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s=BigInt(t.xmax),n=BigInt(t.database_lsn);this.activeSnapshots.set(t.snapshot_mark,{xmin:BigInt(t.xmin),xmax:s,xip_list:t.xip_list.map(BigInt),keys:e,databaseLsn:n}),p(this,M,ks).call(this,this.xmaxSnapshots,s,t.snapshot_mark),p(this,M,ks).call(this,this.snapshotsByDatabaseLsn,n,t.snapshot_mark)}removeSnapshot(t){p(this,M,Ms).call(this,t),this.activeSnapshots.delete(t)}shouldRejectMessage(t){let e=t.headers.txids||[];if(e.length===0)return!1;for(let[s,n]of this.xmaxSnapshots.entries())if(p(this,M,Ds).call(this,e,s)>=s)for(let o of n)this.removeSnapshot(o);return[...this.activeSnapshots.values()].some(s=>{if(!s.keys.has(t.key))return!1;let n=p(this,M,Ds).call(this,e,s.xmax);return fs(n,s)})}lastSeenUpdate(t){for(let[e,s]of this.snapshotsByDatabaseLsn.entries())if(e<=t)for(let n of s)this.removeSnapshot(n)}};M=new WeakSet,Ms=function(t){let e=this.activeSnapshots.get(t);e&&(p(this,M,Us).call(this,this.xmaxSnapshots,e.xmax,t),p(this,M,Us).call(this,this.snapshotsByDatabaseLsn,e.databaseLsn,t))},ks=function(t,e,s){let n=t.get(e);n?n.add(s):t.set(e,new Set([s]))},Us=function(t,e,s){let n=t.get(e);n&&(n.delete(s),n.size===0&&t.delete(e))},Er=function(t,e){return e+BigInt.asIntN(32,BigInt(t)-e)},Ds=function(t,e){return t.reduce((s,n)=>{let i=p(this,M,Er).call(this,n,e);return i>s?i:s},BigInt(-1))};var ht=class{get isUpToDate(){return!1}get staleCacheBuster(){}get staleCacheRetryCount(){return 0}get sseFallbackToLongPolling(){return!1}get consecutiveShortSseConnections(){return 0}get replayCursor(){}canEnterReplayMode(){return!1}enterReplayMode(t){return this}shouldUseSse(t){return!1}handleSseConnectionClosed(t){return{state:this,fellBackToLongPolling:!1,wasShortConnection:!1}}applyUrlParams(t,e){}handleResponseMetadata(t){return{action:"ignored",state:this}}handleMessageBatch(t){return{state:this,suppressUpToDate:!1,becameUpToDate:!1}}pause(){return new pt(this)}toErrorState(t){return new Ie(this,t)}markMustRefetch(t){return new Wt({handle:t,offset:"-1",liveCacheBuster:"",lastSyncedAt:this.lastSyncedAt,schema:void 0})}},x,ut=class extends ht{constructor(e){super();m(this,x);l(this,x,e)}get handle(){return a(this,x).handle}get offset(){return a(this,x).offset}get schema(){return a(this,x).schema}get liveCacheBuster(){return a(this,x).liveCacheBuster}get lastSyncedAt(){return a(this,x).lastSyncedAt}get currentFields(){return a(this,x)}applyUrlParams(e,s){e.searchParams.set(de,a(this,x).offset),a(this,x).handle&&e.searchParams.set(ue,a(this,x).handle)}parseResponseFields(e){var u,d,g;let s=e.responseHandle,n=s&&s!==e.expiredHandle?s:a(this,x).handle,i=(u=e.responseOffset)!=null?u:a(this,x).offset,o=(d=e.responseCursor)!=null?d:a(this,x).liveCacheBuster,c=(g=a(this,x).schema)!=null?g:e.responseSchema,h=e.status===204?e.now:a(this,x).lastSyncedAt;return{handle:n,offset:i,schema:c,liveCacheBuster:o,lastSyncedAt:h}}checkStaleResponse(e){let s=e.responseHandle,n=e.expiredHandle;if(!s||s!==n)return null;let i=this.staleCacheRetryCount+1;return{action:"stale-retry",state:new Ls(_(R({},this.currentFields),{staleCacheBuster:e.createCacheBuster(),staleCacheRetryCount:i})),exceededMaxRetries:i>e.maxStaleCacheRetries}}handleMessageBatch(e){if(!e.hasMessages||!e.hasUpToDateMessage)return{state:this,suppressUpToDate:!1,becameUpToDate:!1};let s=a(this,x).offset;e.isSse&&e.upToDateOffset&&(s=e.upToDateOffset);let n={handle:a(this,x).handle,offset:s,schema:a(this,x).schema,liveCacheBuster:a(this,x).liveCacheBuster,lastSyncedAt:e.now};return this.onUpToDate(n,e)}onUpToDate(e,s){return{state:new ft(e),suppressUpToDate:!1,becameUpToDate:!0}}};x=new WeakMap;var dt=class extends ut{handleResponseMetadata(t){let e=this.checkStaleResponse(t);if(e)return e;let s=this.parseResponseFields(t);return t.status===204?