diff --git a/dist/itemsjs.js b/dist/itemsjs.js
index c745cd0..ce18b27 100644
--- a/dist/itemsjs.js
+++ b/dist/itemsjs.js
@@ -2452,8 +2452,12 @@ module.exports.aggregation = function (items, input, aggregations) {
 
 
 module.exports.sorted_items = function (items, sort, sortings) {
-  if (sortings[sort] && sortings[sort].field) {
-    return _.orderBy(items, [sortings[sort].field], [sortings[sort].order || 'asc']);
+  if (sortings && sortings[sort]) {
+    sort = sortings[sort];
+  }
+
+  if (sort.field) {
+    return _.orderBy(items, sort.field, sort.order || 'asc');
   }
 
   return items;
diff --git a/dist/itemsjs.min.js b/dist/itemsjs.min.js
index c0eea5a..fc4d8c1 100644
--- a/dist/itemsjs.min.js
+++ b/dist/itemsjs.min.js
@@ -1 +1 @@
-(function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"==typeof window?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,t.itemsjs=e()}})(function(){var W,xn=Math.max;return function(){function s(l,e,n){function t(d,r){if(!e[d]){if(!l[d]){var i="function"==typeof require&&require;if(!r&&i)return i(d,!0);if(o)return o(d,!0);var c=new Error("Cannot find module '"+d+"'");throw c.code="MODULE_NOT_FOUND",c}var a=e[d]={exports:{}};l[d][0].call(a.exports,function(e){var o=l[d][1][e];return t(o||e)},a,a.exports,s,l,e,n)}return e[d].exports}for(var o="function"==typeof require&&require,r=0;r<n.length;r++)t(n[r]);return t}return s}()({1:[function(e,t){"use strict";t.exports=e("./src/index")},{"./src/index":5}],2:[function(e,t,n){(function(){var e=Math.log,o=Math.floor,r=function(e){var t=new r.Index;return t.pipeline.add(r.trimmer,r.stopWordFilter,r.stemmer),e&&e.call(t,t),t};r.version="1.0.0",r.utils={},r.utils.warn=function(e){return function(t){e.console&&console.warn&&console.warn(t)}}(this),r.utils.asString=function(e){return void 0===e||null===e?"":e.toString()},r.EventEmitter=function(){this.events={}},r.EventEmitter.prototype.addListener=function(){var e=Array.prototype.slice.call(arguments),t=e.pop();if("function"!=typeof t)throw new TypeError("last argument must be a function");e.forEach(function(e){this.hasHandler(e)||(this.events[e]=[]),this.events[e].push(t)},this)},r.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]}},r.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)})}},r.EventEmitter.prototype.hasHandler=function(e){return e in this.events},r.tokenizer=function(e){return arguments.length&&null!=e&&void 0!=e?Array.isArray(e)?e.map(function(e){return r.utils.asString(e).toLowerCase()}):e.toString().trim().toLowerCase().split(r.tokenizer.separator):[]},r.tokenizer.separator=/[\s\-]+/,r.tokenizer.load=function(e){var t=this.registeredFunctions[e];if(!t)throw new Error("Cannot load un-registered function: "+e);return t},r.tokenizer.label="default",r.tokenizer.registeredFunctions={default:r.tokenizer},r.tokenizer.registerFunction=function(e,t){t in this.registeredFunctions&&r.utils.warn("Overwriting existing tokenizer: "+t),e.label=t,this.registeredFunctions[t]=e},r.Pipeline=function(){this._stack=[]},r.Pipeline.registeredFunctions={},r.Pipeline.registerFunction=function(e,t){t in this.registeredFunctions&&r.utils.warn("Overwriting existing registered function: "+t),e.label=t,r.Pipeline.registeredFunctions[e.label]=e},r.Pipeline.warnIfFunctionNotRegistered=function(e){var t=e.label&&e.label in this.registeredFunctions;t||r.utils.warn("Function is not registered with pipeline. This may cause problems when serialising the index.