ractive/release/0.1.9/Ractive.runtime.min.js

Next-generation DOM manipulation

(function(t){"use strict";var e;(function(){var t;return e=function(n){var i,r;if(n)for(r in n)n.hasOwnProperty(r)&&(this[r]=n[r]);i={preserveWhitespace:!1,append:!1,twoway:!0,formatters:{},modifyArrays:!0};for(r in i)i.hasOwnProperty(r)&&void 0===this[r]&&(this[r]=i[r]);if(void 0!==this.el&&(this.el=t(this.el)),this._subs={},this.deferredAttributes=[],void 0===this.viewmodel&&(this.viewmodel=new e.ViewModel),this.viewmodel.dependents.push(this),this.data&&this.viewmodel.set(this.data),this.partials)for(r in this.partials)if(this.partials.hasOwnProperty(r)&&"string"==typeof this.partials[r]){if(!e.compile)throw Error('Missing Ractive.compile - cannot compile partial "'+r+'". Either precompile or use the version that includes the compiler');this.partials[r]=e.compile(this.partials[r],this)}if("string"==typeof this.template){if(!e.compile)throw Error("Missing Ractive.compile - cannot compile template. 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t;for(r=n.length,i=0;r>i;i+=1)o=n[i],s=o.name,a=o.args||[],h=this.formatters[s]||e.formatters[s],h&&(t=h.apply(this,[t].concat(a)));return t}},t=function(t){var e,n;if("undefined"!=typeof window){if(n=window.document,!t)throw Error("No container element specified");if(t.tagName)return t;if("string"==typeof t&&(e=n.getElementById(t),!e&&n.querySelector&&(e=n.querySelector(t)),e.tagName))return e;if(t[0]&&t[0].tagName)return t[0];throw Error("Could not find container element")}},e})();var n;(function(){n={isArray:function(t){return"[object Array]"===Object.prototype.toString.call(t)},isObject:function(t){return"[object Object]"===Object.prototype.toString.call(t)&&"function"!=typeof t},isNumeric:function(t){return!isNaN(parseFloat(t))&&isFinite(t)}}})(),n.types={TEXT:1,INTERPOLATOR:2,TRIPLE:3,SECTION:4,INVERTED:5,CLOSING:6,ELEMENT:7,PARTIAL:8,COMMENT:9,DELIMCHANGE:10,MUSTACHE:11,TAG:12,ATTR_VALUE_TOKEN:13},function(t){t._Mustache=function(t){this.root=t.root,this.model=t.model,this.viewmodel=t.root.viewmodel,this.parent=t.parent,this.parentFragment=t.parentFragment,this.contextStack=t.contextStack||[],this.index=t.index||0,(t.parentNode||t.anchor)&&(this.parentNode=t.parentNode,this.anchor=t.anchor),this.type=t.model.type,this.viewmodel.registerView(this),!this.keypath&&this.model.inv&&this.update(!1)},t._Fragment=function(t){var e,n,i,r,o;if(this.parent=t.parent,this.index=t.index,this.items=[],this.indexRefs={},this.parent&&this.parent.parentFragment){r=this.parent.parentFragment.indexRefs;for(o in 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r?r.call(this,t):r},update:function(t){var e;if(t)this._notifyObservers(t,this.get(t));else for(e in this.data)this.data.hasOwnProperty(e)&&this._notifyObservers(e,this.get(e))},registerView:function(t){var e,n,i,r,o=this;return t.parentFragment&&t.parentFragment.indexRefs.hasOwnProperty(t.model.ref)?(r=t.parentFragment.indexRefs[t.model.ref],i=t.model.fmtrs?t.root._format(r,t.model.fmtrs):r,t.update(i),void 0):(n=function(e,n){t.keypath=e,t.observerRefs=o.observe({keypath:e,priority:t.model.p||0,view:t}),t.model.fmtrs&&(n=t.root._format(n,t.model.fmtrs)),t.update(n)},e=this.resolveRef(t.model.ref,t.contextStack),e?n(e.keypath,e.value):(t.model.fmtrs&&t.update(t.root._format(void 0,t.model.fmtrs)),this.registerUnresolvedKeypath({view:t,callback:n})),void 0)},resolveRef:function(t,e){var n,i,r;if("."