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koirand acf8d53cdd Use absolute URLs #26
2019-03-28 02:04:53 +09:00

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n=t[i],o="disabled"!==this.opt.wildcards?this.setupWildcardsRegExp(i):this.escapeStr(i),a="disabled"!==this.opt.wildcards?this.setupWildcardsRegExp(n):this.escapeStr(n);""!==o&&""!==a&&(e=e.replace(new RegExp(`(${this.escapeStr(o)}|${this.escapeStr(a)})`,`gm${s}`),r+`(${this.processSynomyms(o)}|`+`${this.processSynomyms(a)})`+r))}return e}processSynomyms(e){return(this.opt.ignoreJoiners||this.opt.ignorePunctuation.length)&&(e=this.setupIgnoreJoinersRegExp(e)),e}setupWildcardsRegExp(e){return(e=e.replace(/(?:\\)*\?/g,e=>"\\"===e.charAt(0)?"?":"")).replace(/(?:\\)*\*/g,e=>"\\"===e.charAt(0)?"*":"")}createWildcardsRegExp(e){let t="withSpaces"===this.opt.wildcards;return e.replace(/\u0001/g,t?"[\\S\\s]?":"\\S?").replace(/\u0002/g,t?"[\\S\\s]*?":"\\S*")}setupIgnoreJoinersRegExp(e){return e.replace(/[^(|)\\]/g,(e,t,s)=>{let r=s.charAt(t+1);return/[(|)\\]/.test(r)||""===r?e:e+"\0"})}createJoinersRegExp(e){let t=[];const s=this.opt.ignorePunctuation;return Array.isArray(s)&&s.length&&t.push(this.escapeStr(s.join(""))),this.opt.ignoreJoiners&&t.push("\\u00ad\\u200b\\u200c\\u200d"),t.length?e.split(/\u0000+/).join(`[${t.join("")}]*`):e}createDiacriticsRegExp(e){const t=this.opt.caseSensitive?"":"i",s=this.opt.caseSensitive?["aàáảãạăằắẳẵặâầấẩẫậäåāą","AÀÁẢÃẠĂẰẮẲẴẶÂẦẤẨẪẬÄÅĀĄ","cçćč","CÇĆČ","dđď","DĐĎ","eèéẻẽẹêềếểễệëěēę","EÈÉẺẼẸÊỀẾỂỄỆËĚĒĘ","iìíỉĩịîïī","IÌÍỈĨỊÎÏĪ","lł","LŁ","nñňń","NÑŇŃ","oòóỏõọôồốổỗộơởỡớờợöøō","OÒÓỎÕỌÔỒỐỔỖỘƠỞỠỚỜỢÖØŌ","rř","RŘ","sšśșş","SŠŚȘŞ","tťțţ","TŤȚŢ","uùúủũụưừứửữựûüůū","UÙÚỦŨỤƯỪỨỬỮỰÛÜŮŪ","yýỳỷỹỵÿ","YÝỲỶỸỴŸ","zžżź","ZŽŻŹ"]:["aàáảãạăằắẳẵặâầấẩẫậäåāąAÀÁẢÃẠĂẰẮẲẴẶÂẦẤẨẪẬÄÅĀĄ","cçćčCÇĆČ","dđďDĐĎ","eèéẻẽẹêềếểễệëěēęEÈÉẺẼẸÊỀẾỂỄỆËĚĒĘ","iìíỉĩịîïīIÌÍỈĨỊÎÏĪ","lłLŁ","nñňńNÑŇŃ","oòóỏõọôồốổỗộơởỡớờợöøōOÒÓỎÕỌÔỒỐỔỖỘƠỞỠỚỜỢÖØŌ","rřRŘ","sšśșşSŠŚȘŞ","tťțţTŤȚŢ","uùúủũụưừứửữựûüůūUÙÚỦŨỤƯỪỨỬỮỰÛÜŮŪ","yýỳỷỹỵÿYÝỲỶỸỴŸ","zžżźZŽŻŹ"];let r=[];return e.split("").forEach(i=>{s.every(s=>{if(-1!==s.indexOf(i)){if(r.indexOf(s)>-1)return!1;e=e.replace(new RegExp(`[${s}]`,`gm${t}`),`[${s}]`),r.push(s)}return!0})}),e}createMergedBlanksRegExp(e){return e.replace(/[\s]+/gim,"[\\s]+")}createAccuracyRegExp(e){const t="!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~¡¿";let s=this.opt.accuracy,r="string"==typeof s?s:s.value,i="string"==typeof s?[]:s.limiters,n="";switch(i.forEach(e=>{n+=`|${this.escapeStr(e)}`}),r){case"partially":default:return`()(${e})`;case"complementary":return`()([^${n="\\s"+(n||this.escapeStr(t))}]*${e}[^${n}]*)`;case"exactly":return`(^|\\s${n})(${e})(?=$|\\s${n})`}}getSeparatedKeywords(e){let t=[];return e.forEach(e=>{this.opt.separateWordSearch?e.split(" ").forEach(e=>{e.trim()&&-1===t.indexOf(e)&&t.push(e)}):e.trim()&&-1===t.indexOf(e)&&t.push(e)}),{keywords:t.sort((e,t)=>t.length-e.length),length:t.length}}isNumeric(e){return Number(parseFloat(e))==e}checkRanges(e){if(!Array.isArray(e)||"[object Object]"!==Object.prototype.toString.call(e[0]))return this.log("markRanges() will only accept an array of objects"),this.opt.noMatch(e),[];const t=[];let s=0;return e.sort((e,t)=>e.start-t.start).forEach(e=>{let{start:r,end:i,valid:n}=this.callNoMatchOnInvalidRanges(e,s);n&&(e.start=r,e.length=i-r,t.push(e),s=i)}),t}callNoMatchOnInvalidRanges(e,t){let s,r,i=!1;return e&&void 0!==e.start?(r=(s=parseInt(e.start,10))+parseInt(e.length,10),this.isNumeric(e.start)&&this.isNumeric(e.length)&&r-t>0&&r-s>0?i=!0:(this.log("Ignoring invalid or overlapping range: "+`${JSON.stringify(e)}`),this.opt.noMatch(e))):(this.log(`Ignoring invalid range: ${JSON.stringify(e)}`),this.opt.noMatch(e)),{start:s,end:r,valid:i}}checkWhitespaceRanges(e,t,s){let r,i=!0,n=s.length,o=t-n,a=parseInt(e.start,10)-o;return(r=(a=a>n?n:a)+parseInt(e.length,10))>n&&(r=n,this.log(`End range automatically set to the max value of ${n}`)),a<0||r-a<0||a>n||r>n?(i=!1,this.log(`Invalid range: ${JSON.stringify(e)}`),this.opt.noMatch(e)):""===s.substring(a,r).replace(/\s+/g,"")&&(i=!1,this.log("Skipping whitespace only range: "+JSON.stringify(e)),this.opt.noMatch(e)),{start:a,end:r,valid:i}}getTextNodes(e){let t="",s=[];this.iterator.forEachNode(NodeFilter.SHOW_TEXT,e=>{s.push({start:t.length,end:(t+=e.textContent).length,node:e})},e=>this.matchesExclude(e.parentNode)?NodeFilter.FILTER_REJECT:NodeFilter.FILTER_ACCEPT,()=>{e({value:t,nodes:s})})}matchesExclude(e){return t.matches(e,this.opt.exclude.concat(["script","style","title","head","html"]))}wrapRangeInTextNode(e,t,s){const r=this.opt.element?this.opt.element:"mark",i=e.splitText(t),n=i.splitText(s-t);let o=document.createElement(r);return o.setAttribute("data-markjs","true"),this.opt.className&&o.setAttribute("class",this.opt.className),o.textContent=i.textContent,i.parentNode.replaceChild(o,i),n}wrapRangeInMappedTextNode(e,t,s,r,i){e.nodes.every((n,o)=>{const a=e.nodes[o+1];if(void 0===a||a.start>t){if(!r(n.node))return!1;const a=t-n.start,c=(s>n.end?n.end:s)-n.start,h=e.value.substr(0,n.start),l=e.value.substr(c+n.start);if(n.node=this.wrapRangeInTextNode(n.node,a,c),e.value=h+l,e.nodes.forEach((t,s)=>{s>=o&&(e.nodes[s].start>0&&s!==o&&(e.nodes[s].start-=c),e.nodes[s].end-=c)}),s-=c,i(n.node.previousSibling,n.start),!(s>n.end))return!1;t=n.end}return!0})}wrapMatches(e,t,s,r,i){const n=0===t?0:t+1;this.getTextNodes(t=>{t.nodes.forEach(t=>{let i;for(t=t.node;null!==(i=e.exec(t.textContent))&&""!==i[n];){if(!s(i[n],t))continue;let o=i.index;if(0!==n)for(let e=1;e<n;e++)o+=i[e].length;t=this.wrapRangeInTextNode(t,o,o+i[n].length),r(t.previousSibling),e.lastIndex=0}}),i()})}wrapMatchesAcrossElements(e,t,s,r,i){const n=0===t?0:t+1;this.getTextNodes(t=>{let o;for(;null!==(o=e.exec(t.value))&&""!==o[n];){let i=o.index;if(0!