\n",e)},r.Pipeline.load=function(e){var t=new r.Pipeline;return e.forEach(function(e){var n=r.Pipeline.registeredFunctions[e];if(n)t.add(n);else throw new Error("Cannot load un-registered function: "+e)}),t},r.Pipeline.prototype.add=function(){var e=Array.prototype.slice.call(arguments);e.forEach(function(e){r.Pipeline.warnIfFunctionNotRegistered(e),this._stack.push(e)},this)},r.Pipeline.prototype.after=function(e,t){r.Pipeline.warnIfFunctionNotRegistered(t);var n=this._stack.indexOf(e);if(-1==n)throw new Error("Cannot find existingFn");++n,this._stack.splice(n,0,t)},r.Pipeline.prototype.before=function(e,t){r.Pipeline.warnIfFunctionNotRegistered(t);var n=this._stack.indexOf(e);if(-1==n)throw new Error("Cannot find existingFn");this._stack.splice(n,0,t)},r.Pipeline.prototype.remove=function(e){var t=this._stack.indexOf(e);-1==t||this._stack.splice(t,1)},r.Pipeline.prototype.run=function(e){for(var t,n=[],o=e.length,r=this._stack.length,s=0;s<o;s++){t=e[s];for(var i=0;i<r&&(t=this._stack[i](t,s,e),void 0!==t&&""!==t);i++);void 0!==t&&""!==t&&n.push(t)}return n},r.Pipeline.prototype.reset=function(){this._stack=[]},r.Pipeline.prototype.toJSON=function(){return this._stack.map(function(e){return r.Pipeline.warnIfFunctionNotRegistered(e),e.label})},r.Vector=function(){this._magnitude=null,this.list=void 0,this.length=0},r.Vector.Node=function(e,t,n){this.idx=e,this.val=t,this.next=n},r.Vector.prototype.insert=function(e,t){this._magnitude=void 0;var n=this.list;if(!n)return this.list=new r.Vector.Node(e,t,n),this.length++;if(e<n.idx)return this.list=new r.Vector.Node(e,t,n),this.length++;for(var o=n,i=n.next;void 0!=i;){if(e<i.idx)return o.next=new r.Vector.Node(e,t,i),this.length++;o=i,i=i.next}return o.next=new r.Vector.Node(e,t,i),this.length++},r.Vector.prototype.magnitude=function(){if(this._magnitude)return this._magnitude;for(var e,t=this.list,n=0;t;)e=t.val,n+=e*e,t=t.next;return this._magnitude=Math.sqrt(n)},r.Vector.prototype.dot=function(e){for(var t=this.list,n=e.list,o=0;t&&n;)t.idx<n.idx?t=t.next:t.idx>n.idx?n=n.next:(o+=t.val*n.val,t=t.next,n=n.next);return o},r.Vector.prototype.similarity=function(e){return this.dot(e)/(this.magnitude()*e.magnitude())},r.SortedSet=function(){this.length=0,this.elements=[]},r.SortedSet.load=function(e){var t=new this;return t.elements=e,t.length=e.length,t},r.SortedSet.prototype.add=function(){var e,t;for(e=0;e<arguments.length;e++)t=arguments[e],~this.indexOf(t)||this.elements.splice(this.locationFor(t),0,t);this.length=this.elements.length},r.SortedSet.prototype.toArray=function(){return this.elements.slice()},r.SortedSet.prototype.map=function(e,t){return this.elements.map(e,t)},r.SortedSet.prototype.forEach=function(e,t){return this.elements.forEach(e,t)},r.SortedSet.prototype.indexOf=function(e){for(var t=0,n=this.elements.length,r=n-t,i=t+o(r/2),s=this.elements[i];1<r;){if(s===e)return i;s<e&&(t=i),s>e&&(n=i),r=n-t,i=t+o(r/2),s=this.elements[i]}return s===e?i:-1},r.SortedSet.prototype.locationFor=function(e){for(var t=0,n=this.elements.length,r=n-t,i=t+o(r/2),s=this.elements[i];1<r;)s<e&&(t=i),s>e&&(n=i),r=n-t,i=t+o(r/2),s=this.elements[i];return s>e?i:s<e?i+1:void 0},r.SortedSet.prototype.intersect=function(e){for(var t=new r.SortedSet,n=0,o=0,i=this.length,s=e.length,l=this.elements,a=e.elements;!0&&!(n>i-1||o>s-1);){if(l[n]===a[o]){t.add(l[n]),n++,o++;continue}if(l[n]<a[o]){n++;continue}if(l[n]>a[o]){o++;continue}}return t},r.SortedSet.prototype.clone=function(){var e=new r.SortedSet;return e.elements=this.toArray(),e.length=e.elements.length,e},r.SortedSet.prototype.union=function(e){var t,n,o;this.length>=e.length?(t=this,n=e):(t=e,n=this),o=t.clone();for(var r=0,i=n.toArray();r<i.length;r++)o.add(i[r]);return o},r.SortedSet.prototype.toJSON=function(){return this.toArray()},r.Index=function(){this._fields=[],this._ref="id",this.pipeline=new r.Pipeline,this.documentStore=new r.Store,this.tokenStore=new r.TokenStore,this.corpusTokens=new r.SortedSet,this.eventEmitter=new r.EventEmitter,this.tokenizerFn=r.tokenizer,this._idfCache={},this.on("add","remove","update",function(){this._idfCache={}}.bind(this))},r.Index.prototype.on=function(){var e=Array.prototype.slice.call(arguments);return this.eventEmitter.addListener.apply(this.eventEmitter,e)},r.Index.prototype.off=function(e,t){return this.eventEmitter.removeListener(e,t)},r.Index.load=function(e){e.version!