Merge pull request #125 from matsuyoshi30/flexsearch

Flexsearch

7 files changed, 87 insertions, 109 deletions

diff --git a/assets/js/flexsearch.bundle.js b/assets/js/flexsearch.bundle.js
new file mode 100644
index 0000000..71986df
--- /dev/null
+++ b/assets/js/flexsearch.bundle.js
@@ -0,0 +1,33 @@
+/**!

+ * FlexSearch.js v0.7.21 (Bundle)

+ * Copyright 2018-2021 Nextapps GmbH

+ * Author: Thomas Wilkerling

+ * Licence: Apache-2.0

+ * https://github.com/nextapps-de/flexsearch

+ */
+(function _f(self){'use strict';try{if(module)self=module}catch(e){}self._factory=_f;var t;function u(a){return"undefined"!==typeof a?a:!0}function aa(a){const b=Array(a);for(let c=0;c<a;c++)b[c]=v();return b}function v(){return Object.create(null)}function ba(a,b){return b.length-a.length}function x(a){return"string"===typeof a}function C(a){return"object"===typeof a}function D(a){return"function"===typeof a};function ca(a,b){var c=da;if(a&&(b&&(a=E(a,b)),this.H&&(a=E(a,this.H)),this.J&&1<a.length&&(a=E(a,this.J)),c||""===c)){a=a.split(c);if(this.filter){b=this.filter;c=a.length;const d=[];for(let e=0,f=0;e<c;e++){const g=a[e];g&&!b[g]&&(d[f++]=g)}a=d}return a}return a}const da=/[\p{Z}\p{S}\p{P}\p{C}]+/u,ea=/[\u0300-\u036f]/g;
+function fa(a,b){const c=Object.keys(a),d=c.length,e=[];let f="",g=0;for(let h=0,k,m;h<d;h++)k=c[h],(m=a[k])?(e[g++]=F(b?"(?!\\b)"+k+"(\\b|_)":k),e[g++]=m):f+=(f?"|":"")+k;f&&(e[g++]=F(b?"(?!\\b)("+f+")(\\b|_)":"("+f+")"),e[g]="");return e}function E(a,b){for(let c=0,d=b.length;c<d&&(a=a.replace(b[c],b[c+1]),a);c+=2);return a}function F(a){return new RegExp(a,"g")}function ha(a){let b="",c="";for(let d=0,e=a.length,f;d<e;d++)(f=a[d])!==c&&(b+=c=f);return b};var ja={encode:ia,F:!1,G:""};function ia(a){return ca.call(this,(""+a).toLowerCase(),!1)};const ka={},G={};function la(a){I(a,"add");I(a,"append");I(a,"search");I(a,"update");I(a,"remove")}function I(a,b){a[b+"Async"]=function(){const c=this,d=arguments;var e=d[d.length-1];let f;D(e)&&(f=e,delete d[d.length-1]);e=new Promise(function(g){setTimeout(function(){c.async=!0;const h=c[b].apply(c,d);c.async=!1;g(h)})});return f?(e.then(f),this):e}};function ma(a,b,c,d){const e=a.length;let f=[],g,h,k=0;d&&(d=[]);for(let m=e-1;0<=m;m--){const n=a[m],w=n.length,q=v();let r=!g;for(let l=0;l<w;l++){const p=n[l],z=p.length;if(z)for(let B=0,A,y;B<z;B++)if(y=p[B],g){if(g[y]){if(!m)if(c)c--;else if(f[k++]=y,k===b)return f;if(m||d)q[y]=1;r=!0}if(d&&(h[y]=(A=h[y])?++A:A=1,A<e)){const H=d[A-2]||(d[A-2]=[]);H[H.length]=y}}else q[y]=1}if(d)g||(h=q);else if(!r)return[];g=q}if(d)for(let m=d.length-1,n,w;0<=m;m--){n=d[m];w=n.length;for(let q=0,r;q<w;q++)if(r=
+n[q],!g[r]){if(c)c--;else if(f[k++]=r,k===b)return f;g[r]=1}}return f}function na(a,b){const c=v(),d=v(),e=[];for(let f=0;f<a.length;f++)c[a[f]]=1;for(let f=0,g;f<b.length;f++){g=b[f];for(let h=0,k;h<g.length;h++)k=g[h],c[k]&&!d[k]&&(d[k]=1,e[e.length]=k)}return e};function J(a){this.l=!0!==a&&a;this.cache=v();this.h=[]}function oa(a,b,c){C(a)&&(a=a.query);let d=this.cache.get(a);d||(d=this.search(a,b,c),this.cache.set(a,d));return d}J.prototype.set=function(a,b){if(!this.cache[a]){var c=this.h.length;c===this.l?delete this.cache[this.h[c-1]]:c++;for(--c;0<c;c--)this.h[c]=this.h[c-1];this.h[0]=a}this.cache[a]=b};J.prototype.get=function(a){const b=this.cache[a];if(this.l&&b&&(a=this.h.indexOf(a))){const c=this.h[a-1];this.h[a-1]=this.h[a];this.h[a]=c}return b};const qa={memory:{charset:"latin:extra",D:3,B:4,m:!1},performance:{D:3,B:3,s:!1,context:{depth:2,D:1}},match:{charset:"latin:extra",G:"reverse"},score:{charset:"latin:advanced",D:20,B:3,context:{depth:3,D:9}},"default":{}};function ra(a,b,c,d,e,f){setTimeout(function(){const g=a(c,JSON.stringify(f));g&&g.then?g.then(function(){b.export(a,b,c,d,e+1)}):b.export(a,b,c,d,e+1)})};function K(a,b){if(!(this instanceof K))return new K(a);var c;if(a){x(a)?a=qa[a]:(c=a.preset)&&(a=Object.assign({},c[c],a));c=a.charset;var d=a.lang;x(c)&&(-1===c.indexOf(":")&&(c+=":default"),c=G[c]);x(d)&&(d=ka[d])}else a={};let e,f,g=a.context||{};this.encode=a.encode||c&&c.encode||ia;this.register=b||v();this.D=e=a.resolution||9;this.G=b=c&&c.G||a.tokenize||"strict";this.depth="strict"===b&&g.depth;this.l=u(g.bidirectional);this.s=f=u(a.optimize);this.m=u(a.fastupdate);this.B=a.minlength||1;this.C=
+a.boost;this.map=f?aa(e):v();this.A=e=g.resolution||1;this.h=f?aa(e):v();this.F=c&&c.F||a.rtl;this.H=(b=a.matcher||d&&d.H)&&fa(b,!1);this.J=(b=a.stemmer||d&&d.J)&&fa(b,!0);if(c=b=a.filter||d&&d.filter){c=b;d=v();for(let h=0,k=c.length;h<k;h++)d[c[h]]=1;c=d}this.filter=c;this.cache=(b=a.cache)&&new J(b)}t=K.prototype;t.append=function(a,b){return this.add(a,b,!0)};
+t.add=function(a,b,c,d){if(b&&(a||0===a)){if(!d&&!c&&this.register[a])return this.update(a,b);b=this.encode(b);if(d=b.length){const m=v(),n=v(),w=this.depth,q=this.D;for(let r=0;r<d;r++){let l=b[this.F?d-1-r:r];var e=l.length;if(l&&e>=this.B&&(w||!n[l])){var f=L(q,d,r),g="";switch(this.G){case "full":if(3<e){for(f=0;f<e;f++)for(var h=e;h>f;h--)if(h-f>=this.B){var k=L(q,d,r,e,f);g=l.substring(f,h);M(this,n,g,k,a,c)}break}case "reverse":if(2<e){for(h=e-1;0<h;h--)g=l[h]+g,g.length>=this.B&&M(this,n,
+g,L(q,d,r,e,h),a,c);g=""}case "forward":if(1<e){for(h=0;h<e;h++)g+=l[h],g.length>=this.B&&M(this,n,g,f,a,c);break}default:if(this.C&&(f=Math.min(f/this.C(b,l,r)|0,q-1)),M(this,n,l,f,a,c),w&&1<d&&r<d-1)for(e=v(),g=this.A,f=l,h=Math.min(w+1,d-r),e[f]=1,k=1;k<h;k++)if((l=b[this.F?d-1-r-k:r+k])&&l.length>=this.B&&!e[l]){e[l]=1;const p=this.l&&l>f;M(this,m,p?f:l,L(g+(d/2>g?0:1),d,r,h-1,k-1),a,c,p?l:f)}}}}this.m||(this.register[a]=1)}}return this};
+function L(a,b,c,d,e){return c&&1<a?b+(d||0)<=a?c+(e||0):(a-1)/(b+(d||0))*(c+(e||0))+1|0:0}function M(a,b,c,d,e,f,g){let h=g?a.h:a.map;if(!b[c]||g&&!b[c][g])a.s&&(h=h[d]),g?(b=b[c]||(b[c]=v()),b[g]=1,h=h[g]||(h[g]=v())):b[c]=1,h=h[c]||(h[c]=[]),a.s||(h=h[d]||(h[d]=[])),f&&-1!==h.indexOf(e)||(h[h.length]=e,a.m&&(a=a.register[e]||(a.register[e]=[]),a[a.length]=h))}
+t.search=function(a,b,c){c||(!b&&C(a)?(c=a,a=c.query):C(b)&&(c=b));let d=[],e;let f,g=0;if(c){b=c.limit;g=c.offset||0;var h=c.context;f=c.suggest}if(a&&(a=this.encode(a),e=a.length,1<e)){c=v();var k=[];for(let n=0,w=0,q;n<e;n++)if((q=a[n])&&q.length>=this.B&&!c[q])if(this.s||f||this.map[q])k[w++]=q,c[q]=1;else return d;a=k;e=a.length}if(!e)return d;b||(b=100);h=this.depth&&1<e&&!1!==h;c=0;let m;h?(m=a[0],c=1):1<e&&a.sort(ba);for(let n,w;c<e;c++){w=a[c];h?(n=sa(this,d,f,b,g,2===e,w,m),f&&!1===n&&d.length||
+(m=w)):n=sa(this,d,f,b,g,1===e,w);if(n)return n;if(f&&c===e-1){k=d.length;if(!k){if(h){h=0;c=-1;continue}return d}if(1===k)return ta(d[0],b,g)}}return ma(d,b,g,f)};
+function sa(a,b,c,d,e,f,g,h){let k=[],m=h?a.h:a.map;a.s||(m=ua(m,g,h,a.l));if(m){let n=0;const w=Math.min(m.length,h?a.A:a.D);for(let q=0,r=0,l,p;q<w;q++)if(l=m[q])if(a.s&&(l=ua(l,g,h,a.l)),e&&l&&f&&(p=l.length,p<=e?(e-=p,l=null):(l=l.slice(e),e=0)),l&&(k[n++]=l,f&&(r+=l.length,r>=d)))break;if(n){if(f)return ta(k,d,0);b[b.length]=k;return}}return!c&&k}function ta(a,b,c){a=1===a.length?a[0]:[].concat.apply([],a);return c||a.length>b?a.slice(c,c+b):a}
+function ua(a,b,c,d){c?(d=d&&b>c,a=(a=a[d?b:c])&&a[d?c:b]):a=a[b];return a}t.contain=function(a){return!!this.register[a]};t.update=function(a,b){return this.remove(a).add(a,b)};
+t.remove=function(a,b){const c=this.register[a];if(c){if(this.m)for(let d=0,e;d<c.length;d++)e=c[d],e.splice(e.indexOf(a),1);else N(this.map,a,this.D,this.s),this.depth&&N(this.h,a,this.A,this.s);b||delete this.register[a];if(this.cache){b=this.cache;for(let d=0,e,f;d<b.h.length;d++)f=b.h[d],e=b.cache[f],-1!==e.indexOf(a)&&(b.h.splice(d--,1),delete b.cache[f])}}return this};
