const pc = require('picocolors')

const nextUtilsConfig = () => {
  const trueEnv = ['true', '1', 'yes']
  const esmExternals = trueEnv.includes(
    process.env?.NEXTJS_ESM_EXTERNALS ?? 'false'
  )
  const tsconfigPath = process.env.NEXTJS_TSCONFIG_PATH
    ? process.env.NEXTJS_TSCONFIG_PATH
    : './tsconfig.json'

  console.warn(
    `${pc.green('warn  -')} experimental.esmExternals is ${
      esmExternals ? 'enabled' : 'disabled'
    }`
  )
  return {
    esmExternals,
    tsconfigPath,
  }
}

module.exports = {
  loadCustomBuildParams: nextUtilsConfig,
}