## Problem Fixes #22708. `twenty-sdk` 2.19.0 CLI commands run through the ESM entrypoint (`node dist/cli.mjs dev --once`, `app:uninstall`, ...) crash on startup: ``` Error: Calling `require` for "fs" in an environment that doesn't expose the `require` function. ``` ## Root cause The 2.19.0 release switched bundling from esbuild to **rolldown** (Vite 7 → 8). Rolldown **inlines CommonJS dependencies** into the ESM output (`dist/cli.mjs` grows from ~6k to ~136k lines). Those third-party CJS modules — e.g. `typescript`, pulled in via `ts-morph` — call `require(...)` and read `__filename` / `__dirname` at load time. None of those exist in an ES module: - `require(...)` is routed through rolldown's interop shim, which **throws** when `require` is absent (i.e. in a `.mjs` file). - `__filename` / `__dirname` are simply `ReferenceError: … is not defined in ES module scope`. esbuild (2.18.0) injected these CJS globals for node-targeted ESM output; rolldown does not. Because the offending usage lives in **bundled third-party CJS**, prefixing our own imports could not fix it. ## Fix Add a banner to the **ESM output only** in `vite.config.node.ts` that recreates the CJS globals from `import.meta.url`: ```js import { createRequire as __twentyCreateRequire } from 'node:module'; import { fileURLToPath as __twentyFileURLToPath } from 'node:url'; import { dirname as __twentyDirname } from 'node:path'; const require = __twentyCreateRequire(import.meta.url); const __filename = __twentyFileURLToPath(import.meta.url); const __dirname = __twentyDirname(__filename); ``` This is the same `createRequire` pattern the repo already uses for the `twenty-oxlint-rules` ESM build. The CJS output already provides all three, so the banner is not applied there. This PR also prefixes the SDK CLI's own Node-builtin imports with `node:` (using native ESM imports instead of the interop shim for our own code) — good hygiene and guarded by a unit test, but note the **banner is the actual bug fix**. ## Verification (built and run locally) - Built the node bundle and reproduced the crash on the pre-fix build (`Calling require for "fs"`), then a follow-on `__filename is not defined` once `require` was restored. - With the banner, ran the previously-crashing commands against the built `dist/cli.mjs`: - `--help` → prints usage, exit 0 - `dev --once` → reaches "Checking server… Cannot reach Twenty server" (normal, no local server) - `app:uninstall` → reaches the interactive confirmation prompt - CJS bin (`dist/cli.cjs`) still works. ## Tests - `cli-esm-bundle-startup.integration.spec.ts` — runs the **built** `dist/cli.mjs --help` and asserts no require/ESM-scope crash. Demonstrated **red without the banner, green with it**. It runs in the `sdk-test` job (which builds the SDK before tests); it fails loudly in CI if the artifact is missing and skips locally when unbuilt, so it is never silently green in CI. - `node-builtin-import-protocol.test.ts` — guards the `node:`-prefix hygiene across the CLI source. Note: the existing `sdk-e2e-test` never caught this because it runs the CLI via `tsx` on the TypeScript **source**, which has no rolldown shim — only the bundled `.mjs` reproduces the crash.
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Why Twenty
Twenty gives technical teams the building blocks for a custom CRM that meets complex business needs and quickly adapts as the business evolves. Twenty is the CRM you build, ship, and version like the rest of your stack.
Learn more about why we built Twenty
Installation
Cloud
The fastest way to get started. Sign up at twenty.com and spin up a workspace in under a minute, with no infrastructure to manage and always up to date.
Build an app
Scaffold a new app with the Twenty CLI:
npx create-twenty-app my-app
Define objects, fields, and views as code:
import { defineObject, FieldType } from 'twenty-sdk/define';
export default defineObject({
nameSingular: 'deal',
namePlural: 'deals',
labelSingular: 'Deal',
labelPlural: 'Deals',
fields: [
{ name: 'name', label: 'Name', type: FieldType.TEXT },
{ name: 'amount', label: 'Amount', type: FieldType.CURRENCY },
{ name: 'closeDate', label: 'Close Date', type: FieldType.DATE_TIME },
],
});
Then ship it to your workspace:
npx twenty app:publish --private
See the app development guide for objects, views, agents, and logic functions.
Self-hosting
Run Twenty on your own infrastructure with Docker Compose, or contribute locally via the local setup guide.
Everything you need
Twenty gives you the building blocks of a modern CRM (objects, views, workflows, and agents) and lets you extend them as code. Here's a tour of what's in the box.
Want to go deeper? Read the User Guide for product walkthroughs, or the
Documentation for developer reference.
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Stack
TypeScript
Nx
NestJS, with BullMQ,
PostgreSQL,
Redis
React, with Jotai, Linaria and Lingui
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