chore: lint issues

src/common/Messaging.ts

@@ -171,7 +171,7 @@ class _Messaging {
 
 	init() {
 		if (Shared.pageType === 'content') {
-			this.toExtension({ action: 'connect-content-script' });
+			void this.toExtension({ action: 'connect-content-script' });
 		}
 	}
 
@@ -187,16 +187,17 @@ class _Messaging {
 
 	async connectContentScript(message: ConnectContentScriptMessage, tabId: number | null) {
 		if (tabId !== null) {
-			void Shared.events.dispatch('CONTENT_SCRIPT_CONNECT', null, { tabId });
+			await Shared.events.dispatch('CONTENT_SCRIPT_CONNECT', null, { tabId });
 		}
 	}
 
-	private onTabRemoved = async (tabId: number) => {
-		const values = await SessionStorage.get('injectedContentScriptTabs');
-		const injectedContentScriptTabs = new Set(values.injectedContentScriptTabs ?? []);
-		if (injectedContentScriptTabs.has(tabId)) {
-			void Shared.events.dispatch('CONTENT_SCRIPT_DISCONNECT', null, { tabId });
-		}
+	private onTabRemoved = (tabId: number) => {
+		void SessionStorage.get('injectedContentScriptTabs').then((values) => {
+			const injectedContentScriptTabs = new Set(values.injectedContentScriptTabs ?? []);
+			if (injectedContentScriptTabs.has(tabId)) {
+				void Shared.events.dispatch('CONTENT_SCRIPT_DISCONNECT', null, { tabId });
+			}
+		});
 	};
 
 	private onMessage = <T extends MessageRequest>(

src/common/ScriptInjector.ts

@@ -201,15 +201,15 @@ class _ScriptInjector {
 			const id = `${serviceId}-${key}`;
 
 			if (Shared.manifestVersion === 3 && tabId !== null) {
-				browser.scripting
+				void browser.scripting
 					.executeScript({
 						target: { tabId },
 						func: Shared.functionsToInject[id],
 						args: [params],
 					})
 					.then((results) => {
-						const value = results[0].result;
-						resolve(value as T | null);
+						const value = results[0].result as T | null;
+						resolve(value);
 					});
 				return;
 			}
@@ -226,15 +226,15 @@ class _ScriptInjector {
 						func: Shared.functionsToInject[id],
 						args: [params],
 					});
-					value = results[0].result;
+					value = results[0].result as T | null;
 				} else {
-					value = await Messaging.toContent(
+					value = (await Messaging.toContent(
 						{ action: 'inject-function', serviceId, key, url, params },
 						tabId
-					);
+					)) as T | null;
 				}
 				void browser.tabs.remove(tabId);
-				resolve(value as T | null);
+				resolve(value);
 
 				Shared.events.unsubscribe('CONTENT_SCRIPT_CONNECT', null, onScriptConnect);
 			};

src/common/SessionStorage.ts

@@ -1,13 +1,16 @@
-import browser from 'webextension-polyfill';
+import browser, { Storage as WebExtStorage } from 'webextension-polyfill';
 import { Shared } from '@common/Shared';
 
 export interface SessionStorageValues {
 	injectedContentScriptTabs?: number[];
 }
 
 class _SessionStorage {
-	// @ts-expect-error `session` is a newer key, so it's missing from the types.
-	instance = Shared.manifestVersion === 3 ? browser.storage.session : browser.storage.local;
+	instance =
+		Shared.manifestVersion === 3
+			? // @ts-expect-error `session` is a newer key, so it's missing from the types.
+			  (browser.storage.session as WebExtStorage.LocalStorageArea)
+			: browser.storage.local;
 
 	async set(values: SessionStorageValues): Promise<void> {
 		return this.instance.set(values);