===t)return i=e[e.length-1],r=this.get(i),{keypath:i,value:r};for(e=e.concat();e.length;)if(n=e.pop(),i=n+"."+t,r=this.get(i),void 0!==r)return{keypath:i,value:r};return r=this.get(t),void 0!==r?{keypath:t,value:r}:void 0},registerUnresolvedKeypath:function(t){this.pendingResolution[this.pendingResolution.length]=t},_notifyObservers:function(t,e){var n,i,r,o,s,a=this,h=this.observers[t]||[];for(n=0;h.length>n;n+=1)if(r=h[n])for(i=0;r.length>i;i+=1)o=r[i],s=t!==o.originalAddress?a.get(o.originalAddress):e,o.view.model.fmtrs&&(s=o.view.root._format(s,o.view.model.fmtrs)),o.view.update(s)},observe:function(t){var e,n,i=this,r=t.keypath,o=t.priority,s=[];if(2===arguments.length&&"string"==typeof arguments[0]&&"function"==typeof arguments[1])return this.observe({keypath:arguments[0],callback:arguments[1],priority:0});if(!t.keypath)return void 0;for(n=function(e){var n,a;n=i.observers[e]=i.observers[e]||[],n=n[o]=n[o]||[],a={originalAddress:r},t.view&&(a.view=t.view),t.callback&&(a.callback=t.callback),n[n.length]=a,s[s.length]={keypath:e,priority:o,observer:a}},e=t.keypath;-1!==e.lastIndexOf(".");)n(e),e=e.substr(0,e.lastIndexOf("."));return n(e),s},unobserve:function(t){var e,n,i,r,o;if(e=this.observers[t.keypath],e&&(n=e[t.priority])){if(n.indexOf)i=n.indexOf(t.observer);else for(r=0,o=n.length;o>r;r+=1)if(n[r]===t.observer){i=r;break}-1!==i&&(n.splice(i,1),0===n.length&&delete e[t.priority],0===e.length&&delete this.observers[t.keypath])}},unobserveAll:function(t){for(;t.length;)this.unobserve(t.shift())}},t.ViewModel.prototype.cancelKeypathResolution=Array.prototype.filter?function(t){this.pendingResolution=this.pendingResolution.filter(function(e){return e.view!==t})}:function(t){var e,n=[];for(e=0;this.pendingResolution.length>e;e+=1)this.pendingResolution[e].view!==t&&(n[n.length]=this.pendingResolution[e]);this.pendingResolution=n},n=/\[\s*([0-9]+)\s*\]/g,e=function(t){var e;return e=t.replace(n,".$1"),e.split(".")}}(e),function(t,e){var n,i,r,o,s,a,h,d,u,p,c;n=e.types,o={"accept-charset":"acceptCharset",accesskey:"accessKey",bgcolor:"bgColor","class":"className",codebase:"codeBase",colspan:"colSpan",contenteditable:"contentEditable",datetime:"dateTime",dirname:"dirName","for":"htmlFor","http-equiv":"httpEquiv",ismap:"isMap",maxlength:"maxLength",novalidate:"noValidate",pubdate:"pubDate",readonly:"readOnly",rowspan:"rowSpan",tabindex:"tabIndex",usemap:"useMap"},r="undefined"!=typeof window?window.document:null,i=function(t,e){var n,i=[];for(n=r.createElement("div"),n.innerHTML=t;n.firstChild;)i[i.length]=n.firstChild,e.appendChild(n.firstChild);return i},e.DomFragment=function(t){return this.docFrag=r.createDocumentFragment(),"string"==typeof t.model?(this.nodes=i(t.model,this.docFrag),void 0):(e._Fragment.call(this,t),void 0)},e.DomFragment.prototype={createItem:function(t){if("string"==typeof t.model)return new s(t,this.docFrag);switch(t.model.type){case n.INTERPOLATOR:return new u(t,this.docFrag);case n.SECTION:return new c(t,this.docFrag);case n.TRIPLE:return new p(t,this.docFrag);case n.ELEMENT:return new a(t,this.docFrag);case n.PARTIAL:return new h(t,this.docFrag);default:throw"WTF? not sure what happened here..."