{action:"accepted",state:new ft(s,{sseFallbackToLongPolling:!0})}:{action:"accepted",state:new Os(s)}}canEnterReplayMode(){return!0}enterReplayMode(t){return new Bs(_(R({},this.currentFields),{replayCursor:t}))}},Wt=class r extends dt{constructor(e){super(e);this.kind="initial"}withHandle(e){return new r(_(R({},this.currentFields),{handle:e}))}},Os=class r extends dt{constructor(e){super(e);this.kind="syncing"}withHandle(e){return new r(_(R({},this.currentFields),{handle:e}))}},me,He,Hs=class Hs extends dt{constructor(e){let o=e,{staleCacheBuster:s,staleCacheRetryCount:n}=o,i=Je(o,["staleCacheBuster","staleCacheRetryCount"]);super(i);this.kind="stale-retry";m(this,me);m(this,He);l(this,me,s),l(this,He,n)}get staleCacheBuster(){return a(this,me)}get staleCacheRetryCount(){return a(this,He)}canEnterReplayMode(){return!1}withHandle(e){return new Hs(_(R({},this.currentFields),{handle:e,staleCacheBuster:a(this,me),staleCacheRetryCount:a(this,He)}))}applyUrlParams(e,s){super.applyUrlParams(e,s),e.searchParams.set(fe,a(this,me))}};me=new WeakMap,He=new WeakMap;var Ls=Hs,ge,Z,Be=class Be extends ut{constructor(e,s){var n,i;super(e);this.kind="live";m(this,ge);m(this,Z);l(this,ge,(n=s==null?void 0:s.consecutiveShortSseConnections)!=null?n:0),l(this,Z,(i=s==null?void 0:s.sseFallbackToLongPolling)!=null?i:!1)}get isUpToDate(){return!0}get consecutiveShortSseConnections(){return a(this,ge)}get sseFallbackToLongPolling(){return a(this,Z)}withHandle(e){return new Be(_(R({},this.currentFields),{handle:e}),this.sseState)}applyUrlParams(e,s){super.applyUrlParams(e,s),s.isSnapshotRequest||(e.searchParams.set(tt,this.liveCacheBuster),s.canLongPoll&&e.searchParams.set(F,"true"))}get sseState(){return{consecutiveShortSseConnections:a(this,ge),sseFallbackToLongPolling:a(this,Z)}}handleResponseMetadata(e){let s=this.checkStaleResponse(e);if(s)return s;let n=this.parseResponseFields(e);return{action:"accepted",state:new Be(n,this.sseState)}}onUpToDate(e,s){return{state:new Be(e,this.sseState),suppressUpToDate:!1,becameUpToDate:!0}}shouldUseSse(e){return e.liveSseEnabled&&!e.isRefreshing&&!e.resumingFromPause&&!a(this,Z)}handleSseConnectionClosed(e){let s=a(this,ge),n=a(this,Z),i=!1,o=!1;return e.connectionDuration<e.minConnectionDuration&&!e.wasAborted?(o=!0,s=s+1,s>=e.maxShortConnections&&(n=!0,i=!0)):e.connectionDuration>=e.minConnectionDuration&&(s=0),{state:new Be(this.currentFields,{consecutiveShortSseConnections:s,sseFallbackToLongPolling:n}),fellBackToLongPolling:i,wasShortConnection:o}}};ge=new WeakMap,Z=new WeakMap;var ft=Be,ee,Yt=class Yt extends ut{constructor(e){let i=e,{replayCursor:s}=i,n=Je(i,["replayCursor"]);super(n);this.kind="replaying";m(this,ee);l(this,ee,s)}get replayCursor(){return a(this,ee)}withHandle(e){return new Yt(_(R({},this.currentFields),{handle:e,replayCursor:a(this,ee)}))}handleResponseMetadata(e){let s=this.checkStaleResponse(e);if(s)return s;let n=this.parseResponseFields(e);return{action:"accepted",state:new Yt(_(R({},n),{replayCursor:a(this,ee)}))}}onUpToDate(e,s){let n=!s.isSse&&a(this,ee)===s.currentCursor;return{state:new ft(e),suppressUpToDate:n,becameUpToDate:!0}}};ee=new WeakMap;var Bs=Yt,pt=class r extends