# @hey-api/codegen-core

> 🧱 TypeScript framework for generating files.

Latest version **0.9.1** (published 2026-06-22) · MIT license · 0 weekly downloads

## Install

```sh
npm install @hey-api/codegen-core
pnpm add @hey-api/codegen-core
yarn add @hey-api/codegen-core
bun add @hey-api/codegen-core
```

## Health

**Score 65/100 (B)** — status: active.

Positive: has types; esm support; no vulnerabilities; has provenance; high maintenance score.

Warnings: low downloads; pre 1.0.

## Facts

| | |
|---|---|
| Version | 0.9.1 |
| Published | 2026-06-22 |
| First published | 2025-08-31 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Node | >=22.18.0 |
| Dependencies | 4 |
| Unpacked size | 222.3 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 5443 |
| Author | Hey API |
| Maintainers | mrlubos |
| Keywords | codegen, generator, javascript, node, typescript |

## Links

- npm: https://www.npmjs.com/package/@hey-api/codegen-core
- Repository: https://github.com/hey-api/hey-api
- Homepage: https://heyapi.dev/
- Issues: https://github.com/hey-api/hey-api/issues
- Funding: https://github.com/sponsors/hey-api
- npm.io page: https://npm.io/package/@hey-api/codegen-core

## Dependencies (4)

- [c12](https://npm.io/package/c12.md) 3.3.4
- [ansi-colors](https://npm.io/package/ansi-colors.md) 4.1.3
- [color-support](https://npm.io/package/color-support.md) 1.1.3
- [@hey-api/types](https://npm.io/package/@hey-api/types.md) 0.1.4

## Alternatives

- [@openai/codex-sdk](https://npm.io/package/@openai/codex-sdk.md) — 731.4K weekly downloads
- [babel-plugin-transform-react-jsx](https://npm.io/package/babel-plugin-transform-react-jsx.md) — 565.0K weekly downloads
- [babel-helper-remove-or-void](https://npm.io/package/babel-helper-remove-or-void.md) — 508.5K weekly downloads
- [@pnpm/store-controller-types](https://npm.io/package/@pnpm/store-controller-types.md) — 186.9K weekly downloads
- [react-native-signature-canvas](https://npm.io/package/react-native-signature-canvas.md) — 155.6K weekly downloads

## Recent versions

- 0.9.1 (latest) — 2026-06-22
- 0.0.0-next-20260824173136 (next) — 2026-08-24
- 0.0.0-next-20260819153534 — 2026-08-19
- 0.0.0-next-20260813201118 — 2026-08-13
- 0.0.0-next-20260811214609 — 2026-08-11
- 0.0.0-next-20260804175203 — 2026-08-04
- 0.0.0-next-20260803133142 — 2026-08-03
- 0.0.0-next-20260803131638 — 2026-08-03
- 0.0.0-next-20260803105733 — 2026-08-03
- 0.0.0-next-20260803085119 — 2026-08-03
- 0.0.0-next-20260729142554 — 2026-07-29
- 0.0.0-next-20260728215008 — 2026-07-28
- 0.0.0-next-20260724070045 — 2026-07-24
- 0.0.0-next-20260723124023 — 2026-07-23
- 0.0.0-next-20260722143429 — 2026-07-22
- … 312 more at https://npm.io/package/@hey-api/codegen-core/versions

## README

<div align="center">
  <h1 align="center"><b>Codegen Core</b></h1>
  <p align="center">🧱 TypeScript framework for generating files.</p>
</div>

<br/>

<p align="center">
  <a href="https://opensource.org/license/mit" rel="nofollow"><img src="https://img.shields.io/github/license/hey-api/hey-api" alt="MIT License"></a>
  <a href="https://github.com/hey-api/hey-api/actions?query=branch%3Amain"><img src="https://github.com/hey-api/hey-api/actions/workflows/ci.yml/badge.svg?event=push&branch=main" alt="CI status" /></a>
</p>

## Notice

This is an internal framework. Visit [Hey API](https://heyapi.dev/) to discover our products.

<!-- template-contributing-start -->

## Contributing

Want to see your code in products used by millions?

Start with our [Contributing](https://heyapi.dev/docs/openapi/typescript/community/contributing) guide and release your first feature.

<!-- template-contributing-end -->

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## Sponsors

Partners behind the future of API tooling. [Become a sponsor](https://github.com/sponsors/hey-api).

