eve/dist/src/internal/application/build-profile.js

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

import{mkdir,readFile,readdir,writeFile}from"node:fs/promises";import{dirname,join,relative,sep}from"node:path";import{performance}from"node:perf_hooks";import{gzipSync}from"node:zlib";const APPLICATION_BUILD_PROFILE_SCHEMA_VERSION=1;function roundDuration(e){return Math.round(Math.max(0,e)*10)/10}function createMutableOutputSize(){return{files:0,gzipBytes:0,rawBytes:0}}function toOutputSize(e){return{files:e.files,gzipBytes:e.gzipBytes,rawBytes:e.rawBytes}}function toProfilePath(e,t){return relative(e,t).split(sep).join(`/`)}function measureFileSize(e){return{gzipBytes:gzipSync(e).byteLength,rawBytes:e.byteLength}}function addFileSize(e,t){e.files+=1,e.rawBytes+=t.rawBytes,e.gzipBytes+=t.gzipBytes}var ApplicationBuildProfiler=class{#e;#t=[];#n;#r=!1;constructor(e={}){this.#e=e.now??performance.now.bind(performance),this.#n=this.#e()}async measure(e,t){if(this.#r)throw Error(`Cannot record a phase after the build profile has finished.`);let n=this.#e();try{return await t()}finally{this.#t.push({durationMs:roundDuration(this.#e()-n),name:e})}}finish(){if(this.#r)throw Error(`The build profile has already finished.`);return this.#r=!0,{durationMs:roundDuration(this.#e()-this.#n),phases:[...this.#t]}}};function createApplicationBuildProfile(e){return{durationMs:e.timing.durationMs,kind:`eve-build-profile`,output:e.output,phases:e.timing.phases,schemaVersion:1,target:e.target}}async function measureApplicationBuildOutput(e){let t=createMutableOutputSize(),n=new Map,visit=async(r,i)=>{let a=await readdir(r,{withFileTypes:!0});for(let o of a){let a=join(r,o.name);if(o.isDirectory()){let t=o.name.endsWith(`.func`)?toProfilePath(e,a):i;await visit(a,t);continue}if(!o.isFile())continue;let s=measureFileSize(await readFile(a));if(addFileSize(t,s),i!==void 0){let e=n.get(i)??createMutableOutputSize();addFileSize(e,s),n.set(i,e)}}};return await visit(e,void 0),{...toOutputSize(t),functionBundles:[...n.entries()].map(([e,t])=>({path:e,...toOutputSize(t)})).sort((e,t)=>e.path.localeCompare(t.path))}}async function writeApplicationBuildProfile(e,t){await mkdir(dirname(e),{recursive:!0}),await writeFile(e,`${JSON.stringify(t,null,2)}\n`,`utf8`)}export{APPLICATION_BUILD_PROFILE_SCHEMA_VERSION,ApplicationBuildProfiler,createApplicationBuildProfile,measureApplicationBuildOutput,writeApplicationBuildProfile};