/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

export async function readStdin(): Promise<string> {
  return new Promise((resolve, reject) => {
    let data = '';
    process.stdin.setEncoding('utf8');

    process.stdin.on('readable', () => {
      let chunk;
      while ((chunk = process.stdin.read()) !== null) {
        data += chunk;
      }
    });

    process.stdin.on('end', () => {
      resolve(data);
    });

    process.stdin.on('error', (err) => {
      reject(err);
    });
  });
}