requirebin sketch

index.js

var h = require('virtual-dom/h')
var diff = require('virtual-dom/diff')
var pv = require('virtual-dom-patch-viewer')

vdom1 = h('div', [
  h('div', 'div stuff'),
  h('a', {href: 'other.html'})
])

vdom2 = h('div', [
  h('a', {href: 'other.html'})
])

pv(diff(vdom1, vdom2)) // open console

minified.js

setTimeout(function(){require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({"virtual-dom-patch-viewer":[function(require,module,exports){var types=["NONE","VTEXT","VNODE","WIDGET","PROPS","ORDER","INSERT","REMOVE","THUNK"];module.exports=function patchReport(patch,opts){if(Array.isArray(opts)){opts=uCArray(opts)}else if("object"===typeof opts){Object.keys(opts).forEach(function(key){if(Array.isArray(opts[key])){opts[key]=uCArray(opts[key])}})}Object.keys(patch).forEach(function(key){if("a"===key&&!opts){console.log("a",patch[key])}else if(Array.isArray(patch[key])){patch[key].forEach(function(elem,ii){report(key+"."+ii,elem)})}else{report(key,patch[key])}});function report(ii,vpatch){var tagExists=vpatch.vNode&&vpatch.vNode.tagName;var tagName=tagExists&&vpatch.vNode.tagName.toUpperCase();if(!opts||"string"===typeof opts&&(tagExists&&opts.toUpperCase()===tagName||opts.toUpperCase()===types[vpatch.type])||Array.isArray(opts)&&(tagExists&&-1!==opts.indexOf(tagName)||-1!==opts.indexOf(types[vpatch.type]))||"object"===typeof opts&&(opts.type||opts.tag)&&((!opts.type||("string"===typeof opts.type&&opts.type.toUpperCase()===types[vpatch.type]||Array.isArray(opts.type)&&-1!==opts.type.indexOf(types[vpatch.type])))&&(!opts.tag||tagExists&&("string"===typeof opts.tag&&opts.tag.toUpperCase()===tagName||Array.isArray(opts.tag)&&-1!==opts.tag.indexOf(tagName))))){console.log(ii,types[vpatch.type],vpatch.vNode&&vpatch.vNode.tagName,vpatch.vNode,vpatch.patch)}}function uCArray(arr){return arr.map(function(elem){return elem.toUpperCase()})}}},{}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){module.exports=function split(undef){var nativeSplit=String.prototype.split,compliantExecNpcg=/()??/.exec("")[1]===undef,self;self=function(str,separator,limit){if(Object.prototype.toString.call(separator)!=="[object RegExp]"){return nativeSplit.call(str,separator,limit)}var output=[],flags=(separator.ignoreCase?"i":"")+(separator.multiline?"m":"")+(separator.extended?"x":"")+(separator.sticky?"y":""),lastLastIndex=0,separator=new RegExp(separator.source,flags+"g"),separator2,match,lastIndex,lastLength;str+="";if(!compliantExecNpcg){separator2=new RegExp("^"+separator.source+"$(?!\\s)",flags)}limit=limit===undef?-1>>>0:limit>>>0;while(match=separator.exec(str)){lastIndex=match.index+match[0].length;if(lastIndex>lastLastIndex){output.push(str.slice(lastLastIndex,match.index));if(!compliantExecNpcg&&match.length>1){match[0].replace(separator2,function(){for(var i=1;i<arguments.length-2;i++){if(arguments[i]===undef){match[i]=undef}}})}if(match.length>1&&match.index<str.length){Array.prototype.push.apply(output,match.slice(1))}lastLength=match[0].length;lastLastIndex=lastIndex;if(output.length>=limit){break}}if(separator.lastIndex===match.index){separator.lastIndex++}}if(lastLastIndex===str.length){if(lastLength||!separator.test("")){output.push("")}}else{output.push(str.slice(lastLastIndex))}return output.length>limit?output.slice(0,limit):output};return self}()},{}],2:[function(require,module,exports){"use strict";var OneVersionConstraint=require("individual/one-version");var MY_VERSION="7";OneVersionConstraint("ev-store",MY_VERSION);var hashKey="__EV_STORE_KEY@"+MY_VERSION;module.exports=EvStore;function EvStore(elem){var hash=elem[hashKey];if(!hash){hash=elem[hashKey]={}}return hash}},{"individual/one-version":4}],3:[function(require,module,exports){(function(global){"use strict";var root=typeof window!