ht{constructor(e){super();this.kind="paused";this.previousState=e instanceof r?e.previousState:e}get handle(){return this.previousState.handle}get offset(){return this.previousState.offset}get schema(){return this.previousState.schema}get liveCacheBuster(){return this.previousState.liveCacheBuster}get lastSyncedAt(){return this.previousState.lastSyncedAt}get isUpToDate(){return this.previousState.isUpToDate}get staleCacheBuster(){return this.previousState.staleCacheBuster}get staleCacheRetryCount(){return this.previousState.staleCacheRetryCount}get sseFallbackToLongPolling(){return this.previousState.sseFallbackToLongPolling}get consecutiveShortSseConnections(){return this.previousState.consecutiveShortSseConnections}get replayCursor(){return this.previousState.replayCursor}handleResponseMetadata(e){let s=this.previousState.handleResponseMetadata(e);if(s.action==="accepted")return{action:"accepted",state:new r(s.state)};if(s.action==="ignored")return{action:"ignored",state:this};if(s.action==="stale-retry")return{action:"stale-retry",state:new r(s.state),exceededMaxRetries:s.exceededMaxRetries};let n=s;throw new Error(`PausedState.handleResponseMetadata: unhandled transition action "${n.action}"`)}withHandle(e){return new r(this.previousState.withHandle(e))}applyUrlParams(e,s){this.previousState.applyUrlParams(e,s)}pause(){return this}resume(){return this.previousState}},Ie=class r extends ht{constructor(e,s){super();this.kind="error";this.previousState=e instanceof r?e.previousState:e,this.error=s}get handle(){return this.previousState.handle}get offset(){return this.previousState.offset}get schema(){return this.previousState.schema}get liveCacheBuster(){return this.previousState.liveCacheBuster}get lastSyncedAt(){return this.previousState.lastSyncedAt}get isUpToDate(){return this.previousState.isUpToDate}get staleCacheBuster(){return this.previousState.staleCacheBuster}get staleCacheRetryCount(){return this.previousState.staleCacheRetryCount}get sseFallbackToLongPolling(){return this.previousState.sseFallbackToLongPolling}get consecutiveShortSseConnections(){return this.previousState.consecutiveShortSseConnections}get replayCursor(){return this.previousState.replayCursor}withHandle(e){return new r(this.previousState.withHandle(e),this.error)}applyUrlParams(e,s){this.previousState.applyUrlParams(e,s)}retry(){return this.previousState}reset(e){return this.previousState.markMustRefetch(e)}};function Rr(r){return new Wt({handle:r.handle,offset:r.offset,liveCacheBuster:"",lastSyncedAt:void 0,schema:void 0})}var H,mt,gt,Kt=class{constructor(t){m(this,H,new Set);m(this,mt);m(this,gt);l(this,mt,t.onAcquired),l(this,gt,t.onReleased)}acquire(t){if(a(this,H).has(t)){console.warn(`[Electric] PauseLock: "${t}" already held \u2014 ignoring duplicate acquire`);return}let e=a(this,H).size===0;a(this,H).add(t),e&&a(this,mt).call(this)}release(t){if(!a(this,H).delete(t)){console.warn(`[Electric] PauseLock: "${t}" not held \u2014 ignoring release (possible acquire/release mismatch)`);return}a(this,H).size===0&&a(this,gt).call(this)}get isPaused(){return a(this,H).size>0}isHeldBy(t){return a(this,H).has(t)}releaseAllMatching(t){for(let e of a(this,H))e.startsWith(t)&&a(this,H).delete(e)}};H=new WeakMap,mt=new WeakMap,gt=new WeakMap;var mn;function wr(){return mn}var gn=new Set([tt,ue,F,de,fe]),ye="https://electric-sql.com/docs/guides/troubleshooting";function Qt(){return`${Date.now()}-${Math.random().toString(36).substring(2,9)}`}async function Ws(r){return typeof r=="function"?r():r}async function yn(r){let t=Object.entries(r),e=await Promise.all(t.map(async([s,n])=>{if(n===void 0)return[s,void 0];let i=await Ws(n);return[s,Array.isArray(i)?i.join(","):i]}));return Object.fromEntries(e.filter(([s,n])=>n!