diff --git a/scripts/Actions/Activity.ts b/scripts/Actions/Activity.ts
index a3f06325..93320d6a 100644
--- a/scripts/Actions/Activity.ts
+++ b/scripts/Actions/Activity.ts
@@ -3,4 +3,4 @@ import AnimeNotifier from "scripts/AnimeNotifier"
 // Reload content of current page
 export function reloadContent(arn: AnimeNotifier) {
 	return arn.reloadContent()
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Diff.ts b/scripts/Actions/Diff.ts
index fa6dc820..95cf1976 100644
--- a/scripts/Actions/Diff.ts
+++ b/scripts/Actions/Diff.ts
@@ -30,4 +30,4 @@ export async function diff(arn: AnimeNotifier, element: HTMLElement) {
 	} catch(err) {
 		arn.statusMessage.showError(err)
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Explore.ts b/scripts/Actions/Explore.ts
index 63bffbba..2fc76e2e 100644
--- a/scripts/Actions/Explore.ts
+++ b/scripts/Actions/Explore.ts
@@ -67,4 +67,4 @@ export async function calendarShowAddedAnimeOnly(arn: AnimeNotifier, element: HT
 	} catch(err) {
 		arn.statusMessage.showError(err)
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Forum.ts b/scripts/Actions/Forum.ts
index 153dd92b..c8e22596 100644
--- a/scripts/Actions/Forum.ts
+++ b/scripts/Actions/Forum.ts
@@ -175,4 +175,4 @@ async function setThreadLock(arn: AnimeNotifier, element: HTMLButtonElement, sta
 	} catch(err) {
 		arn.statusMessage.showError(err)
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Group.ts b/scripts/Actions/Group.ts
index 0c07f244..e2585e4e 100644
--- a/scripts/Actions/Group.ts
+++ b/scripts/Actions/Group.ts
@@ -32,4 +32,4 @@ export async function leave(arn: AnimeNotifier, element: HTMLElement) {
 	} catch(err) {
 		arn.statusMessage.showError(err)
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/InfiniteScroller.ts b/scripts/Actions/InfiniteScroller.ts
index 6fde07c9..eb6d4a4f 100644
--- a/scripts/Actions/InfiniteScroller.ts
+++ b/scripts/Actions/InfiniteScroller.ts
@@ -52,4 +52,4 @@ export async function loadMore(arn: AnimeNotifier, button: HTMLButtonElement) {
 		arn.loading(false)
 		button.disabled = false
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Install.ts b/scripts/Actions/Install.ts
index 7699aa2d..6ab15c56 100644
--- a/scripts/Actions/Install.ts
+++ b/scripts/Actions/Install.ts
@@ -1,4 +1,4 @@
 // Desktop app installation
 export function installApp() {
 	alert("Open your browser menu > 'Install Anime Notifier'.")
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Like.ts b/scripts/Actions/Like.ts
index fd063df0..6590d8de 100644
--- a/scripts/Actions/Like.ts
+++ b/scripts/Actions/Like.ts
@@ -24,4 +24,4 @@ export async function unlike(arn: AnimeNotifier, element: HTMLElement) {
 	} catch(err) {
 		arn.statusMessage.showError(err)
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Map.ts b/scripts/Actions/Map.ts
index d4ace5d7..f4658415 100644
--- a/scripts/Actions/Map.ts
+++ b/scripts/Actions/Map.ts
@@ -32,4 +32,4 @@
 // 	let chart = new window["google"].visualization.GeoChart(element)
 // 	console.log(element, data)
 // 	chart.draw(data, options)
-// }
\ No newline at end of file
+// }
diff --git a/scripts/Actions/Notifications.ts b/scripts/Actions/Notifications.ts
index 86b0b9f3..09f932ed 100644
--- a/scripts/Actions/Notifications.ts
+++ b/scripts/Actions/Notifications.ts
@@ -41,4 +41,4 @@ export async function markNotificationsAsSeen(arn: AnimeNotifier) {
 