=="undefined"?window:typeof global!=="undefined"?global:{};module.exports=Individual;function Individual(key,value){if(key in root){return root[key]}root[key]=value;return value}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],4:[function(require,module,exports){"use strict";var Individual=require("./index.js");module.exports=OneVersion;function OneVersion(moduleName,version,defaultValue){var key="__INDIVIDUAL_ONE_VERSION_"+moduleName;var enforceKey=key+"_ENFORCE_SINGLETON";var versionValue=Individual(enforceKey,version);if(versionValue!==version){throw new Error("Can only have one copy of "+moduleName+".\n"+"You already have version "+versionValue+" installed.\n"+"This means you cannot install version "+version)}return Individual(key,defaultValue)}},{"./index.js":3}],5:[function(require,module,exports){var nativeIsArray=Array.isArray;var toString=Object.prototype.toString;module.exports=nativeIsArray||isArray;function isArray(obj){return toString.call(obj)==="[object Array]"}},{}],6:[function(require,module,exports){"use strict";var EvStore=require("ev-store");module.exports=EvHook;function EvHook(value){if(!(this instanceof EvHook)){return new EvHook(value)}this.value=value}EvHook.prototype.hook=function(node,propertyName){var es=EvStore(node);var propName=propertyName.substr(3);es[propName]=this.value};EvHook.prototype.unhook=function(node,propertyName){var es=EvStore(node);var propName=propertyName.substr(3);es[propName]=undefined}},{"ev-store":2}],7:[function(require,module,exports){"use strict";module.exports=SoftSetHook;function SoftSetHook(value){if(!(this instanceof SoftSetHook)){return new SoftSetHook(value)}this.value=value}SoftSetHook.prototype.hook=function(node,propertyName){if(node[propertyName]!==this.value){node[propertyName]=this.value}}},{}],8:[function(require,module,exports){"use strict";var isArray=require("x-is-array");var VNode=require("../vnode/vnode.js");var VText=require("../vnode/vtext.js");var isVNode=require("../vnode/is-vnode");var isVText=require("../vnode/is-vtext");var isWidget=require("../vnode/is-widget");var isHook=require("../vnode/is-vhook");var isVThunk=require("../vnode/is-thunk");var parseTag=require("./parse-tag.js");var softSetHook=require("./hooks/soft-set-hook.js");var evHook=require("./hooks/ev-hook.js");module.exports=h;function h(tagName,properties,children){var childNodes=[];var tag,props,key,namespace;if(!children&&isChildren(properties)){children=properties;props={}}props=props||properties||{};tag=parseTag(tagName,props);if(props.hasOwnProperty("key")){key=props.key;props.key=undefined}if(props.hasOwnProperty("namespace")){namespace=props.namespace;props.namespace=undefined}if(tag==="INPUT"&&!namespace&&props.hasOwnProperty("value")&&props.value!==undefined&&!isHook(props.value)){props.value=softSetHook(props.value)}transformProperties(props);if(children!==undefined&&children!==null){addChild(children,childNodes,tag,props)}return new VNode(tag,props,childNodes,key,namespace)}function addChild(c,childNodes,tag,props){if(typeof c==="string"){childNodes.push(new VText(c))}else if(typeof c==="number"){childNodes.push(new VText(String(c)))}else if(isChild(c)){childNodes.push(c)}else if(isArray(c)){for(var i=0;i<c.length;i++){addChild(c[i],childNodes,tag,props)}}else if(c===null||c===undefined){return}else{throw UnexpectedVirtualElement({foreignObject:c,parentVnode:{tagName:tag,properties:props}})}}function transformProperties(props){for(var propName in props){if(props.hasOwnProperty(propName)){var value=props[propName];if(isHook(value)){continue}if(propName.substr(0,3)==="ev-"){props[propName]=evHook(value)}}}}function isChild(x){return isVNode(x)||isVText(x)||isWidget(x)||isVThunk(x)}function isChildren(x){return typeof x==="string"||isArray(x)||isChild(x)}function UnexpectedVirtualElement(data){var err=new Error;err.type="virtual-hyperscript.unexpected.virtual-element";err.message="Unexpected virtual child passed to h().