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mathiasvr/index.js

Created June 9, 2016 22:57
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Raw
index.js
var mainLoop = require('main-loop')
var h = require('virtual-dom/h')
var state = { items: [] }
function renderItem (item) {
var listItem = h('li.item', {
key: item.color, // TODO: use a unique key.
style: { 'background-color': item.color },
onclick: function (ev) { removeItem(item.color) }
}, String(item.content))
listItem.transition = 500
return listItem
}
function render (state) {
return h('div', [
h('section.list.swing', [
h('button', { 'onclick': addItem }, 'Add a list item'),
h('ul', state.items.map(function (item) {
return renderItem(item)
}))
])
])
}
function addItem () {
state.items.push({ content: 'List item', color: getRandomColor() })
loop.update(state)
}
function removeItem (color) {
state.items.forEach(function (item, i) {
if (item.color === color) state.items.splice(i, 1)
})
loop.update(state)
}
function getRandomColor () {
var letters = '0123456789ABCDEF'.split('')
var color = '#'
for (var i = 0; i < 6; i++) {
color += letters[Math.floor(Math.random() * 16)]
}
return color
}
var loop = mainLoop(state, render, {
create: require('virtual-dom/create-element'),
diff: require('virtual-dom/diff'),
patch: require('virtual-dom-transition')
})
document.body.appendChild(loop.target)
// Add some items
for (var i = 0; i < 3; i++) addItem()
Raw
minified.js
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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 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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 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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}]},{},[]);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":9,"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":7,"../vnode/is-vnode.js":10,"../vnode/is-vtext.js":11,"../vnode/is-widget.js":12,"./apply-properties":4,"global/document":2}],6:[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":12}],7:[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":8,"./is-vnode":10,"./is-vtext":11,"./is-widget":12}],8:[function(require,module,exports){module.exports=isThunk;function isThunk(t){return t&&t.type==="Thunk"}},{}],9:[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"))}},{}],10:[function(require,module,exports){var version=require("./version");module.exports=isVirtualNode;function isVirtualNode(x){return x&&x.type==="VirtualNode"&&x.version===version}},{"./version":13}],11:[function(require,module,exports){var version=require("./version");module.exports=isVirtualText;function isVirtualText(x){return x&&x.type==="VirtualText"&&x.version===version}},{"./version":13}],12:[function(require,module,exports){module.exports=isWidget;function isWidget(w){return w&&w.type==="Widget"}},{}],13:[function(require,module,exports){module.exports="2"},{}],14:[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":13}],15:[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]"}},{}],16:[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,j=0;i<tree.children.length;i++,j++){rootIndex+=1;var vChild=vChildren[i]||noChild;var nextIndex=rootIndex+(vChild.count||0);if(indexInRange(indices,rootIndex,nextIndex)){while(childNodes[j]&&childNodes[j].isLeaving)j++;recurse(childNodes[j],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}},{}],17:[function(require,module,exports){var applyProperties=require("virtual-dom/vdom/apply-properties");var isWidget=require("virtual-dom/vnode/is-widget.js");var VPatch=require("virtual-dom/vnode/vpatch.js");var updateWidget=require("virtual-dom/vdom/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){if(vNode.transition){domNode.isLeaving=true;domNode.classList.add(vNode.transition.leaveClass||"leave");setTimeout(function(){parentNode.removeChild(domNode)},typeof vNode.transition!=="object"?vNode.transition:vNode.transition.duration||1e3)}else{parentNode.removeChild(domNode)}}destroyWidget(domNode,vNode);return null}function insertNode(parentNode,vNode,renderOptions){var newNode=renderOptions.render(vNode,renderOptions);if(parentNode){if(vNode.transition){newNode.classList.add(vNode.enterClass||"enter");setTimeout(function(){newNode.classList.remove(vNode.enterClass||"enter")},10)}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=renderOptions.render(vText,renderOptions);if(parentNode&&newNode!