Function getFileExtensionForAnalytics

src/services/analytics/metadata.ts:323–337

(
  filePath: string,
)

 * @returns The sanitized extension, 'other' for long extensions, or undefined if no extension
 */
export function getFileExtensionForAnalytics(
  filePath: string,
): AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS | undefined {
  const ext = extname(filePath).toLowerCase()
  if (!ext || ext === '.') {
    return undefined
  }

  const extension = ext.slice(1) // remove leading dot
  if (extension.length > MAX_FILE_EXTENSION_LENGTH) {
    return 'other' as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS
  }

  return extension as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS
}

/** Allow list of commands we extract file extensions from. */
const FILE_COMMANDS = new Set([