+function N(a,b,c,d,e){let f=0;if(a.constructor===Array)if(e)b=a.indexOf(b),-1!==b?1<a.length&&(a.splice(b,1),f++):f++;else{e=Math.min(a.length,c);for(let g=0,h;g<e;g++)if(h=a[g])f=N(h,b,c,d,e),d||f||delete a[g]}else for(let g in a)(f=N(a[g],b,c,d,e))||delete a[g];return f}t.searchCache=oa;
+t.export=function(a,b,c,d,e){let f,g;switch(e||(e=0)){case 0:f="reg";if(this.m){g=v();for(let h in this.register)g[h]=1}else g=this.register;break;case 1:f="cfg";g={doc:0,opt:this.s?1:0};break;case 2:f="map";g=this.map;break;case 3:f="ctx";g=this.h;break;default:return}ra(a,b||this,c?c+"."+f:f,d,e,g);return!0};t.import=function(a,b){if(b)switch(x(b)&&(b=JSON.parse(b)),a){case "cfg":this.s=!!b.opt;break;case "reg":this.m=!1;this.register=b;break;case "map":this.map=b;break;case "ctx":this.h=b}};la(K.prototype);function va(a){a=a.data;var b=self._index;const c=a.args;var d=a.task;switch(d){case "init":d=a.options||{};a=a.factory;b=d.encode;d.cache=!1;b&&0===b.indexOf("function")&&(d.encode=Function("return "+b)());a?(Function("return "+a)()(self),self._index=new self.FlexSearch.Index(d),delete self.FlexSearch):self._index=new K(d);break;default:a=a.id,b=b[d].apply(b,c),postMessage("search"===d?{id:a,msg:b}:{id:a})}};let wa=0;function O(a){if(!(this instanceof O))return new O(a);var b;a?D(b=a.encode)&&(a.encode=b.toString()):a={};(b=(self||window)._factory)&&(b=b.toString());const c=self.exports,d=this;this.o=xa(b,c,a.worker);this.h=v();if(this.o){if(c)this.o.on("message",function(e){d.h[e.id](e.msg);delete d.h[e.id]});else this.o.onmessage=function(e){e=e.data;d.h[e.id](e.msg);delete d.h[e.id]};this.o.postMessage({task:"init",factory:b,options:a})}}P("add");P("append");P("search");P("update");P("remove");
+function P(a){O.prototype[a]=O.prototype[a+"Async"]=function(){const b=this,c=[].slice.call(arguments);var d=c[c.length-1];let e;D(d)&&(e=d,c.splice(c.length-1,1));d=new Promise(function(f){setTimeout(function(){b.h[++wa]=f;b.o.postMessage({task:a,id:wa,args:c})})});return e?(d.then(e),this):d}}
+function xa(a,b,c){let d;try{d=b?eval('new (require("worker_threads")["Worker"])("../dist/node/node.js")'):a?new Worker(URL.createObjectURL(new Blob(["onmessage="+va.toString()],{type:"text/javascript"}))):new Worker(x(c)?c:"worker/worker.js",{type:"module"})}catch(e){}return d};function Q(a){if(!(this instanceof Q))return new Q(a);var b=a.document||a.doc||a,c;this.K=[];this.h=[];this.A=[];this.register=v();this.key=(c=b.key||b.id)&&S(c,this.A)||"id";this.m=u(a.fastupdate);this.C=(c=b.store)&&!0!==c&&[];this.store=c&&v();this.I=(c=b.tag)&&S(c,this.A);this.l=c&&v();this.cache=(c=a.cache)&&new J(c);a.cache=!1;this.o=a.worker;this.async=!1;c=v();let d=b.index||b.field||b;x(d)&&(d=[d]);for(let e=0,f,g;e<d.length;e++)f=d[e],x(f)||(g=f,f=f.field),g=C(g)?Object.assign({},a,g):a,
+this.o&&(c[f]=new O(g),c[f].o||(this.o=!1)),this.o||(c[f]=new K(g,this.register)),this.K[e]=S(f,this.A),this.h[e]=f;if(this.C)for(a=b.store,x(a)&&(a=[a]),b=0;b<a.length;b++)this.C[b]=S(a[b],this.A);this.index=c}function S(a,b){const c=a.split(":");let d=0;for(let e=0;e<c.length;e++)a=c[e],0<=a.indexOf("[]")&&(a=a.substring(0,a.length-2))&&(b[d]=!0),a&&(c[d++]=a);d<c.length&&(c.length=d);return 1<d?c:c[0]}function T(a,b){if(x(b))a=a[b];else for(let c=0;a&&c<b.length;c++)a=a[b[c]];return a}
+function U(a,b,c,d,e){a=a[e];if(d===c.length-1)b[e]=a;else if(a)if(a.constructor===Array)for(b=b[e]=Array(a.length),e=0;e<a.length;e++)U(a,b,c,d,e);else b=b[e]||(b[e]=v()),e=c[++d],U(a,b,c,d,e)}function V(a,b,c,d,e,f,g,h){if(a=a[g])if(d===b.length-1){if(a.constructor===Array){if(c[d]){for(b=0;b<a.length;b++)e.add(f,a[b],!0,!0);return}a=a.join(" ")}e.add(f,a,h,!0)}else if(a.constructor===Array)for(g=0;g<a.length;g++)V(a,b,c,d,e,f,g,h);else g=b[++d],V(a,b,c,d,e,f,g,h)}t=Q.prototype;
+t.add=function(a,b,c){C(a)&&(b=a,a=T(b,this.key));if(b&&(a||0===a)){if(!c&&this.register[a])return this.update(a,b);for(let d=0,e,f;d<this.h.length;d++)f=this.h[d],e=this.K[d],x(e)&&(e=[e]),V(b,e,this.A,0,this.index[f],a,e[0],c);if(this.I){let d=T(b,this.I),e=v();x(d)&&(d=[d]);for(let f=0,g,h;f<d.length;f++)if(g=d[f],!e[g]&&(e[g]=1,h=this.l[g]||(this.l[g]=[]),!c||-1===h.indexOf(a)))if(h[h.length]=a,this.m){const k=this.register[a]||(this.register[a]=[]);k[k.length]=h}}if(this.store&&(!c||!this.store[a])){let d;
+if(this.C){d=v();for(let e=0,f;e<this.C.length;e++)f=this.C[e],x(f)?d[f]=b[f]:U(b,d,f,0,f[0])}this.store[a]=d||b}}return this};t.append=function(a,b){return this.add(a,b,!0)};t.update=function(a,b){return this.remove(a).add(a,b)};
+t.remove=function(a){C(a)&&(a=T(a,this.key));if(this.register[a]){for(var b=0;b<this.h.length&&(this.index[this.h[b]].remove(a,!this.o),!this.m);b++);if(this.I&&!this.m)for(let c in this.l){b=this.l[c];const d=b.indexOf(a);-1!==d&&(1<b.length?b.splice(d,1):delete this.l[c])}this.store&&delete this.store[a];delete this.register[a]}return this};
+t.search=function(a,b,c,d){c||(!b&&C(a)?(c=a,a=c.query):C(b)&&(c=b,b=0));let e=[],f=[],g,h,k,m,n,w,q=0;if(c)if(c.constructor===Array)k=c,c=null;else{k=(g=c.pluck)||c.index||c.field;m=c.tag;h=this.store&&c.enrich;n="and"===c.bool;b=c.limit||100;w=c.offset||0;if(m&&(x(m)&&(m=[m]),!a)){for(let l=0,p;l<m.length;l++)if(p=ya.call(this,m[l],b,w,h))e[e.length]=p,q++;return q?e:[]}x(k)&&(k=[k])}k||(k=this.h);n=n&&(1<k.length||m&&1<m.length);const r=!d&&(this.o||this.async)&&[];for(let l=0,p,z,B;l<k.length;l++){let A;
+z=k[l];x(z)||(A=z,z=z.field);if(r)r[l]=this.index[z].searchAsync(a,b,A||c);else{d?p=d[l]:p=this.index[z].search(a,b,A||c);B=p&&p.length;if(m&&B){const y=[];let H=0;n&&(y[0]=[p]);for(let X=0,pa,R;X<m.length;X++)if(pa=m[X],B=(R=this.l[pa])&&R.length)H++,y[y.length]=n?[R]:R;H&&(p=n?ma(y,b||100,w||0):na(p,y),B=p.length)}if(B)f[q]=z,e[q++]=p;else if(n)return[]}}if(r){const l=this;return new Promise(function(p){Promise.all(r).then(function(z){p(l.search(a,b,c,z))})})}if(!q)return[];if(g&&(!h||!this.store))return e[0];
+for(let l=0,p;l<f.length;l++){p=e[l];p.length&&h&&(p=za.call(this,p));if(g)return p;e[l]={field:f[l],result:p}}return e};function ya(a,b,c,d){let e=this.l[a],f=e&&e.length-c;if(f&&0<f){if(f>b||c)e=e.slice(c,c+b);d&&(e=za.call(this,e));return{tag:a,result:e}}}function za(a){const b=Array(a.length);for(let c=0,d;c<a.length;c++)d=a[c],b[c]={id:d,doc:this.store[d]};return b}t.contain=function(a){return!!this.register[a]};t.get=function(a){return this.store[a]};t.set=function(a,b){this.store[a]=b;return this};
+t.searchCache=oa;t.export=function(a,b,c,d,e){e||(e=0);d||(d=0);if(d<this.h.length){const f=this.h[d],g=this.index[f];b=this;setTimeout(function(){g.export(a,b,e?f.replace(":","-"):"",d,e++)||(d++,e=1,b.export(a,b,f,d,e))})}else{let f;switch(e){case 1:c="tag";f=this.l;break;case 2:c="store";f=this.store;break;default:return}ra(a,this,c,d,e,f)}};