==n)for(let e=1;e<n;e++)i+=o[e].length;const a=i+o[n].length;this.wrapRangeInMappedTextNode(t,i,a,e=>s(o[n],e),(t,s)=>{e.lastIndex=s,r(t)})}i()})}wrapRangeFromIndex(e,t,s,r){this.getTextNodes(i=>{const n=i.value.length;e.forEach((e,r)=>{let{start:o,end:a,valid:c}=this.checkWhitespaceRanges(e,n,i.value);c&&this.wrapRangeInMappedTextNode(i,o,a,s=>t(s,e,i.value.substring(o,a),r),t=>{s(t,e)})}),r()})}unwrapMatches(e){const t=e.parentNode;let s=document.createDocumentFragment();for(;e.firstChild;)s.appendChild(e.removeChild(e.firstChild));t.replaceChild(s,e),this.ie?this.normalizeTextNode(t):t.normalize()}normalizeTextNode(e){if(e){if(3===e.nodeType)for(;e.nextSibling&&3===e.nextSibling.nodeType;)e.nodeValue+=e.nextSibling.nodeValue,e.parentNode.removeChild(e.nextSibling);else this.normalizeTextNode(e.firstChild);this.normalizeTextNode(e.nextSibling)}}markRegExp(e,t){this.opt=t,this.log(`Searching with expression "${e}"`);let s=0,r="wrapMatches";const i=e=>{s++,this.opt.each(e)};this.opt.acrossElements&&(r="wrapMatchesAcrossElements"),this[r](e,this.opt.ignoreGroups,(e,t)=>this.opt.filter(t,e,s),i,()=>{0===s&&this.opt.noMatch(e),this.opt.done(s)})}mark(e,t){this.opt=t;let s=0,r="wrapMatches";const{keywords:i,length:n}=this.getSeparatedKeywords("string"==typeof e?[e]:e),o=this.opt.caseSensitive?"":"i",a=e=>{let t=new RegExp(this.createRegExp(e),`gm${o}`),c=0;this.log(`Searching with expression "${t}"`),this[r](t,1,(t,r)=>this.opt.filter(r,e,s,c),e=>{c++,s++,this.opt.each(e)},()=>{0===c&&this.opt.noMatch(e),i[n-1]===e?this.opt.done(s):a(i[i.indexOf(e)+1])})};this.opt.acrossElements&&(r="wrapMatchesAcrossElements"),0===n?this.opt.done(s):a(i[0])}markRanges(e,t){this.opt=t;let s=0,r=this.checkRanges(e);r&&r.length?(this.log("Starting to mark with the following ranges: "+JSON.stringify(r)),this.wrapRangeFromIndex(r,(e,t,s,r)=>this.opt.filter(e,t,s,r),(e,t)=>{s++,this.opt.each(e,t)},()=>{this.opt.done(s)})):this.opt.done(s)}unmark(e){this.opt=e;let s=this.opt.element?this.opt.element:"*";s+="[data-markjs]",this.opt.className&&(s+=`.${this.opt.className}`),this.log(`Removal selector "${s}"`),this.iterator.forEachNode(NodeFilter.SHOW_ELEMENT,e=>{this.unwrapMatches(e)},e=>{const r=t.matches(e,s),i=this.matchesExclude(e);return!r||i?NodeFilter.FILTER_REJECT:NodeFilter.FILTER_ACCEPT},this.opt.done)}}return e.fn.mark=function(e,t){return new s(this.get()).mark(e,t),this},e.fn.markRegExp=function(e,t){return new s(this.get()).markRegExp(e,t),this},e.fn.markRanges=function(e,t){return new s(this.get()).markRanges(e,t),this},e.fn.unmark=function(e){return new s(this.get()).unmark(e),this},e});;(function(){var lunr=function(config){var builder=new lunr.Builder
builder.pipeline.add(lunr.trimmer,lunr.stopWordFilter,lunr.stemmer)
builder.searchPipeline.add(lunr.stemmer)
config.call(builder,builder)
return builder.build()}
lunr.version="2.3.6"/*!
* lunr.utils
* Copyright (C) 2019 Oliver Nightingale
*/
lunr.utils={}
lunr.utils.warn=(function(global){return function(message){if(global.console&&console.warn){console.warn(message)}}})(this)
lunr.utils.asString=function(obj){if(obj===void 0||obj===null){return ""}else{return obj.toString()}}
lunr.utils.clone=function(obj){if(obj===null||obj===undefined){return obj}
var clone=Object.create(null),keys=Object.keys(obj)
for(var i=0;i<keys.length;i++){var key=keys[i],val=obj[key]
if(Array.isArray(val)){clone[key]=val.slice()
continue}
if(typeof val==='string'||typeof val==='number'||typeof val==='boolean'){clone[key]=val
continue}
throw new TypeError("clone is not deep and does not support nested objects")}
return clone}
lunr.FieldRef=function(docRef,fieldName,stringValue){this.docRef=docRef
this.fieldName=fieldName
this._stringValue=stringValue}
lunr.FieldRef.joiner="/"
lunr.FieldRef.fromString=function(s){var n=s.indexOf(lunr.FieldRef.joiner)
if(n===-1){throw "malformed field ref string"}
var fieldRef=s.slice(0,n),docRef=s.slice(n+1)
return new lunr.FieldRef(docRef,fieldRef,s)}
lunr.FieldRef.prototype.toString=function(){if(this._stringValue==undefined){this._stringValue=this.fieldName+lunr.FieldRef.joiner+this.docRef}
return this._stringValue}/*!
* lunr.Set
* Copyright (C) 2019 Oliver Nightingale
*/
lunr.Set=function(elements){this.elements=Object.create(null)
if(elements){this.length=elements.length
for(var i=0;i<this.length;i++){this.elements[elements[i]]=true}}else{this.length=0}}
lunr.Set.complete={intersect:function(other){return other},union:function(other){return other},contains:function(){return true}}
lunr.Set.empty={intersect:function(){return this},union:function(other){return other},contains:function(){return false}}
lunr.Set.prototype.contains=function(object){return!!this.elements[object]}
lunr.Set.prototype.intersect=function(other){var a,b,elements,intersection=[]
if(other===lunr.Set.complete){return this}
if(other===lunr.Set.empty){return other}
if(this.length<other.length){a=this
b=other}else{a=other
b=this}
elements=Object.keys(a.elements)
for(var i=0;i<elements.length;i++){var element=elements[i]
if(element in b.elements){intersection.push(element)}}
return new lunr.Set(intersection)}
lunr.Set.prototype.union=function(other){if(other===lunr.Set.complete){return lunr.Set.complete}
if(other===lunr.Set.empty){return this}
return new lunr.Set(Object.keys(this.elements).concat(Object.keys(other.elements)))}
lunr.idf=function(posting,documentCount){var documentsWithTerm=0
for(var fieldName in posting){if(fieldName=='_index')continue
documentsWithTerm+=Object.keys(posting[fieldName]).length}
var x=(documentCount-documentsWithTerm+0.5)/(documentsWithTerm+0.5)
return Math.log(1+Math.abs(x))}
lunr.Token=function(str,metadata){this.str=str||""
this.metadata=metadata||{}}
lunr.Token.prototype.toString=function(){return this.str}
lunr.Token.prototype.update=function(fn){this.str=fn(this.str,this.metadata)
return this}
lunr.Token.prototype.clone=function(fn){fn=fn||function(s){return s}
return new lunr.Token(fn(this.str,this.metadata),this.metadata)}/*!
