dvan/lib/plugins/command/ejectHtml.js

Check out https://dvan.js.org

exports.name = 'built-in:command-eject-html'

exports.cli = api => {
  api.cli
    .command('eject-html [file-path]', 'Eject default template HTML file')
    .option('--override', 'Override existing file')
    .action(async (filePath = 'public/template.html', { override } = {}) => {
      const fs = require('fs-extra')
      const path = require('path')
      if (!override && (await fs.pathExists(api.resolveCwd(filePath)))) {
        api.logger.error(
          `${filePath} already existing, try \`--override\` flag to override file if you want`
        )
        return
      }
      await fs.copy(
        path.resolve(__dirname, '../../webpack/default-template.html'),
        api.resolveCwd(filePath)
      )
      api.logger.done(`Ejected to ${filePath}`)
    })
}