eve/dist/src/internal/workflow-bundle/builder-support.js

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

import{builtinModules}from"node:module";import{resolveWorkflowModulePath}from"#internal/application/package.js";import{existsSync}from"node:fs";import{dirname,join,relative,resolve}from"node:path";import{mkdir,readFile,readdir,rename,writeFile}from"node:fs/promises";import{EVE_WORKFLOW_QUEUE_NAMESPACE}from"#internal/workflow/queue-namespace.js";import{buildWithNitroRolldown,getSingleRolldownChunk}from"#internal/bundler/nitro-rolldown.js";import{WORKFLOW_STEP_EXTERNAL_PACKAGES}from"#internal/workflow-bundle/vercel-workflow-output.js";import{applyWorkflowTransform,getImportPath}from"#internal/workflow-bundle/workflow-builders.js";const WORKFLOW_VIRTUAL_ENTRY_ID=`\0eve-workflow-entry`,PSEUDO_PACKAGES=new Set([`server-only`,`client-only`,`next/dist/compiled/server-only`,`next/dist/compiled/client-only`]),NODE_BUILTIN_MODULES=new Set([...builtinModules,...builtinModules.map(e=>`node:${e}`)]),WORKFLOW_INPUT_EXTENSIONS=new Set([`.ts`,`.tsx`,`.mts`,`.cts`,`.js`,`.jsx`,`.mjs`,`.cjs`]),IGNORED_INPUT_DIRECTORIES=new Set([`node_modules`,`.git`,`.next`,`.nuxt`,`.output`,`.vercel`,`.workflow-data`,`.workflow-vitest`,`.well-known`,`.svelte-kit`,`.turbo`,`.cache`,`.yarn`,`.pnpm-store`]);async function collectWorkflowInputFiles(e){let t=[];async function visit(e){let n;try{n=await readdir(e,{withFileTypes:!0})}catch(e){if(e instanceof Error&&`code`in e&&e.code===`ENOENT`)return;throw e}for(let r of n){if(r.isDirectory()){IGNORED_INPUT_DIRECTORIES.has(r.name)||await visit(join(e,r.name));continue}if(!r.isFile())continue;let n=r.name.match(/\.[^.]+$/)?.[0];n!==void 0&&WORKFLOW_INPUT_EXTENSIONS.has(n)&&t.push(join(e,r.name))}}return await visit(e),t}function createWorkflowImport(e,t){let{importPath:n,isPackage:r}=getImportPath(e,t);return r?`import ${JSON.stringify(n)};`:`import ${JSON.stringify(toRelativeImportSpecifier(t,e))};`}function createWorkflowVirtualEntryPlugin(e){return{name:`eve-workflow-virtual-entry`,resolveId(e){if(e===`\0eve-workflow-entry`)return{id:e}},load(t){if(t===`\0eve-workflow-entry`)return{code:e,moduleSideEffects:!0,moduleType:`js`}}}}function createWorkflowPseudoPackagePlugin(){return{name:`eve-workflow-pseudo-packages`,resolveId(e){if(PSEUDO_PACKAGES.has(e))return{id:`\0eve-workflow-pseudo-package:${e}`}},load(e){if(e.startsWith(`\0eve-workflow-pseudo-package:`))return{code:``,moduleType:`js`}}}}function createWorkflowRuntimeAliasPlugin(){return{name:`eve-workflow-runtime-aliases`,resolveId(e){if(!(e!==`workflow`&&!e.startsWith(`workflow/`)))return resolveWorkflowModulePath(e)}}}function createEvePackageImportsPlugin(e,t={}){return{name:`eve-package-imports`,resolveId(n){let r=n.match(/^#compiled\/(.+)$/)?.[1];if(r!