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fix(ts-plugin): allow direct workflow composition#2769

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nathanc/fix-child-workflow-warning
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fix(ts-plugin): allow direct workflow composition#2769
NathanColosimo wants to merge 1 commit into
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nathanc/fix-child-workflow-warning

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@NathanColosimo

@NathanColosimo NathanColosimo commented Jul 3, 2026

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Summary

Fixes #1234.

  • suppress TypeScript plugin diagnostic 9009 when a workflow directly calls another workflow from workflow context
  • keep diagnostic 9009 for workflow calls from non-workflow contexts, including step functions
  • share directive-capable function detection so static workflow methods are handled consistently

Verification

  • pnpm dlx pnpm@10.20.0 --filter @workflow/typescript-plugin test
  • pnpm dlx pnpm@10.20.0 --filter @workflow/typescript-plugin typecheck
  • pnpm dlx pnpm@10.20.0 --filter @workflow/typescript-plugin build
  • pnpm dlx pnpm@10.20.0 --filter @workflow/vitest-workbench exec vitest run test/cookbook-common.test.ts
  • pnpm dlx pnpm@10.20.0 exec biome check packages/typescript-plugin/src/diagnostics.ts packages/typescript-plugin/src/diagnostics.test.ts packages/typescript-plugin/src/utils.ts packages/typescript-plugin/src/utils.test.ts packages/typescript-plugin/src/completions.ts packages/typescript-plugin/src/hover.ts .changeset/quiet-workflows-join.md (exits 0; reports existing complexity warnings in diagnostics.ts)

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🦋 Changeset detected

Latest commit: f444d42

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 17 packages
Name Type
@workflow/typescript-plugin Patch
workflow Patch
@workflow/world-testing Patch
@workflow/core Patch
@workflow/builders Patch
@workflow/cli Patch
@workflow/next Patch
@workflow/nitro Patch
@workflow/vitest Patch
@workflow/web-shared Patch
@workflow/web Patch
@workflow/astro Patch
@workflow/nest Patch
@workflow/rollup Patch
@workflow/sveltekit Patch
@workflow/vite Patch
@workflow/nuxt Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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The latest updates on your projects. Learn more about Vercel for GitHub.

Project Deployment Actions Updated (UTC)
example-nextjs-workflow-turbopack Ready Ready Preview, Comment Jul 3, 2026 11:56pm
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🧪 E2E Test Results

❌ Some tests failed

Summary

Passed Failed Skipped Total
❌ ▲ Vercel Production 1441 1 230 1672
✅ 💻 Local Development 1605 0 219 1824
✅ 📦 Local Production 1605 0 219 1824
✅ 🐘 Local Postgres 1605 0 219 1824
✅ 🪟 Windows 152 0 0 152
✅ 📋 Other 887 0 177 1064
Total 7295 1 1064 8360

❌ Failed Tests

▲ Vercel Production (1 failed)

astro (1 failed):

  • AbortController abortAnyInStepWorkflow: AbortSignal.any inside a step composes deserialized signals

