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must contain at least one part")})).nonempty("Messages array must not be empty"))),(0,o.hK)({prefix:"aiobj",size:24});var U=class{constructor(){this.queue=[],this.isProcessing=!1}async processQueue(){if(!this.isProcessing){for(this.isProcessing=!0;this.queue.length>0;)await this.queue[0](),this.queue.shift();this.isProcessing=!1}}async run(e){return new Promise((t,a)=>{this.queue.push(async()=>{try{await e(),t()}catch(e){a(e)}}),this.processQueue()})}};(0,o.hK)({prefix:"aiobj",size:24});Symbol.for("vercel.ai.error.AI_NoSuchProviderError");async function W(e){if(null==e)return[];if(!globalThis.FileList||!(e instanceof globalThis.FileList))throw Error("FileList is not supported in the current environment");return Promise.all(Array.from(e).map(async e=>{let{name:t,type:a}=e;return{type:"file",mediaType:a,filename:t,url:await new Promise((t,a)=>{let r=new FileReader;r.onload=e=>{var a;t(null==(a=e.target)?void 0:a.result)},r.onerror=e=>a(e),r.readAsDataURL(e)})}}))}s.eM,s.bD;var J=class{constructor({api:e="/api/chat",credentials:t,headers:a,body:r,fetch:o,prepareSendMessagesRequest:s,prepareReconnectToStreamRequest:i}){this.api=e,this.credentials=t,this.headers=a,this.body=r,this.fetch=o,this.prepareSendMessagesRequest=s,this.prepareReconnectToStreamRequest=i}async sendMessages({abortSignal:e,...t}){var a,r,s,i,l;let n=await (0,o.hd)(this.body),p=await (0,o.hd)(this.headers),u=await (0,o.hd)(this.credentials),d={...(0,o.qx)(p),...(0,o.qx)(t.headers)},c=await (null==(a=this.prepareSendMessagesRequest)?void 0:a.call(this,{api:this.api,id:t.chatId,messages:t.messages,body:{...n,...t.body},headers:d,credentials:u,requestMetadata:t.metadata,trigger:t.trigger,messageId:t.messageId})),g=null!=(r=null==c?void 0:c.api)?r:this.api,h=(null==c?void 0:c.headers)!==void 0?(0,o.qx)(c.headers):d,v=(null==c?void 0:c.body)!==void 0?c.body:{...n,...t.body,id:t.chatId,messages:t.messages,trigger:t.trigger,messageId:t.messageId},b=null!=(s=null==c?void 0:c.credentials)?s:u,y=null!=(i=this.fetch)?i:globalThis.fetch,I=await y(g,{method:"POST",headers:(0,o.WZ)({"Content-Type":"application/json",...h},`ai-sdk/${m}`,(0,o.G1)()),body:JSON.stringify(v),credentials:b,signal:e});if(!I.ok)throw Error(null!=(l=await I.text())?l:"Failed to fetch the chat response.");if(!I.body)throw Error("The response body is empty.");return this.processResponseStream(I.body)}async reconnectToStream(e){var t,a,r,s,i;let l=await (0,o.hd)(this.body),n=await (0,o.hd)(this.headers),p=await (0,o.hd)(this.credentials),u={...(0,o.qx)(n),...(0,o.qx)(e.headers)},d=await (null==(t=this.prepareReconnectToStreamRequest)?void 0:t.call(this,{api:this.api,id:e.chatId,body:{...l,...e.body},headers:u,credentials:p,requestMetadata:e.metadata})),c=null!=(a=null==d?void 0:d.api)?a:`${this.api}/${e.chatId}/stream`,g=(null==d?void 0:d.headers)!==void 0?(0,o.qx)(d.headers):u,h=null!=(r=null==d?void 0:d.credentials)?r:p,v=null!=(s=this.fetch)?s:globalThis.fetch,b=await v(c,{method:"GET",headers:(0,o.WZ)(g,`ai-sdk/${m}`,(0,o.G1)()),credentials:h});if(204===b.status)return null;if(!b.ok)throw Error(null!=(i=await b.text())?i:"Failed to fetch the chat response.");if(!b.body)throw Error("The response body is empty.");return this.processResponseStream(b.body)}},Y=class extends J{constructor(e={}){super(e)}processResponseStream(e){return(0,o._Z)({stream:e,schema:P}).pipeThrough(new TransformStream({async transform(e,t){if(!e.success)throw e.error;t.enqueue(e.value)}}))}},V=class{constructor({generateId:e=o.$C,id:t=e(),transport:a=new Y,messageMetadataSchema:r,dataPartSchemas:s,state:i,onError:l,onToolCall:n,onFinish:p,onData:u,sendAutomaticallyWhen:d}){this.activeResponse=void 0,this.jobExecutor=new U,this.sendMessage=async(e,t)=>{var a,r,o,s;let i;