 	// Update notifications
 	arn.reloadContent()
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Object.ts b/scripts/Actions/Object.ts
index 37e72b46..e3e92f5c 100644
--- a/scripts/Actions/Object.ts
+++ b/scripts/Actions/Object.ts
@@ -52,4 +52,4 @@ export async function deleteObject(arn: AnimeNotifier, button: HTMLButtonElement
 	} catch(err) {
 		arn.statusMessage.showError(err)
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Publish.ts b/scripts/Actions/Publish.ts
index 76e765c6..9b175b23 100644
--- a/scripts/Actions/Publish.ts
+++ b/scripts/Actions/Publish.ts
@@ -22,4 +22,4 @@ export async function unpublish(arn: AnimeNotifier, button: HTMLButtonElement) {
 	} catch(err) {
 		arn.statusMessage.showError(err)
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Serialization.ts b/scripts/Actions/Serialization.ts
index 1f362d8d..41f8cabc 100644
--- a/scripts/Actions/Serialization.ts
+++ b/scripts/Actions/Serialization.ts
@@ -200,4 +200,4 @@ export function addNumber(arn: AnimeNotifier, element: HTMLElement) {
 
 	input.value = newValue.toString()
 	return save(arn, input)
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Shop.ts b/scripts/Actions/Shop.ts
index ccf6b0c1..0c3b9491 100644
--- a/scripts/Actions/Shop.ts
+++ b/scripts/Actions/Shop.ts
@@ -83,4 +83,4 @@ export function buyItem(arn: AnimeNotifier, button: HTMLElement) {
 	.then(() => arn.statusMessage.showInfo(`You bought ${itemName} for ${price} gems. Check out your inventory to confirm the purchase.`, 4000))
 	.catch(err => arn.statusMessage.showError(err))
 	.then(() => arn.loading(false))
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/SideBar.ts b/scripts/Actions/SideBar.ts
index cb25d03a..01f3b700 100644
--- a/scripts/Actions/SideBar.ts
+++ b/scripts/Actions/SideBar.ts
@@ -4,4 +4,4 @@ import AnimeNotifier from "../AnimeNotifier"
 export function toggleSidebar(_: AnimeNotifier) {
 	const sidebar = document.getElementById("sidebar") as HTMLElement
 	sidebar.classList.toggle("sidebar-visible")
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/StatusMessage.ts b/scripts/Actions/StatusMessage.ts
index 735e7ee0..bf03400a 100644
--- a/scripts/Actions/StatusMessage.ts
+++ b/scripts/Actions/StatusMessage.ts
@@ -3,4 +3,4 @@ import AnimeNotifier from "../AnimeNotifier"
 // Close status message
 export function closeStatusMessage(arn: AnimeNotifier) {
 	arn.statusMessage.close()
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Upload.ts b/scripts/Actions/Upload.ts
index a311eeb9..b049a735 100644
--- a/scripts/Actions/Upload.ts
+++ b/scripts/Actions/Upload.ts
@@ -186,4 +186,4 @@ function updateSideBarAvatar(url: string) {
 	} else {
 		location.reload()
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/User.ts b/scripts/Actions/User.ts
index 82257739..d09c9725 100644
--- a/scripts/Actions/User.ts
+++ b/scripts/Actions/User.ts
@@ -39,4 +39,4 @@ export function showMore(_: AnimeNotifier, showMoreElement: HTMLElement) {
 	}
 
 	Diff.mutations.queue(() => showMoreElement.classList.add("show-more"))
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/Video.ts b/scripts/Actions/Video.ts
index f6382d84..d872322e 100644
--- a/scripts/Actions/Video.ts
+++ b/scripts/Actions/Video.ts
@@ -64,4 +64,4 @@ export function toggleFullscreen(_: AnimeNotifier, button: HTMLElement) {
 	} else {
 		requestFullscreen.call(element)
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Actions/index.ts b/scripts/Actions/index.ts
index dd88dde3..b75605c8 100644
--- a/scripts/Actions/index.ts
+++ b/scripts/Actions/index.ts
@@ -20,4 +20,4 @@ export * from "./SideBar"
 export * from "./StatusMessage"
 export * from "./Theme"
 export * from "./Upload"
-export * from "./Video"
\ No newline at end of file
+export * from "./Video"
diff --git a/scripts/Analytics.ts b/scripts/Analytics.ts
index 3ccf92e7..30a2f53b 100644
--- a/scripts/Analytics.ts
+++ b/scripts/Analytics.ts
@@ -38,4 +38,4 @@ export default class Analytics {
 			body: JSON.stringify(analytics)
 		})
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/AnimeNotifier.ts b/scripts/AnimeNotifier.ts
index 6288b512..2cf10a81 100644
--- a/scripts/AnimeNotifier.ts
+++ b/scripts/AnimeNotifier.ts
@@ -310,18 +310,25 @@ export default class AnimeNotifier {
 		// search.setAttribute("list", titleList.id)
 	}
 
