Better docs

This commit is contained in:
EthanShoeDev
2025-10-07 00:21:46 -04:00
parent 7f07b2f0ab
commit 2b33da8e20
9 changed files with 251 additions and 373 deletions

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nix develop .#default
## Contributing
### Monorepo layout
- `apps/mobile`: Expo app (serves as the example for both packages)
- `apps/web`: Static site (Astro)
- `packages/react-native-uniffi-russh`: React Native native module exposing
russh via UniFFI
- `packages/react-native-xtermjs-webview`: React Native WebView-based xterm.js
renderer
### Prerequisites
- Node and pnpm installed
- Optional: Nix for dev shells (recommended)
- For native module work: Rust toolchain (rustup, cargo), Android/iOS build
tools
With Nix:
```
nix develop .#default
```
Dev shell with android emulator included:
```
nix develop .#android-emulator
```
### Setup
1. Clone the repo
2. Install dependencies at the root:
```
pnpm install
```
3. Run the lint command:
```
pnpm exec turbo lint
```
### Develop
- Mobile app:
```
cd apps/mobile
pnpm run android
```
### Releasing
Each publishable package uses release-it. From the package directory:
```
pnpm run release
```
See the package CHANGELOGs for release notes:
- `packages/react-native-uniffi-russh/CHANGELOG.md`
- `packages/react-native-xtermjs-webview/CHANGELOG.md`
### CI
Pull requests run the workflow in `.github/workflows/check.yml`. Please ensure
lint/typecheck/tests pass.

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Fressh is a mobile SSH client that remains clean and simple while supporting
powerful features:
## Fressh
- Securely storing previous connections
- Configurable preset command buttons
- Configurable theme
[Fressh](https://fressh.dev/) is a mobile SSH client that remains clean and
simple while supporting powerful features.
Coming soon
[![ci](https://github.com/EthanShoeDev/fressh/actions/workflows/check.yml/badge.svg)](https://github.com/EthanShoeDev/fressh/actions/workflows/check.yml)
[![npm: @fressh/react-native-uniffi-russh](https://img.shields.io/npm/v/%40fressh%2Freact-native-uniffi-russh)](https://www.npmjs.com/package/@fressh/react-native-uniffi-russh)
[![npm: @fressh/react-native-xtermjs-webview](https://img.shields.io/npm/v/%40fressh%2Freact-native-xtermjs-webview)](https://www.npmjs.com/package/@fressh/react-native-xtermjs-webview)
- Fully accurate xterm emulation
- On-device LLM for command completion and output summarization
### Features
- **Secure connection history**: Securely store previous connections
- **Command presets**: Configurable preset command buttons
- **Theming**: Configurable theme
### Coming soon
- ~~**xterm fidelity**: Fully accurate xterm emulation~~ Done!
- **On-device AI**: On-device LLM for command completion and output
summarization
### Architecture
The app is a monorepo with three main parts:
- **`apps/mobile`**: The actual React Native Expo app.
- **`packages/react-native-uniffi-russh`**: A
[uniffi react native](https://github.com/jhugman/uniffi-bindgen-react-native)
binding package that exposes a native Rust module for
[russh](https://github.com/Eugeny/russh).
- **`packages/react-native-xtermjs-webview`**: A small library that instantiates
an Expo WebView preloaded with [xterm.js](https://xtermjs.org/).
Both packages are published on npm if you want to use them in your own project:
- [`@fressh/react-native-uniffi-russh`](https://www.npmjs.com/package/@fressh/react-native-uniffi-russh)
- [`@fressh/react-native-xtermjs-webview`](https://www.npmjs.com/package/@fressh/react-native-xtermjs-webview)
### Why
Mostly to practice with React Native, Expo, and Rust. There are a few more
developed SSH clients on the Google Play and iOS App Stores.
Some of those try to lock features like one-off commands behind a paywall, so
this aims to be a free alternative.
