19 lines
5.6 KiB
JavaScript
19 lines
5.6 KiB
JavaScript
/**!
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* FlexSearch.js v0.7.41 (Light.module)
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* Author and Copyright: Thomas Wilkerling
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* Licence: Apache-2.0
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* Hosted by Nextapps GmbH
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* https://github.com/nextapps-de/flexsearch
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*/
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function t(a){return"undefined"!==typeof a?a:!0}function v(a){const b=Array(a);for(let c=0;c<a;c++)b[c]=y();return b}function y(){return Object.create(null)}function z(a,b){return b.length-a.length};const A=/[\p{Z}\p{S}\p{P}\p{C}]+/u;function B(a,b){const c=Object.keys(a),d=c.length,e=[];let h="",f=0;for(let g=0,l,n;g<d;g++)l=c[g],(n=a[l])?(e[f++]=new RegExp(b?"(?!\\b)"+l+"(\\b|_)":l,"g"),e[f++]=n):h+=(h?"|":"")+l;h&&(e[f++]=new RegExp(b?"(?!\\b)("+h+")(\\b|_)":"("+h+")","g"),e[f]="");return e}function C(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 E(a){if(a=(""+a).toLowerCase())if(this.o&&(a=C(a,this.o)),this.A&&1<a.length&&(a=C(a,this.A)),A||""===A){const b=a.split(A);if(this.filter){a=this.filter;const c=b.length,d=[];for(let e=0,h=0;e<c;e++){const f=b[e];f&&!a[f]&&(d[h++]=f)}a=d}else a=b}return a};const F={},G={};function H(a,b,c,d){const e=a.length;let h=[],f,g,l=0;d&&(d=[]);for(let n=e-1;0<=n;n--){const m=a[n],r=m.length,p=y();let q=!f;for(let k=0;k<r;k++){const u=m[k],J=u.length;if(J)for(let D=0,x,w;D<J;D++)if(w=u[D],f){if(f[w]){if(!n)if(c)c--;else if(h[l++]=w,l===b)return h;if(n||d)p[w]=1;q=!0}if(d&&(x=(g[w]||0)+1,g[w]=x,x<e)){const K=d[x-2]||(d[x-2]=[]);K[K.length]=w}}else p[w]=1}if(d)f||(g=p);else if(!q)return[];f=p}if(d)for(let n=d.length-1,m,r;0<=n;n--){m=d[n];r=m.length;for(let p=0,q;p<r;p++)if(q=
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m[p],!f[q]){if(c)c--;else if(h[l++]=q,l===b)return h;f[q]=1}}return h};function I(a,b){if(!(this instanceof I))return new I(a);let c;if(a){var d=a.charset;c=a.lang;"string"===typeof d&&(-1===d.indexOf(":")&&(d+=":default"),d=G[d]);"string"===typeof c&&(c=F[c])}else a={};let e,h,f=a.context||{};this.encode=a.encode||d&&d.encode||E;this.register=b||y();this.s=e=a.resolution||9;this.B=b=d&&d.B||a.tokenize||"strict";this.i="strict"===b&&f.depth;this.j=t(f.bidirectional);this.g=h=t(a.optimize);this.m=t(a.fastupdate);this.h=a.minlength||1;this.C=a.boost;this.map=h?v(e):y();
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this.v=e=f.resolution||1;this.l=h?v(e):y();this.u=d&&d.u||a.rtl;this.o=(b=a.matcher||c&&c.o)&&B(b,!1);this.A=(b=a.stemmer||c&&c.A)&&B(b,!0);if(a=b=a.filter||c&&c.filter){a=b;d=y();for(let g=0,l=a.length;g<l;g++)d[a[g]]=1;a=d}this.filter=a}I.prototype.append=function(a,b){return this.add(a,b,!0)};
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I.prototype.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 n=y(),m=y(),r=this.i,p=this.s;for(let q=0;q<d;q++){let k=b[this.u?d-1-q:q];var e=k.length;if(k&&e>=this.h&&(r||!m[k])){var h=L(p,d,q),f="";switch(this.B){case "full":if(2<e){for(h=0;h<e;h++)for(var g=e;g>h;g--)if(g-h>=this.h){var l=L(p,d,q,e,h);f=k.substring(h,g);M(this,m,f,l,a,c)}break}case "reverse":if(1<e){for(g=e-1;0<g;g--)f=k[g]+f,f.length>=this.h&&M(this,
