package/scripts/npm-package.js (8 lines of code) (raw):

const exec = require('child_process').exec const fs = require('fs') fs.rmSync('lib', { recursive: true, force: true }) exec('mkdir lib && babel --config-file ./npm-package.babel.js ./src -d lib --extensions .js,.jsx,.snap --copy-files --no-copy-ignored', (err) => { if (err) { throw err } })