==void 0))}async function Sn(r){if(!r)return{};let t=Object.entries(r),e=await Promise.all(t.map(async([s,n])=>[s,await Ws(n)]));return Object.fromEntries(e)}var vr=r=>{if(r!==null)return r==="active"?"visible":"hidden"};function Ra(r){return{getCurrentState:()=>vr(r.currentState),subscribe:t=>{let e=r.addEventListener("change",s=>{let n=vr(s);n&&t(n)});return()=>e.remove()}}}function bn(){var r;return(r=wr())==null?void 0:r()}function Se(r){let t=new URL(r.origin+r.pathname);for(let[e,s]of r.searchParams)vs.includes(e)||t.searchParams.append(e,s);return t.searchParams.sort(),t.toString()}var Ne,St,Ee,Re,te,V,y,W,se,qe,I,we,re,ve,ts,f,zt,Y,$e,Ve,je,We,xe,k,q,bt,ss,rs,ns,as,Et,ne,ae,ie,$,Ye,Ke,is,os,K,Rt,Te,wt,Ae,Pe,oe,vt,xt,yt,be,Tr,Fe,Ar,Gt,Pr,Fs,Jt,Cr,_r,Mr,kr,Ns,qs,Xt,$s,Zt,Ur,Dr,Or,es,Vs,Lr,Is=class{constructor(t){m(this,f);m(this,Ne,null);m(this,St);m(this,Ee);m(this,Re);m(this,te,new Map);m(this,V,!1);m(this,y);m(this,W,!1);m(this,se);m(this,qe);m(this,I);m(this,we,new WeakSet);m(this,re,0);m(this,ve,!1);m(this,ts,0);m(this,Y);m(this,$e);m(this,Ve);m(this,je,Promise.resolve([]));m(this,We,!1);m(this,xe,new jt);m(this,k);m(this,q);m(this,bt);m(this,ss,1e3);m(this,rs,3);m(this,ns,100);m(this,as,5e3);m(this,Et);m(this,ne);m(this,ae);m(this,ie,3);m(this,$,[]);m(this,Ye,500);m(this,Ke,5);m(this,is,100);m(this,os,5e3);m(this,K,0);m(this,Rt,5);m(this,Te);m(this,wt,5);m(this,Ae,null);m(this,Pe,null);m(this,oe,0);m(this,vt,50);m(this,xt);var o,c,h,u,d;this.options=R({subscribe:!0},t),vn(this.options),l(this,y,Rr({offset:(o=this.options.offset)!=null?o:"-1",handle:this.options.handle})),l(this,k,new Kt({onAcquired:()=>{var g;l(this,y,a(this,y).pause()),a(this,V)&&((g=a(this,I))==null||g.abort(hr))},onReleased:()=>{var g;a(this,V)&&((g=this.options.signal)!=null&&g.aborted||p(this,f,yt).call(this).catch(()=>{}))}}));let e;if(t.columnMapper){let g=b=>{let S={};for(let[v,E]of Object.entries(b)){let A=t.columnMapper.decode(v);S[A]=E}return S};e=t.transformer?b=>t.transformer(g(b)):g}else e=t.transformer;l(this,Re,new Lt(t.parser,e)),l(this,qe,this.options.onError),l(this,se,(c=this.options.log)!=null?c:"full"),l(this,Et,(h=this.options.liveRequestTimeoutMs)!=null?h:45e3);let s=(u=t.fetchClient)!=null?u:(...g)=>fetch(...g),n=_(R({},(d=t.backoffOptions)!=null?d:qt),{onFailedAttempt:()=>{var g,b;l(this,W,!1),(b=(g=t.backoffOptions)==null?void 0:g.onFailedAttempt)==null||b.call(g)}});l(this,xt,{initialDelay:n.initialDelay,maxDelay:n.maxDelay,multiplier:n.multiplier});let i=ur(s,n);l(this,Ee,pr(fr(i))),l(this,St,dr(a(this,Ee))),p(this,f,Ur).call(this)}get shapeHandle(){return a(this,y).handle}get error(){return a(this,Ne)}get isUpToDate(){return a(this,y).isUpToDate}get lastOffset(){return a(this,y).offset}get mode(){return a(this,se)}subscribe(t,e=()=>{}){let s={};return a(this,te).set(s,[t,e]),a(this,V)||p(this,f,yt).call(this).catch(()=>{}),()=>{a(this,te).delete(s)}}unsubscribeAll(){var t,e;a(this,te).clear(),(t=a(this,ne))==null||t.call(this),(e=a(this,ae))==null||e.call(this)}lastSyncedAt(){return a(this,y).lastSyncedAt}lastSynced(){return a(this,y).lastSyncedAt===void 0?1/0:Date.now()-a(this,y).lastSyncedAt}isConnected(){return a(this,W)}isLoading(){return!a(this,y).isUpToDate}hasStarted(){return