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typeshare's Introduction

Typeshare

Crate Status
typeshare crates.io version crate documentation MSRV crates.io downloads
typeshare-core crates.io version crate documentation MSRV crates.io downloads
typeshare-annotation crates.io version crate documentation MSRV crates.io downloads
typeshare-cli crates.io version MSRV crates.io downloads

One tool to rule the types,

One tool to FFI them,

One tool to parse your Rust,

And in the darkness, compile them πŸ’

Do you like manually managing types that need to be passed through an FFI layer, so that your code doesn't archaically break at runtime? Be honest, nobody does. Typeshare is here to take that burden away from you! Leveraging the power of the serde library, Typeshare is a tool that converts your Rust types into their equivalent forms in Swift, Go**, Kotlin, Scala and Typescript, keeping your cross-language codebase in sync. With automatic implementation for serialization and deserialization on both sides of the FFI, Typeshare does all the heavy lifting for you. It can even handle generics and convert effortlessly between standard libraries in different languages!

**A few caveats. See here for more details.

Installation

To install the CLI (Command Line Interface):

cargo install typeshare-cli

πŸ’‘Note that the console command will be typeshare, not typeshare-cli.

In your Cargo.toml, under [dependencies]:

typeshare = "1.0.0"

Using Typeshare

We've put together a book that documents (almost) everything you can do.

πŸ“šRead the Typeshare book here!

To generate FFI definitions for a target language, run the typeshare command and specify the directory containing your rust code, the language you would like to generate for, and the file to which your generated definitions will be written:

typeshare ./my_rust_project --lang=kotlin --output-file=my_kotlin_definitions.kt
typeshare ./my_rust_project --lang=swift --output-file=my_swift_definitions.swift
typeshare ./my_rust_project --lang=scala --output-file=my_scala_definitions.scala
typeshare ./my_rust_project --lang=typescript --output-file=my_typescript_definitions.ts

Annotating Types

Include the #[typeshare] attribute with any struct or enum you define to generate definitions for that type in the selected output language.

// Rust type definitions

#[typeshare]
struct MyStruct {
    my_name: String,
    my_age: u32,
}

#[typeshare]
#[serde(tag = "type", content = "content")]
enum MyEnum {
    MyVariant(bool),
    MyOtherVariant,
    MyNumber(u32),
}
// Generated Typescript definitions

export interface MyStruct {
    my_name: string;
    my_age: number;
}

export type MyEnum = 
    | { type: "MyVariant", content: boolean }
    | { type: "MyOtherVariant", content: undefined }
    | { type: "MyNumber", content: number };

Getting Help

Are you getting weird deserialization issues? Did our procedural macro throw a confusing error at you? Are you trying to contribute and our existing codebase is confusing? (probably true) Did you have another problem not enumerated in this reductive list? Please open an issue in this repository and the 1Password team would be happy to help! That's what we're here for!

A Quick Refresher on Supported Languages

  • Kotlin
  • Scala
  • Swift
  • Typescript
  • Go**

If there is a language that you want Typeshare to generate definitions for, you can either:

  1. Open an issue in this repository requesting your language of choice.
  2. Implement support for that language and open a PR with your implementation. We would be eternally grateful! πŸ™

** Right now, Go support is experimental. Enable the go feature when installing typeshare-cli if you want to use it.

Credits

Made with ❀️ and β˜• by the 1Password team.

Get a free 1Password account for your open source project

Does your team need a secure way to manage passwords and other credentials for your open source project? Head on over to our other repository to get a 1Password Teams account on us:

✨1Password for Open Source Projects

License

Licensed under either of Apache License, Version 2.0 or MIT license at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this crate by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

typeshare's People

Contributors

snowsignal avatar cerulanlumina avatar adriangb avatar ccouzens avatar nihaals avatar mcajben avatar chrismckenzie avatar cldfire avatar julienfouilhe avatar justintime4tea avatar mitchchn avatar czocher avatar prestontw avatar exoego avatar dependabot[bot] avatar kareid avatar

Watchers

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