canirequire › Dual (CommonJS + ESM) › typeorm
Is typeorm ESM-only? Can you require() it?
Data-Mapper ORM for TypeScript and ES2023+. Supports MySQL/MariaDB, PostgreSQL, MS SQL Server, Oracle, SAP HANA, SQLite, MongoDB databases.
Last verified Sep 9, 2026 against typeorm@1.1.1. JSON
Dual (CommonJS + ESM) Dual package — both require() and import work
typeorm publishes both a CommonJS entry and a native ESM entry (ESM added in 0.2.42). require("typeorm") and import "typeorm" both work on every supported Node.js version and in Bun.
Does typeorm@1.1.1 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("typeorm") from a CommonJS file and import "typeorm" from an ES module.
| Runtime | require("typeorm") | import "typeorm" |
|---|---|---|
| Node.js 18 | ✓ works | ✓ works |
| Node.js 20 | ✓ works | ✓ works |
| Node.js 22 | ✓ works | ✓ works |
| Node.js 24 | ✓ works | ✓ works |
| Node.js 26 | ✓ works | ✓ works |
| Bun 1.4 | ✓ works | ✓ works |
How to import typeorm
ES modules (import)
import typeorm from "typeorm";CommonJS (require)
const typeorm = require("typeorm");Module format by version
Derived from the type, main and exports fields of every stable release on npm (114 versions; the newest 60 shown).
| Versions | Format | First published |
|---|---|---|
| 0.2.42 – 1.1.1 | Dual (CommonJS + ESM) | Feb 16, 2022 |
| 0.2.21 – 0.2.41 | CommonJS | Dec 5, 2019 |
Frequently asked
Is typeorm ESM-only?
typeorm@1.1.1 ships CommonJS and ESM builds. typeorm publishes both a CommonJS entry and a native ESM entry (ESM added in 0.2.42). require("typeorm") and import "typeorm" both work on every supported Node.js version and in Bun.
Can I require typeorm?
Yes. typeorm ships a CommonJS entry, so require("typeorm") works on every Node.js version, alongside the native ESM entry for import.
Does typeorm work in Bun?
Yes. import "typeorm" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does typeorm ship TypeScript types?
Yes. typeorm bundles its own type declarations; no @types package is needed.
Links
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