macos-defaults/build/vuepress/write-config.js

const fs = require('fs')
const Handlebars = require('handlebars')

Handlebars.registerHelper('lowerCase', (string) => {
  return string.toLowerCase()
})

module.exports = (supportedLanguages, templatesPath, destinationPath) => {
  fs.mkdirSync(`${destinationPath}/.vuepress`)
  fs.mkdirSync(`${destinationPath}/.vuepress/public`)

  fs.copyFileSync(
    `${templatesPath}/.vuepress/public/favicon.ico`,
    `${destinationPath}/.vuepress/public/favicon.ico`
  )

  const vuepressConfig = fs.readFileSync(
    `${templatesPath}/.vuepress/config.yml.handlebars`,
    'utf8'
  )
  const vuepressConfigContent = Handlebars.compile(vuepressConfig)(
    supportedLanguages
  )
  fs.writeFileSync(
    `${destinationPath}/.vuepress/config.yml`,
    vuepressConfigContent
  )
}