==r.version&&r.utils.warn("version mismatch: current "+r.version+" importing "+e.version);var t=new this;return t._fields=e.fields,t._ref=e.ref,t.tokenizer(r.tokenizer.load(e.tokenizer)),t.documentStore=r.Store.load(e.documentStore),t.tokenStore=r.TokenStore.load(e.tokenStore),t.corpusTokens=r.SortedSet.load(e.corpusTokens),t.pipeline=r.Pipeline.load(e.pipeline),t},r.Index.prototype.field=function(e,t){var t=t||{},n={name:e,boost:t.boost||1};return this._fields.push(n),this},r.Index.prototype.ref=function(e){return this._ref=e,this},r.Index.prototype.tokenizer=function(e){var t=e.label&&e.label in r.tokenizer.registeredFunctions;return t||r.utils.warn("Function is not a registered tokenizer. This may cause problems when serialising the index"),this.tokenizerFn=e,this},r.Index.prototype.add=function(e,t){var n={},o=new r.SortedSet,s=e[this._ref],t=!(t!==void 0)||t;this._fields.forEach(function(t){var r=this.pipeline.run(this.tokenizerFn(e[t.name]));n[t.name]=r;for(var s,a=0;a<r.length;a++)s=r[a],o.add(s),this.corpusTokens.add(s)},this),this.documentStore.set(s,o);for(var a=0;a<o.length;a++){for(var i=o.elements[a],l=0,d=0;d<this._fields.length;d++){var c=this._fields[d],p=n[c.name],u=p.length;if(u){for(var g=0,f=0;f<u;f++)p[f]===i&&g++;l+=g/u*c.boost}}this.tokenStore.add(i,{ref:s,tf:l})}t&&this.eventEmitter.emit("add",e,this)},r.Index.prototype.remove=function(e,t){var n=e[this._ref],t=!(t!==void 0)||t;if(this.documentStore.has(n)){var o=this.documentStore.get(n);this.documentStore.remove(n),o.forEach(function(e){this.tokenStore.remove(e,n)},this),t&&this.eventEmitter.emit("remove",e,this)}},r.Index.prototype.update=function(e,t){var t=!(t!==void 0)||t;this.remove(e,!1),this.add(e,!1),t&&this.eventEmitter.emit("update",e,this)},r.Index.prototype.idf=function(t){var n="@"+t;if(Object.prototype.hasOwnProperty.call(this._idfCache,n))return this._idfCache[n];var o=this.tokenStore.count(t),r=1;return 0<o&&(r=1+e(this.documentStore.length/o)),this._idfCache[n]=r},r.Index.prototype.search=function(t){var n=this.pipeline.run(this.tokenizerFn(t)),o=new r.Vector,s=[],a=this._fields.reduce(function(e,t){return e+t.boost},0),i=n.some(function(e){return this.tokenStore.has(e)},this);if(!i)return[];n.forEach(function(t,n,i){var l=1/i.length*this._fields.length*a,d=this,c=this.tokenStore.expand(t).reduce(function(n,s){var a=d.corpusTokens.indexOf(s),c=d.idf(s),p=1,u=new r.SortedSet;if(s!==t){var g=xn(3,s.length-t.length);p=1/e(g)}-1<a&&o.insert(a,l*c*p);for(var f=d.tokenStore.get(s),h=Object.keys(f),y=h.length,_=0;_<y;_++)u.add(f[h[_]].ref);return n.union(u)},new r.SortedSet);s.push(c)},this);var l=s.reduce(function(e,t){return e.intersect(t)});return l.map(function(e){return{ref:e,score:o.similarity(this.documentVector(e))}},this).sort(function(e,t){return t.score-e.score})},r.Index.prototype.documentVector=function(e){for(var t=this.documentStore.get(e),n=t.length,o=new r.Vector,s=0;s<n;s++){var i=t.elements[s],a=this.tokenStore.get(i)[e].tf,l=this.idf(i);o.insert(this.corpusTokens.indexOf(i),a*l)}return o},r.Index.prototype.toJSON=function(){return{version:r.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()}},r.Index.prototype.use=function(e){var t=Array.prototype.slice.call(arguments,1);t.unshift(this),e.apply(this,t)},r.Store=function(){this.store={},this.length=0},r.