BigInt-Bitmasken-Auswertung für Mandantenfähige Berechtigungsprüfungen

import React, { createContext, useContext, useMemo } from 'react';
 
const PERMISSIONS = {
  READ_ANALYTICS: 1n << 0n,
  WRITE_SETTINGS: 1n << 32n,
  EXECUTE_DEPLOY: 1n << 64n
};
 
const AuthContext = createContext(0n);
 
export function PermissionGate({ requiredBit, children }) {
  const userFlags = useContext(AuthContext);
  const hasAccess = useMemo(() => {
    return (userFlags & requiredBit) === requiredBit;
  }, [userFlags, requiredBit]);
 
  return hasAccess ? <>{children}</> : null;
}