haiku.min.js

define([],function(){"use strict";var _tagRex=/^[a-z]+[1-6]?/i,_posRex=/[><\+]/g,_idRex=/#[_a-z]+[_a-z0-9-]*/i,_classRex=/\.-?[_a-z]+[_a-z0-9-]*/gi,_textRex=/{[^}]+}/,_attrsRex=/\[[^\]]*\]/;var _templateMap={};var _conditionalsMaps={};function _supplant(str,args,defaultVal){if(str.indexOf("%self")>-1&&args){str=str.replace(/%self/g,args.toString())}return str.replace(/\$([^$]*);/g,function(a,b){var r=args[b];if(_isNullOrUndef(r))r=defaultVal;var rtype=typeof r;return rtype==="string"||rtype==="number"?r:"("+rtype+")"})}function _mixin(intoObj,fromObj){for(var k in fromObj){if(fromObj.hasOwnProperty(k)){if(fromObj[k]!==undefined)intoObj[k]=fromObj[k]}}return intoObj}function toArray(arraylike){return arraylike&&[].slice.call(arraylike)}function _each(arraylike,fn){if(arraylike&&fn)[].forEach.call(arraylike,fn)}function _filter(arraylike,fn){return arraylike&&fn?[].filter.call(arraylike,fn):null}function _map(arraylike,fn){return arraylike&&fn?[].map.call(arraylike,fn):null}function _arrayDiff(input,blacklist){var A=Array.isArray(input)?input:toArray(input);var B=Array.isArray(blacklist)?blacklist:toArray(blacklist);return A.filter(function(value){return B.indexOf(value)==-1})}function _setNodeValue(node,value){if(!node)return new Error("setNodeValue :: No node specified.");switch(node.tagName){case"INPUT":case"TEXTAREA":case"SELECT":if(node.type==="checkbox"||node.type==="radio"){node.checked=value}else{node.value=value}break;default:node.textContent=value;break}}function _escapeControlChars(str){var working=str.replace(/\+/gi,"__PLUS__");working=working.replace(/\{/gi,"__OPENBRACE__");working=working.replace(/\}/gi,"__CLOSEBRACE__");return working.replace(/\]/gi,"__CLOSEBRACKET__")}function _unescapeControlChars(str){var working=str.replace(/__PLUS__/gi,"+");working=working.replace(/__OPENBRACE__/gi,"{");working=working.replace(/__CLOSEBRACE__/gi,"}");return working.replace(/__CLOSEBRACKET__/gi,"]")}function _isNullOrUndef(o){return o===null||o===undefined}function _sanitizeData(obj,depthLimit){var sanitized=null;if(_isNullOrUndef(obj))return null;if(obj.__SANITIZED)return obj;if(Array.isArray(obj)){sanitized=[];for(var i=0;i<obj.length;i++){sanitized[i]=_sanitizeData(obj[i],depthLimit)}}else{switch(typeof obj){case"string":sanitized=_escapeControlChars(_stripHtml(obj));break;case"object":sanitized={__SANITIZED:true};if(depthLimit>0){Object.keys(obj).forEach(function sanitizeKeyVal(key){sanitized[key]=_sanitizeData(obj[key],depthLimit-1)})}else{sanitized.__NORECURSE=true}break;default:sanitized=obj;break}}return sanitized}var tagBody="(?:[^\"'>]|\"[^\"]*\"|'[^']*')*";var tagOrComment=new RegExp("<(?:"+"!--(?:(?:-*[^->])*--+|-?)"+"|script\\b"+tagBody+">[\\s\\S]*?</script\\s*"+"|style\\b"+tagBody+">[\\s\\S]*?</style\\s*"+"|/?[a-z]"+tagBody+")>","gi");function _stripHtml(html){var oldHtml;do{oldHtml=html;html=html.replace(tagOrComment,"")}while(html!==oldHtml);return html.replace(/</g,"&lt;")}function _expandValueString(valueStr,data){if(!valueStr||!data)return null;var tmpl="span{"+valueStr.replace(/%/g,"$")+"}";var span=_createElement(tmpl,data);return span?span.textContent:null}function _buildElement(spec){var tag=_tagRex.exec(spec),i,matches,specFragment,val,el=tag?document.createElement(tag[0]):null;if(el){if(_textRex.test(spec)){matches=_textRex.exec(spec);specFragment=_unescapeControlChars(matches[0].slice(1,-1));el.appendChild(document.createTextNode(specFragment))}if(_attrsRex.test(spec)){matches=_attrsRex.exec(spec);specFragment=_unescapeControlChars(matches[0].slice(1,-1));spec=spec.slice(0,matches.index)+spec.slice(matches.index+matches[0].length);matches=specFragment.split(",");for(i=0;i<matches.length;i++){val=matches[i].split("=");if(val.length==2){el.setAttribute(val[0],val[1])}else if(val.length>2){el.setAttribute(val[0],val.slice(1).join("="))}}}if(_idRex.test(spec)){matches=_idRex.exec(spec);el.id=matches[0].slice(1)}matches=_classRex.exec(spec);while(matches&&matches.length){for(i=0;i<matches.length;i++){el.classList.add(matches[i].slice(1))}matches=_classRex.exec(spec)}}else{if(_textRex.test(spec)){matches=_textRex.exec(spec);specFragment=_unescapeControlChars(matches[0].slice(1,-1));el=document.createTextNode(specFragment)}}return el}function _expand(expression,dataObj,serialize){var _frag=serialize?document.createElement("div"):document.createDocumentFragment(),_cur=_frag,child=null,exp_with_values=_supplant(expression,_sanitizeData(dataObj,1),""),i,posCode,tags=exp_with_values.split(_posRex);for(i=0;i<tags.length;i++){child=_buildElement(tags[i].trim());if(child){_cur.appendChild(child)}posCode=_posRex.exec(exp_with_values);if(posCode&&posCode.length){switch(posCode[0]){case"<":_cur=_cur.parentNode;break;case">":_cur=child;break;case"+":break;default:console.warn("unrecognized position delimiter:",posCode)}}}return serialize?