create-parcel.js

#!/usr/bin/env node

const loadPackageJson = require('@financial-times/package-json')
const { execSync } = require('child_process')

const packageJson = loadPackageJson({ filepath: './package.json' })

packageJson.requireDependency({ pkg: 'parcel-bundler', version: '^1.12.0', field: 'devDependencies' })

packageJson.setField('scripts', {
  start: 'parcel index.html',
  build: 'parcel build index.html'
})

packageJson.writeChanges()
execSync('touch index.html', { stdio: 'inherit', env: process.env })
execSync('npm install', { stdio: 'inherit', env: process.env })