@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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c(this,g,E).call(this,"execProtocolRaw",t)}async execProtocol(t){return await c(this,g,E).call(this,"execProtocol",t)}async syncToFs(){await c(this,g,E).call(this,"syncToFs")}async listen(t,n,i){let s=Fe(t),o=i??this;return a(this,I).has(s)||a(this,I).set(s,new Set),a(this,I).get(s).add(n),await o.exec(`LISTEN ${t}`),async u=>{await this.unlisten(s,n,u)}}async unlisten(t,n,i){await this.waitReady;let s=i??this;n?a(this,I).get(t)?.delete(n):a(this,I).delete(t),a(this,I).get(t)?.size===0&&await s.exec(`UNLISTEN ${t}`)}onNotification(t){return a(this,_).add(t),()=>{a(this,_).delete(t)}}offNotification(t){a(this,_).delete(t)}async dumpDataDir(t){return await c(this,g,E).call(this,"dumpDataDir",t)}onLeaderChange(t){return a(this,B).addEventListener("leader-change",t),()=>{a(this,B).removeEventListener("leader-change",t)}}offLeaderChange(t){a(this,B).removeEventListener("leader-change",t)}async _handleBlob(t){await c(this,g,E).call(this,"_handleBlob",t)}async _getWrittenBlob(){return await 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y.setup(this,{},!0);if(m.emscriptenOpts&&console.warn(`PGlite extension ${l} returned emscriptenOpts, these are not supported on the client side of a worker`),m.namespaceObj){let x=this;x[l]=m.namespaceObj}m.bundlePath&&console.warn(`PGlite extension ${l} returned bundlePath, this is not supported on the client side of a worker`),m.init&&await m.init(),m.close&&a(this,ue).push(m.close)}}await a(this,J);let{extensions:n,...i}=t;a(this,S).postMessage({type:"init",options:i}),await a(this,X);let s=`pglite-tab-close:${a(this,O)}`;d(this,Z,await De(s));let o=`pglite-broadcast:${a(this,K)}`;d(this,N,new BroadcastChannel(o));let u=`pglite-tab:${a(this,O)}`;d(this,M,new BroadcastChannel(u)),a(this,N).addEventListener("message",async l=>{l.data.type==="leader-here"?(d(this,U,!1),a(this,B).dispatchEvent(new Event("leader-change")),c(this,g,ce).call(this)):l.data.type==="notify"&&c(this,g,Ve).call(this,l.data.channel,l.data.payload)}),a(this,M).addEventListener("message",async l=>{l.data.type==="connected"&&(d(this,U,!0),a(this,B).dispatchEvent(new Event("connected")),d(this,j,await c(this,g,E).call(this,"getDebugLevel")),d(this,H,!0))}),a(this,S).addEventListener("message",async l=>{l.data.type==="leader-now"&&(d(this,Y,!0),a(this,B).dispatchEvent(new Event("leader-change")))}),c(this,g,ce).call(this),this._initArrayTypes()},ce=async function(){a(this,U)||(a(this,N).postMessage({type:"tab-here",id:a(this,O)}),setTimeout(()=>c(this,g,ce).call(this),16))},E=async function(t,...n){let i=Re(),s={type:"rpc-call",callId:i,method:t,args:n};return a(this,M).postMessage(s),await new Promise((o,u)=>{let l=x=>{if(x.data.callId!==i)return;m();let R=x.data;if(R.type==="rpc-return")o(R.result);else if(R.type==="rpc-error"){let Se=new Error(R.error.message);Object.assign(Se,R.error),u(Se)}else u(new Error("Invalid message"))},y=()=>{m(),u(new le)},m=()=>{a(this,M).removeEventListener("message",l),a(this,B).removeEventListener("leader-change",y)};a(this,B).addEventListener("leader-change",y),a(this,M).addEventListener("message",l)})},Ve=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,_))queueMicrotask(()=>s(t,n))};var Ee=Be;async function Qt({init:e}){postMessage({type:"here"});let r=await new Promise(y=>{addEventListener("message",m=>{m.data.type==="init"&&y(m.data.options)},{once:!0})}),t=r.id??`${T}:${r.dataDir??""}`;postMessage({type:"ready",id:t});let n=`pglite-election-lock:${t}`,i=`pglite-broadcast:${t}`,s=new BroadcastChannel(i),o=new Set;await De(n);let u=e(r);s.onmessage=async y=>{let m=y.data;switch(m.type){case"tab-here":Vt(m.id,await u,o);break}},s.postMessage({type:"leader-here",id:t}),postMessage({type:"leader-now"}),(await u).onNotification((y,m)=>{s.postMessage({type:"notify",channel:y,payload:m})})}function Vt(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 o=qt(e,r);s.addEventListener("message",async u=>{let l=u.data;switch(l.type){case"rpc-call":{await r.waitReady;let{callId:y,method:m,args:x}=l;try{let R=await o[m](...x);s.postMessage({type:"rpc-return",callId:y,result:R})}catch(R){console.error(R),s.postMessage({type:"rpc-error",callId:y,error:{message:R.message}})}break}}}),s.postMessage({type:"connected"})}function qt(e,r){let t=null,n=null,i=`pglite-tab-close:${e}`;return De(i).then(()=>{n&&r.exec("ROLLBACK"),t?.(),n?.()}),{async getDebugLevel(){return r.debug},async close(){await r.close()},async execProtocol(s){let{messages:o,data:u}=await r.execProtocol(s);if(u.byteLength!==u.buffer.byteLength){let l=new ArrayBuffer(u.byteLength),y=new Uint8Array(l);return y.set(u),{messages:o,data:y}}else return{messages:o,data:u}},async execProtocolRaw(s,o={}){let u=await r.execProtocolRaw(s,o);if(u.byteLength!==u.buffer.byteLength){let l=new ArrayBuffer(u.byteLength),y=new Uint8Array(l);return y.set(u),y}else return u},async dumpDataDir(s){return await r.dumpDataDir(s)},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(o=>{t=o,s()}))})},async _releaseQueryLock(){t?.(),t=null},async _acquireTransactionLock(){return new Promise(s=>{r._runExclusiveTransaction(()=>new Promise(o=>{n=o,s()}))})},async _releaseTransactionLock(){n?.(),n=null}}}var le=class extends Error{constructor(){super("Leader changed, pending operation in indeterminate state")}};async function De(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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