text: import chalk from 'chalk';
  
  export default function CheckNodeEnv(expectedEnv) {
    if (!expectedEnv) {
      throw new Error('"expectedEnv" not set');
    }
  
    if (process.env.NODE_ENV !== expectedEnv) {
      console.log(
        chalk.whiteBright.bgRed.bold(
          `"process.env.NODE_ENV" must be "${expectedEnv}" to use this webpack config`,
        ),
      );
      process.exit(2);
    }
  }
  