1. /**
  2. * Attaches metadata to strings for manual execution, handling edge cases.
  3. *
  4. * @param {string} str The input string.
  5. * @param {object} metadata An object containing metadata to attach.
  6. * @returns {string} The string with metadata attached as a comment. Returns the original string if input is invalid.
  7. */
  8. function attachMetadata(str, metadata) {
  9. if (typeof str !== 'string') {
  10. console.warn("Invalid input: Input must be a string. Returning original input.");
  11. return str; // Handle non-string input
  12. }
  14. if (typeof metadata !== 'object' || metadata === null) {
  15. console.warn("Invalid metadata: Metadata must be an object. Returning original string.");
  16. return str; // Handle null/non-object metadata
  17. }
  19. let metadataString = "";
  20. for (const key in metadata) {
  21. if (metadata.hasOwnProperty(key)) {
  22. metadataString += `// Metadata: ${key}=${metadata[key]}\n`;
  23. }
  24. }
  26. return `${str}\n${metadataString}`;
  27. }

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