mime types by font awesome

fafmime.js

import { findKey } from 'lodash';
const ICONS = {
  'fa-font'       : /font/,
  'fa-file-image' : /image/,
  'fa-file-audio' : /audio|application\/ogg/,
  'fa-file-video' : /video/,
  'fa-file-pdf'   : /pdf/,
  'fa-file-excel' : /excel|sheet/,
  'fa-file-csv'   : /csv/,
  'fa-file-word'  : /msword|opendocument/,
  'fa-file-powerpoint': /presentation|powerpoint/,
  'fa-file-code' : /application/,
  'fa-file-alt'  : /text\/plain/,
  'fa-file-archive' : /zip|gzip/
};

function getFileIcon(type) {  
  let icon = findKey(ICONS,(i) => i.test(type));
  if(!icon) return 'fa-file';
  return icon;
}