bmingles/create-app.js

## create-app.js
#!/usr/bin/env node

/**
 * Script for scafolding a React + TypeScript app using
 * ParcelJS as a bundler.
 *
 * - TypeScript
 * - React
 * - ParcelJS
 * - Sass
 * - eslint
 * - prettier
 */

const fs = require('fs')
const path = require('path')

if (process.argv.length < 3) {
  console.error('Missing app directory arg.')
  process.exit(1)
}

const appRoot = path.resolve(process.argv[2])
const appName = appRoot.substr(appRoot.lastIndexOf(path.sep) + 1)

if (fs.existsSync(appRoot)) {
  console.error(`${appRoot} already exists.`)
  process.exit(1)
}

fs.mkdirSync(path.join(appRoot, 'src', 'components'), { recursive: true })

fs.writeFileSync(
  path.join(appRoot, 'package.json'),
  `{
  "name": "${appName}",
  "version": "1.0.0",
  "main": "index.js",
  "license": "MIT",
  "devDependencies": {
    "@types/react": "^16.9.19",
    "@types/react-dom": "^16.9.5",
    "@typescript-eslint/eslint-plugin": "^2.19.2",
    "@typescript-eslint/parser": "^2.19.2",
    "eslint": "^6.8.0",
    "eslint-plugin-react": "^7.18.3",
    "eslint-plugin-react-hooks": "^2.3.0",
    "node-sass": "^4.13.1",
    "parcel-bundler": "^1.12.4",
    "prettier": "^1.19.1",
    "typescript": "^3.7.5"
  },
  "scripts": {
    "build": "parcel build index.html",
    "start": "parcel index.html"
  },
  "dependencies": {
    "react": "^16.12.0",
    "react-dom": "^16.12.0"
  }
}
`
)

fs.writeFileSync(
  path.join(appRoot, 'tsconfig.json'),
  `{
    "compilerOptions": {
      "downlevelIteration": true,
      "esModuleInterop": true,
      "jsx": "react",
      "lib": [
        "dom",
        "dom.iterable",
        "esnext"
      ],
      "module": "commonjs",
      "moduleResolution": "node",
      "sourceMap": true,
      "strict": true
    },
    "exclude": [
      "node_modules"
    ],
    "include": ["src/**/*"]
  }`
)

fs.writeFileSync(
  path.join(appRoot, '.prettierrc.js'),
  `module.exports = {
  semi: false,
  singleQuote: true,
  trailingComma: 'all',
  tabWidth: 2,
};`
)

fs.writeFileSync(
  path.join(appRoot, '.gitignore'),
  `.cache
/dist
node_modules`
)

fs.writeFileSync(
  path.join(appRoot, 'index.html'),
  `<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>${appName[0].toUpperCase()}${appName.slice(1)}</title>
  </head>
  <body>
    <div id="app"></div>
    <script src="src/index.tsx"></script>
  </body>
</html>
`
)

fs.writeFileSync(
  path.join(appRoot, 'src', 'index.tsx'),
  `import React from 'react'
import ReactDOM from 'react-dom'
import { App } from './components'

import './index.scss'

ReactDOM.render(<App />, document.getElementById('app'))`
)

fs.writeFileSync(
  path.join(appRoot, 'src', 'components', 'App.tsx'),
  `import React from 'react'

export interface AppProps {}

const App: React.FC<AppProps> = () => <div>App</div>

export default App`
)

fs.writeFileSync(
  path.join(appRoot, 'src', 'index.scss'),
  `* {
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  font-size: 16px;
}`
)

fs.writeFileSync(
  path.join(appRoot, 'src', 'components', 'index.ts'),
  `export { default as App } from './App'`
)
	#!/usr/bin/env node

	/**
	* Script for scafolding a React + TypeScript app using
	* ParcelJS as a bundler.
	*
	* - TypeScript
	* - React
	* - ParcelJS
	* - Sass
	* - eslint
	* - prettier
	*/

	const fs = require('fs')
	const path = require('path')

	if (process.argv.length < 3) {
	console.error('Missing app directory arg.')
	process.exit(1)
	}

	const appRoot = path.resolve(process.argv[2])
	const appName = appRoot.substr(appRoot.lastIndexOf(path.sep) + 1)

	if (fs.existsSync(appRoot)) {
	console.error(`${appRoot} already exists.`)
	process.exit(1)
	}

	fs.mkdirSync(path.join(appRoot, 'src', 'components'), { recursive: true })

	fs.writeFileSync(
	path.join(appRoot, 'package.json'),
	`{
	"name": "${appName}",
	"version": "1.0.0",
	"main": "index.js",
	"license": "MIT",
	"devDependencies": {
	"@types/react": "^16.9.19",
	"@types/react-dom": "^16.9.5",
	"@typescript-eslint/eslint-plugin": "^2.19.2",
	"@typescript-eslint/parser": "^2.19.2",
	"eslint": "^6.8.0",
	"eslint-plugin-react": "^7.18.3",
	"eslint-plugin-react-hooks": "^2.3.0",
	"node-sass": "^4.13.1",
	"parcel-bundler": "^1.12.4",
	"prettier": "^1.19.1",
	"typescript": "^3.7.5"
	},
	"scripts": {
	"build": "parcel build index.html",
	"start": "parcel index.html"
	},
	"dependencies": {
	"react": "^16.12.0",
	"react-dom": "^16.12.0"
	}
	}
	`
	)

	fs.writeFileSync(
	path.join(appRoot, 'tsconfig.json'),
	`{
	"compilerOptions": {
	"downlevelIteration": true,
	"esModuleInterop": true,
	"jsx": "react",
	"lib": [
	"dom",
	"dom.iterable",
	"esnext"
	],
	"module": "commonjs",
	"moduleResolution": "node",
	"sourceMap": true,
	"strict": true
	},
	"exclude": [
	"node_modules"
	],
	"include": ["src/*/"]
	}`
	)

	fs.writeFileSync(
	path.join(appRoot, '.prettierrc.js'),
	`module.exports = {
	semi: false,
	singleQuote: true,
	trailingComma: 'all',
	tabWidth: 2,
	};`
	)

	fs.writeFileSync(
	path.join(appRoot, '.gitignore'),
	`.cache
	/dist
	node_modules`
	)

	fs.writeFileSync(
	path.join(appRoot, 'index.html'),
	`<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>${appName[0].toUpperCase()}${appName.slice(1)}</title>
	</head>
	<body>
	<div id="app"></div>
	<script src="src/index.tsx"></script>
	</body>
	</html>
	`
	)

	fs.writeFileSync(
	path.join(appRoot, 'src', 'index.tsx'),
	`import React from 'react'
	import ReactDOM from 'react-dom'
	import { App } from './components'

	import './index.scss'

	ReactDOM.render(<App />, document.getElementById('app'))`
	)

	fs.writeFileSync(
	path.join(appRoot, 'src', 'components', 'App.tsx'),
	`import React from 'react'

	export interface AppProps {}

	const App: React.FC<AppProps> = () => <div>App</div>

	export default App`
	)

	fs.writeFileSync(
	path.join(appRoot, 'src', 'index.scss'),
	`* {
	box-sizing: border-box;
	}

	body {
	font-family: sans-serif;
	font-size: 16px;
	}`
	)

	fs.writeFileSync(
	path.join(appRoot, 'src', 'components', 'index.ts'),
	`export { default as App } from './App'`
	)