1. #!/usr/bin/env node
  3. /**
  4. * Converts CLI arguments to predefined formats with hard-coded limits.
  5. */
  7. function convertArgs(args) {
  8. const convertedArgs = {};
  10. // Example 1: Convert a string argument to a number, limiting it to 100
  11. if (args.hasOwnProperty('number')) {
  12. const num = parseInt(args.number, 10);
  13. if (!isNaN(num) && num <= 100) {
  14. convertedArgs.number = num;
  15. } else {
  16. console.warn("Number argument must be a number between 0 and 100.");
  17. }
  18. }
  20. // Example 2: Convert a string argument to a boolean, with a default value
  21. if (args.flag) {
  22. convertedArgs.isValid = true;
  23. } else {
  24. convertedArgs.isValid = false; // Default value
  25. }
  27. // Example 3: Convert a string argument to a specific format
  28. if (args.name) {
  29. convertedArgs.formattedName = args.name.toUpperCase();
  30. }
  32. //Example 4: Convert an array of numbers to a single number (sum)
  33. if(args.numbers){
  34. const sum = args.numbers.reduce((acc, num) => acc + num, 0);
  35. convertedArgs.sum = sum;
  36. }
  38. return convertedArgs;
  39. }
  42. // Main execution
  43. const args = require('yargs').argv; //Using yargs for CLI argument parsing
  44. const converted = convertArgs(args);
  46. console.log(JSON.stringify(converted, null, 2)); //Output the converted arguments in JSON format

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