Another notable feature of the app is the WebView xterm.js renderer. Using this
as the render layer has a few benefits:
- **Parity with VS Code**: We match the render behavior of VS Code
- **Consistent visuals**: The render layer visually matches on both iOS and
Android
With that said, it is probably less performant than a native renderer, so it may
be replaced in the future. Implementing a
[Nitro view](https://nitro.margelo.com/docs/view-components) seems very
promising.
### Changelogs
- `apps/mobile`: [`apps/mobile/CHANGELOG.md`](./apps/mobile/CHANGELOG.md)
- `@fressh/react-native-uniffi-russh`:
[`packages/react-native-uniffi-russh/CHANGELOG.md`](./packages/react-native-uniffi-russh/CHANGELOG.md)
- `@fressh/react-native-xtermjs-webview`:
[`packages/react-native-xtermjs-webview/CHANGELOG.md`](./packages/react-native-xtermjs-webview/CHANGELOG.md)
### Contributing
We provide a Nix flake devshell to help get a working environment quickly. See
[`CONTRIBUTING.md`](./CONTRIBUTING.md) for details.
### License
MIT

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# Welcome to your Expo app 👋
## Fressh Mobile (Expo)
This is an [Expo](https://expo.dev) project created with
[`create-expo-app`](https://www.npmjs.com/package/create-expo-app).
This is the Fressh mobile app built with Expo. It provides a clean SSH client
experience. packages:
## Get started
- `@fressh/react-native-uniffi-russh`
- `@fressh/react-native-xtermjs-webview`
1. Install dependencies
```bash
pnpm install
```
2. Start the app
```bash
pnpm exec expo start
```
In the output, you'll find options to open the app in a
- [development build](https://docs.expo.dev/develop/development-builds/introduction/)
- [Android emulator](https://docs.expo.dev/workflow/android-studio-emulator/)
- [iOS simulator](https://docs.expo.dev/workflow/ios-simulator/)
- [Expo Go](https://expo.dev/go), a limited sandbox for trying out app
development with Expo
You can start developing by editing the files inside the **app** directory. This
project uses [file-based routing](https://docs.expo.dev/router/introduction).
## Get a fresh project
When you're ready, run:
### Setup
```bash
pnpm run reset-project
pnpm install
pnpm exec expo start
```
This command will move the starter code to the **app-example** directory and
create a blank **app** directory where you can start developing.
Open using Expo Go, an emulator, or a simulator.
## Learn more
For a high-level feature overview, see the root [`README.md`](../../README.md).
To learn more about developing your project with Expo, look at the following
resources:
### Development notes
- [Expo documentation](https://docs.expo.dev/): Learn fundamentals, or go into
advanced topics with our [guides](https://docs.expo.dev/guides).
- [Learn Expo tutorial](https://docs.expo.dev/tutorial/introduction/): Follow a
step-by-step tutorial where you'll create a project that runs on Android, iOS,
and the web.
- Edit files under `app/` (file-based routing)
- Ensure Android/iOS tooling is installed for native builds
## Join the community
### Links
Join our community of developers creating universal apps.
- [Expo on GitHub](https://github.com/expo/expo): View our open source platform
and contribute.
- [Discord community](https://chat.expo.dev): Chat with Expo users and ask
questions.
- Main README: [`../../README.md`](../../README.md)
- Changelog: [`./CHANGELOG.md`](./CHANGELOG.md)

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# Astro Starter Kit: Basics
## Fressh Web
```sh
pnpm create astro@latest -- --template basics
This is an Astro site used for the project website/docs. For project details,
see the root README.
### Commands
```bash
pnpm install
pnpm dev
pnpm build
pnpm preview
```
> 🧑‍🚀 **Seasoned astronaut?** Delete this file. Have fun!
### Links
## 🚀 Project Structure
Inside of your Astro project, you'll see the following folders and files:
```text
/
├── public/
│ └── favicon.svg
├── src
│   ├── assets
│   │   └── astro.svg
│   ├── components
│   │   └── Welcome.astro
│   ├── layouts
│   │   └── Layout.astro
│   └── pages
│   └── index.astro
└── package.json
```
To learn more about the folder structure of an Astro project, refer to
[our guide on project structure](https://docs.astro.build/en/basics/project-structure/).
