1. /**
  2. * Parses command-line options and stores them in an object.
  3. * This is for development use only.
  4. *
  5. * @param {string[]} args The command-line arguments.
  6. * @returns {object} An object containing the parsed options.
  7. */
  8. function parseCommandLineOptions(args) {
  9. const options = {}; // Initialize an empty object to store options
  11. let i = 0;
  12. while (i < args.length) {
  13. if (args[i] === '-h' || args[i] === '--help') {
  14. printHelp(); // Call help function if -h or --help is found
  15. return options; // Return empty options after printing help
  16. } else if (args[i].startsWith('--')) {
  17. const optionName = args[i].substring(2); // Extract option name
  18. if (args[i + 1] !== undefined) {
  19. const optionValue = args[i + 1]; // Extract option value
  20. options[optionName] = optionValue; // Store option and value
  21. i += 2; // Skip option and value
  22. } else {
  23. options[optionName] = true; // Store option as a boolean if no value is provided
  24. i++; // Skip option
  25. }
  26. } else {
  27. // Non-option arguments are ignored
  28. i++;
  29. }
  30. }
  32. return options; // Return the parsed options object
  33. }
  35. /**
  36. * Prints help information.
  37. */
  38. function printHelp() {
  39. console.log('Usage: script.js [-h|--help] [option1] [option2]');
  40. console.log('Options:');
  41. console.log(' -h, --help Show this help message');
  42. console.log(' option1 Value for option1');
  43. console.log(' option2 Value for option2');
  44. }
  46. // Example usage (for testing)
  47. if (require.main === module) {
  48. const args = process.argv.slice(2); // Get command-line arguments
  49. const parsedOptions = parseCommandLineOptions(args); // Parse options
  51. console.log(parsedOptions); // Output the parsed options object
  52. }

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