tdf-webseite/pagefind/pagefind.js

const pagefind_version="1.1.0";let wasm_bindgen;(function(){const __exports={};let script_src;if(typeof document!=='undefined'&&document.currentScript!==null){script_src=new URL("UNHANDLED",location.href).toString()}let wasm=undefined;let cachedUint8Memory0=null;function getUint8Memory0(){if(cachedUint8Memory0===null||cachedUint8Memory0.byteLength===0){cachedUint8Memory0=new Uint8Array(wasm.memory.buffer)}return cachedUint8Memory0}let WASM_VECTOR_LEN=0;function passArray8ToWasm0(arg,malloc){const ptr=malloc(arg.length*1,1)>>>0;getUint8Memory0().set(arg,ptr/1);WASM_VECTOR_LEN=arg.length;return ptr}__exports.init_pagefind=function(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};const cachedTextEncoder=(typeof TextEncoder!=='undefined'?new TextEncoder('utf-8'):{encode:()=>{throw Error('TextEncoder not available')}});const encodeString=(typeof cachedTextEncoder.encodeInto==='function'?function(arg,view){return cachedTextEncoder.encodeInto(arg,view)}:function(arg,view){const buf=cachedTextEncoder.encode(arg);view.set(buf);return{read:arg.length,written:buf.length}});function passStringToWasm0(arg,malloc,realloc){if(realloc===undefined){const buf=cachedTextEncoder.encode(arg);const ptr=malloc(buf.length,1)>>>0;getUint8Memory0().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=getUint8Memory0();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=getUint8Memory0().subarray(ptr+offset,ptr+len);const ret=encodeString(arg,view);offset+=ret.written;ptr=realloc(ptr,len,offset,1)>>>0}WASM_VECTOR_LEN=offset;return ptr}__exports.set_ranking_weights=function(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.load_index_chunk=function(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_filter_chunk=function(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.add_synthetic_filter=function(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};let cachedInt32Memory0=null;function getInt32Memory0(){if(cachedInt32Memory0===null||cachedInt32Memory0.byteLength===0){cachedInt32Memory0=new Int32Array(wasm.memory.buffer)}return cachedInt32Memory0}const cachedTextDecoder=(typeof TextDecoder!=='undefined'?new TextDecoder('utf-8',{ignoreBOM:true,fatal:true}):{decode:()=>{throw Error('TextDecoder not available')}});if(typeof TextDecoder!=='undefined'){cachedTextDecoder.decode()};function getStringFromWasm0(ptr,len){ptr=ptr>>>0;return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr,ptr+len))}__exports.request_indexes=function(ptr,query){let deferred2_0;let deferred2_1;try{const retptr=wasm.__wbindgen_add_to_stack_pointer(-16);const ptr0=passStringToWasm0(query,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len0=WASM_VECTOR_LEN;wasm.request_indexes(retptr,ptr,ptr0,len0);var r0=getInt32Memory0()[retptr/4+0];var r1=getInt32Memory0()[retptr/4+1];deferred2_0=r0;deferred2_1=r1;return getStringFromWasm0(r0,r1)}finally{wasm.__wbindgen_add_to_stack_pointer(16);wasm.__wbindgen_free(deferred2_0,deferred2_1,1)}};__exports.request_filter_indexes=function(ptr,filters){let deferred2_0;let deferred2_1;try{const retptr=wasm.__wbindgen_add_to_stack_pointer(-16);const ptr0=passStringToWasm0(filters,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len0=WASM_VECTOR_LEN;wasm.request_filter_indexes(retptr,ptr,ptr0,len0);var r0=getInt32Memory0()[retptr/4+0];var r1=getInt32Memory0()[retptr/4+1];deferred2_0=r0;deferred2_1=r1;return getStringFromWasm0(r0,r1)}finally{wasm.__wbindgen_add_to_stack_pointer(16);wasm.__wbindgen_free(deferred2_0,deferred2_1,1)}};__exports.request_all_filter_indexes=function(ptr){let deferred1_0;let deferred1_1;try{const retptr=wasm.__wbindgen_add_to_stack_pointer(-16);wasm.request_all_filter_indexes(retptr,ptr);var r0=getInt32Memory0()[retptr/4+0];var r1=getInt32Memory0()[retptr/4+1];deferred1_0=r0;deferred1_1=r1;return getStringFromWasm0(r0,r1)}finally{wasm.