Details by Category

❌ ▲ Vercel Production
App Passed Failed Skipped
❌ astro 124 1 27
✅ example 125 0 27
✅ express 125 0 27
✅ fastify 125 0 27
✅ hono 125 0 27
✅ nextjs-turbopack 149 0 3
✅ nextjs-webpack 149 0 3
✅ nitro 125 0 27
✅ nuxt 125 0 27
✅ sveltekit 144 0 8
✅ vite 125 0 27
✅ 💻 Local Development
App Passed Failed Skipped
✅ astro-stable 127 0 25
✅ express-stable 127 0 25
✅ fastify-stable 127 0 25
✅ hono-stable 127 0 25
✅ nextjs-turbopack-canary 133 0 19
✅ nextjs-turbopack-stable 152 0 0
✅ nextjs-webpack-canary 133 0 19
✅ nextjs-webpack-stable 152 0 0
✅ nitro-stable 127 0 25
✅ nuxt-stable 127 0 25
✅ sveltekit-stable 146 0 6
✅ vite-stable 127 0 25
✅ 📦 Local Production
App Passed Failed Skipped
✅ astro-stable 127 0 25
✅ express-stable 127 0 25
✅ fastify-stable 127 0 25
✅ hono-stable 127 0 25
✅ nextjs-turbopack-canary 133 0 19
✅ nextjs-turbopack-stable 152 0 0
✅ nextjs-webpack-canary 133 0 19
✅ nextjs-webpack-stable 152 0 0
✅ nitro-stable 127 0 25
✅ nuxt-stable 127 0 25
✅ sveltekit-stable 146 0 6
✅ vite-stable 127 0 25
✅ 🐘 Local Postgres
App Passed Failed Skipped
✅ astro-stable 127 0 25
✅ express-stable 127 0 25
✅ fastify-stable 127 0 25
✅ hono-stable 127 0 25
✅ nextjs-turbopack-canary 133 0 19
✅ nextjs-turbopack-stable 152 0 0
✅ nextjs-webpack-canary 133 0 19
✅ nextjs-webpack-stable 152 0 0
✅ nitro-stable 127 0 25
✅ nuxt-stable 127 0 25
✅ sveltekit-stable 146 0 6
✅ vite-stable 127 0 25
✅ 🪟 Windows
App Passed Failed Skipped
✅ nextjs-turbopack 152 0 0
✅ 📋 Other
App Passed Failed Skipped
✅ e2e-local-dev-nest-stable 127 0 25
✅ e2e-local-dev-tanstack-start- 127 0 25
✅ e2e-local-postgres-nest-stable 127 0 25
✅ e2e-local-postgres-tanstack-start- 127 0 25
✅ e2e-local-prod-nest-stable 127 0 25
✅ e2e-local-prod-tanstack-start- 127 0 25
✅ e2e-vercel-prod-tanstack-start 125 0 27

📋 View full workflow run

❌ Some E2E test jobs failed:

  • Vercel Prod: failure
  • Local Dev: success
  • Local Prod: success
  • Local Postgres: success
  • Windows: success

Check the workflow run for details.

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📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Nitro 0.049s (-15.6% 🟢) 1.006s (-1.3%) 0.957s 10 1.00x
💻 Local Express 0.049s (+3.1%) 1.009s (~) 0.959s 10 1.01x
💻 Local Next.js (Turbopack) 0.054s (-2.7%) 1.006s (~) 0.952s 10 1.11x
🐘 Postgres Next.js (Turbopack) 0.061s (-1.4%) 1.011s (~) 0.950s 10 1.26x
🐘 Postgres Nitro 0.070s (+4.6%) 1.012s (~) 0.941s 10 1.44x
🐘 Postgres Express 0.075s (+16.9% 🔺) 1.012s (~) 0.937s 10 1.53x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 0.191s (+6.1% 🔺) 1.616s (-0.7%) 1.425s 10 1.00x
▲ Vercel Express 0.203s (-9.4% 🟢) 1.824s (+2.3%) 1.621s 10 1.06x
▲ Vercel Next.js (Turbopack) 0.591s (-20.8% 🟢) 2.137s (-13.3% 🟢) 1.546s 10 3.09x

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

workflow with 1 step

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Express 1.087s (+0.9%) 2.006s (~) 0.919s 10 1.00x
💻 Local Nitro 1.089s (+0.5%) 2.007s (~) 0.919s 10 1.00x
💻 Local Next.js (Turbopack) 1.094s (~) 2.006s (~) 0.912s 10 1.01x
🐘 Postgres Express 1.099s (~) 2.010s (~) 0.910s 10 1.01x
🐘 Postgres Next.js (Turbopack) 1.107s (~) 2.010s (~) 0.903s 10 1.02x
🐘 Postgres Nitro 1.110s (+1.4%) 2.010s (~) 0.900s 10 1.02x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 1.366s (-0.8%) 2.693s (-18.6% 🟢) 1.327s 10 1.00x
▲ Vercel Express 1.393s (-5.9% 🟢) 3.206s (-4.0%) 1.813s 10 1.02x
▲ Vercel Next.js (Turbopack) 2.183s (+6.1% 🔺) 3.282s (-9.7% 🟢) 1.099s 10 1.60x

