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he={};ie(he,{AsyncDuckDB:()=>N,AsyncDuckDBConnection:()=>E,AsyncDuckDBDispatcher:()=>A,AsyncPreparedStatement:()=>_,AsyncResultStreamIterator:()=>p,ConsoleLogger:()=>g,DuckDBAccessMode:()=>M,DuckDBDataProtocol:()=>W,LogEvent:()=>Q,LogLevel:()=>G,LogOrigin:()=>q,LogTopic:()=>x,PACKAGE_NAME:()=>P,PACKAGE_VERSION:()=>L,PACKAGE_VERSION_MAJOR:()=>_e,PACKAGE_VERSION_MINOR:()=>Re,PACKAGE_VERSION_PATCH:()=>Te,StatusCode:()=>Y,TokenType:()=>B,VoidLogger:()=>y,WorkerRequestType:()=>S,WorkerResponseType:()=>h,WorkerTask:()=>a,createWorker:()=>ge,getJsDelivrBundles:()=>ke,getLogEventLabel:()=>ce,getLogLevelLabel:()=>de,getLogOriginLabel:()=>le,getLogTopicLabel:()=>ue,getPlatformFeatures:()=>J,isFirefox:()=>be,isNode:()=>U,isSafari:()=>Ie,selectBundle:()=>ye});module.exports=ae(he);var M=(o=>(o[o.UNDEFINED=0]="UNDEFINED",o[o.AUTOMATIC=1]="AUTOMATIC",o[o.READ_ONLY=2]="READ_ONLY",o[o.READ_WRITE=3]="READ_WRITE",o))(M||{});var B=(n=>(n[n.IDENTIFIER=0]="IDENTIFIER",n[n.NUMERIC_CONSTANT=1]="NUMERIC_CONSTANT",n[n.STRING_CONSTANT=2]="STRING_CONSTANT",n[n.OPERATOR=3]="OPERATOR",n[n.KEYWORD=4]="KEYWORD",n[n.COMMENT=5]="COMMENT",n))(B||{});var G=(i=>(i[i.NONE=0]="NONE",i[i.DEBUG=1]="DEBUG",i[i.INFO=2]="INFO",i[i.WARNING=3]="WARNING",i[i.ERROR=4]="ERROR",i))(G||{}),x=(n=>(n[n.NONE=0]="NONE",n[n.CONNECT=1]="CONNECT",n[n.DISCONNECT=2]="DISCONNECT",n[n.OPEN=3]="OPEN",n[n.QUERY=4]="QUERY",n[n.INSTANTIATE=5]="INSTANTIATE",n))(x||{}),Q=(n=>(n[n.NONE=0]="NONE",n[n.OK=1]="OK",n[n.ERROR=2]="ERROR",n[n.START=3]="START",n[n.RUN=4]="RUN",n[n.CAPTURE=5]="CAPTURE",n))(Q||{}),q=(i=>(i[i.NONE=0]="NONE",i[i.WEB_WORKER=1]="WEB_WORKER",i[i.NODE_WORKER=2]="NODE_WORKER",i[i.BINDINGS=3]="BINDINGS",i[i.ASYNC_DUCKDB=4]="ASYNC_DUCKDB",i))(q||{}),y=class{log(e){}},g=class{constructor(e=2){this.level=e}log(e){e.level>=this.level&&console.log(e)}};function de(s){switch(s){case 0:return"NONE";case 1:return"DEBUG";case 2:return"INFO";case 3:return"WARNING";case 4:return"ERROR";default:return"?"}}function ce(s){switch(s){case 0:return"NONE";case 1:return"OK";case 2:return"ERROR";case 3:return"START";case 4:return"RUN";case 5:return"CAPTURE";default:return"?"}}function ue(s){switch(s){case 1:return"CONNECT";case 2:return"DISCONNECT";case 5:return"INSTANTIATE";case 3:return"OPEN";case 4:return"QUERY";default:return"?"}}function le(s){switch(s){case 0:return"NONE";case 1:return"WEB WORKER";case 2:return"NODE WORKER";case 3:return"DUCKDB BINDINGS";case 4:return"DUCKDB";default:return"?"}}var Y=(e=>(e[e.SUCCESS=0]="SUCCESS",e))(Y||{});var l=k(require("apache-arrow"));var E=class{constructor(e,r){this._bindings=e,this._conn=r}get bindings(){return this._bindings}async close(){return this._bindings.disconnect(this._conn)}useUnsafe(e){return e(this._bindings,this._conn)}async query(e){this._bindings.logger.log({timestamp:new Date,level:2,origin:4,topic:4,event:4,value:e});let r=await 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this._bindings.insertArrowFromIPCStream(this._conn,e,r)}async insertCSVFromPath(e,r){await this._bindings.insertCSVFromPath(this._conn,e,r)}async insertJSONFromPath(e,r){await this._bindings.insertJSONFromPath(this._conn,e,r)}},p=class{constructor(e,r,t){this.db=e;this.conn=r;this.header=t;this._first=!0,this._depleted=!1,this._inFlight=null}async next(){if(this._first)return this._first=!1,{done:!1,value:this.header};if(this._depleted)return{done:!0,value:null};let e;return this._inFlight!