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]=r.SortedSet.load(e.store[n]),t},{}),t},r.Store.prototype.set=function(e,t){this.has(e)||this.length++,this.store[e]=t},r.Store.prototype.get=function(e){return this.store[e]},r.Store.prototype.has=function(e){return e in this.store},r.Store.prototype.remove=function(e){this.has(e)&&(delete this.store[e],this.length--)},r.Store.prototype.toJSON=function(){return{store:this.store,length:this.length}},r.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="[aeiouy]",o="[^aeiou]"+"[^aeiouy]*",r=n+"[aeiou]*",i=/^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*/,s=/^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*[aeiouy][aeiou]*[^aeiou][^aeiouy]*/,a=/^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*([aeiouy][aeiou]*)?$/,l=/^([^aeiou][^aeiouy]*)?[aeiouy]/,d=/^(.+?)(ss|i)es$/,c=/^(.+?)([^s])s$/,p=/^(.+?)eed$/,u=/^(.+?)(ed|ing)$/,g=/.$/,f=/(at|bl|iz)$/,h=/([^aeiouylsz])\1$/,y=/^[^aeiou][^aeiouy]*[aeiouy][^aeiouwxy]$/,_=/^(.+?[^aeiou])y$/,b=/^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/,m=/^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/,j=/^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/,k=/^(.+?)(s|t)(ion)$/,x=/^(.+?)e$/,S=/ll$/,v=/^[^aeiou][^aeiouy]*[aeiouy][^aeiouwxy]$/;return function(n){var o,r,A,w,F,z,O;if(3>n.length)return n;if(A=n.substr(0,1),"y"==A&&(n=A.toUpperCase()+n.substr(1)),w=d,F=c,w.test(n)?n=n.replace(w,"$1$2"):F.test(n)&&(n=n.replace(F,"$1$2")),w=p,F=u,w.test(n)){var E=w.exec(n);w=i,w.test(E[1])&&(w=g,n=n.replace(w,""))}else if(F.test(n)){var E=F.exec(n);o=E[1],F=l,F.test(o)&&(n=o,F=f,z=h,O=y,F.test(n)?n+="e":z.test(n)?(w=g,n=n.replace(w,"")):O.test(n)&&(n+="e"))}if(w=_,w.test(n)){var E=w.exec(n);o=E[1],n=o+"i"}if(w=b,w.test(n)){var E=w.exec(n);o=E[1],r=E[2],w=i,w.test(o)&&(n=o+e[r])}if(w=m,w.test(n)){var E=w.exec(n);o=E[1],r=E[2],w=i,w.test(o)&&(n=o+t[r])}if(w=j,F=k,w.test(n)){var E=w.exec(n);o=E[1],w=s,w.test(o)&&(n=o)}else if(F.test(n)){var E=F.exec(n);o=E[1]+E[2],F=s,F.test(o)&&(n=o)}if(w=x,w.test(n)){var E=w.exec(n);o=E[1],w=s,F=a,z=v,(w.test(o)||F.test(o)&&!z.test(o))&&(n=o)}return w=S,F=s,w.test(n)&&F.test(n)&&(w=g,n=n.replace(w,"")),"y"==A&&(n=A.toLowerCase()+n.substr(1)),n}}(),r.Pipeline.registerFunction(r.stemmer,"stemmer"),r.generateStopWordFilter=function(e){var t=e.reduce(function(e,t){return e[t]=t,e},{});return function(e){if(e&&t[e]!==e)return e}},r.stopWordFilter=r.generateStopWordFilter(["a","able","about","across","after","all","almost","also","am","among","an","and","any","are","as","at","be","because","been","but","by","can","cannot","could","dear","did","do","does","either","else","ever","every","for","from","get","got","had","has","have","he","her","hers","him","his","how","however","i","if","in","into","is","it","its","just","least","let","like","likely","may","me","might","most","must","my","neither","no","nor","not","of","off","often","on","only","or","other","our","own","rather","said","say","says","she","should","since","so","some","than","that","the","their","them","then","there","these","they","this","tis","to","too","twas","us","wants","was","we","were","what","when","where","which","while","who","whom","why","will","with","would","yet","you","your"]),r.Pipeline.registerFunction(r.stopWordFilter,"stopWordFilter"),r.trimmer=function(e){return e.replace(/^\W+/,"").replace(/\W+$/,"")},r.Pipeline.registerFunction(r.trimmer,"trimmer"),r.TokenStore=function(){this.root={docs:{}},this.length=0},r.TokenStore.load=function(e){var t=new this;return t.root=e.root,t.length=e.length,t},r.TokenStore.prototype.add=function(e,t,n){var n=n||this.root,o=e.charAt(0),r=e.slice(1);return o in n||(n[o]={docs:{}}),0===r.length?