a(this,V)}isPaused(){return a(this,k).isPaused}async forceDisconnectAndRefresh(){z(this,re)._++,l(this,ve,!0);try{let t=a(this,I);a(this,y).isUpToDate&&t&&!t.signal.aborted&&(a(this,we).add(t),t.abort(ys)),await p(this,f,Ns).call(this)}finally{z(this,re)._--}}async requestSnapshot(t){if(a(this,se)==="full")throw new Error(`Snapshot requests are not supported in ${a(this,se)} mode, as the consumer is guaranteed to observe all data`);a(this,V)||p(this,f,yt).call(this).catch(()=>{});let e=`snapshot-${++z(this,ts)._}`;a(this,k).acquire(e);let s=setTimeout(()=>{console.warn(`[Electric] Snapshot "${e}" has held the pause lock for 30s \u2014 possible hung request or leaked lock. Current holders: ${[...new Set([e])].join(", ")}`,new Error("stack trace"))},3e4);try{let{metadata:n,data:i,responseOffset:o,responseHandle:c}=await this.fetchSnapshot(t),h=i.concat([{headers:R({control:"snapshot-end"},n)},{headers:R({control:"subset-end"},t)}]);if(a(this,xe).addSnapshot(n,new Set(i.map(u=>u.key))),await p(this,f,Jt).call(this,h,!1,{allowReentrantPublishBypass:!0}),o!==null||c!==null){let u=a(this,y).handleResponseMetadata({status:200,responseHandle:c,responseOffset:o,responseCursor:null,expiredHandle:null,now:Date.now(),maxStaleCacheRetries:a(this,ie),createCacheBuster:Qt});u.action==="accepted"?l(this,y,u.state):console.warn(`[Electric] Snapshot response metadata was not accepted by state "${a(this,y).kind}" (action: ${u.action}). 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For more information visit the troubleshooting guide: ${ye}`);if(a(this,K)===1){if(console.warn(`[Electric] Detected fast retry loop (${a(this,Ke)} requests in ${a(this,Ye)}ms at the same offset). Clearing client-side caches and resetting stream to recover. If this persists, check that your proxy includes all query parameters (especially 'handle' and 'offset') in its cache key, and that required Electric headers are forwarded to the client. For more information visit the troubleshooting guide: ${ye}`,new Error("stack trace")),a(this,q)){let o=Se(a(this,q));X.delete(o),lt.delete(o)}else X.clear(),lt.clear();p(this,f,es).call(this),l(this,$,[]);return}let n=Math.min(a(this,os),a(this,is)*Math.pow(2,a(this,K))),i=Math.floor(Math.random()*n);await new Promise(o=>setTimeout(o,i)),l(this,$,[])},Gt=async function(t,e,s){var u,d,g,b,S,v;let[n,i]=await Promise.all([Sn(this.options.headers),this.options.params?yn(xn(this.options.params)):void 0]);i&&Br(i);let o=new URL(t);if(i){if(i.table&&L(o,ir,i.table),i.where&&typeof i.where=="string"){let A=ke(i.where,(u=this.options.columnMapper)==null?void 0:u.encode);L(o,or,A)}if(i.columns){let A=await Ws((d=this.options.params)==null?void 0:d.columns);if(Array.isArray(A)){let P=A.map(String);this.options.columnMapper&&(P=P.map(this.options.columnMapper.encode));let D=P.map(Xe).join(",");L(o,ps,D)}else L(o,ps,i.columns)}i.replica&&L(o,cr,i.replica),i.params&&L(o,lr,i.params);let E=R({},i);delete E.table,delete E.where,delete E.columns,delete E.replica,delete E.params;for(let[A,P]of Object.entries(E))L(o,A,P)}if(s){if(s.whereExpr){let E=ct(s.whereExpr,(g=this.options.columnMapper)==null?void 0:g.encode);L(o,De,E),o.searchParams.set(Rs,JSON.stringify(s.whereExpr))}else if(s.where&&typeof s.where=="string"){let E=ke(s.where,(b=this.options.columnMapper)==null?void 0:b.encode);L(o,De,E)}if(s.params&&o.searchParams.set(at,It(s.params)),s.limit!==void 0&&L(o,rt,s.limit),s.offset!