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Fix typos in README (#163)
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Add a few commas here and there and a period or two, remove some old comments.
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lishaduck authored Jun 13, 2024
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A JavaScript compiler and TypeScript checker written in Rust with a focus on static analysis and runtime performance.

> [!IMPORTANT]
> Ezno is in active development and **currently does not support enough features to check existing projects**. Check out the [getting started guide](./checker/documentation/getting-started.md) for experimenting with what it [currently supports](./checker/specification/specification.md).
> Ezno is in active development and **does not currently support enough features to check existing projects**. Check out the [getting started guide](./checker/documentation/getting-started.md) for experimenting with what it [currently supports](./checker/specification/specification.md).
<!-- ![project lines of code](https://projects.kaleidawave.workers.dev/project/ezno/badge) -->

What Ezno is
What Ezno is:
- A type checker for JavaScript usable through a CLI ([with a LSP also in the works](https://github.com/kaleidawave/ezno/issues/22))
- Checks programs with guaranteed type safety (no runtime [`TypeError`s](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypeError)) (**as long as definitions are sound**)
- Types aimed at soundness and tracing for better static analysis
- A *imperative* type system that tracks and evaluates the side effects of functions and control flow structures. It is similar to an interpreter, but acts with types instead of *values* and does not run IO side effects etc
- A *imperative* type system that tracks and evaluates the side effects of functions and control flow structures. It is similar to an interpreter, but acts with types instead of *values* and does not run IO, side effects, etc.
- A collection of experiments of types. Many are being worked out and are in the prototype stage. Some of the new behaviors benefit JavaScript specifically and others could be applied to other languages
- Written in Rust
- [Fast](https://github.com/kaleidawave/ezno/actions/workflows/performance-and-size.yml) and [Small](https://github.com/kaleidawave/ezno/actions/workflows/lines-of-code.yml)
- Open source! [You can help build Ezno!](https://github.com/kaleidawave/ezno/issues?q=is%3Aopen+label%3Agood-first-issue%2Cfeedback-needed)
- A challenge to the status quo of type checking, optimisations and compilation through deeper static analysis beyond syntax analysis
- A challenge to the status quo of type checking, optimisations and compilation through deeper static analysis beyond syntax analysis!

What Ezno is not
- **eNZo, the Z is in front of the N** (pronounce as 'Fresno' without the 'fr') 😀
- Be on parity with TSC or 1:1, it has some different behaviors **but** should work in existing projects using TSC <!--(check out [stc](https://github.com/dudykr/stc) that is written in Rust and is aimed at replicating TSC) -->
- Be on parity with TSC or 1:1, it has some different behaviors **but** should work in existing projects using TSC
- Faster as a means to serve large codebases. Cut out bloat and complex code first!
- Smarter as a means to allow more *dynamic patterns*. Keep things simple!
- A binary executable compiler. It takes in JavaScript (or a TypeScript or Ezno superset) and does similar processes to traditional compilers, but at the end emits JavaScript. However in the future it could generate a lower level format using its event (side-effect) representation
- A binary executable compiler. It takes in JavaScript (or a TypeScript or Ezno superset) and does similar processes to traditional compilers, but at the end emits JavaScript. However, in the future, it _could_ generate a lower level format using its event (side-effect) representation.

Read more about Ezno
Read more about Ezno:
- [Introducing Ezno](https://kaleidawave.github.io/posts/introducing-ezno/)
- [Ezno in '23](https://kaleidawave.github.io/posts/ezno-23/)
- [A preview of the checker](https://kaleidawave.github.io/posts/a-preview-of-the-checker/)
- [The Quest Continues](https://kaleidawave.github.io/posts/the-quest-continues/)

---

Expand All @@ -39,10 +40,9 @@ This project is a workspace consisting of a few crates:
<!-- | ezno-web-framework | ![](https://projects.kaleidawave.workers.dev/project/framework/badge) | Visitors and code generation for JSX and reactive expression transformations. | -->
<!-- | ezno-lsp | ![](https://projects.kaleidawave.workers.dev/project/framework/badge) | Visitors and code generation for JSX and reactive expression transformations. | -->

<!-- Also checkout [oxc_type_synthesis](https://github.com/web-infra-dev/oxc/tree/main/crates/oxc_type_synthesis), a crate which allows using the type checker inside [oxc](https://github.com/web-infra-dev/oxc/tree/main)! -->

## Help contribute

Check out [good first issues and comment on discussions]((https://github.com/kaleidawave/ezno/issues?q=is%3Aopen+label%3Agood-first-issue%2Cfeedback-needed))! Feel free to ask questions on parts of the code of the checking implementation.
Check out [good first issues]((https://github.com/kaleidawave/ezno/issues?q=is%3Aopen+label%3Agood-first-issue%2Cfeedback-needed)) and comment on discussions! Feel free to ask questions on parts of the code of the checking implementation.

Read [CONTRIBUTING.md](https://github.com/kaleidawave/ezno/blob/main/CONTRIBUTING.md) for information about building and testing.

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