+t.import=function(a,b){if(b)switch(x(b)&&(b=JSON.parse(b)),a){case "tag":this.l=b;break;case "reg":this.m=!1;this.register=b;for(let d=0,e;d<this.h.length;d++)e=this.index[this.h[d]],e.register=b,e.m=!1;break;case "store":this.store=b;break;default:a=a.split(".");const c=a[0];a=a[1];c&&a&&this.index[c].import(a,b)}};la(Q.prototype);var Ba={encode:Aa,F:!1,G:""};const Ca=[F("[\u00e0\u00e1\u00e2\u00e3\u00e4\u00e5]"),"a",F("[\u00e8\u00e9\u00ea\u00eb]"),"e",F("[\u00ec\u00ed\u00ee\u00ef]"),"i",F("[\u00f2\u00f3\u00f4\u00f5\u00f6\u0151]"),"o",F("[\u00f9\u00fa\u00fb\u00fc\u0171]"),"u",F("[\u00fd\u0177\u00ff]"),"y",F("\u00f1"),"n",F("[\u00e7c]"),"k",F("\u00df"),"s",F(" & ")," and "];function Aa(a){var b=a;b.normalize&&(b=b.normalize("NFD").replace(ea,""));return ca.call(this,b.toLowerCase(),!a.normalize&&Ca)};var Ea={encode:Da,F:!1,G:"strict"};const Fa=/[^a-z0-9]+/,Ga={b:"p",v:"f",w:"f",z:"s",x:"s","\u00df":"s",d:"t",n:"m",c:"k",g:"k",j:"k",q:"k",i:"e",y:"e",u:"o"};function Da(a){a=Aa.call(this,a).join(" ");const b=[];if(a){const c=a.split(Fa),d=c.length;for(let e=0,f,g=0;e<d;e++)if((a=c[e])&&(!this.filter||!this.filter[a])){f=a[0];let h=Ga[f]||f,k=h;for(let m=1;m<a.length;m++){f=a[m];const n=Ga[f]||f;n&&n!==k&&(h+=n,k=n)}b[g++]=h}}return b};var Ia={encode:Ha,F:!1,G:""};const Ja=[F("ae"),"a",F("oe"),"o",F("sh"),"s",F("th"),"t",F("ph"),"f",F("pf"),"f",F("(?![aeo])h(?![aeo])"),"",F("(?!^[aeo])h(?!^[aeo])"),""];function Ha(a,b){a&&(a=Da.call(this,a).join(" "),2<a.length&&(a=E(a,Ja)),b||(1<a.length&&(a=ha(a)),a&&(a=a.split(" "))));return a};var La={encode:Ka,F:!1,G:""};const Ma=F("(?!\\b)[aeo]");function Ka(a){a&&(a=Ha.call(this,a,!0),1<a.length&&(a=a.replace(Ma,"")),1<a.length&&(a=ha(a)),a&&(a=a.split(" ")));return a};G["latin:default"]=ja;G["latin:simple"]=Ba;G["latin:balance"]=Ea;G["latin:advanced"]=Ia;G["latin:extra"]=La;const W=self;let Y;const Z={Index:K,Document:Q,Worker:O,registerCharset:function(a,b){G[a]=b},registerLanguage:function(a,b){ka[a]=b}};(Y=W.define)&&Y.amd?Y([],function(){return Z}):W.exports?W.exports=Z:W.FlexSearch=Z;}(this));
diff --git a/assets/js/lunr.min.js b/assets/js/lunr.min.js
deleted file mode 100644
index cdc94cd..0000000
--- a/assets/js/lunr.min.js
+++ /dev/null
@@ -1,6 +0,0 @@
-/**
- * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9
- * Copyright (C) 2020 Oliver Nightingale
- * @license MIT
- */
-!function(){var e=function(t){var r=new e.Builder;return r.pipeline.add(e.trimmer,e.stopWordFilter,e.stemmer),r.searchPipeline.add(e.stemmer),t.call(r,r),r.build()};e.version="2.3.9",e.utils={},e.utils.warn=function(e){return function(t){e.console&&console.warn&&console.warn(t)}}(this),e.utils.asString=function(e){return void 0===e||null===e?"":e.toString()},e.utils.clone=function(e){if(null===e||void 0===e)return e;for(var t=Object.create(null),r=Object.keys(e),i=0;i<r.length;i++){var n=r[i],s=e[n];if(Array.isArray(s))t[n]=s.slice();else{if("string"!=typeof s&&"number"!=typeof s&&"boolean"!=typeof s)throw new TypeError("clone is not deep and does not support nested objects");t[n]=s}}return t},e.FieldRef=function(e,t,r){this.docRef=e,this.fieldName=t,this._stringValue=r},e.FieldRef.joiner="/",e.FieldRef.fromString=function(t){var r=t.indexOf(e.FieldRef.joiner);if(r===-1)throw"malformed field ref string";var i=t.slice(0,r),n=t.slice(r+1);return new e.FieldRef(n,i,t)},e.FieldRef.prototype.toString=function(){return void 0==this._stringValue&&(this._stringValue=this.fieldName+e.FieldRef.joiner+this.docRef),this._stringValue},e.Set=function(e){if(this.elements=Object.create(null),e){this.length=e.length;for(var t=0;t<this.length;t++)this.elements[e[t]]=!0}else this.length=0},e.Set.complete={intersect:function(e){return e},union:function(){return this},contains:function(){return!0}},e.Set.empty={intersect:function(){return this},union:function(e){return e},contains:function(){return!1}},e.Set.prototype.contains=function(e){return!!this.elements[e]},e.Set.prototype.intersect=function(t){var r,i,n,s=[];if(t===e.Set.complete)return this;if(t===e.Set.empty)return t;this.length<t.length?(r=this,i=t):(r=t,i=this),n=Object.keys(r.elements);for(var o=0;o<n.length;o++){var a=n[o];a in i.elements&&s.push(a)}return new e.Set(s)},e.Set.prototype.union=function(t){return t===e.Set.complete?e.Set.complete:t===e.Set.empty?this:new e.Set(Object.keys(this.elements).concat(Object.keys(t.elements)))},e.idf=function(e,t){var r=0;for(var i in e)"_index"!=i&&(r+=Object.keys(e[i]).length);var n=(t-r+.5)/(r+.5);return Math.log(1+Math.abs(n))},e.Token=function(e,t){this.str=e||"",this.metadata=t||{}},e.Token.prototype.toString=function(){return this.str},e.Token.prototype.update=function(e){return this.str=e(this.str,this.metadata),this},e.Token.prototype.clone=function(t){return t=t||function(e){return e},new e.Token(t(this.str,this.metadata),this.metadata)},e.tokenizer=function(t,r){if(null==t||void 0==t)return[];if(Array.isArray(t))return t.map(function(t){return new e.Token(e.utils.asString(t).toLowerCase(),e.utils.clone(r))});for(var i=t.toString().toLowerCase(),n=i.length,s=[],o=0,a=0;o<=n;o++){var u=i.charAt(o),l=o-a;if(u.match(e.tokenizer.separator)||o==n){if(l>0){var c=e.utils.clone(r)||{};c.position=[a,l],c.index=s.length,s.push(new e.Token(i.slice(a,o),c))}a=o+1}}return s},e.tokenizer.separator=/[\s\-]+/,e.Pipeline=function(){this._stack=[]},e.Pipeline.registeredFunctions=Object.create(null),e.Pipeline.registerFunction=function(t,r){r in this.registeredFunctions&&e.utils.warn("Overwriting existing registered function: "+r),t.label=r,e.Pipeline.registeredFunctions[t.label]=t},e.Pipeline.warnIfFunctionNotRegistered=function(t){var r=t.label&&t.label in this.registeredFunctions;r||e.utils.warn("Function is not registered with pipeline. This may cause problems when serialising the index.\n",t)},e.Pipeline.load=function(t){var r=new e.Pipeline;return t.forEach(function(t){var i=e.Pipeline.registeredFunctions[t];if(!i)throw new Error("Cannot load unregistered function: "+t);r.add(i)}),r},e.Pipeline.prototype.add=function(){var t=Array.prototype.slice.call(arguments);t.forEach(function(t){e.Pipeline.warnIfFunctionNotRegistered(t),this._stack.push(t)},this)},e.Pipeline.prototype.after=function(t,r){e.Pipeline.warnIfFunctionNotRegistered(r);var i=this._stack.indexOf(t);if(i==-1)throw new Error("Cannot find existingFn");i+=1,this._stack.splice(i,0,r)},e.Pipeline.prototype.before=function(t,r){e.Pipeline.warnIfFunctionNotRegistered(r);var i=this._stack.indexOf(t);if(i==-1)throw new Error("Cannot find existingFn");this._stack.splice(i,0,r)},e.Pipeline.prototype.remove=function(e){var t=this._stack.indexOf(e);t!=-1&&this._stack.splice(t,1)},e.Pipeline.prototype.run=function(e){for(var t=this._stack.length,r=0;r<t;r++){for(var i=this._stack[r],n=[],s=0;s<e.length;s++){var o=i(e[s],s,e);if(null!==o&&void 0!==o&&""!==o)if(Array.isArray(o))for(var a=0;a<o.length;a++)n.push(o[a]);else n.push(o)}e=n}return e},e.Pipeline.prototype.runString=function(t,r){var i=new e.Token(t,r);return this.run([i]).map(function(e){return e.toString()})},e.Pipeline.prototype.reset=function(){this._stack=[]},e.Pipeline.prototype.toJSON=function(){return this._stack.map(function(t){return e.Pipeline.warnIfFunctionNotRegistered(t),t.label})},e.Vector=function(e){this._magnitude=0,this.elements=e||[]},e.Vector.prototype.positionForIndex=function(e){if(0==this.elements.length)return 0;for(var t=0,r=this.elements.length/2,i=r-t,n=Math.floor(i/2),s=this.elements[2*n];i>1&&(s<e&&(t=n),s>e&&(r=n),s!=e);)i=r-t,n=t+Math.floor(i/2),s=this.elements[2*n];return s==e?2*n:s>e?2*n:s<e?2*(n+1):void 0},e.Vector.prototype.insert=function(e,t){this.upsert(e,t,function(){throw"duplicate index"})},e.Vector.prototype.upsert=function(e,t,r){this._magnitude=0;var i=this.positionForIndex(e);this.elements[i]==e?this.elements[i+1]=r(this.elements[i+1],t):this.elements.splice(i,0,e,t)},e.Vector.prototype.magnitude=function(){if(this._magnitude)return this._magnitude;for(var e=0,t=this.elements.length,r=1;r<t;r+=2){var i=this.elements[r];e+=i*i}return this._magnitude=Math.sqrt(e)},e.Vector.prototype.dot=function(e){for(var t=0,r=this.elements,i=e.elements,n=r.length,s=i.length,o=0,a=0,u=0,l=0;u<n&&l<s;)o=r[u],a=i[l],o<a?u+=2:o>a?l+=2:o==a&&(t+=r[u+1]*i[l+1],u+=2,l+=2);return t},e.Vector.prototype.similarity=function(e){return this.dot(e)/this.magnitude()||0},e.Vector.prototype.toArray=function(){for(var e=new Array(this.elements.length/2),t=1,r=0;t<this.elements.length;t+=2,r++)e[r]=this.elements[t];return e},e.Vector.prototype.toJSON=function(){return this.elements},e.