==void 0)return t.workflowCondition===!0&&r===`@workflow/core/index.js`?resolveFirstExistingPath([join(e,`src`,`internal`,`workflow-bundle`,`workflow-core-shim.ts`),join(e,`dist`,`src`,`internal`,`workflow-bundle`,`workflow-core-shim.js`)]):resolveFirstExistingPath([join(e,`.generated`,`compiled`,r),join(e,`dist`,`src`,`compiled`,r)]);let a=n.match(/^#(.+)\.js$/)?.[1];if(a!==void 0)return resolveFirstExistingPath([`.ts`,`.tsx`,`.mts`,`.cts`,`.js`,`.jsx`,`.mjs`,`.cjs`].flatMap(t=>[join(e,`src`,`${a}${t}`),join(e,`dist`,`src`,`${a}${t}`)]))}}}function createWorkflowTransformPlugin(e){let t=new Set(e.sideEffectFiles?.map(e=>e.replaceAll(`\\`,`/`))??[]);return{name:`eve-workflow-transform`,async load(n){if(!isJavaScriptLikePath(n))return;let r=await readFile(n,`utf8`),i=await applyWorkflowTransform(createManifestRelativeFilepath(e.workingDir,n),r.replace(/require\(\s*(['"])server-only\1\s*\)/g,`void 0`).replace(/require\(\s*(['"])client-only\1\s*\)/g,`void 0`),e.mode??`workflow`,n,e.projectRoot);return mergeWorkflowManifest(e.manifest,i.workflowManifest),{code:i.code,map:null,moduleSideEffects:t.has(n.replaceAll(`\\`,`/`))||void 0}}}}async function bundleWorkflowStepRegistrations(e){let t=[...e.discoveredEntries.discoveredSteps].sort(),n=new Set(t),r=[...e.discoveredEntries.discoveredSerdeFiles].sort().filter(e=>!n.has(e)),i={},a=[createWorkflowImport(e.builtinsPath,e.workingDir),...t.map(t=>createWorkflowImport(t,e.workingDir)),...r.map(t=>createWorkflowImport(t,e.workingDir)),`export const __steps_registered = true;`].join(`
`),o=getSingleRolldownChunk(await buildWithNitroRolldown({cwd:e.workingDir,input:WORKFLOW_VIRTUAL_ENTRY_ID,external:isWorkflowStepExternalPackage,platform:`node`,plugins:[createWorkflowVirtualEntryPlugin(a),createWorkflowPseudoPackagePlugin(),createWorkflowRuntimeAliasPlugin(),createEvePackageImportsPlugin(e.workingDir),createWorkflowTransformPlugin({manifest:i,mode:`step`,projectRoot:e.projectRoot,sideEffectFiles:[...t,...r],workingDir:e.workingDir})],resolve:{conditionNames:[`eve-source`,`node`,`import`,`default`],extensions:[`.ts`,`.tsx`,`.mts`,`.cts`,`.js`,`.jsx`,`.mjs`,`.cjs`],mainFields:[`module`,`main`]},tsconfig:e.tsconfigPath??!1,write:!1,output:{codeSplitting:!1,comments:!1,format:`esm`,sourcemap:`inline`}}),`step registrations bundle for "${e.outfile}"`);await writeWorkflowBundleAtomically(e.outfile,o.code)}function isWorkflowStepExternalPackage(e){return WORKFLOW_STEP_EXTERNAL_PACKAGES.some(t=>e===t||e.startsWith(`${t}/`))}function createWorkflowNodeBuiltinGuardPlugin(){return{name:`eve-workflow-node-builtins`,resolveId(e,t){let n=e.startsWith(`node:`)?e.slice(5):e;if(!NODE_BUILTIN_MODULES.has(e)&&!NODE_BUILTIN_MODULES.has(n))return;let r=t?` (imported by "${t}")`:``;throw Error(`Workflow bundle cannot import Node.js builtin "${e}"${r}. Move Node.js APIs behind a "use step" function, or keep the importing module out of the workflow driver body (only reachable through a "use step").`)}}}async function bundleFinalWorkflowOutput(e){let t=`// biome-ignore-all lint: generated file