* lunr.tokenizer
* Copyright (C) 2019 Oliver Nightingale
*/
lunr.tokenizer=function(obj,metadata){if(obj==null||obj==undefined){return[]}
if(Array.isArray(obj)){return obj.map(function(t){return new lunr.Token(lunr.utils.asString(t).toLowerCase(),lunr.utils.clone(metadata))})}
var str=obj.toString().trim().toLowerCase(),len=str.length,tokens=[]
for(var sliceEnd=0,sliceStart=0;sliceEnd<=len;sliceEnd++){var char=str.charAt(sliceEnd),sliceLength=sliceEnd-sliceStart
if((char.match(lunr.tokenizer.separator)||sliceEnd==len)){if(sliceLength>0){var tokenMetadata=lunr.utils.clone(metadata)||{}
tokenMetadata["position"]=[sliceStart,sliceLength]
tokenMetadata["index"]=tokens.length
tokens.push(new lunr.Token(str.slice(sliceStart,sliceEnd),tokenMetadata))}
sliceStart=sliceEnd+1}}
return tokens}
lunr.tokenizer.separator=/[\s\-]+//*!
* lunr.Pipeline
* Copyright (C) 2019 Oliver Nightingale
*/
lunr.Pipeline=function(){this._stack=[]}
lunr.Pipeline.registeredFunctions=Object.create(null)
lunr.Pipeline.registerFunction=function(fn,label){if(label in this.registeredFunctions){lunr.utils.warn('Overwriting existing registered function: '+label)}
fn.label=label
lunr.Pipeline.registeredFunctions[fn.label]=fn}
lunr.Pipeline.warnIfFunctionNotRegistered=function(fn){var isRegistered=fn.label&&(fn.label in this.registeredFunctions)
if(!isRegistered){lunr.utils.warn('Function is not registered with pipeline. This may cause problems when serialising the index.\n',fn)}}
lunr.Pipeline.load=function(serialised){var pipeline=new lunr.Pipeline
serialised.forEach(function(fnName){var fn=lunr.Pipeline.registeredFunctions[fnName]
if(fn){pipeline.add(fn)}else{throw new Error('Cannot load unregistered function: '+fnName)}})
return pipeline}
lunr.Pipeline.prototype.add=function(){var fns=Array.prototype.slice.call(arguments)
fns.forEach(function(fn){lunr.Pipeline.warnIfFunctionNotRegistered(fn)
this._stack.push(fn)},this)}
lunr.Pipeline.prototype.after=function(existingFn,newFn){lunr.Pipeline.warnIfFunctionNotRegistered(newFn)
var pos=this._stack.indexOf(existingFn)
if(pos==-1){throw new Error('Cannot find existingFn')}
pos=pos+1
this._stack.splice(pos,0,newFn)}
lunr.Pipeline.prototype.before=function(existingFn,newFn){lunr.Pipeline.warnIfFunctionNotRegistered(newFn)
var pos=this._stack.indexOf(existingFn)
if(pos==-1){throw new Error('Cannot find existingFn')}
this._stack.splice(pos,0,newFn)}
lunr.Pipeline.prototype.remove=function(fn){var pos=this._stack.indexOf(fn)
if(pos==-1){return}
this._stack.splice(pos,1)}
lunr.Pipeline.prototype.run=function(tokens){var stackLength=this._stack.length
for(var i=0;i<stackLength;i++){var fn=this._stack[i]
var memo=[]
for(var j=0;j<tokens.length;j++){var result=fn(tokens[j],j,tokens)
if(result===void 0||result==='')continue
if(Array.isArray(result)){for(var k=0;k<result.length;k++){memo.push(result[k])}}else{memo.push(result)}}
tokens=memo}
return tokens}
lunr.Pipeline.prototype.runString=function(str,metadata){var token=new lunr.Token(str,metadata)
return this.run([token]).map(function(t){return t.toString()})}
lunr.Pipeline.prototype.reset=function(){this._stack=[]}
lunr.Pipeline.prototype.toJSON=function(){return this._stack.map(function(fn){lunr.Pipeline.warnIfFunctionNotRegistered(fn)
return fn.label})}/*!
* lunr.Vector
* Copyright (C) 2019 Oliver Nightingale
*/
lunr.Vector=function(elements){this._magnitude=0
this.elements=elements||[]}
lunr.Vector.prototype.positionForIndex=function(index){if(this.elements.length==0){return 0}
var start=0,end=this.elements.length/2,sliceLength=end-start,pivotPoint=Math.floor(sliceLength/2),pivotIndex=this.elements[pivotPoint*2]
while(sliceLength>1){if(pivotIndex<index){start=pivotPoint}
if(pivotIndex>index){end=pivotPoint}
if(pivotIndex==index){break}
sliceLength=end-start
pivotPoint=start+Math.floor(sliceLength/2)
pivotIndex=this.elements[pivotPoint*2]}
if(pivotIndex==index){return pivotPoint*2}
if(pivotIndex>index){return pivotPoint*2}
if(pivotIndex<index){return(pivotPoint+1)*2}}
lunr.Vector.prototype.insert=function(insertIdx,val){this.upsert(insertIdx,val,function(){throw "duplicate index"})}
lunr.Vector.prototype.upsert=function(insertIdx,val,fn){this._magnitude=0
var position=this.positionForIndex(insertIdx)
if(this.elements[position]==insertIdx){this.elements[position+1]=fn(this.elements[position+1],val)}else{this.elements.splice(position,0,insertIdx,val)}}
lunr.Vector.prototype.magnitude=function(){if(this._magnitude)return this._magnitude
var sumOfSquares=0,elementsLength=this.elements.length
for(var i=1;i<elementsLength;i+=2){var val=this.elements[i]
sumOfSquares+=val*val}
return this._magnitude=Math.sqrt(sumOfSquares)}
lunr.Vector.prototype.dot=function(otherVector){var dotProduct=0,a=this.elements,b=otherVector.elements,aLen=a.length,bLen=b.length,aVal=0,bVal=0,i=0,j=0
while(i<aLen&&j<bLen){aVal=a[i],bVal=b[j]
if(aVal<bVal){i+=2}else if(aVal>bVal){j+=2}else if(aVal==bVal){dotProduct+=a[i+1]*b[j+1]
i+=2
j+=2}}
return dotProduct}
lunr.Vector.prototype.similarity=function(otherVector){return this.dot(otherVector)/this.magnitude()||0}
lunr.Vector.prototype.toArray=function(){var output=new Array(this.elements.length/2)
for(var i=1,j=0;i<this.elements.length;i+=2,j++){output[j]=this.elements[i]}
return output}
lunr.Vector.prototype.toJSON=function(){return this.elements}/*!
