Function collectFileMetadata

src/evaluatorHelpers.ts:121–152

(vars: Record<string, VarValue>)

 * @returns An object mapping variable names to their file metadata
 */
export function collectFileMetadata(vars: Record<string, VarValue>): FileMetadata {
  const fileMetadata: FileMetadata = {};

  for (const [varName, value] of Object.entries(vars)) {
    if (typeof value === 'string' && value.startsWith('file://')) {
      const filePath = path.resolve(cliState.basePath || '', value.slice('file://'.length));
      const fileExtension = filePath.split('.').pop() || '';

      if (isImageFile(filePath)) {
        fileMetadata[varName] = {
          path: value, // Keep the original file:// notation
          type: 'image',
          format: fileExtension,
        };
      } else if (isVideoFile(filePath)) {
        fileMetadata[varName] = {
          path: value,
          type: 'video',
          format: fileExtension,
        };
      } else if (isAudioFile(filePath)) {
        fileMetadata[varName] = {
          path: value,
          type: 'audio',
          format: fileExtension,
        };
      }
    }
  }

  return fileMetadata;
}

/**
 * Gets MIME type from file extension