eve/dist/src/execution/tools/workflow/body.js

Filesystem-first framework for durable backend AI agents that run anywhere.

import{getWorkflowMetadata}from"#compiled/@workflow/core/index.js";import{resumeHookStep}from"#execution/tools/workflow/resume-hook-step.js";import{createTaskMessage}from"#tools/task.js";import{ask,attachWorkflowToolRunContext}from"#execution/tools/workflow/ask.js";import{agent}from"#execution/tools/subagent/invoke-agent.js";import"#execution/tools/workflow/messages.js";import{normalizeSerializableError}from"#execution/workflow-errors.js";import{readRegisteredWorkflow}from"#execution/workflow-registry.js";async function executeWorkflowBody(e,t){let n=createWorkflowBodyRef(e),r=createWorkflowBodyContext(e,t);attachWorkflowToolRunContext(r,{from:n,owner:e.owner,authorizationSupported:e.execution===`blocking`||e.authorizationSupported===!0});let i=0;try{let t=resolveWorkflowToolExecute(e),a=e.execution===`background`?createWorkflowTaskExec(e):void 0,o=t(e.executeInput??e.input,r,a),s;if(!isAsyncIterable(o))s=await o;else{let t=o[Symbol.asyncIterator](),r,a=await t.next();for(;a.done!==!0;){r=a.value;let o={from:n,update:a.value};await resumeHookStep(e.owner.inbox,{kind:`report`,...o}),i+=1,a=await t.next()}s=a.value??(e.execution===`blocking`?r:void 0)??null}return{outcome:{output:s,status:`completed`},reportCount:i}}catch(e){return t.aborted?{outcome:{reason:t.reason instanceof Error?t.reason.message:String(t.reason??``),status:`cancelled`},reportCount:i}:{outcome:{error:normalizeSerializableError(e),status:`failed`},reportCount:i}}}function createWorkflowBodyRef(e){return{callId:e.callId,execution:e.execution,input:e.input,resultKind:e.resultKind,runId:e.runId??getWorkflowMetadata().workflowRunId,sequence:e.session.turn.sequence,stepIndex:e.stepIndex,toolName:e.toolName,turnId:e.session.turn.id}}function resolveWorkflowToolExecute(e){let t=readRegisteredWorkflow(e.workflowId);if(typeof t!=`function`)throw Error(`Tool "${e.toolName}" is not registered as a workflow in this deployment (${e.workflowId}). The tool was renamed or removed after this run started.`);return t}function createWorkflowBodyContext(e,t){let unavailable=(t,n)=>{throw Error(`ctx.${t} is not available inside a workflow tool; ${n}. Tool "${e.toolName}" runs as a durable workflow body, which only replays deterministic code.`)},n={agent:((e,t)=>agent(n,e,t)),ask:e=>ask(n,e),abortSignal:t,callId:e.callId,getSandbox:()=>unavailable(`getSandbox()`,`the session sandbox belongs to the turn`),getSkill:()=>unavailable(`getSkill()`,`skills are read through the session sandbox`),getToken:()=>unavailable(`getToken()`,`pass ctx directly to a "use step" helper to resolve credentials`),requireAuth:()=>unavailable(`requireAuth()`,`pass ctx directly to a "use step" helper to request authorization`),session:e.session,toolName:e.toolName};return n}function createWorkflowTaskExec(e){if(e.taskId===void 0)throw Error(`Background workflow tool "${e.toolName}" has no task id.`);return{binding:{taskId:e.taskId,token:e.taskId},postMessage:createTaskMessage,send(){throw Error(`task.send() was replaced by yielded task descriptors.`)},session:void 0,task:void 0,taskId:e.taskId}}function isAsyncIterable(e){return typeof e==`object`&&!!e&&typeof e[Symbol.asyncIterator]==`function`}export{createWorkflowBodyRef,executeWorkflowBody};