Arrow functions and so

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

src/utils/static.ts

@@ -8,6 +8,6 @@ import { join } from 'path-browserify';
 import * as BuildConfig from 'soapbox/build-config';
 
 /** Gets the path to a file with build configuration being considered. */
-export const joinPublicPath = (...paths: string[]): string => {
-  return join(BuildConfig.FE_SUBDIRECTORY, ...paths);
-};
+const joinPublicPath = (...paths: string[]): string => join(BuildConfig.FE_SUBDIRECTORY, ...paths);
+
+export { joinPublicPath };