Apply lint rule @typescript-eslint/no-empty-object-type (#29159)

* Apply lint rule @typescript-eslint/no-empty-object-type

To avoid the footgun that is https://www.totaltypescript.com/the-empty-object-type-in-typescript

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Iterate

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/vector/app.tsx

@@ -17,6 +17,7 @@ import { logger } from "matrix-js-sdk/src/logger";
 import { createClient, AutoDiscovery, ClientConfig } from "matrix-js-sdk/src/matrix";
 import { WrapperLifecycle, WrapperOpts } from "@matrix-org/react-sdk-module-api/lib/lifecycles/WrapperLifecycle";
 
+import type { QueryDict } from "matrix-js-sdk/src/utils";
 import PlatformPeg from "../PlatformPeg";
 import AutoDiscoveryUtils from "../utils/AutoDiscoveryUtils";
 import * as Lifecycle from "../Lifecycle";
@@ -54,7 +55,7 @@ function onTokenLoginCompleted(): void {
     window.history.replaceState(null, "", url.href);
 }
 
-export async function loadApp(fragParams: {}, matrixChatRef: React.Ref<MatrixChat>): Promise<ReactElement> {
+export async function loadApp(fragParams: QueryDict, matrixChatRef: React.Ref<MatrixChat>): Promise<ReactElement> {
     initRouting();
     const platform = PlatformPeg.get();
 

src/vector/init.tsx

@@ -12,6 +12,7 @@ import { createRoot } from "react-dom/client";
 import React, { StrictMode } from "react";
 import { logger } from "matrix-js-sdk/src/logger";
 
+import type { QueryDict } from "matrix-js-sdk/src/utils";
 import * as languageHandler from "../languageHandler";
 import SettingsStore from "../settings/SettingsStore";
 import PlatformPeg from "../PlatformPeg";
@@ -83,7 +84,7 @@ export async function loadTheme(): Promise<void> {
     return setTheme();
 }
 
-export async function loadApp(fragParams: {}): Promise<void> {
+export async function loadApp(fragParams: QueryDict): Promise<void> {
     // load app.js async so that its code is not executed immediately and we can catch any exceptions
     const module = await import(
         /* webpackChunkName: "element-web-app" */

src/vector/platform/IPCManager.ts

@@ -40,7 +40,7 @@ export class IPCManager {
         return deferred.promise;
     }
 
-    private onIpcReply = (_ev: {}, payload: IPCPayload): void => {
+    private onIpcReply = (_ev: Event, payload: IPCPayload): void => {
         if (payload.id === undefined) {
             logger.warn("Ignoring IPC reply with no ID");
             return;