__wbindgen_add_to_stack_pointer(16);wasm.__wbindgen_free(deferred1_0,deferred1_1,1)}};__exports.filters=function(ptr){let deferred1_0;let deferred1_1;try{const retptr=wasm.__wbindgen_add_to_stack_pointer(-16);wasm.filters(retptr,ptr);var r0=getInt32Memory0()[retptr/4+0];var r1=getInt32Memory0()[retptr/4+1];deferred1_0=r0;deferred1_1=r1;return getStringFromWasm0(r0,r1)}finally{wasm.__wbindgen_add_to_stack_pointer(16);wasm.__wbindgen_free(deferred1_0,deferred1_1,1)}};__exports.search=function(ptr,query,filter,sort,exact){let deferred4_0;let deferred4_1;try{const retptr=wasm.__wbindgen_add_to_stack_pointer(-16);const ptr0=passStringToWasm0(query,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len0=WASM_VECTOR_LEN;const ptr1=passStringToWasm0(filter,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len1=WASM_VECTOR_LEN;const ptr2=passStringToWasm0(sort,wasm.__wbindgen_malloc,wasm.__wbindgen_realloc);const len2=WASM_VECTOR_LEN;wasm.search(retptr,ptr,ptr0,len0,ptr1,len1,ptr2,len2,exact);var r0=getInt32Memory0()[retptr/4+0];var r1=getInt32Memory0()[retptr/4+1];deferred4_0=r0;deferred4_1=r1;return getStringFromWasm0(r0,r1)}finally{wasm.__wbindgen_add_to_stack_pointer(16);wasm.__wbindgen_free(deferred4_0,deferred4_1,1)}};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){if(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 __wbg_get_imports(){const imports={};imports.wbg={};return imports}function __wbg_init_memory(imports,maybe_memory){}function __wbg_finalize_init(instance,module){wasm=instance.exports;__wbg_init.__wbindgen_wasm_module=module;cachedInt32Memory0=null;cachedUint8Memory0=null;return wasm}function initSync(module){if(wasm!==undefined)return wasm;const imports=__wbg_get_imports();__wbg_init_memory(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(input){if(wasm!==undefined)return wasm;if(typeof input==='undefined'&&typeof script_src!=='undefined'){input=script_src.replace(/\.js$/,'_bg.wasm')}const imports=__wbg_get_imports();if(typeof input==='string'||(typeof Request==='function'&&input instanceof Request)||(typeof URL==='function'&&input instanceof URL)){input=fetch(input)}__wbg_init_memory(imports);const{instance,module}=await __wbg_load(await input,imports);return __wbg_finalize_init(instance,module)}wasm_bindgen=Object.assign(__wbg_init,{initSync},__exports)})();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)}for(let word of locations){if(fragment_words[word]?.startsWith(`<mark>`)){continue}fragment_words[word]=`<mark>${fragment_words[word]}</mark>`}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}return fragment_words.slice(start,start+length).join(is_zws_delimited?"":" ").trim()};var calculate_sub_results=(fragment,desired_excerpt_length)=>{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:fragment.url,weighted_locations:[],locations:[],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;current_anchor.excerpt=build_excerpt(fragment.raw_content??"",excerpt_start,excerpt_length,current_anchor.locations,current_anchor_position,end_range);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=fragment.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 ${anchored_url} for a search result`)}current_anchor_position=next_anchor.location;current_anchor={title:next_anchor.text,url:anchored_url,anchor:next_anchor,weighted_locations:[word],locations:[word.location],excerpt:""}}}add_result(anchors[0]?.location);return results};var asyncSleep=async(ms=100)=>{return new Promise((r)=>setTimeout(r,ms))};var PagefindInstance=class{constructor(opts={}){this.version=pagefind_version;this.backend=wasm_bindgen;this.decoder=new TextDecoder("utf-8");this.wasm=null;this.basePath=opts.basePath||"/pagefind/";this.primary=opts.primary||false;if(this.primary&&!opts.basePath){this.initPrimary()}if(/[^\/]$/.test(this.basePath)){this.basePath=`${this.basePath}/`}if(window?.location?.origin&&this.basePath.startsWith(window.location.origin)){this.basePath=this.basePath.replace(window.location.origin,"")}this.baseUrl=opts.baseUrl||this.defaultBaseUrl();if(!