1if(null==e)return void await this.makeRequest({trigger:"submit-message",messageId:null==(a=this.lastMessage)?void 0:a.id,...t});if(i="text"in e||"files"in e?{parts:[...Array.isArray(e.files)?e.files:await W(e.files),..."text"in e&&null!=e.text?[{type:"text",text:e.text}]:[]]}:e,null!=e.messageId){let t=this.state.messages.findIndex(t=>t.id===e.messageId);if(-1===t)throw Error(`message with id ${e.messageId} not found`);if("user"!==this.state.messages[t].role)throw Error(`message with id ${e.messageId} is not a user message`);this.state.messages=this.state.messages.slice(0,t+1),this.state.replaceMessage(t,{...i,id:e.messageId,role:null!=(r=i.role)?r:"user",metadata:e.metadata})}else this.state.pushMessage({...i,id:null!=(o=i.id)?o:this.generateId(),role:null!=(s=i.role)?s:"user",metadata:e.metadata});await this.makeRequest({trigger:"submit-message",messageId:e.messageId,...t})},this.regenerate=async({messageId:e,...t}={})=>{let a=null==e?this.state.messages.length-1:this.state.messages.findIndex(t=>t.id===e);if(-1===a)throw Error(`message ${e} not found`);this.state.messages=this.state.messages.slice(0,"assistant"===this.messages[a].role?a:a+1),await this.makeRequest({trigger:"regenerate-message",messageId:e,...t})},this.resumeStream=async(e={})=>{await this.makeRequest({trigger:"resume-stream",...e})},this.clearError=()=>{"error"===this.status&&(this.state.error=void 0,this.setStatus({status:"ready"}))},this.addToolApprovalResponse=async({id:e,approved:t,reason:a})=>this.jobExecutor.run(async()=>{var r,o;let s=this.state.messages,i=s[s.length-1],l=r=>q(r)&&"approval-requested"===r.state&&r.approval.id===e?{...r,state:"approval-responded",approval:{id:e,approved:t,reason:a}}:r;this.state.replaceMessage(s.length-1,{...i,parts:i.parts.map(l)}),this.activeResponse&&(this.activeResponse.state.message.parts=this.activeResponse.state.message.parts.map(l)),"streaming"!==this.status&&"submitted"!==this.status&&(null==(r=this.sendAutomaticallyWhen)?void 0:r.call(this,{messages:this.state.messages}))&&this.makeRequest({trigger:"submit-message",messageId:null==(o=this.lastMessage)?void 0:o.id})}),this.addToolOutput=async({state:e="output-available",tool:t,toolCallId:a,output:r,errorText:o})=>this.jobExecutor.run(async()=>{var t,s;let i=this.state.messages,l=i[i.length-1],n=t=>q(t)&&t.toolCallId===a?{...t,state:e,output:r,errorText:o}:t;this.state.replaceMessage(i.length-1,{...l,parts:l.parts.map(n)}),this.activeResponse&&(this.activeResponse.state.message.parts=this.activeResponse.state.message.parts.map(n)),"streaming"!==this.status&&"submitted"!==this.status&&(null==(t=this.sendAutomaticallyWhen)?void 0:t.call(this,{messages:this.state.messages}))&&this.makeRequest({trigger:"submit-message",messageId:null==(s=this.lastMessage)?void 0:s.id})}),this.addToolResult=this.addToolOutput,this.stop=async()=>{var e;("streaming"===this.status||"submitted"===this.status)&&(null==(e=this.activeResponse)?void 0:e.abortController)&&this.activeResponse.abortController.abort()},this.id=t,this.transport=a,this.generateId=e,this.messageMetadataSchema=r,this.dataPartSchemas=s,this.state=i,this.onError=l,this.onToolCall=n,this.onFinish=p,this.onData=u,this.sendAutomaticallyWhen=d}get status(){return this.state.status}setStatus({status:e,error:t}){this.status!