requirebin sketch

index.js

var h = require('virtual-dom/h');
var diff = require('virtual-dom/diff');
var patch = require('virtual-dom/patch');
var createElement = require('virtual-dom/create-element');

 
function render()  {  
  return h('ul', elements.map(function(el) {  
    return h('li', {key: el.id, className: (el.isBlue ? 'blue' : '')}, String(el.id));
  }));
}


var $1 = {id: 1};
var $2 = {id: 2};
var $3 = {id: 3, isBlue: true};
var $4 = {id: 4};
var $5 = {id: 5, isBlue: true};
var $6 = {id: 6, isBlue: true};
var $7 = {id: 7, isBlue: true};
var $8 = {id: 8};
var $9 = {id: 9, isBlue: true};

var page1 = [$1, $2, $3, $4, $5, $8, $9];
var page2 = [$5, $6, $7];

var elements = page1;

var button = document.createElement('button');
button.textContent = 'toggle filter';
button.onclick = toggleFilter;
document.body.appendChild(button);

var tree = render();           
var rootNode = createElement(tree);     
document.body.appendChild(rootNode);

function toggleFilter() {
  elements = (elements == page1) ? page2 : page1;
  
  var newTree = render();
  var patches = diff(tree, newTree);
  rootNode = patch(rootNode, patches);
  tree = newTree;
}
 

var insertCSS = require('insert-css');
var css = 'li { padding: 4px; margin: 4px; } .blue { background: blue; color: white }';
insertCSS(css);

