eve
Version:
Filesystem-first framework for durable backend AI agents that run anywhere.
1 lines • 3.16 kB
JavaScript
import{prewarmAppSandboxes}from"./prewarm.js";import{toErrorMessage}from"#shared/errors.js";import{getRuntimeCompiledArtifactsAppRoot,getRuntimeCompiledArtifactsSandboxAppRoot}from"#runtime/compiled-artifacts-source.js";const pendingDevelopmentPrewarms=new Map,retainedDevelopmentPrewarmLogs=new Map,completedDevelopmentPrewarmSignatures=new Map;function startDevelopmentSandboxPrewarmInBackground(n){let r=resolvePrewarmKeys(n),o=findPendingPrewarm(r);if(o!==void 0){registerPrewarmAliases(r,o);return}let s={logs:[],promise:Promise.resolve(),subscribers:new Set};for(let e of r)retainedDevelopmentPrewarmLogs.delete(e);let c=resolvePrewarmSignatureCacheKey(n),l=prewarmAppSandboxes({appRoot:n.appRoot,compiledArtifactsSource:n.compiledArtifactsSource,log:e=>recordPrewarmLog(s,e,n.log),onPrewarmSignature:e=>{completedDevelopmentPrewarmSignatures.set(c,e)},shouldPrewarmSignature:e=>completedDevelopmentPrewarmSignatures.get(c)!==e});s.promise=l,registerPrewarmAliases(r,s),l.catch(e=>{recordPrewarmLog(s,`eve: failed to initialize sandbox templates in the background: ${toErrorMessage(e)}`,n.log)}).finally(()=>{for(let e of r)pendingDevelopmentPrewarms.get(e)===s&&pendingDevelopmentPrewarms.delete(e),s.subscribers.size===0&&s.logs.length>0&&retainedDevelopmentPrewarmLogs.set(e,[...s.logs])})}function subscribeDevelopmentSandboxPrewarmLogs(e){let t=findPendingPrewarm([e.appRoot]);if(t!==void 0){for(let n of t.logs)e.log(n);return t.subscribers.add(e.log),()=>t.subscribers.delete(e.log)}let n=retainedDevelopmentPrewarmLogs.get(e.appRoot);if(n===void 0)return()=>{};retainedDevelopmentPrewarmLogs.delete(e.appRoot);for(let t of n)e.log(t);return()=>{}}async function waitForDevelopmentSandboxPrewarm(e){let t=findPendingPrewarm(resolvePrewarmKeys(e));if(t===void 0)return;let unsubscribe;if(e.log!==void 0){for(let n of t.logs)e.log(n);let subscriber=t=>e.log?.(t);t.subscribers.add(subscriber),unsubscribe=()=>t.subscribers.delete(subscriber)}try{await withProgressHeartbeat(`waiting for background sandbox template prewarm`,e.log,()=>t.promise)}finally{unsubscribe?.()}}function resolvePrewarmKeys(e){let t=new Set([e.appRoot]),i=getRuntimeCompiledArtifactsAppRoot(e.compiledArtifactsSource);i!==void 0&&t.add(i);let a=getRuntimeCompiledArtifactsSandboxAppRoot(e.compiledArtifactsSource);return a!==void 0&&t.add(a),[...t]}function resolvePrewarmSignatureCacheKey(e){return getRuntimeCompiledArtifactsSandboxAppRoot(e.compiledArtifactsSource)??e.appRoot}function findPendingPrewarm(e){for(let t of e){let e=pendingDevelopmentPrewarms.get(t);if(e!==void 0)return e}}function registerPrewarmAliases(e,t){for(let n of e)pendingDevelopmentPrewarms.set(n,t)}function recordPrewarmLog(e,t,n){e.logs.push(t),e.logs.length>50&&e.logs.splice(0,e.logs.length-50),n?.(t);for(let n of e.subscribers)n(t)}async function withProgressHeartbeat(e,t,n){if(t===void 0)return await n();let r=Date.now(),i=setInterval(()=>{t(`${e} (${Math.round((Date.now()-r)/1e3)}s elapsed)`)},1e4);i.unref?.();try{return await n()}finally{clearInterval(i)}}export{startDevelopmentSandboxPrewarmInBackground,subscribeDevelopmentSandboxPrewarmLogs,waitForDevelopmentSandboxPrewarm};