How to use the @babel/cli/lib/babel/options.js.default function in @babel/cli
To help you get started, we’ve selected a few @babel/cli examples, based on popular ways it is used in public projects.
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FelixKuehl / cra-monorepo / packages / library-utils / bin / start.js View on Github 
function startDev(type = 'default') {
type === 'withStorybook'
? console.log(
chalk.cyan('Starting styleguide and babel watcher...\u001b[39m')
)
: console.log(chalk.cyan('Starting babel watcher...\u001b[39m'))
// Spawn Babel server
process.env.NODE_ENV = 'development'
const opts = parseArgv([
process.argv[0],
process.argv[1],
'-w',
'--presets=react-app',
'src',
'--out-dir',
'es',
'--copy-files',
'--delete-dir-on-start',
'--ignore',
'__tests__,spec.js,test.js,__snapshots__'
])
dirCommand(opts).catch(err => {
console.error(err)
process.exit(1)
})
