t||{};r.type=e;for(var n=this.$events[e],i=this.$events["*"],o=0;o<n.length;o++)n[o](r);if(void 0!==i)for(var o=0;o<i.length;o++)i[o](r)},t.prototype.renderLoop=function(e,t){for(var r=new Array(e.length),n=0;n<e.length;n++)r[n]=t(e[n],n);return r},t.prototype.renderClass=function(e){if("string"==typeof e)return e;var t="";if(Array.isArray(e))for(var r=0;r<e.length;r++)t+=this.renderClass(e[r])+" ";else if("object"==typeof e)for(var n in e)e[n]&&(t+=n+" ");return t=t.slice(0,-1)},t.prototype.mount=function(e){this.$el=document.querySelector(e),this.$destroyed=!1,this.$el.__moon__=this,this.$template=this.$opts.template||this.$el.outerHTML,this.$render===b&&(this.$render=t.compile(this.$template)),this.build(),y(this,"mounted")},t.prototype.render=function(){return this.$render(P)},t.prototype.patch=function(e,t,r){if(void 0!==e.meta&&void 0!==e.meta.el)t.type!==e.type?(w(e.meta.el,E(t,this),r),this.$el=t.meta.el,this.$el.__moon__=this):D(e,t,r,this);else if(e instanceof Node){var n=T(e,t,r,this);n!==e&&(this.$el=t.meta.el,this.$el.__moon__=this)}},t.prototype.build=function(){var e=this.render(),t=null;void 0!==this.$dom.meta?t=this.$dom:(t=this.$el,this.$dom=e),this.patch(t,e,this.$el.parentNode)},t.prototype.init=function(){u("======= Moon ======="),y(this,"init"),void 0!==this.$opts.el&&this.mount(this.$opts.el)},t.config={silent:!0,prefix:"m-",delimiters:["{{","}}"],keyCodes:function(e){for(var t in e)o[t]="if(event.keyCode !== "+e[t]+") {return;};"}},t.version="0.8.0",t.util={noop:b,error:c,log:u,merge:g,extend:m,h:P},t.use=function(e){e.init(t)},t.compile=function(e){return le(e)},t.nextTick=function(e){setTimeout(e,0)},t.directive=function(e,n){r[t.config.prefix+e]=n},t.component=function(e,r){function n(){t.call(this,r)}var o=this;return r.name?e=r.name:r.name=e,n.prototype=Object.create(o.prototype),n.prototype.constructor=n,n.prototype.init=function(){y(this,"init"),this.$destroyed=!1,this.$props=this.$opts.props||[],this.$template=this.$opts.template,this.$render===b&&(this.$render=t.compile(this.$template))},i[e]={CTor:n,opts:r},n},n[t.config.prefix+"if"]={afterGenerate:function(e,t,r,n){return"("+M(e,Z,ee,!1)+") ? "+r+" : null"}},n[t.config.prefix+"show"]={beforeGenerate:function(e,r,n,i){var o={name:t.config.prefix+"show",value:M(e,Z,ee,!1),literal:!0};n.props.directives.push(o)}},n[t.config.prefix+"for"]={beforeGenerate:function(e,t,r,n){n.deep=!0},afterGenerate:function(e,t,r,n){var i=e.split(" in "),o=i[0].split(","),a=M(i[1],Z,ee,!1),s=o.join(",");return r.replace(new RegExp('instance\\.get\\("('+o.join("|")+')"\\)',"g"),function(e,t){r=r.replace(new RegExp('instance.get\\("'+t+'"\\)',"g"),t)}),"instance.renderLoop("+a+", function("+s+") { return "+r+"; })"}},n[t.config.prefix+"on"]={beforeGenerate:function(e,t,r){var n=t.arg.split("."),i=n[0],a="event",s=M(e,Z,ee,!1),l=s.split("(");l.length>1&&(s=l.shift(),a=l.join("(").slice(0,-1));var u="";n.shift();for(var c=0;c<n.length;c++)u+=o[n[c]];var p="function(event) {"+u+'instance.callMethod("'+s+'", ['+a+"])}";void 0===r.meta.eventListeners[i]?r.meta.eventListeners[i]=[p]:r.meta.eventListeners[i].push(p)}},n[t.config.prefix+"model"]={beforeGenerate:function(e,t,r){var n=M(e,Z,ee,!0),i="input",o="value";void 0!==r.props.attrs.type&&"checkbox"===r.props.attrs.type.value&&(i="change",o="checked");var a='function(event) {instance.set("'+n+'", event.target.'+o+")}";void 0===r.meta.eventListeners[i]?r.meta.eventListeners[i]=[a]:r.meta.eventListeners[i].push(a);var s=M(""+Z[0]+M(e,Z,ee,!1)+Z[1],Z,ee,!1);void 0===r.props.dom&&(r.props.dom={}),r.props.dom[o]=s}},n[t.config.prefix+"literal"]={duringPropGenerate:function(e,t,n){var i=t.arg;return"class"===i?'"class": instance.renderClass('+M(e,Z,ee,!1)+"), ":r[i]?(n.props.directives.push({name:i,value:M(e,Z,ee,!1),meta:{}}),""):'"'+i+'": '+M(e,Z,ee,!1)+", "}},n[t.config.prefix+"html"]={beforeGenerate:function(e,t,r){void 0===r.props.dom&&(r.props.dom={}),r.props.dom.innerHTML='"'+M(e,Z,ee,!0)+'"'}},r[t.config.prefix+"show"]=function(e,t,r){e.style.display=t?"":"none"},r[t.config.prefix+"mask"]=function(e,t,r){},t});
\ No newline at end of file
diff --git a/src/util/vdom.js b/src/util/vdom.js
index dc4145a9..1424fcbf 100644
--- a/src/util/vdom.js
+++ b/src/util/vdom.js
@@ -225,9 +225,7 @@ const diffComponent = function(node, vnode) {
 const hydrate = function(node, vnode, parent, instance) {
   let nodeName = node ? node.nodeName.toLowerCase() : null;
 
-  if(node === null && vnode === null) {
-    return null;
-  } else if(node === null) {
+  if(node === null) {
     // No node, create one
     var newNode = createNodeFromVNode(vnode, instance);
     appendChild(newNode, vnode, parent);
@@ -299,17 +297,15 @@ const hydrate = function(node, vnode, parent, instance) {
 }
 
 /**
- * Diffs Node and a VNode, and applies Changes
- * @param {Object} node
+ * Diffs VNodes, and applies Changes
+ * @param {Object} oldVNode
  * @param {Object} vnode
  * @param {Object} parent
  * @param {Object} instance
  * @return {Number} patch type
  */
 const diff = function(oldVNode, vnode, parent, instance) {
-  if(oldVNode === null && vnode === null) {
-    return PATCH.SKIP;
-  } else if(oldVNode === null) {
+  if(oldVNode === null) {
     // No Node, append a node
     appendChild(createNodeFromVNode(vnode, instance), vnode, parent);