diff --git a/front/src/index.ts b/front/src/index.ts
index b40f514..07d56bf 100644
--- a/front/src/index.ts
+++ b/front/src/index.ts
@@ -7,22 +7,8 @@ const request = (resource: string, data: any) =>
     credentials: "include",
   }).then((res) => res.json());
 
-const openLocker = (lat: string, lon: string, openCode: string, id: string) => {
-  (document.querySelector(".areyousure-box") as HTMLElement).style.display =
-    "block";
-  document
-    .querySelector(".areyousure-button")!
-    .addEventListener("click", () => openLockerConfirm(lat, lon, openCode, id));
-};
-
-const openLockerConfirm = (
-  lat: string,
-  lon: string,
-  openCode: string,
-  id: string
-) => {
-  (document.querySelector(".areyousure-box") as HTMLElement).style.display =
-    "none";
+const openLockerConfirm = (lat: string, lon: string, openCode: string, id: string) => {
+  (document.querySelector(".areyousure-box") as HTMLElement).style.display = "none";
   request("collect", {
     lat,
     lon,
@@ -30,9 +16,7 @@ const openLockerConfirm = (
     id,
   }).then((res) => {
     if (res.status != 200) {
-      const errorBoxText = <HTMLElement>(
-        document.querySelector(".error-box-text")!
-      );
+      const errorBoxText = <HTMLElement>document.querySelector(".error-box-text")!;
       const errorBoxWindow = <HTMLElement>document.querySelector(".error-box")!;
       errorBoxWindow.style.display = "block";
       if (res.description != null) {
@@ -44,9 +28,16 @@ const openLockerConfirm = (
   });
 };
 
+const openLocker = (lat: string, lon: string, openCode: string, id: string) => {
+  (document.querySelector(".areyousure-box") as HTMLElement).style.display = "block";
+  document
+    .querySelector(".areyousure-button")!
+    .addEventListener("click", () => openLockerConfirm(lat, lon, openCode, id));
+};
+
 window.addEventListener("load", () => {
   const login = document.querySelector(".login-form")!;
-  login.addEventListener("submit", function (event) {
+  login.addEventListener("submit", (event) => {
     event.preventDefault();
     const form = event.target as HTMLFormElement;
     request("login", {
@@ -56,7 +47,7 @@ window.addEventListener("load", () => {
   });
 
   const register = document.querySelector(".register-form")!;
-  register.addEventListener("submit", function (event) {
+  register.addEventListener("submit", (event) => {
     event.preventDefault();
     const form = event.target as HTMLFormElement;
     request("register", {
@@ -68,32 +59,30 @@ window.addEventListener("load", () => {
   });
 
   const sms = document.querySelector(".sms-form")!;
-  sms.addEventListener("submit", function (event) {
+  sms.addEventListener("submit", (event) => {
     event.preventDefault();
     const form = event.target as HTMLFormElement;
     request("smscode", {
       code: form.code.value,
-      phone: phone,
+      phone,
     });
   });
 
   const errorBoxWindow = <HTMLElement>document.querySelector(".error-box")!;
-  const errorBoxButton = <HTMLElement>(
-    document.querySelector(".error-box-button")!
-  );
-  errorBoxButton.addEventListener("click", (event) => {
+  const errorBoxButton = <HTMLElement>document.querySelector(".error-box-button")!;
+  errorBoxButton.addEventListener("click", () => {
     errorBoxWindow.style.display = "none";
   });
 
   request("packages", {}).then((res) => {
     const table = document.querySelector("tbody")!;
     res.forEach((shipment: Package) => {
-      let row = table.insertRow();
-      let id = row.insertCell(0);
-      let sender = row.insertCell(1);
-      let status = row.insertCell(2);
-      let locker = row.insertCell(3);
-      let openAction = row.insertCell(4);
+      const row = table.insertRow();
+      const id = row.insertCell(0);
+      const sender = row.insertCell(1);
+      const status = row.insertCell(2);
+      const locker = row.insertCell(3);
+      const openAction = row.insertCell(4);
 
       row.dataset.lat = shipment.pickupPoint.location.latitude.toString();
       row.dataset.lon = shipment.pickupPoint.location.longitude.toString();
@@ -103,12 +92,10 @@ window.addEventListener("load", () => {
       id.innerText = shipment.shipmentNumber;
       sender.innerText = shipment.senderName;
       status.innerText = shipment.status;
-      locker.innerText =
-        shipment.pickupPoint.name + " - " + shipment.pickupPoint.description;
+      locker.innerText = `${shipment.pickupPoint.name} - ${shipment.pickupPoint.description}`;
       openAction.innerHTML = "Open";
       openAction.addEventListener("click", (event) => {
-        let data = ((event.target as Element).parentNode as HTMLElement)
-          .dataset;
+        const data = ((event.target as Element).parentNode as HTMLElement).dataset;
         openLocker(data.lat!, data.lon!, data.openCode!, data.id!);
       });