crypto-pro-js/examples/react/src/components/SystemInfo.js

import React, { useState, useEffect } from 'react';
import { getSystemInfo, isValidSystemSetup } from 'crypto-pro';

function SystemInfo() {
  const [systemInfo, setSystemInfo] = useState(null);
  const [systemInfoError, setSystemInfoError] = useState(null);

  useEffect(() => {
    (async () => {
      try {
        setSystemInfo({
          ...await getSystemInfo(),
          isValidSystemSetup: await isValidSystemSetup()
        });
      } catch (error) {
        setSystemInfoError(error.message);
      }
    })();
  });

  return (
    <>
      <legend>Информация о системе</legend>

      <pre>
        {systemInfo ? (
          JSON.stringify(systemInfo, null, '  ')
        ) : (
          systemInfoError || null
        )}
      </pre>
    </>
  );
}

export default SystemInfo;