* lunr.stemmer
* Copyright (C) 2019 Oliver Nightingale
* Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt
*/
lunr.stemmer=(function(){var step2list={"ational":"ate","tional":"tion","enci":"ence","anci":"ance","izer":"ize","bli":"ble","alli":"al","entli":"ent","eli":"e","ousli":"ous","ization":"ize","ation":"ate","ator":"ate","alism":"al","iveness":"ive","fulness":"ful","ousness":"ous","aliti":"al","iviti":"ive","biliti":"ble","logi":"log"},step3list={"icate":"ic","ative":"","alize":"al","iciti":"ic","ical":"ic","ful":"","ness":""},c="[^aeiou]",v="[aeiouy]",C=c+"[^aeiouy]*",V=v+"[aeiou]*",mgr0="^("+C+")?"+V+C,meq1="^("+C+")?"+V+C+"("+V+")?$",mgr1="^("+C+")?"+V+C+V+C,s_v="^("+C+")?"+v;var re_mgr0=new RegExp(mgr0);var re_mgr1=new RegExp(mgr1);var re_meq1=new RegExp(meq1);var re_s_v=new RegExp(s_v);var re_1a=/^(.+?)(ss|i)es$/;var re2_1a=/^(.+?)([^s])s$/;var re_1b=/^(.+?)eed$/;var re2_1b=/^(.+?)(ed|ing)$/;var re_1b_2=/.$/;var re2_1b_2=/(at|bl|iz)$/;var re3_1b_2=new RegExp("([^aeiouylsz])\\1$");var re4_1b_2=new RegExp("^"+C+v+"[^aeiouwxy]$");var re_1c=/^(.+?[^aeiou])y$/;var re_2=/^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;var re_3=/^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;var re_4=/^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;var re2_4=/^(.+?)(s|t)(ion)$/;var re_5=/^(.+?)e$/;var re_5_1=/ll$/;var re3_5=new RegExp("^"+C+v+"[^aeiouwxy]$");var porterStemmer=function porterStemmer(w){var stem,suffix,firstch,re,re2,re3,re4;if(w.length<3){return w;}
firstch=w.substr(0,1);if(firstch=="y"){w=firstch.toUpperCase()+w.substr(1);}
re=re_1a
re2=re2_1a;if(re.test(w)){w=w.replace(re,"$1$2");}
else if(re2.test(w)){w=w.replace(re2,"$1$2");}
re=re_1b;re2=re2_1b;if(re.test(w)){var fp=re.exec(w);re=re_mgr0;if(re.test(fp[1])){re=re_1b_2;w=w.replace(re,"");}}else if(re2.test(w)){var fp=re2.exec(w);stem=fp[1];re2=re_s_v;if(re2.test(stem)){w=stem;re2=re2_1b_2;re3=re3_1b_2;re4=re4_1b_2;if(re2.test(w)){w=w+"e";}
else if(re3.test(w)){re=re_1b_2;w=w.replace(re,"");}
else if(re4.test(w)){w=w+"e";}}}
re=re_1c;if(re.test(w)){var fp=re.exec(w);stem=fp[1];w=stem+"i";}
re=re_2;if(re.test(w)){var fp=re.exec(w);stem=fp[1];suffix=fp[2];re=re_mgr0;if(re.test(stem)){w=stem+step2list[suffix];}}
re=re_3;if(re.test(w)){var fp=re.exec(w);stem=fp[1];suffix=fp[2];re=re_mgr0;if(re.test(stem)){w=stem+step3list[suffix];}}
re=re_4;re2=re2_4;if(re.test(w)){var fp=re.exec(w);stem=fp[1];re=re_mgr1;if(re.test(stem)){w=stem;}}else if(re2.test(w)){var fp=re2.exec(w);stem=fp[1]+fp[2];re2=re_mgr1;if(re2.test(stem)){w=stem;}}
re=re_5;if(re.test(w)){var fp=re.exec(w);stem=fp[1];re=re_mgr1;re2=re_meq1;re3=re3_5;if(re.test(stem)||(re2.test(stem)&&!(re3.test(stem)))){w=stem;}}
re=re_5_1;re2=re_mgr1;if(re.test(w)&&re2.test(w)){re=re_1b_2;w=w.replace(re,"");}
if(firstch=="y"){w=firstch.toLowerCase()+w.substr(1);}
return w;};return function(token){return token.update(porterStemmer);}})();lunr.Pipeline.registerFunction(lunr.stemmer,'stemmer')/*!
* lunr.stopWordFilter
* Copyright (C) 2019 Oliver Nightingale
*/
lunr.generateStopWordFilter=function(stopWords){var words=stopWords.reduce(function(memo,stopWord){memo[stopWord]=stopWord
return memo},{})
return function(token){if(token&&words[token.toString()]!==token.toString())return token}}
lunr.stopWordFilter=lunr.generateStopWordFilter(['a','able','about','across','after','all','almost','also','am','among','an','and','any','are','as','at','be','because','been','but','by','can','cannot','could','dear','did','do','does','either','else','ever','every','for','from','get','got','had','has','have','he','her','hers','him','his','how','however','i','if','in','into','is','it','its','just','least','let','like','likely','may','me','might','most','must','my','neither','no','nor','not','of','off','often','on','only','or','other','our','own','rather','said','say','says','she','should','since','so','some','than','that','the','their','them','then','there','these','they','this','tis','to','too','twas','us','wants','was','we','were','what','when','where','which','while','who','whom','why','will','with','would','yet','you','your'])
lunr.Pipeline.registerFunction(lunr.stopWordFilter,'stopWordFilter')/*!
* lunr.trimmer
* Copyright (C) 2019 Oliver Nightingale
*/
lunr.trimmer=function(token){return token.update(function(s){return s.replace(/^\W+/,'').replace(/\W+$/,'')})}
lunr.Pipeline.registerFunction(lunr.trimmer,'trimmer')/*!
* lunr.TokenSet
* Copyright (C) 2019 Oliver Nightingale
*/
lunr.TokenSet=function(){this.final=false
this.edges={}
this.id=lunr.TokenSet._nextId
lunr.TokenSet._nextId+=1}
lunr.TokenSet._nextId=1
lunr.TokenSet.fromArray=function(arr){var builder=new lunr.TokenSet.Builder
for(var i=0,len=arr.length;i<len;i++){builder.insert(arr[i])}
builder.finish()
return builder.root}
lunr.TokenSet.fromClause=function(clause){if('editDistance'in clause){return lunr.TokenSet.fromFuzzyString(clause.term,clause.editDistance)}else{return lunr.TokenSet.fromString(clause.term)}}
lunr.TokenSet.fromFuzzyString=function(str,editDistance){var root=new lunr.TokenSet
var stack=[{node:root,editsRemaining:editDistance,str:str}]
while(stack.length){var frame=stack.pop()
if(frame.str.length>0){var char=frame.str.charAt(0),noEditNode
if(char in frame.node.edges){noEditNode=frame.node.edges[char]}else{noEditNode=new lunr.TokenSet
frame.node.edges[char]=noEditNode}
if(frame.str.length==1){noEditNode.final=true}
stack.push({node:noEditNode,editsRemaining:frame.editsRemaining,str:frame.str.slice(1)})}
if(frame.editsRemaining==0){continue}
if("*"in frame.node.edges){var insertionNode=frame.node.edges["*"]}else{var insertionNode=new lunr.TokenSet
frame.node.edges["*"]=insertionNode}
if(frame.str.length==0){insertionNode.final=true}
stack.push({node:insertionNode,editsRemaining:frame.editsRemaining-1,str:frame.str})
if(frame.str.length>1){stack.push({node:frame.node,editsRemaining:frame.editsRemaining-1,str:frame.str.slice(1)})}
if(frame.str.length==1){frame.node.final=true}
if(frame.str.length>=1){if("*"in frame.node.edges){var substitutionNode=frame.node.edges["*"]}else{var substitutionNode=new lunr.TokenSet
frame.node.edges["*"]=substitutionNode}
if(frame.str.length==1){substitutionNode.final=true}
stack.push({node:substitutionNode,editsRemaining:frame.editsRemaining-1,str:frame.str.slice(1)})}
if(frame.str.length>1){var charA=frame.str.charAt(0),charB=frame.str.charAt(1),transposeNode
if(charB in frame.node.edges){transposeNode=frame.node.edges[charB]}else{transposeNode=new lunr.TokenSet
frame.node.edges[charB]=transposeNode}
if(frame.str.length==1){transposeNode.final=true}
stack.push({node:transposeNode,editsRemaining:frame.editsRemaining-1,str:charA+frame.str.slice(2)})}}
return root}
lunr.TokenSet.fromString=function(str){var node=new lunr.TokenSet,root=node
for(var i=0,len=str.length;i<len;i++){var char=str[i],final=(i==len-1)
if(char=="*"){node.edges[char]=node
node.final=final}else{var next=new lunr.TokenSet
next.final=final
node.edges[char]=next
node=next}}
return root}
lunr.TokenSet.prototype.toArray=function(){var words=[]
var stack=[{prefix:"",node:this}]
while(stack.length){var frame=stack.pop(),edges=Object.keys(frame.node.edges),len=edges.length
if(frame.node.final){frame.prefix.charAt(0)
words.push(frame.prefix)}
for(var i=0;i<len;i++){var edge=edges[i]
stack.push({prefix:frame.prefix.concat(edge),node:frame.node.edges[edge]})}}
return words}
lunr.TokenSet.prototype.toString=function(){if(this._str){return this._str}
var str=this.final?'1':'0',labels=Object.keys(this.edges).sort(),len=labels.length
for(var i=0;i<len;i++){var label=labels[i],node=this.edges[label]
str=str+label+node.id}
return str}
lunr.TokenSet.prototype.intersect=function(b){var output=new lunr.TokenSet,frame=undefined
var stack=[{qNode:b,output:output,node:this}]
while(stack.length){frame=stack.pop()
var qEdges=Object.keys(frame.qNode.edges),qLen=qEdges.length,nEdges=Object.keys(frame.node.edges),nLen=nEdges.length
for(var q=0;q<qLen;q++){var qEdge=qEdges[q]
for(var n=0;n<nLen;n++){var nEdge=nEdges[n]
if(nEdge==qEdge||qEdge=='*'){var node=frame.node.edges[nEdge],qNode=frame.qNode.edges[qEdge],final=node.final&&qNode.final,next=undefined
if(nEdge in frame.output.edges){next=frame.output.edges[nEdge]
next.final=next.final||final}else{next=new lunr.TokenSet
next.final=final
frame.output.edges[nEdge]=next}
stack.push({qNode:qNode,output:next,node:node})}}}}
return output}
lunr.TokenSet.Builder=function(){this.previousWord=""
this.root=new lunr.TokenSet
this.uncheckedNodes=[]
this.minimizedNodes={}}
lunr.TokenSet.Builder.prototype.insert=function(word){var node,commonPrefix=0
if(word<this.previousWord){throw new Error("Out of order word insertion")}
for(var i=0;i<word.length&&i<this.previousWord.length;i++){if(word[i]!=this.previousWord[i])break
commonPrefix++}
this.minimize(commonPrefix)
if(this.uncheckedNodes.length==0){node=this.root}else{node=this.uncheckedNodes[this.uncheckedNodes.length-1].child}
for(var i=commonPrefix;i<word.length;i++){var nextNode=new lunr.TokenSet,char=word[i]
node.edges[char]=nextNode
this.uncheckedNodes.push({parent:node,char:char,child:nextNode})
node=nextNode}
node.final=true
this.previousWord=word}
lunr.TokenSet.Builder.prototype.finish=function(){this.minimize(0)}
lunr.TokenSet.Builder.prototype.minimize=function(downTo){for(var i=this.uncheckedNodes.length-1;i>=downTo;i--){var node=this.uncheckedNodes[i],childKey=node.child.toString()
if(childKey in this.minimizedNodes){node.parent.edges[node.char]=this.minimizedNodes[childKey]}else{node.child._str=childKey
this.minimizedNodes[childKey]=node.child}
this.uncheckedNodes.pop()}}/*!