}},teardown:function(){var t;if(this.nodes)for(;this.nodes.length;)t=this.nodes.pop(),t.parentNode.removeChild(t);else for(;this.items.length;)this.items.pop().teardown()},firstNode:function(){return this.items[0]?this.items[0].firstNode():null},findNextNode:function(t){var e=t.index;return this.items[e+1]?this.items[e+1].firstNode():null}},h=function(t,n){this.fragment=new e.DomFragment({model:t.root.partials[t.model.ref]||[],root:t.root,parentNode:t.parentNode,contextStack:t.contextStack,parent:this}),n.appendChild(this.fragment.docFrag)},h.prototype={teardown:function(){this.fragment.teardown()}},s=function(t,e){this.node=r.createTextNode(t.model),this.root=t.root,this.parentNode=t.parentNode,e.appendChild(this.node)},s.prototype={teardown:function(){this.root.el.contains(this.node)&&this.parentNode.removeChild(this.node)},firstNode:function(){return this.node}},a=function(t,n){var i,o,s,a,h,u,p;if(i=this.model=t.model,this.root=t.root,this.viewmodel=t.root.viewmodel,this.parentFragment=t.parentFragment,this.parentNode=t.parentNode,this.index=t.index,i.attrs&&i.attrs.xmlns){if(o=i.attrs.xmlns,"string"!=typeof o)throw"Namespace attribute cannot contain mustaches"}else o=this.parentNode.namespaceURI;this.node=r.createElementNS(o,i.tag),i.frag&&("string"==typeof i.frag?this.node.innerHTML=i.frag:(this.children=new e.DomFragment({model:i.frag,root:t.root,parentNode:this.node,contextStack:t.contextStack,parent:this}),this.node.appendChild(this.children.docFrag))),this.attributes=[],u=[];for(a in i.attrs)i.attrs.hasOwnProperty(a)&&(h=i.attrs[a],s=new d({parent:this,name:a,value:void 0===h?null:h,root:t.root,parentNode:this.node,contextStack:t.contextStack}),this.attributes[this.attributes.length]=s,s.isBindable&&u.push(s),s.isTwowayNameAttr?p=s:s.update());for(;u.length;)u.pop().bind(this.root.lazy);p&&(p.updateViewModel(),p.update()),n.appendChild(this.node)},a.prototype={teardown:function(){for(this.root.el.contains(this.node)&&this.parentNode.removeChild(this.node),this.children&&this.children.teardown();this.attributes.length;)this.attributes.pop().teardown()},firstNode:function(){return this.node}},d=function(t){var n,i,r,s,a,h,d,u;if(n=t.name,i=t.value,this.parent=t.parent,r=n.indexOf(":"),-1!==r&&(s=n.substr(0,r),"xmlns"!==s&&(n=n.substring(r+1),this.namespace=e.namespaces[s],!this.namespace)))throw'Unknown namespace ("'+s+'")';return null===i||"string"==typeof i?(this.namespace?t.parentNode.setAttributeNS(this.namespace,n,i):t.parentNode.setAttribute(n,i),void 0):(this.root=t.root,this.parentNode=t.parentNode,this.name=n,this.children=[],this.namespace||t.parentNode.namespaceURI!==e.namespaces.html||(d=this.name.toLowerCase(),u=o[d]?o[d]:d,void 0!==t.parentNode[u]&&(this.propertyName=u),("boolean"==typeof t.parentNode[u]||"value"===u)&&(this.useProperty=!0)),this.parentFragment=this.parent.parentFragment,this.fragment=new e.TextFragment({model:i,root:this.root,parent:this,contextStack:t.contextStack}),1===this.fragment.items.length&&(this.selfUpdating=!0),this.root.twoway&&(a=this.parent.model.tag.toLowerCase(),h=!("name"!==u&&"value"!==u&&"checked"!==u||"input"!==a&&"textarea"!==a&&"select"!==a)),h&&(this.isBindable=!0,"name"===u&&(this.isTwowayNameAttr=!0)),this.ready=!0,this.isTwowayNameAttr||this.update(),void 0)},d.prototype={bind:function(t){var n,i=this,r=this.root.viewmodel,o=this.parentNode;if(!this.fragment)return!1;if(1!==this.fragment.items.length||this.fragment.items[0].type!==e.types.INTERPOLATOR)throw"Not a valid two-way data binding candidate - must be a single 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t;t=i.interpolator.model.fmtrs?i.root._format(o.value,i.interpolator.model.fmtrs):o.value,"0"===t?t=0:""!