(n[o].docs[t.ref]=t,void(this.length+=1)):this.add(r,t,n[o])},r.TokenStore.prototype.has=function(e){if(!e)return!1;for(var t=this.root,n=0;n<e.length;n++){if(!t[e.charAt(n)])return!1;t=t[e.charAt(n)]}return!0},r.TokenStore.prototype.getNode=function(e){if(!e)return{};for(var t=this.root,n=0;n<e.length;n++){if(!t[e.charAt(n)])return{};t=t[e.charAt(n)]}return t},r.TokenStore.prototype.get=function(e,t){return this.getNode(e,t).docs||{}},r.TokenStore.prototype.count=function(e,t){return Object.keys(this.get(e,t)).length},r.TokenStore.prototype.remove=function(e,t){if(e){for(var n=this.root,o=0;o<e.length;o++){if(!(e.charAt(o)in n))return;n=n[e.charAt(o)]}delete n.docs[t]}},r.TokenStore.prototype.expand=function(e,t){var n=this.getNode(e),o=n.docs||{},t=t||[];return Object.keys(o).length&&t.push(e),Object.keys(n).forEach(function(n){"docs"===n||t.concat(this.expand(e+n,t))},this),t},r.TokenStore.prototype.toJSON=function(){return{root:this.root,length:this.length}},function(e,o){"function"==typeof W&&W.amd?W(o):"object"==typeof n?t.exports=o():e.lunr=o()}(this,function(){return r})})()},{}],3:[function(e,t){"use strict";var n=e("./../vendor/lodash"),o=e("lunr"),r=function(e,t){var r=this;t=t||{},t.searchableFields=t.searchableFields||[],this.items=e,this.idx=o(function(){this.field("name",{boost:10});var e=this;n.forEach(t.searchableFields,function(t){e.field(t)}),this.ref("id")});var s=1;n.map(e,function(e){e.id||(e.id=s,++s),r.idx.add(e)}),this.store=n.mapKeys(e,function(e){return e.id})};r.prototype={search:function(e){var t=this;return 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t.not_filters&&t.not_filters[n]&&(r=t.not_filters[n]),t.exclude_filters&&t.exclude_filters[n]&&(r=t.exclude_filters[n]),e.not_filters=r,e})};t.exports.is_conjunctive_agg=function(e){return!1!==e.conjunction},t.exports.is_disjunctive_agg=function(e){return!1===e.conjunction},t.exports.is_not_filters_agg=function(e){return e.not_filters instanceof Array&&0<e.not_filters.length},t.exports.is_empty_agg=function(e){return"is_empty"===e.type},t.exports.conjunctive_field=function(e,n){return t.exports.includes(e,n)},t.exports.disjunctive_field=function(e,n){return t.exports.includes_any(e,n)},t.exports.not_filters_field=function(e,n){return!t.exports.includes_any_element(e,n)},t.exports.check_empty_field=function(e,n){var o=["not_empty"];return(""===e||void 0===e||null===e||e instanceof Array&&0===e.length)&&(o=["empty"]),n&&!t.exports.includes(o,n)?!1:o}},{"./../vendor/lodash":7}],5:[function(e,t){"use strict";var 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This may cause problems when serialising the index.\n",e)},r.Pipeline.load=function(e){var t=new r.Pipeline;return e.forEach(function(e){var n=r.Pipeline.registeredFunctions[e];if(n)t.add(n);else throw new Error("Cannot load un-registered function: "+e)}),t},r.Pipeline.prototype.add=function(){var e=Array.prototype.slice.call(arguments);e.forEach(function(e){r.Pipeline.warnIfFunctionNotRegistered(e),this._stack.push(e)},this)},r.Pipeline.prototype.after=function(e,t){r.Pipeline.warnIfFunctionNotRegistered(t);var n=this._stack.indexOf(e);if(-1==n)throw new Error("Cannot find existingFn");++n,this._stack.splice(n,0,t)},r.Pipeline.prototype.before=function(e,t){r.Pipeline.warnIfFunctionNotRegistered(t);var n=this._stack.indexOf(e);if(-1==n)throw new Error("Cannot find existingFn");this._stack.splice(n,0,t)},r.Pipeline.prototype.remove=function(e){var t=this._stack.indexOf(e);-1==t||this._stack.splice(t,1)},r.Pipeline.prototype.run=function(e){for(var t,n=[],o=e.length,r=this._stack.length,s=0;s<o;s++){t=e[s];for(var i=0;i<r&&(t=this._stack[i](t,s,e),void 0!==t&&""!==t);i++);void 0!==t&&""!==t&&n.push(t)}return n},r.Pipeline.prototype.reset=function(){this._stack=[]},r.Pipeline.prototype.toJSON=function(){return this._stack.map(function(e){return r.Pipeline.warnIfFunctionNotRegistered(e),e.label})},r.Vector=function(){this._magnitude=null,this.list=void 0,this.length=0},r.Vector.Node=function(e,t,n){this.idx=e,this.val=t,this.next=n},r.Vector.prototype.insert=function(e,t){this._magnitude=void 0;var n=this.list;if(!n)return this.list=new r.Vector.Node(e,t,n),this.length++;if(e<n.idx)return this.list=new r.Vector.Node(e,t,n),this.length++;for(var o=n,i=n.next;void 0!