Function htmlEscape

qr/qr.ts:16–23

(text: string)

const execFileAsync = promisify(execFile);

// HTML转义函数
// 检查并安装依赖
async function ensureDependencies(): Promise<void> {
  const missingDeps: string[] = [];
  
  try {
    await execFileAsync('which', ['qrencode']);
  } catch (error) {
    missingDeps.push('qrencode');
  }