/^(\/|https?:\/\/)/.test(this.baseUrl)){this.baseUrl=`/${this.baseUrl}`}this.indexWeight=opts.indexWeight??1;this.excerptLength=opts.excerptLength??30;this.mergeFilter=opts.mergeFilter??{};this.ranking=opts.ranking;this.highlightParam=opts.highlightParam??null;this.loaded_chunks={};this.loaded_filters={};this.loaded_fragments={};this.raw_ptr=null;this.searchMeta=null;this.languages=null}initPrimary(){let derivedBasePath=import.meta.url.match(/^(.*\/)pagefind.js.*$/)?.[1];if(derivedBasePath){this.basePath=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"))}}defaultBaseUrl(){let default_base=this.basePath.match(/^(.*\/)_?pagefind/)?.[1];return default_base||"/"}async options(options2){const opts=["basePath","baseUrl","indexWeight","excerptLength","mergeFilter","highlightParam","ranking"];for(const[k,v]of Object.entries(options2)){if(k==="mergeFilter"){let filters2=this.stringifyFilters(v);let ptr=await this.getPtr();this.raw_ptr=this.backend.add_synthetic_filter(ptr,filters2)}else if(k==="ranking"){await this.set_ranking(options2.ranking)}else if(opts.includes(k)){if(k==="basePath"&&typeof v==="string")this.basePath=v;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}else{console.warn(`Unknown Pagefind option ${k}. Allowed options: [${opts.join(", ")}]`)}}}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 ${file} appears to have failed: Missing signature`);return data}return data.slice(12)}async set_ranking(ranking){if(!ranking)return;let rankingWeights={term_similarity:ranking.termSimilarity??null,page_length:ranking.pageLength??null,term_saturation:ranking.termSaturation??null,term_frequency:ranking.termFrequency??null};let ptr=await this.getPtr();this.raw_ptr=this.backend.set_ranking_weights(ptr,JSON.stringify(rankingWeights))}async init(language,opts){await this.loadEntry();let index=this.findIndex(language);let lang_wasm=index.wasm?index.wasm:"unknown";let resources=[this.loadMeta(index.hash)];if(opts.load_wasm===true){resources.push(this.loadWasm(lang_wasm))}await Promise.all(resources);this.raw_ptr=this.backend.init_pagefind(new Uint8Array(this.searchMeta));if(Object.keys(this.mergeFilter)?.length){let filters2=this.stringifyFilters(this.mergeFilter);let ptr=await this.getPtr();this.raw_ptr=this.backend.add_synthetic_filter(ptr,filters2)}if(this.ranking){await this.set_ranking(this.ranking)}}async loadEntry(){try{let entry_response=await fetch(`${this.basePath}pagefind-entry.json?ts=${Date.now()}`);let entry_json=await entry_response.json();this.languages=entry_json.languages;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:
${e?.toString()}`);throw new Error("Failed to load Pagefind metadata")}}findIndex(language){if(this.languages){let index=this.languages[language];if(index)return index;index=this.languages[language.split("-")[0]];if(index)return index;let topLang=Object.values(this.languages).sort((a,b)=>b.page_count-a.page_count);if(topLang[0])return topLang[0]}throw new Error("Pagefind Error: No language indexes found.")}async loadMeta(index){try{let compressed_resp=await fetch(`${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:
${e?.toString()}`)}}async loadWasm(language){try{const wasm_url=`${this.basePath}wasm.${language}.pagefind`;let compressed_resp=await fetch(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(final_wasm)}catch(e){console.error(`Failed to load the Pagefind WASM:
${e?.toString()}`);throw new Error(`Failed to load the Pagefind WASM:
${e?.toString()}`)}}async _loadGenericChunk(url,method){try{let compressed_resp=await fetch(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}:
${e?.toString()}`)}}async loadChunk(hash){if(!this.loaded_chunks[hash]){const url=`${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/${hash}.pf_filter`;this.loaded_filters[hash]=this._loadGenericChunk(url,"load_filter_chunk")}return await this.loaded_filters[hash]}async _loadFragment(hash){let compressed_resp=await fetch(`${this.basePath}fragment/${hash}.pf_fragment`);let compressed_fragment=await compressed_resp.arrayBuffer();let fragment=this.decompress(new Uint8Array(compressed_fragment),`Fragment ${hash}`);return JSON.parse(new TextDecoder().decode(fragment))}async loadFragment(hash,weighted_locations=[],search_term){if(!this.loaded_fragments[hash]){this.loaded_fragments[hash]=this._loadFragment(hash)}let fragment=await this.loaded_fragments[hash];fragment.weighted_locations=weighted_locations;fragment.locations=weighted_locations.map((l)=>l.location);if(!fragment.raw_content){fragment.raw_content=fragment.content.replace(/</g,"&lt;").replace(/>/g,"&gt;");fragment.content=fragment.content.replace(/\u200B/g,"")}if(!fragment.raw_url){fragment.raw_url=fragment.url}fragment.url=this.processedUrl(fragment.raw_url,search_term);const excerpt_start=calculate_excerpt_region(weighted_locations,this.excerptLength);fragment.excerpt=build_excerpt(fragment.raw_content,excerpt_start,this.excerptLength,fragment.locations);fragment.sub_results=calculate_sub_results(fragment,this.excerptLength);return fragment}fullUrl(raw){if(/^(https?:)?\/\//.test(raw)){return raw}return`${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){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}parseFilters(str){let output={};if(!str)return output;for(const block of str.split("__PF_FILTER_DELIM__")){let[filter,values]=block.split(/:(.*)$/);output[filter]={};if(values){for(const valueBlock of values.split("__PF_VALUE_DELIM__")){if(valueBlock){let extract=valueBlock.match(/^(.*):(\d+)$/);if(extract){let[,value,count]=extract;output[filter][value]=parseInt(count)??count}}}}}return output}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 filters2=this.backend.request_all_filter_indexes(ptr);let filter_chunks=filters2.split(" ").filter((v)=>v).map((chunk)=>this.loadFilterChunk(chunk));await Promise.all([...filter_chunks]);ptr=await this.getPtr();let results=this.backend.filters(ptr);return this.parseFilters(results)}async preload(term,options2={}){await this.search(term,{...options2,preload:true})}async search(term,options2={}){options2={verbose:false,filters:{},sort:{},...options2};const log=(str)=>{if(options2.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`)}term=term.toLowerCase().trim().replace(/[\.`~!@#\$%\^&\*\(\)\{\}\[\]\\\|:;'",<>\/\?\-]/g,"").replace(/\s{2,}/g," ").trim();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(options2.sort);log(`Stringified sort to ${sort_list}`);const filter_list=this.stringifyFilters(options2.filters);log(`Stringified filters to ${filter_list}`);let index_resp=this.backend.request_indexes(ptr,term);let filter_resp=this.backend.request_filter_indexes(ptr,filter_list);let chunks=index_resp.split(" ").filter((v)=>v).map((chunk)=>this.loadChunk(chunk));let filter_chunks=filter_resp.split(" ").filter((v)=>v).map((chunk)=>this.loadFilterChunk(chunk));await Promise.all([...chunks,...filter_chunks]);log(`Loaded necessary chunks to run search`);if(options2.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,filter_list,sort_list,exact_search);log(`Got the raw search result: ${result}`);let[unfilteredResultCount,all_results,filters2,totalFilters]=result.split(/:([^:]*):(.*)__PF_UNFILTERED_DELIM__(.*)$/);let filterObj=this.parseFilters(filters2);let totalFilterObj=this.parseFilters(totalFilters);log(`Remaining filters: ${JSON.stringify(result)}`);let results=all_results.length?all_results.split(" "):[];let resultsInterface=results.map((result2)=>{let[hash,score,all_locations]=result2.split("@");log(`Processing result: 