* lunr.Index
* Copyright (C) 2019 Oliver Nightingale
*/
lunr.Index=function(attrs){this.invertedIndex=attrs.invertedIndex
this.fieldVectors=attrs.fieldVectors
this.tokenSet=attrs.tokenSet
this.fields=attrs.fields
this.pipeline=attrs.pipeline}
lunr.Index.prototype.search=function(queryString){return this.query(function(query){var parser=new lunr.QueryParser(queryString,query)
parser.parse()})}
lunr.Index.prototype.query=function(fn){var query=new lunr.Query(this.fields),matchingFields=Object.create(null),queryVectors=Object.create(null),termFieldCache=Object.create(null),requiredMatches=Object.create(null),prohibitedMatches=Object.create(null)
for(var i=0;i<this.fields.length;i++){queryVectors[this.fields[i]]=new lunr.Vector}
fn.call(query,query)
for(var i=0;i<query.clauses.length;i++){var clause=query.clauses[i],terms=null,clauseMatches=lunr.Set.complete
if(clause.usePipeline){terms=this.pipeline.runString(clause.term,{fields:clause.fields})}else{terms=[clause.term]}
for(var m=0;m<terms.length;m++){var term=terms[m]
clause.term=term
var termTokenSet=lunr.TokenSet.fromClause(clause),expandedTerms=this.tokenSet.intersect(termTokenSet).toArray()
if(expandedTerms.length===0&&clause.presence===lunr.Query.presence.REQUIRED){for(var k=0;k<clause.fields.length;k++){var field=clause.fields[k]
requiredMatches[field]=lunr.Set.empty}
break}
for(var j=0;j<expandedTerms.length;j++){var expandedTerm=expandedTerms[j],posting=this.invertedIndex[expandedTerm],termIndex=posting._index
for(var k=0;k<clause.fields.length;k++){var field=clause.fields[k],fieldPosting=posting[field],matchingDocumentRefs=Object.keys(fieldPosting),termField=expandedTerm+"/"+field,matchingDocumentsSet=new lunr.Set(matchingDocumentRefs)
if(clause.presence==lunr.Query.presence.REQUIRED){clauseMatches=clauseMatches.union(matchingDocumentsSet)
if(requiredMatches[field]===undefined){requiredMatches[field]=lunr.Set.complete}}
if(clause.presence==lunr.Query.presence.PROHIBITED){if(prohibitedMatches[field]===undefined){prohibitedMatches[field]=lunr.Set.empty}
prohibitedMatches[field]=prohibitedMatches[field].union(matchingDocumentsSet)
continue}
queryVectors[field].upsert(termIndex,clause.boost,function(a,b){return a+b})
if(termFieldCache[termField]){continue}
for(var l=0;l<matchingDocumentRefs.length;l++){var matchingDocumentRef=matchingDocumentRefs[l],matchingFieldRef=new lunr.FieldRef(matchingDocumentRef,field),metadata=fieldPosting[matchingDocumentRef],fieldMatch
if((fieldMatch=matchingFields[matchingFieldRef])===undefined){matchingFields[matchingFieldRef]=new lunr.MatchData(expandedTerm,field,metadata)}else{fieldMatch.add(expandedTerm,field,metadata)}}
termFieldCache[termField]=true}}}
if(clause.presence===lunr.Query.presence.REQUIRED){for(var k=0;k<clause.fields.length;k++){var field=clause.fields[k]
requiredMatches[field]=requiredMatches[field].intersect(clauseMatches)}}}
var allRequiredMatches=lunr.Set.complete,allProhibitedMatches=lunr.Set.empty
for(var i=0;i<this.fields.length;i++){var field=this.fields[i]
if(requiredMatches[field]){allRequiredMatches=allRequiredMatches.intersect(requiredMatches[field])}
if(prohibitedMatches[field]){allProhibitedMatches=allProhibitedMatches.union(prohibitedMatches[field])}}
var matchingFieldRefs=Object.keys(matchingFields),results=[],matches=Object.create(null)
if(query.isNegated()){matchingFieldRefs=Object.keys(this.fieldVectors)
for(var i=0;i<matchingFieldRefs.length;i++){var matchingFieldRef=matchingFieldRefs[i]
var fieldRef=lunr.FieldRef.fromString(matchingFieldRef)
matchingFields[matchingFieldRef]=new lunr.MatchData}}
for(var i=0;i<matchingFieldRefs.length;i++){var fieldRef=lunr.FieldRef.fromString(matchingFieldRefs[i]),docRef=fieldRef.docRef
if(!allRequiredMatches.contains(docRef)){continue}
if(allProhibitedMatches.contains(docRef)){continue}
var fieldVector=this.fieldVectors[fieldRef],score=queryVectors[fieldRef.fieldName].similarity(fieldVector),docMatch
if((docMatch=matches[docRef])!==undefined){docMatch.score+=score
docMatch.matchData.combine(matchingFields[fieldRef])}else{var match={ref:docRef,score:score,matchData:matchingFields[fieldRef]}
matches[docRef]=match
results.push(match)}}
return results.sort(function(a,b){return b.score-a.score})}
lunr.Index.prototype.toJSON=function(){var invertedIndex=Object.keys(this.invertedIndex).sort().map(function(term){return[term,this.invertedIndex[term]]},this)
var fieldVectors=Object.keys(this.fieldVectors).map(function(ref){return[ref,this.fieldVectors[ref].toJSON()]},this)
return{version:lunr.version,fields:this.fields,fieldVectors:fieldVectors,invertedIndex:invertedIndex,pipeline:this.pipeline.toJSON()}}
lunr.Index.load=function(serializedIndex){var attrs={},fieldVectors={},serializedVectors=serializedIndex.fieldVectors,invertedIndex=Object.create(null),serializedInvertedIndex=serializedIndex.invertedIndex,tokenSetBuilder=new lunr.TokenSet.Builder,pipeline=lunr.Pipeline.load(serializedIndex.pipeline)
if(serializedIndex.version!=lunr.version){lunr.utils.warn("Version mismatch when loading serialised index. Current version of lunr '"+lunr.version+"' does not match serialized index '"+serializedIndex.version+"'")}
for(var i=0;i<serializedVectors.length;i++){var tuple=serializedVectors[i],ref=tuple[0],elements=tuple[1]
fieldVectors[ref]=new lunr.Vector(elements)}
for(var i=0;i<serializedInvertedIndex.length;i++){var tuple=serializedInvertedIndex[i],term=tuple[0],posting=tuple[1]
tokenSetBuilder.insert(term)
invertedIndex[term]=posting}
tokenSetBuilder.finish()
attrs.fields=serializedIndex.fields
attrs.fieldVectors=fieldVectors
attrs.invertedIndex=invertedIndex
attrs.tokenSet=tokenSetBuilder.root
attrs.pipeline=pipeline
return new lunr.Index(attrs)}/*!
