started to convert to typescript

back/utils/array.ts

@@ -1,4 +1,4 @@
-function removeDuplicates(array) {
+export function removeDuplicates(array: []) {
     let unique = [];
     for (let i = 0; i < array.length; i++) {
         if (!unique.includes(array[i])) {
@@ -7,7 +7,3 @@ function removeDuplicates(array) {
     }
     return unique;
 }
-
-module.exports = {
-    removeDuplicates,
-};

back/utils/statusCodes.ts

@@ -1,5 +1,4 @@
 // from https://github.com/prettymuchbryce/http-status-codes/blob/master/src/utils.ts
-
 const statusCodes  = {
     "CONTINUE": 100, 
     "SWITCHING_PROTOCOLS": 101, 
@@ -59,6 +58,4 @@ const statusCodes  = {
     "NETWORK_AUTHENTICATION_REQUIRED": 511,
 }
 
-module.exports = {
-    statusCodes: statusCodes
-};
+export default statusCodes;