🎉 Initial commit.

.gitignore

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+.DS_Store
+node_modules/
+
+npm-debug.log
+yarn-error.log

.prettierignore

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+node_modules/
+
+package.json

README.md

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+<p align="center"><a href="https://www.jeffjade.com?utm_source=github.com" target="_blank"><img width="100"src="https://raw.githubusercontent.com/nicejade/arya-jarvis/master/src/assets/images/logo.png"></a></p>
+
+<h1 align="center">ARYA JARVIS</h1>
+
+<div align="center">
+  <strong>
+    Designed to save developers more time and energy
+  </strong>
+</div>
+
+<br>
+
+<div align="center">
+  <a href="https://nodejs.org/en/">
+    <img src="https://img.shields.io/badge/node-%3E%3D%208.0.0-green.svg" alt="Node Version">
+  </a>
+  <a href="https://github.com/nicejade/arya-jarvis">
+    <img src="https://img.shields.io/github/license/nicejade/arya-jarvis.svg" alt="LICENSE">
+  </a>
+  <a href="https://nicelinks.site/post/5c16083e819ae45de1453caa">
+    <img src="https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat" alt="Prettier">
+  </a>
+  <a href="https://www.jeffjade.com/">
+    <img src="https://img.shields.io/badge/chat-on%20blog-brightgreen.svg" alt="Arya Jarvis">
+  </a>
+  <a href="https://weibo.com/jeffjade">
+    <img src="https://img.shields.io/badge/WeiBo-jeffjade-red.svg?style=flat" alt="Arya Jarvis">
+  </a>
+  <a href="https://aboutme.lovejade.cn/?utm_source=github.com">
+    <img src="https://img.shields.io/badge/Author-nicejade-%23a696c8.svg" alt="Author nicejade">
+  </a>
+</div>
+
+## Goal and Philosophy
+
+The ideal goal is to help us deal with things that can be more precise in the simplest way. `Arya Jarvis` is an attempt to do this, it designed to save developers more time and energy.
+
+## Prerequisites
+
+[Node.js](https://nodejs.org/en/) (>= 8.*), Npm version 4+(Yarn preferred), and [Git](https://git-scm.com/).
+
+## Install
+
+```bash
+npm i arya-jarvis -g
+# OR
+yarn add global arya-jarvis
+```
+
+## Usage
+
+##### List the script commands in package.json.
+
+```bash
+arya ls
+# Or
+arya l
+```
+
+##### Prettier the code under the specified path.
+
+```bash
+arya prettier index.js
+# Or 
+arya p src/**/*.js
+```
+
+##### Listen for code changes in the specified path and prettier them.
+
+```bash
+arya watcher index.js
+# Or
+arya w src/**/*.js
+```
+
+## Recommended links
+
+* [**NICE LINKS**](https://nicelinks.site/?utm_source=github.com)
+* [About Me](https://about.me/nicejade/?utm_source=github.com)
+* [Hexo Blog](https://jeffjade.com/?utm_source=github.com)
+* [VuePress Blog](https://www.lovejade.cn/?utm_source=github.com)
+* [VuePress Blog](https://nice.lovejade.cn/?utm_source=github.com)
+* [Ghost Blog](https://quickapp.lovejade.cn/?utm_source=github.com)
+* [Jekyll blog](https://blog.lovejade.cn/?utm_source=github.com)
+* [SegmentFault](https://segmentfault.com/u/jeffjade)
+* [Wei bo](http://weibo.com/jeffjade/)
+* [Zhi Hu](https://www.zhihu.com/people/yang-qiong-pu/)
+* [Jian Shu](http://www.jianshu.com/u/9aae3d8f4c3d)
+* [Twitter](https://twitter.com/nicejadeyang)
+* [Facebook](https://www.facebook.com/nice.jade.yang)
+
+## License
+
+[MIT](http://opensource.org/licenses/MIT)
+
+Copyright (c) 2019-present, [nicejade](https://aboutme.lovejade.cn/?utm_source=arya-jarvis).

bin/index.js

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+#!/usr/bin/env node
+
+const commander = require('commander')
+const program = new commander.Command()
+const chalk = require('chalk')
+const print = require('./../helper/print')
+const { exec } = require('child_process')
+
+const version = require(`./../package.json`).version
+program.version(version, '-v, --vers', 'output the current version')
+
+program
+  .command('ls')
+  .alias('l')
+  .description('List the script commands in package.json.')
+  .action(() => {
+    const scripts = require(`${process.cwd()}/package.json`).scripts
+    print('success', 'List the script commands in package.json:')
+    for (let key in scripts) {
+      const colorKey = chalk.magenta(`${key}`)
+      print('normal', `  ${colorKey}: ${scripts[key]}`)
+    }
+  })
+
+program
+  .command('prettier <path>')
+  .alias('p')
+  .description('Prettier the code under the specified path.')
+  .action(params => {
+    exec(`npx prettier --write ${params}`, (error, stdout, stderr) => {
+      if (error) return print(`error`, `Something Error: ${error}`)
+      print(`success`, 'Has successfully prettier your code.')
+    })
+  })
+
+program
+  .command('watcher <path>')
+  .alias('w')
+  .description('Listen for code changes in the specified path and prettier them.')
+  .action(params => {
+    console.log(params)
+    exec(`npx onchange ${params} -- prettier --write {{changed}}`, (error, stdout, stderr) => {
+      print(`normal`, 'Be ready to beautify your changed code.')
+      console.log(stdout)
+      console.log(stderr)
+      if (error) return print(`error`, `Something Error: ${error}`)
+    })
+  })
+
+program.parse(process.argv)
+
+if (program.args.length === 0) {
+  program.help()
+}

helper/print.js

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+const chalk = require('chalk')
+
+const colorMapping = {
+  normal: 'cyan',
+  success: 'green',
+  warn: 'yellow',
+  error: 'red'
+}
+
+module.exports = (type, args) => {
+  if (typeof args === 'object') {
+    return console.log(chalk[colorMapping[type]](...args))
+  }
+  const color = colorMapping[type] || 'white'
+  console.log(chalk[color](args))
+}