-	async onBeforeUnload(e: BeforeUnloadEvent) {
-		let message = ""
+	onBeforeUnload(e: BeforeUnloadEvent) {
+		if(this.app.currentPath !== "/new/thread") {
+			return
+		}
+
+		if(!document.activeElement) {
+			return
+		}
+
+		if(document.activeElement.tagName !== "TEXTAREA") {
+			return
+		}
+
+		if((document.activeElement as HTMLTextAreaElement).value.length < 20) {
+			return
+		}
 
 		// Prevent closing tab on new thread page
-		if(this.app.currentPath === "/new/thread" && document.activeElement && document.activeElement.tagName === "TEXTAREA" && (document.activeElement as HTMLTextAreaElement).value.length > 20) {
-			message = "You have unsaved changes on the current page. Are you sure you want to leave?"
-		}
-
-		if(message) {
-			e.returnValue = message
-			return message
-		}
+		e.returnValue = "You have unsaved changes on the current page. Are you sure you want to leave?"
 	}
 
 	prepareTooltips(elements?: IterableIterator<HTMLElement>) {
@@ -1156,7 +1163,7 @@ export default class AnimeNotifier {
 
 	async diff(url: string) {
 		if(url === this.app.currentPath) {
-			return null
+			return
 		}
 
 		const path = "/_" + url
diff --git a/scripts/AudioPlayer.ts b/scripts/AudioPlayer.ts
index 3ce2cddf..9467735d 100644
--- a/scripts/AudioPlayer.ts
+++ b/scripts/AudioPlayer.ts
@@ -326,4 +326,4 @@ export default class AudioPlayer {
 		this.animeImage.classList.remove("hidden")
 		this.animeImage["became visible"]()
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/DateView.ts b/scripts/DateView.ts
index 845ea42d..2ebe9614 100644
--- a/scripts/DateView.ts
+++ b/scripts/DateView.ts
@@ -146,4 +146,4 @@ export function displayTime(element: HTMLElement) {
 	const startTime = (h <= 9 ? "0" + h : h) + ":" + (m <= 9 ? "0" + m : m)
 
 	element.textContent = startTime
-}
\ No newline at end of file
+}
diff --git a/scripts/Diff.ts b/scripts/Diff.ts
index 44ef8680..63a00995 100644
--- a/scripts/Diff.ts
+++ b/scripts/Diff.ts
@@ -156,4 +156,4 @@ export default class Diff {
 			Diff.childNodes(a, b)
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Elements/svg-icon/svg-icon.ts b/scripts/Elements/svg-icon/svg-icon.ts
index 539ff9e1..2ff1033f 100644
--- a/scripts/Elements/svg-icon/svg-icon.ts
+++ b/scripts/Elements/svg-icon/svg-icon.ts
@@ -65,4 +65,4 @@ export default class SVGIcon extends HTMLElement {
 	set name(value: string) {
 		this.setAttribute("name", value)
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Elements/tool-tip/tool-tip.ts b/scripts/Elements/tool-tip/tool-tip.ts
index cc9ee041..53148b2c 100644
--- a/scripts/Elements/tool-tip/tool-tip.ts
+++ b/scripts/Elements/tool-tip/tool-tip.ts
@@ -63,4 +63,4 @@ export default class ToolTip extends HTMLElement {
 			this.setAttribute("active", "true")
 		})
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/InfiniteScroller.ts b/scripts/InfiniteScroller.ts
index 61c8d21f..672010e1 100644
--- a/scripts/InfiniteScroller.ts
+++ b/scripts/InfiniteScroller.ts
@@ -36,4 +36,4 @@ export default class InfiniteScroller {
 