==domNode){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=renderOptions.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=renderOptions.render(vNode,renderOptions);if(parentNode&&newNode!==domNode){parentNode.replaceChild(newNode,domNode)}return newNode}function destroyWidget(domNode,w){if(typeof w.destroy==="function"&&isWidget(w)){w.destroy(domNode)}}function reorderChildren(domNode,moves){var childNodes=domNode.childNodes;var keyMap={};var node;var remove;var insert;for(var i=0;i<moves.removes.length;i++){remove=moves.removes[i];node=childNodes[remove.from];if(remove.key){keyMap[remove.key]=node}domNode.removeChild(node)}var length=childNodes.length;for(var j=0;j<moves.inserts.length;j++){insert=moves.inserts[j];node=keyMap[insert.key];domNode.insertBefore(node,insert.to>=length++?null:childNodes[insert.to])}}function replaceRoot(oldRoot,newRoot){if(oldRoot&&newRoot&&oldRoot!==newRoot&&oldRoot.parentNode){oldRoot.parentNode.replaceChild(newRoot,oldRoot)}return newRoot}},{"virtual-dom/vdom/apply-properties":4,"virtual-dom/vdom/update-widget":6,"virtual-dom/vnode/is-widget.js":12,"virtual-dom/vnode/vpatch.js":14}],18:[function(require,module,exports){var document=require("global/document");var isArray=require("x-is-array");var render=require("virtual-dom/vdom/create-element");var domIndex=require("./dom-index");var patchOp=require("./patch-op");module.exports=patch;function patch(rootNode,patches,renderOptions){renderOptions=renderOptions||{};renderOptions.patch=renderOptions.patch&&renderOptions.patch!==patch?renderOptions.patch:patchRecursive;renderOptions.render=renderOptions.render||render;return renderOptions.patch(rootNode,patches,renderOptions)}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.document&&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":16,"./patch-op":17,"global/document":2,"virtual-dom/vdom/create-element":5,"x-is-array":15}],"virtual-dom-transition":[function(require,module,exports){module.exports=require("./vdom/patch.js")},{"./vdom/patch.js":18}]},{},[]);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){var process=module.exports={};process.nextTick=function(){var canSetImmediate=typeof window!=="undefined"&&window.setImmediate;var canMutationObserver=typeof window!=="undefined"&&window.MutationObserver;var canPost=typeof window!=="undefined"&&window.postMessage&&window.addEventListener;if(canSetImmediate){return function(f){return window.setImmediate(f)}}var queue=[];if(canMutationObserver){var hiddenDiv=document.createElement("div");var observer=new MutationObserver(function(){var queueList=queue.slice();queue.length=0;queueList.forEach(function(fn){fn()})});observer.observe(hiddenDiv,{attributes:true});return function nextTick(fn){if(!queue.length){hiddenDiv.setAttribute("yes","no")}queue.push(fn)}}if(canPost){window.addEventListener("message",function(ev){var source=ev.source;if((source===window||source===null)&&ev.data==="process-tick"){ev.stopPropagation();if(queue.length>0){var fn=queue.shift();fn()}}},true);return function nextTick(fn){queue.push(fn);window.postMessage("process-tick","*")}}return function nextTick(fn){setTimeout(fn,0)}}();process.title="browser";process.browser=true;process.env={};process.argv=[];function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")}},{}],2:[function(require,module,exports){module.exports=function(obj){if(typeof obj==="string")return camelCase(obj);return walk(obj)};function walk(obj){if(!obj||typeof obj!=="object")return obj;if(isDate(obj)||isRegex(obj))return obj;if(isArray(obj))return map(obj,walk);return reduce(objectKeys(obj),function(acc,key){var camel=camelCase(key);acc[camel]=walk(obj[key]);return acc},{})}function camelCase(str){return str.replace(/[_.