diff --git a/src/lib/components/actions.svelte b/src/lib/components/actions.svelte
index bb758118..d1564b1f 100644
--- a/src/lib/components/actions.svelte
+++ b/src/lib/components/actions.svelte
@@ -62,8 +62,8 @@
 		};
 	};
 
-	const isClipboardAvailable = () => {
-		return Object.prototype.hasOwnProperty.call(window, 'ClipboardItem');
+	const isClipboardAvailable = (): boolean => {
+		return Object.prototype.hasOwnProperty.call(window, 'ClipboardItem') as boolean;
 	};
 
 	const clipboardCopy: Exporter = (context, image) => {
@@ -102,7 +102,7 @@
 		);
 	};
 
-	const onCopyMarkdown = (event) => {
+	const onCopyMarkdown = (event: Event) => {
 		event.target.select();
 		document.execCommand('Copy');
 	};
@@ -113,7 +113,7 @@
 	let imagemodeselected = 'auto';
 	let userimagesize = 1080;
 
-	base64State.subscribe((b64Code) => {
+	base64State.subscribe((b64Code: string) => {
 		iUrl = `https://mermaid.ink/img/${b64Code}`;
 		svgUrl = `https://mermaid.ink/svg/${b64Code}`;
 		mdCode = `[![](${iUrl})](${window.location.protocol}//${window.location.host}${window.location.pathname}/edit#${b64Code})`;
diff --git a/src/lib/components/editor/editor.svelte b/src/lib/components/editor/editor.svelte
index 15a6ac0a..fba5e70c 100644
--- a/src/lib/components/editor/editor.svelte
+++ b/src/lib/components/editor/editor.svelte
@@ -42,7 +42,7 @@
 		initEditor(Monaco);
 
 		editor = Monaco.editor.create(divEl, editorOptions);
-		editor.onDidChangeModelContent(async () => {
+		editor.onDidChangeModelContent(() => {
 			text = editor.getValue();
 			dispatch('update', {
 				text
diff --git a/src/lib/components/view.svelte b/src/lib/components/view.svelte
index 20f349e1..326a6fb8 100644
--- a/src/lib/components/view.svelte
+++ b/src/lib/components/view.svelte
@@ -11,7 +11,7 @@
 	let error = false;
 	let outOfSync = false;
 	let manualUpdate = true;
-	onMount(async () => {
+	onMount(() => {
 		codeStore.subscribe((state) => {
 			try {
 				if (container && state && (state.updateDiagram || state.autoSync)) {
diff --git a/src/lib/util/stats.ts b/src/lib/util/stats.ts
index 4eafc781..0a8ae69e 100644
--- a/src/lib/util/stats.ts
+++ b/src/lib/util/stats.ts
@@ -1,15 +1,19 @@
 import { browser } from '$app/env';
+import type { AnalyticsInstance } from 'analytics';
 
-export let analytics;
+export let analytics: AnalyticsInstance;
 
 export const initAnalytics = async (): Promise<void> => {
 	if (browser && !analytics) {
 		try {
 			const { Analytics } = await import('analytics');
+			// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
 			const googleAnalytics = await import('@analytics/google-analytics');
 			analytics = Analytics({
 				app: 'mermaid-live-editor',
+				// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
 				plugins: [
+					// eslint-disable-next-line @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-member-access
 					googleAnalytics.init({
 						trackingId: 'UA-153180559-1'
 					})
@@ -37,7 +41,7 @@ export const saveStatistcs = (graph: string): void => {
 		timeout = setTimeout(function () {
 			const graphType = detectType(graph);
 			console.debug('ga:', 'send', 'event', 'render', graphType);
-			analytics.track('render', {
+			void analytics.track('render', {
 				graphType
 			});
 		}, 5000);
diff --git a/src/routes/edit.svelte b/src/routes/edit.svelte
index 17be8061..8f065c10 100644
--- a/src/routes/edit.svelte
+++ b/src/routes/edit.svelte
@@ -56,7 +56,7 @@
 		}
 	];
 
-	const handleCodeUpdate = async (code: string): Promise<void> => {
+	const handleCodeUpdate = (code: string): void => {
 		mermaid.parse(code);
 		updateCode(code, false);
 	};
@@ -66,10 +66,10 @@
 		updateConfig(config, false);
 	};
 
-	const updateHandler = async (message: CustomEvent<EditorUpdateEvent>) => {
+	const updateHandler = (message: CustomEvent<EditorUpdateEvent>) => {
 		try {
 			if (selectedMode === 'code') {
-				await handleCodeUpdate(message.detail.text);
+				handleCodeUpdate(message.detail.text);
 			} else {
 				handleConfigUpdate(message.detail.text);
 			}
@@ -96,18 +96,18 @@
 		}
 	};
 
-	const viewDiagram = async () => {
+	const viewDiagram = () => {
 		window.open(`${base}/view#${$base64State}`, '_blank').focus();
 	};
 
-	onMount(() => {
-		initHandler();
+	onMount(async () => {
+		await initHandler();
 		const resizer = document.getElementById('resizeHandler');
 		const element = document.getElementById('editorPane');
 		const resize = (e) => {
 			const newWidth = e.pageX - element.getBoundingClientRect().left;
 			if (newWidth > 50) {
-				element.style.width = newWidth + 'px';
+				element.style.width = `${newWidth}px`;
 			}
 		};
 
diff --git a/tsconfig.json b/tsconfig.json
index 89ac8bd0..975f193c 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -26,5 +26,13 @@
 			"$lib/*": ["src/lib/*"]
 		}
 	},
-	"include": ["src/**/*.d.ts", "src/**/*.js", "src/**/*.ts", "src/**/*.svelte"]
+	"include": [
+		"src/**/*.d.ts",
+		"src/**/*.js",
+		"src/**/*.ts",
+		"src/**/*.svelte",
+		"cypress/**/*.ts",
+		"cypress/**/*.js",
+		"static/**/*.js"
+	]
 }