* lunr.Builder
* Copyright (C) 2019 Oliver Nightingale
*/
lunr.Builder=function(){this._ref="id"
this._fields=Object.create(null)
this._documents=Object.create(null)
this.invertedIndex=Object.create(null)
this.fieldTermFrequencies={}
this.fieldLengths={}
this.tokenizer=lunr.tokenizer
this.pipeline=new lunr.Pipeline
this.searchPipeline=new lunr.Pipeline
this.documentCount=0
this._b=0.75
this._k1=1.2
this.termIndex=0
this.metadataWhitelist=[]}
lunr.Builder.prototype.ref=function(ref){this._ref=ref}
lunr.Builder.prototype.field=function(fieldName,attributes){if(/\//.test(fieldName)){throw new RangeError("Field '"+fieldName+"' contains illegal character '/'")}
this._fields[fieldName]=attributes||{}}
lunr.Builder.prototype.b=function(number){if(number<0){this._b=0}else if(number>1){this._b=1}else{this._b=number}}
lunr.Builder.prototype.k1=function(number){this._k1=number}
lunr.Builder.prototype.add=function(doc,attributes){var docRef=doc[this._ref],fields=Object.keys(this._fields)
this._documents[docRef]=attributes||{}
this.documentCount+=1
for(var i=0;i<fields.length;i++){var fieldName=fields[i],extractor=this._fields[fieldName].extractor,field=extractor?extractor(doc):doc[fieldName],tokens=this.tokenizer(field,{fields:[fieldName]}),terms=this.pipeline.run(tokens),fieldRef=new lunr.FieldRef(docRef,fieldName),fieldTerms=Object.create(null)
this.fieldTermFrequencies[fieldRef]=fieldTerms
this.fieldLengths[fieldRef]=0
this.fieldLengths[fieldRef]+=terms.length
for(var j=0;j<terms.length;j++){var term=terms[j]
if(fieldTerms[term]==undefined){fieldTerms[term]=0}
fieldTerms[term]+=1
if(this.invertedIndex[term]==undefined){var posting=Object.create(null)
posting["_index"]=this.termIndex
this.termIndex+=1
for(var k=0;k<fields.length;k++){posting[fields[k]]=Object.create(null)}
this.invertedIndex[term]=posting}
if(this.invertedIndex[term][fieldName][docRef]==undefined){this.invertedIndex[term][fieldName][docRef]=Object.create(null)}
for(var l=0;l<this.metadataWhitelist.length;l++){var metadataKey=this.metadataWhitelist[l],metadata=term.metadata[metadataKey]
if(this.invertedIndex[term][fieldName][docRef][metadataKey]==undefined){this.invertedIndex[term][fieldName][docRef][metadataKey]=[]}
this.invertedIndex[term][fieldName][docRef][metadataKey].push(metadata)}}}}
lunr.Builder.prototype.calculateAverageFieldLengths=function(){var fieldRefs=Object.keys(this.fieldLengths),numberOfFields=fieldRefs.length,accumulator={},documentsWithField={}
for(var i=0;i<numberOfFields;i++){var fieldRef=lunr.FieldRef.fromString(fieldRefs[i]),field=fieldRef.fieldName
documentsWithField[field]||(documentsWithField[field]=0)
documentsWithField[field]+=1
accumulator[field]||(accumulator[field]=0)
accumulator[field]+=this.fieldLengths[fieldRef]}
var fields=Object.keys(this._fields)
for(var i=0;i<fields.length;i++){var fieldName=fields[i]
accumulator[fieldName]=accumulator[fieldName]/documentsWithField[fieldName]}
this.averageFieldLength=accumulator}
lunr.Builder.prototype.createFieldVectors=function(){var fieldVectors={},fieldRefs=Object.keys(this.fieldTermFrequencies),fieldRefsLength=fieldRefs.length,termIdfCache=Object.create(null)
for(var i=0;i<fieldRefsLength;i++){var fieldRef=lunr.FieldRef.fromString(fieldRefs[i]),fieldName=fieldRef.fieldName,fieldLength=this.fieldLengths[fieldRef],fieldVector=new lunr.Vector,termFrequencies=this.fieldTermFrequencies[fieldRef],terms=Object.keys(termFrequencies),termsLength=terms.length
var fieldBoost=this._fields[fieldName].boost||1,docBoost=this._documents[fieldRef.docRef].boost||1
for(var j=0;j<termsLength;j++){var term=terms[j],tf=termFrequencies[term],termIndex=this.invertedIndex[term]._index,idf,score,scoreWithPrecision
if(termIdfCache[term]===undefined){idf=lunr.idf(this.invertedIndex[term],this.documentCount)
termIdfCache[term]=idf}else{idf=termIdfCache[term]}
score=idf*((this._k1+1)*tf)/(this._k1*(1-this._b+this._b*(fieldLength/this.averageFieldLength[fieldName]))+tf)
score*=fieldBoost
score*=docBoost
scoreWithPrecision=Math.round(score*1000)/1000
fieldVector.insert(termIndex,scoreWithPrecision)}
fieldVectors[fieldRef]=fieldVector}
this.fieldVectors=fieldVectors}
lunr.Builder.prototype.createTokenSet=function(){this.tokenSet=lunr.TokenSet.fromArray(Object.keys(this.invertedIndex).sort())}
lunr.Builder.prototype.build=function(){this.calculateAverageFieldLengths()
this.createFieldVectors()
this.createTokenSet()
return new lunr.Index({invertedIndex:this.invertedIndex,fieldVectors:this.fieldVectors,tokenSet:this.tokenSet,fields:Object.keys(this._fields),pipeline:this.searchPipeline})}
lunr.Builder.prototype.use=function(fn){var args=Array.prototype.slice.call(arguments,1)
args.unshift(this)
fn.apply(this,args)}
lunr.MatchData=function(term,field,metadata){var clonedMetadata=Object.create(null),metadataKeys=Object.keys(metadata||{})
for(var i=0;i<metadataKeys.length;i++){var key=metadataKeys[i]
clonedMetadata[key]=metadata[key].slice()}
this.metadata=Object.create(null)
if(term!==undefined){this.metadata[term]=Object.create(null)
this.metadata[term][field]=clonedMetadata}}
lunr.MatchData.prototype.combine=function(otherMatchData){var terms=Object.keys(otherMatchData.metadata)
for(var i=0;i<terms.length;i++){var term=terms[i],fields=Object.keys(otherMatchData.metadata[term])
if(this.metadata[term]==undefined){this.metadata[term]=Object.create(null)}
for(var j=0;j<fields.length;j++){var field=fields[j],keys=Object.keys(otherMatchData.metadata[term][field])
if(this.metadata[term][field]==undefined){this.metadata[term][field]=Object.create(null)}
for(var k=0;k<keys.length;k++){var key=keys[k]
if(this.metadata[term][field][key]==undefined){this.metadata[term][field][key]=otherMatchData.metadata[term][field][key]}else{this.metadata[term][field][key]=this.metadata[term][field][key].concat(otherMatchData.metadata[term][field][key])}}}}}
lunr.MatchData.prototype.add=function(term,field,metadata){if(!(term in this.metadata)){this.metadata[term]=Object.create(null)
this.metadata[term][field]=metadata
return}
if(!(field in this.metadata[term])){this.metadata[term][field]=metadata
return}
var metadataKeys=Object.keys(metadata)
for(var i=0;i<metadataKeys.length;i++){var key=metadataKeys[i]
if(key in this.metadata[term][field]){this.metadata[term][field][key]=this.metadata[term][field][key].concat(metadata[key])}else{this.metadata[term][field][key]=metadata[key]}}}
lunr.Query=function(allFields){this.clauses=[]
this.allFields=allFields}
lunr.Query.wildcard=new String("*")
lunr.Query.wildcard.NONE=0
lunr.Query.wildcard.LEADING=1
lunr.Query.wildcard.TRAILING=2
lunr.Query.presence={OPTIONAL:1,REQUIRED:2,PROHIBITED:3}