-](\w|$)/g,function(_,x){return x.toUpperCase()})}var isArray=Array.isArray||function(obj){return Object.prototype.toString.call(obj)==="[object Array]"};var isDate=function(obj){return Object.prototype.toString.call(obj)==="[object Date]"};var isRegex=function(obj){return Object.prototype.toString.call(obj)==="[object RegExp]"};var has=Object.prototype.hasOwnProperty;var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj){if(has.call(obj,key))keys.push(key)}return keys};function map(xs,f){if(xs.map)return xs.map(f);var res=[];for(var i=0;i<xs.length;i++){res.push(f(xs[i],i))}return res}function reduce(xs,f,acc){if(xs.reduce)return xs.reduce(f,acc);for(var i=0;i<xs.length;i++){acc=f(acc,xs[i],i)}return acc}},{}],3:[function(require,module,exports){var nargs=/\{([0-9a-zA-Z]+)\}/g;var slice=Array.prototype.slice;module.exports=template;function template(string){var args;if(arguments.length===2&&typeof arguments[1]==="object"){args=arguments[1]}else{args=slice.call(arguments,1)}if(!args||!args.hasOwnProperty){args={}}return string.replace(nargs,function replaceArg(match,i,index){var result;if(string[index-1]==="{"&&string[index+match.length]==="}"){return i}else{result=args.hasOwnProperty(i)?args[i]:null;if(result===null||result===undefined){return""}return result}})}},{}],4:[function(require,module,exports){module.exports=extend;var hasOwnProperty=Object.prototype.hasOwnProperty;function extend(target){for(var i=1;i<arguments.length;i++){var source=arguments[i];for(var key in source){if(hasOwnProperty.call(source,key)){target[key]=source[key]}}}return target}},{}],5:[function(require,module,exports){var camelize=require("camelize");var template=require("string-template");var extend=require("xtend/mutable");module.exports=TypedError;function TypedError(args){if(!args){throw new Error("args is required")}if(!args.type){throw new Error("args.type is required")}if(!args.message){throw new Error("args.message is required")}var message=args.message;if(args.type&&!args.name){var errorName=camelize(args.type)+"Error";args.name=errorName[0].toUpperCase()+errorName.substr(1)}extend(createError,args);createError._name=args.name;return createError;function createError(opts){var result=new Error;Object.defineProperty(result,"type",{value:result.type,enumerable:true,writable:true,configurable:true});var options=extend({},args,opts);extend(result,options);result.message=template(message,options);return result}}},{camelize:2,"string-template":3,"xtend/mutable":4}],6:[function(require,module,exports){var now=require("performance-now"),global=typeof window==="undefined"?{}:window,vendors=["moz","webkit"],suffix="AnimationFrame",raf=global["request"+suffix],caf=global["cancel"+suffix]||global["cancelRequest"+suffix],isNative=true;for(var i=0;i<vendors.length&&!raf;i++){raf=global[vendors[i]+"Request"+suffix];caf=global[vendors[i]+"Cancel"+suffix]||global[vendors[i]+"CancelRequest"+suffix]}if(!raf||!caf){isNative=false;var last=0,id=0,queue=[],frameDuration=1e3/60;raf=function(callback){if(queue.length===0){var _now=now(),next=Math.max(0,frameDuration-(_now-last));last=next+_now;setTimeout(function(){var cp=queue.slice(0);queue.length=0;for(var i=0;i<cp.length;i++){if(!cp[i].cancelled){try{cp[i].callback(last)}catch(e){setTimeout(function(){throw e},0)}}}},Math.round(next))}queue.push({handle:++id,callback:callback,cancelled:false});return id};caf=function(handle){for(var i=0;i<queue.length;i++){if(queue[i].handle===handle){queue[i].cancelled=true}}}}module.exports=function(fn){if(!isNative){return raf.call(global,fn)}return raf.call(global,function(){try{fn.apply(this,arguments)}catch(e){setTimeout(function(){throw e},0)}})};module.exports.cancel=function(){caf.apply(global,arguments)}},{"performance-now":7}],7:[function(require,module,exports){(function(process){(function(){var getNanoSeconds,hrtime,loadTime;if(typeof performance!=="undefined"&&performance!==null&&performance.now){module.exports=function(){return performance.now()}}else if(typeof process!=="undefined"&&process!==null&&process.hrtime){module.exports=function(){return(getNanoSeconds()-loadTime)/1e6};hrtime=process.hrtime;getNanoSeconds=function(){var hr;hr=hrtime();return hr[0]*1e9+hr[1]};loadTime=getNanoSeconds()}else if(Date.now){module.exports=function(){return Date.now()-loadTime};loadTime=Date.now()}else{module.exports=function(){return(new Date).getTime()-loadTime};loadTime=(new Date).getTime()}}).call(this)}).call(this,require("_process"))},{_process:1}],"main-loop":[function(require,module,exports){var raf=require("raf");var TypedError=require("error/typed");var InvalidUpdateInRender=TypedError({type:"main-loop.invalid.update.in-render",message:"main-loop: Unexpected update occurred in loop.\n"+"We are currently rendering a view, "+"you can't change state right now.