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:""},r="[^aeiou]",i="[aeiouy]",n=r+"[^aeiouy]*",s=i+"[aeiou]*",o="^("+n+")?"+s+n,a="^("+n+")?"+s+n+"("+s+")?$",u="^("+n+")?"+s+n+s+n,l="^("+n+")?"+i,c=new RegExp(o),h=new RegExp(u),d=new RegExp(a),f=new RegExp(l),p=/^(.+?)(ss|i)es$/,y=/^(.+?)([^s])s$/,m=/^(.+?)eed$/,v=/^(.+?)(ed|ing)$/,g=/.$/,x=/(at|bl|iz)$/,w=new RegExp("([^aeiouylsz])\\1$"),Q=new RegExp("^"+n+i+"[^aeiouwxy]$"),k=/^(.+?[^aeiou])y$/,S=/^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/,E=/^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/,L=/^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/,b=/^(.+?)(s|t)(ion)$/,P=/^(.+?)e$/,T=/ll$/,O=new RegExp("^"+n+i+"[^aeiouwxy]$"),I=function(r){var i,n,s,o,a,u,l;if(r.length<3)return r;if(s=r.substr(0,1),"y"==s&&(r=s.toUpperCase()+r.substr(1)),o=p,a=y,o.test(r)?r=r.replace(o,"$1$2"):a.test(r)&&(r=r.replace(a,"$1$2")),o=m,a=v,o.test(r)){var I=o.exec(r);o=c,o.test(I[1])&&(o=g,r=r.replace(o,""))}else if(a.test(r)){var I=a.exec(r);i=I[1],a=f,a.test(i)&&(r=i,a=x,u=w,l=Q,a.test(r)?r+="e":u.test(r)?(o=g,r=r.replace(o,"")):l.test(r)&&(r+="e"))}if(o=k,o.test(r)){var I=o.exec(r);i=I[1],r=i+"i"}if(o=S,o.test(r)){var I=o.exec(r);i=I[1],n=I[2],o=c,o.test(i)&&(r=i+e[n])}if(o=E,o.test(r)){var I=o.exec(r);i=I[1],n=I[2],o=c,o.test(i)&&(r=i+t[n])}if(o=L,a=b,o.test(r)){var I=o.exec(r);i=I[1],o=h,o.test(i)&&(r=i)}else if(a.test(r)){var I=a.exec(r);i=I[1]+I[2],a=h,a.test(i)&&(r=i)}if(o=P,o.test(r)){var I=o.exec(r);i=I[1],o=h,a=d,u=O,(o.test(i)||a.test(i)&&!u.test(i))&&(r=i)}return o=T,a=h,o.test(r)&&a.test(r)&&(o=g,r=r.replace(o,"")),"y"==s&&(r=s.toLowerCase()+r.substr(1)),r};return function(e){return e.update(I)}}(),e.Pipeline.registerFunction(e.stemmer,"stemmer"),e.generateStopWordFilter=function(e){var t=e.reduce(function(e,t){return e[t]=t,e},{});return function(e){if(e&&t[e.toString()]!==e.toString())return e}},e.stopWordFilter=e.generateStopWordFilter(["a","able","about","across","after","all","almost","also","am","among","an","and","any","are","as","at","be","because","been","but","by","can","cannot","could","dear","did","do","does","either","else","ever","every","for","from","get","got","had","has","have","he","her","hers","him","his","how","however","i","if","in","into","is","it","its","just","least","let","like","likely","may","me","might","most","must","my","neither","no","nor","not","of","off","often","on","only","or","other","our","own","rather","said","say","says","she","should","since","so","some","than","that","the","their","them","then","there","these","they","this","tis","to","too","twas","us","wants","was","we","were","what","when","where","which","while","who","whom","why","will","with","would","yet","you","your"]),e.Pipeline.registerFunction(e.stopWordFilter,"stopWordFilter"),e.trimmer=function(e){return e.update(function(e){return e.replace(/^\W+/,"").replace(/\W+$/,"")})},e.Pipeline.registerFunction(e.trimmer,"trimmer"),e.TokenSet=function(){this["final"]=!1,this.edges={},this.id=e.TokenSet._nextId,e.TokenSet._nextId+=1},e.TokenSet._nextId=1,e.TokenSet.fromArray=function(t){for(var r=new e.TokenSet.Builder,i=0,n=t.length;i<n;i++)r.insert(t[i]);return r.finish(),r.root},e.TokenSet.fromClause=function(t){return"editDistance"in t?e.TokenSet.fromFuzzyString(t.term,t.editDistance):e.TokenSet.fromString(t.term)},e.TokenSet.fromFuzzyString=function(t,r){for(var i=new e.TokenSet,n=[{node:i,editsRemaining:r,str:t}];n.length;){var s=n.pop();if(s.str.length>0){var o,a=s.str.charAt(0);a in s.node.edges?o=s.node.edges[a]:(o=new e.TokenSet,s.node.edges[a]=o),1==s.str.length&&(o["final"]=!0),n.push({node:o,editsRemaining:s.editsRemaining,str:s.str.slice(1)})}if(0!=s.editsRemaining){if("*"in s.node.edges)var u=s.node.edges["*"];else{var u=new e.TokenSet;s.node.edges["*"]=u}if(0==s.str.length&&(u["final"]=!0),n.push({node:u,editsRemaining:s.editsRemaining-1,str:s.str}),s.str.length>1&&n.push({node:s.node,editsRemaining:s.editsRemaining-1,str:s.str.slice(1)}),1==s.str.length&&(s.node["final"]=!0),s.str.length>=1){if("*"in s.node.edges)var l=s.node.edges["*"];else{var l=new e.TokenSet;s.node.edges["*"]=l}1==s.str.length&&(l["final"]=!0),n.push({node:l,editsRemaining:s.editsRemaining-1,str:s.str.slice(1)})}if(s.str.length>1){var c,h=s.str.charAt(0),d=s.str.charAt(1);d in s.node.edges?c=s.node.edges[d]:(c=new e.TokenSet,s.node.edges[d]=c),1==s.str.length&&(c["final"]=!0),n.push({node:c,editsRemaining:s.editsRemaining-1,str:h+s.str.slice(2)})}}}return i},e.TokenSet.fromString=function(t){for(var r=new e.TokenSet,i=r,n=0,s=t.length;n<s;n++){var o=t[n],a=n==s-1;if("*"==o)r.edges[o]=r,r["final"]=a;else{var u=new e.TokenSet;u["final"]=a,r.edges[o]=u,r=u}}return i},e.TokenSet.prototype.toArray=function(){for(var e=[],t=[{prefix:"",node:this}];t.length;){var r=t.pop(),i=Object.keys(r.node.edges),n=i.length;r.node["final"]&&(r.prefix.charAt(0),e.push(r.prefix));for(var s=0;s<n;s++){var o=i[s];t.push({prefix:r.prefix.concat(o),node:r.node.edges[o]})}}return e},e.TokenSet.prototype.toString=function(){if(this._str)return this._str;for(var e=this["final"]?"1":"0",t=Object.keys(this.edges).sort(),r=t.length,i=0;i<r;i++){var n=t[i],s=this.edges[n];e=e+n+s.id}return e},e.TokenSet.prototype.intersect=function(t){for(var r=new e.TokenSet,i=void 0,n=[{qNode:t,output:r,node:this}];n.length;){i=n.pop();for(var s=Object.keys(i.qNode.edges),o=s.length,a=Object.keys(i.node.edges),u=a.length,l=0;l<o;l++)for(var c=s[l],h=0;h<u;h++){var d=a[h];if(d==c||"*"==c){var f=i.node.edges[d],p=i.qNode.edges[c],y=f["final"]&&p["final"],m=void 0;d in i.output.edges?(m=i.output.edges[d],m["final"]=m["final"]||y):(m=new e.TokenSet,m["final"]=y,i.output.edges[d]=m),n.push({qNode:p,output:m,node:f})}}}return r},e.TokenSet.Builder=function(){this.previousWord="",this.root=new e.TokenSet,this.uncheckedNodes=[],this.minimizedNodes={}},e.TokenSet.Builder.prototype.insert=function(t){var r,i=0;if(t<this.previousWord)throw new Error("Out of order word insertion");for(var n=0;n<t.length&&n<this.previousWord.length&&t[n]==this.previousWord[n];n++)i++;this.minimize(i),r=0==this.uncheckedNodes.length?this.root:this.uncheckedNodes[this.uncheckedNodes.length-1].child;for(var n=i;n<t.length;n++){var s=new e.TokenSet,o=t[n];r.edges[o]=s,this.uncheckedNodes.push({parent:r,"char":o,child:s}),r=s}r["final"]=!0,this.previousWord=t},e.TokenSet.Builder.prototype.finish=function(){this.minimize(0)},e.TokenSet.Builder.prototype.minimize=function(e){for(var t=this.uncheckedNodes.length-1;t>=e;t--){var r=this.uncheckedNodes[t],i=r.child.toString();i in this.minimizedNodes?r.parent.edges[r["char"]]=this.minimizedNodes[i]:(r.child._str=i,this.minimizedNodes[i]=r.child),this.uncheckedNodes.pop()}},e.Index=function(e){this.invertedIndex=e.invertedIndex,this.fieldVectors=e.fieldVectors,this.tokenSet=e.tokenSet,this.fields=e.fields,this.pipeline=e.pipeline},e.Index.prototype.search=function(t){return this.query(function(r){var i=new e.QueryParser(t,r);i.parse()})},e.Index.prototype.query=function(t){for(var r=new e.Query(this.fields),i=Object.create(null),n=Object.create(null),s=Object.create(null),o=Object.create(null),a=Object.create(null),u=0;u<this.fields.length;u++)n[this.fields[u]]=new e.Vector;t.call(r,r);for(var u=0;u<r.clauses.length;u++){var l=r.clauses[u],c=null,h=e.Set.empty;c=l.usePipeline?this.pipeline.runString(l.term,{fields:l.fields}):[l.term];for(var d=0;d<c.length;d++){var f=c[d];l.term=f;var p=e.TokenSet.fromClause(l),y=this.tokenSet.intersect(p).toArray();if(0===y.length&&l.presence===e.Query.presence.REQUIRED){for(var m=0;m<l.fields.length;m++){var v=l.fields[m];o[v]=e.Set.empty}break}for(var g=0;g<y.length;g++)for(var x=y[g],w=this.invertedIndex[x],Q=w._index,m=0;m<l.fields.length;m++){var v=l.fields[m],k=w[v],S=Object.keys(k),E=x+"/"+v,L=new e.Set(S);if(l.presence==e.Query.presence.REQUIRED&&(h=h.union(L),void 0===o[v]&&(o[v]=e.Set.complete)),l.presence!