eve/dist/src/evals/runner/reporters/braintrust.js

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

import{resolveLocalGitMetadata}from"#evals/runner/resolve-git-metadata.js";function Braintrust(e={}){return new BraintrustReporter(e)}var BraintrustReporter=class{#e;#t;#n;#r=new Map;constructor(e){this.#e=e}async onRunStart(t,n){let r=await loadBraintrustSdk();this.#t=r;let i=resolveLocalGitMetadata(process.cwd());this.#r.clear();for(let e of t)this.#r.set(e.id,e);let a=resolveTags(t,n),o=resolveExperimentMetadata(t,n);this.#n=await r.init({project:this.#e.projectName??t[0]?.id??`eve evals`,projectId:this.#e.projectId,experiment:this.#e.experimentName,baseExperiment:this.#e.baseExperimentName,baseExperimentId:this.#e.baseExperimentId,update:this.#e.update,tags:a,metadata:o,noExitFlush:!0,setCurrent:!1,repoInfo:i.sha?{commit:i.sha,branch:i.branch}:null})}onEvalComplete(e){if(!this.#n)return;let t=this.#r.get(e.id),n={};for(let t of e.assertions){let e=t.severity===`gate`?`gate:${t.name}`:t.name;n[e]=t.score}let r=e.assertions.filter(e=>!e.passed).map(e=>({name:e.name,message:e.message})),i={...t?.metadata,eveSessionId:e.result.sessionId,eveStatus:e.result.status,eveVerdict:e.verdict,eveSkipReason:e.skipReason,eveToolCalls:e.result.derived.toolCalls.map(e=>e.name),eveSubagentCalls:e.result.derived.subagentCalls.map(e=>e.name),eveParked:e.result.derived.parked};r.length>0&&(i.eveFailedAssertions=r),e.result.derived.failureCode&&(i.eveFailureCode=e.result.derived.failureCode);let a={toolCallCount:e.result.derived.toolCallCount,subagentCallCount:e.result.derived.subagentCallCount,messageCount:e.result.derived.messageCount,reasoningBlockCount:e.result.derived.reasoningBlockCount};this.#n.log({id:e.id,input:t?.description??``,output:e.result.output,error:e.error??void 0,scores:n,metadata:i,metrics:a,tags:t?.tags?[...t.tags]:void 0})}async onRunComplete(e){if(this.#n)try{this.#t&&await this.#t.flush();let e=await this.#n.summarize();e.experimentUrl&&console.log(`Braintrust experiment: ${e.experimentUrl}\n\n`)}finally{await this.#n.close(),this.#n=void 0,this.#t=void 0}}};async function loadBraintrustSdk(){try{return await import(`braintrust`)}catch{throw Error([`The 'braintrust' package is required for Braintrust reporting but was not found.`,``,`Install it with:`,`  npm install braintrust`].join(`
`))}}function resolveTags(e,t){let n=new Set([`eve`,`target:${t.kind}`]);for(let t of e){n.add(`eval:${t.id}`);for(let e of t.tags??[])n.add(e)}return[...n]}function resolveExperimentMetadata(e,t){return{eveEvalIds:e.map(e=>e.id),eveTargetKind:t.kind,eveTargetUrl:t.url,eveTimestamp:new Date().toISOString()}}export{Braintrust};