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

workflow with 10 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Express 10.476s (~) 11.023s (~) 0.546s 3 1.00x
💻 Local Nitro 10.479s (~) 11.022s (~) 0.543s 3 1.00x
💻 Local Next.js (Turbopack) 10.484s (~) 11.022s (~) 0.538s 3 1.00x
🐘 Postgres Express 10.545s (+0.6%) 11.020s (~) 0.475s 3 1.01x
🐘 Postgres Nitro 10.560s (+0.5%) 11.020s (~) 0.459s 3 1.01x
🐘 Postgres Next.js (Turbopack) 10.578s (+0.6%) 11.021s (~) 0.442s 3 1.01x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 11.618s (~) 13.150s (-0.5%) 1.532s 3 1.00x
▲ Vercel Nitro 11.703s (+1.1%) 13.236s (+3.6%) 1.533s 3 1.01x
▲ Vercel Next.js (Turbopack) 13.193s (+12.2% 🔺) 14.829s (+7.1% 🔺) 1.636s 3 1.14x

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

workflow with 25 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Next.js (Turbopack) 13.621s (-1.0%) 14.026s (~) 0.405s 5 1.00x
💻 Local Express 13.705s (+0.7%) 14.026s (~) 0.321s 5 1.01x
🐘 Postgres Nitro 13.754s (+1.0%) 14.019s (~) 0.265s 5 1.01x
💻 Local Nitro 13.763s (+0.8%) 14.026s (~) 0.263s 5 1.01x
🐘 Postgres Next.js (Turbopack) 13.774s (+0.7%) 14.020s (~) 0.245s 5 1.01x
🐘 Postgres Express 13.869s (+1.4%) 14.024s (~) 0.155s 5 1.02x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 16.195s (-1.6%) 18.036s (~) 1.841s 4 1.00x
▲ Vercel Express 16.254s (-3.1%) 17.939s (-3.0%) 1.685s 4 1.00x
▲ Vercel Next.js (Turbopack) 18.279s (+5.1% 🔺) 20.050s (+3.9%) 1.771s 3 1.13x

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

workflow with 50 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Express 12.314s (+1.8%) 13.026s (~) 0.712s 7 1.00x
💻 Local Next.js (Turbopack) 12.345s (-0.6%) 13.025s (~) 0.680s 7 1.00x
💻 Local Nitro 12.367s (+0.8%) 13.025s (~) 0.658s 7 1.00x
🐘 Postgres Next.js (Turbopack) 12.369s (~) 13.016s (~) 0.646s 7 1.00x
🐘 Postgres Nitro 12.410s (+0.7%) 13.020s (~) 0.610s 7 1.01x
🐘 Postgres Express 12.547s (+2.5%) 13.021s (~) 0.473s 7 1.02x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 18.616s (+6.0% 🔺) 20.399s (+8.3% 🔺) 1.783s 5 1.00x
▲ Vercel Nitro 18.971s (+2.3%) 20.813s (+3.8%) 1.842s 5 1.02x
▲ Vercel Next.js (Turbopack) 20.746s (+6.6% 🔺) 22.064s (+2.2%) 1.318s 5 1.11x

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

Promise.all with 10 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 1.196s (+0.5%) 2.008s (~) 0.812s 15 1.00x
🐘 Postgres Next.js (Turbopack) 1.199s (~) 2.008s (~) 0.809s 15 1.00x
🐘 Postgres Express 1.264s (+4.7%) 2.075s (+3.3%) 0.810s 15 1.06x
💻 Local Next.js (Turbopack) 1.385s (-3.3%) 2.006s (~) 0.620s 15 1.16x
💻 Local Nitro 1.399s (~) 2.006s (~) 0.607s 15 1.17x
💻 Local Express 1.419s (+2.9%) 2.007s (~) 0.588s 15 1.19x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.105s (-6.3% 🟢) 3.686s (+0.6%) 1.581s 9 1.00x
▲ Vercel Express 2.138s (+1.2%) 3.670s (+3.4%) 1.532s 9 1.02x
▲ Vercel Next.js (Turbopack) 4.226s (+33.8% 🔺) 5.777s (+10.8% 🔺) 1.550s 6 2.01x

