| 1 | this.workbox=this.workbox||{},this.workbox.expiration=function(t,e,s,i,a,n,h){"use strict";try{self["workbox:expiration:5.1.4"]&&_()}catch(t){}const r=t=>{const e=new URL(t,location.href);return e.hash="",e.href};class c{constructor(t){this.t=t,this.s=new i.DBWrapper("workbox-expiration",1,{onupgradeneeded:t=>this.i(t)})}i(t){const e=t.target.result.createObjectStore("cache-entries",{keyPath:"id"});e.createIndex("cacheName","cacheName",{unique:!1}),e.createIndex("timestamp","timestamp",{unique:!1}),a.deleteDatabase(this.t)}async setTimestamp(t,e){const s={url:t=r(t),timestamp:e,cacheName:this.t,id:this.h(t)};await this.s.put("cache-entries",s)}async getTimestamp(t){return(await this.s.get("cache-entries",this.h(t))).timestamp}async expireEntries(t,e){const s=await this.s.transaction("cache-entries","readwrite",(s,i)=>{const a=s.objectStore("cache-entries").index("timestamp").openCursor(null,"prev"),n=[];let h=0;a.onsuccess=()=>{const s=a.result;if(s){const i=s.value;i.cacheName===this.t&&(t&&i.timestamp<t||e&&h>=e?n.push(s.value):h++),s.continue()}else i(n)}}),i=[];for(const t of s)await this.s.delete("cache-entries",t.id),i.push(t.url);return i}h(t){return this.t+"|"+r(t)}}class o{constructor(t,e={}){this.o=!1,this.u=!1,this.l=e.maxEntries,this.m=e.maxAgeSeconds,this.t=t,this.p=new c(t)}async expireEntries(){if(this.o)return void(this.u=!0);this.o=!0;const t=this.m?Date.now()-1e3*this.m:0,s=await this.p.expireEntries(t,this.l),i=await self.caches.open(this.t);for(const t of s)await i.delete(t);this.o=!1,this.u&&(this.u=!1,e.dontWaitFor(this.expireEntries()))}async updateTimestamp(t){await this.p.setTimestamp(t,Date.now())}async isURLExpired(t){if(this.m){return await this.p.getTimestamp(t)<Date.now()-1e3*this.m}return!1}async delete(){this.u=!1,await this.p.expireEntries(1/0)}}return t.CacheExpiration=o,t.ExpirationPlugin=class{constructor(t={}){this.cachedResponseWillBeUsed=async({event:t,request:s,cacheName:i,cachedResponse:a})=>{if(!a)return null;const n=this.k(a),h=this.D(i);e.dontWaitFor(h.expireEntries());const r=h.updateTimestamp(s.url);if(t)try{t.waitUntil(r)}catch(t){}return n?a:null},this.cacheDidUpdate=async({cacheName:t,request:e})=>{const s=this.D(t);await s.updateTimestamp(e.url),await s.expireEntries()},this.N=t,this.m=t.maxAgeSeconds,this.g=new Map,t.purgeOnQuotaError&&h.registerQuotaErrorCallback(()=>this.deleteCacheAndMetadata())}D(t){if(t===n.cacheNames.getRuntimeName())throw new s.WorkboxError("expire-custom-caches-only");let e=this.g.get(t);return e||(e=new o(t,this.N),this.g.set(t,e)),e}k(t){if(!this.m)return!0;const e=this._(t);if(null===e)return!0;return e>=Date.now()-1e3*this.m}_(t){if(!t.headers.has("date"))return null;const e=t.headers.get("date"),s=new Date(e).getTime();return isNaN(s)?null:s}async deleteCacheAndMetadata(){for(const[t,e]of this.g)await self.caches.delete(t),await e.delete();this.g=new Map}},t}({},workbox.core._private,workbox.core._private,workbox.core._private,workbox.core._private,workbox.core._private,workbox.core);
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