1 line
No EOL
21 KiB
JavaScript
1 line
No EOL
21 KiB
JavaScript
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Merged index (${this.basePath}): ${t.version}`,"If you encounter any search errors, make sure that both sites are running the same version of Pagefind."].join("\n")))}catch(e){throw console.error(`Failed to load Pagefind metadata:\n${e?.toString()}`),new Error("Failed to load Pagefind metadata")}}findIndex(e){if(this.languages){let t=this.languages[e];if(t)return t;if(t=this.languages[e.split("-")[0]],t)return t;let n=Object.values(this.languages).sort(((e,t)=>t.page_count-e.page_count));if(n[0])return n[0]}throw new Error("Pagefind Error: No language indexes found.")}async loadMeta(e){try{let t=await fetch(`${this.basePath}pagefind.${e}.pf_meta`),n=await t.arrayBuffer();this.searchMeta=this.decompress(new Uint8Array(n),"Pagefind metadata")}catch(e){console.error(`Failed to load the meta index:\n${e?.toString()}`)}}async loadWasm(e){try{const t=`${this.basePath}wasm.${e}.pagefind`;let n=await fetch(t),a=await n.arrayBuffer();const r=this.decompress(new Uint8Array(a),"Pagefind WebAssembly");if(!r)throw new Error("No WASM after decompression");this.wasm=await this.backend(r)}catch(e){throw console.error(`Failed to load the Pagefind WASM:\n${e?.toString()}`),new Error(`Failed to load the Pagefind WASM:\n${e?.toString()}`)}}async _loadGenericChunk(e,t){try{let n=await fetch(e),a=await n.arrayBuffer(),r=this.decompress(new Uint8Array(a),e),i=await this.getPtr();this.raw_ptr=this.backend[t](i,r)}catch(t){console.error(`Failed to load the index chunk ${e}:\n${t?.toString()}`)}}async loadChunk(e){if(!this.loaded_chunks[e]){const t=`${this.basePath}index/${e}.pf_index`;this.loaded_chunks[e]=this._loadGenericChunk(t,"load_index_chunk")}return await this.loaded_chunks[e]}async loadFilterChunk(e){if(!this.loaded_filters[e]){const t=`${this.basePath}filter/${e}.pf_filter`;this.loaded_filters[e]=this._loadGenericChunk(t,"load_filter_chunk")}return await this.loaded_filters[e]}async _loadFragment(e){let t=await fetch(`${this.basePath}fragment/${e}.pf_fragment`),n=await t.arrayBuffer(),a=this.decompress(new Uint8Array(n),`Fragment ${e}`);return JSON.parse((new TextDecoder).decode(a))}async loadFragment(e,t=[],n){this.loaded_fragments[e]||(this.loaded_fragments[e]=this._loadFragment(e));let a=await this.loaded_fragments[e];a.weighted_locations=t,a.locations=t.map((e=>e.location)),a.raw_content||(a.raw_content=a.content.replace(/</g,"<").replace(/>/g,">"),a.content=a.content.replace(/\u200B/g,"")),a.raw_url||(a.raw_url=a.url),a.url=this.processedUrl(a.raw_url,n);const r=L(t,this.excerptLength);return a.excerpt=A(a.raw_content,r,this.excerptLength,a.locations),a.sub_results=((e,t)=>{const n=e.anchors.filter((e=>/h\d/i.test(e.element)&&e.text?.length&&/\S/.test(e.text))).sort(((e,t)=>e.location-t.location)),a=[];let r=0,i={title:e.meta.title,url:e.url,weighted_locations:[],locations:[],excerpt:""};const s=n=>{if(i.locations.length){const s=i.weighted_locations.map((e=>({weight:e.weight,balanced_score:e.balanced_score,location:e.location-r}))),o=L(s,t)+r,l=n?Math.min(n-o,t):t;i.excerpt=A(e.raw_content??"",o,l,i.locations,r,n),a.push(i)}};for(let t of e.weighted_locations)if(!n.length||t.location<n[0].location)i.weighted_locations.push(t),i.locations.push(t.location);else{let a=n.shift();for(s(a.location);n.length&&t.location>=n[0].location;)a=n.shift();let o=e.url;try{if(/^((https?:)?