\n"+"Expected a VNode / Vthunk / VWidget / string but:\n"+"got:\n"+errorString(data.foreignObject)+".\n"+"The parent vnode is:\n"+errorString(data.parentVnode);"\n"+"Suggested fix: change your `h(..., [ ... ])` callsite.";err.foreignObject=data.foreignObject;err.parentVnode=data.parentVnode;return err}function errorString(obj){try{return JSON.stringify(obj,null,"    ")}catch(e){return String(obj)}}},{"../vnode/is-thunk":10,"../vnode/is-vhook":11,"../vnode/is-vnode":12,"../vnode/is-vtext":13,"../vnode/is-widget":14,"../vnode/vnode.js":16,"../vnode/vtext.js":17,"./hooks/ev-hook.js":6,"./hooks/soft-set-hook.js":7,"./parse-tag.js":9,"x-is-array":5}],9:[function(require,module,exports){"use strict";var split=require("browser-split");var classIdSplit=/([\.#]?[a-zA-Z0-9\u007F-\uFFFF_:-]+)/;var notClassId=/^\.|#/;module.exports=parseTag;function parseTag(tag,props){if(!tag){return"DIV"}var noId=!props.hasOwnProperty("id");var tagParts=split(tag,classIdSplit);var tagName=null;if(notClassId.test(tagParts[1])){tagName="DIV"}var classes,part,type,i;for(i=0;i<tagParts.length;i++){part=tagParts[i];if(!part){continue}type=part.charAt(0);if(!tagName){tagName=part}else if(type==="."){classes=classes||[];classes.push(part.substring(1,part.length))}else if(type==="#"&&noId){props.id=part.substring(1,part.length)}}if(classes){if(props.className){classes.push(props.className)}props.className=classes.join(" ")}return props.namespace?tagName:tagName.toUpperCase()}},{"browser-split":1}],10:[function(require,module,exports){module.exports=isThunk;function isThunk(t){return t&&t.type==="Thunk"}},{}],11:[function(require,module,exports){module.exports=isHook;function isHook(hook){return hook&&(typeof hook.hook==="function"&&!hook.hasOwnProperty("hook")||typeof hook.unhook==="function"&&!hook.hasOwnProperty("unhook"))}},{}],12:[function(require,module,exports){var version=require("./version");module.exports=isVirtualNode;function isVirtualNode(x){return x&&x.type==="VirtualNode"&&x.version===version}},{"./version":15}],13:[function(require,module,exports){var version=require("./version");module.exports=isVirtualText;function isVirtualText(x){return x&&x.type==="VirtualText"&&x.version===version}},{"./version":15}],14:[function(require,module,exports){module.exports=isWidget;function isWidget(w){return w&&w.type==="Widget"}},{}],15:[function(require,module,exports){module.exports="2"},{}],16:[function(require,module,exports){var version=require("./version");var isVNode=require("./is-vnode");var isWidget=require("./is-widget");var isThunk=require("./is-thunk");var isVHook=require("./is-vhook");module.exports=VirtualNode;var noProperties={};var noChildren=[];function VirtualNode(tagName,properties,children,key,namespace){this.tagName=tagName;this.properties=properties||noProperties;this.children=children||noChildren;this.key=key!=null?String(key):undefined;this.namespace=typeof namespace==="string"?namespace:null;var count=children&&children.length||0;var descendants=0;var hasWidgets=false;var hasThunks=false;var descendantHooks=false;var hooks;for(var propName in properties){if(properties.hasOwnProperty(propName)){var property=properties[propName];if(isVHook(property)&&property.unhook){if(!hooks){hooks={}}hooks[propName]=property}}}for(var i=0;i<count;i++){var child=children[i];if(isVNode(child)){descendants+=child.count||0;if(!hasWidgets&&child.hasWidgets){hasWidgets=true}if(!hasThunks&&child.hasThunks){hasThunks=true}if(!descendantHooks&&(child.hooks||child.descendantHooks)){descendantHooks=true}}else if(!hasWidgets&&isWidget(child)){if(typeof child.destroy==="function"){hasWidgets=true}}else