nyc-bookstores/js/mustache.js
2017-03-26 18:34:41 -04:00

1 line
9.3 KiB
JavaScript

(function defineMustache(global,factory){if(typeof exports==="object"&&exports&&typeof exports.nodeName!=="string"){factory(exports)}else if(typeof define==="function"&&define.amd){define(["exports"],factory)}else{global.Mustache={};factory(global.Mustache)}})(this,function mustacheFactory(mustache){var objectToString=Object.prototype.toString;var isArray=Array.isArray||function isArrayPolyfill(object){return objectToString.call(object)==="[object Array]"};function isFunction(object){return typeof object==="function"}function typeStr(obj){return isArray(obj)?"array":typeof obj}function escapeRegExp(string){return string.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g,"\\$&")}function hasProperty(obj,propName){return obj!=null&&typeof obj==="object"&&propName in obj}var regExpTest=RegExp.prototype.test;function testRegExp(re,string){return regExpTest.call(re,string)}var nonSpaceRe=/\S/;function isWhitespace(string){return!testRegExp(nonSpaceRe,string)}var entityMap={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#39;","/":"&#x2F;","`":"&#x60;","=":"&#x3D;"};function escapeHtml(string){return String(string).replace(/[&<>"'`=\/]/g,function fromEntityMap(s){return entityMap[s]})}var whiteRe=/\s*/;var spaceRe=/\s+/;var equalsRe=/\s*=/;var curlyRe=/\s*\}/;var tagRe=/#|\^|\/|>|\{|&|=|!/;function parseTemplate(template,tags){if(!template)return[];var sections=[];var tokens=[];var spaces=[];var hasTag=false;var nonSpace=false;function stripSpace(){if(hasTag&&!nonSpace){while(spaces.length)delete tokens[spaces.pop()]}else{spaces=[]}hasTag=false;nonSpace=false}var openingTagRe,closingTagRe,closingCurlyRe;function compileTags(tagsToCompile){if(typeof tagsToCompile==="string")tagsToCompile=tagsToCompile.split(spaceRe,2);if(!isArray(tagsToCompile)||tagsToCompile.length!==2)throw new Error("Invalid tags: "+tagsToCompile);openingTagRe=new RegExp(escapeRegExp(tagsToCompile[0])+"\\s*");closingTagRe=new RegExp("\\s*"+escapeRegExp(tagsToCompile[1]));closingCurlyRe=new RegExp("\\s*"+escapeRegExp("}"+tagsToCompile[1]))}compileTags(tags||mustache.tags);var scanner=new Scanner(template);var start,type,value,chr,token,openSection;while(!scanner.eos()){start=scanner.pos;value=scanner.scanUntil(openingTagRe);if(value){for(var i=0,valueLength=value.length;i<valueLength;++i){chr=value.charAt(i);if(isWhitespace(chr)){spaces.push(tokens.length)}else{nonSpace=true}tokens.push(["text",chr,start,start+1]);start+=1;if(chr==="\n")stripSpace()}}if(!scanner.scan(openingTagRe))break;hasTag=true;type=scanner.scan(tagRe)||"name";scanner.scan(whiteRe);if(type==="="){value=scanner.scanUntil(equalsRe);scanner.scan(equalsRe);scanner.scanUntil(closingTagRe)}else if(type==="{"){value=scanner.scanUntil(closingCurlyRe);scanner.scan(curlyRe);scanner.scanUntil(closingTagRe);type="&"}else{value=scanner.scanUntil(closingTagRe)}if(!scanner.scan(closingTagRe))throw new Error("Unclosed tag at "+scanner.pos);token=[type,value,start,scanner.pos];tokens.push(token);if(type==="#"||type==="^"){sections.push(token)}else if(type==="/"){openSection=sections.pop();if(!openSection)throw new Error('Unopened section "'+value+'" at '+start);if(openSection[1]!==value)throw new Error('Unclosed section "'+openSection[1]+'" at '+start)}else if(type==="name"||type==="{"||type==="&"){nonSpace=true}else if(type==="="){compileTags(value)}}openSection=sections.pop();if(openSection)throw new Error('Unclosed section "'+openSection[1]+'" at '+scanner.pos);return nestTokens(squashTokens(tokens))}function squashTokens(tokens){var squashedTokens=[];var token,lastToken;for(var i=0,numTokens=tokens.length;i<numTokens;++i){token=tokens[i];if(token){if(token[0]==="text"&&lastToken&&lastToken[0]==="text"){lastToken[1]+=token[1];lastToken[3]=token[3]}else{squashedTokens.push(token);lastToken=token}}}return squashedTokens}function nestTokens(tokens){var nestedTokens=[];var collector=nestedTokens;var sections=[];var token,section;for(var i=0,numTokens=tokens.length;i<numTokens;++i){token=tokens[i];switch(token[0]){case"#":case"^":collector.push(token);sections.push(token);collector=token[4]=[];break;case"/":section=sections.pop();section[5]=token[2];collector=sections.length>0?sections[sections.length-1][4]:nestedTokens;break;default:collector.push(token)}}return nestedTokens}function Scanner(string){this.string=string;this.tail=string;this.pos=0}Scanner.prototype.eos=function eos(){return this.tail===""};Scanner.prototype.scan=function scan(re){var match=this.tail.match(re);if(!match||match.index!