Make eslint happy

.eslintrc.js

@@ -1,7 +1,5 @@
 module.exports = {
-    plugins: [
+    plugins: ["matrix-org"],
-        "matrix-org",
-    ],
     extends: [
         "plugin:matrix-org/javascript",
     ],
@@ -19,5 +17,20 @@ module.exports = {
         "indent": "off",
         "prefer-promise-reject-errors": "off",
         "no-async-promise-executor": "off",
-    }
+    },
-}
+    overrides: [{
+        files: ["src/**/*.{ts,tsx}"],
+        extends: [
+            "plugin:matrix-org/typescript",
+            "plugin:matrix-org/react",
+        ],
+        rules: {
+            // Things we do that break the ideal style
+            "prefer-promise-reject-errors": "off",
+            "quotes": "off",
+
+            // We disable this while we're transitioning
+            "@typescript-eslint/no-explicit-any": "off",
+        },
+    }],
+};

src/preload.ts

@@ -36,26 +36,32 @@ const CHANNELS = [
     "userDownloadOpen",
 ];
 
+interface ISource {
+    id: string;
+    name: string;
+    thumbnailURL: string;
+}
+
 contextBridge.exposeInMainWorld(
     "electron",
     {
-        on(channel: string, listener: (event: IpcRendererEvent, ...args: any[]) => void) {
+        on(channel: string, listener: (event: IpcRendererEvent, ...args: any[]) => void): void {
             if (!CHANNELS.includes(channel)) {
                 console.error(`Unknown IPC channel ${channel} ignored`);
                 return;
             }
             ipcRenderer.on(channel, listener);
         },
-        send(channel: string, ...args: any[]) {
+        send(channel: string, ...args: any[]): void {
             if (!CHANNELS.includes(channel)) {
                 console.error(`Unknown IPC channel ${channel} ignored`);
                 return;
             }
             ipcRenderer.send(channel, ...args);
         },
-        async getDesktopCapturerSources(options: SourcesOptions) {
+        async getDesktopCapturerSources(options: SourcesOptions): Promise<ISource[]> {
             const sources = await desktopCapturer.getSources(options);
-            const desktopCapturerSources = [];
+            const desktopCapturerSources: ISource[] = [];
 
             for (const source of sources) {
                 desktopCapturerSources.push({