6 lines
40 KiB
JavaScript
6 lines
40 KiB
JavaScript
const pagefind_version="1.5.2";let wasm_bindgen=(function(exports){let script_src;if(typeof document!=='undefined'&&document.currentScript!==null){script_src=new URL("UNHANDLED",location.href).toString();}function add_synthetic_filter(ptr,filter){const ptr0=passStringToWasm0(filter,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len0=WASM_VECTOR_LEN;const ret=wasm.add_synthetic_filter(ptr,ptr0,len0);return ret>>>0;}exports.add_synthetic_filter=add_synthetic_filter;function enter_playground_mode(ptr){const ret=wasm.enter_playground_mode(ptr);return ret>>>0;}exports.enter_playground_mode=enter_playground_mode;function filters(ptr){let deferred1_0;let deferred1_1;try{const ret=wasm.filters(ptr);deferred1_0=ret[0];deferred1_1=ret[1];return getStringFromWasm0(ret[0],ret[1]);}finally{wasm.__wbindgen_free(deferred1_0,deferred1_1,1);}}exports.filters=filters;function init_pagefind(metadata_bytes){const ptr0=passArray8ToWasm0(metadata_bytes,wasm.__wbindgen_malloc);const len0=WASM_VECTOR_LEN;const ret=wasm.init_pagefind(ptr0,len0);return ret>>>0;}exports.init_pagefind=init_pagefind;function load_filter_chunk(ptr,chunk_bytes){const ptr0=passArray8ToWasm0(chunk_bytes,wasm.__wbindgen_malloc);const len0=WASM_VECTOR_LEN;const ret=wasm.load_filter_chunk(ptr,ptr0,len0);return ret>>>0;}exports.load_filter_chunk=load_filter_chunk;function load_index_chunk(ptr,chunk_bytes){const ptr0=passArray8ToWasm0(chunk_bytes,wasm.__wbindgen_malloc);const len0=WASM_VECTOR_LEN;const ret=wasm.load_index_chunk(ptr,ptr0,len0);return ret>>>0;}exports.load_index_chunk=load_index_chunk;function request_all_filter_indexes(ptr){let deferred1_0;let deferred1_1;try{const ret=wasm.request_all_filter_indexes(ptr);deferred1_0=ret[0];deferred1_1=ret[1];return getStringFromWasm0(ret[0],ret[1]);}finally{wasm.__wbindgen_free(deferred1_0,deferred1_1,1);}}exports.request_all_filter_indexes=request_all_filter_indexes;function request_filter_indexes(ptr,filters){let deferred2_0;let deferred2_1;try{const ptr0=passStringToWasm0(filters,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len0=WASM_VECTOR_LEN;const ret=wasm.request_filter_indexes(ptr,ptr0,len0);deferred2_0=ret[0];deferred2_1=ret[1];return getStringFromWasm0(ret[0],ret[1]);}finally{wasm.__wbindgen_free(deferred2_0,deferred2_1,1);}}exports.request_filter_indexes=request_filter_indexes;function request_indexes(ptr,query){let deferred2_0;let deferred2_1;try{const ptr0=passStringToWasm0(query,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len0=WASM_VECTOR_LEN;const ret=wasm.request_indexes(ptr,ptr0,len0);deferred2_0=ret[0];deferred2_1=ret[1];return getStringFromWasm0(ret[0],ret[1]);}finally{wasm.__wbindgen_free(deferred2_0,deferred2_1,1);}}exports.request_indexes=request_indexes;function search(ptr,query,original_query,filter,sort,exact,exact_diacritics){let deferred5_0;let deferred5_1;try{const ptr0=passStringToWasm0(query,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len0=WASM_VECTOR_LEN;const ptr1=passStringToWasm0(original_query,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len1=WASM_VECTOR_LEN;const ptr2=passStringToWasm0(filter,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len2=WASM_VECTOR_LEN;const ptr3=passStringToWasm0(sort,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len3=WASM_VECTOR_LEN;const ret=wasm.search(ptr,ptr0,len0,ptr1,len1,ptr2,len2,ptr3,len3,exact,exact_diacritics);deferred5_0=ret[0];deferred5_1=ret[1];return getStringFromWasm0(ret[0],ret[1]);}finally{wasm.__wbindgen_free(deferred5_0,deferred5_1,1);}}exports.search=search;function set_ranking_weights(ptr,weights){const ptr0=passStringToWasm0(weights,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len0=WASM_VECTOR_LEN;const ret=wasm.set_ranking_weights(ptr,ptr0,len0);return ret>>>0;}exports.set_ranking_weights=set_ranking_weights;function __wbg_get_imports(){const import0={__proto__:null,__wbindgen_init_externref_table:function(){const table=wasm.__wbindgen_externrefs;const offset=table.grow(4);table.set(0,undefined);table.set(offset+0,undefined);table.set(offset+1,null);table.set(offset+2,true);table.set(offset+3,false);},};return{__proto__:null,"./pagefind_web_bg.js":import0,};}function getStringFromWasm0(ptr,len){ptr=ptr>>>0;return decodeText(ptr,len);}let cachedUint8ArrayMemory0=null;function getUint8ArrayMemory0(){if(cachedUint8ArrayMemory0===null||cachedUint8ArrayMemory0.byteLength===0){cachedUint8ArrayMemory0=new Uint8Array(wasm.memory.buffer);}return cachedUint8ArrayMemory0;}function passArray8ToWasm0(arg,malloc){const ptr=malloc(arg.length*1,1)>>>0;getUint8ArrayMemory0().set(arg,ptr/1);WASM_VECTOR_LEN=arg.length;return ptr;}function passStringToWasm0(arg,malloc,realloc){if(realloc===undefined){const buf=cachedTextEncoder.encode(arg);const ptr=malloc(buf.length,1)>>>0;getUint8ArrayMemory0().subarray(ptr,ptr+buf.length).set(buf);WASM_VECTOR_LEN=buf.length;return ptr;}let len=arg.length;let ptr=malloc(len,1)>>>0;const mem=getUint8ArrayMemory0();let offset=0;for(;offset<len;offset++){const code=arg.charCodeAt(offset);if(code>0x7F)break;mem[ptr+offset]=code;}if(offset!==len){if(offset!