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

Promise.all with 25 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Next.js (Turbopack) 1.329s (~) 2.919s (-3.0%) 1.590s 11 1.00x
🐘 Postgres Nitro 1.334s (-1.4%) 2.317s (-6.2% 🟢) 0.983s 13 1.00x
🐘 Postgres Express 1.362s (-0.7%) 2.393s (-4.7%) 1.031s 13 1.02x
💻 Local Next.js (Turbopack) 2.294s (-4.0%) 3.009s (~) 0.714s 10 1.73x
💻 Local Nitro 2.351s (-2.7%) 3.010s (~) 0.659s 10 1.77x
💻 Local Express 2.496s (+0.7%) 3.010s (-3.2%) 0.514s 10 1.88x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 2.528s (+4.1%) 3.782s (-5.1% 🟢) 1.254s 8 1.00x
▲ Vercel Nitro 2.590s (+7.0% 🔺) 4.122s (+9.8% 🔺) 1.533s 8 1.02x
▲ Vercel Next.js (Turbopack) 3.987s (+16.3% 🔺) 5.550s (+5.6% 🔺) 1.563s 6 1.58x

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

Promise.all with 50 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 1.651s (+2.8%) 4.450s (+3.4%) 2.798s 7 1.00x
🐘 Postgres Express 1.690s (~) 4.015s (-9.6% 🟢) 2.326s 8 1.02x
💻 Local Next.js (Turbopack) 3.016s (-20.3% 🟢) 4.727s (-2.9%) 1.711s 7 1.83x
🐘 Postgres Next.js (Turbopack) 3.211s (+0.8%) 6.016s (+2.9%) 2.805s 6 1.94x
💻 Local Nitro 3.925s (+2.2%) 5.013s (+9.3% 🔺) 1.089s 6 2.38x
💻 Local Express 4.146s (+17.3% 🔺) 5.178s (+9.5% 🔺) 1.033s 6 2.51x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 3.062s (+2.8%) 4.834s (+7.8% 🔺) 1.772s 7 1.00x
▲ Vercel Nitro 4.872s (+57.3% 🔺) 6.484s (+36.9% 🔺) 1.612s 5 1.59x
▲ Vercel Next.js (Turbopack) 4.938s (+9.6% 🔺) 6.545s (+3.1%) 1.607s 5 1.61x

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

Promise.race with 10 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.190s (-3.3%) 2.007s (-3.3%) 0.817s 15 1.00x
🐘 Postgres Nitro 1.190s (~) 2.008s (~) 0.818s 15 1.00x
🐘 Postgres Next.js (Turbopack) 1.214s (-3.0%) 2.009s (-3.2%) 0.794s 15 1.02x
💻 Local Express 1.448s (+1.2%) 2.006s (~) 0.559s 15 1.22x
💻 Local Next.js (Turbopack) 1.458s (~) 2.007s (~) 0.548s 15 1.23x
💻 Local Nitro 1.505s (+5.1% 🔺) 2.007s (~) 0.501s 15 1.26x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 1.918s (-9.6% 🟢) 3.508s (-2.2%) 1.589s 9 1.00x
▲ Vercel Nitro 2.026s (-18.3% 🟢) 3.640s (-5.4% 🟢) 1.614s 9 1.06x
▲ Vercel Next.js (Turbopack) 3.361s (-0.6%) 4.405s (-17.0% 🟢) 1.044s 7 1.75x

