@electric-sql/pglite/dist/worker/index.cjs

PGlite is a WASM Postgres build packaged into a TypeScript client library that enables you to run Postgres in the browser, Node.js and Bun, with no need to install any other dependencies. It is only 3.7mb gzipped.

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of a worker`),y.init&&await y.init(),y.close&&a(this,ce).push(y.close)}}await a(this,K);let{extensions:n,...i}=t;a(this,D).postMessage({type:"init",options:i}),await a(this,J);let s=`pglite-tab-close:${a(this,v)}`;d(this,X,await Re(s));let c=`pglite-broadcast:${a(this,Y)}`;d(this,U,new BroadcastChannel(c));let u=`pglite-tab:${a(this,v)}`;d(this,M,new BroadcastChannel(u)),a(this,U).addEventListener("message",async l=>{l.data.type==="leader-here"?(d(this,O,!1),a(this,S).dispatchEvent(new Event("leader-change")),o(this,g,ie).call(this)):l.data.type==="notify"&&o(this,g,Ge).call(this,l.data.channel,l.data.payload)}),a(this,M).addEventListener("message",async l=>{l.data.type==="connected"&&(d(this,O,!0),a(this,S).dispatchEvent(new Event("connected")),d(this,$,await o(this,g,E).call(this,"getDebugLevel")),d(this,j,!0))}),a(this,D).addEventListener("message",async l=>{l.data.type==="leader-now"&&(d(this,H,!0),a(this,S).dispatchEvent(new Event("leader-change")))}),o(this,g,ie).call(this),this._initArrayTypes()},ie=async function(){a(this,O)||(a(this,U).postMessage({type:"tab-here",id:a(this,v)}),setTimeout(()=>o(this,g,ie).call(this),16))},E=async function(t,...n){let i=Pe(),s={type:"rpc-call",callId:i,method:t,args:n};return a(this,M).postMessage(s),await new Promise((c,u)=>{let l=A=>{if(A.data.callId!==i)return;y();let R=A.data;if(R.type==="rpc-return")c(R.result);else if(R.type==="rpc-error"){let Be=new Error(R.error.message);Object.assign(Be,R.error),u(Be)}else u(new Error("Invalid message"))},m=()=>{y(),u(new oe)},y=()=>{a(this,M).removeEventListener("message",l),a(this,S).removeEventListener("leader-change",m)};a(this,S).addEventListener("leader-change",m),a(this,M).addEventListener("message",l)})},Ge=function(t,n){let i=a(this,I).get(t);if(i)for(let s of i)queueMicrotask(()=>s(n));for(let s of a(this,N))queueMicrotask(()=>s(t,n))};var Te=Ee;async function Ft({init:e}){postMessage({type:"here"});let r=await new Promise(m=>{addEventListener("message",y=>{y.data.type==="init"&&m(y.data.options)},{once:!0})}),t=r.id??`${x}:${r.dataDir??""}`;postMessage({type:"ready",id:t});let n=`pglite-election-lock:${t}`,i=`pglite-broadcast:${t}`,s=new BroadcastChannel(i),c=new Set;await Re(n);let u=e(r);s.onmessage=async m=>{let y=m.data;switch(y.type){case"tab-here":Gt(y.id,await u,c);break}},s.postMessage({type:"leader-here",id:t}),postMessage({type:"leader-now"}),(await u).onNotification((m,y)=>{s.postMessage({type:"notify",channel:m,payload:y})})}function Gt(e,r,t){if(t.has(e))return;t.add(e);let n=`pglite-tab:${e}`,i=`pglite-tab-close:${e}`,s=new BroadcastChannel(n);navigator.locks.request(i,()=>new Promise(u=>{s.close(),t.delete(e),u()}));let c=Vt(e,r);s.addEventListener("message",async u=>{let l=u.data;switch(l.type){case"rpc-call":{await r.waitReady;let{callId:m,method:y,args:A}=l;try{let R=await c[y](...A);s.postMessage({type:"rpc-return",callId:m,result:R})}catch(R){console.error(R),s.postMessage({type:"rpc-error",callId:m,error:{message:R.message}})}break}}}),s.postMessage({type:"connected"})}function Vt(e,r){let t=null,n=null,i=`pglite-tab-close:${e}`;return Re(i).then(()=>{n&&r.exec("ROLLBACK"),t?.(),n?.()}),{async getDebugLevel(){return r.debug},async close(){await r.close()},async execProtocol(s){let{messages:c,data:u}=await r.execProtocol(s);if(u.byteLength!==u.buffer.byteLength){let l=new ArrayBuffer(u.byteLength),m=new Uint8Array(l);return m.set(u),{messages:c,data:m}}else return{messages:c,data:u}},async execProtocolRaw(s){let c=await r.execProtocolRaw(s);if(c.byteLength!==c.buffer.byteLength){let u=new ArrayBuffer(c.byteLength),l=new Uint8Array(u);return l.set(c),l}else return c},async dumpDataDir(){return await r.dumpDataDir()},async syncToFs(){return await r.syncToFs()},async _handleBlob(s){return await r._handleBlob(s)},async _getWrittenBlob(){return await r._getWrittenBlob()},async _cleanupBlob(){return await r._cleanupBlob()},async _checkReady(){return await r._checkReady()},async _acquireQueryLock(){return new Promise(s=>{r._runExclusiveQuery(()=>new Promise(c=>{t=c,s()}))})},async _releaseQueryLock(){t?.(),t=null},async _acquireTransactionLock(){return new Promise(s=>{r._runExclusiveTransaction(()=>new Promise(c=>{n=c,s()}))})},async _releaseTransactionLock(){n?.(),n=null}}}var oe=class extends Error{constructor(){super("Leader changed, pending operation in indeterminate state")}};async function Re(e){let r;return await new Promise(t=>{navigator.locks.request(e,()=>new Promise(n=>{r=n,t()}))}),r}0&&(module.exports={LeaderChangedError,PGliteWorker,worker});
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