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[NestJS] Simplify NestJS integration with standalone build tool - #878

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[NestJS] Simplify NestJS integration with standalone build tool#878
VaguelySerious wants to merge 8 commits into
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peter/nestjs-v2

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@VaguelySerious

@VaguelySeriousVaguelySerious commented Jan 28, 2026

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  • Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
  • Add workflow-nest build command to build workflow bundles independently
  • Generate .workflow/client.js with workflow metadata for use with start()
  • Add workflow-nest dev command for watch mode
  • Update default output directory from .nestjs/workflow to .workflow
  • Deprecate workflow-nest init in favor of build command

BREAKING CHANGE: Users now import workflow metadata from .workflow/client.js instead of importing directly from workflow files. This allows NestJS to use any compiler (tsc, swc, or babel) without requiring SWC configuration.

@VaguelySerious@claude
feat(@workflow/nest): Simplify NestJS integration with standalone bui…
ce87fb4
…ld tool
- Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
- Add `workflow-nest build` command to build workflow bundles independently
- Generate `.workflow/client.js` with workflow metadata for use with start()
- Add `workflow-nest dev` command for watch mode
- Update default output directory from .nestjs/workflow to .workflow
- Deprecate `workflow-nest init` in favor of build command
BREAKING CHANGE: Users now import workflow metadata from `.workflow/client.js`
instead of importing directly from workflow files. This allows NestJS to use
any compiler (tsc, swc, or babel) without requiring SWC configuration.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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⚠️ No Changeset found

Latest commit: 88e252a

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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🧪 E2E Test Results

❌ Some tests failed

Summary

PassedFailedSkippedTotal
✅ ▲ Vercel Production457038495
✅ 💻 Local Development418032450
✅ 📦 Local Production418032450
✅ 🐘 Local Postgres418032450
✅ 🪟 Windows450045
❌ 🌍 Community Worlds311610192
✅ 📋 Other123012135
Total19101611462217

❌ Failed Tests

🌍 Community Worlds (161 failed)

mongodb (40 failed):

  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router

redis (40 failed):

  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router

starter (41 failed):

  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router

turso (40 failed):

  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router

Details by Category

✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro4104
✅ example4104
✅ express4104
✅ fastify4104
✅ hono4104
✅ nextjs-turbopack4401
✅ nextjs-webpack4401
✅ nitro4104
✅ nuxt4104
✅ sveltekit4104
✅ vite4104
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack4500
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev300
❌ mongodb5400
✅ redis-dev300
❌ redis5400
✅ starter-dev300
❌ starter4410
✅ turso-dev300
❌ turso5400
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable4104
✅ e2e-local-postgres-nest-stable4104
✅ e2e-local-prod-nest-stable4104

📋 View full workflow run

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📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.030s (-29.3% 🟢)1.008s (~)0.978s101.00x
💻 LocalNext.js (Turbopack)0.041s (-0.7%)1.019s (~)0.978s101.36x
💻 LocalNitro0.045s (+53.8% 🔺)1.007s (~)0.962s101.49x
🐘 PostgresNext.js (Turbopack)0.164s (-58.3% 🟢)1.019s (~)0.855s105.46x
🐘 PostgresNitro0.252s (-3.6%)1.013s (~)0.761s108.37x
🐘 PostgresExpress0.475s (+58.7% 🔺)1.014s (~)0.540s1015.77x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.708s (+22.5% 🔺)1.680s (+15.1% 🔺)0.973s101.00x
▲ VercelNitro0.770s (+22.7% 🔺)1.732s (+11.4% 🔺)0.963s101.09x
▲ VercelNext.js (Turbopack)0.830s (+9.2% 🔺)1.880s (+22.5% 🔺)1.050s101.17x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.078s (-3.4%)2.008s (~)0.930s101.00x
💻 LocalNext.js (Turbopack)1.094s (-0.9%)2.012s (~)0.918s101.02x
💻 LocalNitro1.113s (+3.2%)2.006s (~)0.893s101.03x
🐘 PostgresNext.js (Turbopack)1.906s (-15.1% 🟢)2.120s (-29.8% 🟢)0.214s101.77x
🐘 PostgresNitro2.121s (~)3.013s (~)0.893s101.97x
🐘 PostgresExpress2.330s (+8.8% 🔺)3.014s (~)0.684s102.16x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.843s (-12.0% 🟢)3.758s (-6.0% 🟢)0.915s101.00x
▲ VercelNext.js (Turbopack)2.963s (+6.5% 🔺)3.885s (+9.4% 🔺)0.922s101.04x
▲ VercelNitro3.071s (+13.3% 🔺)4.437s (+23.2% 🔺)1.366s101.08x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

workflow with 10 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express10.571s (-2.4%)11.015s (~)0.444s51.00x
💻 LocalNext.js (Turbopack)10.723s (~)11.023s (~)0.300s51.01x
💻 LocalNitro10.825s (+2.5%)11.016s (~)0.191s51.02x
🐘 PostgresNext.js (Turbopack)15.286s (~)16.033s (~)0.747s51.45x
🐘 PostgresExpress20.190s (-1.4%)21.038s (~)0.848s51.91x
🐘 PostgresNitro20.488s (~)21.028s (~)0.540s51.94x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro22.051s (-4.4%)22.855s (-3.9%)0.804s51.00x
▲ VercelExpress22.288s (+0.9%)23.451s (+2.9%)1.163s51.01x
▲ VercelNext.js (Turbopack)22.895s (+2.9%)23.790s (+4.1%)0.895s51.04x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Promise.all with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.352s (-3.0%)2.011s (~)0.658s151.00x
💻 LocalExpress1.355s (-3.9%)2.007s (~)0.652s151.00x
💻 LocalNitro1.411s (+4.2%)2.006s (~)0.595s151.04x
🐘 PostgresNext.js (Turbopack)1.900s (+7.7% 🔺)2.643s (+31.2% 🔺)0.743s121.41x
🐘 PostgresNitro2.284s (+2.2%)3.012s (~)0.729s101.69x
🐘 PostgresExpress2.427s (+11.8% 🔺)3.012s (~)0.585s101.79x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.058s (+7.1% 🔺)3.972s (+8.3% 🔺)0.914s81.00x
▲ VercelNext.js (Turbopack)3.149s (+15.1% 🔺)4.022s (+11.8% 🔺)0.873s81.03x
▲ VercelNitro3.253s (+6.2% 🔺)4.106s (+0.5%)0.852s81.06x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.150s (-14.3% 🟢)3.084s (+1.8%)0.935s101.00x
💻 LocalNitro2.475s (+10.3% 🔺)3.028s (-5.9% 🟢)0.553s101.15x
💻 LocalNext.js (Turbopack)2.493s (+1.5%)3.023s (-0.8%)0.531s101.16x
🐘 PostgresNitro8.046s (+10.8% 🔺)8.525s (+5.7% 🔺)0.479s43.74x
🐘 PostgresExpress9.067s (+21.2% 🔺)9.571s (+18.8% 🔺)0.504s44.22x
🐘 PostgresNext.js (Turbopack)10.900s (-8.7% 🟢)11.421s (-7.8% 🟢)0.522s35.07x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro3.328s (-17.9% 🟢)4.201s (-11.2% 🟢)0.873s81.00x
▲ VercelExpress3.420s (-37.7% 🟢)4.138s (-32.5% 🟢)0.718s81.03x
▲ VercelNext.js (Turbopack)3.802s (+12.0% 🔺)4.796s (-20.5% 🟢)0.994s71.14x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Promise.race with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.360s (-5.3% 🟢)2.006s (~)0.646s151.00x
💻 LocalNitro1.417s (+2.4%)2.006s (~)0.589s151.04x
💻 LocalNext.js (Turbopack)1.418s (+0.8%)2.012s (~)0.594s151.04x
🐘 PostgresNext.js (Turbopack)1.531s (-25.8% 🟢)2.015s (-19.8% 🟢)0.484s151.13x
🐘 PostgresNitro2.136s (+2.2%)2.924s (+22.0% 🔺)0.788s111.57x
🐘 PostgresExpress2.230s (+4.9%)2.739s (+8.7% 🔺)0.510s111.64x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.687s (-37.9% 🟢)3.660s (-27.4% 🟢)0.973s91.00x
▲ VercelNitro2.794s (-27.6% 🟢)3.761s (-21.4% 🟢)0.968s81.04x
▲ VercelNext.js (Turbopack)2.822s (-38.1% 🟢)3.808s (-29.4% 🟢)0.986s81.05x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Promise.race with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.237s (-12.6% 🟢)3.219s (+6.7% 🔺)0.982s101.00x
💻 LocalNitro2.575s (+8.3% 🔺)3.022s (-9.0% 🟢)0.446s101.15x
💻 LocalNext.js (Turbopack)2.578s (~)3.020s (-0.6%)0.442s101.15x
🐘 PostgresExpress10.288s (-18.3% 🟢)10.687s (-18.2% 🟢)0.399s34.60x
🐘 PostgresNext.js (Turbopack)11.128s (-16.7% 🟢)11.700s (-16.7% 🟢)0.572s34.97x
🐘 PostgresNitro11.391s (+3.4%)11.701s (+2.7%)0.310s35.09x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.867s (-24.3% 🟢)3.593s (-18.0% 🟢)0.726s91.00x
▲ VercelNitro2.944s (-8.7% 🟢)3.818s (-4.7%)0.875s81.03x
▲ VercelNext.js (Turbopack)3.334s (-18.1% 🟢)4.158s (-11.8% 🟢)0.825s81.16x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)
workflow with stream

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.116s (-37.1% 🟢)1.000s (+0.8%)0.013s (-15.2% 🟢)1.021s (~)0.905s101.00x
💻 LocalNext.js (Turbopack)0.145s (-2.5%)1.003s (~)0.017s (-0.6%)1.028s (~)0.883s101.24x
💻 LocalNitro0.180s (+55.2% 🔺)0.993s (-0.7%)0.015s (+21.7% 🔺)1.021s (~)0.841s101.55x
🐘 PostgresNext.js (Turbopack)1.192s (-15.0% 🟢)1.856s (+8.6% 🔺)0.000s (+Infinity% 🔺)2.021s (~)0.829s1010.24x
🐘 PostgresNitro2.337s (~)2.704s (~)0.000s (-100.0% 🟢)3.014s (~)0.677s1020.08x
🐘 PostgresExpress2.434s (+6.2% 🔺)2.609s (-5.3% 🟢)0.000s (NaN%)3.015s (~)0.581s1020.91x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.914s (+1.2%)3.210s (~)0.612s (+48.7% 🔺)4.353s (+6.9% 🔺)1.439s101.00x
▲ VercelExpress2.969s (+2.8%)3.167s (+0.7%)0.703s (-3.2%)4.403s (+1.2%)1.433s101.02x
▲ VercelNext.js (Turbopack)2.973s (-1.6%)3.356s (+3.9%)0.570s (+23.2% 🔺)4.534s (+9.7% 🔺)1.562s101.02x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World🥇 Fastest FrameworkWins
💻 LocalExpress7/8
🐘 PostgresNext.js (Turbopack)6/8
▲ VercelExpress5/8
Fastest World by Framework

Winner determined by most benchmark wins

Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)💻 Local8/8
Nitro💻 Local8/8
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run