=i;){if(e<i.idx)return o.next=new r.Vector.Node(e,t,i),this.length++;o=i,i=i.next}return o.next=new r.Vector.Node(e,t,i),this.length++},r.Vector.prototype.magnitude=function(){if(this._magnitude)return this._magnitude;for(var e,t=this.list,n=0;t;)e=t.val,n+=e*e,t=t.next;return this._magnitude=Math.sqrt(n)},r.Vector.prototype.dot=function(e){for(var t=this.list,n=e.list,o=0;t&&n;)t.idx<n.idx?t=t.next:t.idx>n.idx?n=n.next:(o+=t.val*n.val,t=t.next,n=n.next);return o},r.Vector.prototype.similarity=function(e){return this.dot(e)/(this.magnitude()*e.magnitude())},r.SortedSet=function(){this.length=0,this.elements=[]},r.SortedSet.load=function(e){var t=new this;return t.elements=e,t.length=e.length,t},r.SortedSet.prototype.add=function(){var e,t;for(e=0;e<arguments.length;e++)t=arguments[e],~this.indexOf(t)||this.elements.splice(this.locationFor(t),0,t);this.length=this.elements.length},r.SortedSet.prototype.toArray=function(){return this.elements.slice()},r.SortedSet.prototype.map=function(e,t){return this.elements.map(e,t)},r.SortedSet.prototype.forEach=function(e,t){return this.elements.forEach(e,t)},r.SortedSet.prototype.indexOf=function(e){for(var t=0,n=this.elements.length,r=n-t,i=t+o(r/2),s=this.elements[i];1<r;){if(s===e)return i;s<e&&(t=i),s>e&&(n=i),r=n-t,i=t+o(r/2),s=this.elements[i]}return s===e?i:-1},r.SortedSet.prototype.locationFor=function(e){for(var t=0,n=this.elements.length,r=n-t,i=t+o(r/2),s=this.elements[i];1<r;)s<e&&(t=i),s>e&&(n=i),r=n-t,i=t+o(r/2),s=this.elements[i];return s>e?i:s<e?i+1:void 0},r.SortedSet.prototype.intersect=function(e){for(var t=new r.SortedSet,n=0,o=0,i=this.length,s=e.length,l=this.elements,a=e.elements;!0&&!(n>i-1||o>s-1);){if(l[n]===a[o]){t.add(l[n]),n++,o++;continue}if(l[n]<a[o]){n++;continue}if(l[n]>a[o]){o++;continue}}return t},r.SortedSet.prototype.clone=function(){var e=new r.SortedSet;return e.elements=this.toArray(),e.length=e.elements.length,e},r.SortedSet.prototype.union=function(e){var t,n,o;this.length>=e.length?(t=this,n=e):(t=e,n=this),o=t.clone();for(var r=0,i=n.toArray();r<i.length;r++)o.add(i[r]);return o},r.SortedSet.prototype.toJSON=function(){return this.toArray()},r.Index=function(){this._fields=[],this._ref="id",this.pipeline=new r.Pipeline,this.documentStore=new r.Store,this.tokenStore=new r.TokenStore,this.corpusTokens=new r.SortedSet,this.eventEmitter=new r.EventEmitter,this.tokenizerFn=r.tokenizer,this._idfCache={},this.on("add","remove","update",function(){this._idfCache={}}.bind(this))},r.Index.prototype.on=function(){var e=Array.prototype.slice.call(arguments);return this.eventEmitter.addListener.apply(this.eventEmitter,e)},r.Index.prototype.off=function(e,t){return this.eventEmitter.removeListener(e,t)},r.Index.load=function(e){e.version!==r.version&&r.utils.warn("version mismatch: current "+r.version+" importing "+e.version);var t=new this;return 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0)||t;this.remove(e,!1),this.add(e,!1),t&&this.eventEmitter.emit("update",e,this)},r.Index.prototype.idf=function(t){var n="@"+t;if(Object.prototype.hasOwnProperty.call(this._idfCache,n))return this._idfCache[n];var o=this.tokenStore.count(t),r=1;return 0<o&&(r=1+e(this.documentStore.length/o)),this._idfCache[n]=r},r.Index.prototype.search=function(t){var n=this.pipeline.run(this.tokenizerFn(t)),o=new r.Vector,s=[],a=this._fields.reduce(function(e,t){return e+t.boost},0),i=n.some(function(e){return this.tokenStore.has(e)},this);if(!i)return[];n.forEach(function(t,n,i){var l=1/i.length*this._fields.length*a,d=this,c=this.tokenStore.expand(t).reduce(function(n,s){var a=d.corpusTokens.indexOf(s),c=d.idf(s),p=1,u=new r.SortedSet;if(s!