minified.js

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(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_:-]+)/;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="1"},{}],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="1"},{}],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 bChildren=reorder(aChildren,b.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(bChildren.moves){apply=appendPatch(apply,new VPatch(VPatch.ORDER,a,bChildren.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 bKeys=keyIndex(bChildren);if(!bKeys){return bChildren}var aKeys=keyIndex(aChildren);if(!aKeys){return bChildren}var bMatch={},aMatch={};for(var aKey in bKeys){bMatch[bKeys[aKey]]=aKeys[aKey]}for(var bKey in aKeys){aMatch[aKeys[bKey]]=bKeys[bKey]}var aLen=aChildren.length;var bLen=bChildren.length;var len=aLen>bLen?aLen:bLen;var shuffle=[];var freeIndex=0;var i=0;var moveIndex=0;var moves={};var removes=moves.removes={};var reverse=moves.reverse={};var hasMoves=false;while(freeIndex<len){var move=aMatch[i];if(move!==undefined){shuffle[i]=bChildren[move];if(move!==moveIndex){moves[move]=moveIndex;reverse[moveIndex]=move;hasMoves=true}moveIndex++}else if(i in aMatch){shuffle[i]=undefined;removes[i]=moveIndex++;hasMoves=true}else{while(bMatch[freeIndex]!==undefined){freeIndex++}if(freeIndex<len){var freeChild=bChildren[freeIndex];if(freeChild){shuffle[i]=freeChild;if(freeIndex!==moveIndex){hasMoves=true;moves[freeIndex]=moveIndex;reverse[moveIndex]=freeIndex}moveIndex++}freeIndex++}}i++}if(hasMoves){shuffle.moves=moves}return shuffle}function keyIndex(children){var i,keys;for(i=0;i<children.length;i++){var child=children[i];if(child.key!==undefined){keys=keys||{};keys[child.key]=i}}return keys}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}]},{},[]);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){},{}],2:[function(require,module,exports){(function(global){var topLevel=typeof global!=="undefined"?global:typeof window!=="undefined"?window:{};var minDoc=require("min-document");if(typeof document!=="undefined"){module.exports=document}else{var doccy=topLevel["__GLOBAL_DOCUMENT_CACHE@4"];if(!doccy){doccy=topLevel["__GLOBAL_DOCUMENT_CACHE@4"]=minDoc}module.exports=doccy}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"min-document":1}],3:[function(require,module,exports){"use strict";module.exports=function isObject(x){return typeof x==="object"&&x!==null}},{}],4:[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]"}},{}],5:[function(require,module,exports){var isObject=require("is-object");var isHook=require("../vnode/is-vhook.js");module.exports=applyProperties;function applyProperties(node,props,previous){for(var propName in props){var propValue=props[propName];if(propValue===undefined){removeProperty(node,propName,propValue,previous)}else if(isHook(propValue)){removeProperty(node,propName,propValue,previous);if(propValue.hook){propValue.hook(node,propName,previous?previous[propName]:undefined)}}else{if(isObject(propValue)){patchObject(node,props,previous,propName,propValue)}else{node[propName]=propValue}}}}function removeProperty(node,propName,propValue,previous){if(previous){var previousValue=previous[propName];if(!isHook(previousValue)){if(propName==="attributes"){for(var attrName in previousValue){node.removeAttribute(attrName)}}else if(propName==="style"){for(var i in previousValue){node.style[i]=""}}else if(typeof previousValue==="string"){node[propName]=""}else{node[propName]=null}}else if(previousValue.unhook){previousValue.unhook(node,propName,propValue)}}}function patchObject(node,props,previous,propName,propValue){var previousValue=previous?previous[propName]:undefined;if(propName==="attributes"){for(var attrName in propValue){var attrValue=propValue[attrName];if(attrValue===undefined){node.removeAttribute(attrName)}else{node.setAttribute(attrName,attrValue)}}return}if(previousValue&&isObject(previousValue)&&getPrototype(previousValue)!==getPrototype(propValue)){node[propName]=propValue;return}if(!isObject(node[propName])){node[propName]={}}var replacer=propName==="style"?"":undefined;for(var k in propValue){var value=propValue[k];node[propName][k]=value===undefined?replacer:value}}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.js":13,"is-object":3}],6:[function(require,module,exports){var document=require("global/document");var applyProperties=require("./apply-properties");var isVNode=require("../vnode/is-vnode.js");var isVText=require("../vnode/is-vtext.js");var isWidget=require("../vnode/is-widget.js");var handleThunk=require("../vnode/handle-thunk.js");module.exports=createElement;function createElement(vnode,opts){var doc=opts?opts.document||document:document;var warn=opts?opts.warn:null;vnode=handleThunk(vnode).a;if(isWidget(vnode)){return vnode.init()}else if(isVText(vnode)){return doc.createTextNode(vnode.text)}else