ractive/release/0.1.8/Ractive.runtime.min.js

Next-generation DOM manipulation

(function(t){"use strict";var e=function(){var t,e;return t=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=e(this.el)),this._subs={},void 0===this.viewmodel&&(this.viewmodel=new t.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(!t.compile)throw Error('Missing Ractive.compile - cannot compile partial "'+r+'". Either precompile or use the version that includes the compiler');this.partials[r]=t.compile(this.partials[r],this)}if("string"==typeof this.template){if(!t.compile)throw Error("Missing Ractive.compile - cannot compile template. Either precompile or use the version that includes the compiler");this.template=t.compile(this.template,this)}this.el&&this.render({el:this.el,callback:this.callback,append:this.append})},t.prototype={render:function(n){var i=n.el?e(n.el):this.el;if(!i)throw Error("You must specify a DOM element to render to");n.append||(i.innerHTML=""),n.callback&&(this.callback=n.callback),this.rendered=new t.DomFragment({model:this.template,root:this,parentNode:i}),i.appendChild(this.rendered.docFrag)},teardown:function(){this.rendered.teardown()},set:function(){return this.viewmodel.set.apply(this.viewmodel,arguments),this},get:function(){return this.viewmodel.get.apply(this.viewmodel,arguments)},update:function(){return this.viewmodel.update.apply(this.viewmodel,arguments),this},_format:function(e,n){var i,r,o,s,a,h;if(!n)return e;for(r=n.length,i=0;r>i;i+=1)o=n[i],s=o.name,a=o.args||[],h=this.formatters[s]||t.formatters[s],h&&(e=h.apply(this,[e].concat(a)));return e}},e=function(t){var 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e,n,i,r;i=function(t){return"[object Array]"===Object.prototype.toString.call(t)},r=function(t){return"[object Object]"===Object.prototype.toString.call(t)&&"function"!=typeof t},t.ViewModel=function(t){this.data=t||{},this.pendingResolution=[],this.observers={},this.dependents=[]},t.ViewModel.prototype={set:function(t,n){var o,s,a,h,d,u,c,p;if(r(t))for(o in t)t.hasOwnProperty(o)&&this.set(o,t[o]);else{for(this.dependents.forEach(function(e){e.setting||(e.setting=!0,e.fire("set",t,n),e.fire("set:"+t,n),e.setting=!1)}),s=i(t)?t.concat():e(t),p=s.join("."),h=this.data;s.length>1;)a=s.shift(),h[a]||(h[a]=/^[0-9]+$/.test(s[0])?[]:{}),h=h[a];for(a=s[0],h[a]=n,this._notifyObservers(p,n),d=this.pendingResolution.length;d--;)u=this.pendingResolution.splice(d,1)[0],c=this.resolveRef(u.view.model.ref,u.view.contextStack),c?u.callback(c.keypath,c.value):this.registerUnresolvedKeypath(u)}},get:function(t){var n,r;if(!t)return void 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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){var e,n,i,r,o,s,a,h,d,u;e=t.types,i="undefined"!=typeof window?window.document:null,n=function(t,e){var n,r=[];for(n=i.createElement("div"),n.innerHTML=t;n.firstChild;)r[r.length]=n.firstChild,e.appendChild(n.firstChild);return r},t.DomFragment=function(e){return this.docFrag=i.createDocumentFragment(),"string"==typeof e.model?(this.nodes=n(e.model,this.docFrag),void 0):(t._Fragment.call(this,e),void 0)},t.DomFragment.prototype={createItem:function(t){if("string"==typeof t.model)return new r(t,this.docFrag);switch(t.model.type){case e.INTERPOLATOR:return new h(t,this.docFrag);case e.SECTION:return new u(t,this.docFrag);case e.TRIPLE:return new d(t,this.docFrag);case e.ELEMENT:return new o(t,this.docFrag);case e.PARTIAL:return new s(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}},s=function(e,n){this.fragment=new t.DomFragment({model:e.root.partials[e.model.ref]||[],root:e.root,parentNode:e.parentNode,contextStack:e.contextStack,parent:this}),n.appendChild(this.fragment.docFrag)},s.prototype={teardown:function(){this.fragment.teardown()}},r=function(t,e){this.node=i.createTextNode(t.model),this.root=t.root,this.parentNode=t.parentNode,e.appendChild(this.node)},r.prototype={teardown:function(){this.root.el.contains(this.node)&&this.parentNode.removeChild(this.node)},firstNode:function(){return this.node}},o=function(e,n){var r,o,s,h,d,u;if(r=this.model=e.model,this.root=e.root,this.viewmodel=e.root.viewmodel,this.parentFragment=e.parentFragment,this.parentNode=e.parentNode,this.index=e.index,r.attrs&&r.attrs.xmlns){if(o=r.attrs.xmlns,"string"!=typeof o)throw"Namespace attribute cannot contain mustaches"}else o=this.parentNode.namespaceURI;this.node=i.createElementNS(o,r.tag),r.frag&&("string"==typeof r.frag?this.node.innerHTML=r.frag:(this.children=new t.DomFragment({model:r.frag,root:e.root,parentNode:this.node,contextStack:e.contextStack,parent:this}),this.node.appendChild(this.children.docFrag))),this.attributes=[];for(h in r.attrs)r.attrs.hasOwnProperty(h)&&(d=r.attrs[h],s=new a({parent:this,name:h,value:void 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t;t=r.interpolator.model.fmtrs?r.root._format(s.value,r.interpolator.model.fmtrs):s.value,"0"===t?t=0:""!==t&&(t=+t||t),o.set(i,t)},this.updateViewModel&&(this.twoway=!0,s.addEventListener("change",this.updateViewModel),s.addEventListener("click",this.updateViewModel),s.addEventListener("blur",this.updateViewModel),n||(s.addEventListener("keyup",this.updateViewModel),s.addEventListener("keydown",this.updateViewModel),s.addEventListener("keypress",this.updateViewModel),s.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.update()},update:function(){var t,e;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,void 0;if("value"===e&&i.activeElement===this.parentNode)return;return void 0===this.value&&(this.value=""),this.parentNode[e]=this.value,void 0}this.ready&&(t=this.value,this.value=""+this.fragment,this.value!==t&&(this.namespace?this.parentNode.setAttributeNS(this.namespace,this.name,this.value):this.parentNode.setAttribute(this.name,this.value)))}},h=function(e,n){this.node=i.createTextNode(""),n.appendChild(this.node),t._Mustache.call(this,e)},h.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 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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=n(t,this.docFrag),this.initialising||this.parentNode.insertBefore(this.docFrag,this.parentFragment.findNextNode(this))}}},u=function(e,n){this.fragments=[],this.length=0,this.docFrag=i.createDocumentFragment(),this.initialising=!0,t._Mustache.call(this,e),n.appendChild(this.docFrag),this.initialising=!1},u.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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