=null?(e=await this._inFlight,this._inFlight=null):e=await this.db.fetchQueryResults(this.conn),this._depleted=e.length==0,this._depleted||(this._inFlight=this.db.fetchQueryResults(this.conn)),{done:this._depleted,value:e}}[Symbol.asyncIterator](){return this}},_=class{constructor(e,r,t){this.bindings=e,this.connectionId=r,this.statementId=t}async close(){await this.bindings.closePrepared(this.connectionId,this.statementId)}async query(...e){let r=await this.bindings.runPrepared(this.connectionId,this.statementId,e),t=l.RecordBatchReader.from(r);return console.assert(t.isSync()),console.assert(t.isFile()),new l.Table(t)}async send(...e){let r=await this.bindings.sendPrepared(this.connectionId,this.statementId,e),t=new p(this.bindings,this.connectionId,r),o=await l.RecordBatchReader.from(t);return console.assert(o.isAsync()),console.assert(o.isStream()),o}};var S=(c=>(c.CANCEL_PENDING_QUERY="CANCEL_PENDING_QUERY",c.CLOSE_PREPARED="CLOSE_PREPARED",c.COLLECT_FILE_STATISTICS="COLLECT_FILE_STATISTICS",c.CONNECT="CONNECT",c.COPY_FILE_TO_BUFFER="COPY_FILE_TO_BUFFER",c.COPY_FILE_TO_PATH="COPY_FILE_TO_PATH",c.CREATE_PREPARED="CREATE_PREPARED",c.DISCONNECT="DISCONNECT",c.DROP_FILE="DROP_FILE",c.DROP_FILES="DROP_FILES",c.EXPORT_FILE_STATISTICS="EXPORT_FILE_STATISTICS",c.FETCH_QUERY_RESULTS="FETCH_QUERY_RESULTS",c.FLUSH_FILES="FLUSH_FILES",c.GET_FEATURE_FLAGS="GET_FEATURE_FLAGS",c.GET_TABLE_NAMES="GET_TABLE_NAMES",c.GET_VERSION="GET_VERSION",c.GLOB_FILE_INFOS="GLOB_FILE_INFOS",c.INSERT_ARROW_FROM_IPC_STREAM="INSERT_ARROW_FROM_IPC_STREAM",c.INSERT_CSV_FROM_PATH="IMPORT_CSV_FROM_PATH",c.INSERT_JSON_FROM_PATH="IMPORT_JSON_FROM_PATH",c.INSTANTIATE="INSTANTIATE",c.OPEN="OPEN",c.PING="PING",c.POLL_PENDING_QUERY="POLL_PENDING_QUERY",c.REGISTER_FILE_BUFFER="REGISTER_FILE_BUFFER",c.REGISTER_FILE_HANDLE="REGISTER_FILE_HANDLE",c.REGISTER_FILE_URL="REGISTER_FILE_URL",c.RESET="RESET",c.RUN_PREPARED="RUN_PREPARED",c.RUN_QUERY="RUN_QUERY",c.SEND_PREPARED="SEND_PREPARED",c.START_PENDING_QUERY="START_PENDING_QUERY",c.TOKENIZE="TOKENIZE",c))(S||{}),h=(u=>(u.CONNECTION_INFO="CONNECTION_INFO",u.ERROR="ERROR",u.FEATURE_FLAGS="FEATURE_FLAGS",u.FILE_BUFFER="FILE_BUFFER",u.FILE_INFOS="FILE_INFOS",u.FILE_SIZE="FILE_SIZE",u.FILE_STATISTICS="FILE_STATISTICS",u.INSTANTIATE_PROGRESS="INSTANTIATE_PROGRESS",u.LOG="LOG",u.OK="OK",u.PREPARED_STATEMENT_ID="PREPARED_STATEMENT_ID",u.QUERY_PLAN="QUERY_PLAN",u.QUERY_RESULT="QUERY_RESULT",u.QUERY_RESULT_CHUNK="QUERY_RESULT_CHUNK",u.QUERY_RESULT_HEADER="QUERY_RESULT_HEADER",u.QUERY_RESULT_HEADER_OR_NULL="QUERY_RESULT_HEADER_OR_NULL",u.REGISTERED_FILE="REGISTERED_FILE",u.SCRIPT_TOKENS="SCRIPT_TOKENS",u.SUCCESS="SUCCESS",u.TABLE_NAMES="TABLE_NAMES",u.VERSION_STRING="VERSION_STRING",u))(h||{}),a=class{constructor(e,r){this.promiseResolver=()=>{};this.promiseRejecter=()=>{};this.type=e,this.data=r,this.promise=new 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this._logger}attach(e){this._worker=e,this._worker.addEventListener("message",this._onMessageHandler),this._worker.addEventListener("error",this._onErrorHandler),this._worker.addEventListener("close",this._onCloseHandler),this._workerShutdownPromise=new