espresso.min.js

!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.Espresso=e()}}(function(){var define,module,exports;return 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 slice=Array.prototype.slice;var splice=Array.prototype.splice;var noop=function(){};var isUndefined=function(arg){return arg===void 0};var isFunction=function(x){return typeof x==="function"};var isNumber=function(x){return typeof x==="number"};var isObject=function(x){return typeof x==="object"&&x!==null};var isString=function(x){return typeof x==="string"};var isNode=function(x){return x&&x.nodeType>0};var isArray=Array.isArray;var toObject=function(key,val){var x={};x[key]=val;return x};var assign=function(o){for(var i=1,a=arguments,len=a.length;i<len;i++){for(var prop in a[i])if(a[i].hasOwnProperty(prop))o[prop]=a[i][prop]}return o};var extend=function(parentClass,props){var child=function(){this.constructor.apply(this,arguments)};child.extend=function(props){return extend(this,props)};child.prototype=Object.create(parentClass.prototype);if(props)assign.apply(this,[child.prototype].concat(slice.call(arguments,1)));return child};var isEqual=function(a,b){if(a===b)return true;if(a===null||typeof a!=="object"||b===null||typeof b!=="object")return false;var len=0,prop;for(prop in a)if(!isEqual(a[prop],b[prop]))return false;else len++;for(prop in b)len--;return 0===len};var getView=function(name){var cache=window._view_cache||(window._view_cache={});var view=cache[name]||(cache[name]=document.getElementById(name).children[0]);return view.cloneNode(true)};var EventEmitter={addListener:function(name,fn){var listeners=this._listeners||(this._listeners={});var handlers=listeners[name]||(listeners[name]=[]);handlers.push(fn)},removeListener:function(name,fn){var listeners=(this._listeners||{})[name];if(listeners)listeners.splice(listeners.indexOf(fn),1)},emit:function(name){var listeners=(this._listeners||{})[name];if(listeners){var args=slice.call(arguments,1);listeners.forEach(function(h){h.apply(this,args)}.bind(this))}}};var Model=extend(Object,EventEmitter,{defaults:{},constructor:function(attr){assign(this,attr||{});this.init(attr)},init:noop,set:function(key,value){var attr=arguments.length<2?key:toObject(key,value);if(!this.isEqual(attr)){assign(this,attr);this.emit("change",this)}return this},isEqual:function(attr){for(var key in attr){if(!isEqual(attr[key],this[key]))return false}return true},get:function(attr){return this[attr]||this.defaults[attr]},toObject:function(){return assign({},this)}});var Collection=extend(Object,EventEmitter,{idAttribute:"id",constructor:function(items){this.reset(items);this.init()},init:noop,count:function(){return this.items.length},reset:function(items){this.items=isArray(items)?items.slice(0):[];this.emit("change")},_setAll:function(items,key){if(this.items.length<1)return this.reset(items);var PK=key||this.idAttribute;var prevItems=this.items;var id,len,item,newIDs={},i=0;items.forEach(function(x,i){newIDs[x[PK]]=i});while(i<prevItems.length){id=prevItems[i][PK];if(newIDs.hasOwnProperty(id))i++;else this.splice(i,1)}for(i=0,len=items.length;i<len;i++){item=prevItems[i];id=items[i][PK];if(item&&item[PK]===id){this.set(i,items[i])}else{for(var j=i+1,len2=prevItems.length;j<len2;j++){if(prevItems[i][PK]===id)this.splice(j,1)}this.splice(i,0,items[i])}}return this},get:function(index){return isObject(index)?this.find(index):this.items[index]},set:function(index,value){if(index instanceof Collection)index=index.toArray();if(isArray(index))return this._setAll(index,value);if(isUndefined(value)&&isObject(index)){var i=this.findIndex(toObject(this.idAttribute,index[this.idAttribute]));if(i<0)return;value=assign({},this.items[i],index);index=i}if(isEqual(this.items[index],value))return;this.items[index]=value;this.emit("change",{updated:value,index:index});return this},push:function(obj){for(var i=0,len=arguments.length;i<len;i++){this.splice(this.items.length,0,arguments[i])}return this.items.length},remove:function(index){if(isObject(index))index=this.findIndex(index);this.splice(index,1)},find:function(x,y,z){return this.get(this.findIndex.call(this,x,y,z))},findIndex:function(attr){var items=this.items,isEqual=Model.prototype.isEqual,id;if(this.idAttribute in attr)id=this.idAttribute;for(var i=0,len=items.length;i<len;i++){if(id){if(attr[id]===items[i][id])return i}else if(isEqual.call(attr,items[i]))return i}return-1},splice:function(index){var removed=splice.apply(this.items,arguments);var added=slice.call(arguments,2);this.emit("change",{added:added,removed:removed,index:index});return removed},toArray:function(){return this.items},indexOf:function(x){return this.items.indexOf(x)},forEach:function(fn){return this.items.forEach(fn)},map:function(fn){return this.items.map(fn)},filter:function(fn){return