if(!isVNode(vnode)){if(warn){warn("Item is not a valid virtual dom node",vnode)}return null}var node=vnode.namespace===null?doc.createElement(vnode.tagName):doc.createElementNS(vnode.namespace,vnode.tagName);var props=vnode.properties;applyProperties(node,props);var children=vnode.children;for(var i=0;i<children.length;i++){var childNode=createElement(children[i],opts);if(childNode){node.appendChild(childNode)}}return node}},{"../vnode/handle-thunk.js":11,"../vnode/is-vnode.js":14,"../vnode/is-vtext.js":15,"../vnode/is-widget.js":16,"./apply-properties":5,"global/document":2}],7:[function(require,module,exports){var noChild={};module.exports=domIndex;function domIndex(rootNode,tree,indices,nodes){if(!indices||indices.length===0){return{}}else{indices.sort(ascending);return recurse(rootNode,tree,indices,nodes,0)}}function recurse(rootNode,tree,indices,nodes,rootIndex){nodes=nodes||{};if(rootNode){if(indexInRange(indices,rootIndex,rootIndex)){nodes[rootIndex]=rootNode}var vChildren=tree.children;if(vChildren){var childNodes=rootNode.childNodes;for(var i=0;i<tree.children.length;i++){rootIndex+=1;var vChild=vChildren[i]||noChild;var nextIndex=rootIndex+(vChild.count||0);if(indexInRange(indices,rootIndex,nextIndex)){recurse(childNodes[i],vChild,indices,nodes,rootIndex)}rootIndex=nextIndex}}}return nodes}function indexInRange(indices,left,right){if(indices.length===0){return false}var minIndex=0;var maxIndex=indices.length-1;var currentIndex;var currentItem;while(minIndex<=maxIndex){currentIndex=(maxIndex+minIndex)/2>>0;currentItem=indices[currentIndex];if(minIndex===maxIndex){return currentItem>=left&&currentItem<=right}else if(currentItem<left){minIndex=currentIndex+1}else if(currentItem>right){maxIndex=currentIndex-1}else{return true}}return false}function ascending(a,b){return a>b?1:-1}},{}],8:[function(require,module,exports){var applyProperties=require("./apply-properties");var isWidget=require("../vnode/is-widget.js");var VPatch=require("../vnode/vpatch.js");var render=require("./create-element");var updateWidget=require("./update-widget");module.exports=applyPatch;function applyPatch(vpatch,domNode,renderOptions){var type=vpatch.type;var vNode=vpatch.vNode;var patch=vpatch.patch;switch(type){case VPatch.REMOVE:return removeNode(domNode,vNode);case VPatch.INSERT:return insertNode(domNode,patch,renderOptions);case VPatch.VTEXT:return stringPatch(domNode,vNode,patch,renderOptions);case VPatch.WIDGET:return widgetPatch(domNode,vNode,patch,renderOptions);case VPatch.VNODE:return vNodePatch(domNode,vNode,patch,renderOptions);case VPatch.ORDER:reorderChildren(domNode,patch);return domNode;case VPatch.PROPS:applyProperties(domNode,patch,vNode.properties);return domNode;case VPatch.THUNK:return replaceRoot(domNode,renderOptions.patch(domNode,patch,renderOptions));default:return domNode}}function removeNode(domNode,vNode){var parentNode=domNode.parentNode;if(parentNode){parentNode.removeChild(domNode)}destroyWidget(domNode,vNode);return null}function insertNode(parentNode,vNode,renderOptions){var newNode=render(vNode,renderOptions);if(parentNode){parentNode.appendChild(newNode)}return parentNode}function stringPatch(domNode,leftVNode,vText,renderOptions){var newNode;if(domNode.nodeType===3){domNode.replaceData(0,domNode.length,vText.text);newNode=domNode}else{var parentNode=domNode.parentNode;newNode=render(vText,renderOptions);if(parentNode){parentNode.replaceChild(newNode,domNode)}}return newNode}function widgetPatch(domNode,leftVNode,widget,renderOptions){var updating=updateWidget(leftVNode,widget);var newNode;if(updating){newNode=widget.update(leftVNode,domNode)||domNode}else{newNode=render(widget,renderOptions)}var parentNode=domNode.parentNode;if(parentNode&&newNode!==domNode){parentNode.replaceChild(newNode,domNode)}if(!updating){destroyWidget(domNode,leftVNode)}return newNode}function vNodePatch(domNode,leftVNode,vNode,renderOptions){var parentNode=domNode.parentNode;var newNode=render(vNode,renderOptions);if(parentNode){parentNode.replaceChild(newNode,domNode)}return newNode}function destroyWidget(domNode,w){if(typeof w.destroy==="function"&&isWidget(w)){w.destroy(domNode)}}function reorderChildren(domNode,bIndex){var children=[];var childNodes=domNode.childNodes;var len=childNodes.length;var i;var reverseIndex=bIndex.reverse;for(i=0;i<len;i++){children.push(domNode.childNodes[i])}var insertOffset=0;var move;var node;var insertNode;var chainLength;var insertedLength;var nextSibling;for(i=0;i<len;){move=bIndex[i];chainLength=1;if(move!==undefined&&move!==i){while(bIndex[i+chainLength]===move+chainLength){chainLength++}if(reverseIndex[i]>i+chainLength){insertOffset++}node=children[move];insertNode=childNodes[i+insertOffset]||null;insertedLength=0;while(node!