=e.Query.presence.PROHIBITED){if(n[v].upsert(Q,l.boost,function(e,t){return e+t}),!s[E]){for(var b=0;b<S.length;b++){var P,T=S[b],O=new e.FieldRef(T,v),I=k[T];void 0===(P=i[O])?i[O]=new e.MatchData(x,v,I):P.add(x,v,I)}s[E]=!0}}else void 0===a[v]&&(a[v]=e.Set.empty),a[v]=a[v].union(L)}}if(l.presence===e.Query.presence.REQUIRED)for(var m=0;m<l.fields.length;m++){var v=l.fields[m];o[v]=o[v].intersect(h)}}for(var R=e.Set.complete,F=e.Set.empty,u=0;u<this.fields.length;u++){var v=this.fields[u];o[v]&&(R=R.intersect(o[v])),a[v]&&(F=F.union(a[v]))}var C=Object.keys(i),N=[],_=Object.create(null);if(r.isNegated()){C=Object.keys(this.fieldVectors);for(var u=0;u<C.length;u++){var O=C[u],j=e.FieldRef.fromString(O);i[O]=new e.MatchData}}for(var u=0;u<C.length;u++){var j=e.FieldRef.fromString(C[u]),D=j.docRef;if(R.contains(D)&&!F.contains(D)){var A,B=this.fieldVectors[j],V=n[j.fieldName].similarity(B);if(void 0!==(A=_[D]))A.score+=V,A.matchData.combine(i[j]);else{var z={ref:D,score:V,matchData:i[j]};_[D]=z,N.push(z)}}}return N.sort(function(e,t){return t.score-e.score})},e.Index.prototype.toJSON=function(){var t=Object.keys(this.invertedIndex).sort().map(function(e){return[e,this.invertedIndex[e]]},this),r=Object.keys(this.fieldVectors).map(function(e){return[e,this.fieldVectors[e].toJSON()]},this);return{version:e.version,fields:this.fields,fieldVectors:r,invertedIndex:t,pipeline:this.pipeline.toJSON()}},e.Index.load=function(t){var r={},i={},n=t.fieldVectors,s=Object.create(null),o=t.invertedIndex,a=new e.TokenSet.Builder,u=e.Pipeline.load(t.pipeline);t.version!=e.version&&e.utils.warn("Version mismatch when loading serialised index. Current version of lunr '"+e.version+"' does not match serialized index '"+t.version+"'");for(var l=0;l<n.length;l++){var c=n[l],h=c[0],d=c[1];i[h]=new e.Vector(d)}for(var l=0;l<o.length;l++){var c=o[l],f=c[0],p=c[1];a.insert(f),s[f]=p}return a.finish(),r.fields=t.fields,r.fieldVectors=i,r.invertedIndex=s,r.tokenSet=a.root,r.pipeline=u,new e.Index(r)},e.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=e.tokenizer,this.pipeline=new e.Pipeline,this.searchPipeline=new e.Pipeline,this.documentCount=0,this._b=.75,this._k1=1.2,this.termIndex=0,this.metadataWhitelist=[]},e.Builder.prototype.ref=function(e){this._ref=e},e.Builder.prototype.field=function(e,t){if(/\//.test(e))throw new RangeError("Field '"+e+"' contains illegal character '/'");this._fields[e]=t||{}},e.Builder.prototype.b=function(e){e<0?this._b=0:e>1?this._b=1:this._b=e},e.Builder.prototype.k1=function(e){this._k1=e},e.Builder.prototype.add=function(t,r){var i=t[this._ref],n=Object.keys(this._fields);this._documents[i]=r||{},this.documentCount+=1;for(var s=0;s<n.length;s++){var o=n[s],a=this._fields[o].extractor,u=a?a(t):t[o],l=this.tokenizer(u,{fields:[o]}),c=this.pipeline.run(l),h=new e.FieldRef(i,o),d=Object.create(null);this.fieldTermFrequencies[h]=d,this.fieldLengths[h]=0,this.fieldLengths[h]+=c.length;for(var f=0;f<c.length;f++){var p=c[f];if(void 0==d[p]&&(d[p]=0),d[p]+=1,void 0==this.invertedIndex[p]){var y=Object.create(null);y._index=this.termIndex,this.termIndex+=1;for(var m=0;m<n.length;m++)y[n[m]]=Object.create(null);this.invertedIndex[p]=y}void 0==this.invertedIndex[p][o][i]&&(this.invertedIndex[p][o][i]=Object.create(null));for(var v=0;v<this.metadataWhitelist.length;v++){var g=this.metadataWhitelist[v],x=p.metadata[g];void 0==this.invertedIndex[p][o][i][g]&&(this.invertedIndex[p][o][i][g]=[]),this.invertedIndex[p][o][i][g].push(x)}}}},e.Builder.prototype.calculateAverageFieldLengths=function(){for(var t=Object.keys(this.fieldLengths),r=t.length,i={},n={},s=0;s<r;s++){var o=e.FieldRef.fromString(t[s]),a=o.fieldName;n[a]||(n[a]=0),n[a]+=1,i[a]||(i[a]=0),i[a]+=this.fieldLengths[o]}for(var u=Object.keys(this._fields),s=0;s<u.length;s++){var l=u[s];i[l]=i[l]/n[l]}this.averageFieldLength=i},e.Builder.prototype.createFieldVectors=function(){for(var t={},r=Object.keys(this.fieldTermFrequencies),i=r.length,n=Object.create(null),s=0;s<i;s++){for(var o=e.FieldRef.fromString(r[s]),a=o.fieldName,u=this.fieldLengths[o],l=new e.Vector,c=this.fieldTermFrequencies[o],h=Object.keys(c),d=h.length,f=this._fields[a].boost||1,p=this._documents[o.docRef].boost||1,y=0;y<d;y++){var m,v,g,x=h[y],w=c[x],Q=this.invertedIndex[x]._index;void 0===n[x]?(m=e.idf(this.invertedIndex[x],this.documentCount),n[x]=m):m=n[x],v=m*((this._k1+1)*w)/(this._k1*(1-this._b+this._b*(u/this.averageFieldLength[a]))+w),v*=f,v*=p,g=Math.round(1e3*v)/1e3,l.insert(Q,g)}t[o]=l}this.fieldVectors=t},e.Builder.prototype.createTokenSet=function(){this.tokenSet=e.TokenSet.fromArray(Object.keys(this.invertedIndex).sort())},e.Builder.prototype.build=function(){return this.calculateAverageFieldLengths(),this.createFieldVectors(),this.createTokenSet(),new e.Index({invertedIndex:this.invertedIndex,fieldVectors:this.fieldVectors,tokenSet:this.tokenSet,fields:Object.keys(this._fields),pipeline:this.searchPipeline})},e.Builder.prototype.use=function(e){var t=Array.prototype.slice.call(arguments,1);t.unshift(this),e.apply(this,t)},e.MatchData=function(e,t,r){for(var i=Object.create(null),n=Object.keys(r||{}),s=0;s<n.length;s++){var o=n[s];i[o]=r[o].slice()}this.metadata=Object.create(null),void 0!==e&&(this.metadata[e]=Object.create(null),this.metadata[e][t]=i)},e.MatchData.prototype.combine=function(e){for(var t=Object.keys(e.metadata),r=0;r<t.length;r++){var i=t[r],n=Object.keys(e.metadata[i]);void 0==this.metadata[i]&&(this.metadata[i]=Object.create(null));for(var s=0;s<n.length;s++){var o=n[s],a=Object.keys(e.metadata[i][o]);void 0==this.metadata[i][o]&&(this.metadata[i][o]=Object.create(null));for(var u=0;u<a.length;u++){var l=a[u];void 0==this.metadata[i][o][l]?this.metadata[i][o][l]=e.metadata[i][o][l]:this.metadata[i][o][l]=this.metadata[i][o][l].concat(e.metadata[i][o][l])}}}},e.MatchData.prototype.add=function(e,t,r){if(!(e in this.metadata))return this.metadata[e]=Object.create(null),void(this.metadata[e][t]=r);if(!(t in this.metadata[e]))return void(this.metadata[e][t]=r);for(var i=Object.keys(r),n=0;n<i.length;n++){var s=i[n];s in this.metadata[e][t]?this.metadata[e][t][s]=this.metadata[e][t][s].concat(r[s]):this.metadata[e][t][s]=r[s]}},e.Query=function(e){this.clauses=[],this.allFields=e},e.Query.wildcard=new String("*"),e.Query.wildcard.NONE=0,e.Query.wildcard.LEADING=1,e.Query.wildcard.TRAILING=2,e.Query.presence={OPTIONAL:1,REQUIRED:2,PROHIBITED:3},e.Query.prototype.clause=function(t){return"fields"in t||(t.fields=this.allFields),"boost"in t||(t.boost=1),"usePipeline"in t||(t.usePipeline=!0),"wildcard"in t||(t.wildcard=e.Query.wildcard.NONE),t.wildcard&e.Query.wildcard.LEADING&&t.term.charAt(0)!=e.Query.wildcard&&(t.term="*"+t.term),t.wildcard&e.Query.wildcard.TRAILING&&t.term.slice(-1)!=e.Query.wildcard&&(t.term=""+t.term+"*"),"presence"in t||(t.presence=e.Query.presence.OPTIONAL),this.clauses.push(t),this},e.Query.prototype.isNegated=function(){for(var t=0;t<this.clauses.length;t++)if(this.clauses[t].presence!