 		button.click()
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/MutationQueue.ts b/scripts/MutationQueue.ts
index 79cbcccc..7e4992e4 100644
--- a/scripts/MutationQueue.ts
+++ b/scripts/MutationQueue.ts
@@ -65,4 +65,4 @@ export default class MutationQueue {
 
 		this.onClearCallBacks.push(callBack)
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/NotificationManager.ts b/scripts/NotificationManager.ts
index 15ec7173..971fd452 100644
--- a/scripts/NotificationManager.ts
+++ b/scripts/NotificationManager.ts
@@ -46,4 +46,4 @@ export default class NotificationManager {
 			}
 		})
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/PushManager.ts b/scripts/PushManager.ts
index 383ea44d..886bb443 100644
--- a/scripts/PushManager.ts
+++ b/scripts/PushManager.ts
@@ -108,4 +108,4 @@ function urlBase64ToUint8Array(base64String: string) {
 
 	const rawData = window.atob(base64)
 	return Uint8Array.from([...rawData].map(char => char.charCodeAt(0)))
-}
\ No newline at end of file
+}
diff --git a/scripts/ServerEvents.ts b/scripts/ServerEvents.ts
index a04e48f7..c7bf40a7 100644
--- a/scripts/ServerEvents.ts
+++ b/scripts/ServerEvents.ts
@@ -97,4 +97,4 @@ export default class ServerEvents {
 
 		this.arn.notificationManager.setCounter(parseInt(e.data))
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/ServiceWorker/old/old.MyClient.ts b/scripts/ServiceWorker/old/old.MyClient.ts
index 34c599c3..7e39a026 100644
--- a/scripts/ServiceWorker/old/old.MyClient.ts
+++ b/scripts/ServiceWorker/old/old.MyClient.ts
@@ -96,4 +96,4 @@
 // 	return this.postMessage({
 // 		type: "reload styles"
 // 	})
-// }
\ No newline at end of file
+// }
diff --git a/scripts/ServiceWorker/old/old.onRequest.ts b/scripts/ServiceWorker/old/old.onRequest.ts
index 13722476..019a8af4 100644
--- a/scripts/ServiceWorker/old/old.onRequest.ts
+++ b/scripts/ServiceWorker/old/old.onRequest.ts
@@ -66,4 +66,4 @@
 // 	return evt.respondWith(this.networkFirst(request, network, onResponse))
 // }
 
-// return evt.respondWith(this.cacheFirst(request, network, onResponse))
\ No newline at end of file
+// return evt.respondWith(this.cacheFirst(request, network, onResponse))
diff --git a/scripts/ServiceWorkerManager.ts b/scripts/ServiceWorkerManager.ts
index 5d7184a7..1521895e 100644
--- a/scripts/ServiceWorkerManager.ts
+++ b/scripts/ServiceWorkerManager.ts
@@ -101,4 +101,4 @@ export default class ServiceWorkerManager {
 			// 	break
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/SideBar.ts b/scripts/SideBar.ts
index 7fb6df80..cae1db01 100644
--- a/scripts/SideBar.ts
+++ b/scripts/SideBar.ts
@@ -38,4 +38,4 @@ export default class SideBar {
 			this.element.style.display = "flex"
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Types/Anime.d.ts b/scripts/Types/Anime.d.ts
index 1cdf1e71..0699aa92 100644
--- a/scripts/Types/Anime.d.ts
+++ b/scripts/Types/Anime.d.ts
@@ -82,4 +82,4 @@ export interface Anime {
 	createdBy: string;
 	edited: string;
 	editedBy: string;
-}
\ No newline at end of file
+}
diff --git a/scripts/Utils/bytesHumanReadable.ts b/scripts/Utils/bytesHumanReadable.ts
index 554dc495..2e537aa6 100644
--- a/scripts/Utils/bytesHumanReadable.ts
+++ b/scripts/Utils/bytesHumanReadable.ts
@@ -12,4 +12,4 @@ export function bytesHumanReadable(fileSize: number): string {
 	}
 