\/\/)/.test(o)){let e=new URL(o);e.hash=a.id,o=e.toString()}else{/^\//.test(o)||(o=`/${o}`);let e=new URL(`https://example.com${o}`);e.hash=a.id,o=e.toString().replace(/^https:\/\/example.com/,"")}}catch(e){console.error(`Pagefind: Couldn't process ${o} for a search result`)}r=a.location,i={title:a.text,url:o,anchor:a,weighted_locations:[t],locations:[t.location],excerpt:""}}return s(n[0]?.location),a})(a,this.excerptLength),a}fullUrl(e){return/^(https?:)?\/\//.test(e)?e:`${this.baseUrl}/${e}`.replace(/\/+/g,"/").replace(/^(https?:\/)/,"$1/")}processedUrl(e,t){const n=this.fullUrl(e);if(null===this.highlightParam)return n;let a=t.split(/\s+/);try{let e=new URL(n);for(const t of a)e.searchParams.append(this.highlightParam,t);return e.toString()}catch(e){try{let e=new URL(`https://example.com${n}`);for(const t of a)e.searchParams.append(this.highlightParam,t);return e.toString().replace(/^https:\/\/example\.com/,"")}catch(e){return n}}}async getPtr(){for(;null===this.raw_ptr;)await I(50);if(!this.raw_ptr)throw console.error("Pagefind: WASM Error (No pointer)"),new Error("Pagefind: WASM Error (No pointer)");return this.raw_ptr}parseFilters(e){let t={};if(!e)return t;for(const n of e.split("__PF_FILTER_DELIM__")){let[e,a]=n.split(/:(.*)$/);if(t[e]={},a)for(const n of a.split("__PF_VALUE_DELIM__"))if(n){let a=n.match(/^(.*):(\d+)$/);if(a){let[,n,r]=a;t[e][n]=parseInt(r)??r}}}return t}stringifyFilters(e={}){return JSON.stringify(e)}stringifySorts(e={}){let t=Object.entries(e);for(let[e,n]of t)return t.length>1&&console.warn(`Pagefind was provided multiple sort options in this search, but can only operate on one. Using the ${e} sort.`),"asc"!==n&&"desc"!==n&&console.warn(`Pagefind was provided a sort with unknown direction ${n}. Supported: [asc, desc]`),`${e}:${n}`;return""}async filters(){let e=await this.getPtr(),t=this.backend.request_all_filter_indexes(e).split(" ").filter((e=>e)).map((e=>this.loadFilterChunk(e)));await Promise.all([...t]),e=await this.getPtr();let n=this.backend.filters(e);return this.parseFilters(n)}async preload(e,t={}){await this.search(e,{...t,preload:!0})}async search(e,t={}){t={verbose:!1,filters:{},sort:{},...t};const n=e=>{t.verbose&&console.log(e)};n(`Starting search on ${this.basePath}`);let a=Date.now(),r=await this.getPtr(),i=null===e,s=/^\s*".+"\s*$/.test(e=e??"");if(s&&n("Running an exact search"),e=e.toLowerCase().trim().replace(/[\.`~!@#\$%\^&\*\(\)\{\}\[\]\\\|:;'",<>\/\?\-]/g,"").replace(/\s{2,}/g," ").trim(),n(`Normalized search term to ${e}`),!e?.length&&!i)return{results:[],unfilteredResultCount:0,filters:{},totalFilters:{},timings:{preload:Date.now()-a,search:Date.now()-a,total:Date.now()-a}};let o=this.stringifySorts(t.sort);n(`Stringified sort to ${o}`);const l=this.stringifyFilters(t.filters);n(`Stringified filters to ${l}`);let c=this.backend.request_indexes(r,e),h=this.backend.request_filter_indexes(r,l),d=c.split(" ").filter((e=>e)).map((e=>this.loadChunk(e))),f=h.split(" ").filter((e=>e)).map((e=>this.loadFilterChunk(e)));if(await Promise.all([...d,...f]),n("Loaded necessary chunks to run search"),t.preload)return n("Preload — bailing out of search operation now."),null;r=await this.getPtr();let u=Date.now(),g=this.backend.search(r,e,l,o,s);n(`Got the raw search result: ${g}`);let[_,w,p,m]=g.split(/:([^:]*):(.