==0){arg=arg.slice(offset);}ptr=realloc(ptr,len,len=offset+arg.length*3,1)>>>0;const view=getUint8ArrayMemory0().subarray(ptr+offset,ptr+len);const ret=cachedTextEncoder.encodeInto(arg,view);offset+=ret.written;ptr=realloc(ptr,len,offset,1)>>>0;}WASM_VECTOR_LEN=offset;return ptr;}let cachedTextDecoder=new TextDecoder('utf-8',{ignoreBOM:true,fatal:true});cachedTextDecoder.decode();function decodeText(ptr,len){return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr,ptr+len));}const cachedTextEncoder=new TextEncoder();if(!('encodeInto'in cachedTextEncoder)){cachedTextEncoder.encodeInto=function(arg,view){const buf=cachedTextEncoder.encode(arg);view.set(buf);return{read:arg.length,written:buf.length};};}let WASM_VECTOR_LEN=0;let wasmModule,wasm;function __wbg_finalize_init(instance,module){wasm=instance.exports;wasmModule=module;cachedUint8ArrayMemory0=null;wasm.__wbindgen_start();return wasm;}async function __wbg_load(module,imports){if(typeof Response==='function'&&module instanceof Response){if(typeof WebAssembly.instantiateStreaming==='function'){try{return await WebAssembly.instantiateStreaming(module,imports);}catch(e){const validResponse=module.ok&&expectedResponseType(module.type);if(validResponse&&module.headers.get('Content-Type')!=='application/wasm'){console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve Wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n",e);}else{throw e;}}}const bytes=await module.arrayBuffer();return await WebAssembly.instantiate(bytes,imports);}else{const instance=await WebAssembly.instantiate(module,imports);if(instance instanceof WebAssembly.Instance){return{instance,module};}else{return instance;}}function expectedResponseType(type){switch(type){case'basic':case'cors':case'default':return true;}return false;}}function initSync(module){if(wasm!==undefined)return wasm;if(module!==undefined){if(Object.getPrototypeOf(module)===Object.prototype){({module}=module)}else{console.warn('using deprecated parameters for `initSync()`; pass a single object instead')}}const imports=__wbg_get_imports();if(!(module instanceof WebAssembly.Module)){module=new WebAssembly.Module(module);}const instance=new WebAssembly.Instance(module,imports);return __wbg_finalize_init(instance,module);}async function __wbg_init(module_or_path){if(wasm!==undefined)return wasm;if(module_or_path!==undefined){if(Object.getPrototypeOf(module_or_path)===Object.prototype){({module_or_path}=module_or_path)}else{console.warn('using deprecated parameters for the initialization function; pass a single object instead')}}if(module_or_path===undefined&&script_src!==undefined){module_or_path=script_src.replace(/\.js$/,"_bg.wasm");}const imports=__wbg_get_imports();if(typeof module_or_path==='string'||(typeof Request==='function'&&module_or_path instanceof Request)||(typeof URL==='function'&&module_or_path instanceof URL)){module_or_path=fetch(module_or_path);}const{instance,module}=await __wbg_load(await module_or_path,imports);return __wbg_finalize_init(instance,module);}return Object.assign(__wbg_init,{initSync},exports);})({__proto__:null});"use strict";(()=>{var __defProp=Object.defineProperty;var __defNormalProp=(obj,key,value)=>key in obj?__defProp(obj,key,{enumerable:true,configurable:true,writable:true,value}):obj[key]=value;var __publicField=(obj,key,value)=>__defNormalProp(obj,typeof key!=="symbol"?key+"":key,value);var u8=Uint8Array;var u16=Uint16Array;var u32=Uint32Array;var fleb=new u8([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]);var fdeb=new u8([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]);var clim=new u8([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);var freb=function(eb,start){var b=new u16(31);for(var i2=0;i2<31;++i2){b[i2]=start+=1<<eb[i2-1];}var r=new u32(b[30]);for(var i2=1;i2<30;++i2){for(var j=b[i2];j<b[i2+1];++j){r[j]=j-b[i2]<<5|i2;}}return[b,r];};var _a=freb(fleb,2);var fl=_a[0];var revfl=_a[1];fl[28]=258,revfl[258]=28;var _b=freb(fdeb,0);var fd=_b[0];var revfd=_b[1];var rev=new u16(32768);for(i=0;i<32768;++i){x=(i&43690)>>>1|(i&21845)<<1;x=(x&52428)>>>2|(x&13107)<<2;x=(x&61680)>>>4|(x&3855)<<4;rev[i]=((x&65280)>>>8|(x&255)<<8)>>>1;}var x;var i;var hMap=function(cd,mb,r){var s=cd.length;var i2=0;var l=new u16(mb);for(;i2<s;++i2){if(cd[i2])++l[cd[i2]-1];}var le=new u16(mb);for(i2=0;i2<mb;++i2){le[i2]=le[i2-1]+l[i2-1]<<1;}var co;if(r){co=new u16(1<<mb);var rvb=15-mb;for(i2=0;i2<s;++i2){if(cd[i2]){var sv=i2<<4|cd[i2];var r_1=mb-cd[i2];var v=le[cd[i2]-1]++<<r_1;for(var m=v|(1<<r_1)-1;v<=m;++v){co[rev[v]>>>rvb]=sv;}}}}else{co=new u16(s);for(i2=0;i2<s;++i2){if(cd[i2]){co[i2]=rev[le[cd[i2]-1]++]>>>15-cd[i2];}}}return co;};var flt=new u8(288);for(i=0;i<144;++i)flt[i]=8;var i;for(i=144;i<256;++i)flt[i]=9;var i;for(i=256;i<280;++i)flt[i]=7;var i;for(i=280;i<288;++i)flt[i]=8;var i;var fdt=new u8(32);for(i=0;i<32;++i)fdt[i]=5;var i;var flrm=hMap(flt,9,1);var fdrm=hMap(fdt,5,1);var max=function(a){var m=a[0];for(var i2=1;i2<a.length;++i2){if(a[i2]>m)m=a[i2];}return m;};var bits=function(d,p,m){var o=p/8|0;return(d[o]|d[o+1]<<8)>>(p&7)&m;};var bits16=function(d,p){var o=p/8|0;return(d[o]|d[o+1]<<8|d[o+2]<<16)>>(p&7);};var shft=function(p){return(p+7)/8|0;};var