@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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await c(this,f,x).call(this,"execProtocolRaw",r)}async execProtocol(r){return await c(this,f,x).call(this,"execProtocol",r)}async execProtocolStream(r){return await c(this,f,x).call(this,"execProtocolStream",r)}async execProtocolRawStream(r,n){await c(this,f,x).call(this,"execProtocolRawStream",r,n)}async syncToFs(){await c(this,f,x).call(this,"syncToFs")}async listen(r,n,a){let s=H.toPostgresName(r),o=a??this;return i(this,k).has(s)||i(this,k).set(s,new Set),i(this,k).get(s).add(n),await o.exec(`LISTEN ${r}`),async u=>{await this.unlisten(s,n,u)}}async unlisten(r,n,a){await this.waitReady;let s=a??this;n?i(this,k).get(r)?.delete(n):i(this,k).delete(r),i(this,k).get(r)?.size===0&&await s.exec(`UNLISTEN ${r}`)}onNotification(r){return i(this,_).add(r),()=>{i(this,_).delete(r)}}offNotification(r){i(this,_).delete(r)}async dumpDataDir(r){return await c(this,f,x).call(this,"dumpDataDir",r)}onLeaderChange(r){return i(this,B).addEventListener("leader-change",r),()=>{i(this,B).removeEventListener("leader-change",r)}}offLeaderChange(r){i(this,B).removeEventListener("leader-change",r)}async _handleBlob(r){await c(this,f,x).call(this,"_handleBlob",r)}async _getWrittenBlob(){return await c(this,f,x).call(this,"_getWrittenBlob")}async _cleanupBlob(){await c(this,f,x).call(this,"_cleanupBlob")}async _checkReady(){await this.waitReady}async _runExclusiveQuery(r){await c(this,f,x).call(this,"_acquireQueryLock");try{return await r()}finally{await c(this,f,x).call(this,"_releaseQueryLock")}}async _runExclusiveTransaction(r){await c(this,f,x).call(this,"_acquireTransactionLock");try{return await r()}finally{await c(this,f,x).call(this,"_releaseTransactionLock")}}};q=new WeakMap,Y=new WeakMap,K=new WeakMap,z=new WeakMap,J=new WeakMap,B=new WeakMap,v=new WeakMap,U=new WeakMap,D=new WeakMap,X=new WeakMap,Z=new WeakMap,ee=new WeakMap,N=new WeakMap,M=new WeakMap,te=new WeakMap,k=new WeakMap,_=new WeakMap,re=new WeakMap,he=new WeakMap,f=new WeakSet,He=async function(r={}){for(let[l,m]of Object.entries(i(this,re))){if(m instanceof URL)throw new Error("URL extensions are not supported on the client side of a worker");{let y=await m.setup(this,{},!0);if(y.emscriptenOpts&&console.warn(`PGlite extension ${l} returned emscriptenOpts, these are not supported on the client side of a worker`),y.namespaceObj){let T=this;T[l]=y.namespaceObj}y.bundlePath&&console.warn(`PGlite extension ${l} returned bundlePath, this is not supported on the client side of a worker`),y.init&&await y.init(),y.close&&i(this,he).push(y.close)}}await i(this,Z);let{extensions:n,...a}=r;i(this,D).postMessage({type:"init",options:a}),await i(this,ee);let s=`pglite-tab-close:${i(this,v)}`;d(this,te,await De(s));let o=`pglite-broadcast:${i(this,X)}`;d(this,N,new BroadcastChannel(o));let u=`pglite-tab:${i(this,v)}`;d(this,M,new BroadcastChannel(u)),i(this,N).addEventListener("message",async l=>{l.data.type==="leader-here"?(d(this,U,!1),i(this,B).dispatchEvent(new Event("leader-change")),c(this,f,ye).call(this)):l.data.type==="notify"&&c(this,f,Ye).call(this,l.data.channel,l.data.payload)}),i(this,M).addEventListener("message",async l=>{l.data.type==="connected"&&(d(this,U,!0),i(this,B).dispatchEvent(new Event("connected")),d(this,Y,await c(this,f,x).call(this,"getDebugLevel")),d(this,K,!0))}),i(this,D).addEventListener("message",async l=>{l.data.type==="leader-now"&&(d(this,J,!0),i(this,B).dispatchEvent(new Event("leader-change")))}),c(this,f,ye).call(this),this._initArrayTypes()},ye=async function(){i(this,U)||(i(this,N).postMessage({type:"tab-here",id:i(this,v)}),setTimeout(()=>c(this,f,ye).call(this),16))},x=async function(r,...n){let a=H.uuid(),s={type:"rpc-call",callId:a,method:r,args:n};return i(this,M).postMessage(s),await new Promise((o,u)=>{let l=T=>{if(T.data.callId!