  hash:${hash}
  score:${score}
  locations:${all_locations}`);let weighted_locations=all_locations.length?all_locations.split(",").map((l)=>{let[weight,balanced_score,location]=l.split(">");return{weight:parseInt(weight)/24,balanced_score:parseFloat(balanced_score),location:parseInt(location)}}):[];let locations=weighted_locations.map((l)=>l.location);return{id:hash,score:parseFloat(score)*this.indexWeight,words:locations,data:async()=>await this.loadFragment(hash,weighted_locations,term)}});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)`);return{results:resultsInterface,unfilteredResultCount:parseInt(unfilteredResultCount),filters:filterObj,totalFilters:totalFilterObj,timings:{preload:realTime-searchTime,search:searchTime,total:realTime}}}};var Pagefind=class{constructor(options2={}){this.backend=wasm_bindgen;this.primaryLanguage="unknown";this.searchID=0;this.primary=new PagefindInstance({...options2,primary:true});this.instances=[this.primary];this.init(options2?.language)}async options(options2){await this.primary.options(options2)}async init(overrideLanguage){if(document?.querySelector){const langCode=document.querySelector("html")?.getAttribute("lang")||"unknown";this.primaryLanguage=langCode.toLocaleLowerCase()}await this.primary.init(overrideLanguage?overrideLanguage:this.primaryLanguage,{load_wasm:true})}async mergeIndex(indexPath,options2={}){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});this.instances.push(newInstance);while(this.primary.wasm===null){await asyncSleep(50)}await newInstance.init(options2.language||this.primaryLanguage,{load_wasm:false});delete options2["language"];await newInstance.options(options2)}mergeFilters(filters2){const merged={};for(const searchFilter of filters2){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 filters2=await Promise.all(this.instances.map((i2)=>i2.filters()));return this.mergeFilters(filters2)}async preload(term,options2={}){await Promise.all(this.instances.map((i2)=>i2.preload(term,options2)))}async debouncedSearch(term,options2,debounceTimeoutMs){const thisSearchID=++this.searchID;this.preload(term,options2);await asyncSleep(debounceTimeoutMs);if(thisSearchID!==this.searchID){return null}const searchResult=await this.search(term,options2);if(thisSearchID!==this.searchID){return null}return searchResult}async search(term,options2={}){let search2=await Promise.all(this.instances.map((i2)=>i2.search(term,options2)));const filters2=this.mergeFilters(search2.map((s)=>s.filters));const totalFilters=this.mergeFilters(search2.map((s)=>s.totalFilters));const results=search2.map((s)=>s.results).flat().sort((a,b)=>b.score-a.score);const timings=search2.map((s)=>s.timings);const unfilteredResultCount=search2.reduce((sum,s)=>sum+s.unfilteredResultCount,0);return{results,unfilteredResultCount,filters:filters2,totalFilters,timings}}};var pagefind=void 0;var initial_options=void 0;var init_pagefind=()=>{if(!pagefind){pagefind=new Pagefind(initial_options??{})}};var options=async(new_options)=>{if(pagefind){await pagefind.options(new_options)}else{initial_options=new_options}};var init=async()=>{init_pagefind()};var destroy=async()=>{pagefind=void 0;initial_options=void 0};var mergeIndex=async(indexPath,options2)=>{init_pagefind();return await pagefind.mergeIndex(indexPath,options2)};var search=async(term,options2)=>{init_pagefind();return await pagefind.search(term,options2)};var debouncedSearch=async(term,options2,debounceTimeoutMs=300)=>{init_pagefind();return await pagefind.debouncedSearch(term,options2,debounceTimeoutMs)};var preload=async(term,options2)=>{init_pagefind();return await pagefind.preload(term,options2)};var filters=async()=>{init_pagefind();return await pagefind.filters()};export{debouncedSearch,destroy,filters,init,mergeIndex,options,preload,search}