1. /**
  2. * Parses user input with verbose logging.
  3. *
  4. * @param {string} userInput The user's input.
  5. * @returns {object|null} The parsed data, or null if parsing fails.
  6. */
  7. function parseUserInput(userInput) {
  8. console.log(`Parsing user input: ${userInput}`); // Log the input
  10. try {
  11. const parsedData = parseData(userInput); // Call the parsing function
  12. console.log(`Successfully parsed data: ${JSON.stringify(parsedData)}`); // Log parsed data
  13. return parsedData;
  14. } catch (error) {
  15. console.error(`Error parsing data: ${error.message}`); // Log the error
  16. return null;
  17. }
  18. }
  20. /**
  21. * Parses the input string based on a defined format.
  22. * This is a placeholder, replace with your actual parsing logic.
  23. *
  24. * @param {string} input The input string to parse.
  25. * @returns {object} The parsed data.
  26. */
  27. function parseData(input) {
  28. // Example parsing logic (replace with your own)
  29. if (input.startsWith("name=")) {
  30. const name = input.substring(5); // Extract the name
  31. return { name: name };
  32. } else if (input.startsWith("age=")) {
  33. const age = parseInt(input.substring(4), 10); // Extract age and parse as integer
  34. return { age: age };
  35. } else {
  36. throw new Error("Invalid input format."); // Throw error if input format is invalid
  37. }
  38. }
  41. // Example usage (for testing purposes)
  42. const userInput1 = "name=John Doe";
  43. const parsedData1 = parseUserInput(userInput1);
  44. console.log("Parsed data 1:", parsedData1);
  46. const userInput2 = "age=30";
  47. const parsedData2 = parseUserInput(userInput2);
  48. console.log("Parsed data 2:", parsedData2);
  50. const userInput3 = "invalid input";
  51. const parsedData3 = parseUserInput(userInput3);
  52. console.log("Parsed data 3:", parsedData3);

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