Charles BochetandGitHub
eb1ca1b9ec
## Summary
Logic-function bundles produced by the twenty-sdk CLI were ~1.18 MB even
for a one-line handler. Root cause: the SDK shipped as a single bundled
barrel (`twenty-sdk` → `dist/index.mjs`) that co-mingled server-side
definition factories with the front-component runtime, validation (zod),
and React. With no `\"sideEffects\"` declaration on the SDK package,
esbuild had to assume every module-level statement could have side
effects and refused to drop unused code.
This PR restructures the SDK so consumers' bundlers can tree-shake at
the leaf level:
- **Reorganized SDK source.** All server-side definition factories now
live under `src/sdk/define/` (agents, application, fields,
logic-functions, objects, page-layouts, roles, skills, views,
navigation-menu-items, etc.). All front-component runtime
(components, hooks, host APIs, command primitives) lives under
`src/sdk/front-component/`. The legacy bare `src/sdk/index.ts` is
removed; the bare `twenty-sdk` entry no longer exists.
- **Split the build configs by purpose / runtime env.** Replaced
`vite.config.sdk.ts` with two purpose-specific configs:
- `vite.config.define.ts` — node target, externals from package
`dependencies`, emits to `dist/define/**`
- `vite.config.front-component.ts` — browser/React target, emits to
`dist/front-component/**`
Both use `preserveModules: true` so each leaf ships as its own `.mjs`.
- **\`\"sideEffects\": false\`** on `twenty-sdk` so esbuild can drop
unreferenced re-exports.
- **\`package.json\` exports + \`typesVersions\`** updated: dropped the
bare \`.\` entry, added \`./front-component\`, and pointed \`./define\`
at the new per-module dist layout.
- **Migrated every internal/example/community app** to the new subpath
imports (`twenty-sdk/define`, `twenty-sdk/front-component`,
`twenty-sdk/ui`).
- **Added \`bundle-investigation\` internal app** that reproduces the
bundle bloat and demonstrates the fix.
- Cleaned up dead \`twenty-sdk/dist/sdk/...\` references in the
front-component story builder, the call-recording app, and the SDK
tsconfig.
## Bundle size impact
Measured with esbuild using the same options as the SDK CLI
(\`packages/twenty-apps/internal/bundle-investigation\`):
| Variant | Imports | Before | After |
| ----------------------- |
------------------------------------------------------- | ---------- |
--------- |
| \`01-bare\` | \`defineLogicFunction\` from \`twenty-sdk/define\` |
1177 KB | **1.6 KB** |
| \`02-with-sdk-client\` | + \`CoreApiClient\` from
\`twenty-client-sdk/core\` | 1177 KB | **1.9 KB** |
| \`03-fetch-issues\` | + GitHub GraphQL fetch + JWT signing + 2
mutations | 1181 KB | **5.8 KB** |
| \`05-via-define-subpath\` | same as \`01\`, via the public subpath |
1177 KB | **1.7 KB** |
That's a ~735× reduction on the bare baseline. Knock-on benefits for
Lambda warm + cold starts, S3 upload size, and \`/tmp\` disk usage in
warm containers.
## Test plan
- [x] \`npx nx run twenty-sdk:build\` succeeds
- [x] \`npx nx run twenty-sdk:typecheck\` passes
- [x] \`npx nx run twenty-sdk:test:unit\` passes (31 files / 257 tests)
- [x] \`npx nx run-many -t typecheck
--projects=twenty-front,twenty-server,twenty-front-component-renderer,twenty-sdk,twenty-shared,bundle-investigation\`
passes
- [x] \`node
packages/twenty-apps/internal/bundle-investigation/scripts/build-variants.mjs\`
produces the sizes above
- [ ] CI green
Made with [Cursor](https://cursor.com)
This is a Twenty application project bootstrapped with create-twenty-app.
Getting Started
First, authenticate to your workspace:
yarn twenty remote add --api-url http://localhost:2020 --as local
Then, start development mode to sync your app and watch for changes:
yarn twenty dev
Open your Twenty instance and go to /settings/applications section to see the result.
Available Commands
Run yarn twenty help to list all available commands. Common commands:
# Remotes & Authentication
yarn twenty remote add --api-url http://localhost:2020 --as local # Authenticate with Twenty
yarn twenty remote status # Check auth status
yarn twenty remote switch # Switch default remote
yarn twenty remote list # List all configured remotes
yarn twenty remote remove <name> # Remove a remote
# Application
yarn twenty dev # Start dev mode (watch, build, sync, and auto-generate typed client)
yarn twenty add # Add a new entity (object, field, function, front-component, role, view, navigation-menu-item)
yarn twenty logs # Stream function logs
yarn twenty exec # Execute a function with JSON payload
yarn twenty uninstall # Uninstall app from workspace
Integration Tests
If your project includes the example integration test (src/__tests__/app-install.integration-test.ts), you can run it with:
# Make sure a Twenty server is running at http://localhost:3000
yarn test
The test builds and installs the app, then verifies it appears in the applications list. Test configuration (API URL and API key) is defined in vitest.config.ts.
LLMs instructions
Main docs and pitfalls are available in LLMS.md file.
Learn More
To learn more about Twenty applications, take a look at the following resources:
- twenty-sdk - learn about
twenty-sdktool. - Twenty doc - Twenty's documentation.
- Join our Discord
You can check out the Twenty GitHub repository - your feedback and contributions are welcome!