mkdocs-material/material/assets/javascripts/application-e4e6991dc0.js

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	  *
	  * @codingstandard ftlabs-jsv2
	  * @copyright The Financial Times Limited [All Rights Reserved]
	  * @license MIT License (see LICENSE.txt)
	  */
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	   * lunr.utils
	   * Copyright (C) 2016 Oliver Nightingale
	   */
i.utils={},i.utils.warn=function(e){return function(t){e.console&&console.warn&&console.warn(t)}}(this),i.utils.asString=function(e){return void 0===e||null===e?"":e.toString()},/*!
	   * lunr.EventEmitter
	   * Copyright (C) 2016 Oliver Nightingale
	   */
i.EventEmitter=function(){this.events={}},i.EventEmitter.prototype.addListener=function(){var e=Array.prototype.slice.call(arguments),t=e.pop(),n=e;if("function"!=typeof t)throw new TypeError("last argument must be a function");n.forEach(function(e){this.hasHandler(e)||(this.events[e]=[]),this.events[e].push(t)},this)},i.EventEmitter.prototype.removeListener=function(e,t){if(this.hasHandler(e)){var n=this.events[e].indexOf(t);this.events[e].splice(n,1),this.events[e].length||delete this.events[e]}},i.EventEmitter.prototype.emit=function(e){if(this.hasHandler(e)){var t=Array.prototype.slice.call(arguments,1);this.events[e].forEach(function(e){e.apply(void 0,t)})}},i.EventEmitter.prototype.hasHandler=function(e){return e in this.events},/*!
	   * lunr.tokenizer
	   * Copyright (C) 2016 Oliver Nightingale
	   */
i.tokenizer=function(e){return arguments.length&&null!=e&&void 0!=e?Array.isArray(e)?e.map(function(e){return i.utils.asString(e).toLowerCase()}):e.toString().trim().toLowerCase().split(i.tokenizer.seperator):[]},i.tokenizer.seperator=/[\s\-]+/,i.tokenizer.load=function(e){var t=this.registeredFunctions[e];if(!t)throw new Error("Cannot load un-registered function: "+e);return t},i.tokenizer.label="default",i.tokenizer.registeredFunctions={"default":i.tokenizer},i.tokenizer.registerFunction=function(e,t){t in this.registeredFunctions&&i.utils.warn("Overwriting existing tokenizer: "+t),e.label=t,this.registeredFunctions[t]=e},/*!
	   * lunr.Pipeline
	   * Copyright (C) 2016 Oliver Nightingale
	   */
i.Pipeline=function(){this._stack=[]},i.Pipeline.registeredFunctions={},i.Pipeline.registerFunction=function(e,t){t in this.registeredFunctions&&i.utils.warn("Overwriting existing registered function: "+t),e.label=t,i.Pipeline.registeredFunctions[e.label]=e},i.Pipeline.warnIfFunctionNotRegistered=function(e){var t=e.label&&e.label in this.registeredFunctions;t||i.utils.warn("Function is not registered with pipeline. This may cause problems when serialising the index.\n",e)},i.Pipeline.load=function(e){var t=new i.Pipeline;return e.forEach(function(e){var n=i.Pipeline.registeredFunctions[e];if(!n)throw new Error("Cannot load un-registered function: "+e);t.add(n)}),t},i.Pipeline.prototype.add=function(){var e=Array.prototype.slice.call(arguments);e.forEach(function(e){i.Pipeline.warnIfFunctionNotRegistered(e),this._stack.push(e)},this)},i.Pipeline.prototype.after=function(e,t){i.Pipeline.warnIfFunctionNotRegistered(t);var n=this._stack.indexOf(e);if(n==-1)throw new Error("Cannot find existingFn");n+=1,this._stack.splice(n,0,t)},i.Pipeline.prototype.before=function(e,t){i.Pipeline.warnIfFunctionNotRegistered(t);var n=this._stack.indexOf(e);if(n==-1)throw new Error("Cannot find existingFn");this._stack.splice(n,0,t)},i.Pipeline.prototype.remove=function(e){var t=this._stack.indexOf(e);t!=-1&&this._stack.splice(t,1)},i.Pipeline.prototype.run=function(e){for(var t=[],n=e.length,r=this._stack.length,o=0;o<n;o++){for(var i=e[o],a=0;a<r&&(i=this._stack[a](i,o,e),void 0!==i&&""!==i);a++);void 0!==i&&""!==i&&t.push(i)}return t},i.Pipeline.prototype.reset=function(){this._stack=[]},i.Pipeline.prototype.toJSON=function(){return this._stack.map(function(e){return i.Pipeline.warnIfFunctionNotRegistered(e),e.label})},/*!
