1. /**
  2. * Attaches metadata to arrays for sandbox usage based on a configuration file.
  3. *
  4. * @param {Array<any>} arr The array to attach metadata to.
  5. * @param {object} config The configuration object containing metadata definitions.
  6. * @param {function} getArrayMetadata A function to retrieve the original array.
  7. */
  8. function attachArrayMetadata(arr, config, getArrayMetadata) {
  9. if (!Array.isArray(arr)) {
  10. console.warn("Input is not an array.");
  11. return;
  12. }
  14. if (!config || typeof config !== 'object') {
  15. console.warn("Configuration is not a valid object.");
  16. return;
  17. }
  19. for (let i = 0; i < arr.length; i++) {
  20. const item = arr[i];
  22. //Check if the item is an array
  23. if (Array.isArray(item)) {
  24. const metadata = config[item.length === 0 ? 'default' : item.length]; // Get metadata for the array length. Added default case for empty array.
  26. if (metadata) {
  27. // Attach metadata to the array
  28. Object.assign(item, metadata);
  29. }
  30. }
  31. }
  32. }
  34. // Example Usage (assuming you have a config file loaded)
  35. // const config = {
  36. // 0: { description: "First element", type: "string" },
  37. // 1: { description: "Second element", type: "number" },
  38. // 2: { description: "Third element", type: "boolean" },
  39. // default: {description: "Default element", type: "any"}
  40. // };
  42. // const myArray = [1, "hello", true];
  43. // attachArrayMetadata(myArray, config);
  45. // const myOtherArray = [];
  46. // attachArrayMetadata(myOtherArray, config);

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