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	README.md	2024-05-21 17:04	3.4K	595aea1 more query options + view options [كارل مبارك]
	package.json	2024-05-21 17:04	1.3K	afd0ccc remove unused [كارل مبارك]

# 🌆 citty

[![npm version][npm-version-src]][npm-version-href]
[![npm downloads][npm-downloads-src]][npm-downloads-href]
[![bundle][bundle-src]][bundle-href]
[![Codecov][codecov-src]][codecov-href]
[![License][license-src]][license-href]

> Elegant CLI Builder

- Fast and lightweight argument parser based on [mri](https://github.com/lukeed/mri)
- Smart value parsing with typecast, boolean shortcuts and unknown flag handling
- Nested sub-commands
- Lazy and Async commands
- Plugable and composable API
- Auto generated usage and help

🚧 This project is under heavy development. More features are coming soon!

## Usage

Install package:

```sh
# npm
npm install citty

# yarn
yarn add citty

# pnpm
pnpm install citty
```

Import:

```js
// ESM
import { defineCommand, runMain } from "citty";

// CommonJS
const { defineCommand, runMain } = require("citty");
```

Define main command to run:

```ts
import { defineCommand, runMain } from "citty";

const main = defineCommand({
  meta: {
    name: "hello",
    version: "1.0.0",
    description: "My Awesome CLI App",
  },
  args: {
    name: {
      type: "positional",
      description: "Your name",
      required: true,
    },
    friendly: {
      type: "boolean",
      description: "Use friendly greeting",
    },
  },
  run({ args }) {
    console.log(`${args.friendly ? "Hi" : "Greetings"} ${args.name}!`);
  },
});

runMain(main);
```

## Utils

### `defineCommand`

`defineCommand` is a type helper for defining commands.

### `runMain`

Runs a command with usage support and graceful error handling.

### `createMain`

Create a wrapper around command that calls `runMain` when called.

### `runCommand`

Parses input args and runs command and sub-commands (unsupervised). You can access `result` key from returnd/awaited value to access command's result.

### `parseArgs`

Parses input arguments and applies defaults.

### `renderUsage`

Renders command usage to a string value.

### `showUsage`

Renders usage and prints to the console

## Development

- Clone this repository
- Install latest LTS version of [Node.js](https://nodejs.org/en/)
- Enable [Corepack](https://github.com/nodejs/corepack) using `corepack enable`
- Install dependencies using `pnpm install`
- Run interactive tests using `pnpm dev`

## License

Made with 💛 Published under [MIT License](./LICENSE).

Argument parser is based on [lukeed/mri](https://github.com/lukeed/mri) by Luke Edwards ([@lukeed](https://github.com/lukeed)).

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