1. /**
  2. * Maps runtime environment fields for validation checks with defensive checks.
  3. *
  4. * @param {object} env - An object containing runtime environment variables.
  5. * @returns {object} - An object containing validated environment variables.
  6. */
  7. function validateRuntimeEnvironment(env) {
  8. const validatedEnv = {};
  10. // Validate required fields with defensive checks
  11. if (!env.apiKey) {
  12. console.error("API Key is missing.");
  13. //Handle Missing API Key - e.g., throw an error, default value, etc.
  14. validatedEnv.apiKey = ""; // Default value if missing
  15. } else if (typeof env.apiKey !== 'string') {
  16. console.error("API Key must be a string.");
  17. validatedEnv.apiKey = ""; //Default value if invalid type.
  18. } else {
  19. validatedEnv.apiKey = env.apiKey;
  20. }
  23. if (!env.databaseUrl) {
  24. console.error("Database URL is missing.");
  25. validatedEnv.databaseUrl = ""; //Default value
  26. } else if (typeof env.databaseUrl !== 'string') {
  27. console.error("Database URL must be a string.");
  28. validatedEnv.databaseUrl = ""; //Default value
  29. } else {
  30. validatedEnv.databaseUrl = env.databaseUrl;
  31. }
  33. if (!env.appName) {
  34. console.error("App Name is missing.");
  35. validatedEnv.appName = "defaultApp"; // Default value
  36. } else if (typeof env.appName !== 'string') {
  37. console.error("App Name must be a string.");
  38. validatedEnv.appName = "defaultApp";
  39. }
  40. else{
  41. validatedEnv.appName = env.appName;
  42. }
  46. //Validate numeric fields with defensive checks
  47. if (env.port) {
  48. if (typeof env.port !== 'number' || !Number.isInteger(env.port) || env.port < 1 || env.port > 65535) {
  49. console.error("Port must be an integer between 1 and 65535.");
  50. validatedEnv.port = 8080; //Default value
  51. } else {
  52. validatedEnv.port = env.port;
  53. }
  54. } else {
  55. validatedEnv.port = 8080; //Default value
  56. }
  59. //Validate boolean fields
  60. if(env.debug){
  61. if(typeof env.debug !== 'boolean'){
  62. console.error("Debug must be a boolean value.");
  63. validatedEnv.debug = false;
  64. } else {
  65. validatedEnv.debug = env.debug;
  66. }
  67. } else {
  68. validatedEnv.debug = false; //Default value
  69. }
  73. return validatedEnv;
  74. }

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