slc=function(v,s,e){if(s==null||s<0)s=0;if(e==null||e>v.length)e=v.length;var n=new(v.BYTES_PER_ELEMENT==2?u16:v.BYTES_PER_ELEMENT==4?u32:u8)(e-s);n.set(v.subarray(s,e));return n;};var ec=["unexpected EOF","invalid block type","invalid length/literal","invalid distance","stream finished","no stream handler",,"no callback","invalid UTF-8 data","extra field too long","date not in range 1980-2099","filename too long","stream finishing","invalid zip data"];var err=function(ind,msg,nt){var e=new Error(msg||ec[ind]);e.code=ind;if(Error.captureStackTrace)Error.captureStackTrace(e,err);if(!nt)throw e;return e;};var inflt=function(dat,buf,st){var sl=dat.length;if(!sl||st&&st.f&&!st.l)return buf||new u8(0);var noBuf=!buf||st;var noSt=!st||st.i;if(!st)st={};if(!buf)buf=new u8(sl*3);var cbuf=function(l2){var bl=buf.length;if(l2>bl){var nbuf=new u8(Math.max(bl*2,l2));nbuf.set(buf);buf=nbuf;}};var final=st.f||0,pos=st.p||0,bt=st.b||0,lm=st.l,dm=st.d,lbt=st.m,dbt=st.n;var tbts=sl*8;do{if(!lm){final=bits(dat,pos,1);var type=bits(dat,pos+1,3);pos+=3;if(!type){var s=shft(pos)+4,l=dat[s-4]|dat[s-3]<<8,t=s+l;if(t>sl){if(noSt)err(0);break;}if(noBuf)cbuf(bt+l);buf.set(dat.subarray(s,t),bt);st.b=bt+=l,st.p=pos=t*8,st.f=final;continue;}else if(type==1)lm=flrm,dm=fdrm,lbt=9,dbt=5;else if(type==2){var hLit=bits(dat,pos,31)+257,hcLen=bits(dat,pos+10,15)+4;var tl=hLit+bits(dat,pos+5,31)+1;pos+=14;var ldt=new u8(tl);var clt=new u8(19);for(var i2=0;i2<hcLen;++i2){clt[clim[i2]]=bits(dat,pos+i2*3,7);}pos+=hcLen*3;var clb=max(clt),clbmsk=(1<<clb)-1;var clm=hMap(clt,clb,1);for(var i2=0;i2<tl;){var r=clm[bits(dat,pos,clbmsk)];pos+=r&15;var s=r>>>4;if(s<16){ldt[i2++]=s;}else{var c=0,n=0;if(s==16)n=3+bits(dat,pos,3),pos+=2,c=ldt[i2-1];else if(s==17)n=3+bits(dat,pos,7),pos+=3;else if(s==18)n=11+bits(dat,pos,127),pos+=7;while(n--)ldt[i2++]=c;}}var lt=ldt.subarray(0,hLit),dt=ldt.subarray(hLit);lbt=max(lt);dbt=max(dt);lm=hMap(lt,lbt,1);dm=hMap(dt,dbt,1);}else err(1);if(pos>tbts){if(noSt)err(0);break;}}if(noBuf)cbuf(bt+131072);var lms=(1<<lbt)-1,dms=(1<<dbt)-1;var lpos=pos;for(;;lpos=pos){var c=lm[bits16(dat,pos)&lms],sym=c>>>4;pos+=c&15;if(pos>tbts){if(noSt)err(0);break;}if(!c)err(2);if(sym<256)buf[bt++]=sym;else if(sym==256){lpos=pos,lm=null;break;}else{var add=sym-254;if(sym>264){var i2=sym-257,b=fleb[i2];add=bits(dat,pos,(1<<b)-1)+fl[i2];pos+=b;}var d=dm[bits16(dat,pos)&dms],dsym=d>>>4;if(!d)err(3);pos+=d&15;var dt=fd[dsym];if(dsym>3){var b=fdeb[dsym];dt+=bits16(dat,pos)&(1<<b)-1,pos+=b;}if(pos>tbts){if(noSt)err(0);break;}if(noBuf)cbuf(bt+131072);var end=bt+add;for(;bt<end;bt+=4){buf[bt]=buf[bt-dt];buf[bt+1]=buf[bt+1-dt];buf[bt+2]=buf[bt+2-dt];buf[bt+3]=buf[bt+3-dt];}bt=end;}}st.l=lm,st.p=lpos,st.b=bt,st.f=final;if(lm)final=1,st.m=lbt,st.d=dm,st.n=dbt;}while(!final);return bt==buf.length?buf:slc(buf,0,bt);};var et=new u8(0);var gzs=function(d){if(d[0]!=31||d[1]!=139||d[2]!=8)err(6,"invalid gzip data");var flg=d[3];var st=10;if(flg&4)st+=d[10]|(d[11]<<8)+2;for(var zs=(flg>>3&1)+(flg>>4&1);zs>0;zs-=!d[st++]);return st+(flg&2);};var gzl=function(d){var l=d.length;return(d[l-4]|d[l-3]<<8|d[l-2]<<16|d[l-1]<<24)>>>0;};function gunzipSync(data,out){return inflt(data.subarray(gzs(data),-8),out||new u8(gzl(data)));}var td=typeof TextDecoder!="undefined"&&new TextDecoder();var tds=0;try{td.decode(et,{stream:true});tds=1;}catch(e){}var gz_default=gunzipSync;var calculate_excerpt_region=(word_positions,excerpt_length)=>{if(word_positions.length===0){return 0;}let words=[];for(const word of word_positions){words[word.location]=words[word.location]||0;words[word.location]+=word.balanced_score;}if(words.length<=excerpt_length){return 0;}let densest=words.slice(0,excerpt_length).reduce((partialSum,a)=>partialSum+a,0);let working_sum=densest;let densest_at=[0];for(let i2=0;i2<words.length;i2++){const boundary=i2+excerpt_length;working_sum+=(words[boundary]??0)-(words[i2]??0);if(working_sum>densest){densest=working_sum;densest_at=[i2];}else if(working_sum===densest&&densest_at[densest_at.length-1]===i2-1){densest_at.push(i2);}}let midpoint=densest_at[Math.floor(densest_at.length/2)];return midpoint;};var build_excerpt=(content,start,length,locations,not_before,not_from)=>{let is_zws_delimited=content.includes("\u200B");let fragment_words=[];if(is_zws_delimited){fragment_words=content.split("\u200B");}else{fragment_words=content.split(/[\r\n\s]+/g);}let endcap=not_from??fragment_words.length;let startcap=not_before??0;if(endcap-startcap<length){length=endcap-startcap;}if(start+length>endcap){start=endcap-length;}if(start<startcap){start=startcap;}const joiner=is_zws_delimited?"":" ";const plain_excerpt=fragment_words.slice(start,start+length).join(joiner).trim();for(let word of locations){if(fragment_words[word]?.startsWith(`<mark>`)){continue;}fragment_words[word]=`<mark>${fragment_words[word]}</mark>`;}const excerpt=fragment_words.slice(start,start+length).join(joiner).trim();return{excerpt,plain_excerpt};};var calculate_sub_results=(fragment,desired_excerpt_length)=>{const effective_url=fragment.meta?.url||fragment.url;const anchors=fragment.anchors.filter((a)=>/h\d/i.test(a.element)&&a.text?.length&&/\S/.test(a.text)).sort((a,b)=>a.location-b.location);const