==e&&(this.state.status=e,this.state.error=t)}get error(){return this.state.error}get messages(){return this.state.messages}get lastMessage(){return this.state.messages[this.state.messages.length-1]}set messages(e){this.state.messages=e}async makeRequest({trigger:e,metadata:t,headers:a,body:r,messageId:s}){var i,l,n,p;this.setStatus({status:"submitted",error:void 0});let u=this.lastMessage,d=!1,c=!1,m=!1;try{let i,l={state:function({lastMessage:e,messageId:t}){return{message:(null==e?void 0:e.role)==="assistant"?e:{id:t,metadata:void 0,role:"assistant",parts:[]},activeTextParts:{},activeReasoningParts:{},partialToolCalls:{}}}({lastMessage:this.state.snapshot(u),messageId:this.generateId()}),abortController:new AbortController};if(l.abortController.signal.addEventListener("abort",()=>{d=!0}
1),this.activeResponse=l,"resume-stream"===e){let e=await this.transport.reconnectToStream({chatId:this.id,metadata:t,headers:a,body:r});if(null==e)return void this.setStatus({status:"ready"});i=e}else i=await this.transport.sendMessages({chatId:this.id,messages:this.state.messages,abortSignal:l.abortController.signal,metadata:t,headers:a,body:r,trigger:e,messageId:s});let n=e=>this.jobExecutor.run(()=>e({state:l.state,write:()=>{var e;this.setStatus({status:"streaming"}),l.state.message.id===(null==(e=this.lastMessage)?void 0:e.id)?this.state.replaceMessage(this.state.messages.length-1,l.state.message):this.state.pushMessage(l.state.message)}}));await B({stream:function({stream:e,messageMetadataSchema:t,dataPartSchemas:a,runUpdateMessageJob:r,onError:s,onToolCall:i,onData:l}){return e.pipeThrough(new TransformStream({async transform(e,n){await r(async({state:r,write:p})=>{var u,d,c,m;function g(e){let t=r.message.parts.filter(q).find(t=>t.toolCallId===e);if(null==t)throw Error(`no tool invocation found for tool call ${e}`);return t}function h(e){var t;let a=r.message.parts.find(t=>F(t)&&t.toolCallId===e.toolCallId);null!=a?(a.state=e.state,a.input=e.input,a.output=e.output,a.errorText=e.errorText,a.rawInput=e.rawInput,a.preliminary=e.preliminary,void 0!==e.title&&(a.title=e.title),a.providerExecuted=null!=(t=e.providerExecuted)?t:a.providerExecuted,null!=e.providerMetadata&&"input-available"===a.state&&(a.callProviderMetadata=e.providerMetadata)):r.message.parts.push({type:`tool-${e.toolName}`,toolCallId:e.toolCallId,state:e.state,title:e.title,input:e.input,output:e.output,rawInput:e.rawInput,errorText:e.errorText,providerExecuted:e.providerExecuted,preliminary:e.preliminary,...null!=e.providerMetadata?{callProviderMetadata:e.providerMetadata}:{}})}function v(e){var t,a;let o=r.message.parts.find(t=>"dynamic-tool"===t.type&&t.toolCallId===e.toolCallId);null!=o?(o.state=e.state,o.toolName=e.toolName,o.input=e.input,o.output=e.output,o.errorText=e.errorText,o.rawInput=null!=(t=e.rawInput)?t:o.rawInput,o.preliminary=e.preliminary,void 0!==e.title&&(o.title=e.title),o.providerExecuted=null!=(a=e.providerExecuted)?a:o.providerExecuted,null!=e.providerMetadata&&"input-available"===o.state&&(o.callProviderMetadata=e.providerMetadata)):r.message.parts.push({type:"dynamic-tool",toolName:e.toolName,toolCallId:e.toolCallId,state:e.state,input:e.input,output:e.output,errorText:e.errorText,preliminary:e.preliminary,providerExecuted:e.providerExecuted,title:e.title,...null!=e.providerMetadata?{callProviderMetadata:e.providerMetadata}:{}})}async function b(e){if(null!=e){let a=null!=r.message.metadata?function e(t,a){if(void 0===t&&void 0===a)return;if(void 0===t)return a;