@VaguelySeriousVaguelySerious changed the title feat(@workflow/nest): Simplify NestJS integration with standalone build tool[@workflow/nest] Simplify NestJS integration with standalone build toolJan 28, 2026
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Additional Suggestions:

  1. NestJS test configuration references incorrect .nestjs/workflow/ output directory paths instead of the updated .workflow/ paths.
  1. README documentation shows outdated .nestjs/workflow default directory and deprecated SWC-based workflow setup instructions.
Fix on Vercel

Comment threadpackages/nest/src/cli.ts
vercelBotand others added 2 commits January 28, 2026 05:34
@vercel@VaguelySerious
Fix: The handleDev function calls fs.watch() on user-specified di…
d9007df
…rectories without checking if they exist first, causing an unhandled ENOENT crash with an unhelpful error message.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@vercel@VaguelySerious
Fix: NestJS test configuration references incorrect `.nestjs/workflow…
17c2c4b
…/` output directory paths instead of the updated `.workflow/` paths.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@VaguelySerious@claude
fix(nest): Fix CI failures for nest workbench
0603664
- Update test matrix paths from .nestjs/workflow to .workflow
- Add .swcrc to configure ESM output for NestJS with "type": "module"
- Handle duplicate workflow names in client.js generation by appending suffix
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Add byFile exports and filename-based lookup for workbench…
dafc025
… compatibility
- Add byFile exports grouped by source file path for workbench registry
- Add findByFilename helper to match workflows by filename regardless of path prefix
- Handle duplicate workflow names with numeric suffixes
- Preserve dots in workflow names for class methods (e.g., Calculator.calculate)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Support direct workflow name lookup in client mode
88e252a
In client mode using byFile exports, workflows are keyed by their full
dot-notation name (e.g., 'Calculator.calculate') rather than being nested
under class constructors. Update the trigger endpoint to first try direct
lookup, then fall back to class-based lookup for traditional mode.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@vercel
vercelBottemporarily deployed to Preview – workflow-docs January 28, 2026 06:56 Inactive
@VaguelySeriousVaguelySerious mentioned this pull request Jul 17, 2026
Merged
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[NestJS] Simplify NestJS integration with standalone build tool by VaguelySerious · Pull Request #878 · vercel/workflow · GitHub
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  • Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
  • Add workflow-nest build command to build workflow bundles independently
  • Generate .workflow/client.js with workflow metadata for use with start()
  • Add workflow-nest dev command for watch mode
  • Update default output directory from .nestjs/workflow to .workflow
  • Deprecate workflow-nest init in favor of build command
BREAKING CHANGE: Users now import workflow metadata from .workflow/client.js instead of importing directly from workflow files. This allows NestJS to use any compiler (tsc, swc, or babel) without requiring SWC configuration.
@VaguelySerious@claude
feat(@workflow/nest): Simplify NestJS integration with standalone bui…
ce87fb4
…ld tool
- Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
- Add `workflow-nest build` command to build workflow bundles independently
- Generate `.workflow/client.js` with workflow metadata for use with start()
- Add `workflow-nest dev` command for watch mode
- Update default output directory from .nestjs/workflow to .workflow
- Deprecate `workflow-nest init` in favor of build command
BREAKING CHANGE: Users now import workflow metadata from `.workflow/client.js`
instead of importing directly from workflow files. This allows NestJS to use
any compiler (tsc, swc, or babel) without requiring SWC configuration.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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⚠️ No Changeset found
Latest commit: 88e252a
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
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The latest updates on your projects. Learn more about Vercel for GitHub.
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production457038495
✅ 💻 Local Development418032450
✅ 📦 Local Production418032450
✅ 🐘 Local Postgres418032450
✅ 🪟 Windows450045
❌ 🌍 Community Worlds311610192
✅ 📋 Other123012135
Total19101611462217
❌ Failed Tests
🌍 Community Worlds (161 failed)
mongodb (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
redis (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
starter (41 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
turso (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro4104
✅ example4104
✅ express4104
✅ fastify4104
✅ hono4104
✅ nextjs-turbopack4401
✅ nextjs-webpack4401
✅ nitro4104
✅ nuxt4104
✅ sveltekit4104
✅ vite4104
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack4500
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev300
❌ mongodb5400
✅ redis-dev300
❌ redis5400
✅ starter-dev300
❌ starter4410
✅ turso-dev300
❌ turso5400
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable4104
✅ e2e-local-postgres-nest-stable4104
✅ e2e-local-prod-nest-stable4104
📋 View full workflow run
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.030s (-29.3% 🟢)1.008s (~)0.978s101.00x
💻 LocalNext.js (Turbopack)0.041s (-0.7%)1.019s (~)0.978s101.36x
💻 LocalNitro0.045s (+53.8% 🔺)1.007s (~)0.962s101.49x
🐘 PostgresNext.js (Turbopack)0.164s (-58.3% 🟢)1.019s (~)0.855s105.46x
🐘 PostgresNitro0.252s (-3.6%)1.013s (~)0.761s108.37x
🐘 PostgresExpress0.475s (+58.7% 🔺)1.014s (~)0.540s1015.77x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.708s (+22.5% 🔺)1.680s (+15.1% 🔺)0.973s101.00x
▲ VercelNitro0.770s (+22.7% 🔺)1.732s (+11.4% 🔺)0.963s101.09x
▲ VercelNext.js (Turbopack)0.830s (+9.2% 🔺)1.880s (+22.5% 🔺)1.050s101.17x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.078s (-3.4%)2.008s (~)0.930s101.00x
💻 LocalNext.js (Turbopack)1.094s (-0.9%)2.012s (~)0.918s101.02x
💻 LocalNitro1.113s (+3.2%)2.006s (~)0.893s101.03x
🐘 PostgresNext.js (Turbopack)1.906s (-15.1% 🟢)2.120s (-29.8% 🟢)0.214s101.77x
🐘 PostgresNitro2.121s (~)3.013s (~)0.893s101.97x
🐘 PostgresExpress2.330s (+8.8% 🔺)3.014s (~)0.684s102.16x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.843s (-12.0% 🟢)3.758s (-6.0% 🟢)0.915s101.00x
▲ VercelNext.js (Turbopack)2.963s (+6.5% 🔺)3.885s (+9.4% 🔺)0.922s101.04x
▲ VercelNitro3.071s (+13.3% 🔺)4.437s (+23.2% 🔺)1.366s101.08x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express10.571s (-2.4%)11.015s (~)0.444s51.00x
💻 LocalNext.js (Turbopack)10.723s (~)11.023s (~)0.300s51.01x
💻 LocalNitro10.825s (+2.5%)11.016s (~)0.191s51.02x
🐘 PostgresNext.js (Turbopack)15.286s (~)16.033s (~)0.747s51.45x
🐘 PostgresExpress20.190s (-1.4%)21.038s (~)0.848s51.91x
🐘 PostgresNitro20.488s (~)21.028s (~)0.540s51.94x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro22.051s (-4.4%)22.855s (-3.9%)0.804s51.00x
▲ VercelExpress22.288s (+0.9%)23.451s (+2.9%)1.163s51.01x
▲ VercelNext.js (Turbopack)22.895s (+2.9%)23.790s (+4.1%)0.895s51.04x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.352s (-3.0%)2.011s (~)0.658s151.00x
💻 LocalExpress1.355s (-3.9%)2.007s (~)0.652s151.00x
💻 LocalNitro1.411s (+4.2%)2.006s (~)0.595s151.04x
🐘 PostgresNext.js (Turbopack)1.900s (+7.7% 🔺)2.643s (+31.2% 🔺)0.743s121.41x
🐘 PostgresNitro2.284s (+2.2%)3.012s (~)0.729s101.69x
🐘 PostgresExpress2.427s (+11.8% 🔺)3.012s (~)0.585s101.79x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.058s (+7.1% 🔺)3.972s (+8.3% 🔺)0.914s81.00x
▲ VercelNext.js (Turbopack)3.149s (+15.1% 🔺)4.022s (+11.8% 🔺)0.873s81.03x
▲ VercelNitro3.253s (+6.2% 🔺)4.106s (+0.5%)0.852s81.06x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.150s (-14.3% 🟢)3.084s (+1.8%)0.935s101.00x
💻 LocalNitro2.475s (+10.3% 🔺)3.028s (-5.9% 🟢)0.553s101.15x
💻 LocalNext.js (Turbopack)2.493s (+1.5%)3.023s (-0.8%)0.531s101.16x
🐘 PostgresNitro8.046s (+10.8% 🔺)8.525s (+5.7% 🔺)0.479s43.74x
🐘 PostgresExpress9.067s (+21.2% 🔺)9.571s (+18.8% 🔺)0.504s44.22x
🐘 PostgresNext.js (Turbopack)10.900s (-8.7% 🟢)11.421s (-7.8% 🟢)0.522s35.07x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro3.328s (-17.9% 🟢)4.201s (-11.2% 🟢)0.873s81.00x
▲ VercelExpress3.420s (-37.7% 🟢)4.138s (-32.5% 🟢)0.718s81.03x
▲ VercelNext.js (Turbopack)3.802s (+12.0% 🔺)4.796s (-20.5% 🟢)0.994s71.14x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.360s (-5.3% 🟢)2.006s (~)0.646s151.00x
💻 LocalNitro1.417s (+2.4%)2.006s (~)0.589s151.04x
💻 LocalNext.js (Turbopack)1.418s (+0.8%)2.012s (~)0.594s151.04x
🐘 PostgresNext.js (Turbopack)1.531s (-25.8% 🟢)2.015s (-19.8% 🟢)0.484s151.13x
🐘 PostgresNitro2.136s (+2.2%)2.924s (+22.0% 🔺)0.788s111.57x
🐘 PostgresExpress2.230s (+4.9%)2.739s (+8.7% 🔺)0.510s111.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.687s (-37.9% 🟢)3.660s (-27.4% 🟢)0.973s91.00x