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

Promise.race with 25 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Next.js (Turbopack) 1.331s (-0.5%) 3.009s (~) 1.677s 10 1.00x
🐘 Postgres Express 1.342s (-1.7%) 2.471s (-4.7%) 1.129s 13 1.01x
🐘 Postgres Nitro 1.402s (+6.4% 🔺) 2.510s (+4.9%) 1.108s 12 1.05x
💻 Local Express 2.493s (+1.5%) 3.009s (~) 0.516s 10 1.87x
💻 Local Next.js (Turbopack) 2.536s (-3.8%) 3.109s (+3.3%) 0.573s 10 1.90x
💻 Local Nitro 2.650s (+6.9% 🔺) 3.010s (~) 0.360s 10 1.99x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.228s (-5.2% 🟢) 3.584s (-5.0% 🟢) 1.356s 9 1.00x
▲ Vercel Express 2.276s (+0.7%) 3.593s (~) 1.317s 9 1.02x
▲ Vercel Next.js (Turbopack) 3.367s (-0.8%) 4.801s (-10.0% 🟢) 1.434s 7 1.51x

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

Promise.race with 50 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.627s (-1.8%) 4.149s (-3.5%) 2.522s 8 1.00x
🐘 Postgres Nitro 1.653s (+2.7%) 4.585s (+10.9% 🔺) 2.932s 7 1.02x
🐘 Postgres Next.js (Turbopack) 3.123s (-5.2% 🟢) 6.221s (~) 3.098s 5 1.92x
💻 Local Next.js (Turbopack) 5.177s (-7.6% 🟢) 5.848s (-2.8%) 0.671s 6 3.18x
💻 Local Express 5.453s (-0.8%) 6.218s (+3.4%) 0.765s 5 3.35x
💻 Local Nitro 5.660s (~) 6.218s (+3.4%) 0.559s 5 3.48x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 2.800s (+4.8%) 4.481s (+4.1%) 1.681s 7 1.00x
▲ Vercel Nitro 3.415s (+19.0% 🔺) 5.258s (+19.3% 🔺) 1.843s 6 1.22x
▲ Vercel Next.js (Turbopack) 4.529s (-9.8% 🟢) 5.852s (-14.4% 🟢) 1.323s 6 1.62x

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

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 0.576s (-4.1%) 1.023s (~) 0.447s 59 1.00x
🐘 Postgres Next.js (Turbopack) 0.580s (+3.0%) 1.007s (~) 0.427s 60 1.01x
🐘 Postgres Nitro 0.619s (+6.0% 🔺) 1.023s (-1.7%) 0.404s 59 1.08x
💻 Local Next.js (Turbopack) 0.621s (-1.6%) 1.005s (~) 0.385s 60 1.08x
💻 Local Express 0.622s (+9.6% 🔺) 1.022s (+1.7%) 0.399s 59 1.08x
💻 Local Nitro 0.629s (+4.9%) 1.005s (~) 0.376s 60 1.09x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.382s (-7.7% 🟢) 3.734s (-8.3% 🟢) 1.352s 17 1.00x
▲ Vercel Express 2.388s (-8.0% 🟢) 3.554s (-6.1% 🟢) 1.167s 17 1.00x
▲ Vercel Next.js (Turbopack) 3.639s (+6.8% 🔺) 5.116s (-1.7%) 1.477s 12 1.53x

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

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.401s (-1.1%) 2.029s (-1.1%) 0.629s 45 1.00x
🐘 Postgres Next.js (Turbopack) 1.419s (-1.5%) 2.008s (-1.0%) 0.589s 45 1.01x
🐘 Postgres Nitro 1.445s (+6.7% 🔺) 2.053s (+2.3%) 0.608s 44 1.03x
💻 Local Express 1.512s (+2.1%) 2.006s (-1.1%) 0.495s 45 1.08x
💻 Local Nitro 1.547s (+1.7%) 2.006s (~) 0.459s 45 1.10x
💻 Local Next.js (Turbopack) 1.550s (-6.4% 🟢) 2.006s (-1.1%) 0.456s 45 1.11x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 5.584s (-9.9% 🟢) 7.127s (-6.2% 🟢) 1.543s 13 1.00x
▲ Vercel Nitro 6.085s (+1.3%) 7.665s (+1.3%) 1.580s 12 1.09x
▲ Vercel Next.js (Turbopack) 8.428s (-6.5% 🟢) 9.867s (-11.1% 🟢) 1.439s 10 1.51x

