diff --git a/package-lock.json b/package-lock.json
index 3dd62dd..b93db3e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,6 +38,7 @@
         "@ivanv/vue-collapse-transition": "^1.0.2",
         "@rushstack/eslint-patch": "^1.7.2",
         "@types/lz-string": "^1.5.0",
+        "@types/node": "^22.7.6",
         "@typescript-eslint/parser": "^7.2.0",
         "@vue/eslint-config-prettier": "^9.0.0",
         "@vue/eslint-config-typescript": "^13.0.0",
@@ -2060,6 +2061,15 @@
         "lz-string": "*"
       }
     },
+    "node_modules/@types/node": {
+      "version": "22.7.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.7.6.tgz",
+      "integrity": "sha512-/d7Rnj0/ExXDMcioS78/kf1lMzYk4BZV8MZGTBKzTGZ6/406ukkbYlIsZmMPhcR5KlkunDHQLrtAVmSq7r+mSw==",
+      "devOptional": true,
+      "dependencies": {
+        "undici-types": "~6.19.2"
+      }
+    },
     "node_modules/@types/offscreencanvas": {
       "version": "2019.7.3",
       "resolved": "https://registry.npmjs.org/@types/offscreencanvas/-/offscreencanvas-2019.7.3.tgz",
@@ -6860,6 +6870,12 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/undici-types": {
+      "version": "6.19.8",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
+      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
+      "devOptional": true
+    },
     "node_modules/unicode-canonical-property-names-ecmascript": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-2.0.1.tgz",
diff --git a/package.json b/package.json
index 4b82572..5994292 100644
--- a/package.json
+++ b/package.json
@@ -45,6 +45,7 @@
     "@ivanv/vue-collapse-transition": "^1.0.2",
     "@rushstack/eslint-patch": "^1.7.2",
     "@types/lz-string": "^1.5.0",
+    "@types/node": "^22.7.6",
     "@typescript-eslint/parser": "^7.2.0",
     "@vue/eslint-config-prettier": "^9.0.0",
     "@vue/eslint-config-typescript": "^13.0.0",
diff --git a/src/components/fields/FeedbackButton.vue b/src/components/fields/FeedbackButton.vue
index 42dcdaa..2dcaafd 100644
--- a/src/components/fields/FeedbackButton.vue
+++ b/src/components/fields/FeedbackButton.vue
@@ -15,13 +15,13 @@ const emit = defineEmits<{
 }>();
 
 const activated = ref(false);
-const activatedTimeout = ref<NodeJS.Timer | null>(null);
+const activatedTimeout = ref<NodeJS.Timeout | null>(null);
 
 function click() {
     emit("click");
 
     // Give feedback to user
-    if (activatedTimeout.value) {
+    if (activatedTimeout.value != null) {
         clearTimeout(activatedTimeout.value);
     }
     activated.value = false;
diff --git a/src/game/boards/board.tsx b/src/game/boards/board.tsx
index 5b27d02..8a8e955 100644
--- a/src/game/boards/board.tsx
+++ b/src/game/boards/board.tsx
@@ -1,5 +1,3 @@
-import Board from "./Board.vue";
-import Draggable from "./Draggable.vue";
 import { Component, GatherProps, GenericComponent, jsx } from "features/feature";
 import { globalBus } from "game/events";
 import { Persistent, persistent } from "game/persistence";
@@ -11,6 +9,9 @@ import { VueFeature } from "util/vue";
 import type { ComponentPublicInstance, Ref } from "vue";
 import { computed, nextTick, ref, unref, watchEffect } from "vue";
 import panZoom from "vue-panzoom";
+import { JSX } from "vue/jsx-runtime";
+import Board from "./Board.vue";
+import Draggable from "./Draggable.vue";
 
 // Register panzoom so it can be used in Board.vue
 globalBus.on("setupVue", app => panZoom.install(app));
diff --git a/src/game/gameLoop.ts b/src/game/gameLoop.ts
index f43aae7..0b8933d 100644
--- a/src/game/gameLoop.ts
+++ b/src/game/gameLoop.ts
@@ -8,7 +8,7 @@ import { watch } from "vue";
 import player from "./player";
 import state from "./state";
 
-let intervalID: NodeJS.Timer | null = null;
+let intervalID: NodeJS.Timeout | null = null;
 
 function update() {
     const now = Date.now();
diff --git a/src/util/galaxy.ts b/src/util/galaxy.ts
index 6f7c717..b2a4d04 100644
--- a/src/util/galaxy.ts
+++ b/src/util/galaxy.ts
@@ -172,6 +172,7 @@ function syncSaves(
                 const localSave = localStorage.getItem(id) ?? "";
                 const parsedLocalSave = JSON.parse(decodeSave(localSave) ?? "");
                 const slot = availableSlots.values().next().value;
+                if (slot == null) return;
                 galaxy.value
                     ?.save(slot, localSave, parsedLocalSave.name)
                     .then(() => syncedSaves.value.push(parsedLocalSave.id))
diff --git a/src/util/vue.tsx b/src/util/vue.tsx
index e19eb31..d5bd1bb 100644
--- a/src/util/vue.tsx
+++ b/src/util/vue.tsx
@@ -126,17 +126,17 @@ export function setupHoldToClick(
     stop: VoidFunction;
     handleHolding: VoidFunction;
 } {
-    const interval = ref<NodeJS.Timer | null>(null);
+    const interval = ref<NodeJS.Timeout | null>(null);
     const event = ref<MouseEvent | TouchEvent | undefined>(undefined);
 
     function start(e: MouseEvent | TouchEvent) {
-        if (!interval.value) {
+        if (interval.value == null) {
             interval.value = setInterval(handleHolding, 250);
         }
         event.value = e;
     }
     function stop() {
-        if (interval.value) {
+        if (interval.value != null) {
             clearInterval(interval.value);
             interval.value = null;
         }
@@ -245,11 +245,8 @@ export function trackHover(element: VueFeature): Ref<boolean> {
 }
 
 export function kebabifyObject(object: Record<string, unknown>) {
-    return Object.keys(object).reduce(
-        (acc, curr) => {
-            acc[camelToKebab(curr)] = object[curr];
-            return acc;
-        },
-        {} as Record<string, unknown>
-    );
+    return Object.keys(object).reduce((acc, curr) => {
+        acc[camelToKebab(curr)] = object[curr];
+        return acc;
+    }, {} as Record<string, unknown>);
 }