\n"+"The diff is: {stringDiff}.\n"+"SUGGESTED FIX: find the state mutation in your view "+"or rendering function and remove it.\n"+"The view should not have any side effects.\n",diff:null,stringDiff:null});module.exports=main;function main(initialState,view,opts){opts=opts||{};var currentState=initialState;var create=opts.create;var diff=opts.diff;var patch=opts.patch;var redrawScheduled=false;var tree=opts.initialTree||view(currentState);var target=opts.target||create(tree,opts);var inRenderingTransaction=false;currentState=null;var loop={state:initialState,target:target,update:update};return loop;function update(state){if(inRenderingTransaction){throw InvalidUpdateInRender({diff:state._diff,stringDiff:JSON.stringify(state._diff)})}if(currentState===null&&!redrawScheduled){redrawScheduled=true;raf(redraw)}currentState=state;loop.state=state}function redraw(){redrawScheduled=false;if(currentState===null){return}inRenderingTransaction=true;var newTree=view(currentState);if(opts.createOnly){inRenderingTransaction=false;create(newTree,opts)}else{var patches=diff(tree,newTree,opts);inRenderingTransaction=false;target=patch(target,patches,opts)}tree=newTree;currentState=null}}},{"error/typed":5,raf:6}]},{},[]);var mainLoop=require("main-loop");var h=require("virtual-dom/h");var state={items:[]};function renderItem(item){var listItem=h("li.item",{key:item.color,style:{"background-color":item.color},onclick:function(ev){removeItem(item.color)}},String(item.content));listItem.transition=500;return listItem}function render(state){return h("div",[h("section.list.swing",[h("button",{onclick:addItem},"Add a list item"),h("ul",state.items.map(function(item){return renderItem(item)}))])])}function addItem(){state.items.push({content:"List item",color:getRandomColor()});loop.update(state)}function removeItem(color){state.items.forEach(function(item,i){if(item.color===color)state.items.splice(i,1)});loop.update(state)}function getRandomColor(){var letters="0123456789ABCDEF".split("");var color="#";for(var i=0;i<6;i++){color+=letters[Math.floor(Math.random()*16)]}return color}var loop=mainLoop(state,render,{create:require("virtual-dom/create-element"),diff:require("virtual-dom/diff"),patch:require("virtual-dom-transition")});document.body.appendChild(loop.target);for(var i=0;i<3;i++)addItem()},0);
Raw
package.json
{
"name": "virtual-dom-transition-example",
"version": "1.0.0",
"dependencies": {
"virtual-dom": "2.1.1",
"virtual-dom-transition": "2.1.3",
"main-loop": "3.2.0"
}
}
Raw
page-body.html
<div style="position:absolute;bottom:50px;right:50px">Styles ripped from <a href="https://cssanimation.rocks/list-items/">https://cssanimation.rocks/list-items/</a></div>
Raw
page-head.html
<style>
html {
font-size: 62.5%
}
body {
font-family: "Open Sans",Helvetica,Arial,sans-serif;
font-weight: 300;
font-size: 1.8em;
line-height: 1.8;
color: #2E2729;
-webkit-text-size-adjust: 100%;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
font-smoothing: antialiased;
}
a {
color: #1EAEDB
}
a:hover {
color: #0FA0CE
}
button {
display: inline-block;
height: 38px;
padding: 0 30px;
color: #555;
text-align: center;
font-size: 11px;
font-weight: 600;
line-height: 38px;
letter-spacing: .1rem;
text-transform: uppercase;
text-decoration: none;
white-space: nowrap;
background-color: transparent;
border-radius: 4px;
border: 1px solid #bbb;
cursor: pointer;
box-sizing: border-box;
margin-bottom: 1rem
}
button:hover {
color: #333;
border-color: #888;
outline: 0
}
ul {
list-style: circle inside;
padding-left: 0;
margin-top: 0
}
.list {
background: #fff;
border-radius: 0.5em;
padding: 1em 1em;
display: inline-block;
width: auto
}
.list li {
list-style: none;
background: #d1703c;
border-bottom: 2px solid #fff;
color: #fff;
height: 2em;
padding: 0 0.5em;
margin: 0;
overflow: hidden;
line-height: 2em;
width: 10em
}
.list li:hover {
cursor: crosshair
}
.list.swing {
-webkit-perspective: 100px;
perspective: 100px
}
.list.swing li.enter,
.list.swing li.leave {
height: 0;
border-width: 0;
opacity: 0;
-webkit-transform: rotateX(-90deg);
transform: rotateX(-90deg);
}
.list.swing li {
opacity: 1;
-webkit-transform: none;
transform: none;
transition: all 0.5s cubic-bezier(0.36,-0.64,0.34,1.76)
}
</style>
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