1. /**
  2. * Matches patterns of arrays without async logic.
  3. *
  4. * @param {Array<Array<any>>} patterns - An array of arrays representing the patterns to match.
  5. * @param {Array<any>} data - The array to search for the patterns in.
  6. * @returns {Array<number>} An array of indices where the patterns are found in the data.
  7. */
  8. function matchPatterns(patterns, data) {
  9. const matches = [];
  11. for (let i = 0; i < data.length; i++) {
  12. for (const pattern of patterns) {
  13. if (arraysMatch(data[i], pattern)) {
  14. matches.push(i); // Add the index if the pattern matches
  15. break; // Stop checking other patterns if a match is found
  16. }
  17. }
  18. }
  20. return matches;
  22. /**
  23. * Checks if two arrays match.
  24. * @param {Array<any>} arr1 - The first array.
  25. * @param {Array<any>} arr2 - The second array.
  26. * @returns {boolean} True if the arrays match, false otherwise.
  27. */
  28. function arraysMatch(arr1, arr2) {
  29. if (arr1.length !== arr2.length) {
  30. return false; // Arrays must have the same length to match
  31. }
  33. for (let i = 0; i < arr1.length; i++) {
  34. if (arr1[i] !== arr2[i]) {
  35. return false; // Elements at corresponding indices must be equal
  36. }
  37. }
  39. return true; // All elements match
  40. }
  41. }

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