Example of runfile.js (for medium article)

runfile.js

import { run, option } from 'runjs'

export function clean () {
  run('rm -rf node_modules')
  run('rm -rf build')
}

export function lint (path = '.') {
  option(this, 'fix') ? run(`eslint ${path} --fix`) : run(`eslint ${path}`)
}

export function dev () {
  build.dev()
  run('nodemon --exec node -- core/index.node.dev.js', {async: true})
  run('webpack-dev-server --hot --progress --config config/webpack/dev.js', {async: true})
}

export function test () {
  let watch
  if (option(this, 'watch')) {
    watch = watch ? '--watch' : ''
  } else {
    watch = ''
    lint()
  }
  run(`mocha plugins/**/*.test.js --require mochaccino/dom-setup --compilers js:babel-register${watch}`)
}

export const build = {
  clean () {
    run('rm -rf build')
    run('mkdir build')
    run('rm -f ./core/index.node.bundle.js')
  }
  
  dev () {
    // ...
  }
  
  dist () {
    build.clean()
    run('webpack -p --config config/webpack/prod.js --display-error-details')
    run('webpack --config config/webpack/node.js --display-error-details')
  }
}