==void 0&&L(o,nt,s.offset),s.orderByExpr){let E=$t(s.orderByExpr,(S=this.options.columnMapper)==null?void 0:S.encode);L(o,Oe,E),o.searchParams.set(ws,JSON.stringify(s.orderByExpr))}else if(s.orderBy&&typeof s.orderBy=="string"){let E=ke(s.orderBy,(v=this.options.columnMapper)==null?void 0:v.encode);L(o,Oe,E)}}a(this,y).applyUrlParams(o,{isSnapshotRequest:s!==void 0,canLongPoll:!a(this,f,zt)&&!e}),o.searchParams.set(Es,a(this,se));let c=Se(o),h=X.getExpiredHandle(c);return h&&o.searchParams.set(st,h),o.searchParams.sort(),{fetchUrl:o,requestHeaders:n}},Pr=async function(t){var e;if(l(this,I,new AbortController),t){let s=()=>{var n;(n=a(this,I))==null||n.abort(t.reason)};return t.addEventListener("abort",s,{once:!0}),t.aborted&&((e=a(this,I))==null||e.abort(t.reason)),s}},Fs=async function(t){var h,u,d;let{headers:e,status:s}=t,n=e.get(J),i=a(this,q)?Se(a(this,q)):null,o=i?X.getExpiredHandle(i):null;if(a(this,Pe)){let{shapeKey:g,staleHandle:b}=a(this,Pe);l(this,Pe,null),i===g&&n===b&&console.warn(`[Electric] Self-healing retry received the same handle "${b}" that was just marked expired. 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Check that your proxy includes all query parameters (especially 'handle' and 'offset') in its cache key. For more information visit the troubleshooting guide: ${ye} Retrying with a random cache buster to bypass the stale cache (attempt ${a(this,y).staleCacheRetryCount}/${a(this,ie)}).`,new Error("stack trace")),new he(`Received stale cached response with expired handle "${n}". This indicates a proxy/CDN caching misconfiguration. Check that your proxy includes all query parameters (especially 'handle' and 'offset') in its cache key.`));return c.action==="ignored"?(console.warn(`[Electric] Response was ignored by state "${a(this,y).kind}". The response body will be skipped. This may indicate a proxy/CDN caching issue or a client state machine bug.`,new Error("stack trace")),!1):!0},Jt=async function(t,e=!1,s={}){if(!Array.isArray(t)){console.warn(`[Electric] #onMessages called with non-array argument (${typeof t}). 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Expected a JSON array, got ${typeof b}: ${v}`,void 0,Object.fromEntries(c.headers.entries()),e.toString())}await p(this,f,Jt).call(this,b)},kr=async function(t){let{fetchUrl:e,requestAbortController:s,headers:n}=t,i=a(this,Ee);l(this,bt,Date.now());let o=_(R({},n),{Accept:"text/event-stream"}),c=!1;try{let h=[];await Ps(e.toString(),{headers:o,fetch:i,onopen:async u=>{if(l(this,W,!0),!await p(this,f,Fs).call(this,u))throw c=!0,new Error("stale response ignored")},onmessage:u=>{if(u.data){let d=a(this,y).schema,g=a(this,Re).parse(u.data,d);h.push(g),Ht(g)&&(p(this,f,Jt).call(this,h,!0),h=[])}},onerror:u=>{throw u},signal:s.signal})}catch(h){if(c)return;if(s.signal.aborted)throw new O;if(h instanceof w||h instanceof he||h instanceof G)throw h}finally{let h=Date.now()-a(this,bt),u=s.signal.aborted,d=a(this,y).handleSseConnectionClosed({connectionDuration:h,wasAborted:u,minConnectionDuration:a(this,ss),maxShortConnections:a(this,rs)});if(l(this,y,d.state),d.fellBackToLongPolling)console.warn("[Electric] SSE connections are closing immediately (possibly due to proxy buffering or misconfiguration). 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This indicates a proxy/CDN misconfiguration. For more information visit the troubleshooting guide: ${ye}`);if(h){let At=Se(o);X.markExpired(At,h)}let Me=C.headers[J];Me?l(this,y,a(this,y).withHandle(Me)):console.warn("[Electric] Received 409 response without a shape handle header. This likely indicates a proxy or CDN stripping required headers.");let ze=Qt();return p(this,f,Vs).call(this,t,_e,ze)}throw C}if(!u.ok)throw await w.fromResponse(u,o.toString());let d=(D=a(this,y).schema)!