==insertNode&&insertedLength++<chainLength){domNode.insertBefore(node,insertNode);node=children[move+insertedLength]}if(move+chainLength<i){insertOffset--}}if(i in bIndex.removes){insertOffset++}i+=chainLength}}function replaceRoot(oldRoot,newRoot){if(oldRoot&&newRoot&&oldRoot!==newRoot&&oldRoot.parentNode){console.log(oldRoot);oldRoot.parentNode.replaceChild(newRoot,oldRoot)}return newRoot}},{"../vnode/is-widget.js":16,"../vnode/vpatch.js":18,"./apply-properties":5,"./create-element":6,"./update-widget":10}],9:[function(require,module,exports){var document=require("global/document");var isArray=require("x-is-array");var domIndex=require("./dom-index");var patchOp=require("./patch-op");module.exports=patch;function patch(rootNode,patches){return patchRecursive(rootNode,patches)}function patchRecursive(rootNode,patches,renderOptions){var indices=patchIndices(patches);if(indices.length===0){return rootNode}var index=domIndex(rootNode,patches.a,indices);var ownerDocument=rootNode.ownerDocument;if(!renderOptions){renderOptions={patch:patchRecursive};if(ownerDocument!==document){renderOptions.document=ownerDocument}}for(var i=0;i<indices.length;i++){var nodeIndex=indices[i];rootNode=applyPatch(rootNode,index[nodeIndex],patches[nodeIndex],renderOptions)}return rootNode}function applyPatch(rootNode,domNode,patchList,renderOptions){if(!domNode){return rootNode}var newNode;if(isArray(patchList)){for(var i=0;i<patchList.length;i++){newNode=patchOp(patchList[i],domNode,renderOptions);if(domNode===rootNode){rootNode=newNode}}}else{newNode=patchOp(patchList,domNode,renderOptions);if(domNode===rootNode){rootNode=newNode}}return rootNode}function patchIndices(patches){var indices=[];for(var key in patches){if(key!=="a"){indices.push(Number(key))}}return indices}},{"./dom-index":7,"./patch-op":8,"global/document":2,"x-is-array":4}],10:[function(require,module,exports){var isWidget=require("../vnode/is-widget.js");module.exports=updateWidget;function updateWidget(a,b){if(isWidget(a)&&isWidget(b)){if("name"in a&&"name"in b){return a.id===b.id}else{return a.init===b.init}}return false}},{"../vnode/is-widget.js":16}],11:[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":12,"./is-vnode":14,"./is-vtext":15,"./is-widget":16}],12:[function(require,module,exports){module.exports=isThunk;function isThunk(t){return t&&t.type==="Thunk"}},{}],13:[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"))}},{}],14:[function(require,module,exports){var version=require("./version");module.exports=isVirtualNode;function isVirtualNode(x){return x&&x.type==="VirtualNode"&&x.version===version}},{"./version":17}],15:[function(require,module,exports){var version=require("./version");module.exports=isVirtualText;function isVirtualText(x){return x&&x.type==="VirtualText"&&x.version===version}},{"./version":17}],16:[function(require,module,exports){module.exports=isWidget;
function isWidget(w){return w&&w.type==="Widget"}},{}],17:[function(require,module,exports){module.exports="1"},{}],18:[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":17}],"virtual-dom/patch":[function(require,module,exports){var patch=require("./vdom/patch.js");module.exports=patch},{"./vdom/patch.js":9}]},{},[]);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){},{}],2:[function(require,module,exports){(function(global){var topLevel=typeof global!=="undefined"?global:typeof window!=="undefined"?window:{};var minDoc=require("min-document");if(typeof document!=="undefined"){module.exports=document}else{var doccy=topLevel["__GLOBAL_DOCUMENT_CACHE@4"];if(!doccy){doccy=topLevel["__GLOBAL_DOCUMENT_CACHE@4"]=minDoc}module.exports=doccy}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"min-document":1}],3:[function(require,module,exports){"use strict";module.exports=function isObject(x){return typeof x==="object"&&x!==null}},{}],4:[function(require,module,exports){var isObject=require("is-object");var isHook=require("../vnode/is-vhook.js");module.exports=applyProperties;function applyProperties(node,props,previous){for(var propName in props){var propValue=props[propName];if(propValue===undefined){removeProperty(node,propName,propValue,previous)}else if(isHook(propValue)){removeProperty(node,propName,propValue,previous);if(propValue.hook){propValue.hook(node,propName,previous?previous[propName]:undefined)}}else{if(isObject(propValue)){patchObject(node,props,previous,propName,propValue)}else{node[propName]=propValue}}}}function removeProperty(node,propName,propValue,previous){if(previous){var previousValue=previous[propName];if(!isHook(previousValue)){if(propName==="attributes"){for(var attrName in previousValue){node.removeAttribute(attrName)}}else if(propName==="style"){for(var i in previousValue){node.style[i]=""}}else if(typeof previousValue==="string"){node[propName]=""}else{node[propName]=null}}else if(previousValue.unhook){previousValue.unhook(node,propName,propValue)}}}function patchObject(node,props,previous,propName,propValue){var previousValue=previous?previous[propName]:undefined;if(propName==="attributes"){for(var attrName in propValue){var attrValue=propValue[attrName];if(attrValue===undefined){node.removeAttribute(attrName)}else{node.setAttribute(attrName,attrValue)}}return}if(previousValue&&isObject(previousValue)&&getPrototype(previousValue)!