results=[];let current_anchor_position=0;let current_anchor={title:fragment.meta["title"],url:effective_url,weighted_locations:[],locations:[],excerpt:"",plain_excerpt:""};const add_result=(end_range)=>{if(current_anchor.locations.length){const relative_weighted_locations=current_anchor.weighted_locations.map((l)=>{return{weight:l.weight,balanced_score:l.balanced_score,location:l.location-current_anchor_position};});const excerpt_start=calculate_excerpt_region(relative_weighted_locations,desired_excerpt_length)+current_anchor_position;const excerpt_length=end_range?Math.min(end_range-excerpt_start,desired_excerpt_length):desired_excerpt_length;const excerpts=build_excerpt(fragment.raw_content??"",excerpt_start,excerpt_length,current_anchor.locations,current_anchor_position,end_range);current_anchor.excerpt=excerpts.excerpt;current_anchor.plain_excerpt=excerpts.plain_excerpt;results.push(current_anchor);}};for(let word of fragment.weighted_locations){if(!anchors.length||word.location<anchors[0].location){current_anchor.weighted_locations.push(word);current_anchor.locations.push(word.location);}else{let next_anchor=anchors.shift();add_result(next_anchor.location);while(anchors.length&&word.location>=anchors[0].location){next_anchor=anchors.shift();}let anchored_url=effective_url;try{const url_is_fq=/^((https?:)?\/\/)/.test(anchored_url);if(url_is_fq){let fq_url=new URL(anchored_url);fq_url.hash=next_anchor.id;anchored_url=fq_url.toString();}else{if(!/^\//.test(anchored_url)){anchored_url=`/${anchored_url}`;}let fq_url=new URL(`https://example.com${anchored_url}`);fq_url.hash=next_anchor.id;anchored_url=fq_url.toString().replace(/^https:\/\/example.com/,"");}}catch(e){console.error(`Pagefind: Couldn't process ${anchored_url} for a search result`);}current_anchor_position=next_anchor.location;current_anchor={title:next_anchor.text,url:anchored_url,anchor:next_anchor,weighted_locations:[word],locations:[word.location],excerpt:"",plain_excerpt:""};}}add_result(anchors[0]?.location);return results;};var import_meta={};var asyncSleep=async(ms=100)=>{return new Promise((r)=>setTimeout(r,ms));};var normalizeDiacritics=(str)=>{return str.normalize("NFD").replace(/\p{M}/gu,"");};var isBrowser=()=>typeof window!=="undefined"&&typeof document!=="undefined";var needsWordSegmentation=(lang)=>{if(!lang)return false;const primaryLang=lang.split("-")[0].toLowerCase();return["zh","ja","th"].includes(primaryLang);};var PagefindInstance=class{constructor(opts={}){__publicField(this,"backend");__publicField(this,"decoder");__publicField(this,"wasm");__publicField(this,"basePath");__publicField(this,"baseUrl");__publicField(this,"primary");__publicField(this,"indexWeight");__publicField(this,"excerptLength");__publicField(this,"mergeFilter");__publicField(this,"ranking");__publicField(this,"highlightParam");__publicField(this,"exactDiacritics");__publicField(this,"metaCacheTag");__publicField(this,"loaded_chunks");__publicField(this,"loaded_filters");__publicField(this,"loaded_fragments");__publicField(this,"fetchQueue",[]);__publicField(this,"activeFetches",0);__publicField(this,"maxConcurrentFetches",100);__publicField(this,"raw_ptr");__publicField(this,"initError");__publicField(this,"searchMeta");__publicField(this,"languages");__publicField(this,"loadedLanguage");__publicField(this,"includeCharacters");__publicField(this,"version");__publicField(this,"loadedVersion");this.version=pagefind_version;this.backend=wasm_bindgen;this.decoder=new TextDecoder("utf-8");this.wasm=null;let basePath=opts.basePath||"/pagefind/";let primary=opts.primary||false;if(primary&&!opts.basePath&&isBrowser()){basePath=this.initPrimaryBasePath(basePath);}if(/[^\/]$/.test(basePath)){basePath=`${basePath}/`;}if(isBrowser()&&window?.location?.origin&&basePath.startsWith(window.location.origin)){basePath=basePath.replace(window.location.origin,"");}this.basePath=basePath;this.baseUrl=opts.baseUrl||this.getDefaultBaseUrl(basePath);if(!/^(\/|https?:\/\/)/.test(this.baseUrl)){this.baseUrl=`/${this.baseUrl}`;}this.primary=primary;this.indexWeight=opts.indexWeight??1;this.excerptLength=opts.excerptLength??30;this.mergeFilter=opts.mergeFilter??{};this.ranking=opts.ranking;this.highlightParam=opts.highlightParam??null;this.exactDiacritics=opts.exactDiacritics??false;this.metaCacheTag=opts.metaCacheTag??null;this.loaded_chunks={};this.loaded_filters={};this.loaded_fragments={};this.raw_ptr=null;this.initError=null;this.searchMeta=null;this.languages=null;}throttledFetch(input){return new Promise((resolve,reject)=>{this.fetchQueue.push({resolve,reject,input});this.dequeueNextFetch();});}dequeueNextFetch(){while(this.fetchQueue.length>0&&this.activeFetches<this.maxConcurrentFetches){const next=this.fetchQueue.shift();this.activeFetches++;this.performFetch(next);}}async performFetch(queued){try{queued.resolve(await fetch(queued.input));}catch(error){queued.reject(error);}finally{this.activeFetches--;this.dequeueNextFetch();}}initPrimaryBasePath(basePath){if(typeof import_meta.url!=="undefined"){let derivedBasePath=import_meta.url.match(/^(.*\/)pagefind.js.*$/)?.