Function replaceProcessEnv

packages/next-env/index.ts:29–43

(sourceEnv: Env)

}

function replaceProcessEnv(sourceEnv: Env) {
  Object.keys(process.env).forEach((key) => {
    // Allow mutating internal Next.js env variables after the server has initiated.
    // This is necessary for dynamic things like the IPC server port.
    if (!key.startsWith('__NEXT_PRIVATE')) {
      if (sourceEnv[key] === undefined || sourceEnv[key] === '') {
        delete process.env[key]
      }
    }
  })

  Object.entries(sourceEnv).forEach(([key, value]) => {
    process.env[key] = value
  })
}

export function processEnv(
  loadedEnvFiles: LoadedEnvFiles,