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

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 2.777s (+4.4%) 3.166s (+4.4%) 0.389s 38 1.00x
🐘 Postgres Nitro 2.808s (+3.8%) 3.086s (~) 0.278s 39 1.01x
🐘 Postgres Next.js (Turbopack) 2.896s (+4.5%) 3.194s (+6.2% 🔺) 0.298s 38 1.04x
💻 Local Express 3.298s (+4.2%) 4.009s (+3.3%) 0.711s 30 1.19x
💻 Local Nitro 3.337s (+2.8%) 4.009s (~) 0.672s 30 1.20x
💻 Local Next.js (Turbopack) 3.435s (-4.3%) 4.042s (-0.8%) 0.608s 30 1.24x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 11.294s (-10.0% 🟢) 13.085s (-7.0% 🟢) 1.791s 10 1.00x
▲ Vercel Nitro 11.887s (-0.9%) 13.724s (+2.8%) 1.837s 9 1.05x
▲ Vercel Next.js (Turbopack) 17.482s (~) 18.931s (-4.6%) 1.449s 7 1.55x

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

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Next.js (Turbopack) 0.199s (-4.9%) 1.007s (-1.6%) 0.807s 60 1.00x
🐘 Postgres Express 0.232s (+8.8% 🔺) 1.006s (~) 0.774s 60 1.17x
🐘 Postgres Nitro 0.236s (+6.5% 🔺) 1.006s (~) 0.770s 60 1.18x
💻 Local Express 0.522s (+7.0% 🔺) 1.005s (~) 0.483s 60 2.62x
💻 Local Nitro 0.528s (+5.9% 🔺) 1.005s (~) 0.477s 60 2.65x
💻 Local Next.js (Turbopack) 0.700s (+7.2% 🔺) 1.058s (+3.5%) 0.358s 57 3.51x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 1.042s (-1.3%) 2.419s (+6.2% 🔺) 1.377s 25 1.00x
▲ Vercel Nitro 1.046s (+6.4% 🔺) 2.402s (+8.4% 🔺) 1.357s 25 1.00x
▲ Vercel Next.js (Turbopack) 2.280s (+14.3% 🔺) 3.338s (-13.5% 🟢) 1.057s 18 2.19x

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

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Next.js (Turbopack) 0.341s (+14.9% 🔺) 1.029s (+2.2%) 0.688s 88 1.00x
🐘 Postgres Express 0.349s (+7.7% 🔺) 1.006s (~) 0.657s 90 1.02x
🐘 Postgres Nitro 0.352s (+5.0% 🔺) 1.018s (+1.1%) 0.666s 89 1.03x
💻 Local Express 2.527s (+2.1%) 3.042s (+1.1%) 0.515s 30 7.42x
💻 Local Nitro 2.580s (+1.3%) 3.009s (~) 0.429s 30 7.57x
💻 Local Next.js (Turbopack) 2.671s (~) 3.041s (+1.1%) 0.370s 30 7.84x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 1.542s (+11.3% 🔺) 2.921s (+6.3% 🔺) 1.379s 31 1.00x
▲ Vercel Express 1.635s (+23.3% 🔺) 3.007s (+21.6% 🔺) 1.371s 30 1.06x
▲ Vercel Next.js (Turbopack) 3.265s (+27.7% 🔺) 4.759s (+12.1% 🔺) 1.494s 19 2.12x

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

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Next.js (Turbopack) 0.543s (+1.9%) 3.010s (~) 2.467s 40 1.00x
🐘 Postgres Nitro 0.602s (+19.2% 🔺) 1.118s (+8.4% 🔺) 0.516s 108 1.11x
🐘 Postgres Express 0.646s (+23.7% 🔺) 1.284s (+19.2% 🔺) 0.638s 94 1.19x
💻 Local Express 4.906s (-15.7% 🟢) 8.424s (-5.2% 🟢) 3.518s 15 9.03x
💻 Local Nitro 5.883s (+9.7% 🔺) 8.092s (-3.2%) 2.209s 15 10.83x
💻 Local Next.js (Turbopack) 6.188s (+2.4%) 8.951s (~) 2.763s 14 11.39x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 2.172s (+18.6% 🔺) 3.900s (+6.6% 🔺) 1.729s 31 1.00x
▲ Vercel Nitro 2.194s (+21.2% 🔺) 4.036s (+18.8% 🔺) 1.842s 30 1.01x
▲ Vercel Next.js (Turbopack) 4.463s (+7.8% 🔺) 5.851s (-1.7%) 1.388s 21 2.06x