=null?D:xr(u.headers,{required:!0,url:o.toString()}),{metadata:g,data:b}=await u.json(),S=a(this,Re).parseSnapshotData(b,d),v=u.headers.get(Ue)||null,E=u.headers.get(J);return{metadata:g,data:S,responseOffset:v,responseHandle:E}},Lr=function(t){var s,n,i,o;let e={};return t.whereExpr?(e.where=ct(t.whereExpr,(s=this.options.columnMapper)==null?void 0:s.encode),e.where_expr=t.whereExpr):t.where&&typeof t.where=="string"&&(e.where=ke(t.where,(n=this.options.columnMapper)==null?void 0:n.encode)),t.params&&(e.params=t.params),t.limit!==void 0&&(e.limit=t.limit),t.offset!==void 0&&(e.offset=t.offset),t.orderByExpr?(e.order_by=$t(t.orderByExpr,(i=this.options.columnMapper)==null?void 0:i.encode),e.order_by_expr=t.orderByExpr):t.orderBy&&typeof t.orderBy=="string"&&(e.order_by=ke(t.orderBy,(o=this.options.columnMapper)==null?void 0:o.encode)),e},Is.Replica={FULL:"full",DEFAULT:"default"};function xr(r,t){let e=r.get(et);if(!e){if(t!=null&&t.required&&(t!=null&&t.url))throw new G(t.url,[et]);return{}}return JSON.parse(e)}function Br(r){if(!r)return;let t=Object.keys(r).filter(e=>gn.has(e));if(t.length>0)throw new Ut(t)}var js=!1;function En(){return typeof process!="undefined"?"production":void 0}function Rn(r,t){try{return new URL(r,t)}catch(e){return}}function Hr(){return typeof window!="undefined"}function wn(){if(Hr()&&typeof window.location!="undefined")return window.location.href}function vn(r){var s;if(!r.url)throw new _t;if(r.signal&&!(r.signal instanceof AbortSignal))throw new Mt;if(r.liveRequestTimeoutMs!==void 0&&r.liveRequestTimeoutMs!==!1&&(!Number.isFinite(r.liveRequestTimeoutMs)||r.liveRequestTimeoutMs<=0))throw new Ct("Invalid shape options: liveRequestTimeoutMs must be a positive finite number or false");if(r.offset!==void 0&&r.offset!=="-1"&&r.offset!=="now"&&!r.handle)throw new kt;Br(r.params);let t=En();if(((s=r.warnOnHttp)!=null?s:t!=="test")&&!js&&Hr()&&typeof console!="undefined"){let n=wn(),i=Rn(r.url,n);(i==null?void 0:i.protocol)==="http:"&&(js=!0,console.warn("[Electric] Using HTTP (not HTTPS) typically limits browsers to ~6 concurrent connections per origin under HTTP/1.1. This can cause slow shapes and app freezes with multiple shapes. Use HTTPS for HTTP/2 support. See: https://electric-sql.com/r/electric-http2"))}}function wa(){js=!1}function L(r,t,e){if(!(e===void 0||e==null))if(typeof e=="string")r.searchParams.set(t,e);else if(typeof e=="object")for(let[s,n]of Object.entries(e))r.searchParams.set(`${t}[${s}]`,n);else r.searchParams.set(t,e.toString())}function xn(r){return Array.isArray(r.params)?_(R({},r),{params:Object.fromEntries(r.params.map((t,e)=>[e+1,t]))}):r}var B,ce,le,Tt,Qe,Ce,U,T,Fr,Nr,Ys,Ks,cs,qr,ls,Ir=class{constructor(t){m(this,T);m(this,B,new Map);m(this,ce,new Map);m(this,le,new Set);m(this,Tt,new Set);m(this,Qe,!1);m(this,Ce,"syncing");m(this,U,!1);this.stream=t,this.stream.subscribe(p(this,T,Fr).bind(this),p(this,T,qr).bind(this))}get isUpToDate(){return a(this,Ce)==="up-to-date"}get lastOffset(){return this.stream.lastOffset}get handle(){return this.stream.shapeHandle}get rows(){return this.value.then(t=>Array.from(t.values()))}get currentRows(){return Array.from(this.currentValue.values())}get value(){return new