if(!hasThunks&&isThunk(child)){hasThunks=true}}this.count=count+descendants;this.hasWidgets=hasWidgets;this.hasThunks=hasThunks;this.hooks=hooks;this.descendantHooks=descendantHooks}VirtualNode.prototype.version=version;VirtualNode.prototype.type="VirtualNode"},{"./is-thunk":10,"./is-vhook":11,"./is-vnode":12,"./is-widget":14,"./version":15}],17:[function(require,module,exports){var version=require("./version");module.exports=VirtualText;function VirtualText(text){this.text=String(text)}VirtualText.prototype.version=version;VirtualText.prototype.type="VirtualText"},{"./version":15}],"virtual-dom/h":[function(require,module,exports){var h=require("./virtual-hyperscript/index.js");module.exports=h},{"./virtual-hyperscript/index.js":8}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){"use strict";module.exports=function isObject(x){return typeof x==="object"&&x!==null}},{}],2:[function(require,module,exports){var nativeIsArray=Array.isArray;var toString=Object.prototype.toString;module.exports=nativeIsArray||isArray;function isArray(obj){return toString.call(obj)==="[object Array]"}},{}],3:[function(require,module,exports){var isVNode=require("./is-vnode");var isVText=require("./is-vtext");var isWidget=require("./is-widget");var isThunk=require("./is-thunk");module.exports=handleThunk;function handleThunk(a,b){var renderedA=a;var renderedB=b;if(isThunk(b)){renderedB=renderThunk(b,a)}if(isThunk(a)){renderedA=renderThunk(a,null)}return{a:renderedA,b:renderedB}}function renderThunk(thunk,previous){var renderedThunk=thunk.vnode;if(!renderedThunk){renderedThunk=thunk.vnode=thunk.render(previous)}if(!(isVNode(renderedThunk)||isVText(renderedThunk)||isWidget(renderedThunk))){throw new Error("thunk did not return a valid node")}return renderedThunk}},{"./is-thunk":4,"./is-vnode":6,"./is-vtext":7,"./is-widget":8}],4:[function(require,module,exports){module.exports=isThunk;function isThunk(t){return t&&t.type==="Thunk"}},{}],5:[function(require,module,exports){module.exports=isHook;function isHook(hook){return hook&&(typeof hook.hook==="function"&&!hook.hasOwnProperty("hook")||typeof hook.unhook==="function"&&!hook.hasOwnProperty("unhook"))}},{}],6:[function(require,module,exports){var version=require("./version");module.exports=isVirtualNode;function isVirtualNode(x){return x&&x.type==="VirtualNode"&&x.version===version}},{"./version":9}],7:[function(require,module,exports){var version=require("./version");module.exports=isVirtualText;function isVirtualText(x){return x&&x.type==="VirtualText"&&x.version===version}},{"./version":9}],8:[function(require,module,exports){module.exports=isWidget;function isWidget(w){return w&&w.type==="Widget"}},{}],9:[function(require,module,exports){module.exports="2"},{}],10:[function(require,module,exports){var version=require("./version");VirtualPatch.NONE=0;VirtualPatch.VTEXT=1;VirtualPatch.VNODE=2;VirtualPatch.WIDGET=3;VirtualPatch.PROPS=4;VirtualPatch.ORDER=5;VirtualPatch.INSERT=6;VirtualPatch.REMOVE=7;VirtualPatch.THUNK=8;module.exports=VirtualPatch;function VirtualPatch(type,vNode,patch){this.type=Number(type);this.vNode=vNode;this.patch=patch}VirtualPatch.prototype.version=version;VirtualPatch.prototype.type="VirtualPatch"},{"./version":9}],11:[function(require,module,exports){var isObject=require("is-object");var isHook=require("../vnode/is-vhook");module.exports=diffProps;function diffProps(a,b){var diff;for(var aKey in a){if(!(aKey in b)){diff=diff||{};diff[aKey]=undefined}var aValue=a[aKey];var bValue=b[aKey];if(aValue===bValue){continue}else if(isObject(aValue)&&isObject(bValue)){if(getPrototype(bValue)!==getPrototype(aValue)){diff=diff||{};diff[aKey]=bValue}else if(isHook(bValue)){diff=diff||{};diff[aKey]=bValue}else{var objectDiff=diffProps(aValue,bValue);if(objectDiff){diff=diff||{};diff[aKey]=objectDiff}}}else{diff=diff||{};diff[aKey]=bValue}}for(var bKey in b){if(!