1. /**
  2. * Hashes task queue values for backward compatibility.
  3. *
  4. * @param {any} value The value to hash.
  5. * @returns {string} The hashed value.
  6. */
  7. function hashValue(value) {
  8. // Use a simple hashing algorithm (can be replaced with a more robust one if needed).
  9. let hash = 0;
  10. const str = String(value); // Convert to string to handle various data types
  11. for (let i = 0; i < str.length; i++) {
  12. const char = str.charCodeAt(i);
  13. hash = ((hash << 5) - hash) + char; // Multiply by 31 and add the char code
  14. hash = hash & hash; // Convert to 32bit integer
  15. }
  16. return hash.toString(); // Return as string
  17. }
  18. /**
  19. * Creates a map of original values to their hashed representations.
  20. *
  21. * @param {Array<any>} originalValues An array of task queue values.
  22. * @returns {Object<string, any>} A map where keys are hashed values and values are the original values.
  23. */
  24. function createHashMap(originalValues) {
  25. const hashMap = {};
  26. for (const value of originalValues) {
  27. const hash = hashValue(value);
  28. hashMap[hash] = value;
  29. }
  30. return hashMap;
  31. }
  32. /**
  33. * Replaces old values with their hashed equivalents in a task queue.
  34. *
  35. * @param {Array<any>} taskQueue The task queue array.
  36. * @param {Object<string, any>} hashMap The hash map created using createHashMap.
  37. * @returns {Array<any>} The modified task queue with hashed values.
  38. */
  39. function hashTaskQueue(taskQueue, hashMap) {
  40. const hashedQueue = [];
  41. for (const value of taskQueue) {
  42. const hash = hashValue(value);
  43. hashedQueue.push(hashMap[hash]); // Use the hashed value from the map
  44. }
  45. return hashedQueue;
  46. }
  47. //Example Usage (can be removed for production)
  48. // const originalTaskQueue = [1, "hello", {name: "John"}];
  49. // const hashMap = createHashMap(originalTaskQueue);
  50. // const hashedTaskQueue = hashTaskQueue(originalTaskQueue, hashMap);
  51. // console.log("Original Task Queue:", originalTaskQueue);
  52. // console.log("Hashed Task Queue:", hashedTaskQueue);

Add your comment