async function storeProjectCredentialsInEnvFile()

in src/cli/commands/login/login.ts [108:153]

• 36 lines of code
• 11 McCabe index (conditional complexity)

async function storeProjectCredentialsInEnvFile(
  subscriptionId: string | undefined,
  tenantId: string | undefined,
  clientId: string | undefined,
  clientSecret: string | undefined,
) {
  const envFile = path.join(process.cwd(), ENV_FILENAME);
  const envFileExists = existsSync(envFile);
  const envFileContent = envFileExists ? await fs.readFile(envFile, "utf8") : "";
  const buf = Buffer.from(envFileContent);

  // in case the .env file format changes in the future, we can use the following to parse the file
  const config = dotenv.parse(buf);
  const oldEnvFileLines = Object.keys(config).map((key) => `${key}=${config[key]}`);
  const newEnvFileLines = [];

  let entry = `AZURE_SUBSCRIPTION_ID=${subscriptionId}`;
  if (subscriptionId && !envFileContent.includes(entry)) {
    newEnvFileLines.push(entry);
  }

  entry = `AZURE_TENANT_ID=${tenantId}`;
  if (tenantId && !envFileContent.includes(entry)) {
    newEnvFileLines.push(entry);
  }

  entry = `AZURE_CLIENT_ID=${clientId}`;
  if (clientId && !envFileContent.includes(entry)) {
    newEnvFileLines.push(entry);
  }

  entry = `AZURE_CLIENT_SECRET=${clientSecret}`;
  if (clientSecret && !envFileContent.includes(entry)) {
    newEnvFileLines.push(entry);
  }

  // write file if we have at least one new env line
  if (newEnvFileLines.length > 0) {
    const envFileContentWithProjectDetails = [...oldEnvFileLines, ...newEnvFileLines].join("\n");
    await fs.writeFile(envFile, envFileContentWithProjectDetails);

    logger.log(chalk.green(`✔ Saved project credentials in ${ENV_FILENAME} file.`));

    await updateGitIgnore(ENV_FILENAME);
  }
}