(bKey in a)){diff=diff||{};diff[bKey]=b[bKey]}}return diff}function getPrototype(value){if(Object.getPrototypeOf){return Object.getPrototypeOf(value)}else if(value.__proto__){return value.__proto__}else if(value.constructor){return value.constructor.prototype}}},{"../vnode/is-vhook":5,"is-object":1}],12:[function(require,module,exports){var isArray=require("x-is-array");var VPatch=require("../vnode/vpatch");var isVNode=require("../vnode/is-vnode");var isVText=require("../vnode/is-vtext");var isWidget=require("../vnode/is-widget");var isThunk=require("../vnode/is-thunk");var handleThunk=require("../vnode/handle-thunk");var diffProps=require("./diff-props");module.exports=diff;function diff(a,b){var patch={a:a};walk(a,b,patch,0);return patch}function walk(a,b,patch,index){if(a===b){return}var apply=patch[index];var applyClear=false;if(isThunk(a)||isThunk(b)){thunks(a,b,patch,index)}else if(b==null){if(!isWidget(a)){clearState(a,patch,index);apply=patch[index]}apply=appendPatch(apply,new VPatch(VPatch.REMOVE,a,b))}else if(isVNode(b)){if(isVNode(a)){if(a.tagName===b.tagName&&a.namespace===b.namespace&&a.key===b.key){var propsPatch=diffProps(a.properties,b.properties);if(propsPatch){apply=appendPatch(apply,new VPatch(VPatch.PROPS,a,propsPatch))}apply=diffChildren(a,b,patch,apply,index)}else{apply=appendPatch(apply,new VPatch(VPatch.VNODE,a,b));applyClear=true}}else{apply=appendPatch(apply,new VPatch(VPatch.VNODE,a,b));applyClear=true}}else if(isVText(b)){if(!isVText(a)){apply=appendPatch(apply,new VPatch(VPatch.VTEXT,a,b));applyClear=true}else if(a.text!==b.text){apply=appendPatch(apply,new VPatch(VPatch.VTEXT,a,b))}}else if(isWidget(b)){if(!isWidget(a)){applyClear=true}apply=appendPatch(apply,new VPatch(VPatch.WIDGET,a,b))}if(apply){patch[index]=apply}if(applyClear){clearState(a,patch,index)}}function diffChildren(a,b,patch,apply,index){var aChildren=a.children;var orderedSet=reorder(aChildren,b.children);var bChildren=orderedSet.children;var aLen=aChildren.length;var bLen=bChildren.length;var len=aLen>bLen?aLen:bLen;for(var i=0;i<len;i++){var leftNode=aChildren[i];var rightNode=bChildren[i];index+=1;if(!leftNode){if(rightNode){apply=appendPatch(apply,new VPatch(VPatch.INSERT,null,rightNode))}}else{walk(leftNode,rightNode,patch,index)}if(isVNode(leftNode)&&leftNode.count){index+=leftNode.count}}if(orderedSet.moves){apply=appendPatch(apply,new VPatch(VPatch.ORDER,a,orderedSet.moves))}return apply}function clearState(vNode,patch,index){unhook(vNode,patch,index);destroyWidgets(vNode,patch,index)}function destroyWidgets(vNode,patch,index){if(isWidget(vNode)){if(typeof vNode.destroy==="function"){patch[index]=appendPatch(patch[index],new VPatch(VPatch.REMOVE,vNode,null))}}else if(isVNode(vNode)&&(vNode.hasWidgets||vNode.hasThunks)){var children=vNode.children;var len=children.length;for(var i=0;i<len;i++){var child=children[i];index+=1;destroyWidgets(child,patch,index);if(isVNode(child)&&child.count){index+=child.count}}}else if(isThunk(vNode)){thunks(vNode,null,patch,index)}}function thunks(a,b,patch,index){var nodes=handleThunk(a,b);var thunkPatch=diff(nodes.a,nodes.b);if(hasPatches(thunkPatch)){patch[index]=new VPatch(VPatch.THUNK,null,thunkPatch)}}function hasPatches(patch){for(var index in patch){if(index!