How to use the @instructure/command-utils.runCommandsConcurrently function in @instructure/command-utils

* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
const { runCommandsConcurrently, getCommand } = require('@instructure/command-utils')

// ui-scripts --server -p 8080
const args = process.argv.slice(2)
const portIndex = args.findIndex(arg => arg === '-p')
let port = '8080'
if (portIndex > 0) {
  port = args[portIndex + 1]
}

process.exit(runCommandsConcurrently({
  // http-server __build__ -p 8001
  server: getCommand('http-server', ['__build__', '-p', port], [])
}).status)

*
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

const { runCommandsConcurrently, getCommand } = require('@instructure/command-utils')

process.exit(runCommandsConcurrently({
  clean: getCommand('rimraf', [
    '__build__',
    'es',
    'dist',
    'lib',
    '.babel-cache',
    '.cache',
    'types'
  ])
}).status)

]
} else {
  command = 'build-storybook'
  commandArgs = ['-c', '.storybook', '-o', '__build__']
  envVars = [
    `NODE_ENV=production`,
    `NODE_PATH=${rootPath}`,
    (DEBUG ? `DEBUG=1` : false),
    (UNMANGLED_CLASS_NAMES  ? `UNMANGLED_CLASS_NAMES=1` : false),
    (USE_WEBPACK_CSS_LOADERS  ? `USE_WEBPACK_CSS_LOADERS=1` : false),
    (DISABLE_SPEEDY_STYLESHEET  ? `DISABLE_SPEEDY_STYLESHEET=1` : false)
  ].filter(Boolean)
}

process.exit(
  runCommandsConcurrently({
    storybook: getCommand(command, commandArgs, envVars)
  }).status
)

]
  webpackArgs = ['--mode=development', `--port=${port}`]
} else {
  command = 'webpack'
  envVars = [
    `NODE_ENV=${NODE_ENV || 'production'}`,
    'NODE_OPTIONS=--max_old_space_size=120000',
    (DEBUG ? `DEBUG=1` : false),
    (UNMANGLED_CLASS_NAMES  ? `UNMANGLED_CLASS_NAMES=1` : false),
    (USE_WEBPACK_CSS_LOADERS  ? `USE_WEBPACK_CSS_LOADERS=1` : false),
    (DISABLE_SPEEDY_STYLESHEET  ? `DISABLE_SPEEDY_STYLESHEET=1` : false)
  ].filter(Boolean)
  webpackArgs = ['--mode=production']
}

process.exit(runCommandsConcurrently({
  webpack: getCommand(command, webpackArgs, envVars)
}).status)

throw new Error('Missing --modules argument')
  }
  modules = arg.split(',')
  if (modules.some(mod => !['es', 'cjs'].includes(mod))) {
    throw new Error(`Invalid --modules argument: '${arg}'`)
  }
}

const commands = {
  es: getCommand('babel', [...babelArgs, '--out-dir', 'es'], [...envVars, 'ES_MODULES=1']),
  cjs: getCommand('babel', [...babelArgs, '--out-dir', 'lib'], [...envVars, 'TRANSFORM_IMPORTS=1'])
}

const commandsToRun = modules.reduce((obj, key) => ({ ...obj, [key]: commands[key] }), {})

process.exit(runCommandsConcurrently(commandsToRun).status)