 	return `${fileSize.toFixed(0)} ${unit}`
-}
\ No newline at end of file
+}
diff --git a/scripts/Utils/delay.ts b/scripts/Utils/delay.ts
index 3098be3e..7e411f7c 100644
--- a/scripts/Utils/delay.ts
+++ b/scripts/Utils/delay.ts
@@ -1,3 +1,3 @@
 export function delay<T>(millis: number, value?: T): Promise<T> {
 	return new Promise(resolve => setTimeout(() => resolve(value), millis))
-}
\ No newline at end of file
+}
diff --git a/scripts/Utils/index.ts b/scripts/Utils/index.ts
index 02a729b0..9184981a 100644
--- a/scripts/Utils/index.ts
+++ b/scripts/Utils/index.ts
@@ -6,4 +6,4 @@ export * from "./plural"
 export * from "./requestIdleCallback"
 export * from "./swapElements"
 export * from "./uploadWithProgress"
-export * from "./bytesHumanReadable"
\ No newline at end of file
+export * from "./bytesHumanReadable"
diff --git a/scripts/Utils/plural.ts b/scripts/Utils/plural.ts
index f52a45f6..59996c1a 100644
--- a/scripts/Utils/plural.ts
+++ b/scripts/Utils/plural.ts
@@ -12,4 +12,4 @@ export function plural(count: number, singular: string): string {
 	}
 
 	return count + " " + singular + "s"
-}
\ No newline at end of file
+}
diff --git a/scripts/Utils/requestIdleCallback.ts b/scripts/Utils/requestIdleCallback.ts
index 5b7ede59..7bddd7e0 100644
--- a/scripts/Utils/requestIdleCallback.ts
+++ b/scripts/Utils/requestIdleCallback.ts
@@ -4,4 +4,4 @@ export function requestIdleCallback(func: Function) {
 	} else {
 		func()
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/Utils/supportsWebP.ts b/scripts/Utils/supportsWebP.ts
index 978536fb..47c22414 100644
--- a/scripts/Utils/supportsWebP.ts
+++ b/scripts/Utils/supportsWebP.ts
@@ -6,4 +6,4 @@ export async function supportsWebP(): Promise<boolean> {
 	const data = "data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAAAAAAfQ//73v/+BiOh/AAA="
 	const blob = await fetch(data).then(r => r.blob())
 	return createImageBitmap(blob).then(() => true, () => false)
-}
\ No newline at end of file
+}
diff --git a/scripts/Utils/swapElements.ts b/scripts/Utils/swapElements.ts
index ccaefe71..eb80ad6f 100644
--- a/scripts/Utils/swapElements.ts
+++ b/scripts/Utils/swapElements.ts
@@ -20,4 +20,4 @@ export function swapElements(a: Node, b: Node) {
 			bParent.appendChild(a)
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/VideoPlayer.ts b/scripts/VideoPlayer.ts
index 8bf644c2..7cc62d21 100644
--- a/scripts/VideoPlayer.ts
+++ b/scripts/VideoPlayer.ts
@@ -14,4 +14,4 @@ export default class VideoPlayer {
 	playPause() {
 
 	}
-}
\ No newline at end of file
+}
diff --git a/scripts/WebComponents.ts b/scripts/WebComponents.ts
index f3b529c6..0bfca7da 100644
--- a/scripts/WebComponents.ts
+++ b/scripts/WebComponents.ts
@@ -17,4 +17,4 @@ export function register() {
 	for(const [tag, definition] of elements.entries()) {
 		window.customElements.define(tag, definition)
 	}
-}
\ No newline at end of file
+}
diff --git a/tsconfig.json b/tsconfig.json
index 81bdf9e3..a7d01470 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -7,7 +7,9 @@
 		"strict": false,
 		"strictFunctionTypes": false,
 		"strictNullChecks": true,
+		"noImplicitReturns": true,
 		"noUnusedLocals": true,
-		"noUnusedParameters": true
+		"noUnusedParameters": true,
+		"forceConsistentCasingInFileNames": true
 	}
-}
\ No newline at end of file
+}
diff --git a/tslint.json b/tslint.json
index a9121ecb..6896fb07 100644
--- a/tslint.json
+++ b/tslint.json
@@ -11,7 +11,8 @@
 		"arrow-parens": false,
 		"trailing-comma": false,
 		"prefer-const": true,
-		"no-var-keyword": true
+		"no-var-keyword": true,
+		"eofline": true
 	},
 	"rulesDirectory": []
 }