==t){var g=xn(3,s.length-t.length);p=1/e(g)}-1<a&&o.insert(a,l*c*p);for(var f=d.tokenStore.get(s),h=Object.keys(f),y=h.length,_=0;_<y;_++)u.add(f[h[_]].ref);return n.union(u)},new r.SortedSet);s.push(c)},this);var l=s.reduce(function(e,t){return e.intersect(t)});return l.map(function(e){return{ref:e,score:o.similarity(this.documentVector(e))}},this).sort(function(e,t){return t.score-e.score})},r.Index.prototype.documentVector=function(e){for(var t=this.documentStore.get(e),n=t.length,o=new r.Vector,s=0;s<n;s++){var i=t.elements[s],a=this.tokenStore.get(i)[e].tf,l=this.idf(i);o.insert(this.corpusTokens.indexOf(i),a*l)}return o},r.Index.prototype.toJSON=function(){return{version:r.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()}},r.Index.prototype.use=function(e){var t=Array.prototype.slice.call(arguments,1);t.unshift(this),e.apply(this,t)},r.Store=function(){this.store={},this.length=0},r.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]=r.SortedSet.load(e.store[n]),t},{}),t},r.Store.prototype.set=function(e,t){this.has(e)||this.length++,this.store[e]=t},r.Store.prototype.get=function(e){return this.store[e]},r.Store.prototype.has=function(e){return e in this.store},r.Store.prototype.remove=function(e){this.has(e)&&(delete this.store[e],this.length--)},r.Store.prototype.toJSON=function(){return{store:this.store,length:this.length}},r.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="[aeiouy]",o="[^aeiou]"+"[^aeiouy]*",r=n+"[aeiou]*",i=/^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*/,s=/^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*[aeiouy][aeiou]*[^aeiou][^aeiouy]*/,a=/^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*([aeiouy][aeiou]*)?$/,l=/^([^aeiou][^aeiouy]*)?[aeiouy]/,d=/^(.+?)(ss|i)es$/,c=/^(.+?)([^s])s$/,p=/^(.+?)eed$/,u=/^(.+?)(ed|ing)$/,g=/.$/,f=/(at|bl|iz)$/,h=/([^aeiouylsz])\1$/,y=/^[^aeiou][^aeiouy]*[aeiouy][^aeiouwxy]$/,_=/^(.+?[^aeiou])y$/,b=/^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/,m=/^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/,j=/^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/,k=/^(.+?)(s|t)(ion)$/,x=/^(.+?)e$/,S=/ll$/,v=/^[^aeiou][^aeiouy]*[aeiouy][^aeiouwxy]$/;return function(n){var o,r,A,w,F,z,O;if(3>n.length)return n;if(A=n.substr(0,1),"y"==A&&(n=A.toUpperCase()+n.substr(1)),w=d,F=c,w.test(n)?n=n.replace(w,"$1$2"):F.test(n)&&(n=n.replace(F,"$1$2")),w=p,F=u,w.test(n)){var E=w.exec(n);w=i,w.test(E[1])&&(w=g,n=n.replace(w,""))}else if(F.test(n)){var E=F.exec(n);o=E[1],F=l,F.test(o)&&(n=o,F=f,z=h,O=y,F.test(n)?n+="e":z.test(n)?(w=g,n=n.replace(w,"")):O.test(n)&&(n+="e"))}if(w=_,w.test(n)){var E=w.exec(n);o=E[1],n=o+"i"}if(w=b,w.test(n)){var E=w.exec(n);o=E[1],r=E[2],w=i,w.test(o)&&(n=o+e[r])}if(w=m,w.test(n)){var E=w.exec(n);o=E[1],r=E[2],w=i,w.test(o)&&(n=o+t[r])}if(w=j,F=k,w.test(n)){var E=w.exec(n);o=E[1],w=s,w.test(o)&&(n=o)}else if(F.test(n)){var E=F.exec(n);o=E[1]+E[2],F=s,F.test(o)&&(n=o)}if(w=x,w.test(n)){var E=w.exec(n);o=E[1],w=s,F=a,z=v,(w.test(o)||F.test(o)&&!z.test(o))&&(n=o)}return w=S,F=s,w.test(n)&&F.test(n)&&(w=g,n=n.replace(w,"")),"y"==A&&(n=A.toLowerCase()+n.substr(1)),n}}(),r.Pipeline.registerFunction(r.stemmer,"stemmer"),r.generateStopWordFilter=function(e){var t=e.reduce(function(e,t){return e[t]=t,e},{});return function(e){if(e&&t[e]!