==0)return"";var string=match[0];this.tail=this.tail.substring(string.length);this.pos+=string.length;return string};Scanner.prototype.scanUntil=function scanUntil(re){var index=this.tail.search(re),match;switch(index){case-1:match=this.tail;this.tail="";break;case 0:match="";break;default:match=this.tail.substring(0,index);this.tail=this.tail.substring(index)}this.pos+=match.length;return match};function Context(view,parentContext){this.view=view;this.cache={".":this.view};this.parent=parentContext}Context.prototype.push=function push(view){return new Context(view,this)};Context.prototype.lookup=function lookup(name){var cache=this.cache;var value;if(cache.hasOwnProperty(name)){value=cache[name]}else{var context=this,names,index,lookupHit=false;while(context){if(name.indexOf(".")>0){value=context.view;names=name.split(".");index=0;while(value!=null&&index<names.length){if(index===names.length-1)lookupHit=hasProperty(value,names[index]);value=value[names[index++]]}}else{value=context.view[name];lookupHit=hasProperty(context.view,name)}if(lookupHit)break;context=context.parent}cache[name]=value}if(isFunction(value))value=value.call(this.view);return value};function Writer(){this.cache={}}Writer.prototype.clearCache=function clearCache(){this.cache={}};Writer.prototype.parse=function parse(template,tags){var cache=this.cache;var tokens=cache[template];if(tokens==null)tokens=cache[template]=parseTemplate(template,tags);return tokens};Writer.prototype.render=function render(template,view,partials){var tokens=this.parse(template);var context=view instanceof Context?view:new Context(view);return this.renderTokens(tokens,context,partials,template)};Writer.prototype.renderTokens=function renderTokens(tokens,context,partials,originalTemplate){var buffer="";var token,symbol,value;for(var i=0,numTokens=tokens.length;i<numTokens;++i){value=undefined;token=tokens[i];symbol=token[0];if(symbol==="#")value=this.renderSection(token,context,partials,originalTemplate);else if(symbol==="^")value=this.renderInverted(token,context,partials,originalTemplate);else if(symbol===">")value=this.renderPartial(token,context,partials,originalTemplate);else if(symbol==="&")value=this.unescapedValue(token,context);else if(symbol==="name")value=this.escapedValue(token,context);else if(symbol==="text")value=this.rawValue(token);if(value!==undefined)buffer+=value}return buffer};Writer.prototype.renderSection=function renderSection(token,context,partials,originalTemplate){var self=this;var buffer="";var value=context.lookup(token[1]);function subRender(template){return self.render(template,context,partials)}if(!value)return;if(isArray(value)){for(var j=0,valueLength=value.length;j<valueLength;++j){buffer+=this.renderTokens(token[4],context.push(value[j]),partials,originalTemplate)}}else if(typeof value==="object"||typeof value==="string"||typeof value==="number"){buffer+=this.renderTokens(token[4],context.push(value),partials,originalTemplate)}else if(isFunction(value)){if(typeof originalTemplate!=="string")throw new Error("Cannot use higher-order sections without the original template");value=value.call(context.view,originalTemplate.slice(token[3],token[5]),subRender);if(value!=null)buffer+=value}else{buffer+=this.renderTokens(token[4],context,partials,originalTemplate)}return buffer};Writer.prototype.renderInverted=function renderInverted(token,context,partials,originalTemplate){var value=context.lookup(token[1]);if(!value||isArray(value)&&value.length===0)return this.renderTokens(token[4],context,partials,originalTemplate)};Writer.prototype.renderPartial=function renderPartial(token,context,partials){if(!partials)return;var value=isFunction(partials)?partials(token[1]):partials[token[1]];if(value!=null)return this.renderTokens(this.parse(value),context,partials,value)};Writer.prototype.unescapedValue=function unescapedValue(token,context){var value=context.lookup(token[1]);if(value!=null)return value};Writer.prototype.escapedValue=function escapedValue(token,context){var value=context.lookup(token[1]);if(value!=null)return mustache.escape(value)};Writer.prototype.rawValue=function rawValue(token){return token[1]};mustache.name="mustache.js";mustache.version="2.3.0";mustache.tags=["{{","}}"];var defaultWriter=new Writer;mustache.clearCache=function clearCache(){return defaultWriter.clearCache()};mustache.parse=function parse(template,tags){return defaultWriter.parse(template,tags)};mustache.render=function render(template,view,partials){if(typeof template!=="string"){throw new TypeError('Invalid template! Template should be a "string" '+'but "'+typeStr(template)+'" was given as the first '+"argument for mustache#render(template, view, partials)")}return defaultWriter.render(template,view,partials)};mustache.to_html=function to_html(template,view,partials,send){var result=mustache.render(template,view,partials);if(isFunction(send)){send(result)}else{return result}};mustache.escape=escapeHtml;mustache.Scanner=Scanner;mustache.Context=Context;mustache.Writer=Writer;return mustache});