Promise((r,t)=>{this._workerShutdownResolver=r})}detach(){this._worker&&(this._worker.removeEventListener("message",this._onMessageHandler),this._worker.removeEventListener("error",this._onErrorHandler),this._worker.removeEventListener("close",this._onCloseHandler),this._worker=null,this._workerShutdownResolver(null),this._workerShutdownPromise=null,this._workerShutdownResolver=()=>{})}async terminate(){this._worker&&(this._worker.terminate(),this._worker=null,this._workerShutdownPromise=null,this._workerShutdownResolver=()=>{})}async postTask(e,r=[]){if(!this._worker){console.error("cannot send a message since the worker is not set!");return}let t=this._nextMessageId++;return this._pendingRequests.set(t,e),this._worker.postMessage({messageId:t,type:e.type,data:e.data},r),await e.promise}onMessage(e){var o;let r=e.data;switch(r.type){case"LOG":{this._logger.log(r.data);return}case"INSTANTIATE_PROGRESS":{for(let i of this._onInstantiationProgress)i(r.data);return}}let t=this._pendingRequests.get(r.requestId);if(!t){console.warn("unassociated response: [".concat(r.requestId,", ").concat(r.type.toString(),"]"));return}if(this._pendingRequests.delete(r.requestId),r.type=="ERROR"){let i=new Error(r.data.message);i.name=r.data.name,(o=Object.getOwnPropertyDescriptor(i,"stack"))!=null&&o.writable&&(i.stack=r.data.stack),t.promiseRejecter(i);return}switch(t.type){case"CLOSE_PREPARED":case"COLLECT_FILE_STATISTICS":case"COPY_FILE_TO_PATH":case"DISCONNECT":case"DROP_FILE":case"DROP_FILES":case"FLUSH_FILES":case"INSERT_ARROW_FROM_IPC_STREAM":case"IMPORT_CSV_FROM_PATH":case"IMPORT_JSON_FROM_PATH":case"OPEN":case"PING":case"REGISTER_FILE_BUFFER":case"REGISTER_FILE_HANDLE":case"REGISTER_FILE_URL":case"RESET":if(r.type=="OK"){t.promiseResolver(r.data);return}break;case"INSTANTIATE":if(this._onInstantiationProgress=[],r.type=="OK"){t.promiseResolver(r.data);return}break;case"GLOB_FILE_INFOS":if(r.type=="FILE_INFOS"){t.promiseResolver(r.data);return}break;case"GET_VERSION":if(r.type=="VERSION_STRING"){t.promiseResolver(r.data);return}break;case"GET_FEATURE_FLAGS":if(r.type=="FEATURE_FLAGS"){t.promiseResolver(r.data);return}break;case"GET_TABLE_NAMES":if(r.type=="TABLE_NAMES"){t.promiseResolver(r.data);return}break;case"TOKENIZE":if(r.type=="SCRIPT_TOKENS"){t.promiseResolver(r.data);return}break;case"COPY_FILE_TO_BUFFER":if(r.type=="FILE_BUFFER"){t.promiseResolver(r.data);return}break;case"EXPORT_FILE_STATISTICS":if(r.type=="FILE_STATISTICS"){t.promiseResolver(r.data);return}break;case"CONNECT":if(r.type=="CONNECTION_INFO"){t.promiseResolver(r.data);return}break;case"RUN_PREPARED":case"RUN_QUERY":if(r.type=="QUERY_RESULT"){t.promiseResolver(r.data);return}break;case"SEND_PREPARED":if(r.type=="QUERY_RESULT_HEADER"){t.promiseResolver(r.data);return}break;case"START_PENDING_QUERY":if(r.type=="QUERY_RESULT_HEADER_OR_NULL"){t.promiseResolver(r.data);return}break;case"POLL_PENDING_QUERY":if(r.type=="QUERY_RESULT_HEADER_OR_NULL"){t.promiseResolver(r.data);return}break;case"CANCEL_PENDING_QUERY":if(this._onInstantiationProgress=[],r.type=="SUCCESS"){t.promiseResolver(r.data);return}break;case"FETCH_QUERY_RESULTS":if(r.type=="QUERY_RESULT_CHUNK"){t.promiseResolver(r.data);return}break;case"CREATE_PREPARED":if(r.type=="PREPARED_STATEMENT_ID"){t.promiseResolver(r.data);return}break}t.promiseRejecter(new