[1];if(derivedBasePath){return derivedBasePath;}else{console.warn(["Pagefind couldn't determine the base of the bundle from the import path. Falling back to the default.","Set a basePath option when initialising Pagefind to ignore this message."].join("\n"));}}return basePath;}getDefaultBaseUrl(basePath){let default_base=basePath.match(/^(.*\/)_?pagefind/)?.[1];return default_base||"/";}async options(options){const opts=["baseUrl","indexWeight","excerptLength","mergeFilter","highlightParam","ranking","exactDiacritics","metaCacheTag"];for(const[k,v]of Object.entries(options)){if(k==="mergeFilter"){let filters=this.stringifyFilters(v);let ptr=await this.getPtr();this.raw_ptr=this.backend.add_synthetic_filter(ptr,filters);}else if(k==="ranking"){await this.set_ranking(options.ranking);}else if(opts.includes(k)){if(k==="baseUrl"&&typeof v==="string")this.baseUrl=v;if(k==="indexWeight"&&typeof v==="number")this.indexWeight=v;if(k==="excerptLength"&&typeof v==="number")this.excerptLength=v;if(k==="mergeFilter"&&typeof v==="object")this.mergeFilter=v;if(k==="highlightParam"&&typeof v==="string")this.highlightParam=v;if(k==="exactDiacritics"&&typeof v==="boolean")this.exactDiacritics=v;if(k==="metaCacheTag"&&typeof v==="string")this.metaCacheTag=v;}else if(!["basePath"].includes(k)){console.warn(`Unknown Pagefind option ${k}. Allowed options: [${opts.join(", ")}]`);}}}async enterPlaygroundMode(){let ptr=await this.getPtr();this.raw_ptr=this.backend.enter_playground_mode(ptr);}decompress(data,file="unknown file"){if(this.decoder.decode(data.slice(0,12))==="pagefind_dcd"){return data.slice(12);}data=gz_default(data);if(this.decoder.decode(data.slice(0,12))!=="pagefind_dcd"){console.error(`Decompressing ${file} appears to have failed: Missing signature`);return data;}return data.slice(12);}async set_ranking(ranking){if(!ranking)return;let rankingWeights={term_similarity:ranking.termSimilarity??null,page_length:ranking.pageLength??null,term_saturation:ranking.termSaturation??null,term_frequency:ranking.termFrequency??null,diacritic_similarity:ranking.diacriticSimilarity??null,meta_weights:ranking.metaWeights??null};let ptr=await this.getPtr();this.raw_ptr=this.backend.set_ranking_weights(ptr,JSON.stringify(rankingWeights));}async init(language,opts){try{await this.loadEntry();let index=this.findIndex(language);let lang_wasm=index.wasm?index.wasm:"unknown";this.loadedLanguage=language;let resources=[this.loadMeta(index.hash)];if(opts.load_wasm===true){resources.push(this.loadWasm(lang_wasm));}await Promise.all(resources);this.raw_ptr=this.backend.init_pagefind(new Uint8Array(this.searchMeta));if(Object.keys(this.mergeFilter)?.length){let filters=this.stringifyFilters(this.mergeFilter);let ptr=await this.getPtr();this.raw_ptr=this.backend.add_synthetic_filter(ptr,filters);}if(this.ranking){await this.set_ranking(this.ranking);}}catch(e){this.initError=e instanceof Error?e:new Error(String(e));throw e;}}async loadEntry(){try{let entryUrl=`${this.basePath}pagefind-entry.json`;if(this.metaCacheTag!==null){entryUrl+=`?ts=${this.metaCacheTag}`;}else{entryUrl+=`?ts=${Date.now()}`;}let entry_response=await this.throttledFetch(entryUrl);let entry_json=await entry_response.json();this.languages=entry_json.languages;this.loadedVersion=entry_json.version;this.includeCharacters=entry_json.include_characters??[];if(entry_json.version!==this.version){if(this.primary){console.warn(["Pagefind JS version doesn't match the version in your search index.",`Pagefind JS: ${this.version}. Pagefind index: ${entry_json.version}`,"If you upgraded Pagefind recently, you likely have a cached pagefind.js file.","If you encounter any search errors, try clearing your cache."].join("\n"));}else{console.warn(["Merging a Pagefind index from a different version than the main Pagefind instance.",`Main Pagefind JS: ${this.version}. Merged index (${this.basePath}): ${entry_json.version}`,"If you encounter any search errors, make sure that both sites are running the same version of Pagefind."].join("\n"));}}}catch(e){console.error(`Failed to load Pagefind metadata:
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${e?.toString()}`);throw new Error("Failed to load Pagefind metadata");}}findIndex(language){if(this.languages){let index=this.languages[language];if(index)return index;index=this.languages[language.split("-")[0]];if(index)return index;let topLang=Object.values(this.languages).sort((a,b)=>b.page_count-a.page_count);if(topLang[0])return topLang[0];}throw new Error("Pagefind Error: No language indexes found.");}async loadMeta(index){try{let compressed_resp=await this.throttledFetch(`${this.basePath}pagefind.${index}.pf_meta`);let compressed_meta=await compressed_resp.arrayBuffer();this.searchMeta=this.decompress(new Uint8Array(compressed_meta),"Pagefind metadata");}catch(e){console.error(`Failed to load the meta index:
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${e?.toString()}`);}}async loadWasm(language){try{const wasm_url=`${this.basePath}wasm.${language}.pagefind`;let compressed_resp=await this.throttledFetch(wasm_url);let compressed_wasm=await compressed_resp.arrayBuffer();const final_wasm=this.decompress(new Uint8Array(compressed_wasm),"Pagefind WebAssembly");if(!final_wasm){throw new Error("No WASM after decompression");}this.wasm=await this.backend({module_or_path:final_wasm});}catch(e){console.error(`Failed to load the Pagefind WASM:
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${e?.toString()}`);throw new Error(`Failed to load the Pagefind WASM:
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${e?.toString()}`);}}async _loadGenericChunk(url,method){try{let compressed_resp=await this.throttledFetch(url);let compressed_chunk=await compressed_resp.arrayBuffer();let chunk=this.decompress(new Uint8Array(compressed_chunk),url);let ptr=await this.getPtr();this.raw_ptr=this.backend[method](ptr,chunk);}catch(e){console.error(`Failed to load the index chunk ${url}:
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${e?.toString()}`);}}async loadChunk(hash){if(!this.loaded_chunks[hash]){const url=`${this.basePath}index/${hash}.pf_index`;this.loaded_chunks[hash]=this._loadGenericChunk(url,"load_index_chunk");}return await this.loaded_chunks[hash];}async loadFilterChunk(hash){if(!this.loaded_filters[hash]){const url=`${this.basePath}filter/${hash}.pf_filter`;this.loaded_filters[hash]=this._loadGenericChunk(url,"load_filter_chunk");}return await this.loaded_filters[hash];}async _loadFragment(hash){let compressed_resp=await this.throttledFetch(`${this.basePath}fragment/${hash}.pf_fragment`);let compressed_fragment=await compressed_resp.arrayBuffer();let fragment=this.decompress(new Uint8Array(compressed_fragment),`Fragment ${hash}`);return JSON.parse(new TextDecoder().decode(fragment));}async loadFragment(hash,weighted_locations=[],search_term){if(!this.loaded_fragments[hash]){this.loaded_fragments[hash]=this._loadFragment(hash);}let fragment=await this.loaded_fragments[hash];fragment.weighted_locations=weighted_locations;fragment.locations=weighted_locations.map((l)=>l.location);if(!fragment.raw_content){fragment.raw_content=fragment.content.replace(/</g,"<").replace(/>/g,">");fragment.content=fragment.content.replace(/\u200B/g,"");}if(!fragment.raw_url){fragment.raw_url=fragment.url;}fragment.url=this.processedUrl(fragment.raw_url,search_term);const excerpt_start=calculate_excerpt_region(weighted_locations,this.excerptLength);const excerpts=build_excerpt(fragment.raw_content,excerpt_start,this.excerptLength,fragment.locations);fragment.excerpt=excerpts.excerpt;fragment.plain_excerpt=excerpts.plain_excerpt;fragment.sub_results=calculate_sub_results(fragment,this.excerptLength);return fragment;}fullUrl(raw){if(/^(https?:)?\/\//.test(raw)){return raw;}return`${this.baseUrl}/${raw}`.replace(/\/+/g,"/").replace(/^(https?:\/)/,"$1/");}processedUrl(url,search_term){const normalized=this.fullUrl(url);if(this.highlightParam===null){return normalized;}let individual_terms=search_term.split(/\s+/);try{let processed=new URL(normalized);for(const term of individual_terms){processed.searchParams.append(this.highlightParam,term);}return processed.toString();}catch(e){try{let processed=new URL(`https://example.com${normalized}`);for(const term of individual_terms){processed.searchParams.append(this.highlightParam,term);}return processed.toString().replace(/^https:\/\/example\.com/,"");}catch(e2){return normalized;}}}async getPtr(){while(this.raw_ptr===null){if(this.initError){throw this.initError;}await asyncSleep(50);}if(!this.raw_ptr){console.error("Pagefind: WASM Error (No pointer)");throw new Error("Pagefind: WASM Error (No pointer)");}return this.raw_ptr;}stringifyFilters(obj={}){return JSON.stringify(obj);}stringifySorts(obj={}){let sorts=Object.entries(obj);for(let[sort,direction]of sorts){if(sorts.length>1){console.warn(`Pagefind was provided multiple sort options in this search, but can only operate on one. Using the ${sort} sort.`);}if(direction!=="asc"&&direction!=="desc"){console.warn(`Pagefind was provided a sort with unknown direction ${direction}. Supported: [asc, desc]`);}return`${sort}:${direction}`;}return``;}async filters(){let ptr=await this.getPtr();let filters=this.backend.request_all_filter_indexes(ptr);let filter_array=JSON.parse(filters);if(Array.isArray(filter_array)){let filter_chunks=filter_array.filter((v)=>v).map((chunk)=>this.loadFilterChunk(chunk));await Promise.all([...filter_chunks]);}ptr=await this.getPtr();let results=this.backend.filters(ptr);return JSON.parse(results);}async preload(term,options={}){await this.search(term,{...options,preload:true});}async search(term,options={}){options={verbose:false,filters:{},sort:{},...options};const log=(str)=>{if(options.verbose)console.log(str);};log(`Starting search on ${this.basePath}`);let start=Date.now();let ptr=await this.getPtr();let filter_only=term===null;term=term??"";let exact_search=/^\s*".+"\s*$/.test(term);if(exact_search){log(`Running an exact search`);}let trueLanguage=null;try{trueLanguage=Intl.getCanonicalLocales(this.loadedLanguage)[0];}catch(err2){}const term_chunks=[];if(trueLanguage&&typeof Intl.Segmenter!=="undefined"){const graphemeSegmenter=new Intl.Segmenter(trueLanguage,{granularity:"grapheme"});if(needsWordSegmentation(trueLanguage)){const wordSegmenter=new Intl.Segmenter(trueLanguage,{granularity:"word"});for(const{segment:word}of wordSegmenter.segment(term)){const wordChunks=[];for(const{segment:grapheme}of graphemeSegmenter.segment(word)){if(this.includeCharacters?.includes(grapheme)){wordChunks.push(grapheme);}else if(!