=e.Query.presence.PROHIBITED)return!1;return!0},e.Query.prototype.term=function(t,r){if(Array.isArray(t))return t.forEach(function(t){this.term(t,e.utils.clone(r))},this),this;var i=r||{};return i.term=t.toString(),this.clause(i),this},e.QueryParseError=function(e,t,r){this.name="QueryParseError",this.message=e,this.start=t,this.end=r},e.QueryParseError.prototype=new Error,e.QueryLexer=function(e){this.lexemes=[],this.str=e,this.length=e.length,this.pos=0,this.start=0,this.escapeCharPositions=[]},e.QueryLexer.prototype.run=function(){for(var t=e.QueryLexer.lexText;t;)t=t(this)},e.QueryLexer.prototype.sliceString=function(){for(var e=[],t=this.start,r=this.pos,i=0;i<this.escapeCharPositions.length;i++)r=this.escapeCharPositions[i],e.push(this.str.slice(t,r)),t=r+1;return e.push(this.str.slice(t,this.pos)),this.escapeCharPositions.length=0,e.join("")},e.QueryLexer.prototype.emit=function(e){this.lexemes.push({type:e,str:this.sliceString(),start:this.start,end:this.pos}),this.start=this.pos},e.QueryLexer.prototype.escapeCharacter=function(){this.escapeCharPositions.push(this.pos-1),this.pos+=1},e.QueryLexer.prototype.next=function(){if(this.pos>=this.length)return e.QueryLexer.EOS;var t=this.str.charAt(this.pos);return this.pos+=1,t},e.QueryLexer.prototype.width=function(){return this.pos-this.start},e.QueryLexer.prototype.ignore=function(){this.start==this.pos&&(this.pos+=1),this.start=this.pos},e.QueryLexer.prototype.backup=function(){this.pos-=1},e.QueryLexer.prototype.acceptDigitRun=function(){var t,r;do t=this.next(),r=t.charCodeAt(0);while(r>47&&r<58);t!=e.QueryLexer.EOS&&this.backup()},e.QueryLexer.prototype.more=function(){return this.pos<this.length},e.QueryLexer.EOS="EOS",e.QueryLexer.FIELD="FIELD",e.QueryLexer.TERM="TERM",e.QueryLexer.EDIT_DISTANCE="EDIT_DISTANCE",e.QueryLexer.BOOST="BOOST",e.QueryLexer.PRESENCE="PRESENCE",e.QueryLexer.lexField=function(t){return t.backup(),t.emit(e.QueryLexer.FIELD),t.ignore(),e.QueryLexer.lexText},e.QueryLexer.lexTerm=function(t){if(t.width()>1&&(t.backup(),t.emit(e.QueryLexer.TERM)),t.ignore(),t.more())return e.QueryLexer.lexText},e.QueryLexer.lexEditDistance=function(t){return t.ignore(),t.acceptDigitRun(),t.emit(e.QueryLexer.EDIT_DISTANCE),e.QueryLexer.lexText},e.QueryLexer.lexBoost=function(t){return t.ignore(),t.acceptDigitRun(),t.emit(e.QueryLexer.BOOST),e.QueryLexer.lexText},e.QueryLexer.lexEOS=function(t){t.width()>0&&t.emit(e.QueryLexer.TERM)},e.QueryLexer.termSeparator=e.tokenizer.separator,e.QueryLexer.lexText=function(t){for(;;){var r=t.next();if(r==e.QueryLexer.EOS)return e.QueryLexer.lexEOS;if(92!=r.charCodeAt(0)){if(":"==r)return e.QueryLexer.lexField;if("~"==r)return t.backup(),t.width()>0&&t.emit(e.QueryLexer.TERM),e.QueryLexer.lexEditDistance;if("^"==r)return t.backup(),t.width()>0&&t.emit(e.QueryLexer.TERM),e.QueryLexer.lexBoost;if("+"==r&&1===t.width())return t.emit(e.QueryLexer.PRESENCE),e.QueryLexer.lexText;if("-"==r&&1===t.width())return t.emit(e.QueryLexer.PRESENCE),e.QueryLexer.lexText;if(r.match(e.QueryLexer.termSeparator))return e.QueryLexer.lexTerm}else t.escapeCharacter()}},e.QueryParser=function(t,r){this.lexer=new e.QueryLexer(t),this.query=r,this.currentClause={},this.lexemeIdx=0},e.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var t=e.QueryParser.parseClause;t;)t=t(this);return this.query},e.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},e.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},e.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},e.QueryParser.parseClause=function(t){var r=t.peekLexeme();if(void 0!=r)switch(r.type){case e.QueryLexer.PRESENCE:return e.QueryParser.parsePresence;case e.QueryLexer.FIELD:return e.QueryParser.parseField;case e.QueryLexer.TERM:return e.QueryParser.parseTerm;default:var i="expected either a field or a term, found "+r.type;throw r.str.length>=1&&(i+=" with value '"+r.str+"'"),new e.QueryParseError(i,r.start,r.end)}},e.QueryParser.parsePresence=function(t){var r=t.consumeLexeme();if(void 0!=r){switch(r.str){case"-":t.currentClause.presence=e.Query.presence.PROHIBITED;break;case"+":t.currentClause.presence=e.Query.presence.REQUIRED;break;default:var i="unrecognised presence operator'"+r.str+"'";throw new e.QueryParseError(i,r.start,r.end)}var n=t.peekLexeme();if(void 0==n){var i="expecting term or field, found nothing";throw new e.QueryParseError(i,r.start,r.end)}switch(n.type){case e.QueryLexer.FIELD:return e.QueryParser.parseField;case e.QueryLexer.TERM:return e.QueryParser.parseTerm;default:var i="expecting term or field, found '"+n.type+"'";throw new e.QueryParseError(i,n.start,n.end)}}},e.QueryParser.parseField=function(t){var r=t.consumeLexeme();if(void 0!=r){if(t.query.allFields.indexOf(r.str)==-1){var i=t.query.allFields.map(function(e){return"'"+e+"'"}).join(", "),n="unrecognised field '"+r.str+"', possible fields: "+i;throw new e.QueryParseError(n,r.start,r.end)}t.currentClause.fields=[r.str];var s=t.peekLexeme();if(void 0==s){var n="expecting term, found nothing";throw new e.QueryParseError(n,r.start,r.end)}switch(s.type){case e.QueryLexer.TERM:return e.QueryParser.parseTerm;default:var n="expecting term, found '"+s.type+"'";throw new e.QueryParseError(n,s.start,s.end)}}},e.QueryParser.parseTerm=function(t){var r=t.consumeLexeme();if(void 0!=r){t.currentClause.term=r.str.toLowerCase(),r.str.indexOf("*")!=-1&&(t.currentClause.usePipeline=!1);var i=t.peekLexeme();if(void 0==i)return void t.nextClause();switch(i.type){case e.QueryLexer.TERM:return t.nextClause(),e.QueryParser.parseTerm;case e.QueryLexer.FIELD:return t.nextClause(),e.QueryParser.parseField;case e.QueryLexer.EDIT_DISTANCE:return e.QueryParser.parseEditDistance;case e.QueryLexer.BOOST:return e.QueryParser.parseBoost;case e.QueryLexer.PRESENCE:return t.nextClause(),e.QueryParser.parsePresence;default:var n="Unexpected lexeme type '"+i.type+"'";throw new e.QueryParseError(n,i.start,i.end)}}},e.QueryParser.parseEditDistance=function(t){var r=t.consumeLexeme();if(void 0!=r){var i=parseInt(r.str,10);if(isNaN(i)){var n="edit distance must be numeric";throw new e.QueryParseError(n,r.start,r.end)}t.currentClause.editDistance=i;var s=t.peekLexeme();if(void 0==s)return void t.nextClause();switch(s.type){case e.QueryLexer.TERM:return t.nextClause(),e.QueryParser.parseTerm;case e.QueryLexer.FIELD:return t.nextClause(),e.QueryParser.parseField;case e.QueryLexer.EDIT_DISTANCE:return e.QueryParser.parseEditDistance;case e.QueryLexer.BOOST:return e.QueryParser.parseBoost;case e.QueryLexer.PRESENCE:return t.nextClause(),e.QueryParser.parsePresence;default:var n="Unexpected lexeme type '"+s.type+"'";throw new e.QueryParseError(n,s.start,s.end)}}},e.QueryParser.parseBoost=function(t){var r=t.consumeLexeme();if(void 0!=r){var i=parseInt(r.str,10);if(isNaN(i)){var n="boost must be numeric";throw new e.QueryParseError(n,r.start,r.end)}t.currentClause.boost=i;var s=t.peekLexeme();if(void 0==s)return void t.nextClause();switch(s.type){case e.QueryLexer.TERM:return t.nextClause(),e.QueryParser.parseTerm;case e.QueryLexer.FIELD:return t.nextClause(),e.QueryParser.parseField;case e.QueryLexer.EDIT_DISTANCE:return e.QueryParser.parseEditDistance;case e.QueryLexer.BOOST:return e.QueryParser.parseBoost;case e.QueryLexer.PRESENCE:return t.nextClause(),e.QueryParser.parsePresence;default:var n="Unexpected lexeme type '"+s.type+"'";throw new e.QueryParseError(n,s.start,s.end)}}},function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():e.lunr=t()}(this,function(){return e})}();
diff --git a/assets/js/search.js b/assets/js/search.js
index f172bd6..2da9df3 100644
--- a/assets/js/search.js
+++ b/assets/js/search.js
@@ -1,84 +1,28 @@
-let lunrIndex
-let lunrResult
-let pagesIndex
+{{ $searchData := resources.Get "list.json" | resources.ExecuteAsTemplate "search-data.json" . }}
+const searchDataURL = '{{ $searchData.RelPermalink }}'
 
