assets/index-BIxJTxbb.js

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Map),this.lastCheckpoint=0,this.checkpointInterval=1e3*60,this.poolCounter=0,y(this,k,new Set),this.root=t,this.initialPoolSize=a||1e3,this.maintainedPoolSize=i||100,this.readyPromise=c(this,h,C).call(this)}static async create(t){let a=new V(t);return await a.readyPromise,a}get ready(){return l(this,R)}async maintainPool(t){t=t||this.maintainedPoolSize;let a=t-this.state.pool.length,i=[];for(let e=0;e<a;e++)i.push(new Promise(async r=>{++this.poolCounter;let s=`${(Date.now()-1704063600).toString(16).padStart(8,"0")}-${this.poolCounter.toString(16).padStart(8,"0")}`,n=await l(this,I).getFileHandle(s,{create:!0}),o=await n.createSyncAccessHandle();l(this,O).set(s,n),l(this,S).set(s,o),c(this,h,M).call(this,{opp:"createPoolFile",args:[s]}),this.state.pool.push(s),r()}));for(let e=0;e>a;e--)i.push(new Promise(async r=>{var o;let s=this.state.pool.pop();c(this,h,M).call(this,{opp:"deletePoolFile",args:[s]});let n=l(this,O).get(s);(o=l(this,S).get(s))==null||o.close(),await 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P=p.children[o];l(this,S).get(P.backingFilename).truncate(0),this.state.pool.push(P.backingFilename)}p.children[o]=s.children[r],delete s.children[r]}rmdir(t){c(this,h,N).call(this,{opp:"rmdir",args:[t]},()=>{this._rmdirState(t)})}_rmdirState(t){let a=c(this,h,g).call(this,t),i=a.pop(),e=c(this,h,f).call(this,a.join("/"));if(!Object.prototype.hasOwnProperty.call(e.children,i))throw new w("ENOENT","No such file or directory");let r=e.children[i];if(r.type!=="directory")throw new w("ENOTDIR","Not a directory");if(Object.keys(r.children).length>0)throw new w("ENOTEMPTY","Directory not empty");delete e.children[i]}truncate(t,a=0){let i=c(this,h,f).call(this,t);if(i.type!=="file")throw new w("EISDIR","Is a directory");let e=l(this,S).get(i.backingFilename);if(!e)throw new w("ENOENT","No such file or directory");e.truncate(a),l(this,k).add(e)}unlink(t){c(this,h,N).call(this,{opp:"unlink",args:[t]},()=>{this._unlinkState(t,!0)})}_unlinkState(t,a=!1){let i=c(this,h,g).call(this,t),e=i.pop(),r=c(this,h,f).call(this,i.join("/"));if(!Object.prototype.hasOwnProperty.call(r.children,e))throw new w("ENOENT","No such file or directory");let s=r.children[e];if(s.type!=="file")throw new w("EISDIR","Is a directory");if(delete r.children[e],a){let n=l(this,S).get(s.backingFilename);n==null||n.truncate(0),l(this,k).add(n),l(this,F).has(t)&&(l(this,D).delete(l(this,F).get(t)),l(this,F).delete(t))}this.state.pool.push(s.backingFilename)}utimes(t,a,i){c(this,h,N).call(this,{opp:"utimes",args:[t,a,i]},()=>{this._utimesState(t,a,i)})}_utimesState(t,a,i){let e=c(this,h,f).call(this,t);e.lastModified=i}writeFile(t,a,i){let e=c(this,h,g).call(this,t),r=e.pop(),s=c(this,h,f).call(this,e.join("/"));if(Object.prototype.hasOwnProperty.call(s.children,r)){let p=s.children[r];p.lastModified=Date.now(),c(this,h,M).call(this,{opp:"setLastModified",args:[t,p.lastModified]})}else{if(this.state.pool.length===0)throw new Error("No more file handles available in the pool");let p={type:"file",lastModified:Date.now(),mode:(i==null?void 0:i.mode)||H.FILE,backingFilename:this.state.pool.pop()};s.children[r]=p,c(this,h,M).call(this,{opp:"createFileNode",args:[t,p]})}let n=s.children[r],o=l(this,S).get(n.backingFilename);a.length>0&&(o.write(typeof a=="string"?new TextEncoder().encode(a):new Int8Array(a),{at:0}),t.startsWith("/pg_wal")&&l(this,k).add(o))}_createFileNodeState(t,a){let i=c(this,h,g).call(this,t),e=i.pop(),r=c(this,h,f).call(this,i.join("/"));r.children[e]=a;let s=this.state.pool.indexOf(a.backingFilename);return s>-1&&this.state.pool.splice(s,1),a}_setLastModifiedState(t,a){let i=c(this,h,f).call(this,t);i.lastModified=a}write(t,a,i,e,r){let s=c(this,h,_).call(this,t),n=c(this,h,f).call(this,s);if(n.type!