/^\p{Pd}|\p{Pe}|\p{Pf}|\p{Pi}|\p{Po}|\p{Ps}$/u.test(grapheme)){wordChunks.push(grapheme.toLocaleLowerCase());}}if(wordChunks.length>0){term_chunks.push(wordChunks.join(""));}}term=term_chunks.join(" ").replace(/\s{2,}/g," ").trim();}else{for(const{segment:grapheme}of graphemeSegmenter.segment(term)){if(this.includeCharacters?.includes(grapheme)){term_chunks.push(grapheme);}else if(!/^\p{Pd}|\p{Pe}|\p{Pf}|\p{Pi}|\p{Po}|\p{Ps}$/u.test(grapheme)){term_chunks.push(grapheme.toLocaleLowerCase());}}term=term_chunks.join("").replace(/\s{2,}/g," ").trim();}}else{for(const char of term){if(this.includeCharacters?.includes(char)){term_chunks.push(char);}else if(!/^\p{Pd}|\p{Pe}|\p{Pf}|\p{Pi}|\p{Po}|\p{Ps}$/u.test(char)){term_chunks.push(char.toLocaleLowerCase());}}term=term_chunks.join("").replace(/\s{2,}/g," ").trim();}const originalTerm=term;term=normalizeDiacritics(term);log(`Normalized search term to ${term}`);if(!term?.length&&!filter_only){return{results:[],unfilteredResultCount:0,filters:{},totalFilters:{},timings:{preload:Date.now()-start,search:Date.now()-start,total:Date.now()-start}};}let sort_list=this.stringifySorts(options.sort);log(`Stringified sort to ${sort_list}`);const filter_list=this.stringifyFilters(options.filters);log(`Stringified filters to ${filter_list}`);let index_resp=this.backend.request_indexes(ptr,term);let index_array=JSON.parse(index_resp);let filter_resp=this.backend.request_filter_indexes(ptr,filter_list);let filter_array=JSON.parse(filter_resp);let chunks=index_array.filter((v)=>v).map((chunk)=>this.loadChunk(chunk));let filter_chunks=filter_array.filter((v)=>v).map((chunk)=>this.loadFilterChunk(chunk));await Promise.all([...chunks,...filter_chunks]);log(`Loaded necessary chunks to run search`);if(options.preload){log(`Preload \u2014 bailing out of search operation now.`);return null;}ptr=await this.getPtr();let searchStart=Date.now();let result=this.backend.search(ptr,term,originalTerm,filter_list,sort_list,exact_search,this.exactDiacritics);log(`Got the raw search result: ${result}`);let{filtered_counts,total_counts,results,unfiltered_total,search_keywords,query_term_idfs}=JSON.parse(result);let resultsInterface=results.map((result2)=>{let weighted_locations=result2.l.map((l)=>{let loc={weight:l.w/24,balanced_score:l.s,location:l.l};if(l.v){loc.verbose={word_string:l.v.ws,length_bonus:l.v.lb};}return loc;});let locations=weighted_locations.map((l)=>l.location);let res={id:result2.p,score:result2.s*this.indexWeight,words:locations,data:async()=>await this.loadFragment(result2.p,weighted_locations,term)};if(result2.params){res.params={document_length:result2.params.dl,average_page_length:result2.params.apl,total_pages:result2.params.tp};}if(result2.scores){res.scores=result2.scores.map((r)=>{return{search_term:r.w,idf:r.idf,saturating_tf:r.b_tf,raw_tf:r.r_tf,pagefind_tf:r.p_tf,score:r.s,params:{weighted_term_frequency:r.params.w_tf,pages_containing_term:r.params.pct,length_bonus:r.params.lb}};});}if(result2.mf&&result2.mf.length>0){res.matchedMetaFields=result2.mf;}if(result2.vms&&result2.vms.length>0){res.verbose_meta_scores=result2.vms.map((s)=>({field_name:s.fn,field_weight:s.fw,matched_terms:s.mt,matched_idf:s.mi,query_total_idf:s.ti,coverage:s.cv,coverage_boost:s.cb}));}return res;});const searchTime=Date.now()-searchStart;const realTime=Date.now()-start;log(`Found ${results.length} result${results.length == 1 ? "" : "s"} for "${term}" in ${Date.now() - searchStart}ms (${Date.now() - start}ms realtime)`);let response={results:resultsInterface,unfilteredResultCount:unfiltered_total,filters:filtered_counts,totalFilters:total_counts,timings:{preload:realTime-searchTime,search:searchTime,total:realTime}};if(search_keywords){response.search_keywords=search_keywords;}if(query_term_idfs){response.query_term_idfs=query_term_idfs.map((q)=>({term:q.t,idf:q.i}));}return response;}};var Pagefind=class{constructor(options={}){__publicField(this,"primaryLanguage");__publicField(this,"searchID");__publicField(this,"primary");__publicField(this,"instances");this.primaryLanguage="unknown";this.searchID=0;this.primary=new PagefindInstance({...options,primary:true});this.instances=[this.primary];this.init(options?.language);}async options(options){await this.primary.options(options);}async enterPlaygroundMode(){await this.primary.enterPlaygroundMode();}async init(overrideLanguage){if(isBrowser()&&document?.querySelector){const langCode=document.querySelector("html")?.getAttribute("lang")||"unknown";this.primaryLanguage=langCode.toLocaleLowerCase();}if(overrideLanguage){this.primaryLanguage=overrideLanguage;}await this.primary.init(overrideLanguage?overrideLanguage:this.primaryLanguage,{load_wasm:true});}async mergeIndex(indexPath,options={}){if(this.primary.basePath.startsWith(indexPath)){console.warn(`Skipping mergeIndex ${indexPath} that appears to be the same as the primary index (${this.primary.basePath})`);return;}let newInstance=new