1. function invalidateCache(input, cacheTime) {
  2. // Store the input in a cache object with a timestamp
  3. if (!window.cache) {
  4. window.cache = {};
  5. }
  6. window.cache[input] = Date.now();
  8. // Function to check if the cache has expired
  9. const checkCache = () => {
  10. const now = Date.now();
  11. for (const key in window.cache) {
  12. if (now - window.cache[key] > cacheTime) {
  13. delete window.cache[key]; // Remove expired cache entry
  14. }
  15. }
  16. };
  18. // Set a timeout to periodically check and invalidate the cache
  19. window.setTimeout(checkCache, cacheTime);
  21. // Return a function to invalidate the cache immediately for a specific input
  22. return () => {
  23. delete window.cache[input]; // Invalidate cache for the given input
  24. };
  25. }
  27. // Example usage:
  28. // Invalidate cache for input "myInput" after 5 seconds
  29. const invalidateMyInput = invalidateCache("myInput", 5000);
  31. // To invalidate the cache immediately for "myInput":
  32. // invalidateMyInput();

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