=="a"){return true}}return false}function unhook(vNode,patch,index){if(isVNode(vNode)){if(vNode.hooks){patch[index]=appendPatch(patch[index],new VPatch(VPatch.PROPS,vNode,undefinedKeys(vNode.hooks)))}if(vNode.descendantHooks||vNode.hasThunks){var children=vNode.children;var len=children.length;for(var i=0;i<len;i++){var child=children[i];index+=1;unhook(child,patch,index);if(isVNode(child)&&child.count){index+=child.count}}}}else if(isThunk(vNode)){thunks(vNode,null,patch,index)}}function undefinedKeys(obj){var result={};for(var key in obj){result[key]=undefined}return result}function reorder(aChildren,bChildren){var bChildIndex=keyIndex(bChildren);var bKeys=bChildIndex.keys;var bFree=bChildIndex.free;if(bFree.length===bChildren.length){return{children:bChildren,moves:null}}var aChildIndex=keyIndex(aChildren);var aKeys=aChildIndex.keys;var aFree=aChildIndex.free;if(aFree.length===aChildren.length){return{children:bChildren,moves:null}}var newChildren=[];var freeIndex=0;var freeCount=bFree.length;var deletedItems=0;for(var i=0;i<aChildren.length;i++){var aItem=aChildren[i];var itemIndex;if(aItem.key){if(bKeys.hasOwnProperty(aItem.key)){itemIndex=bKeys[aItem.key];newChildren.push(bChildren[itemIndex])}else{itemIndex=i-deletedItems++;newChildren.push(null)}}else{if(freeIndex<freeCount){itemIndex=bFree[freeIndex++];newChildren.push(bChildren[itemIndex])}else{itemIndex=i-deletedItems++;newChildren.push(null)}}}var lastFreeIndex=freeIndex>=bFree.length?bChildren.length:bFree[freeIndex];for(var j=0;j<bChildren.length;j++){var newItem=bChildren[j];if(newItem.key){if(!aKeys.hasOwnProperty(newItem.key)){newChildren.push(newItem)}}else if(j>=lastFreeIndex){newChildren.push(newItem)}}var simulate=newChildren.slice();var simulateIndex=0;var removes=[];var inserts=[];var simulateItem;for(var k=0;k<bChildren.length;){var wantedItem=bChildren[k];simulateItem=simulate[simulateIndex];while(simulateItem===null&&simulate.length){removes.push(remove(simulate,simulateIndex,null));simulateItem=simulate[simulateIndex]}if(!simulateItem||simulateItem.key!==wantedItem.key){if(wantedItem.key){if(simulateItem&&simulateItem.key){if(bKeys[simulateItem.key]!==k+1){removes.push(remove(simulate,simulateIndex,simulateItem.key));simulateItem=simulate[simulateIndex];if(!simulateItem||simulateItem.key!==wantedItem.key){inserts.push({key:wantedItem.key,to:k})}else{simulateIndex++}}else{inserts.push({key:wantedItem.key,to:k})}}else{inserts.push({key:wantedItem.key,to:k})}k++}else if(simulateItem&&simulateItem.key){removes.push(remove(simulate,simulateIndex,simulateItem.key))}}else{simulateIndex++;k++}}while(simulateIndex<simulate.length){simulateItem=simulate[simulateIndex];removes.push(remove(simulate,simulateIndex,simulateItem&&simulateItem.key))}if(removes.length===deletedItems&&!inserts.length){return{children:newChildren,moves:null}}return{children:newChildren,moves:{removes:removes,inserts:inserts}}}function remove(arr,index,key){arr.splice(index,1);return{from:index,key:key}}function keyIndex(children){var keys={};var free=[];var length=children.length;for(var i=0;i<length;i++){var child=children[i];if(child.key){keys[child.key]=i}else{free.push(i)}}return{keys:keys,free:free}}function appendPatch(apply,patch){if(apply){if(isArray(apply)){apply.push(patch)}else{apply=[apply,patch]}return apply}else{return patch}}},{"../vnode/handle-thunk":3,"../vnode/is-thunk":4,"../vnode/is-vnode":6,"../vnode/is-vtext":7,"../vnode/is-widget":8,"../vnode/vpatch":10,"./diff-props":11,"x-is-array":2}],"virtual-dom/diff":[function(require,module,exports){var diff=require("./vtree/diff.js");module.exports=diff},{"./vtree/diff.js":12}]},{},[]);var h=require("virtual-dom/h");var diff=require("virtual-dom/diff");var pv=require("virtual-dom-patch-viewer");vdom1=h("div",[h("div","div stuff"),h("a",{href:"other.html"})]);vdom2=h("div",[h("a",{href:"other.html"})]);pv(diff(vdom1,vdom2))},0);

package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "virtual-dom-patch-viewer": "0.1.5",
    "virtual-dom": "2.1.1"
  }
}

page-body.html

<!-- contents of this file will be placed inside the <body> -->

page-head.html

<!-- contents of this file will be placed inside the <head> -->

requirebin.md

made with requirebin