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

Stream Benchmarks (includes TTFB metrics)
workflow with stream

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Next.js (Turbopack) 1.145s (~) 1.966s (~) 0.012s (-4.6%) 2.019s (~) 0.874s 10 1.00x
💻 Local Nitro 1.162s (~) 2.005s (~) 0.014s (+18.3% 🔺) 2.022s (~) 0.860s 10 1.01x
💻 Local Express 1.164s (+1.0%) 2.005s (~) 0.012s (+11.5% 🔺) 2.020s (~) 0.855s 10 1.02x
🐘 Postgres Nitro 1.168s (+0.9%) 1.996s (~) 0.001s (~) 2.010s (~) 0.842s 10 1.02x
🐘 Postgres Next.js (Turbopack) 1.170s (~) 2.001s (~) 0.001s (~) 2.012s (~) 0.842s 10 1.02x
🐘 Postgres Express 1.171s (+0.8%) 1.997s (~) 0.001s (+20.0% 🔺) 2.010s (~) 0.839s 10 1.02x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 1.943s (-8.3% 🟢) 3.283s (+3.1%) 1.763s (-4.7%) 5.526s (+0.8%) 3.583s 10 1.00x
▲ Vercel Express 1.999s (-8.0% 🟢) 3.121s (-8.7% 🟢) 2.402s (+28.3% 🔺) 5.982s (+4.7%) 3.983s 10 1.03x
▲ Vercel Next.js (Turbopack) 3.952s (+16.7% 🔺) 4.063s (-7.0% 🟢) 1.788s (+88.9% 🔺) 7.361s (+11.8% 🔺) 3.409s 10 2.03x

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

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Nitro 1.591s (+0.9%) 2.011s (~) 0.013s (-2.1%) 2.027s (~) 0.436s 30 1.00x
💻 Local Next.js (Turbopack) 1.598s (-0.9%) 1.969s (~) 0.012s (-7.9% 🟢) 2.025s (~) 0.427s 30 1.00x
💻 Local Express 1.616s (+2.2%) 2.043s (+1.7%) 0.012s (-2.4%) 2.059s (+1.6%) 0.443s 30 1.02x
🐘 Postgres Nitro 1.623s (+3.5%) 2.002s (~) 0.005s (+3.4%) 2.027s (~) 0.404s 30 1.02x
🐘 Postgres Express 1.631s (+2.4%) 2.007s (~) 0.005s (-2.5%) 2.027s (~) 0.396s 30 1.03x
🐘 Postgres Next.js (Turbopack) 1.637s (-3.1%) 2.011s (-1.6%) 0.005s (~) 2.028s (-1.5%) 0.391s 30 1.03x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 5.503s (+1.1%) 6.926s (+5.7% 🔺) 0.305s (+59.8% 🔺) 7.702s (+7.2% 🔺) 2.199s 8 1.00x
▲ Vercel Express 5.665s (+5.5% 🔺) 6.812s (+2.5%) 0.231s (+2.7%) 7.446s (+1.3%) 1.781s 9 1.03x
▲ Vercel Next.js (Turbopack) 10.542s (+16.0% 🔺) 10.625s (+0.9%) 0.185s (-32.3% 🟢) 11.894s (+1.2%) 1.352s 6 1.92x

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

10 parallel streams (1MB each)