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m,f,L(p,d,q,e,g),a,c);f=""}case "forward":if(1<e){for(g=0;g<e;g++)f+=k[g],f.length>=this.h&&M(this,m,f,h,a,c);break}default:if(this.C&&(h=Math.min(h/this.C(b,k,q)|0,p-1)),M(this,m,k,h,a,c),r&&1<d&&q<d-1)for(e=y(),f=this.v,h=k,g=Math.min(r+1,d-q),e[h]=1,l=1;l<g;l++)if((k=b[this.u?d-1-q-l:q+l])&&k.length>=this.h&&!e[k]){e[k]=1;const u=this.j&&k>h;M(this,n,u?h:k,L(f+(d/2>f?0:1),d,q,g-1,l-1),a,c,u?k:h)}}}}this.m||(this.register[a]=1)}}return this};
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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,h,f){let g=f?a.l:a.map;if(!b[c]||f&&!b[c][f])a.g&&(g=g[d]),f?(b=b[c]||(b[c]=y()),b[f]=1,g=g[f]||(g[f]=y())):b[c]=1,g=g[c]||(g[c]=[]),a.g||(g=g[d]||(g[d]=[])),h&&g.includes(e)||(g[g.length]=e,a.m&&(a=a.register[e]||(a.register[e]=[]),a[a.length]=g))}
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I.prototype.search=function(a,b,c){c||(b||"object"!==typeof a?"object"===typeof b&&(c=b):(c=a,a=c.query));let d=[],e;let h,f=0;if(c){a=c.query||a;b=c.limit;f=c.offset||0;var g=c.context;h=!1}if(a&&(a=this.encode(""+a),e=a.length,1<e)){c=y();var l=[];for(let m=0,r=0,p;m<e;m++)if((p=a[m])&&p.length>=this.h&&!c[p])if(this.g||h||this.map[p])l[r++]=p,c[p]=1;else return d;a=l;e=a.length}if(!e)return d;b||(b=100);g=this.i&&1<e&&!1!==g;c=0;let n;g?(n=a[0],c=1):1<e&&a.sort(z);for(let m,r;c<e;c++){r=a[c];g?
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(m=N(this,d,h,b,f,2===e,r,n),h&&!1===m&&d.length||(n=r)):m=N(this,d,h,b,f,1===e,r);if(m)return m;if(h&&c===e-1){l=d.length;if(!l){if(g){g=0;c=-1;continue}return d}if(1===l)return O(d[0],b,f)}}return H(d,b,f,h)};
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function N(a,b,c,d,e,h,f,g){let l=[],n=g?a.l:a.map;a.g||(n=P(n,f,g,a.j));if(n){let m=0;const r=Math.min(n.length,g?a.v:a.s);for(let p=0,q=0,k,u;p<r;p++)if(k=n[p])if(a.g&&(k=P(k,f,g,a.j)),e&&k&&h&&(u=k.length,u<=e?(e-=u,k=null):(k=k.slice(e),e=0)),k&&(l[m++]=k,h&&(q+=k.length,q>=d)))break;if(m){if(h)return O(l,d,0);b[b.length]=l;return}}return!c&&l}function O(a,b,c){a=1===a.length?a[0]:[].concat.apply([],a);return c||a.length>b?a.slice(c,c+b):a}
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function P(a,b,c,d){c?(d=d&&b>c,a=(a=a[d?b:c])&&a[d?c:b]):a=a[b];return a}I.prototype.contain=function(a){return!!this.register[a]};I.prototype.update=function(a,b){return this.remove(a).add(a,b)};I.prototype.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 Q(this.map,a,this.s,this.g),this.i&&Q(this.l,a,this.v,this.g);b||delete this.register[a]}return this};
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function Q(a,b,c,d,e){let h=0;if(a.constructor===Array)if(e)b=a.indexOf(b),-1!==b?1<a.length&&(a.splice(b,1),h++):h++;else{e=Math.min(a.length,c);for(let f=0,g;f<e;f++)if(g=a[f])h=Q(g,b,c,d,e),d||h||delete a[f]}else for(let f in a)(h=Q(a[f],b,c,d,e))||delete a[f];return h};export default {Index:I,Document:null,Worker:null,registerCharset:function(a,b){G[a]=b},registerLanguage:function(a,b){F[a]=b}};
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