*)__PF_UNFILTERED_DELIM__(.*)$/),y=this.parseFilters(p),b=this.parseFilters(m);n(`Remaining filters: ${JSON.stringify(g)}`);let P=w.length?w.split(" "):[],v=P.map((t=>{let[a,r,i]=t.split("@");n(`Processing result: \n hash:${a}\n score:${r}\n locations:${i}`);let s=i.length?i.split(",").map((e=>{let[t,n,a]=e.split(">");return{weight:parseInt(t)/24,balanced_score:parseFloat(n),location:parseInt(a)}})):[],o=s.map((e=>e.location));return{id:a,score:parseFloat(r)*this.indexWeight,words:o,data:async()=>await this.loadFragment(a,s,e)}}));const k=Date.now()-u,$=Date.now()-a;return n(`Found ${P.length} result${1==P.length?"":"s"} for "${e}" in ${Date.now()-u}ms (${Date.now()-a}ms realtime)`),{results:v,unfilteredResultCount:parseInt(_),filters:y,totalFilters:b,timings:{preload:$-k,search:k,total:$}}}},W=class{constructor(t={}){this.backend=e,this.primaryLanguage="unknown",this.searchID=0,this.primary=new M({...t,primary:!0}),this.instances=[this.primary],this.init(t?.language)}async options(e){await this.primary.options(e)}async init(e){if(document?.querySelector){const e=document.querySelector("html")?.getAttribute("lang")||"unknown";this.primaryLanguage=e.toLocaleLowerCase()}await this.primary.init(e||this.primaryLanguage,{load_wasm:!0})}async mergeIndex(e,t={}){if(this.primary.basePath.startsWith(e))return void console.warn(`Skipping mergeIndex ${e} that appears to be the same as the primary index (${this.primary.basePath})`);let n=new M({primary:!1,basePath:e});for(this.instances.push(n);null===this.primary.wasm;)await I(50);await n.init(t.language||this.primaryLanguage,{load_wasm:!1}),delete t.language,await n.options(t)}mergeFilters(e){const t={};for(const n of e)for(const[e,a]of Object.entries(n))if(t[e]){const n=t[e];for(const[e,t]of Object.entries(a))n[e]=(n[e]||0)+t}else t[e]=a;return t}async filters(){let e=await Promise.all(this.instances.map((e=>e.filters())));return this.mergeFilters(e)}async preload(e,t={}){await Promise.all(this.instances.map((n=>n.preload(e,t))))}async debouncedSearch(e,t,n){const a=++this.searchID;if(this.preload(e,t),await I(n),a!==this.searchID)return null;const r=await this.search(e,t);return a!==this.searchID?null:r}async search(e,t={}){let n=await Promise.all(this.instances.map((n=>n.search(e,t))));const a=this.mergeFilters(n.map((e=>e.filters))),r=this.mergeFilters(n.map((e=>e.totalFilters))),i=n.map((e=>e.results)).flat().sort(((e,t)=>t.score-e.score)),s=n.map((e=>e.timings));return{results:i,unfilteredResultCount:n.reduce(((e,t)=>e+t.unfilteredResultCount),0),filters:a,totalFilters:r,timings:s}}},D=void 0,R=void 0,j=()=>{D||(D=new W(R??{}))},C=async e=>{D?await D.options(e):R=e},T=async()=>{j()},q=async()=>{D=void 0,R=void 0},N=async(e,t)=>(j(),await D.mergeIndex(e,t)),O=async(e,t)=>(j(),await D.search(e,t)),B=async(e,t,n=300)=>(j(),await D.debouncedSearch(e,t,n)),J=async(e,t)=>(j(),await D.preload(e,t)),G=async()=>(j(),await D.filters());export{B as debouncedSearch,q as destroy,G as filters,T as init,N as mergeIndex,C as options,J as preload,O as search}; |