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 0.813s (+3.9%) 1.104s (+5.2% 🔺) 0.000s (+Infinity% 🔺) 1.119s (+3.5%) 0.306s 54 1.00x
🐘 Postgres Nitro 0.849s (+8.8% 🔺) 1.083s (+1.7%) 0.000s (-66.1% 🟢) 1.099s (+1.1%) 0.251s 55 1.04x
🐘 Postgres Next.js (Turbopack) 1.027s (+6.0% 🔺) 1.427s (-0.9%) 0.000s (+388.1% 🔺) 1.446s (-1.3%) 0.419s 42 1.26x
💻 Local Next.js (Turbopack) 1.280s (-4.3%) 1.977s (~) 0.000s (+44.4% 🔺) 2.016s (~) 0.736s 30 1.57x
💻 Local Nitro 1.365s (-0.8%) 1.981s (~) 0.000s (-63.6% 🟢) 1.984s (~) 0.619s 31 1.68x
💻 Local Express 1.377s (~) 1.950s (~) 0.000s (-37.5% 🟢) 1.952s (~) 0.575s 31 1.69x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.965s (-2.5%) 4.377s (+4.9%) 0.000s (+Infinity% 🔺) 4.860s (+5.4% 🔺) 1.895s 13 1.00x
▲ Vercel Express 2.997s (+3.6%) 4.259s (+4.7%) 0.000s (+546.2% 🔺) 4.675s (+5.1% 🔺) 1.678s 13 1.01x
▲ Vercel Next.js (Turbopack) 4.982s (+2.2%) 5.603s (-2.5%) 0.000s (-10.0% 🟢) 6.376s (-7.0% 🟢) 1.395s 10 1.68x

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

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 1.717s (-6.6% 🟢) 2.332s (-2.0%) 0.000s (+Infinity% 🔺) 2.349s (-2.0%) 0.632s 27 1.00x
🐘 Postgres Express 1.856s (+4.6%) 2.356s (-1.7%) 0.000s (-100.0% 🟢) 2.410s (~) 0.553s 25 1.08x
🐘 Postgres Next.js (Turbopack) 2.730s (-0.7%) 3.392s (+1.7%) 0.000s (~) 3.400s (+1.6%) 0.670s 18 1.59x
💻 Local Express 3.191s (-7.3% 🟢) 3.734s (-7.3% 🟢) 0.001s (+230.9% 🔺) 3.738s (-7.2% 🟢) 0.547s 17 1.86x
💻 Local Nitro 3.232s (+1.7%) 3.777s (+2.8%) 0.000s (-24.1% 🟢) 3.781s (+2.8%) 0.549s 16 1.88x
💻 Local Next.js (Turbopack) 3.504s (+0.8%) 4.057s (+1.7%) 0.001s (+42.9% 🔺) 4.098s (+1.7%) 0.593s 15 2.04x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 4.407s (+3.7%) 5.505s (+4.7%) 0.000s (+Infinity% 🔺) 5.898s (+4.5%) 1.491s 11 1.00x
▲ Vercel Nitro 4.946s (+19.1% 🔺) 6.312s (+18.8% 🔺) 0.000s (-100.0% 🟢) 6.753s (+17.9% 🔺) 1.807s 9 1.12x
▲ Vercel Next.js (Turbopack) 8.024s (+12.2% 🔺) 8.430s (+4.6%) 0.000s (+200.0% 🔺) 9.759s (+7.1% 🔺) 1.735s 7 1.82x

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

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World 🥇 Fastest Framework Wins
💻 Local Express 11/21
🐘 Postgres Express 8/21
▲ Vercel Express 11/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework 🥇 Fastest World Wins
Express 🐘 Postgres 14/21
Next.js (Turbopack) 🐘 Postgres 13/21
Nitro 🐘 Postgres 15/21
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
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Redis + BullMQ: Community world (local development)
  • 🌐 Cloudflare: Community world (local development)
  • 🌐 MySQL: Community world (local development)
  • 🌐 Azure: Community world (local development)
  • 🌐 NATS JetStream: Community world (local development)
  • 🌐 Upstash: Community world (local development)
  • 🌐 Platformatic: Community world (local development)

📋 View full workflow run

@NathanColosimo NathanColosimo force-pushed the nathanc/fix-child-workflow-warning branch from 69fac14 to f444d42 Compare July 3, 2026 23:52
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Direct awaiting (flattening) issues TypeScript warning

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