▲ VercelNitro2.794s (-27.6% 🟢)3.761s (-21.4% 🟢)0.968s81.04x
▲ VercelNext.js (Turbopack)2.822s (-38.1% 🟢)3.808s (-29.4% 🟢)0.986s81.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.237s (-12.6% 🟢)3.219s (+6.7% 🔺)0.982s101.00x
💻 LocalNitro2.575s (+8.3% 🔺)3.022s (-9.0% 🟢)0.446s101.15x
💻 LocalNext.js (Turbopack)2.578s (~)3.020s (-0.6%)0.442s101.15x
🐘 PostgresExpress10.288s (-18.3% 🟢)10.687s (-18.2% 🟢)0.399s34.60x
🐘 PostgresNext.js (Turbopack)11.128s (-16.7% 🟢)11.700s (-16.7% 🟢)0.572s34.97x
🐘 PostgresNitro11.391s (+3.4%)11.701s (+2.7%)0.310s35.09x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.867s (-24.3% 🟢)3.593s (-18.0% 🟢)0.726s91.00x
▲ VercelNitro2.944s (-8.7% 🟢)3.818s (-4.7%)0.875s81.03x
▲ VercelNext.js (Turbopack)3.334s (-18.1% 🟢)4.158s (-11.8% 🟢)0.825s81.16x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.116s (-37.1% 🟢)1.000s (+0.8%)0.013s (-15.2% 🟢)1.021s (~)0.905s101.00x
💻 LocalNext.js (Turbopack)0.145s (-2.5%)1.003s (~)0.017s (-0.6%)1.028s (~)0.883s101.24x
💻 LocalNitro0.180s (+55.2% 🔺)0.993s (-0.7%)0.015s (+21.7% 🔺)1.021s (~)0.841s101.55x
🐘 PostgresNext.js (Turbopack)1.192s (-15.0% 🟢)1.856s (+8.6% 🔺)0.000s (+Infinity% 🔺)2.021s (~)0.829s1010.24x
🐘 PostgresNitro2.337s (~)2.704s (~)0.000s (-100.0% 🟢)3.014s (~)0.677s1020.08x
🐘 PostgresExpress2.434s (+6.2% 🔺)2.609s (-5.3% 🟢)0.000s (NaN%)3.015s (~)0.581s1020.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.914s (+1.2%)3.210s (~)0.612s (+48.7% 🔺)4.353s (+6.9% 🔺)1.439s101.00x
▲ VercelExpress2.969s (+2.8%)3.167s (+0.7%)0.703s (-3.2%)4.403s (+1.2%)1.433s101.02x
▲ VercelNext.js (Turbopack)2.973s (-1.6%)3.356s (+3.9%)0.570s (+23.2% 🔺)4.534s (+9.7% 🔺)1.562s101.02x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalExpress7/8
🐘 PostgresNext.js (Turbopack)6/8
▲ VercelExpress5/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)💻 Local8/8
Nitro💻 Local8/8
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark
Worlds:
  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
@VaguelySeriousVaguelySerious
changed the title
feat(@workflow/nest): Simplify NestJS integration with standalone build tool[@workflow/nest] Simplify NestJS integration with standalone build toolJan 28, 2026
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Additional Suggestions:
  1. NestJS test configuration references incorrect .nestjs/workflow/ output directory paths instead of the updated .workflow/ paths.
  1. README documentation shows outdated .nestjs/workflow default directory and deprecated SWC-based workflow setup instructions.
Fix on Vercel
Comment threadpackages/nest/src/cli.ts
vercelBotand others
added 2 commits
January 28, 2026 05:34
@vercel@VaguelySerious
Fix: The handleDev function calls fs.watch() on user-specified di…
d9007df
…rectories without checking if they exist first, causing an unhandled ENOENT crash with an unhelpful error message.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@vercel@VaguelySerious
Fix: NestJS test configuration references incorrect `.nestjs/workflow…
17c2c4b
…/` output directory paths instead of the updated `.workflow/` paths.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@VaguelySerious@claude
fix(nest): Fix CI failures for nest workbench
0603664
- Update test matrix paths from .nestjs/workflow to .workflow
- Add .swcrc to configure ESM output for NestJS with "type": "module"
- Handle duplicate workflow names in client.js generation by appending suffix
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Add byFile exports and filename-based lookup for workbench…
dafc025
… compatibility
- Add byFile exports grouped by source file path for workbench registry
- Add findByFilename helper to match workflows by filename regardless of path prefix
- Handle duplicate workflow names with numeric suffixes
- Preserve dots in workflow names for class methods (e.g., Calculator.calculate)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Support direct workflow name lookup in client mode
88e252a
In client mode using byFile exports, workflows are keyed by their full
dot-notation name (e.g., 'Calculator.calculate') rather than being nested
under class constructors. Update the trigger endpoint to first try direct
lookup, then fall back to class-based lookup for traditional mode.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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January 28, 2026 06:56
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@VaguelySeriousVaguelySerious
mentioned this pull request
Jul 17, 2026
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[NestJS] Simplify NestJS integration with standalone build tool by VaguelySerious · Pull Request #878 · vercel/workflow · GitHub
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  • Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
  • Add workflow-nest build command to build workflow bundles independently
  • Generate .workflow/client.js with workflow metadata for use with start()
  • Add workflow-nest dev command for watch mode
  • Update default output directory from .nestjs/workflow to .workflow
  • Deprecate workflow-nest init in favor of build command
BREAKING CHANGE: Users now import workflow metadata from .workflow/client.js instead of importing directly from workflow files. This allows NestJS to use any compiler (tsc, swc, or babel) without requiring SWC configuration.
@VaguelySerious@claude
feat(@workflow/nest): Simplify NestJS integration with standalone bui…
ce87fb4
…ld tool
- Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
- Add `workflow-nest build` command to build workflow bundles independently
- Generate `.workflow/client.js` with workflow metadata for use with start()
- Add `workflow-nest dev` command for watch mode
- Update default output directory from .nestjs/workflow to .workflow
- Deprecate `workflow-nest init` in favor of build command
BREAKING CHANGE: Users now import workflow metadata from `.workflow/client.js`
instead of importing directly from workflow files. This allows NestJS to use
any compiler (tsc, swc, or babel) without requiring SWC configuration.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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⚠️ No Changeset found
Latest commit: 88e252a
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production457038495
✅ 💻 Local Development418032450
✅ 📦 Local Production418032450
✅ 🐘 Local Postgres418032450
✅ 🪟 Windows450045
❌ 🌍 Community Worlds311610192
✅ 📋 Other123012135
Total19101611462217
❌ Failed Tests
🌍 Community Worlds (161 failed)
mongodb (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
redis (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
starter (41 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
turso (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro4104
✅ example4104
✅ express4104
✅ fastify4104
✅ hono4104
✅ nextjs-turbopack4401
✅ nextjs-webpack4401
✅ nitro4104
✅ nuxt4104
✅ sveltekit4104
✅ vite4104
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack4500
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev300
❌ mongodb5400
✅ redis-dev300
❌ redis5400
✅ starter-dev300
❌ starter4410
✅ turso-dev300
❌ turso5400
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable4104
✅ e2e-local-postgres-nest-stable4104
✅ e2e-local-prod-nest-stable4104
📋 View full workflow run
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.030s (-29.3% 🟢)1.008s (~)0.978s101.00x
💻 LocalNext.js (Turbopack)0.041s (-0.7%)1.019s (~)0.978s101.36x
💻 LocalNitro0.045s (+53.8% 🔺)1.007s (~)0.962s101.49x
🐘 PostgresNext.js (Turbopack)0.164s (-58.3% 🟢)1.019s (~)0.855s105.46x
🐘 PostgresNitro0.252s (-3.6%)1.013s (~)0.761s108.37x
🐘 PostgresExpress0.475s (+58.7% 🔺)1.014s (~)0.540s1015.77x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.708s (+22.5% 🔺)1.680s (+15.1% 🔺)0.973s101.00x
▲ VercelNitro0.770s (+22.7% 🔺)1.732s (+11.4% 🔺)0.963s101.09x
▲ VercelNext.js (Turbopack)0.830s (+9.2% 🔺)1.880s (+22.5% 🔺)1.050s101.17x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.078s (-3.4%)2.008s (~)0.930s101.00x
💻 LocalNext.js (Turbopack)1.094s (-0.9%)2.012s (~)0.918s101.02x
💻 LocalNitro1.113s (+3.2%)2.006s (~)0.893s101.03x
🐘 PostgresNext.js (Turbopack)1.906s (-15.1% 🟢)2.120s (-29.8% 🟢)0.214s101.77x
🐘 PostgresNitro2.121s (~)3.013s (~)0.893s101.97x
🐘 PostgresExpress2.330s (+8.8% 🔺)3.014s (~)0.684s102.16x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.843s (-12.0% 🟢)3.758s (-6.0% 🟢)0.915s101.00x
▲ VercelNext.js (Turbopack)2.963s (+6.5% 🔺)3.885s (+9.4% 🔺)0.922s101.04x
▲ VercelNitro3.071s (+13.3% 🔺)4.437s (+23.2% 🔺)1.366s101.08x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express10.571s (-2.4%)11.015s (~)0.444s51.00x
💻 LocalNext.js (Turbopack)10.723s (~)11.023s (~)0.300s51.01x
💻 LocalNitro10.825s (+2.5%)11.016s (~)0.191s51.02x
🐘 PostgresNext.js (Turbopack)15.286s (~)16.033s (~)0.747s51.45x
🐘 PostgresExpress20.190s (-1.4%)21.038s (~)0.848s51.91x
🐘 PostgresNitro20.488s (~)21.028s (~)0.540s51.94x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro22.051s (-4.4%)22.855s (-3.9%)0.804s51.00x
▲ VercelExpress22.288s (+0.9%)23.451s (+2.9%)1.163s51.01x