## 🧞 Commands
All commands are run from the root of the project, from a terminal:
| Command | Action |
| :--------------------- | :----------------------------------------------- |
| `pnpm install` | Installs dependencies |
| `pnpm dev` | Starts local dev server at `localhost:4321` |
| `pnpm build` | Build your production site to `./dist/` |
| `pnpm preview` | Preview your build locally, before deploying |
| `pnpm astro ...` | Run CLI commands like `astro add`, `astro check` |
| `pnpm astro -- --help` | Get help using the Astro CLI |
## 👀 Want to learn more?
Feel free to check [our documentation](https://docs.astro.build) or jump into
our [Discord server](https://astro.build/chat).
- Main README: [`../../README.md`](../../README.md)

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import type { Config } from 'release-it';
import { type Config } from 'release-it';
export default {
npm: {
publish: true,
publishArgs: ['--access', 'public'],
},
git: {
requireCleanWorkingDir: true,
tagName: '${npm.name}-v${version}',
@@ -10,20 +14,9 @@ export default {
push: true,
},
// This one *does* publish to npm
npm: {
publish: true,
// pass flags youd give to `npm publish`
publishArgs: ['--access', 'public'],
// (optional) skip npms own prepublish checks:
// skipChecks: true
},
github: {
release: true,
releaseName: '${npm.name} v${version}',
// optional: attach build artifacts
// assets: ['dist/**']
},
plugins: {
@@ -36,7 +29,7 @@ export default {
hooks: {
'before:init': ['turbo run lint:check'],
'before:npm:release': 'turbo run build:android build:ios',
'after:bump': 'turbo run build',
'after:release': 'echo "Published ${npm.name} v${version} to npm"',
},
} satisfies Config;

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# Contributing
Contributions are always welcome, no matter how large or small!
We want this community to be friendly and respectful to each other. Please
follow it in all your interactions with the project. Before contributing, please
read the [code of conduct](./CODE_OF_CONDUCT.md).
## Development workflow
This project is a monorepo managed using
[Yarn workspaces](https://yarnpkg.com/features/workspaces). It contains the
following packages:
- The library package in the root directory.
- An example app in the `example/` directory.
To get started with the project, make sure you have the correct version of
[Node.js](https://nodejs.org/) installed. See the [`.nvmrc`](./.nvmrc) file for
the version used in this project.
Run `yarn` in the root directory to install the required dependencies for each
package:
```sh
yarn
```
> Since the project relies on Yarn workspaces, you cannot use
> [`npm`](https://github.com/npm/cli) for development without manually
> migrating.
The [example app](/example/) demonstrates usage of the library. You need to run
it to test any changes you make.
It is configured to use the local version of the library, so any changes you
make to the library's source code will be reflected in the example app. Changes
to the library's JavaScript code will be reflected in the example app without a
rebuild, but native code changes will require a rebuild of the example app.
If you want to use Android Studio or XCode to edit the native code, you can open
the `example/android` or `example/ios` directories respectively in those
editors. To edit the Objective-C or Swift files, open
`example/ios/UniffiRusshExample.xcworkspace` in XCode and find the source files
at `Pods > Development Pods > react-native-uniffi-russh`.
To edit the Java or Kotlin files, open `example/android` in Android studio and
find the source files at `react-native-uniffi-russh` under `Android`.
You can use various commands from the root directory to work with the project.
To start the packager:
```sh
yarn example start
```
To run the example app on Android:
```sh
yarn example android
```
To run the example app on iOS:
```sh
yarn example ios
```
To confirm that the app is running with the new architecture, you can check the
Metro logs for a message like this:
```sh
Running "UniffiRusshExample" with {"fabric":true,"initialProps":{"concurrentRoot":true},"rootTag":1}
```
Note the `"fabric":true` and `"concurrentRoot":true` properties.
