eve/dist/src/channel/cross-channel-receive.js

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

import{isCompiledChannel}from"#channel/compiled-channel.js";import{createSendFn}from"#channel/send.js";function toCrossChannelTargets(e){return e.flatMap(e=>e.definition===void 0?[]:[{name:e.name,definition:e.definition,receive:e.receive,adapter:e.adapter}])}function createCrossChannelReceiveFn(e,t){return async(n,r)=>{let i=resolveTargetByReference(n,t);return await invokeChannelReceive({runtime:e,target:i,input:{message:r.message,target:r.target,auth:r.auth},describeMissingReceive:()=>`args.receive(): channel "${i.name}" does not implement receive(). Declare a receive hook on the channel to accept cross-channel sessions.`,describeMissingAdapter:()=>`args.receive(): channel "${i.name}" has no adapter — cannot build send().`})}}async function invokeChannelReceive(e){if(!e.target.receive)throw Error(e.describeMissingReceive());if(!e.target.adapter)throw Error(e.describeMissingAdapter());let n=createSendFn(e.runtime,e.target.adapter,e.target.name);return await e.target.receive(e.input,{send:n})}function resolveTargetByReference(e,t){for(let n of t)if(n.definition===e)return n;let n=resolveTargetByRouteFingerprint(e,t);if(n!==null)return n;throw Error(`args.receive(): the channel passed as the first argument is not registered in this agent's channels/. Import the channel module's default export from agent/channels/<name>.ts and pass that value.`)}function resolveTargetByRouteFingerprint(t,n){if(!isCompiledChannel(t))return null;let r=createRouteFingerprint(t);if(r===null)return null;let i=new Map;for(let e of n)createRouteFingerprint(e.definition)===r&&i.set(e.name,e);if(i.size===1)return[...i.values()][0];if(i.size>1)throw Error(`args.receive(): the channel passed as the first argument matches multiple registered channels by route shape. Import a channel with a unique route set from agent/channels/<name>.ts before passing it to args.receive().`);return null}function createRouteFingerprint(e){return e.routes.length===0?null:e.routes.map(e=>`${e.method.toUpperCase()} ${e.path}`).sort().join(`
`)}export{createCrossChannelReceiveFn,invokeChannelReceive,toCrossChannelTargets};