▲ VercelNext.js (Turbopack)22.895s (+2.9%)23.790s (+4.1%)0.895s51.04x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.352s (-3.0%)2.011s (~)0.658s151.00x
💻 LocalExpress1.355s (-3.9%)2.007s (~)0.652s151.00x
💻 LocalNitro1.411s (+4.2%)2.006s (~)0.595s151.04x
🐘 PostgresNext.js (Turbopack)1.900s (+7.7% 🔺)2.643s (+31.2% 🔺)0.743s121.41x
🐘 PostgresNitro2.284s (+2.2%)3.012s (~)0.729s101.69x
🐘 PostgresExpress2.427s (+11.8% 🔺)3.012s (~)0.585s101.79x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.058s (+7.1% 🔺)3.972s (+8.3% 🔺)0.914s81.00x
▲ VercelNext.js (Turbopack)3.149s (+15.1% 🔺)4.022s (+11.8% 🔺)0.873s81.03x
▲ VercelNitro3.253s (+6.2% 🔺)4.106s (+0.5%)0.852s81.06x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.150s (-14.3% 🟢)3.084s (+1.8%)0.935s101.00x
💻 LocalNitro2.475s (+10.3% 🔺)3.028s (-5.9% 🟢)0.553s101.15x
💻 LocalNext.js (Turbopack)2.493s (+1.5%)3.023s (-0.8%)0.531s101.16x
🐘 PostgresNitro8.046s (+10.8% 🔺)8.525s (+5.7% 🔺)0.479s43.74x
🐘 PostgresExpress9.067s (+21.2% 🔺)9.571s (+18.8% 🔺)0.504s44.22x
🐘 PostgresNext.js (Turbopack)10.900s (-8.7% 🟢)11.421s (-7.8% 🟢)0.522s35.07x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro3.328s (-17.9% 🟢)4.201s (-11.2% 🟢)0.873s81.00x
▲ VercelExpress3.420s (-37.7% 🟢)4.138s (-32.5% 🟢)0.718s81.03x
▲ VercelNext.js (Turbopack)3.802s (+12.0% 🔺)4.796s (-20.5% 🟢)0.994s71.14x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.360s (-5.3% 🟢)2.006s (~)0.646s151.00x
💻 LocalNitro1.417s (+2.4%)2.006s (~)0.589s151.04x
💻 LocalNext.js (Turbopack)1.418s (+0.8%)2.012s (~)0.594s151.04x
🐘 PostgresNext.js (Turbopack)1.531s (-25.8% 🟢)2.015s (-19.8% 🟢)0.484s151.13x
🐘 PostgresNitro2.136s (+2.2%)2.924s (+22.0% 🔺)0.788s111.57x
🐘 PostgresExpress2.230s (+4.9%)2.739s (+8.7% 🔺)0.510s111.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.687s (-37.9% 🟢)3.660s (-27.4% 🟢)0.973s91.00x
▲ VercelNitro2.794s (-27.6% 🟢)3.761s (-21.4% 🟢)0.968s81.04x
▲ VercelNext.js (Turbopack)2.822s (-38.1% 🟢)3.808s (-29.4% 🟢)0.986s81.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.237s (-12.6% 🟢)3.219s (+6.7% 🔺)0.982s101.00x
💻 LocalNitro2.575s (+8.3% 🔺)3.022s (-9.0% 🟢)0.446s101.15x
💻 LocalNext.js (Turbopack)2.578s (~)3.020s (-0.6%)0.442s101.15x
🐘 PostgresExpress10.288s (-18.3% 🟢)10.687s (-18.2% 🟢)0.399s34.60x
🐘 PostgresNext.js (Turbopack)11.128s (-16.7% 🟢)11.700s (-16.7% 🟢)0.572s34.97x
🐘 PostgresNitro11.391s (+3.4%)11.701s (+2.7%)0.310s35.09x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.867s (-24.3% 🟢)3.593s (-18.0% 🟢)0.726s91.00x
▲ VercelNitro2.944s (-8.7% 🟢)3.818s (-4.7%)0.875s81.03x
▲ VercelNext.js (Turbopack)3.334s (-18.1% 🟢)4.158s (-11.8% 🟢)0.825s81.16x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.116s (-37.1% 🟢)1.000s (+0.8%)0.013s (-15.2% 🟢)1.021s (~)0.905s101.00x
💻 LocalNext.js (Turbopack)0.145s (-2.5%)1.003s (~)0.017s (-0.6%)1.028s (~)0.883s101.24x
💻 LocalNitro0.180s (+55.2% 🔺)0.993s (-0.7%)0.015s (+21.7% 🔺)1.021s (~)0.841s101.55x
🐘 PostgresNext.js (Turbopack)1.192s (-15.0% 🟢)1.856s (+8.6% 🔺)0.000s (+Infinity% 🔺)2.021s (~)0.829s1010.24x
🐘 PostgresNitro2.337s (~)2.704s (~)0.000s (-100.0% 🟢)3.014s (~)0.677s1020.08x
🐘 PostgresExpress2.434s (+6.2% 🔺)2.609s (-5.3% 🟢)0.000s (NaN%)3.015s (~)0.581s1020.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.914s (+1.2%)3.210s (~)0.612s (+48.7% 🔺)4.353s (+6.9% 🔺)1.439s101.00x
▲ VercelExpress2.969s (+2.8%)3.167s (+0.7%)0.703s (-3.2%)4.403s (+1.2%)1.433s101.02x
▲ VercelNext.js (Turbopack)2.973s (-1.6%)3.356s (+3.9%)0.570s (+23.2% 🔺)4.534s (+9.7% 🔺)1.562s101.02x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalExpress7/8
🐘 PostgresNext.js (Turbopack)6/8
▲ VercelExpress5/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)💻 Local8/8
Nitro💻 Local8/8
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark
Worlds:
  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
@VaguelySeriousVaguelySerious
changed the title
feat(@workflow/nest): Simplify NestJS integration with standalone build tool[@workflow/nest] Simplify NestJS integration with standalone build toolJan 28, 2026
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Additional Suggestions:
  1. NestJS test configuration references incorrect .nestjs/workflow/ output directory paths instead of the updated .workflow/ paths.
  1. README documentation shows outdated .nestjs/workflow default directory and deprecated SWC-based workflow setup instructions.
Fix on Vercel
Comment threadpackages/nest/src/cli.ts
vercelBotand others
added 2 commits
January 28, 2026 05:34
@vercel@VaguelySerious
Fix: The handleDev function calls fs.watch() on user-specified di…
d9007df
…rectories without checking if they exist first, causing an unhandled ENOENT crash with an unhelpful error message.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@vercel@VaguelySerious
Fix: NestJS test configuration references incorrect `.nestjs/workflow…
17c2c4b
…/` output directory paths instead of the updated `.workflow/` paths.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@VaguelySerious@claude
fix(nest): Fix CI failures for nest workbench
0603664
- Update test matrix paths from .nestjs/workflow to .workflow
- Add .swcrc to configure ESM output for NestJS with "type": "module"
- Handle duplicate workflow names in client.js generation by appending suffix
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Add byFile exports and filename-based lookup for workbench…
dafc025
… compatibility
- Add byFile exports grouped by source file path for workbench registry
- Add findByFilename helper to match workflows by filename regardless of path prefix
- Handle duplicate workflow names with numeric suffixes
- Preserve dots in workflow names for class methods (e.g., Calculator.calculate)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Support direct workflow name lookup in client mode
88e252a
In client mode using byFile exports, workflows are keyed by their full
dot-notation name (e.g., 'Calculator.calculate') rather than being nested
under class constructors. Update the trigger endpoint to first try direct
lookup, then fall back to class-based lookup for traditional mode.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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January 28, 2026 06:56
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@VaguelySeriousVaguelySerious
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Jul 17, 2026
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[NestJS] Simplify NestJS integration with standalone build tool by VaguelySerious · Pull Request #878 · vercel/workflow · GitHub
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  • Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
  • Add workflow-nest build command to build workflow bundles independently
  • Generate .workflow/client.js with workflow metadata for use with start()
  • Add workflow-nest dev command for watch mode
  • Update default output directory from .nestjs/workflow to .workflow
  • Deprecate workflow-nest init in favor of build command
BREAKING CHANGE: Users now import workflow metadata from .workflow/client.js instead of importing directly from workflow files. This allows NestJS to use any compiler (tsc, swc, or babel) without requiring SWC configuration.
@VaguelySerious@claude
feat(@workflow/nest): Simplify NestJS integration with standalone bui…
ce87fb4
…ld tool
- Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
- Add `workflow-nest build` command to build workflow bundles independently
- Generate `.workflow/client.js` with workflow metadata for use with start()
- Add `workflow-nest dev` command for watch mode
- Update default output directory from .nestjs/workflow to .workflow
- Deprecate `workflow-nest init` in favor of build command
BREAKING CHANGE: Users now import workflow metadata from `.workflow/client.js`
instead of importing directly from workflow files. This allows NestJS to use
any compiler (tsc, swc, or babel) without requiring SWC configuration.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production457038495
✅ 💻 Local Development418032450
✅ 📦 Local Production418032450
✅ 🐘 Local Postgres418032450
✅ 🪟 Windows450045
❌ 🌍 Community Worlds311610192
✅ 📋 Other123012135
Total19101611462217
❌ Failed Tests
🌍 Community Worlds (161 failed)
mongodb (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
redis (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
starter (41 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
turso (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro4104
✅ example4104
✅ express4104
✅ fastify4104
✅ hono4104
✅ nextjs-turbopack4401
✅ nextjs-webpack4401
✅ nitro4104
✅ nuxt4104
✅ sveltekit4104
✅ vite4104
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack4500
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev300
❌ mongodb5400
✅ redis-dev300
❌ redis5400
✅ starter-dev300
❌ starter4410
✅ turso-dev300
❌ turso5400
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable4104
✅ e2e-local-postgres-nest-stable4104
✅ e2e-local-prod-nest-stable4104
📋 View full workflow run
@github-actions
github-actionsBot
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Jan 28, 2026•