_frag.innerHTML:_frag}function _createElement(expression,dataObj){var expanded=_expand(expression,dataObj);_bindToRecord(expanded,dataObj);return expanded&&expanded.childNodes.length?expanded.childNodes[0]:null}function _addTemplate(templateId,body){if(!templateId||!body)return;if(_templateMap.hasOwnProperty(templateId)){throw new Error("Template '"+templateId+"' already exists.")}else{_templateMap[templateId]=body}}function _lookupTemplate(templateId){var tmpl=_templateMap[templateId];if(!tmpl)console.warn("Haiku: Cannot find named template '"+templateId+"'");return tmpl||null}function _lookupTemplateByMap(mapId,record){var map=_conditionalsMaps[mapId];var checkValue;if(!map||!record)return null;if(record&&map.fieldName)checkValue=record[map.fieldName];if(checkValue.toString()&&map.valueMap.hasOwnProperty(checkValue)){return _lookupTemplate(map.valueMap[checkValue])}return _lookupTemplate(map.defaultTemplate)||null}function _evaluateTemplateContext(contextString){var contextDict={};if(contextString)contextString.split("|").forEach(function(argPair){var keyval=argPair.split(":");contextDict[keyval[0]]=keyval[1]});return contextDict}function _getBindingContext(containerContext,childObject){var compositeContext=null;if(!containerContext)return childObject;if(childObject){if(typeof childObject=="object"){compositeContext=_mixin(containerContext||{},childObject)}else{compositeContext=childObject}}return compositeContext}function _bindChildNodes(nd,record){var fieldName=nd.getAttribute("data-children-binding");var i,tmpl,value,fragment,containerContext,bindingContext;if(nd.hasAttribute("data-template-context")){containerContext=_evaluateTemplateContext(nd.getAttribute("data-template-context"),record)}nd.innerHTML="";if(nd.hasAttribute("data-children-prelude")){tmpl=_lookupTemplate(nd.getAttribute("data-children-prelude"));if(tmpl){bindingContext=_getBindingContext(containerContext,record);fragment=_createElement(tmpl,bindingContext);nd.appendChild(fragment)}}if(fieldName&&record.hasOwnProperty(fieldName)){value=record[fieldName];if(value&&value.length!==undefined){if(nd.hasAttribute("data-template")){tmpl=_lookupTemplate(nd.getAttribute("data-template"));if(tmpl){for(i=0;i<value.length;i++){bindingContext=_getBindingContext(containerContext,value[i]);fragment=_createElement(tmpl,bindingContext);nd.appendChild(fragment)}}}else if(nd.hasAttribute("data-template-map")){var tmplMap=nd.getAttribute("data-template-map");for(i=0;i<value.length;i++){bindingContext=_getBindingContext(containerContext,value[i]);tmpl=_lookupTemplateByMap(tmplMap,bindingContext);if(tmpl){fragment=_createElement(tmpl,bindingContext);nd.appendChild(fragment)}}}}}else{}if(nd.hasAttribute("data-children-footer")){tmpl=_lookupTemplate(nd.getAttribute("data-children-footer"));if(tmpl){bindingContext=_getBindingContext(containerContext,record);fragment=_createElement(tmpl,bindingContext);nd.appendChild(fragment)}}}function _bindField(nd,record){var fieldName=nd.getAttribute("data-binding");var value,valueStr;if(fieldName==="%self"){if(nd.hasAttribute("data-value-string")){valueStr=nd.getAttribute("data-value-string");_setNodeValue(nd,_expandValueString(valueStr,record))}else if(typeof record!=="object"){_setNodeValue(nd,record)}}else{if(fieldName&&record.hasOwnProperty(fieldName)){value=record[fieldName];if(value!==undefined){_setNodeValue(nd,value)}}else{}}return nd}function _bindToRecord(view,record){var bindings;if(!view||!record)return;bindings=view.querySelectorAll("[data-binding]");_each(bindings,_markPending);bindings=view.querySelectorAll("[data-children-binding]");_each(bindings,function(nd){_bindChildNodes(nd,record)});bindings=view.querySelectorAll("[data-binding]");_each(_map(_filter(bindings,_onlyPending),function(nd){return _bindField(nd,record)}),_clearPending)}function _markPending(node){if(node&&node.setAttribute)node.setAttribute("data-binding-pending",true);return node}function _clearPending(node){if(node&&node.removeAttribute)node.removeAttribute("data-binding-pending");return node}function _onlyPending(node){return node&&node.getAttribute?node.getAttribute("data-binding-pending"):false}function _addConditionalsMap(name,map){if(!_conditionalsMaps.hasOwnProperty(name)){_conditionalsMaps[name]=map}}return{expand:_expand,create:_createElement,bind:_bindToRecord,addTemplate:_addTemplate,getTemplate:_lookupTemplate,addConditionalsMap:_addConditionalsMap}});