server/utils/generateFileSystemSafeName: add types to params

Author: clairep94

server/utils/generateFileSystemSafeName.ts

@@ -5,7 +5,7 @@
  * @param {String} string
  * @param {String} replacer (optional) character to replace invalid characters
  */
-function generateFileSystemSafeName(string, replacer) {
+function generateFileSystemSafeName(string: string, replacer: string) {
   // from here  https://serverfault.com/a/242134
   const INVALID_CHARS_REGEX = /[*/?:\\<>|"\u0000-\u001F]/g; // eslint-disable-line
   const slug = string.replace(INVALID_CHARS_REGEX, replacer || '');