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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.030s (-29.3% 🟢)1.008s (~)0.978s101.00x
💻 LocalNext.js (Turbopack)0.041s (-0.7%)1.019s (~)0.978s101.36x
💻 LocalNitro0.045s (+53.8% 🔺)1.007s (~)0.962s101.49x
🐘 PostgresNext.js (Turbopack)0.164s (-58.3% 🟢)1.019s (~)0.855s105.46x
🐘 PostgresNitro0.252s (-3.6%)1.013s (~)0.761s108.37x
🐘 PostgresExpress0.475s (+58.7% 🔺)1.014s (~)0.540s1015.77x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.708s (+22.5% 🔺)1.680s (+15.1% 🔺)0.973s101.00x
▲ VercelNitro0.770s (+22.7% 🔺)1.732s (+11.4% 🔺)0.963s101.09x
▲ VercelNext.js (Turbopack)0.830s (+9.2% 🔺)1.880s (+22.5% 🔺)1.050s101.17x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.078s (-3.4%)2.008s (~)0.930s101.00x
💻 LocalNext.js (Turbopack)1.094s (-0.9%)2.012s (~)0.918s101.02x
💻 LocalNitro1.113s (+3.2%)2.006s (~)0.893s101.03x
🐘 PostgresNext.js (Turbopack)1.906s (-15.1% 🟢)2.120s (-29.8% 🟢)0.214s101.77x
🐘 PostgresNitro2.121s (~)3.013s (~)0.893s101.97x
🐘 PostgresExpress2.330s (+8.8% 🔺)3.014s (~)0.684s102.16x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.843s (-12.0% 🟢)3.758s (-6.0% 🟢)0.915s101.00x
▲ VercelNext.js (Turbopack)2.963s (+6.5% 🔺)3.885s (+9.4% 🔺)0.922s101.04x
▲ VercelNitro3.071s (+13.3% 🔺)4.437s (+23.2% 🔺)1.366s101.08x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express10.571s (-2.4%)11.015s (~)0.444s51.00x
💻 LocalNext.js (Turbopack)10.723s (~)11.023s (~)0.300s51.01x
💻 LocalNitro10.825s (+2.5%)11.016s (~)0.191s51.02x
🐘 PostgresNext.js (Turbopack)15.286s (~)16.033s (~)0.747s51.45x
🐘 PostgresExpress20.190s (-1.4%)21.038s (~)0.848s51.91x
🐘 PostgresNitro20.488s (~)21.028s (~)0.540s51.94x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro22.051s (-4.4%)22.855s (-3.9%)0.804s51.00x
▲ VercelExpress22.288s (+0.9%)23.451s (+2.9%)1.163s51.01x
▲ VercelNext.js (Turbopack)22.895s (+2.9%)23.790s (+4.1%)0.895s51.04x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.352s (-3.0%)2.011s (~)0.658s151.00x
💻 LocalExpress1.355s (-3.9%)2.007s (~)0.652s151.00x
💻 LocalNitro1.411s (+4.2%)2.006s (~)0.595s151.04x
🐘 PostgresNext.js (Turbopack)1.900s (+7.7% 🔺)2.643s (+31.2% 🔺)0.743s121.41x
🐘 PostgresNitro2.284s (+2.2%)3.012s (~)0.729s101.69x
🐘 PostgresExpress2.427s (+11.8% 🔺)3.012s (~)0.585s101.79x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.058s (+7.1% 🔺)3.972s (+8.3% 🔺)0.914s81.00x
▲ VercelNext.js (Turbopack)3.149s (+15.1% 🔺)4.022s (+11.8% 🔺)0.873s81.03x
▲ VercelNitro3.253s (+6.2% 🔺)4.106s (+0.5%)0.852s81.06x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.150s (-14.3% 🟢)3.084s (+1.8%)0.935s101.00x
💻 LocalNitro2.475s (+10.3% 🔺)3.028s (-5.9% 🟢)0.553s101.15x
💻 LocalNext.js (Turbopack)2.493s (+1.5%)3.023s (-0.8%)0.531s101.16x
🐘 PostgresNitro8.046s (+10.8% 🔺)8.525s (+5.7% 🔺)0.479s43.74x
🐘 PostgresExpress9.067s (+21.2% 🔺)9.571s (+18.8% 🔺)0.504s44.22x
🐘 PostgresNext.js (Turbopack)10.900s (-8.7% 🟢)11.421s (-7.8% 🟢)0.522s35.07x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro3.328s (-17.9% 🟢)4.201s (-11.2% 🟢)0.873s81.00x
▲ VercelExpress3.420s (-37.7% 🟢)4.138s (-32.5% 🟢)0.718s81.03x
▲ VercelNext.js (Turbopack)3.802s (+12.0% 🔺)4.796s (-20.5% 🟢)0.994s71.14x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.360s (-5.3% 🟢)2.006s (~)0.646s151.00x
💻 LocalNitro1.417s (+2.4%)2.006s (~)0.589s151.04x
💻 LocalNext.js (Turbopack)1.418s (+0.8%)2.012s (~)0.594s151.04x
🐘 PostgresNext.js (Turbopack)1.531s (-25.8% 🟢)2.015s (-19.8% 🟢)0.484s151.13x
🐘 PostgresNitro2.136s (+2.2%)2.924s (+22.0% 🔺)0.788s111.57x
🐘 PostgresExpress2.230s (+4.9%)2.739s (+8.7% 🔺)0.510s111.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.687s (-37.9% 🟢)3.660s (-27.4% 🟢)0.973s91.00x
▲ VercelNitro2.794s (-27.6% 🟢)3.761s (-21.4% 🟢)0.968s81.04x
▲ VercelNext.js (Turbopack)2.822s (-38.1% 🟢)3.808s (-29.4% 🟢)0.986s81.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.237s (-12.6% 🟢)3.219s (+6.7% 🔺)0.982s101.00x
💻 LocalNitro2.575s (+8.3% 🔺)3.022s (-9.0% 🟢)0.446s101.15x
💻 LocalNext.js (Turbopack)2.578s (~)3.020s (-0.6%)0.442s101.15x
🐘 PostgresExpress10.288s (-18.3% 🟢)10.687s (-18.2% 🟢)0.399s34.60x
🐘 PostgresNext.js (Turbopack)11.128s (-16.7% 🟢)11.700s (-16.7% 🟢)0.572s34.97x
🐘 PostgresNitro11.391s (+3.4%)11.701s (+2.7%)0.310s35.09x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.867s (-24.3% 🟢)3.593s (-18.0% 🟢)0.726s91.00x
▲ VercelNitro2.944s (-8.7% 🟢)3.818s (-4.7%)0.875s81.03x
▲ VercelNext.js (Turbopack)3.334s (-18.1% 🟢)4.158s (-11.8% 🟢)0.825s81.16x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.116s (-37.1% 🟢)1.000s (+0.8%)0.013s (-15.2% 🟢)1.021s (~)0.905s101.00x
💻 LocalNext.js (Turbopack)0.145s (-2.5%)1.003s (~)0.017s (-0.6%)1.028s (~)0.883s101.24x
💻 LocalNitro0.180s (+55.2% 🔺)0.993s (-0.7%)0.015s (+21.7% 🔺)1.021s (~)0.841s101.55x
🐘 PostgresNext.js (Turbopack)1.192s (-15.0% 🟢)1.856s (+8.6% 🔺)0.000s (+Infinity% 🔺)2.021s (~)0.829s1010.24x
🐘 PostgresNitro2.337s (~)2.704s (~)0.000s (-100.0% 🟢)3.014s (~)0.677s1020.08x
🐘 PostgresExpress2.434s (+6.2% 🔺)2.609s (-5.3% 🟢)0.000s (NaN%)3.015s (~)0.581s1020.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.914s (+1.2%)3.210s (~)0.612s (+48.7% 🔺)4.353s (+6.9% 🔺)1.439s101.00x
▲ VercelExpress2.969s (+2.8%)3.167s (+0.7%)0.703s (-3.2%)4.403s (+1.2%)1.433s101.02x
▲ VercelNext.js (Turbopack)2.973s (-1.6%)3.356s (+3.9%)0.570s (+23.2% 🔺)4.534s (+9.7% 🔺)1.562s101.02x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalExpress7/8
🐘 PostgresNext.js (Turbopack)6/8
▲ VercelExpress5/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)💻 Local8/8
Nitro💻 Local8/8
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark
Worlds:
  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
@VaguelySeriousVaguelySerious
changed the title
feat(@workflow/nest): Simplify NestJS integration with standalone build tool[@workflow/nest] Simplify NestJS integration with standalone build toolJan 28, 2026
vercel[bot]
vercelBot
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Jan 28, 2026
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Additional Suggestions:
  1. NestJS test configuration references incorrect .nestjs/workflow/ output directory paths instead of the updated .workflow/ paths.
  1. README documentation shows outdated .nestjs/workflow default directory and deprecated SWC-based workflow setup instructions.
Fix on Vercel
Comment threadpackages/nest/src/cli.ts
vercelBotand others
added 2 commits
January 28, 2026 05:34
@vercel@VaguelySerious
Fix: The handleDev function calls fs.watch() on user-specified di…
d9007df
…rectories without checking if they exist first, causing an unhandled ENOENT crash with an unhelpful error message.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@vercel@VaguelySerious
Fix: NestJS test configuration references incorrect `.nestjs/workflow…
17c2c4b
…/` output directory paths instead of the updated `.workflow/` paths.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@VaguelySerious@claude
fix(nest): Fix CI failures for nest workbench
0603664
- Update test matrix paths from .nestjs/workflow to .workflow
- Add .swcrc to configure ESM output for NestJS with "type": "module"
- Handle duplicate workflow names in client.js generation by appending suffix
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Add byFile exports and filename-based lookup for workbench…
dafc025
… compatibility
- Add byFile exports grouped by source file path for workbench registry
- Add findByFilename helper to match workflows by filename regardless of path prefix
- Handle duplicate workflow names with numeric suffixes
- Preserve dots in workflow names for class methods (e.g., Calculator.calculate)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Support direct workflow name lookup in client mode
88e252a
In client mode using byFile exports, workflows are keyed by their full
dot-notation name (e.g., 'Calculator.calculate') rather than being nested
under class constructors. Update the trigger endpoint to first try direct
lookup, then fall back to class-based lookup for traditional mode.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@vercel
vercelBottemporarily deployed
to
Preview – workflow-docs
January 28, 2026 06:56
Inactive

