Function getNextConfigEnv

packages/next/src/lib/static-env.ts:40–54

(
  config: NextConfigComplete | NextConfigRuntime
)

 * Collects the `env` config value from the Next.js config.
 */
export function getNextConfigEnv(
  config: NextConfigComplete | NextConfigRuntime
) {
  // Refactored code below to use for-of
  const defineEnv: Record<string, string | undefined> = {}
  const env = config.env
  for (const key in env) {
    const value = env[key]
    if (value != null) {
      errorIfEnvConflicted(config, key)
      defineEnv[`process.env.${key}`] = value
    }
  }
  return defineEnv
}

export function getStaticEnv(
  config: NextConfigComplete | NextConfigRuntime,