angular-docs-cn/aio/aio-builds-setup/dockerbuild/scripts-js/lib/common/utils.ts

// Functions
export const assertNotMissingOrEmpty = (name: string, value: string | null | undefined) => {
  if (!value) {
    throw new Error(`Missing or empty required parameter '${name}'!`);
  }
};

export const getEnvVar = (name: string, isOptional = false): string => {
  const value = process.env[name];

  if (!isOptional && !value) {
    console.error(`ERROR: Missing required environment variable '${name}'!`);
    process.exit(1);
  }

  return value || '';
};