@builder.io/qwik/dist/qwik-prefetch.js

An Open-Source sub-framework designed with a focus on server-side-rendering, lazy-loading, and styling/animation.

(()=>{const t=Number.MAX_SAFE_INTEGER>>>1;function n(n,i){const[o,s]=c(i),a=n.t.find((t=>o===t.i));if(a)return n.o("intercepting",i.pathname),e(n,a,[s],t).then((()=>function(t,n){const e=t.u.find((t=>t.l.pathname===n.pathname));return e?e.$.then((t=>t.clone())):(t.o("CACHE HIT",n.pathname),t.h(n))}(n,i)))}async function e(n,e,o,c){const a=new Map;o.forEach((t=>s(e,a,t,c))),await Promise.all(Array.from(a.entries()).map((([i,o])=>async function(n,e,i){let o=n.u.find((t=>t.l.pathname===e.pathname));const s=i>=t?"direct":"prefetch";if(o){const t=o.p?"fetching":"waiting";o.m<i?(n.o("queue update priority",t,e.pathname),o.m=i):n.o("already in queue",s,t,e.pathname)}else await n.h(e)||(n.o("enqueue",s,e.pathname),o={m:i,l:e,v:null,$:null,p:!1},o.$=new Promise((t=>o.v=t)),n.u.push(o));return o}(n,new URL(e.i+i,n.l.origin),o)))),i(n)}function i(n){n.u.sort(o);let e=0;for(const o of n.u)if(o.p)e++;else if(n.C()&&(e<n.T||o.m>=t)){o.p=!0,e++;const s=o.m>=t?"FETCH (CACHE MISS)":"FETCH";n.o(s,o.l.pathname),n.H(o.l).then((async t=>{o.v(t),200===t.status&&(n.o("CACHED",o.l.pathname),await n.R(o.l,t.clone()))})).finally((()=>{n.o("FETCH DONE",o.l.pathname),n.u.splice(n.u.indexOf(o),1),i(n)}))}}function o(t,n){return n.m-t.m}function s(t,n,e,i,o=!0){if(!n.has(e)){if(n.set(e,i),!t.U){let n,e;t.U=new Map;for(let i=0;i<t.L.length;i++){const o=t.L[i];if("string"==typeof o)n={S:[],A:[]},e=!0,t.U.set(o,n);else if(-1===o)e=!1;else{const i=t.L[o];e?n.S.push(i):n.A.push(i)}}}const c=t.U.get(e);if(!c)return n;for(const e of c.S)s(t,n,e,i);if(o){i--;for(const e of c.A)s(t,n,e,i,!1)}}return n}function c(t){const n=new URL(t).pathname,e=n.lastIndexOf("/");return[n.substring(0,e+1),n.substring(e+1)]}const a=(...t)=>{console.log("⚙️ Prefetch SW:",...t)};async function r(t,n,e,i){const o=t.t.findIndex((t=>t.i===n));if(-1!==o&&t.t.splice(o,1),t.o("adding base:",n),t.t.push({i:n,L:e,U:void 0}),i){const i=new Set(e.filter((t=>"string"==typeof t))),o=await t.C();if(o)for(const e of await o.keys()){const[s,a]=c(new URL(e.url)),r=[];s!==n||i.has(a)||(t.o("deleting",e.url),r.push(o.delete(e))),await Promise.all(r)}}}function u(t,n,i){let o=t.t.find((t=>t.L.includes(i[0].replace("./",""))));o||(o=t.t.find((t=>n===t.i))),o?e(t,o,i,0):console.error(`Base path not found: ${n}, ignoring prefetch.`)}function f(t){if(!t.N&&t.B.length){const e=t.B.shift();t.N=(async(t,e)=>{const i=e[0];t.o("received message:",i,e[1],e.slice(2)),"graph"===i?await r(t,e[1],e.slice(2),!0):"graph-url"===i?await async function(t,e,i){await r(t,e,[],!1);const o=await n(t,new URL(e+i,t.l.origin));if(o&&200===o.status){const n=await o.json();n.push(i),await r(t,e,n,!0)}}(t,e[1],e[2]):"prefetch"===i?await u(t,e[1],e.slice(2)):"prefetch-all"===i?await function(t,n){const e=t.t.find((t=>n===t.i));e?u(t,n,e.L.filter((t=>"string"==typeof t))):console.error(`Base path not found: ${n}, ignoring prefetch.`)}(t,e[1]):"ping"===i?a("ping"):"verbose"===i?(t.o=a)("mode: verbose"):console.error("UNKNOWN MESSAGE:",e)})(t,e).then((()=>{t.N=null,f(t)}))}}class l{constructor(t,n,e=4,i=null,o=null,s=[],c=[],a=[]){this.H=t,this.l=n,this.T=e,this.F=i,this.N=o,this.u=s,this.t=c,this.B=a}C(){return this.F}async R(t,n){const e=await this.C();return null==e?void 0:e.put(t,n)}async h(t){const n=await this.C();return null==n?void 0:n.match(t)}o(){}}(t=>{const e=(i=t.fetch.bind(t),o=new URL(t.location.href),new l(i,o));var i,o;e.C=()=>e.F?e.F:(clearTimeout(void 0),setTimeout((()=>{e.F=null}),5e3),t.caches.open("QwikBundles")),t.addEventListener("fetch",(t=>{const i=t.request;if("GET"===i.method){const o=n(e,new URL(i.url));o&&t.respondWith(o)}})),t.addEventListener("message",(t=>{e.B.push(t.data),f(e)})),t.addEventListener("install",(()=>{t.skipWaiting()})),t.addEventListener("activate",(n=>{e.C=()=>e.F?e.F:(clearTimeout(void 0),setTimeout((()=>{e.F=null}),5e3),t.caches.open("QwikBundles")),n.waitUntil(t.clients.claim())}))})(globalThis)})();