-const bigramTokeniser = (obj, metadata) => {
-  if (obj == null || obj == undefined) {
-    return []
-  }
-
-  let str = obj.toString().trim().toLowerCase()
-  let tokens = []
-
-  for (let i = 0; i <= str.length - 2; i++) {
-    let 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 index = '../post/index.json'
-
-const initLunr = () => {
-  let request = new XMLHttpRequest()
-  request.open('GET', index, true)
-  request.onload = function () {
-    if (this.status >= 200 && this.status < 400) {
-      pagesIndex = JSON.parse(this.response)
-      lunrIndex = lunr(function () {
-        this.tokenizer = bigramTokeniser
-        this.pipeline.reset()
-        this.ref('ref')
-        this.field('title', { boost: 10 })
-        this.field('body')
-        this.metadataWhitelist = ['position']
-        pagesIndex.forEach((page) => {
-          this.add(page)
-        }, this)
-      })
-    } else {
-      console.error('Error getting Hugo index flie')
-    }
-  }
-  request.onerror = function () {
-    console.error('connection error')
-  }
-  request.send()
-}
-
-/**
- * Searching pages using lunr
- * @param {String} query Query string for searching
- * @return {Object[]} Array of search results
- */
-const search = (query) => {
-  lunrResult = lunrIndex.search(queryNgramSeparator(query))
-  return lunrResult.map((result) => {
-    return pagesIndex.filter((page) => {
-      return page.ref === result.ref
-    })[0]
-  })
-}
-
-const initUI = () => {
+const init = () => {
   const searchBox = document.querySelector('#searchBox')
   if (searchBox === null) {
     return
   }
+
+  let index = new FlexSearch.Document({
+    tokenize: 'reverse',
+    document: {
+      field: ['title', 'body'],
+      store: ['title', 'href', 'body']
+    },
+  })
+
+  fetch(searchDataURL)
+    .then(pages => pages.json())
+    .then(pages => {
+      for(let i = 0; i < pages.length; i++){
+        index.add(i, pages[i]);
+      }
+    })
+
   searchBox.addEventListener('keyup', function (event) {
     let searchResultsArea = document.querySelector('#searchResults')
     let query = event.currentTarget.value
@@ -90,20 +34,19 @@ const initUI = () => {
     }
 