==e)return e}},r.stopWordFilter=r.generateStopWordFilter(["a","able","about","across","after","all","almost","also","am","among","an","and","any","are","as","at","be","because","been","but","by","can","cannot","could","dear","did","do","does","either","else","ever","every","for","from","get","got","had","has","have","he","her","hers","him","his","how","however","i","if","in","into","is","it","its","just","least","let","like","likely","may","me","might","most","must","my","neither","no","nor","not","of","off","often","on","only","or","other","our","own","rather","said","say","says","she","should","since","so","some","than","that","the","their","them","then","there","these","they","this","tis","to","too","twas","us","wants","was","we","were","what","when","where","which","while","who","whom","why","will","with","would","yet","you","your"]),r.Pipeline.registerFunction(r.stopWordFilter,"stopWordFilter"),r.trimmer=function(e){return e.replace(/^\W+/,"").replace(/\W+$/,"")},r.Pipeline.registerFunction(r.trimmer,"trimmer"),r.TokenStore=function(){this.root={docs:{}},this.length=0},r.TokenStore.load=function(e){var t=new this;return t.root=e.root,t.length=e.length,t},r.TokenStore.prototype.add=function(e,t,n){var n=n||this.root,o=e.charAt(0),r=e.slice(1);return o in n||(n[o]={docs:{}}),0===r.length?(n[o].docs[t.ref]=t,void(this.length+=1)):this.add(r,t,n[o])},r.TokenStore.prototype.has=function(e){if(!e)return!1;for(var t=this.root,n=0;n<e.length;n++){if(!t[e.charAt(n)])return!1;t=t[e.charAt(n)]}return!0},r.TokenStore.prototype.getNode=function(e){if(!e)return{};for(var t=this.root,n=0;n<e.length;n++){if(!t[e.charAt(n)])return{};t=t[e.charAt(n)]}return t},r.TokenStore.prototype.get=function(e,t){return this.getNode(e,t).docs||{}},r.TokenStore.prototype.count=function(e,t){return Object.keys(this.get(e,t)).length},r.TokenStore.prototype.remove=function(e,t){if(e){for(var n=this.root,o=0;o<e.length;o++){if(!(e.charAt(o)in n))return;n=n[e.charAt(o)]}delete n.docs[t]}},r.TokenStore.prototype.expand=function(e,t){var n=this.getNode(e),o=n.docs||{},t=t||[];return Object.keys(o).length&&t.push(e),Object.keys(n).forEach(function(n){"docs"===n||t.concat(this.expand(e+n,t))},this),t},r.TokenStore.prototype.toJSON=function(){return{root:this.root,length:this.length}},function(e,o){"function"==typeof W&&W.amd?W(o):"object"==typeof n?t.exports=o():e.lunr=o()}(this,function(){return r})})()},{}],3:[function(e,t){"use strict";var n=e("./../vendor/lodash"),o=e("lunr"),r=function(e,t){var r=this;t=t||{},t.searchableFields=t.searchableFields||[],this.items=e,this.idx=o(function(){this.field("name",{boost:10});var e=this;n.forEach(t.searchableFields,function(t){e.field(t)}),this.ref("id")});var s=1;n.map(e,function(e){e.id||(e.id=s,++s),r.idx.add(e)}),this.store=n.mapKeys(e,function(e){return e.id})};r.prototype={search:function(e){var t=this;return e?n.map(this.idx.search(e),function(e){var n=t.store[e.ref];return n}):this.items}},t.exports=r},{"./../vendor/lodash":7,lunr:2}],4:[function(e,t){"use strict";var n=e("./../vendor/lodash");t.exports.includes=function(e,t){return!t||n.every(t,function(t){return n.includes(e,t)})},t.exports.includes_any=function(e,t){return!t||t instanceof Array&&0===t.length||n.some(t,function(t){return n.includes(e,t)})},t.exports.includes_any_element=function(e,t){return n.some(t,function(t){return n.includes(e,t)})},t.exports.intersection=function(e,t){return t?n.intersection(e,n.flatten(t)):e};var o=function(e){try{return JSON.parse(JSON.stringify(e))}catch(t){return e}};t.exports.mergeAggregations=function(e,t){return n.mapValues(o(e),function(e,n){e.field||(e.field=n);var o=[];t.filters&&t.filters[n]&&(o=t.filters[n]),e.filters=o;var r=[];return 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diff --git a/package.json b/package.json
index 6d2c766..cb71ca7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "itemsjs",
-  "version": "1.0.41",
+  "version": "1.0.42",
   "description": "Created to perform fast search on small json dataset (up to 1000 elements).",
   "main": "lib/index.js",
   "scripts": {