diff --git a/assets/js/misc.js b/assets/js/misc.ts
similarity index 55%
rename from assets/js/misc.js
rename to assets/js/misc.ts
index 5733e9540..3de3ef868 100644
--- a/assets/js/misc.js
+++ b/assets/js/misc.ts
@@ -3,36 +3,43 @@
  */
 
 import store from './utils/store';
-import { $, $$ } from './utils/dom';
+import { $, $$, hideEl, showEl } from './utils/dom';
+import { assertNotNull, assertType } from './utils/assert';
+import '../types/ujs';
 
 let touchMoved = false;
 
-function formResult({target, detail}) {
-
-  const elements = {
+function formResult({target, detail}: FetchcompleteEvent) {
+  const elements: Record<string, string> = {
     '#description-form': '.image-description',
     '#uploader-form': '.image_uploader'
   };
 
-  function showResult(resultEl, formEl, response) {
+  function showResult(formEl: HTMLFormElement, resultEl: HTMLElement, response: string) {
     resultEl.innerHTML = response;
-    resultEl.classList.remove('hidden');
-    formEl.classList.add('hidden');
-    formEl.querySelector('input[type="submit"],button').disabled = false;
-  }
+    hideEl(formEl);
+    showEl(resultEl);
 
-  for (const element in elements) {
-    if (target.matches(element)) detail.text().then(text => showResult($(elements[element]), target, text));
+    $$<HTMLInputElement | HTMLButtonElement>('input[type="submit"],button', formEl).forEach(button => {
+      button.disabled = false;
+    });
   }
 
-}
+  for (const [ formSelector, resultSelector ] of Object.entries(elements)) {
+    if (target.matches(formSelector)) {
+      const form = assertType(target, HTMLFormElement);
+      const result = assertNotNull($<HTMLElement>(resultSelector));
 
-function revealSpoiler(event) {
+      detail.text().then(text => showResult(form, result, text));
+    }
+  }
+}
 
-  const { target } = event;
+function revealSpoiler(event: MouseEvent | TouchEvent) {
+  const target = assertNotNull(event.target) as HTMLElement;
   const spoiler = target.closest('.spoiler');
-  let imgspoiler = target.closest('.spoiler .imgspoiler, .spoiler-revealed .imgspoiler');
   const showContainer = target.closest('.image-show-container');
+  let imgspoiler = target.closest('.spoiler .imgspoiler, .spoiler-revealed .imgspoiler');
 
   // Prevent reveal if touchend came after touchmove event
   if (touchMoved) {
@@ -42,7 +49,8 @@ function revealSpoiler(event) {
 
   if (spoiler) {
     if (showContainer) {
-      const imageShow = showContainer.querySelector('.image-show');
+      const imageShow = assertNotNull(showContainer.querySelector('.image-show'));
+
       if (!imageShow.classList.contains('hidden') && imageShow.classList.contains('spoiler-pending')) {
         imageShow.classList.remove('spoiler-pending');
         return;
@@ -62,19 +70,22 @@ function revealSpoiler(event) {
   if (imgspoiler) {
     imgspoiler.classList.remove('imgspoiler');
     imgspoiler.classList.add('imgspoiler-revealed');
+
     if (event.type === 'touchend' && !event.defaultPrevented) {
       event.preventDefault();
     }
   }
-
 }
 
-function setupEvents() {
-  const extrameta = $('#extrameta');
+export function setupEvents() {
+  const extrameta = $<HTMLElement>('#extrameta');
+
+  if (extrameta && store.get('hide_uploader')) {
+    hideEl(extrameta);
+  }
 
-  if (store.get('hide_uploader') && extrameta) extrameta.classList.add('hidden');
   if (store.get('hide_score')) {
-    $$('.upvotes,.score,.downvotes').forEach(s => s.classList.add('hidden'));
+    $$<HTMLElement>('.upvotes,.score,.downvotes').forEach(s => hideEl(s));
   }
 
   document.addEventListener('fetchcomplete', formResult);
@@ -82,5 +93,3 @@ function setupEvents() {
   document.addEventListener('touchend', revealSpoiler);
   document.addEventListener('touchmove', () => touchMoved = true);
 }
-
-export { setupEvents };
diff --git a/assets/js/notifications.js b/assets/js/notifications.ts
similarity index 56%
rename from assets/js/notifications.js
rename to assets/js/notifications.ts
index 2447debbf..d76cf533e 100644
--- a/assets/js/notifications.js
+++ b/assets/js/notifications.ts
@@ -5,19 +5,17 @@
 import { fetchJson, handleError } from './utils/requests';
 import { $ } from './utils/dom';
 import { delegate } from './utils/events';
+import { assertNotNull, assertNotUndefined } from './utils/assert';
 import store from './utils/store';
 
 const NOTIFICATION_INTERVAL = 600000,
       NOTIFICATION_EXPIRES = 300000;
 