Promise((t,e)=>{if(this.stream.isUpToDate)t(this.currentValue);else{let s=this.subscribe(({value:n})=>{s(),a(this,U)&&e(a(this,U)),t(n)})}})}get currentValue(){return a(this,B)}get error(){return a(this,U)}lastSyncedAt(){return this.stream.lastSyncedAt()}lastSynced(){return this.stream.lastSynced()}isLoading(){return this.stream.isLoading()}isConnected(){return this.stream.isConnected()}get mode(){return this.stream.mode}async requestSnapshot(t){let e=rr(t);a(this,Tt).add(e),await p(this,T,Ks).call(this),await this.stream.requestSnapshot(t)}subscribe(t){let e={};return a(this,ce).set(e,t),()=>{a(this,ce).delete(e)}}unsubscribeAll(){a(this,ce).clear()}get numSubscribers(){return a(this,ce).size}};B=new WeakMap,ce=new WeakMap,le=new WeakMap,Tt=new WeakMap,Qe=new WeakMap,Ce=new WeakMap,U=new WeakMap,T=new WeakSet,Fr=function(t){let e=!1;t.forEach(s=>{if(Ze(s)){let n=a(this,Ce)==="up-to-date";if(p(this,T,cs).call(this,"syncing"),this.mode==="full")switch(s.headers.operation){case"insert":a(this,B).set(s.key,s.value),n&&(e=!0);break;case"update":a(this,B).set(s.key,R(R({},a(this,B).get(s.key)),s.value)),n&&(e=!0);break;case"delete":a(this,B).delete(s.key),n&&(e=!0);break}else switch(s.headers.operation){case"insert":a(this,le).add(s.key),a(this,B).set(s.key,s.value),n&&(e=!0);break;case"update":a(this,le).has(s.key)&&(a(this,B).set(s.key,R(R({},a(this,B).get(s.key)),s.value)),n&&(e=!0));break;case"delete":a(this,le).has(s.key)&&(a(this,B).delete(s.key),a(this,le).delete(s.key),n&&(e=!0));break}}if(Bt(s))switch(s.headers.control){case"up-to-date":p(this,T,cs).call(this,"up-to-date")&&(e=!0),a(this,Qe)&&(l(this,Qe,!1),p(this,T,Nr).call(this));break;case"must-refetch":a(this,B).clear(),a(this,le).clear(),l(this,U,!1),p(this,T,cs).call(this,"syncing"),l(this,Qe,!0);break}}),e&&p(this,T,ls).call(this)},Nr=async function(){try{await p(this,T,Ks).call(this)}catch(s){p(this,T,Ys).call(this,s);return}let e=(await Promise.all(Array.from(a(this,Tt)).map(async s=>{try{let n=JSON.parse(s);await this.stream.requestSnapshot(n);return}catch(n){return n}}))).find(s=>s!==void 0);e!==void 0&&p(this,T,Ys).call(this,e)},Ys=function(t){t instanceof w?l(this,U,t):t instanceof Error?l(this,U,new w(0,t.message,void 0,{},"",t.message)):l(this,U,new w(0,String(t),void 0,{},"",String(t))),p(this,T,ls).call(this)},Ks=async function(){if(a(this,U))throw a(this,U);if(!this.stream.isUpToDate){if(this.stream.error)throw this.stream.error;await new Promise((t,e)=>{let s=!1,n,i,o=h=>{s||(s=!0,clearInterval(n),i==null||i(),h())},c=()=>{if(this.stream.isUpToDate)return o(t);let h=this.stream.error;if(h)return o(()=>e(h));if(a(this,U)){let u=a(this,U);return o(()=>e(u))}};n=setInterval(c,10),i=this.stream.subscribe(()=>c(),h=>o(()=>e(h))),c()})}},cs=function(t){let e=a(this,Ce)!==t;return l(this,Ce,t),e&&t==="up-to-date"},qr=function(t){t instanceof w&&(l(this,U,t),p(this,T,ls).call(this))},ls=function(){a(this,ce).forEach(t=>{t({value:this.currentValue,rows:this.currentRows})})};export{qt as BackoffDefaults,vs as ELECTRIC_PROTOCOL_QUERY_PARAMS,O as FetchBackoffAbortError,w as FetchError,Ir as Shape,Is as ShapeStream,wa as _resetHttpWarningForTesting,er as camelToSnake,Se as canonicalShapeKey,ct as compileExpression,$t as compileOrderBy,tr as createColumnMapper,Ra as createReactNativeRuntimeVisibilityAdapter,Ze as isChangeMessage,Bt as isControlMessage,fs as isVisibleInSnapshot,Ws as resolveValue,Gr as snakeCamelMapper,us as snakeToCamel};
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