Error("unexpected response type: ".concat(r.type.toString())))}onError(e){console.error(e),console.error("error in duckdb worker: ".concat(e.message)),this._pendingRequests.clear()}onClose(){if(this._workerShutdownResolver(null),this._pendingRequests.size!=0){console.warn("worker terminated with ".concat(this._pendingRequests.size," pending requests"));return}this._pendingRequests.clear()}async reset(){let e=new a("RESET",null);return await this.postTask(e)}async ping(){let e=new a("PING",null);await this.postTask(e)}async dropFile(e){let r=new a("DROP_FILE",e);return await this.postTask(r)}async dropFiles(){let e=new a("DROP_FILES",null);return await this.postTask(e)}async flushFiles(){let e=new a("FLUSH_FILES",null);return await this.postTask(e)}async instantiate(e,r=null,t=o=>{}){this._onInstantiationProgress.push(t);let o=new a("INSTANTIATE",[e,r]);return await this.postTask(o)}async getVersion(){let e=new a("GET_VERSION",null);return await this.postTask(e)}async getFeatureFlags(){let e=new a("GET_FEATURE_FLAGS",null);return await this.postTask(e)}async open(e){let r=new a("OPEN",e);await this.postTask(r)}async tokenize(e){let r=new a("TOKENIZE",e);return await this.postTask(r)}async connectInternal(){let e=new a("CONNECT",null);return await this.postTask(e)}async connect(){let e=await this.connectInternal();return new E(this,e)}async disconnect(e){let r=new a("DISCONNECT",e);await this.postTask(r)}async runQuery(e,r){let t=new a("RUN_QUERY",[e,r]);return await this.postTask(t)}async startPendingQuery(e,r){let t=new a("START_PENDING_QUERY",[e,r]);return await this.postTask(t)}async pollPendingQuery(e){let r=new a("POLL_PENDING_QUERY",e);return await this.postTask(r)}async cancelPendingQuery(e){let r=new a("CANCEL_PENDING_QUERY",e);return await this.postTask(r)}async fetchQueryResults(e){let r=new a("FETCH_QUERY_RESULTS",e);return await this.postTask(r)}async getTableNames(e,r){let t=new a("GET_TABLE_NAMES",[e,r]);return await 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A=class{constructor(){this._bindings=null;this._nextMessageId=0}log(e){this.postMessage({messageId:this._nextMessageId++,requestId:0,type:"LOG",data:e},[])}sendOK(e){this.postMessage({messageId:this._nextMessageId++,requestId:e.messageId,type:"OK",data:null},[])}failWith(e,r){let t={name:r.name,message:r.message,stack:r.stack||void 0};this.postMessage({messageId:this._nextMessageId++,requestId:e.messageId,type:"ERROR",data:t},[])}async onMessage(e){switch(e.type){case"PING":this.sendOK(e);return;case"INSTANTIATE":this._bindings!=null&&this.failWith(e,new Error("duckdb already initialized"));try{this._bindings=await this.instantiate(e.data[0],e.data[1],r=>{this.postMessage({messageId:this._nextMessageId++,requestId:e.messageId,type:"INSTANTIATE_PROGRESS",data:r},[])}),this.sendOK(e)}catch(r){console.log(r),this._bindings=null,this.failWith(e,r)}return;default:break}if(!this._bindings)return this.failWith(e,new Error("duckdb is not 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