lunr.Query.prototype.clause=function(clause){if(!('fields'in clause)){clause.fields=this.allFields}
if(!('boost'in clause)){clause.boost=1}
if(!('usePipeline'in clause)){clause.usePipeline=true}
if(!('wildcard'in clause)){clause.wildcard=lunr.Query.wildcard.NONE}
if((clause.wildcard&lunr.Query.wildcard.LEADING)&&(clause.term.charAt(0)!=lunr.Query.wildcard)){clause.term="*"+clause.term}
if((clause.wildcard&lunr.Query.wildcard.TRAILING)&&(clause.term.slice(-1)!=lunr.Query.wildcard)){clause.term=""+clause.term+"*"}
if(!('presence'in clause)){clause.presence=lunr.Query.presence.OPTIONAL}
this.clauses.push(clause)
return this}
lunr.Query.prototype.isNegated=function(){for(var i=0;i<this.clauses.length;i++){if(this.clauses[i].presence!=lunr.Query.presence.PROHIBITED){return false}}
return true}
lunr.Query.prototype.term=function(term,options){if(Array.isArray(term)){term.forEach(function(t){this.term(t,lunr.utils.clone(options))},this)
return this}
var clause=options||{}
clause.term=term.toString()
this.clause(clause)
return this}
lunr.QueryParseError=function(message,start,end){this.name="QueryParseError"
this.message=message
this.start=start
this.end=end}
lunr.QueryParseError.prototype=new Error
lunr.QueryLexer=function(str){this.lexemes=[]
this.str=str
this.length=str.length
this.pos=0
this.start=0
this.escapeCharPositions=[]}
lunr.QueryLexer.prototype.run=function(){var state=lunr.QueryLexer.lexText
while(state){state=state(this)}}
lunr.QueryLexer.prototype.sliceString=function(){var subSlices=[],sliceStart=this.start,sliceEnd=this.pos
for(var i=0;i<this.escapeCharPositions.length;i++){sliceEnd=this.escapeCharPositions[i]
subSlices.push(this.str.slice(sliceStart,sliceEnd))
sliceStart=sliceEnd+1}
subSlices.push(this.str.slice(sliceStart,this.pos))
this.escapeCharPositions.length=0
return subSlices.join('')}
lunr.QueryLexer.prototype.emit=function(type){this.lexemes.push({type:type,str:this.sliceString(),start:this.start,end:this.pos})
this.start=this.pos}
lunr.QueryLexer.prototype.escapeCharacter=function(){this.escapeCharPositions.push(this.pos-1)
this.pos+=1}
lunr.QueryLexer.prototype.next=function(){if(this.pos>=this.length){return lunr.QueryLexer.EOS}
var char=this.str.charAt(this.pos)
this.pos+=1
return char}
lunr.QueryLexer.prototype.width=function(){return this.pos-this.start}
lunr.QueryLexer.prototype.ignore=function(){if(this.start==this.pos){this.pos+=1}
this.start=this.pos}
lunr.QueryLexer.prototype.backup=function(){this.pos-=1}
lunr.QueryLexer.prototype.acceptDigitRun=function(){var char,charCode
do{char=this.next()
charCode=char.charCodeAt(0)}while(charCode>47&&charCode<58)
if(char!=lunr.QueryLexer.EOS){this.backup()}}
lunr.QueryLexer.prototype.more=function(){return this.pos<this.length}
lunr.QueryLexer.EOS='EOS'
lunr.QueryLexer.FIELD='FIELD'
lunr.QueryLexer.TERM='TERM'
lunr.QueryLexer.EDIT_DISTANCE='EDIT_DISTANCE'
lunr.QueryLexer.BOOST='BOOST'
lunr.QueryLexer.PRESENCE='PRESENCE'
lunr.QueryLexer.lexField=function(lexer){lexer.backup()
lexer.emit(lunr.QueryLexer.FIELD)
lexer.ignore()
return lunr.QueryLexer.lexText}
lunr.QueryLexer.lexTerm=function(lexer){if(lexer.width()>1){lexer.backup()
lexer.emit(lunr.QueryLexer.TERM)}
lexer.ignore()
if(lexer.more()){return lunr.QueryLexer.lexText}}
lunr.QueryLexer.lexEditDistance=function(lexer){lexer.ignore()
lexer.acceptDigitRun()
lexer.emit(lunr.QueryLexer.EDIT_DISTANCE)
return lunr.QueryLexer.lexText}
lunr.QueryLexer.lexBoost=function(lexer){lexer.ignore()
lexer.acceptDigitRun()
lexer.emit(lunr.QueryLexer.BOOST)
return lunr.QueryLexer.lexText}
lunr.QueryLexer.lexEOS=function(lexer){if(lexer.width()>0){lexer.emit(lunr.QueryLexer.TERM)}}
lunr.QueryLexer.termSeparator=lunr.tokenizer.separator
lunr.QueryLexer.lexText=function(lexer){while(true){var char=lexer.next()
if(char==lunr.QueryLexer.EOS){return lunr.QueryLexer.lexEOS}
if(char.charCodeAt(0)==92){lexer.escapeCharacter()
continue}
if(char==":"){return lunr.QueryLexer.lexField}
if(char=="~"){lexer.backup()
if(lexer.width()>0){lexer.emit(lunr.QueryLexer.TERM)}
return lunr.QueryLexer.lexEditDistance}
if(char=="^"){lexer.backup()
if(lexer.width()>0){lexer.emit(lunr.QueryLexer.TERM)}
return lunr.QueryLexer.lexBoost}
if(char=="+"&&lexer.width()===1){lexer.emit(lunr.QueryLexer.PRESENCE)
return lunr.QueryLexer.lexText}
if(char=="-"&&lexer.width()===1){lexer.emit(lunr.QueryLexer.PRESENCE)
return lunr.QueryLexer.lexText}
if(char.match(lunr.QueryLexer.termSeparator)){return lunr.QueryLexer.lexTerm}}}
lunr.QueryParser=function(str,query){this.lexer=new lunr.QueryLexer(str)
this.query=query
this.currentClause={}
this.lexemeIdx=0}
lunr.QueryParser.prototype.parse=function(){this.lexer.run()
this.lexemes=this.lexer.lexemes
var state=lunr.QueryParser.parseClause
while(state){state=state(this)}
return this.query}
lunr.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]}
lunr.QueryParser.prototype.consumeLexeme=function(){var lexeme=this.peekLexeme()
this.lexemeIdx+=1
return lexeme}
lunr.QueryParser.prototype.nextClause=function(){var completedClause=this.currentClause
this.query.clause(completedClause)
this.currentClause={}}
lunr.QueryParser.parseClause=function(parser){var lexeme=parser.peekLexeme()
if(lexeme==undefined){return}
switch(lexeme.type){case lunr.QueryLexer.PRESENCE:return lunr.QueryParser.parsePresence
case lunr.QueryLexer.FIELD:return lunr.QueryParser.parseField
case lunr.QueryLexer.TERM:return lunr.QueryParser.parseTerm
default:var errorMessage="expected either a field or a term, found "+lexeme.type
if(lexeme.str.length>=1){errorMessage+=" with value '"+lexeme.str+"'"}
throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}}
lunr.QueryParser.parsePresence=function(parser){var lexeme=parser.consumeLexeme()
if(lexeme==undefined){return}
switch(lexeme.str){case "-":parser.currentClause.presence=lunr.Query.presence.PROHIBITED
break
case "+":parser.currentClause.presence=lunr.Query.presence.REQUIRED
break
default:var errorMessage="unrecognised presence operator'"+lexeme.str+"'"
throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}
var nextLexeme=parser.peekLexeme()
if(nextLexeme==undefined){var errorMessage="expecting term or field, found nothing"
throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}
switch(nextLexeme.type){case lunr.QueryLexer.FIELD:return lunr.QueryParser.parseField
case lunr.QueryLexer.TERM:return lunr.QueryParser.parseTerm
default:var errorMessage="expecting term or field, found '"+nextLexeme.type+"'"
throw new lunr.QueryParseError(errorMessage,nextLexeme.start,nextLexeme.end)}}
lunr.QueryParser.parseField=function(parser){var lexeme=parser.consumeLexeme()
if(lexeme==undefined){return}