<h3 align="center">Gold</h3>

<table align="center">
  <tbody>
    <tr>
      <td align="center" width="50%">
        <p></p>
        <p>
          <a href="https://kutt.to/pkEZyc" target="_blank">
            <picture height="50px">
              <source media="(prefers-color-scheme: dark)" srcset="https://heyapi.dev/assets/.gen/stainless-logo-wordmark-480w.jpeg">
              <img alt="Stainless logo" height="50px" src="https://heyapi.dev/assets/.gen/stainless-logo-wordmark-480w.jpeg">
            </picture>
          </a>
          <br/>
          Best-in-class developer interfaces for your API.
          <br/>
          <a href="https://kutt.to/pkEZyc" style="text-decoration:none;" target="_blank">
            stainless.com
          </a>
        </p>
        <p></p>
      </td>
      <td align="center" width="50%">
        <p></p>
        <p>
          <a href="https://kutt.to/QM9Q2N" target="_blank">
            <picture height="50px">
              <source media="(prefers-color-scheme: dark)" srcset="https://heyapi.dev/assets/opencode/logo-light.svg">
              <img alt="Opencode logo" height="50px" src="https://heyapi.dev/assets/opencode/logo-dark.svg">
            </picture>
          </a>
          <br/>
          The open source coding agent.
          <br/>
          <a href="https://kutt.to/QM9Q2N" style="text-decoration:none;" target="_blank">
            opencode.ai
          </a>
        </p>
        <p></p>
      </td>
    </tr>
  </tbody>
</table>

<h3 align="center">Silver</h3>

<table align="center">
  <tbody>
    <tr>
      <td align="center" width="33.333%">
        <a href="https://kutt.to/skQUVd" target="_blank">
          <picture height="40px">
            <source media="(prefers-color-scheme: dark)" srcset="https://heyapi.dev/assets/scalar/logo-light.svg">
            <img alt="Scalar logo" height="40px" src="https://heyapi.dev/assets/scalar/logo-dark.svg">
          </picture>
        </a>
        <br/>
        <a href="https://kutt.to/skQUVd" style="text-decoration:none;" target="_blank">
          scalar.com
        </a>
      </td>
      <td align="center" width="33.333%">
        <a href="https://kutt.to/Dr9GuW" target="_blank">
          <picture height="40px">
            <source media="(prefers-color-scheme: dark)" srcset="https://heyapi.dev/assets/fastapi/logo-light.svg">
            <img alt="FastAPI logo" height="40px" src="https://heyapi.dev/assets/fastapi/logo-dark.svg">
          </picture>
        </a>
        <br/>
        <a href="https://kutt.to/Dr9GuW" style="text-decoration:none;" target="_blank">
          fastapi.tiangolo.com
        </a>
      </td>
      <td align="center" width="33.333%">
        <a href="https://kutt.to/yZVkdV" target="_blank">
          <picture height="40px">
            <source media="(prefers-color-scheme: dark)" srcset="https://heyapi.dev/assets/brands/unblocked/logo-light.svg">
            <img alt="Unblocked logo" height="40px" src="https://heyapi.dev/assets/brands/unblocked/logo-dark.svg">
          </picture>
        </a>
        <br/>
        <a href="https://kutt.to/yZVkdV" style="text-decoration:none;" target="_blank">
          getunblocked.com
        </a>
      </td>
    </tr>
  </tbody>
</table>

<h3 align="center">Bronze</h3>

<table align="center">
  <tbody>
    <tr>
      <td align="center" width="33.333%">
        <a href="https://kutt.to/YpaKsX" target="_blank">
          <picture height="34px">
            <source media="(prefers-color-scheme: dark)" srcset="https://heyapi.dev/assets/.gen/kinde-logo-wordmark-dark-480w.webp">
            <img alt="Kinde logo" height="34px" src="https://heyapi.dev/assets/.gen/kinde-logo-wordmark-480w.jpeg">
          </picture>
        </a>
      </td>
      <td align="center" width="33.333%">
        <a href="https://kutt.to/KkqSaw" target="_blank">
          <picture height="34px">
            <source media="(prefers-color-scheme: dark)" srcset="https://heyapi.dev/assets/cella/logo-light.svg">
            <img alt="Cella logo" height="34px" src="https://heyapi.dev/assets/cella/logo-dark.svg">
          </picture>
        </a>
      </td>
      <td align="center" width="33.333%">
        <a href="https://kutt.to/HW4GYR" target="_blank">
          <picture height="34px">
            <source media="(prefers-color-scheme: dark)" srcset="https://heyapi.dev/assets/photon/logo-light.svg">
            <img alt="Photon logo" height="34px" src="https://heyapi.dev/assets/photon/logo-dark.svg">
          </picture>
        </a>
      </td>
    </tr>
  </tbody>
</table>
<!-- template-sponsors-end -->

<!-- template-license-start -->

## License

Released under the [MIT License](https://github.com/hey-api/hey-api/blob/main/LICENSE.md).

<!-- template-license-end -->

---
_Source: https://npm.io/package/@hey-api/codegen-core · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._