1if(void 0===a)return t;let r={...t};for(let o in a)if(Object.prototype.hasOwnProperty.call(a,o)){let s=a[o];if(void 0===s)continue;let i=o in t?t[o]:void 0,l=null!==s&&"object"==typeof s&&!Array.isArray(s)&&!(s instanceof Date)&&!(s instanceof RegExp),n=null!=i&&"object"==typeof i&&!Array.isArray(i)&&!(i instanceof Date)&&!(i instanceof RegExp);l&&n?r[o]=e(i,s):r[o]=s}return r}(r.message.metadata,e):e;null!=t&&await (0,o.k5)({value:a,schema:t}),r.message.metadata=a}}switch(e.type){case"text-start":{let t={type:"text",text:"",providerMetadata:e.providerMetadata,state:"streaming"};r.activeTextParts[e.id]=t,r.message.parts.push(t),p();break}case"text-delta":{let t=r.activeTextParts[e.id];t.text+=e.delta,t.providerMetadata=null!=(u=e.providerMetadata)?u:t.providerMetadata,p();break}case"text-end":{let t=r.activeTextParts[e.id];t.state="done",t.providerMetadata=null!=(d=e.providerMetadata)?d:t.providerMetadata,delete r.activeTextParts[e.id],p();break}case"reasoning-start":{let t={type:"reasoning",text:"",providerMetadata:e.providerMetadata,state:"streaming"};r.activeReasoningParts[e.id]=t,r.message.parts.push(t),p();break}case"reasoning-delta":{let t=r.activeReasoningParts[e.id];t.text+=e.delta,t.providerMetadata=null!=(c=e.providerMetadata)?c:t.providerMetadata,p();break}case"reasoning-end":{let t=r.activeReasoningParts[e.id];t.providerMetadata=null!=(m=e.providerMetadata)?m:t.providerMetadata,t.state="done",delete r.activeReasoningParts[e.id],p();break}case"file":r.message.parts.push({type:"file",mediaType:e.mediaType,url:e.url}),p();break;case"source-url":r.message.parts.push({type:"source-url",sourceId:e.sourceId,url:e.url,title:e.title,providerMetadata:e.providerMetadata}),p();break;case"source-document":r.message.parts.push({type:"source-document",sourceId:e.sourceId,mediaType:e.mediaType,title:e.title,filename:e.filename,providerMetadata:e.providerMetadata}),p();break;case"tool-input-start":{let t=r.message.parts.filter(F);r.partialToolCalls[e.toolCallId]={text:"",toolName:e.toolName,index:t.length,dynamic:e.dynamic,title:e.title},e.dynamic?v({toolCallId:e.toolCallId,toolName:e.toolName,state:"input-streaming",input:void 0,providerExecuted:e.providerExecuted,title:e.title}):h({toolCallId:e.toolCallId,toolName:e.toolName,state:"input-streaming",input:void 0,providerExecuted:e.providerExecuted,title:e.title}),p();break}case"tool-input-delta":{let t=r.partialToolCalls[e.toolCallId];t.text+=e.inputTextDelta;let{value:a}=await C(t.text);t.dynamic?v({toolCallId:e.toolCallId,toolName:t.toolName,state:"input-streaming",input:a,title:t.title}):h({toolCallId:e.toolCallId,toolName:t.toolName,state:"input-streaming",input:a,title:t.title}),p();break}case"tool-input-available":e.dynamic?v({toolCallId:e.toolCallId,toolName:e.toolName,state:"input-available",input:e.input,providerExecuted:e.providerExecuted,providerMetadata:e.providerMetadata,title:e.title}):h({toolCallId:e.toolCallId,toolName:e.toolName,state:"input-available",input:e.input,providerExecuted:e.providerExecuted,providerMetadata:e.providerMetadata,title:e.title}),p(),i&&!e.providerExecuted&&await i({toolCall:e});break;case"tool-input-error":e.dynamic?v({toolCallId:e.toolCallId,toolName:e.toolName,state:"output-error",input:e.input,errorText:e.errorText,providerExecuted:e.providerExecuted,providerMetadata:e.providerMetadata}):h({toolCallId:e.toolCallId,toolName:e.toolName,state:"output-error",input:void 