if(parser.query.allFields.indexOf(lexeme.str)==-1){var possibleFields=parser.query.allFields.map(function(f){return "'"+f+"'"}).join(', '),errorMessage="unrecognised field '"+lexeme.str+"', possible fields: "+possibleFields
throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}
parser.currentClause.fields=[lexeme.str]
var nextLexeme=parser.peekLexeme()
if(nextLexeme==undefined){var errorMessage="expecting term, found nothing"
throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}
switch(nextLexeme.type){case lunr.QueryLexer.TERM:return lunr.QueryParser.parseTerm
default:var errorMessage="expecting term, found '"+nextLexeme.type+"'"
throw new lunr.QueryParseError(errorMessage,nextLexeme.start,nextLexeme.end)}}
lunr.QueryParser.parseTerm=function(parser){var lexeme=parser.consumeLexeme()
if(lexeme==undefined){return}
parser.currentClause.term=lexeme.str.toLowerCase()
if(lexeme.str.indexOf("*")!=-1){parser.currentClause.usePipeline=false}
var nextLexeme=parser.peekLexeme()
if(nextLexeme==undefined){parser.nextClause()
return}
switch(nextLexeme.type){case lunr.QueryLexer.TERM:parser.nextClause()
return lunr.QueryParser.parseTerm
case lunr.QueryLexer.FIELD:parser.nextClause()
return lunr.QueryParser.parseField
case lunr.QueryLexer.EDIT_DISTANCE:return lunr.QueryParser.parseEditDistance
case lunr.QueryLexer.BOOST:return lunr.QueryParser.parseBoost
case lunr.QueryLexer.PRESENCE:parser.nextClause()
return lunr.QueryParser.parsePresence
default:var errorMessage="Unexpected lexeme type '"+nextLexeme.type+"'"
throw new lunr.QueryParseError(errorMessage,nextLexeme.start,nextLexeme.end)}}
lunr.QueryParser.parseEditDistance=function(parser){var lexeme=parser.consumeLexeme()
if(lexeme==undefined){return}
var editDistance=parseInt(lexeme.str,10)
if(isNaN(editDistance)){var errorMessage="edit distance must be numeric"
throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}
parser.currentClause.editDistance=editDistance
var nextLexeme=parser.peekLexeme()
if(nextLexeme==undefined){parser.nextClause()
return}
switch(nextLexeme.type){case lunr.QueryLexer.TERM:parser.nextClause()
return lunr.QueryParser.parseTerm
case lunr.QueryLexer.FIELD:parser.nextClause()
return lunr.QueryParser.parseField
case lunr.QueryLexer.EDIT_DISTANCE:return lunr.QueryParser.parseEditDistance
case lunr.QueryLexer.BOOST:return lunr.QueryParser.parseBoost
case lunr.QueryLexer.PRESENCE:parser.nextClause()
return lunr.QueryParser.parsePresence
default:var errorMessage="Unexpected lexeme type '"+nextLexeme.type+"'"
throw new lunr.QueryParseError(errorMessage,nextLexeme.start,nextLexeme.end)}}
lunr.QueryParser.parseBoost=function(parser){var lexeme=parser.consumeLexeme()
if(lexeme==undefined){return}
var boost=parseInt(lexeme.str,10)
if(isNaN(boost)){var errorMessage="boost must be numeric"
throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}
parser.currentClause.boost=boost
var nextLexeme=parser.peekLexeme()
if(nextLexeme==undefined){parser.nextClause()
return}
switch(nextLexeme.type){case lunr.QueryLexer.TERM:parser.nextClause()
return lunr.QueryParser.parseTerm
case lunr.QueryLexer.FIELD:parser.nextClause()
return lunr.QueryParser.parseField
case lunr.QueryLexer.EDIT_DISTANCE:return lunr.QueryParser.parseEditDistance
case lunr.QueryLexer.BOOST:return lunr.QueryParser.parseBoost
case lunr.QueryLexer.PRESENCE:parser.nextClause()
return lunr.QueryParser.parsePresence
default:var errorMessage="Unexpected lexeme type '"+nextLexeme.type+"'"
throw new lunr.QueryParseError(errorMessage,nextLexeme.start,nextLexeme.end)}};(function(root,factory){if(typeof define==='function'&&define.amd){define(factory)}else if(typeof exports==='object'){module.exports=factory()}else{root.lunr=factory()}}(this,function(){return lunr}))})();let lunrIndex
let lunrResult
let pagesIndex
const bigramTokeniser=(obj,metadata)=>{if(obj==null||obj===undefined){return[]}
if(Array.isArray(obj)){return obj.map((t)=>{return new lunr.Token(lunr.utils.asString(t).toLowerCase(),lunr.utils.clone(metadata))})}
let str=obj.toString().trim().toLowerCase()
let tokens=[]
for(let i=0;i<=str.length-2;i++){const tokenMetadata=lunr.utils.clone(metadata)||{}
tokenMetadata['position']=[i,i+2]
tokenMetadata['index']=tokens.length
tokens.push(new lunr.Token(str.slice(i,i+2),tokenMetadata))}
return tokens}
const queryNgramSeparator=(query)=>{const str=query.toString().trim().toLowerCase()
const tokens=[]
for(let i=0;i<=str.length-2;i++){tokens.push(str.slice(i,i+2))}
return tokens.join(' ')}
const initLunr=()=>{$.getJSON('index.json').done((index)=>{pagesIndex=index
lunrIndex=lunr(builder=>{builder.tokenizer=bigramTokeniser
builder.pipeline.reset()
builder.ref('ref')
builder.field('title',{boost:10})
builder.field('body')
builder.metadataWhitelist=['position']
for(let page of pagesIndex){builder.add(page)}})}).fail((jqxhr,textStatus,error)=>{const err=textStatus+', '+error
console.error('Error getting Hugo index flie:',err)})}
const search=(query)=>{lunrResult=lunrIndex.search(queryNgramSeparator(query))
return lunrResult.map((result)=>{return pagesIndex.filter((page)=>{return page.ref===result.ref})[0]})}
const initUI=()=>{$('#searchBoxIcon').click(()=>{$('#searchBoxInput').val('')
$('#searchBoxInput').trigger('keyup')})
$('#searchBoxInput').keyup(event=>{const $searchResults=$('#searchResults')
const query=$(event.currentTarget).val()
if(query.length){$('#searchBoxIcon').attr('src','../img/clear.png')
$('#searchBoxIcon').css('cursor','pointer')}else{$('#searchBoxIcon').attr('src','../img/search.png')
$('#searchBoxIcon').css('cursor','default')}
if(query.length<2){$searchResults.hide()
return}
renderResults(search(query))
$searchResults.show()})
$('#searchBoxInput').trigger('keyup')}
const renderResults=(results)=>{const $searchResults=$('#searchResults')
const query=$('#searchBoxInput').val()
const BODY_LENGTH=100
const MAX_PAGES=10
$searchResults.empty()
if(!results.length){$searchResults.append('<div class="searchResultPage">No results found for query "'+query+'"</div>')
return}
results.slice(0,MAX_PAGES).forEach((result,idx)=>{const $searchResultPage=$('<div class="searchResultPage">')
const metadata=lunrResult[idx].matchData.metadata
const matchPosition=metadata[Object.keys(metadata)[0]].body?metadata[Object.keys(metadata)[0]].body.position[0][0]:0
const bodyStartPosition=(matchPosition-(BODY_LENGTH/2)>0)?matchPosition-(BODY_LENGTH/2):0
$searchResultPage.append('<a class="searchResultTitle" href="'+result.ref+'">'+result.title+'</a>')
$searchResultPage.append('<div class="searchResultBody">'+result.body.substr(bodyStartPosition,BODY_LENGTH)+'</div>')
$searchResults.append($searchResultPage)
$('#searchResults').mark(query)})}
initLunr()
$(()=>{initUI()})
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