	   * lunr.Vector
	   * Copyright (C) 2016 Oliver Nightingale
	   */
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	   * lunr.SortedSet
	   * Copyright (C) 2016 Oliver Nightingale
	   */
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	   * lunr.Index
	   * Copyright (C) 2016 Oliver Nightingale
	   */
i.Index=function(){this._fields=[],this._ref="id",this.pipeline=new i.Pipeline,this.documentStore=new i.Store,this.tokenStore=new i.TokenStore,this.corpusTokens=new i.SortedSet,this.eventEmitter=new i.EventEmitter,this.tokenizerFn=i.tokenizer,this._idfCache={},this.on("add","remove","update",function(){this._idfCache={}}.bind(this))},i.Index.prototype.on=function(){var e=Array.prototype.slice.call(arguments);return this.eventEmitter.addListener.apply(this.eventEmitter,e)},i.Index.prototype.off=function(e,t){return this.eventEmitter.removeListener(e,t)},i.Index.load=function(e){e.version!==i.version&&i.utils.warn("version mismatch: current "+i.version+" importing "+e.version);var t=new this;return t._fields=e.fields,t._ref=e.ref,t.tokenizer=i.tokenizer.load(e.tokenizer),t.documentStore=i.Store.load(e.documentStore),t.tokenStore=i.TokenStore.load(e.tokenStore),t.corpusTokens=i.SortedSet.load(e.corpusTokens),t.pipeline=i.Pipeline.load(e.pipeline),t},i.Index.prototype.field=function(e,t){var t=t||{},n={name:e,boost:t.boost||1};return this._fields.push(n),this},i.Index.prototype.ref=function(e){return this._ref=e,this},i.Index.prototype.tokenizer=function(e){var t=e.label&&e.label in i.tokenizer.registeredFunctions;return t||i.utils.warn("Function is not a registered tokenizer. This may cause problems when serialising the index"),this.tokenizerFn=e,this},i.Index.prototype.add=function(e,t){var n={},r=new i.SortedSet,o=e[this._ref],t=void 0===t||t;this._fields.forEach(function(t){var o=this.pipeline.run(this.tokenizerFn(e[t.name]));n[t.name]=o;for(var i=0;i<o.length;i++){var a=o[i];r.add(a),this.corpusTokens.add(a)}},this),this.documentStore.set(o,r);for(var a=0;a<r.length;a++){for(var s=r.elements[a],u=0,l=0;l<this._fields.length;l++){var c=this._fields[l],f=n[c.name],d=f.length;if(d){for(var h=0,p=0;p<d;p++)f[p]===s&&h++;u+=h/d*c.boost}}this.tokenStore.add(s,{ref:o,tf:u})}t&&this.eventEmitter.emit("add",e,this)},i.Index.prototype.remove=function(e,t){var n=e[this._ref],t=void 0===t||t;if(this.documentStore.has(n)){var r=this.documentStore.get(n);this.documentStore.remove(n),r.forEach(function(e){this.tokenStore.remove(e,n)},this),t&&this.eventEmitter.emit("remove",e,this)}},i.Index.prototype.update=function(e,t){var t=void 0===t||t;this.remove(e,!1),this.add(e,!1),t&&this.eventEmitter.emit("update",e,this)},i.Index.prototype.idf=function(e){var t="@"+e;if(Object.prototype.hasOwnProperty.call(this._idfCache,t))return this._idfCache[t];var n=this.tokenStore.count(e),r=1;return n>0&&(r=1+Math.log(this.documentStore.length/n)),this._idfCache[t]=r},i.Index.prototype.search=function(e){var t=this.pipeline.run(this.tokenizerFn(e)),n=new i.Vector,r=[],o=this._fields.reduce(function(e,t){return e+t.boost},0),a=t.some(function(e){return this.tokenStore.has(e)},this);if(!a)return[];t.forEach(function(e,t,a){var s=1/a.length*this._fields.length*o,u=this,l=this.tokenStore.expand(e).reduce(function(t,r){var o=u.corpusTokens.indexOf(r),a=u.idf(r),l=1,c=new i.SortedSet;if(r!==e){var f=Math.max(3,r.length-e.length);l=1/Math.log(f)}o>-1&&n.insert(o,s*a*l);for(var d=u.tokenStore.get(r),h=Object.keys(d),p=h.length,v=0;v<p;v++)c.add(d[h[v]].ref);return t.union(c)},new i.SortedSet);r.push(l)},this);var s=r.reduce(function(e,t){return e.intersect(t)});return s.map(function(e){return{ref:e,score:n.similarity(this.documentVector(e))}},this).sort(function(e,t){return t.score-e.score})},i.Index.prototype.documentVector=function(e){for(var t=this.documentStore.get(e),n=t.length,r=new i.Vector,o=0;o<n;o++){var a=t.elements[o],s=this.tokenStore.get(a)[e].tf,u=this.idf(a);r.insert(this.corpusTokens.indexOf(a),s*u)}return r},i.Index.prototype.toJSON=function(){return{version:i.version,fields:this._fields,ref:this._ref,tokenizer:this.tokenizerFn.label,documentStore:this.documentStore.toJSON(),tokenStore:this.tokenStore.toJSON(),corpusTokens:this.corpusTokens.toJSON(),pipeline:this.pipeline.toJSON()}},i.Index.prototype.use=function(e){var t=Array.prototype.slice.call(arguments,1);t.unshift(this),e.apply(this,t)},/*!
