@uppy/utils/lib/getFileType.js

Shared utility functions for Uppy Core and plugins maintained by the Uppy team.

import getFileNameAndExtension from './getFileNameAndExtension.js';
import mimeTypes from './mimeTypes.js';
export default function getFileType(file) {
  var _getFileNameAndExtens;
  if (file.type) return file.type;
  const fileExtension = file.name ? (_getFileNameAndExtens = getFileNameAndExtension(file.name).extension) == null ? void 0 : _getFileNameAndExtens.toLowerCase() : null;
  if (fileExtension && fileExtension in mimeTypes) {
    // else, see if we can map extension to a mime type
    return mimeTypes[fileExtension];
  }
  // if all fails, fall back to a generic byte stream type
  return 'application/octet-stream';
}