Make sure your code passes TypeScript and ESLint. Run the following to verify:
```sh
yarn typecheck
yarn lint
```
To fix formatting errors, run the following:
```sh
yarn lint --fix
```
Remember to add tests for your change if possible. Run the unit tests by:
```sh
yarn test
```
### Commit message convention
We follow the
[conventional commits specification](https://www.conventionalcommits.org/en) for
our commit messages:
- `fix`: bug fixes, e.g. fix crash due to deprecated method.
- `feat`: new features, e.g. add new method to the module.
- `refactor`: code refactor, e.g. migrate from class components to hooks.
- `docs`: changes into documentation, e.g. add usage example for the module.
- `test`: adding or updating tests, e.g. add integration tests using detox.
- `chore`: tooling changes, e.g. change CI config.
Our pre-commit hooks verify that your commit message matches this format when
committing.
### Linting and tests
[ESLint](https://eslint.org/), [Prettier](https://prettier.io/),
[TypeScript](https://www.typescriptlang.org/)
We use [TypeScript](https://www.typescriptlang.org/) for type checking,
[ESLint](https://eslint.org/) with [Prettier](https://prettier.io/) for linting
and formatting the code, and [Jest](https://jestjs.io/) for testing.
Our pre-commit hooks verify that the linter and tests pass when committing.
### Publishing to npm
We use [release-it](https://github.com/release-it/release-it) to make it easier
to publish new versions. It handles common tasks like bumping version based on
semver, creating tags and releases etc.
To publish new versions, run the following:
```sh
yarn release
```
### Scripts
The `package.json` file contains various scripts for common tasks:
- `yarn`: setup project by installing dependencies.
- `yarn typecheck`: type-check files with TypeScript.
- `yarn lint`: lint files with ESLint.
- `yarn test`: run unit tests with Jest.
- `yarn example start`: start the Metro server for the example app.
- `yarn example android`: run the example app on Android.
- `yarn example ios`: run the example app on iOS.
### Sending a pull request
> **Working on your first pull request?** You can learn how from this _free_
> series:
> [How to Contribute to an Open Source Project on GitHub](https://app.egghead.io/playlists/how-to-contribute-to-an-open-source-project-on-github).
When you're sending a pull request:
- Prefer small pull requests focused on one change.
- Verify that linters and tests are passing.
- Review the documentation to make sure it looks good.
- Follow the pull request template when opening a pull request.
- For pull requests that change the API or implementation, discuss with
maintainers first by opening an issue.

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# react-native-uniffi-russh
## @fressh/react-native-uniffi-russh
Uniffi bindings for russh
React Native bindings (via UniFFI) for the Rust SSH library
[russh](https://github.com/Eugeny/russh).
## Installation
[![npm version](https://img.shields.io/npm/v/%40fressh%2Freact-native-uniffi-russh)](https://www.npmjs.com/package/@fressh/react-native-uniffi-russh)
```sh
npm install react-native-uniffi-russh
### Install
```bash
pnpm add @fressh/react-native-uniffi-russh
```
## Usage
Peer dependencies (you manage): `react`, `react-native`.
```js
import { multiply } from 'react-native-uniffi-russh';
### Usage
// ...
This package exposes a native Rust module for SSH transport. For a complete,
working integration, see the example app in this monorepo at `apps/mobile`.
const result = multiply(3, 7);
```
### Links
## Contributing
- [Development workflow](CONTRIBUTING.md#development-workflow)
- [Sending a pull request](CONTRIBUTING.md#sending-a-pull-request)
- [Code of conduct](CODE_OF_CONDUCT.md)
## License
MIT
---
Made with
[create-react-native-library](https://github.com/callstack/react-native-builder-bob)
- Changelog: [`CHANGELOG.md`](./CHANGELOG.md)
- Contributing: see the monorepo guide at
[`../../CONTRIBUTING.md`](../../CONTRIBUTING.md)
- License: MIT

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import { type Config } from 'release-it';
export default {
// Avoid double-publish from the built-in npm plugin
npm: {
publish: true,
publishArgs: ['--access', 'public'],
@@ -18,8 +17,6 @@ export default {
github: {
release: true,
releaseName: '${npm.name} v${version}',
// optional: attach build artifacts
// assets: ['dist/**']
},
plugins: {
@@ -32,7 +29,7 @@ export default {
hooks: {
'before:init': ['turbo run lint:check'],
'before:github:release': 'turbo run build',
'after:bump': 'turbo run build',
'after:release': 'echo "Published ${npm.name} v${version} to npm"',
},
} satisfies Config;

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# React + TypeScript + Vite
## @fressh/react-native-xtermjs-webview
This template provides a minimal setup to get React working in Vite with HMR and
some ESLint rules.
