1. class RateLimiter {
  2. constructor(limit, interval) {
  3. this.limit = limit;
  4. this.interval = interval;
  5. this.queue = [];
  6. this.timer = null;
  7. }
  9. /**
  10. * Attempts to execute a script if within rate limits.
  11. * @param {function} script The script to execute.
  12. * @returns {boolean} True if executed, false if rate limited.
  13. */
  14. execute(script) {
  15. if (this.queue.length >= this.limit) {
  16. return false; // Rate limited
  17. }
  19. this.queue.push(script);
  20. this.processQueue();
  21. return true;
  22. }
  24. /**
  25. * Processes the queue of scripts.
  26. */
  27. processQueue() {
  28. if (this.timer) {
  29. return; // Already running
  30. }
  32. this.timer = setTimeout(() => {
  33. while (this.queue.length > 0) {
  34. const script = this.queue.shift();
  35. try {
  36. script();
  37. } catch (error) {
  38. console.error("Script execution error:", error);
  39. }
  40. }
  41. this.timer = null;
  42. }, this.interval);
  43. }
  44. }
  47. // Example Usage: (for sandbox)
  48. const rateLimiter = new RateLimiter(5, 1000); // Limit 5 scripts per 1000ms (1 second)
  50. // Define some sample scripts
  51. const script1 = () => { console.log("Script 1 executed"); };
  52. const script2 = () => { console.log("Script 2 executed"); };
  53. const script3 = () => { console.log("Script 3 executed"); };
  54. const script4 = () => { console.log("Script 4 executed"); };
  55. const script5 = () => { console.log("Script 5 executed"); };
  56. const script6 = () => { console.log("Script 6 executed"); }; //will be rate limited.
  59. // Test execution
  60. console.log("Executing script 1...");
  61. rateLimiter.execute(script1);
  62. console.log("Executing script 2...");
  63. rateLimiter.execute(script2);
  64. console.log("Executing script 3...");
  65. rateLimiter.execute(script3);
  66. console.log("Executing script 4...");
  67. rateLimiter.execute(script4);
  68. console.log("Executing script 5...");
  69. rateLimiter.execute(script5);
  70. console.log("Executing script 6..."); // rate limited.
  73. // You can add more scripts as needed.

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