==getPrototype(propValue)){node[propName]=propValue;return}if(!isObject(node[propName])){node[propName]={}}var replacer=propName==="style"?"":undefined;for(var k in propValue){var value=propValue[k];node[propName][k]=value===undefined?replacer:value}}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.js":8,"is-object":3}],5:[function(require,module,exports){var document=require("global/document");var applyProperties=require("./apply-properties");var isVNode=require("../vnode/is-vnode.js");var isVText=require("../vnode/is-vtext.js");var isWidget=require("../vnode/is-widget.js");var handleThunk=require("../vnode/handle-thunk.js");module.exports=createElement;function createElement(vnode,opts){var doc=opts?opts.document||document:document;var warn=opts?opts.warn:null;vnode=handleThunk(vnode).a;if(isWidget(vnode)){return vnode.init()}else if(isVText(vnode)){return doc.createTextNode(vnode.text)}else if(!isVNode(vnode)){if(warn){warn("Item is not a valid virtual dom node",vnode)}return null}var node=vnode.namespace===null?doc.createElement(vnode.tagName):doc.createElementNS(vnode.namespace,vnode.tagName);var props=vnode.properties;applyProperties(node,props);var children=vnode.children;for(var i=0;i<children.length;i++){var childNode=createElement(children[i],opts);if(childNode){node.appendChild(childNode)}}return node}},{"../vnode/handle-thunk.js":6,"../vnode/is-vnode.js":9,"../vnode/is-vtext.js":10,"../vnode/is-widget.js":11,"./apply-properties":4,"global/document":2}],6:[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":7,"./is-vnode":9,"./is-vtext":10,"./is-widget":11}],7:[function(require,module,exports){module.exports=isThunk;function isThunk(t){return t&&t.type==="Thunk"}},{}],8:[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"))}},{}],9:[function(require,module,exports){var version=require("./version");module.exports=isVirtualNode;function isVirtualNode(x){return x&&x.type==="VirtualNode"&&x.version===version}},{"./version":12}],10:[function(require,module,exports){var version=require("./version");module.exports=isVirtualText;function isVirtualText(x){return x&&x.type==="VirtualText"&&x.version===version}},{"./version":12}],11:[function(require,module,exports){module.exports=isWidget;function isWidget(w){return w&&w.type==="Widget"}},{}],12:[function(require,module,exports){module.exports="1"},{}],"virtual-dom/create-element":[function(require,module,exports){var createElement=require("./vdom/create-element.js");module.exports=createElement},{"./vdom/create-element.js":5}]},{},[]);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}({"insert-css":[function(require,module,exports){var inserted={};module.exports=function(css,options){if(inserted[css])return;inserted[css]=true;var elem=document.createElement("style");elem.setAttribute("type","text/css");if("textContent"in elem){elem.textContent=css}else{elem.styleSheet.cssText=css}var head=document.getElementsByTagName("head")[0];if(options&&options.prepend){head.insertBefore(elem,head.childNodes[0])}else{head.appendChild(elem)}}},{}]},{},[]);var h=require("virtual-dom/h");var diff=require("virtual-dom/diff");var patch=require("virtual-dom/patch");var createElement=require("virtual-dom/create-element");function render(){return h("ul",elements.map(function(el){return h("li",{key:el.id,className:el.isBlue?"blue":""},String(el.id))}))}var $1={id:1};var $2={id:2};var $3={id:3,isBlue:true};var $4={id:4};var $5={id:5,isBlue:true};var $6={id:6,isBlue:true};var $7={id:7,isBlue:true};var $8={id:8};var $9={id:9,isBlue:true};var page1=[$1,$2,$3,$4,$5,$8,$9];var page2=[$5,$6,$7];var elements=page1;var button=document.createElement("button");button.textContent="toggle filter";button.onclick=toggleFilter;document.body.appendChild(button);var tree=render();var rootNode=createElement(tree);document.body.appendChild(rootNode);function toggleFilter(){elements=elements==page1?page2:page1;var newTree=render();var patches=diff(tree,newTree);rootNode=patch(rootNode,patches);tree=newTree}var insertCSS=require("insert-css");var css="li { padding: 4px; margin: 4px; } .blue { background: blue; color: white }";insertCSS(css);

package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "virtual-dom": "1.3.0",
    "insert-css": "0.2.0"
  }
}

page-head.html

<style type='text/css'>html, body { margin: 0; padding: 0; border: 0; }
body, html { height: 100%; width: 100%; }</style>

requirebin.md

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