React Native WebView that embeds [xterm.js](https://xtermjs.org/) with sensible
defaults and a bridge for input and output.
Currently, two official plugins are available:
[![npm version](https://img.shields.io/npm/v/%40fressh%2Freact-native-xtermjs-webview)](https://www.npmjs.com/package/@fressh/react-native-xtermjs-webview)
- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react)
uses [Babel](https://babeljs.io/) for Fast Refresh
- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react-swc)
uses [SWC](https://swc.rs/) for Fast Refresh
### Install
## Expanding the ESLint configuration
If you are developing a production application, we recommend updating the
configuration to enable type-aware lint rules:
```js
export default tseslint.config([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Remove tseslint.configs.recommended and replace with this
...tseslint.configs.recommendedTypeChecked,
// Alternatively, use this for stricter rules
...tseslint.configs.strictTypeChecked,
// Optionally, add this for stylistic rules
...tseslint.configs.stylisticTypeChecked,
// Other configs...
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
]);
```bash
pnpm add @fressh/react-native-xtermjs-webview react-native-webview
```
You can also install
[eslint-plugin-react-x](https://github.com/Rel1cx/eslint-react/tree/main/packages/plugins/eslint-plugin-react-x)
and
[eslint-plugin-react-dom](https://github.com/Rel1cx/eslint-react/tree/main/packages/plugins/eslint-plugin-react-dom)
for React-specific lint rules:
Peer dependencies: `react`, `react-dom` (for web), `react-native-webview`.
```js
// eslint.config.js
import reactX from 'eslint-plugin-react-x';
import reactDom from 'eslint-plugin-react-dom';
### Usage
export default tseslint.config([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Enable lint rules for React
reactX.configs['recommended-typescript'],
// Enable lint rules for React DOM
reactDom.configs.recommended,
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
]);
See `apps/mobile` in this monorepo for a complete example. Basic usage:
```tsx
import React, { useRef } from 'react';
import {
XtermJsWebView,
type XtermWebViewHandle,
} from '@fressh/react-native-xtermjs-webview';
export function Terminal() {
const termRef = useRef<XtermWebViewHandle | null>(null);
return (
<XtermJsWebView
ref={termRef}
onInitialized={() =>
termRef.current?.write(new TextEncoder().encode('hello'))
}
onData={(input) => console.log('user input:', input)}
/>
);
}
```
#### Props
- `webViewOptions`: subset of `react-native-webview` props (sane defaults
applied)
- `xtermOptions`: partial `@xterm/xterm` options (theme, font, scrollback, etc.)
- `onInitialized`: called when the terminal is ready
- `onData(str)`: emits user keystrokes
- `size`: `{ cols, rows }` to set terminal size
- `autoFit`: auto-fit after important changes (default: true)
#### Ref API
- `write(bytes)`, `writeMany([bytes...])`, `flush()`
- `clear()`, `focus()`, `fit()`, `resize({ cols, rows })`
### Publishing contents
This package intentionally publishes both `src/` and built `dist/` artifacts for
transparency and debugging.
### Links
- Changelog: [`CHANGELOG.md`](./CHANGELOG.md)
- Contributing: see the monorepo guide at
[`../../CONTRIBUTING.md`](../../CONTRIBUTING.md)
- Example: `apps/mobile`
- License: MIT