/* eslint-disable */
import { workflowEntrypoint } from 'workflow/runtime';

const workflowCode = \`${(e.code.endsWith(`
`)?e.code:`${e.code}\n`).replace(/[\\`$]/g,`\\$&`)}\`;

export const POST = workflowEntrypoint(workflowCode, { namespace: ${JSON.stringify(EVE_WORKFLOW_QUEUE_NAMESPACE)} });`;if(!e.bundleFinalOutput){await writeWorkflowBundleAtomically(e.outfile,t);return}let n=getSingleRolldownChunk(await buildWithNitroRolldown({cwd:e.workingDir,input:WORKFLOW_VIRTUAL_ENTRY_ID,external:e=>e===`@aws-sdk/credential-provider-web-identity`,platform:`node`,plugins:[createWorkflowVirtualEntryPlugin(t)],write:!1,output:{comments:!1,format:e.format,sourcemap:!1}}),`final workflow bundle for "${e.outfile}"`);await writeWorkflowBundleAtomically(e.outfile,n.code)}function convertStepsManifest(e){let t={};for(let[n,r]of Object.entries(e??{})){t[n]={};for(let[e,i]of Object.entries(r))t[n][e]={stepId:i.stepId}}return t}function convertWorkflowsManifest(e){let t={};for(let[n,r]of Object.entries(e??{})){t[n]={};for(let[e,i]of Object.entries(r))t[n][e]={graph:{edges:[],nodes:[]},workflowId:i.workflowId}}return t}function convertClassesManifest(e){let t={};for(let[n,r]of Object.entries(e??{})){t[n]={};for(let[e,i]of Object.entries(r))t[n][e]={classId:i.classId}}return t}function toRelativeImportSpecifier(e,t){let n=relative(e,t).replaceAll(`\\`,`/`);return n.startsWith(`./`)||n.startsWith(`../`)?n:`./${n}`}function resolveFirstExistingPath(e){for(let t of e)if(existsSync(t))return{id:resolve(t)}}async function writeWorkflowBundleAtomically(e,t){await mkdir(dirname(e),{recursive:!0});let n=`${e}.${process.pid}.${Date.now()}.tmp`;await writeFile(n,t),await rename(n,e)}function mergeWorkflowManifest(e,t){e.steps=mergeWorkflowManifestSection(e.steps,t.steps),e.workflows=mergeWorkflowManifestSection(e.workflows,t.workflows),e.classes=mergeWorkflowManifestSection(e.classes,t.classes)}function mergeWorkflowManifestSection(e,t){if(t===void 0)return e;let n={...e};for(let[e,r]of Object.entries(t))n[e]={...n[e],...r};return n}function createManifestRelativeFilepath(e,t){let n=t.replaceAll(`\\`,`/`),r=relative(e.replaceAll(`\\`,`/`),n).replaceAll(`\\`,`/`);return r.startsWith(`../`)&&(r=r.split(`/`).filter(e=>e!==`..`).join(`/`)),r}function isJavaScriptLikePath(e){return/\.(?:[cm]?[jt]sx?)$/.test(e)}async function atomicWriteFile(e,t){let n=`${e}.tmp-${process.pid}-${Date.now().toString(36)}`;await writeFile(n,t),await rename(n,e)}export{WORKFLOW_VIRTUAL_ENTRY_ID,atomicWriteFile,bundleFinalWorkflowOutput,bundleWorkflowStepRegistrations,collectWorkflowInputFiles,convertClassesManifest,convertStepsManifest,convertWorkflowsManifest,createEvePackageImportsPlugin,createWorkflowImport,createWorkflowNodeBuiltinGuardPlugin,createWorkflowPseudoPackagePlugin,createWorkflowRuntimeAliasPlugin,createWorkflowTransformPlugin,createWorkflowVirtualEntryPlugin};