	   * lunr.Store
	   * Copyright (C) 2016 Oliver Nightingale
	   */
i.Store=function(){this.store={},this.length=0},i.Store.load=function(e){var t=new this;return t.length=e.length,t.store=Object.keys(e.store).reduce(function(t,n){return t[n]=i.SortedSet.load(e.store[n]),t},{}),t},i.Store.prototype.set=function(e,t){this.has(e)||this.length++,this.store[e]=t},i.Store.prototype.get=function(e){return this.store[e]},i.Store.prototype.has=function(e){return e in this.store},i.Store.prototype.remove=function(e){this.has(e)&&(delete this.store[e],this.length--)},i.Store.prototype.toJSON=function(){return{store:this.store,length:this.length}},/*!
	   * lunr.stemmer
	   * Copyright (C) 2016 Oliver Nightingale
	   * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt
	   */
i.stemmer=function(){var e={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"},t={icate:"ic",ative:"",alize:"al",iciti:"ic",ical:"ic",ful:"",ness:""},n="[^aeiou]",r="[aeiouy]",o=n+"[^aeiouy]*",i=r+"[aeiou]*",a="^("+o+")?"+i+o,s="^("+o+")?"+i+o+"("+i+")?$",u="^("+o+")?"+i+o+i+o,l="^("+o+")?"+r,c=new RegExp(a),f=new RegExp(u),d=new RegExp(s),h=new RegExp(l),p=/^(.+?)(ss|i)es$/,v=/^(.+?)([^s])s$/,m=/^(.+?)eed$/,y=/^(.+?)(ed|ing)$/,g=/.$/,w=/(at|bl|iz)$/,b=new RegExp("([^aeiouylsz])\\1$"),_=new RegExp("^"+o+r+"[^aeiouwxy]$"),S=/^(.+?[^aeiou])y$/,k=/^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/,x=/^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/,E=/^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/,T=/^(.+?)(s|t)(ion)$/,O=/^(.+?)e$/,C=/ll$/,P=new RegExp("^"+o+r+"[^aeiouwxy]$"),M=function(n){var r,o,i,a,s,u,l;if(n.length<3)return n;if(i=n.substr(0,1),"y"==i&&(n=i.toUpperCase()+n.substr(1)),a=p,s=v,a.test(n)?n=n.replace(a,"$1$2"):s.test(n)&&(n=n.replace(s,"$1$2")),a=m,s=y,a.test(n)){var M=a.exec(n);a=c,a.test(M[1])&&(a=g,n=n.replace(a,""))}else if(s.test(n)){var M=s.exec(n);r=M[1],s=h,s.test(r)&&(n=r,s=w,u=b,l=_,s.test(n)?n+="e":u.test(n)?(a=g,n=n.replace(a,"")):l.test(n)&&(n+="e"))}if(a=S,a.test(n)){var M=a.exec(n);r=M[1],n=r+"i"}if(a=k,a.test(n)){var M=a.exec(n);r=M[1],o=M[2],a=c,a.test(r)&&(n=r+e[o])}if(a=x,a.test(n)){var M=a.exec(n);r=M[1],o=M[2],a=c,a.test(r)&&(n=r+t[o])}if(a=E,s=T,a.test(n)){var M=a.exec(n);r=M[1],a=f,a.test(r)&&(n=r)}else if(s.test(n)){var M=s.exec(n);r=M[1]+M[2],s=f,s.test(r)&&(n=r)}if(a=O,a.test(n)){var M=a.exec(n);r=M[1],a=f,s=d,u=P,(a.test(r)||s.test(r)&&!u.test(r))&&(n=r)}return a=C,s=f,a.test(n)&&s.test(n)&&(a=g,n=n.replace(a,"")),"y"==i&&(n=i.toLowerCase()+n.substr(1)),n};return M}(),i.Pipeline.registerFunction(i.stemmer,"stemmer"),/*!
	   * lunr.stopWordFilter
	   * Copyright (C) 2016 Oliver Nightingale
	   */
i.generateStopWordFilter=function(e){var t=e.reduce(function(e,t){return e[t]=t,e},{});return function(e){if(e&&t[e]!==e)return e}},i.stopWordFilter=i.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"]),i.Pipeline.registerFunction(i.stopWordFilter,"stopWordFilter"),/*!
	   * lunr.trimmer
	   * Copyright (C) 2016 Oliver Nightingale
	   */
i.trimmer=function(e){return e.replace(/^\W+/,"").replace(/\W+$/,"")},i.Pipeline.registerFunction(i.trimmer,"trimmer"),/*!
	   * lunr.stemmer
	   * Copyright (C) 2016 Oliver Nightingale
	   * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt
	   */
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