@VaguelySeriousVaguelySerious
mentioned this pull request
Jul 17, 2026
 Merged

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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
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[NestJS] Simplify NestJS integration with standalone build tool by VaguelySerious · Pull Request #878 · vercel/workflow · GitHub
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[NestJS] Simplify NestJS integration with standalone build tool - #878
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[NestJS] Simplify NestJS integration with standalone build tool#878
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  • Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
  • Add workflow-nest build command to build workflow bundles independently
  • Generate .workflow/client.js with workflow metadata for use with start()
  • Add workflow-nest dev command for watch mode
  • Update default output directory from .nestjs/workflow to .workflow
  • Deprecate workflow-nest init in favor of build command
BREAKING CHANGE: Users now import workflow metadata from .workflow/client.js instead of importing directly from workflow files. This allows NestJS to use any compiler (tsc, swc, or babel) without requiring SWC configuration.
@VaguelySerious@claude
feat(@workflow/nest): Simplify NestJS integration with standalone bui…
ce87fb4
…ld tool
- Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
- Add `workflow-nest build` command to build workflow bundles independently
- Generate `.workflow/client.js` with workflow metadata for use with start()
- Add `workflow-nest dev` command for watch mode
- Update default output directory from .nestjs/workflow to .workflow
- Deprecate `workflow-nest init` in favor of build command
BREAKING CHANGE: Users now import workflow metadata from `.workflow/client.js`
instead of importing directly from workflow files. This allows NestJS to use
any compiler (tsc, swc, or babel) without requiring SWC configuration.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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⚠️ No Changeset found
Latest commit: 88e252a
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production457038495
✅ 💻 Local Development418032450
✅ 📦 Local Production418032450
✅ 🐘 Local Postgres418032450
✅ 🪟 Windows450045
❌ 🌍 Community Worlds311610192
✅ 📋 Other123012135
Total19101611462217
❌ Failed Tests
🌍 Community Worlds (161 failed)
mongodb (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
redis (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
starter (41 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
turso (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro4104
✅ example4104
✅ express4104
✅ fastify4104
✅ hono4104
✅ nextjs-turbopack4401
✅ nextjs-webpack4401
✅ nitro4104
✅ nuxt4104
✅ sveltekit4104
✅ vite4104
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack4500
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev300
❌ mongodb5400
✅ redis-dev300
❌ redis5400
✅ starter-dev300
❌ starter4410
✅ turso-dev300
❌ turso5400
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable4104
✅ e2e-local-postgres-nest-stable4104
✅ e2e-local-prod-nest-stable4104
📋 View full workflow run
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.030s (-29.3% 🟢)1.008s (~)0.978s101.00x
💻 LocalNext.js (Turbopack)0.041s (-0.7%)1.019s (~)0.978s101.36x
💻 LocalNitro0.045s (+53.8% 🔺)1.007s (~)0.962s101.49x
🐘 PostgresNext.js (Turbopack)0.164s (-58.3% 🟢)1.019s (~)0.855s105.46x
🐘 PostgresNitro0.252s (-3.6%)1.013s (~)0.761s108.37x
🐘 PostgresExpress0.475s (+58.7% 🔺)1.014s (~)0.540s1015.77x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.708s (+22.5% 🔺)1.680s (+15.1% 🔺)0.973s101.00x
▲ VercelNitro0.770s (+22.7% 🔺)1.732s (+11.4% 🔺)0.963s101.09x
▲ VercelNext.js (Turbopack)0.830s (+9.2% 🔺)1.880s (+22.5% 🔺)1.050s101.17x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.078s (-3.4%)2.008s (~)0.930s101.00x
💻 LocalNext.js (Turbopack)1.094s (-0.9%)2.012s (~)0.918s101.02x
💻 LocalNitro1.113s (+3.2%)2.006s (~)0.893s101.03x
🐘 PostgresNext.js (Turbopack)1.906s (-15.1% 🟢)2.120s (-29.8% 🟢)0.214s101.77x
🐘 PostgresNitro2.121s (~)3.013s (~)0.893s101.97x
🐘 PostgresExpress2.330s (+8.8% 🔺)3.014s (~)0.684s102.16x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.843s (-12.0% 🟢)3.758s (-6.0% 🟢)0.915s101.00x
▲ VercelNext.js (Turbopack)2.963s (+6.5% 🔺)3.885s (+9.4% 🔺)0.922s101.04x
▲ VercelNitro3.071s (+13.3% 🔺)4.437s (+23.2% 🔺)1.366s101.08x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express10.571s (-2.4%)11.015s (~)0.444s51.00x
💻 LocalNext.js (Turbopack)10.723s (~)11.023s (~)0.300s51.01x
💻 LocalNitro10.825s (+2.5%)11.016s (~)0.191s51.02x
🐘 PostgresNext.js (Turbopack)15.286s (~)16.033s (~)0.747s51.45x
🐘 PostgresExpress20.190s (-1.4%)21.038s (~)0.848s51.91x
🐘 PostgresNitro20.488s (~)21.028s (~)0.540s51.94x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro22.051s (-4.4%)22.855s (-3.9%)0.804s51.00x
▲ VercelExpress22.288s (+0.9%)23.451s (+2.9%)1.163s51.01x
▲ VercelNext.js (Turbopack)22.895s (+2.9%)23.790s (+4.1%)0.895s51.04x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.352s (-3.0%)2.011s (~)0.658s151.00x
💻 LocalExpress1.355s (-3.9%)2.007s (~)0.652s151.00x
💻 LocalNitro1.411s (+4.2%)2.006s (~)0.595s151.04x
🐘 PostgresNext.js (Turbopack)1.900s (+7.7% 🔺)2.643s (+31.2% 🔺)0.743s121.41x
🐘 PostgresNitro2.284s (+2.2%)3.012s (~)0.729s101.69x
🐘 PostgresExpress2.427s (+11.8% 🔺)3.012s (~)0.585s101.79x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.058s (+7.1% 🔺)3.972s (+8.3% 🔺)0.914s81.00x
▲ VercelNext.js (Turbopack)3.149s (+15.1% 🔺)4.022s (+11.8% 🔺)0.873s81.03x
▲ VercelNitro3.253s (+6.2% 🔺)4.106s (+0.5%)0.852s81.06x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.150s (-14.3% 🟢)3.084s (+1.8%)0.935s101.00x
💻 LocalNitro2.475s (+10.3% 🔺)3.028s (-5.9% 🟢)0.553s101.15x
💻 LocalNext.js (Turbopack)2.493s (+1.5%)3.023s (-0.8%)0.531s101.16x
🐘 PostgresNitro8.046s (+10.8% 🔺)8.525s (+5.7% 🔺)0.479s43.74x
🐘 PostgresExpress9.067s (+21.2% 🔺)9.571s (+18.8% 🔺)0.504s44.22x
🐘 PostgresNext.js (Turbopack)10.900s (-8.7% 🟢)11.421s (-7.8% 🟢)0.522s35.07x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro3.328s (-17.9% 🟢)4.201s (-11.2% 🟢)0.873s81.00x
▲ VercelExpress3.420s (-37.7% 🟢)4.138s (-32.5% 🟢)0.718s81.03x
▲ VercelNext.js (Turbopack)3.802s (+12.0% 🔺)4.796s (-20.5% 🟢)0.994s71.14x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.360s (-5.3% 🟢)2.006s (~)0.646s151.00x
💻 LocalNitro1.417s (+2.4%)2.006s (~)0.589s151.04x
💻 LocalNext.js (Turbopack)1.418s (+0.8%)2.012s (~)0.594s151.04x
🐘 PostgresNext.js (Turbopack)1.531s (-25.8% 🟢)2.015s (-19.8% 🟢)0.484s151.13x
🐘 PostgresNitro2.136s (+2.2%)2.924s (+22.0% 🔺)0.788s111.57x
🐘 PostgresExpress2.230s (+4.9%)2.739s (+8.7% 🔺)0.510s111.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.687s (-37.9% 🟢)3.660s (-27.4% 🟢)0.973s91.00x
▲ VercelNitro2.794s (-27.6% 🟢)3.761s (-21.4% 🟢)0.968s81.04x
▲ VercelNext.js (Turbopack)2.822s (-38.1% 🟢)3.808s (-29.4% 🟢)0.986s81.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.237s (-12.6% 🟢)3.219s (+6.7% 🔺)0.982s101.00x
💻 LocalNitro2.575s (+8.3% 🔺)3.022s (-9.0% 🟢)0.446s101.15x
💻 LocalNext.js (Turbopack)2.578s (~)3.020s (-0.6%)0.442s101.15x
🐘 PostgresExpress10.288s (-18.3% 🟢)10.687s (-18.2% 🟢)0.399s34.60x
🐘 PostgresNext.js (Turbopack)11.128s (-16.7% 🟢)11.700s (-16.7% 🟢)0.572s34.97x
🐘 PostgresNitro11.391s (+3.4%)11.701s (+2.7%)0.310s35.09x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.867s (-24.3% 🟢)3.593s (-18.0% 🟢)0.726s91.00x
▲ VercelNitro2.944s (-8.7% 🟢)3.818s (-4.7%)0.875s81.03x
▲ VercelNext.js (Turbopack)3.334s (-18.1% 🟢)4.158s (-11.8% 🟢)0.825s81.16x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.116s (-37.1% 🟢)1.000s (+0.8%)0.013s (-15.2% 🟢)1.021s (~)0.905s101.00x
💻 LocalNext.js (Turbopack)0.145s (-2.5%)1.003s (~)0.017s (-0.6%)1.028s (~)0.883s101.24x
💻 LocalNitro0.180s (+55.2% 🔺)0.993s (-0.7%)0.015s (+21.7% 🔺)1.021s (~)0.841s101.55x
🐘 PostgresNext.js (Turbopack)1.192s (-15.0% 🟢)1.856s (+8.6% 🔺)0.000s (+Infinity% 🔺)2.021s (~)0.829s1010.24x
🐘 PostgresNitro2.337s (~)2.704s (~)0.000s (-100.0% 🟢)3.014s (~)0.677s1020.08x
🐘 PostgresExpress2.434s (+6.2% 🔺)2.609s (-5.3% 🟢)0.000s (NaN%)3.015s (~)0.581s1020.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.914s (+1.2%)3.210s (~)0.612s (+48.7% 🔺)4.353s (+6.9% 🔺)1.439s101.00x
▲ VercelExpress2.969s (+2.8%)3.167s (+0.7%)0.703s (-3.2%)4.403s (+1.2%)1.433s101.02x
▲ VercelNext.js (Turbopack)2.973s (-1.6%)3.356s (+3.9%)0.570s (+23.2% 🔺)4.534s (+9.7% 🔺)1.562s101.02x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalExpress7/8
🐘 PostgresNext.js (Turbopack)6/8
▲ VercelExpress5/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)💻 Local8/8
Nitro💻 Local8/8
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark
Worlds:
  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
@VaguelySeriousVaguelySerious
changed the title
feat(@workflow/nest): Simplify NestJS integration with standalone build tool[@workflow/nest] Simplify NestJS integration with standalone build toolJan 28, 2026
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Additional Suggestions:
  1. NestJS test configuration references incorrect .nestjs/workflow/ output directory paths instead of the updated .workflow/ paths.
  1. README documentation shows outdated .nestjs/workflow default directory and deprecated SWC-based workflow setup instructions.
Fix on Vercel
Comment threadpackages/nest/src/cli.ts
vercelBotand others
added 2 commits
January 28, 2026 05:34
@vercel@VaguelySerious
Fix: The handleDev function calls fs.watch() on user-specified di…
d9007df
…rectories without checking if they exist first, causing an unhandled ENOENT crash with an unhelpful error message.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@vercel@VaguelySerious
Fix: NestJS test configuration references incorrect `.nestjs/workflow…
17c2c4b
…/` output directory paths instead of the updated `.workflow/` paths.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@VaguelySerious@claude
fix(nest): Fix CI failures for nest workbench
0603664
- Update test matrix paths from .nestjs/workflow to .workflow
- Add .swcrc to configure ESM output for NestJS with "type": "module"
- Handle duplicate workflow names in client.js generation by appending suffix
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Add byFile exports and filename-based lookup for workbench…
dafc025
… compatibility
- Add byFile exports grouped by source file path for workbench registry
- Add findByFilename helper to match workflows by filename regardless of path prefix
- Handle duplicate workflow names with numeric suffixes
- Preserve dots in workflow names for class methods (e.g., Calculator.calculate)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Support direct workflow name lookup in client mode
88e252a
In client mode using byFile exports, workflows are keyed by their full
dot-notation name (e.g., 'Calculator.calculate') rather than being nested
under class constructors. Update the trigger endpoint to first try direct
lookup, then fall back to class-based lookup for traditional mode.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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January 28, 2026 06:56
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@VaguelySeriousVaguelySerious
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Jul 17, 2026
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[NestJS] Simplify NestJS integration with standalone build tool by VaguelySerious · Pull Request #878 · vercel/workflow · GitHub
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[NestJS] Simplify NestJS integration with standalone build tool - #878
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Jan 28, 2026

