Function getFileExtension

apps/sim/lib/uploads/utils/file-utils.ts:204–207

(filename: string)

 * Extract file extension from filename
 */
export function getFileExtension(filename: string): string {
  const lastDot = filename.lastIndexOf('.')
  return lastDot !== -1 ? filename.slice(lastDot + 1).toLowerCase() : ''
}

const EXTENSION_TO_MIME: Record<string, string> = {
  // Images