0,rawInput:e.input,errorText:e.errorText,providerExecuted:e.providerExecuted,providerMetadata:e.providerMetadata}),p();break;case"tool-approval-request":{let t=g(e.toolCallId);t.state="approval-requested",t.approval={id:e.approvalId},p();break}case"tool-output-denied":g(e.toolCallId).state="output-denied",p();break;case"tool-output-available":{let t=g(e.toolCallId);"dynamic-tool"===t.type?v({toolCallId:e.toolCallId,toolName:t.toolName,state:"output-available",input:t.input,output:e.output,preliminary:e.preliminary,providerExecuted:e.providerExecuted,title:t.title}):h({toolCallId:e.toolCallId,toolName:L(t),state:"output-available",input:t.input,output:e.output,providerExecuted:e.providerExecuted,preliminary:e.preliminary,title:t.title}),p();break}case"tool-output-error":{let t=g(e.toolCallId);"dynamic-tool"===t.type?v({toolCallId:e.toolCallId,toolName:t.toolName,state:"output-error",input:t.input,errorText:e.errorText,providerExecuted:e.providerExecuted,title:t.title}):h({toolCallId:e.toolCallId,toolName:L(t),state:"output-error",input:t.input,rawInput:t.rawInput,errorText:e.errorText,providerExecuted:e.providerExecuted,title:t.title}),p();break}case"start-step":r.message.parts.push({type:"step-start"});break;case"finish-step":r.activeTextParts={},r.activeReasoningParts={};break;case"start":null!=e.messageId&&(r.message.id=e.messageId),await b(e.messageMetadata),(null!=e.messageId||null!=e.messageMetadata)&&p();break;
1case"finish":null!=e.finishReason&&(r.finishReason=e.finishReason),await b(e.messageMetadata),null!=e.messageMetadata&&p();break;case"message-metadata":await b(e.messageMetadata),null!=e.messageMetadata&&p();break;case"error":null==s||s(Error(e.errorText));break;default:if(e.type.startsWith("data-")){if((null==a?void 0:a[e.type])!=null&&await (0,o.k5)({value:e.data,schema:a[e.type]}),e.transient){null==l||l(e);break}let t=null!=e.id?r.message.parts.find(t=>e.type===t.type&&e.id===t.id):void 0;null!=t?t.data=e.data:r.message.parts.push(e),null==l||l(e),p()}}n.enqueue(e)})}}))}({stream:i,onToolCall:this.onToolCall,onData:this.onData,messageMetadataSchema:this.messageMetadataSchema,dataPartSchemas:this.dataPartSchemas,runUpdateMessageJob:n,onError:e=>{throw e}}),onError:e=>{throw e}}),this.setStatus({status:"ready"})}catch(e){if(d||"AbortError"===e.name)return d=!0,this.setStatus({status:"ready"}),null;m=!0,e instanceof TypeError&&(e.message.toLowerCase().includes("fetch")||e.message.toLowerCase().includes("network"))&&(c=!0),this.onError&&e instanceof Error&&this.onError(e),this.setStatus({status:"error",error:e})}finally{try{null==(l=this.onFinish)||l.call(this,{message:this.activeResponse.state.message,messages:this.state.messages,isAbort:d,isDisconnect:c,isError:m,finishReason:null==(i=this.activeResponse)?void 0:i.state.finishReason})}catch(e){console.error(e)}this.activeResponse=void 0}(null==(n=this.sendAutomaticallyWhen)?void 0:n.call(this,{messages:this.state.messages}))&&!m&&await this.makeRequest({trigger:"submit-message",messageId:null==(p=this.lastMessage)?void 0:p.id,metadata:t,headers:a,body:r})}};function $({messages:e}){let t=e[e.length-1];if(!t||"assistant"!==t.role)return!1;let a=t.parts.reduce((e,t,a)=>"step-start"===t.type?a:e,-1),r=t.parts.slice(a+1).filter(q).filter(e=>!e.providerExecuted);return r.length>0&&r.every(e=>"output-available"===e.state||"output-error"===e.state)}}}]);
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.