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  • Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
  • Add workflow-nest build command to build workflow bundles independently
  • Generate .workflow/client.js with workflow metadata for use with start()
  • Add workflow-nest dev command for watch mode
  • Update default output directory from .nestjs/workflow to .workflow
  • Deprecate workflow-nest init in favor of build command
BREAKING CHANGE: Users now import workflow metadata from .workflow/client.js instead of importing directly from workflow files. This allows NestJS to use any compiler (tsc, swc, or babel) without requiring SWC configuration.
@VaguelySerious@claude
feat(@workflow/nest): Simplify NestJS integration with standalone bui…
ce87fb4
…ld tool
- Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
- Add `workflow-nest build` command to build workflow bundles independently
- Generate `.workflow/client.js` with workflow metadata for use with start()
- Add `workflow-nest dev` command for watch mode
- Update default output directory from .nestjs/workflow to .workflow
- Deprecate `workflow-nest init` in favor of build command
BREAKING CHANGE: Users now import workflow metadata from `.workflow/client.js`
instead of importing directly from workflow files. This allows NestJS to use
any compiler (tsc, swc, or babel) without requiring SWC configuration.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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⚠️ No Changeset found
Latest commit: 88e252a
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production457038495
✅ 💻 Local Development418032450
✅ 📦 Local Production418032450
✅ 🐘 Local Postgres418032450
✅ 🪟 Windows450045
❌ 🌍 Community Worlds311610192
✅ 📋 Other123012135
Total19101611462217
❌ Failed Tests
🌍 Community Worlds (161 failed)
mongodb (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
redis (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
starter (41 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
turso (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro4104
✅ example4104
✅ express4104
✅ fastify4104
✅ hono4104
✅ nextjs-turbopack4401
✅ nextjs-webpack4401
✅ nitro4104
✅ nuxt4104
✅ sveltekit4104
✅ vite4104
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack4500
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev300
❌ mongodb5400
✅ redis-dev300
❌ redis5400
✅ starter-dev300
❌ starter4410
✅ turso-dev300
❌ turso5400
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable4104
✅ e2e-local-postgres-nest-stable4104
✅ e2e-local-prod-nest-stable4104
📋 View full workflow run
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.030s (-29.3% 🟢)1.008s (~)0.978s101.00x
💻 LocalNext.js (Turbopack)0.041s (-0.7%)1.019s (~)0.978s101.36x
💻 LocalNitro0.045s (+53.8% 🔺)1.007s (~)0.962s101.49x
🐘 PostgresNext.js (Turbopack)0.164s (-58.3% 🟢)1.019s (~)0.855s105.46x
🐘 PostgresNitro0.252s (-3.6%)1.013s (~)0.761s108.37x
🐘 PostgresExpress0.475s (+58.7% 🔺)1.014s (~)0.540s1015.77x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.708s (+22.5% 🔺)1.680s (+15.1% 🔺)0.973s101.00x
▲ VercelNitro0.770s (+22.7% 🔺)1.732s (+11.4% 🔺)0.963s101.09x
▲ VercelNext.js (Turbopack)0.830s (+9.2% 🔺)1.880s (+22.5% 🔺)1.050s101.17x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.078s (-3.4%)2.008s (~)0.930s101.00x
💻 LocalNext.js (Turbopack)1.094s (-0.9%)2.012s (~)0.918s101.02x
💻 LocalNitro1.113s (+3.2%)2.006s (~)0.893s101.03x
🐘 PostgresNext.js (Turbopack)1.906s (-15.1% 🟢)2.120s (-29.8% 🟢)0.214s101.77x
🐘 PostgresNitro2.121s (~)3.013s (~)0.893s101.97x
🐘 PostgresExpress2.330s (+8.8% 🔺)3.014s (~)0.684s102.16x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.843s (-12.0% 🟢)3.758s (-6.0% 🟢)0.915s101.00x
▲ VercelNext.js (Turbopack)2.963s (+6.5% 🔺)3.885s (+9.4% 🔺)0.922s101.04x
▲ VercelNitro3.071s (+13.3% 🔺)4.437s (+23.2% 🔺)1.366s101.08x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express10.571s (-2.4%)11.015s (~)0.444s51.00x
💻 LocalNext.js (Turbopack)10.723s (~)11.023s (~)0.300s51.01x
💻 LocalNitro10.825s (+2.5%)11.016s (~)0.191s51.02x
🐘 PostgresNext.js (Turbopack)15.286s (~)16.033s (~)0.747s51.45x
🐘 PostgresExpress20.190s (-1.4%)21.038s (~)0.848s51.91x
🐘 PostgresNitro20.488s (~)21.028s (~)0.540s51.94x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro22.051s (-4.4%)22.855s (-3.9%)0.804s51.00x
▲ VercelExpress22.288s (+0.9%)23.451s (+2.9%)1.163s51.01x
▲ VercelNext.js (Turbopack)22.895s (+2.9%)23.790s (+4.1%)0.895s51.04x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.352s (-3.0%)2.011s (~)0.658s151.00x
💻 LocalExpress1.355s (-3.9%)2.007s (~)0.652s151.00x
💻 LocalNitro1.411s (+4.2%)2.006s (~)0.595s151.04x
🐘 PostgresNext.js (Turbopack)1.900s (+7.7% 🔺)2.643s (+31.2% 🔺)0.743s121.41x
🐘 PostgresNitro2.284s (+2.2%)3.012s (~)0.729s101.69x
🐘 PostgresExpress2.427s (+11.8% 🔺)3.012s (~)0.585s101.79x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.058s (+7.1% 🔺)3.972s (+8.3% 🔺)0.914s81.00x
▲ VercelNext.js (Turbopack)3.149s (+15.1% 🔺)4.022s (+11.8% 🔺)0.873s81.03x
▲ VercelNitro3.253s (+6.2% 🔺)4.106s (+0.5%)0.852s81.06x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.150s (-14.3% 🟢)3.084s (+1.8%)0.935s101.00x
💻 LocalNitro2.475s (+10.3% 🔺)3.028s (-5.9% 🟢)0.553s101.15x
💻 LocalNext.js (Turbopack)2.493s (+1.5%)3.023s (-0.8%)0.531s101.16x
🐘 PostgresNitro8.046s (+10.8% 🔺)8.525s (+5.7% 🔺)0.479s43.74x
🐘 PostgresExpress9.067s (+21.2% 🔺)9.571s (+18.8% 🔺)0.504s44.22x
🐘 PostgresNext.js (Turbopack)10.900s (-8.7% 🟢)11.421s (-7.8% 🟢)0.522s35.07x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro3.328s (-17.9% 🟢)4.201s (-11.2% 🟢)0.873s81.00x
▲ VercelExpress3.420s (-37.7% 🟢)4.138s (-32.5% 🟢)0.718s81.03x
▲ VercelNext.js (Turbopack)3.802s (+12.0% 🔺)4.796s (-20.5% 🟢)0.994s71.14x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.360s (-5.3% 🟢)2.006s (~)0.646s151.00x
💻 LocalNitro1.417s (+2.4%)2.006s (~)0.589s151.04x
💻 LocalNext.js (Turbopack)1.418s (+0.8%)2.012s (~)0.594s151.04x
🐘 PostgresNext.js (Turbopack)1.531s (-25.8% 🟢)2.015s (-19.8% 🟢)0.484s151.13x
🐘 PostgresNitro2.136s (+2.2%)2.924s (+22.0% 🔺)0.788s111.57x
🐘 PostgresExpress2.230s (+4.9%)2.739s (+8.7% 🔺)0.510s111.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.687s (-37.9% 🟢)3.660s (-27.4% 🟢)0.973s91.00x
▲ VercelNitro2.794s (-27.6% 🟢)3.761s (-21.4% 🟢)0.968s81.04x
▲ VercelNext.js (Turbopack)2.822s (-38.1% 🟢)3.808s (-29.4% 🟢)0.986s81.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.237s (-12.6% 🟢)3.219s (+6.7% 🔺)0.982s101.00x
💻 LocalNitro2.575s (+8.3% 🔺)3.022s (-9.0% 🟢)0.446s101.15x
💻 LocalNext.js (Turbopack)2.578s (~)3.020s (-0.6%)0.442s101.15x
🐘 PostgresExpress10.288s (-18.3% 🟢)10.687s (-18.2% 🟢)0.399s34.60x
🐘 PostgresNext.js (Turbopack)11.128s (-16.7% 🟢)11.700s (-16.7% 🟢)0.572s34.97x
🐘 PostgresNitro11.391s (+3.4%)11.701s (+2.7%)0.310s35.09x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.867s (-24.3% 🟢)3.593s (-18.0% 🟢)0.726s91.00x
▲ VercelNitro2.944s (-8.7% 🟢)3.818s (-4.7%)0.875s81.03x
▲ VercelNext.js (Turbopack)3.334s (-18.1% 🟢)4.158s (-11.8% 🟢)0.825s81.16x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.116s (-37.1% 🟢)1.000s (+0.8%)0.013s (-15.2% 🟢)1.021s (~)0.905s101.00x
💻 LocalNext.js (Turbopack)0.145s (-2.5%)1.003s (~)0.017s (-0.6%)1.028s (~)0.883s101.24x
💻 LocalNitro0.180s (+55.2% 🔺)0.993s (-0.7%)0.015s (+21.7% 🔺)1.021s (~)0.841s101.55x
🐘 PostgresNext.js (Turbopack)1.192s (-15.0% 🟢)1.856s (+8.6% 🔺)0.000s (+Infinity% 🔺)2.021s (~)0.829s1010.24x
🐘 PostgresNitro2.337s (~)2.704s (~)0.000s (-100.0% 🟢)3.014s (~)0.677s1020.08x
🐘 PostgresExpress2.434s (+6.2% 🔺)2.609s (-5.3% 🟢)0.000s (NaN%)3.015s (~)0.581s1020.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.914s (+1.2%)3.210s (~)0.612s (+48.7% 🔺)4.353s (+6.9% 🔺)1.439s101.00x
▲ VercelExpress2.969s (+2.8%)3.167s (+0.7%)0.703s (-3.2%)4.403s (+1.2%)1.433s101.02x
▲ VercelNext.js (Turbopack)2.973s (-1.6%)3.356s (+3.9%)0.570s (+23.2% 🔺)4.534s (+9.7% 🔺)1.562s101.02x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalExpress7/8
🐘 PostgresNext.js (Turbopack)6/8
▲ VercelExpress5/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)💻 Local8/8
Nitro💻 Local8/8
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark
Worlds:
  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
@VaguelySeriousVaguelySerious
changed the title
feat(@workflow/nest): Simplify NestJS integration with standalone build tool[@workflow/nest] Simplify NestJS integration with standalone build toolJan 28, 2026
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Additional Suggestions:
  1. NestJS test configuration references incorrect .nestjs/workflow/ output directory paths instead of the updated .workflow/ paths.
  1. README documentation shows outdated .nestjs/workflow default directory and deprecated SWC-based workflow setup instructions.
Fix on Vercel
Comment threadpackages/nest/src/cli.ts
vercelBotand others
added 2 commits
January 28, 2026 05:34
@vercel@VaguelySerious
Fix: The handleDev function calls fs.watch() on user-specified di…
d9007df
…rectories without checking if they exist first, causing an unhandled ENOENT crash with an unhelpful error message.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@vercel@VaguelySerious
Fix: NestJS test configuration references incorrect `.nestjs/workflow…
17c2c4b
…/` output directory paths instead of the updated `.workflow/` paths.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@VaguelySerious@claude
fix(nest): Fix CI failures for nest workbench
0603664
- Update test matrix paths from .nestjs/workflow to .workflow
- Add .swcrc to configure ESM output for NestJS with "type": "module"
- Handle duplicate workflow names in client.js generation by appending suffix
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Add byFile exports and filename-based lookup for workbench…
dafc025
… compatibility
- Add byFile exports grouped by source file path for workbench registry
- Add findByFilename helper to match workflows by filename regardless of path prefix
- Handle duplicate workflow names with numeric suffixes
- Preserve dots in workflow names for class methods (e.g., Calculator.calculate)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Support direct workflow name lookup in client mode
88e252a
In client mode using byFile exports, workflows are keyed by their full
dot-notation name (e.g., 'Calculator.calculate') rather than being nested
under class constructors. Update the trigger endpoint to first try direct
lookup, then fall back to class-based lookup for traditional mode.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Preview – workflow-docs
January 28, 2026 06:56
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@VaguelySeriousVaguelySerious
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Jul 17, 2026
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el.style.position = 'static';
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[NestJS] Simplify NestJS integration with standalone build tool by VaguelySerious · Pull Request #878 · vercel/workflow · GitHub
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  • Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
  • Add workflow-nest build command to build workflow bundles independently
  • Generate .workflow/client.js with workflow metadata for use with start()
  • Add workflow-nest dev command for watch mode