=="file")throw new w("EISDIR","Is a directory");let o=l(this,S).get(n.backingFilename);if(!o)throw new w("EBADF","Bad file descriptor");let p=o.write(new Int8Array(a,i,e),{at:r});return s.startsWith("/pg_wal")&&l(this,k).add(o),p}};R=new WeakMap,T=new WeakMap,b=new WeakMap,I=new WeakMap,j=new WeakMap,u=new WeakMap,O=new WeakMap,S=new WeakMap,v=new WeakMap,D=new WeakMap,F=new WeakMap,k=new WeakMap,h=new WeakSet,C=async function(){E(this,T,await navigator.storage.getDirectory()),E(this,b,await c(this,h,x).call(this,this.root,{create:!0})),E(this,I,await c(this,h,x).call(this,Q,{from:l(this,b),create:!0})),E(this,j,await l(this,b).getFileHandle(G,{create:!0})),E(this,u,await l(this,j).createSyncAccessHandle());let d=new ArrayBuffer(l(this,u).getSize());l(this,u).read(d,{at:0});let t,a=new TextDecoder().decode(d).split(`
`),i=!1;try{t=JSON.parse(a[0])}catch{t={root:{type:"directory",lastModified:Date.now(),mode:H.DIR,children:{}},pool:[]},l(this,u).truncate(0),l(this,u).write(new TextEncoder().encode(JSON.stringify(t)),{at:0}),i=!0}this.state=t;let e=a.slice(1).filter(Boolean).map(o=>JSON.parse(o));for(let o of e){let p=`_${o.opp}State`;if(typeof this[p]=="function")try{this[p].bind(this)(...o.args)}catch(P){console.warn("Error applying OPFS AHP WAL entry",o,P)}}let r=[],s=async o=>{if(o.type==="file")try{let p=await l(this,I).getFileHandle(o.backingFilename),P=await p.createSyncAccessHandle();l(this,O).set(o.backingFilename,p),l(this,S).set(o.backingFilename,P)}catch(p){console.error("Error opening file handle for node",o,p)}else for(let p of Object.values(o.children))r.push(s(p))};await s(this.state.root);let n=[];for(let o of this.state.pool)n.push(new Promise(async p=>{l(this,O).has(o)&&console.warn("File handle already exists for pool file",o);let P=await l(this,I).getFileHandle(o),X=await P.createSyncAccessHandle();l(this,O).set(o,P),l(this,S).set(o,X),p()}));await Promise.all([...r,...n]),await this.maintainPool(i?this.initialPoolSize:this.maintainedPoolSize),E(this,R,!0)},N=function(d,t){let a=c(this,h,M).call(this,d);try{t()}catch(i){throw l(this,u).truncate(a),i}},M=function(d){let t=JSON.stringify(d),a=new TextEncoder().encode(`
${t}`),i=l(this,u).getSize();return l(this,u).write(a,{at:i}),l(this,k).add(l(this,u)),i},g=function(d){return d.split("/").filter(Boolean)},f=function(d,t){let a=c(this,h,g).call(this,d),i=t||this.state.root;for(let e of a){if(i.type!=="directory")throw new w("ENOTDIR","Not a directory");if(!Object.prototype.hasOwnProperty.call(i.children,e))throw new w("ENOENT","No such file or directory");i=i.children[e]}return i},_=function(d){let t=l(this,D).get(d);if(!t)throw new w("EBADF","Bad file descriptor");return t},J=function(){let d=++L(this,v)._;for(;l(this,D).has(d);)L(this,v)._++;return d},x=async function(d,t){let a=c(this,h,g).call(this,d),i=(t==null?void 0:t.from)||l(this,T);for(let e of a)i=await i.getDirectoryHandle(e,{create:t==null?void 0:t.create});return i};var Z=U,z,A,et=class extends K{constructor(d,{initialPoolSize:t,maintainedPoolSize:a}={}){super(d),y(this,z),y(this,A),E(this,z,t??1e3),E(this,A,a??100)}async emscriptenOpts(d){return this.opfsAhp=await Z.create({root:this.dataDir,initialPoolSize:l(this,z),maintainedPoolSize:l(this,A)}),{...d,preRun:[...d.preRun||[],t=>{let a=q(t,this.opfsAhp);t.FS.mkdir(B),t.FS.mount(a,{},B)}]}}async syncToFs(d,t=!1){var a,i,e;await((a=this.opfsAhp)==null?void 0:a.maybeCheckpointState()),await((i=this.opfsAhp)==null?void 0:i.maintainPool()),t||((e=this.opfsAhp)==null||e.flush())}async dumpTar(d,t){return Y(d,t)}async close(d){var t;(t=this.opfsAhp)==null||t.exit(),d.quit()}};z=new WeakMap,A=new WeakMap;export{et as OpfsAhpFS};