text: /**
   * This file is expected to be used in next.config.js only
   */
  
  const path = require('path')
  const fs = require('fs')
  const merge = require('deepmerge')
  const prettier = require('prettier')
  
  const PROVIDERS = [
    'local',
    'bigcommerce',
    'saleor',
    'shopify',
    'swell',
    'vendure',
    'ordercloud',
    'woocommerce',
  ]
  
  function getProviderName() {
    return (
      process.env.COMMERCE_PROVIDER ||
      (process.env.BIGCOMMERCE_STOREFRONT_API_URL
        ? 'bigcommerce'
        : process.env.NEXT_PUBLIC_SHOPIFY_STORE_DOMAIN
        ? 'shopify'
        : process.env.NEXT_PUBLIC_SWELL_STORE_ID
        ? 'swell'
        : process.env.NEXT_PUBLIC_WOOCOMMERCE_SHOP_API_URL
        ? 'woocommerce'
        : 'local')
    )
  }
  
  function withCommerceConfig(nextConfig = {}) {
    const commerce = nextConfig.commerce || {}
    const name = commerce.provider || getProviderName()
  
    if (!name) {
      throw new Error(
        `The commerce provider is missing, please add a valid provider name or its environment variables`
      )
    }
    if (!PROVIDERS.includes(name)) {
      throw new Error(
        `The commerce provider "${name}" can't be found, please use one of "${PROVIDERS.join(
          ', '
        )}"`
      )
    }
  
    const commerceNextConfig = require(path.join('../', name, 'next.config'))
    const config = merge(nextConfig, commerceNextConfig)
  
    config.env = config.env || {}
  
    Object.entries(config.commerce.features).forEach(([k, v]) => {
      if (v) config.env[`COMMERCE_${k.toUpperCase()}_ENABLED`] = true
    })
  
    // Update paths in `tsconfig.json` to point to the selected provider
    if (config.commerce.updateTSConfig !== false) {
      const tsconfigPath = path.join(process.cwd(), 'tsconfig.json')
      const tsconfig = require(tsconfigPath)
  
      tsconfig.compilerOptions.paths['@framework'] = [`framework/${name}`]
      tsconfig.compilerOptions.paths['@framework/*'] = [`framework/${name}/*`]
  
      // When running for production it may be useful to exclude the other providers
      // from TS checking
      if (process.env.VERCEL) {
        const exclude = tsconfig.exclude.filter(
          (item) => !item.startsWith('framework/')
        )
  
        tsconfig.exclude = PROVIDERS.reduce((exclude, current) => {
          if (current !== name) exclude.push(`framework/${current}`)
          return exclude
        }, exclude)
      }
  
      fs.writeFileSync(
        tsconfigPath,
        prettier.format(JSON.stringify(tsconfig), { parser: 'json' })
      )
    }
  
    return config
  }
  
  module.exports = { withCommerceConfig, getProviderName }
  