==t&&(t=+t||t),r.set(n,t)},this.updateViewModel&&(this.twoway=!0,o.addEventListener("change",this.updateViewModel),o.addEventListener("click",this.updateViewModel),o.addEventListener("blur",this.updateViewModel),t||(o.addEventListener("keyup",this.updateViewModel),o.addEventListener("keydown",this.updateViewModel),o.addEventListener("keypress",this.updateViewModel),o.addEventListener("input",this.updateViewModel)))},teardown:function(){if(this.updateViewModel&&(this.node.removeEventListener("change",this.updateViewModel),this.node.removeEventListener("click",this.updateViewModel),this.node.removeEventListener("blur",this.updateViewModel),this.node.removeEventListener("keyup",this.updateViewModel),this.node.removeEventListener("keydown",this.updateViewModel),this.node.removeEventListener("keypress",this.updateViewModel),this.node.removeEventListener("input",this.updateViewModel)),this.children)for(;this.children.length;)this.children.pop().teardown()},bubble:function(){this.selfUpdating?this.update():this.updateDeferred||(this.root.deferredAttributes[this.root.deferredAttributes.length]=this,this.updateDeferred=!0)},update:function(){var t,e;if(!this.ready)return this;if(this.twoway){if(e=this.name.toLowerCase(),this.value=this.interpolator.value,"name"===e&&("checkbox"===this.parentNode.type||"radio"===this.parentNode.type))return this.parentNode.checked=this.value===this.parentNode.value?!0:!1,this;if(r.activeElement===this.parentNode)return this}return t=this.fragment.getValue(),void 0===t&&(t=""),this.useProperty?(this.parentNode[this.propertyName]=t,this):this.namespace?(this.parentNode.setAttributeNS(this.namespace,this.name,t),this):(this.parentNode.setAttribute(this.name,t),this)}},u=function(t,n){this.node=r.createTextNode(""),n.appendChild(this.node),e._Mustache.call(this,t)},u.prototype={teardown:function(){this.observerRefs?this.viewmodel.unobserveAll(this.observerRefs):this.viewmodel.cancelKeypathResolution(this),this.root.el.contains(this.node)&&this.parentNode.removeChild(this.node)},update:function(t){t!==this.text&&(this.text=t,this.node.data=t)},firstNode:function(){return this.node}},p=function(t,n){this.nodes=[],this.docFrag=r.createDocumentFragment(),this.initialising=!0,e._Mustache.call(this,t),n.appendChild(this.docFrag),this.initialising=!1},p.prototype={teardown:function(){if(this.root.el.contains(this.parentNode))for(;this.nodes.length;)this.parentNode.removeChild(this.nodes.pop());this.observerRefs?this.viewmodel.unobserveAll(this.observerRefs):this.viewmodel.cancelKeypathResolution(this)},firstNode:function(){return this.nodes[0]?this.nodes[0]:this.parentFragment.findNextNode(this)},update:function(t){if(t!==this.html){for(this.html=t;this.nodes.length;)this.parentNode.removeChild(this.nodes.pop());this.nodes=i(t,this.docFrag),this.initialising||this.parentNode.insertBefore(this.docFrag,this.parentFragment.findNextNode(this))}}},c=function(t,n){this.fragments=[],this.length=0,this.docFrag=r.createDocumentFragment(),this.initialising=!0,e._Mustache.call(this,t),n.appendChild(this.docFrag),this.initialising=!1},c.prototype={teardown:function(){this.unrender(),this.observerRefs?this.viewmodel.unobserveAll(this.observerRefs):this.viewmodel.cancelKeypathResolution(this)},firstNode:function(){return this.fragments[0]?this.fragments[0].firstNode():this.parentFragment.findNextNode(this)},findNextNode:function(t){return 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