  • Update default output directory from .nestjs/workflow to .workflow
  • Deprecate workflow-nest init in favor of build command
BREAKING CHANGE: Users now import workflow metadata from .workflow/client.js instead of importing directly from workflow files. This allows NestJS to use any compiler (tsc, swc, or babel) without requiring SWC configuration.
@VaguelySerious@claude
feat(@workflow/nest): Simplify NestJS integration with standalone bui…
ce87fb4
…ld tool
- Remove SWC peer dependencies (@swc/cli, @swc/core no longer required)
- Add `workflow-nest build` command to build workflow bundles independently
- Generate `.workflow/client.js` with workflow metadata for use with start()
- Add `workflow-nest dev` command for watch mode
- Update default output directory from .nestjs/workflow to .workflow
- Deprecate `workflow-nest init` in favor of build command
BREAKING CHANGE: Users now import workflow metadata from `.workflow/client.js`
instead of importing directly from workflow files. This allows NestJS to use
any compiler (tsc, swc, or babel) without requiring SWC configuration.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production457038495
✅ 💻 Local Development418032450
✅ 📦 Local Production418032450
✅ 🐘 Local Postgres418032450
✅ 🪟 Windows450045
❌ 🌍 Community Worlds311610192
✅ 📋 Other123012135
Total19101611462217
❌ Failed Tests
🌍 Community Worlds (161 failed)
mongodb (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
redis (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
starter (41 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
turso (40 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly
  • Calculator.calculate - static workflow method using static step methods from another class
  • AllInOneService.processNumber - static workflow method using sibling static step methods
  • ChainableService.processWithThis - static step methods using this to reference the class
  • thisSerializationWorkflow - step function invoked with .call() and .apply()
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro4104
✅ example4104
✅ express4104
✅ fastify4104
✅ hono4104
✅ nextjs-turbopack4401
✅ nextjs-webpack4401
✅ nitro4104
✅ nuxt4104
✅ sveltekit4104
✅ vite4104
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 📦 Local Production
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✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🐘 Local Postgres
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✅ astro-stable4104
✅ express-stable4104
✅ fastify-stable4104
✅ hono-stable4104
✅ nextjs-turbopack-stable4500
✅ nextjs-webpack-stable4500
✅ nitro-stable4104
✅ nuxt-stable4104
✅ sveltekit-stable4104
✅ vite-stable4104
✅ 🪟 Windows
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❌ 🌍 Community Worlds
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✅ mongodb-dev300
❌ mongodb5400
✅ redis-dev300
❌ redis5400
✅ starter-dev300
❌ starter4410
✅ turso-dev300
❌ turso5400
✅ 📋 Other
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✅ e2e-local-dev-nest-stable4104
✅ e2e-local-postgres-nest-stable4104
✅ e2e-local-prod-nest-stable4104
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.030s (-29.3% 🟢)1.008s (~)0.978s101.00x
💻 LocalNext.js (Turbopack)0.041s (-0.7%)1.019s (~)0.978s101.36x
💻 LocalNitro0.045s (+53.8% 🔺)1.007s (~)0.962s101.49x
🐘 PostgresNext.js (Turbopack)0.164s (-58.3% 🟢)1.019s (~)0.855s105.46x
🐘 PostgresNitro0.252s (-3.6%)1.013s (~)0.761s108.37x
🐘 PostgresExpress0.475s (+58.7% 🔺)1.014s (~)0.540s1015.77x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.708s (+22.5% 🔺)1.680s (+15.1% 🔺)0.973s101.00x
▲ VercelNitro0.770s (+22.7% 🔺)1.732s (+11.4% 🔺)0.963s101.09x
▲ VercelNext.js (Turbopack)0.830s (+9.2% 🔺)1.880s (+22.5% 🔺)1.050s101.17x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.078s (-3.4%)2.008s (~)0.930s101.00x
💻 LocalNext.js (Turbopack)1.094s (-0.9%)2.012s (~)0.918s101.02x
💻 LocalNitro1.113s (+3.2%)2.006s (~)0.893s101.03x
🐘 PostgresNext.js (Turbopack)1.906s (-15.1% 🟢)2.120s (-29.8% 🟢)0.214s101.77x
🐘 PostgresNitro2.121s (~)3.013s (~)0.893s101.97x
🐘 PostgresExpress2.330s (+8.8% 🔺)3.014s (~)0.684s102.16x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.843s (-12.0% 🟢)3.758s (-6.0% 🟢)0.915s101.00x
▲ VercelNext.js (Turbopack)2.963s (+6.5% 🔺)3.885s (+9.4% 🔺)0.922s101.04x
▲ VercelNitro3.071s (+13.3% 🔺)4.437s (+23.2% 🔺)1.366s101.08x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express10.571s (-2.4%)11.015s (~)0.444s51.00x
💻 LocalNext.js (Turbopack)10.723s (~)11.023s (~)0.300s51.01x
💻 LocalNitro10.825s (+2.5%)11.016s (~)0.191s51.02x
🐘 PostgresNext.js (Turbopack)15.286s (~)16.033s (~)0.747s51.45x
🐘 PostgresExpress20.190s (-1.4%)21.038s (~)0.848s51.91x
🐘 PostgresNitro20.488s (~)21.028s (~)0.540s51.94x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro22.051s (-4.4%)22.855s (-3.9%)0.804s51.00x
▲ VercelExpress22.288s (+0.9%)23.451s (+2.9%)1.163s51.01x
▲ VercelNext.js (Turbopack)22.895s (+2.9%)23.790s (+4.1%)0.895s51.04x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.352s (-3.0%)2.011s (~)0.658s151.00x
💻 LocalExpress1.355s (-3.9%)2.007s (~)0.652s151.00x
💻 LocalNitro1.411s (+4.2%)2.006s (~)0.595s151.04x
🐘 PostgresNext.js (Turbopack)1.900s (+7.7% 🔺)2.643s (+31.2% 🔺)0.743s121.41x
🐘 PostgresNitro2.284s (+2.2%)3.012s (~)0.729s101.69x
🐘 PostgresExpress2.427s (+11.8% 🔺)3.012s (~)0.585s101.79x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.058s (+7.1% 🔺)3.972s (+8.3% 🔺)0.914s81.00x
▲ VercelNext.js (Turbopack)3.149s (+15.1% 🔺)4.022s (+11.8% 🔺)0.873s81.03x
▲ VercelNitro3.253s (+6.2% 🔺)4.106s (+0.5%)0.852s81.06x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.150s (-14.3% 🟢)3.084s (+1.8%)0.935s101.00x
💻 LocalNitro2.475s (+10.3% 🔺)3.028s (-5.9% 🟢)0.553s101.15x
💻 LocalNext.js (Turbopack)2.493s (+1.5%)3.023s (-0.8%)0.531s101.16x
🐘 PostgresNitro8.046s (+10.8% 🔺)8.525s (+5.7% 🔺)0.479s43.74x
🐘 PostgresExpress9.067s (+21.2% 🔺)9.571s (+18.8% 🔺)0.504s44.22x
🐘 PostgresNext.js (Turbopack)10.900s (-8.7% 🟢)11.421s (-7.8% 🟢)0.522s35.07x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro3.328s (-17.9% 🟢)4.201s (-11.2% 🟢)0.873s81.00x
▲ VercelExpress3.420s (-37.7% 🟢)4.138s (-32.5% 🟢)0.718s81.03x
▲ VercelNext.js (Turbopack)3.802s (+12.0% 🔺)4.796s (-20.5% 🟢)0.994s71.14x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express1.360s (-5.3% 🟢)2.006s (~)0.646s151.00x
💻 LocalNitro1.417s (+2.4%)2.006s (~)0.589s151.04x
💻 LocalNext.js (Turbopack)1.418s (+0.8%)2.012s (~)0.594s151.04x
🐘 PostgresNext.js (Turbopack)1.531s (-25.8% 🟢)2.015s (-19.8% 🟢)0.484s151.13x
🐘 PostgresNitro2.136s (+2.2%)2.924s (+22.0% 🔺)0.788s111.57x
🐘 PostgresExpress2.230s (+4.9%)2.739s (+8.7% 🔺)0.510s111.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.687s (-37.9% 🟢)3.660s (-27.4% 🟢)0.973s91.00x
▲ VercelNitro2.794s (-27.6% 🟢)3.761s (-21.4% 🟢)0.968s81.04x
▲ VercelNext.js (Turbopack)2.822s (-38.1% 🟢)3.808s (-29.4% 🟢)0.986s81.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express2.237s (-12.6% 🟢)3.219s (+6.7% 🔺)0.982s101.00x
💻 LocalNitro2.575s (+8.3% 🔺)3.022s (-9.0% 🟢)0.446s101.15x
💻 LocalNext.js (Turbopack)2.578s (~)3.020s (-0.6%)0.442s101.15x
🐘 PostgresExpress10.288s (-18.3% 🟢)10.687s (-18.2% 🟢)0.399s34.60x
🐘 PostgresNext.js (Turbopack)11.128s (-16.7% 🟢)11.700s (-16.7% 🟢)0.572s34.97x
🐘 PostgresNitro11.391s (+3.4%)11.701s (+2.7%)0.310s35.09x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.867s (-24.3% 🟢)3.593s (-18.0% 🟢)0.726s91.00x
▲ VercelNitro2.944s (-8.7% 🟢)3.818s (-4.7%)0.875s81.03x
▲ VercelNext.js (Turbopack)3.334s (-18.1% 🟢)4.158s (-11.8% 🟢)0.825s81.16x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.116s (-37.1% 🟢)1.000s (+0.8%)0.013s (-15.2% 🟢)1.021s (~)0.905s101.00x
💻 LocalNext.js (Turbopack)0.145s (-2.5%)1.003s (~)0.017s (-0.6%)1.028s (~)0.883s101.24x
💻 LocalNitro0.180s (+55.2% 🔺)0.993s (-0.7%)0.015s (+21.7% 🔺)1.021s (~)0.841s101.55x
🐘 PostgresNext.js (Turbopack)1.192s (-15.0% 🟢)1.856s (+8.6% 🔺)0.000s (+Infinity% 🔺)2.021s (~)0.829s1010.24x
🐘 PostgresNitro2.337s (~)2.704s (~)0.000s (-100.0% 🟢)3.014s (~)0.677s1020.08x
🐘 PostgresExpress2.434s (+6.2% 🔺)2.609s (-5.3% 🟢)0.000s (NaN%)3.015s (~)0.581s1020.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.914s (+1.2%)3.210s (~)0.612s (+48.7% 🔺)4.353s (+6.9% 🔺)1.439s101.00x
▲ VercelExpress2.969s (+2.8%)3.167s (+0.7%)0.703s (-3.2%)4.403s (+1.2%)1.433s101.02x
▲ VercelNext.js (Turbopack)2.973s (-1.6%)3.356s (+3.9%)0.570s (+23.2% 🔺)4.534s (+9.7% 🔺)1.562s101.02x
🔍 Observability: Nitro | Express | Next.js (Turbopack)
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalExpress7/8
🐘 PostgresNext.js (Turbopack)6/8
▲ VercelExpress5/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)💻 Local8/8
Nitro💻 Local8/8
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark
Worlds:
  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
@VaguelySeriousVaguelySerious
changed the title
feat(@workflow/nest): Simplify NestJS integration with standalone build tool[@workflow/nest] Simplify NestJS integration with standalone build toolJan 28, 2026
vercel[bot]
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Additional Suggestions:
  1. NestJS test configuration references incorrect .nestjs/workflow/ output directory paths instead of the updated .workflow/ paths.
  1. README documentation shows outdated .nestjs/workflow default directory and deprecated SWC-based workflow setup instructions.
Fix on Vercel
Comment threadpackages/nest/src/cli.ts
vercelBotand others
added 2 commits
January 28, 2026 05:34
@vercel@VaguelySerious
Fix: The handleDev function calls fs.watch() on user-specified di…
d9007df
…rectories without checking if they exist first, causing an unhandled ENOENT crash with an unhelpful error message.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@vercel@VaguelySerious
Fix: NestJS test configuration references incorrect `.nestjs/workflow…
17c2c4b
…/` output directory paths instead of the updated `.workflow/` paths.
Co-authored-by: VaguelySerious <mittgfu@gmail.com>
@VaguelySerious@claude
fix(nest): Fix CI failures for nest workbench
0603664
- Update test matrix paths from .nestjs/workflow to .workflow
- Add .swcrc to configure ESM output for NestJS with "type": "module"
- Handle duplicate workflow names in client.js generation by appending suffix
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Add byFile exports and filename-based lookup for workbench…
dafc025
… compatibility
- Add byFile exports grouped by source file path for workbench registry
- Add findByFilename helper to match workflows by filename regardless of path prefix
- Handle duplicate workflow names with numeric suffixes
- Preserve dots in workflow names for class methods (e.g., Calculator.calculate)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@VaguelySerious@claude
fix(nest): Support direct workflow name lookup in client mode
88e252a
In client mode using byFile exports, workflows are keyed by their full
dot-notation name (e.g., 'Calculator.calculate') rather than being nested
under class constructors. Update the trigger endpoint to first try direct
lookup, then fall back to class-based lookup for traditional mode.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Preview – workflow-docs
January 28, 2026 06:56
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@VaguelySeriousVaguelySerious
mentioned this pull request
Jul 17, 2026
 Merged

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