mdx-deck/cli.js

#!/usr/bin/env node
const meow = require('meow')
const open = require('react-dev-utils/openBrowser')
const chalk = require('chalk')
const dev = require('./lib/dev')

const config = require('pkg-conf').sync('mdx-deck')

const log = (...args) => {
  console.log(
    chalk.magenta('[mdx-deck]'),
    ...args
  )
}
log.error = (...args) => {
  console.log(
    chalk.red('[err]'),
    ...args
  )
}

const cli = meow(`
  Usage

    $ mdx-deck deck.mdx

    $ mdx-deck build deck.mdx

  Options

    -p --port   Dev server port

    --no-open   Prevent from opening in default browser

`, {
  flags: {
    port: {
      type: 'string',
      alias: 'p'
    },
    open: {
      type: 'boolean',
      alias: 'o',
      default: true
    }
  }
})

const [ entry ] = cli.input

if (!entry) cli.showHelp(0)

const opts = Object.assign({
  entry,
}, config, cli.flags)

dev(opts)
  .then(res => {
    const url = 'http://localhost:' + res.port
    open(url)
    log('listening on', chalk.magenta(url))
  })
  .catch(err => {
    console.error(err)
  })