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# Effect

Effect is a library for building robust, maintainable, type-safe, and production grade applications in TypeScript.

> **Effect V4 is currently in beta.** The `main` branch contains v4 development.

## Install V4 Beta

```sh
npm install effect@beta
```

## Effect v3

The Effect v3 source code is available on the [`v3`](https://github.com/Effect-TS/effect/tree/v3) branch.

```sh
npm install effect@latest
```

Issues and pull requests meant for Effect v3 should target the [`v3`](https://github.com/Effect-TS/effect/tree/v3) branch.

## Resources

- Documentation (https://effect.website)
- Discord (https://discord.gg/effect-ts)
- Effect v3 source (https://github.com/Effect-TS/effect/tree/v3)
- Effect v4 source (https://github.com/Effect-TS/effect/tree/main)

## License

MIT
