Function hasEncodingIssues

qr/qr.ts:102–108

(text: string)

         /[\uFFFD]/.test(text); // 检测替换字符
}

// 解码二维码
async function decodeQRCode(imageBuffer: Buffer): Promise<string[]> {
  await ensureDependencies();
  
  const tempFile = join(tmpdir(), `qr_decode_${Date.now()}.png`);
  
  try {
    // 保存图片到临时文件
    writeFileSync(tempFile, imageBuffer);