1. function decodeConfig(configString) {
  2. const config = {};
  4. if (typeof configString !== 'string') {
  5. throw new Error('Config string must be a string.');
  6. }
  8. const lines = configString.trim().split('\n');
  10. for (const line of lines) {
  11. const trimmedLine = line.trim();
  13. if (trimmedLine === '') {
  14. continue; // Skip empty lines
  15. }
  17. const parts = trimmedLine.split('=');
  19. if (parts.length !== 2) {
  20. throw new Error(`Invalid config line format: ${trimmedLine}. Expected 'key=value'.`);
  21. }
  23. const key = trimmedLine.split('=')[0].trim();
  24. const value = trimmedLine.split('=')[1].trim();
  27. if (!key) {
  28. throw new Error(`Config key cannot be empty in line: ${trimmedLine}`);
  29. }
  31. if (!value) {
  32. throw new Error(`Config value cannot be empty in line: ${trimmedLine}`);
  33. }
  35. // Defensive checks and type conversions
  36. if (value.toLowerCase() === 'true') {
  37. config[key] = true;
  38. } else if (value.toLowerCase() === 'false') {
  39. config[key] = false;
  40. } else if (!isNaN(value)) {
  41. config[key] = Number(value); // Attempt to parse as number
  42. } else {
  43. config[key] = value; // Treat as string
  44. }
  45. }
  47. return config;
  48. }

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