-function makeRequest(verb) {
-  return fetchJson(verb, '/notifications/unread').then(handleError);
-}
-
 function bindSubscriptionLinks() {
   delegate(document, 'fetchcomplete', {
     '.js-subscription-link': event => {
-      const target = event.target.closest('.js-subscription-target');
+      const target = assertNotNull(event.target.closest('.js-subscription-target'));
+
       event.detail.text().then(text => {
         target.outerHTML = text;
       });
@@ -30,42 +28,42 @@ function getNewNotifications() {
     return;
   }
 
-  makeRequest('GET').then(response => response.json()).then(({ notifications }) => {
-    updateNotificationTicker(notifications);
-    storeNotificationCount(notifications);
+  fetchJson('GET', '/notifications/unread')
+    .then(handleError)
+    .then(response => response.json())
+    .then(({ notifications }) => {
+      updateNotificationTicker(notifications);
+      storeNotificationCount(notifications);
 
-    setTimeout(getNewNotifications, NOTIFICATION_INTERVAL);
-  });
+      setTimeout(getNewNotifications, NOTIFICATION_INTERVAL);
+    });
 }
 
-function updateNotificationTicker(notificationCount) {
-  const ticker = $('.js-notification-ticker');
+function updateNotificationTicker(notificationCount: string | null) {
+  const ticker = assertNotNull($<HTMLSpanElement>('.js-notification-ticker'));
   const parsedNotificationCount = Number(notificationCount);
 
-  ticker.dataset.notificationCount = parsedNotificationCount;
-  ticker.textContent = parsedNotificationCount;
+  ticker.dataset.notificationCount = parsedNotificationCount.toString();
+  ticker.textContent = parsedNotificationCount.toString();
 }
 
-
-function storeNotificationCount(notificationCount) {
+function storeNotificationCount(notificationCount: string) {
   // The current number of notifications are stored along with the time when the data expires
   store.setWithExpireTime('notificationCount', notificationCount, NOTIFICATION_EXPIRES);
 }
 
-
-function setupNotifications() {
+export function setupNotifications() {
   if (!window.booru.userIsSignedIn) return;
 
   // Fetch notifications from the server at a regular interval
   setTimeout(getNewNotifications, NOTIFICATION_INTERVAL);
 
   // Update the current number of notifications based on the latest page load
-  storeNotificationCount($('.js-notification-ticker').dataset.notificationCount);
+  const ticker = assertNotNull($<HTMLSpanElement>('.js-notification-ticker'));
+  storeNotificationCount(assertNotUndefined(ticker.dataset.notificationCount));
 
   // Update ticker when the stored value changes - this will occur in all open tabs
   store.watch('notificationCount', updateNotificationTicker);
 
   bindSubscriptionLinks();
 }
-
-export { setupNotifications };
diff --git a/assets/js/utils/events.ts b/assets/js/utils/events.ts
index 65c2c4960..e92b0109a 100644
--- a/assets/js/utils/events.ts
+++ b/assets/js/utils/events.ts
@@ -1,5 +1,7 @@
 // DOM events
 
+import '../../types/ujs';
+
 export interface PhilomenaAvailableEventsMap {
   dragstart: DragEvent,
   dragover: DragEvent,
@@ -9,7 +11,8 @@ export interface PhilomenaAvailableEventsMap {
   drop: DragEvent,
   click: MouseEvent,
   submit: Event,
-  reset: Event
+  reset: Event,
+  fetchcomplete: FetchcompleteEvent
 }
 
 export interface PhilomenaEventElement {
diff --git a/assets/js/utils/store.ts b/assets/js/utils/store.ts
index c09a09cee..a71d4256b 100644
--- a/assets/js/utils/store.ts
+++ b/assets/js/utils/store.ts
@@ -38,9 +38,9 @@ export default {
   },
 
   // Watch changes to a specified key - returns value on change
-  watch(key: string, callback: (value: unknown) => void) {
+  watch<Value = unknown>(key: string, callback: (value: Value | null) => void) {
     const handler = (event: StorageEvent) => {
-      if (event.key === key) callback(this.get(key));
+      if (event.key === key) callback(this.get<Value>(key));
     };
     window.addEventListener('storage', handler);
     return () => window.removeEventListener('storage', handler);
diff --git a/lib/philomena_web/controllers/api/json/image_controller.ex b/lib/philomena_web/controllers/api/json/image_controller.ex
index a142aeb42..82a0068bb 100644
--- a/lib/philomena_web/controllers/api/json/image_controller.ex
+++ b/lib/philomena_web/controllers/api/json/image_controller.ex
@@ -41,6 +41,8 @@ defmodule PhilomenaWeb.Api.Json.ImageController do
 
     case Images.create_image(attributes, image_params) do
       {:ok, %{image: image}} ->
+        image = Repo.preload(image, tags: :aliases)
+
         PhilomenaWeb.Endpoint.broadcast!(
           "firehose",
           "image:create",