     // Display search results
-    renderResults(search(query))
+    renderResults(index.search(query, 10, { enrich: true }));
     searchResultsArea.style.display = 'block'
   })
 }
 
 /**
  * Rendering search results
- * @param {Object[]} results Array of search results
+ * @param {Object[]} results Array of search results ( fields[] => { field, result[] => { document }} )
  */
 const renderResults = (results) => {
   const searchResults = document.querySelector('#searchResults')
   const query = document.querySelector('#searchBox').value
   const BODY_LENGTH = 100
-  const MAX_PAGES = 10
 
   // Clear search result
   while (searchResults.firstChild)
@@ -118,25 +61,29 @@ const renderResults = (results) => {
     return
   }
 
+  let arr = results[0].result
+  if (results.length > 1) {
+    arr.concat(results[1].result)
+  }
+  arr.filter((element, index, self) =>
+    self.findIndex(e => e.id === element.id) === index)
+
   let instance = new Mark(document.querySelector('#searchResults'))
-  // Only show the ten first results
-  results.slice(0, MAX_PAGES).forEach((result, idx) => {
+  arr.forEach((result) => {
     let resultPage = document.createElement('div')
     resultPage.className = 'searchResultPage'
-    let metadata = lunrResult[idx].matchData.metadata
-    let matchPosition = metadata[Object.keys(metadata)[0]].body.position[0][0]
-    let bodyStartPosition =
-      matchPosition - BODY_LENGTH / 2 > 0 ? matchPosition - BODY_LENGTH / 2 : 0
 
     let resultTitle = document.createElement('a')
     resultTitle.className = 'searchResultTitle'
-    resultTitle.href = result.ref
-    resultTitle.innerHTML = result.title
+    resultTitle.href = result.doc.href
+    resultTitle.innerHTML = result.doc.title
     resultPage.append(resultTitle)
 
     let resultBody = document.createElement('div')
     resultBody.className = 'searchResultBody'
-    resultBody.innerHTML = result.body.substr(bodyStartPosition, BODY_LENGTH)
+    let matchPos = result.doc.body.indexOf(query)
+    let bodyStartPos = matchPos - BODY_LENGTH / 2 > 0 ? matchPos - BODY_LENGTH / 2 : 0
+    resultBody.innerHTML = result.doc.body.substr(bodyStartPos, BODY_LENGTH)
     resultPage.append(resultBody)
     searchResults.append(resultPage)
 
@@ -144,5 +91,4 @@ const renderResults = (results) => {
   })
 }
 
-initLunr()
-initUI()
+init();
diff --git a/layouts/_default/list.json b/assets/list.json
index 65d080a..9126d52 100644
--- a/layouts/_default/list.json
+++ b/assets/list.json
@@ -1,14 +1,15 @@
 [
-    {{ range $index, $page := .Pages }}
-        {{ if eq .Type "post" }}
+    {{ $pages := where .Site.Pages "Kind" "in" (slice "page" "post") }}
+    {{ $pages = where $pages "Content" "not in" (slice nil "") }}
+    {{ range $index, $page := $pages }}
         {{ if ne $index 0 }},{{ end }}
             {
-                "ref": "{{ $page.Permalink }}",
+                "id": {{ $index }},
+                "href": "{{ $page.Permalink }}",
                 "title": {{ $page.Title | jsonify }},
                 "section": "{{ $page.Section }}",
                 "date" : {{ $page.Date.Format "2006.01.02" | jsonify }},
                 "body": {{ $page.Plain | jsonify }}
             }
-        {{ end }}
     {{ end }}
 ]
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 7507d7e..dda2612 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -66,10 +66,14 @@
 <script defer crossorigin="anonymous" src="{{ $instantpage.RelPermalink }}" integrity="{{ $instantpage.Data.Integrity }}"></script>
 
 {{- if (eq .Layout `search`) -}}
-  {{ $lunr := resources.Get "js/lunr.min.js" }}
+  {{ $flexsearch := resources.Get "js/flexsearch.bundle.js" }}
+  <script defer crossorigin="anonymous" src="{{ $flexsearch.RelPermalink }}" integrity="{{ $flexsearch.Data.Integrity }}"></script>
+
   {{ $mark := resources.Get "js/mark.min.js" }}
   {{ $basesearch := resources.Get "js/search.js" }}
-  {{ $search := (slice $lunr $mark $basesearch) | resources.Concat "js/search.js" | minify }}
+
+  {{ $searchJSFile := printf "js/%s.search.js" .Language.Lang }}
+  {{ $search := (slice $mark $basesearch) | resources.Concat "js/search.js" | resources.ExecuteAsTemplate $searchJSFile . | resources.Fingerprint }}
   <script defer crossorigin="anonymous" src="{{ $search.RelPermalink }}" integrity="{{ $search.Data.Integrity }}"></script>
 {{- end -}}
 
diff --git a/package-lock.json b/package-lock.json
index 0d268ff..b075a3a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1000,6 +1000,11 @@
       "integrity": "sha512-zAoAQiudy+r5SvnSw3KJy5os/oRJYHzrzja/tBDqrZtNhUw8bt6y8OBzMWcjWr+8liV8Eb6yOhw8WZ7VFZ5ZzA==",
       "dev": true
     },
+    "flexsearch": {
+      "version": "0.7.21",
+      "resolved": "https://registry.npmjs.org/flexsearch/-/flexsearch-0.7.21.tgz",
+      "integrity": "sha512-W7cHV7Hrwjid6lWmy0IhsWDFQboWSng25U3VVywpHOTJnnAZNPScog67G+cVpeX9f7yDD21ih0WDrMMT+JoaYg=="
+    },
     "fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
@@ -1654,11 +1659,6 @@
         "yallist": "^4.0.0"
       }
     },
-    "lunr": {
-      "version": "2.3.9",
-      "resolved": "https://registry.npmjs.org/lunr/-/lunr-2.3.9.tgz",
-      "integrity": "sha512-zTU3DaZaF3Rt9rhN3uBMGQD3dD2/vFQqnvZCDv4dl5iOzq2IZQqTxu90r4E5J+nP70J3ilqVCrbho2eWaeW8Ow=="
-    },
     "make-plural": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/make-plural/-/make-plural-4.3.0.tgz",
diff --git a/package.json b/package.json
index 56e1999..3d5bb3a 100644
--- a/package.json
+++ b/package.json
@@ -11,8 +11,8 @@
   "author": "matsuyoshi30",
   "license": "MIT",
   "dependencies": {
-    "instant.page": "^3.0.0",
-    "lunr": "^2.3.9"
+    "flexsearch": "^0.7.21",
+    "instant.page": "^3.0.0"
   },
   "devDependencies": {
     "eslint": "^7.23.0",