==a)return;y();let E=T.data;if(E.type==="rpc-return")o(E.result);else if(E.type==="rpc-error"){let Me=new Error(E.error.message);Object.assign(Me,E.error),u(Me)}else u(new Error("Invalid message"))},m=()=>{y(),u(new me)},y=()=>{i(this,M).removeEventListener("message",l),i(this,B).removeEventListener("leader-change",m)};i(this,B).addEventListener("leader-change",m),i(this,M).addEventListener("message",l)})},Ye=function(r,n){let a=i(this,k).get(r);if(a)for(let s of a)queueMicrotask(()=>s(n));for(let s of i(this,_))queueMicrotask(()=>s(r,n))};var Be=ke;async function tr({init:e}){postMessage({type:"here"});let t=await new Promise(m=>{addEventListener("message",y=>{y.data.type==="init"&&m(y.data.options)},{once:!0})}),r=t.id??`${P}:${t.dataDir??""}`;postMessage({type:"ready",id:r});let n=`pglite-election-lock:${r}`,a=`pglite-broadcast:${r}`,s=new BroadcastChannel(a),o=new Set;await De(n);let u=e(t);s.onmessage=async m=>{let y=m.data;switch(y.type){case"tab-here":rr(y.id,await u,o);break}},s.postMessage({type:"leader-here",id:r}),postMessage({type:"leader-now"}),(await u).onNotification((m,y)=>{s.postMessage({type:"notify",channel:m,payload:y})})}function rr(e,t,r){if(r.has(e))return;r.add(e);let n=`pglite-tab:${e}`,a=`pglite-tab-close:${e}`,s=new BroadcastChannel(n);navigator.locks.request(a,()=>new Promise(u=>{s.close(),r.delete(e),u()}));let o=nr(e,t);s.addEventListener("message",async u=>{let l=u.data;switch(l.type){case"rpc-call":{await t.waitReady;let{callId:m,method:y,args:T}=l;try{let E=await o[y](...T);s.postMessage({type:"rpc-return",callId:m,result:E})}catch(E){console.error(E),s.postMessage({type:"rpc-error",callId:m,error:{message:E.message}})}break}}}),s.postMessage({type:"connected"})}function nr(e,t){let r=null,n=null,a=`pglite-tab-close:${e}`;return De(a).then(()=>{n&&t.exec("ROLLBACK"),r?.(),n?.()}),{async getDebugLevel(){return t.debug},async close(){await t.close()},async execProtocol(s){let{messages:o,data:u}=await t.execProtocol(s);if(u.byteLength!==u.buffer.byteLength){let l=new ArrayBuffer(u.byteLength),m=new Uint8Array(l);return m.set(u),{messages:o,data:m}}else return{messages:o,data:u}},async execProtocolStream(s){return await t.execProtocolStream(s)},async execProtocolRawStream(s,o){return await t.execProtocolRawStream(s,o)},async execProtocolRaw(s){let o=await t.execProtocolRaw(s);if(o.byteLength!==o.buffer.byteLength){let u=new ArrayBuffer(o.byteLength),l=new Uint8Array(u);return l.set(o),l}else return o},async dumpDataDir(s){return await t.dumpDataDir(s)},async syncToFs(){return await t.syncToFs()},async _handleBlob(s){return await t._handleBlob(s)},async _getWrittenBlob(){return await t._getWrittenBlob()},async _cleanupBlob(){return await t._cleanupBlob()},async _checkReady(){return await t._checkReady()},async _acquireQueryLock(){return new Promise(s=>{t._runExclusiveQuery(()=>new Promise(o=>{r=o,s()}))})},async _releaseQueryLock(){r?.(),r=null},async _acquireTransactionLock(){return new Promise(s=>{t._runExclusiveTransaction(()=>new Promise(o=>{n=o,s()}))})},async _releaseTransactionLock(){n?.(),n=null}}}var me=class extends Error{constructor(){super("Leader changed, pending operation in indeterminate state")}};async function De(e){let t;return await new Promise(r=>{navigator.locks.request(e,()=>new Promise(n=>{t=n,r()}))}),t}0&&(module.exports={LeaderChangedError,PGliteWorker,worker});
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