this.items.filter(fn)}});var Controller=extend(Object,EventEmitter,{refAttribute:"data-ref",constructor:function(options){assign(this,options||{});this.model=this.model instanceof Model?this.model:new Model(this.model);this.render=this._wrap(this.render).bind(this);this.setView=this.setView.bind(this);if(this.view)this.setView(this.view)},init:noop,render:noop,setView:function(view){if(isString(view))view=getView(view);this.view=view;this._refs();this.init();this.render();this.listenTo(this.model,"change",this.render)},_refs:function(){var refs=this.view.querySelectorAll("["+this.refAttribute+"]");var ref=this.ref={};for(var i=0,len=refs.length;i<len;i++){ref[refs[i].getAttribute(this.refAttribute)]=refs[i]}ref.view=this.view},set:function(attrs){this.model.set(attrs);return this},listenTo:function(obj,eventName,fn){this._listenTo=this._listenTo||[];var on=obj.addEventListener||obj.addListener||obj.on;if(!isFunction(on))throw"Can't listen to this object!";fn=fn.bind(this);on.call(obj,eventName,fn,false);this._listenTo.push([obj,eventName,fn]);return this},stopListening:function(obj,eventName){(this._listenTo||[]).forEach(function(x){if(!isUndefined(obj)&&obj!==x[0])return;if(!isUndefined(eventName)&&eventName!==x[1])return;var removeListener=x[0].removeEventListener||x[0].removeListener||x[0].off;removeListener.call(x[0],x[1],x[2])}.bind(this))},remove:function(node){this.stopListening();(this._includes||[]).forEach(function(x){x.remove()});if(node===false)return;if(this.view.parentNode)this.view.parentNode.removeChild(this.view)},include:function(controller,node){this._includes=this._includes||[];this._includes.push(controller);if(node)controller.setView(node);return controller},setAttribute:function(node,attr,value){if(isUndefined(value))value="";if(attr==="text")node.textContent=value;else if(attr==="html")node.innerHTML=value;else if(attr==="display")node.style.display=value?"":"none";else if(attr==="classList"){for(var className in value){if(value[className])node.classList.add(className);else node.classList.remove(className)}}else if(attr.substr(0,2)==="on"){var eventName=attr.substr(2).toLowerCase();this.listenTo(node,eventName,function(fn,e){if(fn.call(this,e)===false&&e.preventDefault)e.preventDefault()}.bind(this,value))}else if(attr in node)node[attr]=value;else node.setAttribute(attr,value)},_wrap:function(fn){return function(){var set=this.setAttribute,refs=this.ref,include=this.include;var prev=this.DOM||{};var next=this.DOM=fn.call(this);if(!isObject(next)||next===this)return;for(var ref in next){var node=refs[ref];if(isUndefined(node))throw"Invalid data-ref name specified";var nextNode=next[ref],prevNode=prev[ref]||{};if(nextNode instanceof Controller){if(nextNode!==prevNode)include(nextNode,node);continue}for(var attr in nextNode){var value=nextNode[attr];if(value!==prevNode[attr])set.call(this,node,attr,value)}}return next}}});var List=extend(Controller,{constructor:function(controller,collection){this.controller=controller;this.collection=Array.isArray(collection||[])?new Collection(collection):collection;this.controllers=[]},controller:function(){throw"No controller generator specified!"},setView:function(view){this.view=view;if(isFunction(this.controller.prototype.remove)){this.controller=function(Controller,view,model){return new Controller({view:view.cloneNode(true),model:model})}.bind(this,this.controller,this.view.children[0].cloneNode(true))}this.init();this.render();this.listenTo(this.collection,"change",this.onChange)},set:function(items){this.collection.set(items);return this},reset:function(items){this.collection.reset(items);return this},remove:function(){this.stopListening();this.controllers.forEach(this.onRemove)},onAdd:function(view,controller,index){view.insertBefore(controller.view,view.childNodes[index])},onUpdate:function(controller,model){controller.set(model)},onRemove:function(controller){controller.remove()},onChange:function(e){if(isUndefined(e)||isUndefined(e.index))return this.render();if(e.updated)return this.onUpdate(this.controllers[e.index],e.updated);var added=e.added.map(this.controller);var removed=splice.apply(this.controllers,[].concat(e.index,e.removed.length,added));removed.forEach(this.onRemove);for(var i=0,len=added.length;i<len;i++){this.onAdd(this.view,added[i],e.index+i)}},render:function(){var view=document.createDocumentFragment();var oldControllers=this.controllers;this.controllers=this.collection.map(this.controller);this.controllers.forEach(this.onAdd.bind(this,view));this.view.innerHTML="";this.view.appendChild(view);oldControllers.forEach(this.onRemove)}});module.exports={EventEmitter:EventEmitter,Model:Model,Collection:Collection,Controller:Controller,List:List,assign:assign,extend:extend,isEqual:isEqual}},{}]},{},[1])(1)});