PagefindInstance({primary:false,basePath:indexPath,...options});this.instances.push(newInstance);while(this.primary.wasm===null){await asyncSleep(50);}await newInstance.init(options.language||this.primaryLanguage,{load_wasm:false});const{language,...remainingOptions}=options;await newInstance.options(remainingOptions);}mergeFilters(filters){const merged={};for(const searchFilter of filters){for(const[filterKey,values]of Object.entries(searchFilter)){if(!merged[filterKey]){merged[filterKey]=values;continue;}else{const filter=merged[filterKey];for(const[valueKey,count]of Object.entries(values)){filter[valueKey]=(filter[valueKey]||0)+count;}}}}return merged;}async filters(){let filters=await Promise.all(this.instances.map((i2)=>i2.filters()));return this.mergeFilters(filters);}async preload(term,options={}){await Promise.all(this.instances.map((i2)=>i2.preload(term,options)));}async debouncedSearch(term,options,debounceTimeoutMs){const thisSearchID=++this.searchID;this.preload(term,options);await asyncSleep(debounceTimeoutMs);if(thisSearchID!==this.searchID){return null;}const searchResult=await this.search(term,options);if(thisSearchID!==this.searchID){return null;}return searchResult;}async search(term,options={}){let search=await Promise.all(this.instances.map((i2)=>i2.search(term,options)));const filters=this.mergeFilters(search.map((s)=>s.filters));const totalFilters=this.mergeFilters(search.map((s)=>s.totalFilters));const results=search.map((s)=>s.results).flat().sort((a,b)=>b.score-a.score);const timings=search.map((s)=>s.timings);const unfilteredResultCount=search.reduce((sum,s)=>sum+s.unfilteredResultCount,0);let response={results,unfilteredResultCount,filters,totalFilters,timings};if(search[0].search_keywords){response.search_keywords=search[0].search_keywords;}if(search[0].query_term_idfs){response.query_term_idfs=search[0].query_term_idfs;}return response;}};var dataCallbacks=new Map();var instanceDataIds=new Map();var instances=new Map();var DEFAULT_INSTANCE="default";var getInstance=(instanceId)=>{const instance=instances.get(instanceId);if(!instance){throw new Error(`Pagefind instance "${instanceId}" not initialized`);}return instance;};var registerDataCallback=(instanceId,dataId,dataFn)=>{dataCallbacks.set(dataId,{getData:dataFn});if(!instanceDataIds.has(instanceId)){instanceDataIds.set(instanceId,new Set());}instanceDataIds.get(instanceId).add(dataId);};var handleMessage=async(message)=>{const{id,method,args}=message;const instanceId=message.instanceId??DEFAULT_INSTANCE;try{switch(method){case"init":{const[options]=args;instances.set(instanceId,new Pagefind(options));return{id,result:true};}case"options":{const pagefindInstance=getInstance(instanceId);const[options]=args;await pagefindInstance.options(options);return{id,result:true};}case"enterPlaygroundMode":{const pagefindInstance=getInstance(instanceId);await pagefindInstance.enterPlaygroundMode();return{id,result:true};}case"mergeIndex":{const pagefindInstance=getInstance(instanceId);const[indexPath,options]=args;await pagefindInstance.mergeIndex(indexPath,options);return{id,result:true};}case"search":{const pagefindInstance=getInstance(instanceId);const[term,options]=args;const results=await pagefindInstance.search(term,options);if(results&&results.results){for(let i2=0;i2<results.results.length;i2++){const result=results.results[i2];const dataFn=result.data;const dataId=`data_${id}_${i2}`;registerDataCallback(instanceId,dataId,dataFn);result.data=dataId;}}if(results&&options&&options.verbose){results.search_environment="webworker";}return{id,result:results};}case"debouncedSearch":{const pagefindInstance=getInstance(instanceId);const[term,options,debounceTimeoutMs]=args;const results=await pagefindInstance.debouncedSearch(term,options,debounceTimeoutMs);if(results&&results.results){for(let i2=0;i2<results.results.length;i2++){const result=results.results[i2];const dataFn=result.data;const dataId=`data_${id}_${i2}`;registerDataCallback(instanceId,dataId,dataFn);result.data=dataId;}}if(results&&options&&options.verbose){results.search_environment="webworker";}return{id,result:results};}case"preload":{const pagefindInstance=getInstance(instanceId);const[term,options]=args;await pagefindInstance.preload(term,options);return{id,result:true};}case"filters":{const pagefindInstance=getInstance(instanceId);const result=await pagefindInstance.filters();return{id,result};}case"getData":{const[dataId]=args;const callback=dataCallbacks.get(dataId);if(!callback?.getData){return{id,result:null};}const data=await callback.getData();return{id,result:data};}case"releaseData":{const[dataId]=args;dataCallbacks.delete(dataId);instanceDataIds.get(instanceId)?.delete(dataId);return{id,result:true};}case"destroy":{instances.delete(instanceId);const dataIds=instanceDataIds.get(instanceId);if(dataIds){for(const dataId of dataIds){dataCallbacks.delete(dataId);}instanceDataIds.delete(instanceId);}return{id,result:true};}default:throw new Error(`Unknown method: ${method}`);}}catch(error){return{id,error:error instanceof Error?error.message:String(error)};}};self.addEventListener("message",async(event)=>{const message=event.data;const response=await handleMessage(message);self.postMessage(response);});})(); |