1. /**
  2. * Verifies the integrity of CLI arguments for backward compatibility with optional flags.
  3. *
  4. * @param {string[]} args The array of command-line arguments.
  5. * @param {object} expectedFlags An object specifying expected optional flags and their values (or null if not present).
  6. * @returns {boolean} True if arguments are valid, false otherwise.
  7. */
  8. function verifyCLIArgs(args, expectedFlags) {
  9. // Create a map to store the parsed arguments.
  10. const parsedArgs = {};
  12. // Iterate over the arguments.
  13. for (let i = 0; i < args.length; i++) {
  14. const arg = args[i];
  16. // Check for flags.
  17. if (arg.startsWith('--')) {
  18. const flag = arg.substring(2); // Remove the '--' prefix.
  20. if (expectedFlags && expectedFlags.hasOwnProperty(flag)) {
  21. parsedArgs[flag] = arg.substring(arg.indexOf('=') + 1) || true; // Parse flag value, default to true if no value.
  22. } else if (!expectedFlags && !arg.startsWith('--')) {
  23. //Unexpected argument.
  24. return false;
  25. }
  26. } else {
  27. // Assume positional arguments.
  28. parsedArgs[i] = arg;
  29. }
  30. }
  32. // Verify that all expected flags are present and have valid values.
  33. for (const flag in expectedFlags) {
  34. if (expectedFlags.hasOwnProperty(flag)) {
  35. if (!parsedArgs.hasOwnProperty(flag)) {
  36. return false; // Flag is missing.
  37. }
  38. }
  39. }
  41. return true; // All arguments are valid.
  42. }

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