Refactor getInstance() methods

src/modules/mkb/mkb-handler.ts

@@ -124,14 +124,8 @@ This class uses some code from Yuzu emulator to handle mouse's movements
 Source: https://github.com/yuzu-emu/yuzu-mainline/blob/master/src/input_common/drivers/mouse.cpp
 */
 export class EmulatedMkbHandler extends MkbHandler {
-    static #instance: EmulatedMkbHandler;
-    public static getInstance(): EmulatedMkbHandler {
-        if (!EmulatedMkbHandler.#instance) {
-            EmulatedMkbHandler.#instance = new EmulatedMkbHandler();
-        }
-
-        return EmulatedMkbHandler.#instance;
-    }
+    private static instance: EmulatedMkbHandler;
+    public static getInstance = () => EmulatedMkbHandler.instance ?? (EmulatedMkbHandler.instance = new EmulatedMkbHandler());
 
     #CURRENT_PRESET_DATA = MkbPreset.convert(MkbPreset.DEFAULT_PRESET);
 

src/modules/mkb/native-mkb-handler.ts

@@ -23,6 +23,8 @@ type XcloudInputSink = {
 
 export class NativeMkbHandler extends MkbHandler {
     private static instance: NativeMkbHandler;
+    public static getInstance = () => NativeMkbHandler.instance ?? (NativeMkbHandler.instance = new NativeMkbHandler());
+
     #pointerClient: PointerClient | undefined;
     #enabled: boolean = false;
 
@@ -37,14 +39,6 @@ export class NativeMkbHandler extends MkbHandler {
 
     #$message?: HTMLElement;
 
-    public static getInstance(): NativeMkbHandler {
-        if (!NativeMkbHandler.instance) {
-            NativeMkbHandler.instance = new NativeMkbHandler();
-        }
-
-        return NativeMkbHandler.instance;
-    }
-
     #onKeyboardEvent(e: KeyboardEvent) {
         if (e.type === 'keyup' && e.code === 'F8') {
             e.preventDefault();

src/modules/mkb/pointer-client.ts

@@ -15,13 +15,7 @@ enum PointerAction {
 
 export class PointerClient {
     private static instance: PointerClient;
-    public static getInstance(): PointerClient {
-        if (!PointerClient.instance) {
-            PointerClient.instance = new PointerClient();
-        }
-
-        return PointerClient.instance;
-    }
+    public static getInstance = () => PointerClient.instance ?? (PointerClient.instance = new PointerClient());
 
     private socket: WebSocket | undefined | null;
     private mkbHandler: MkbHandler | undefined;

src/modules/remote-play-manager.ts

@@ -37,13 +37,7 @@ type RemotePlayConsole = {
 
 export class RemotePlayManager {
     private static instance: RemotePlayManager;
-    public static getInstance(): RemotePlayManager {
-        if (!this.instance) {
-            this.instance = new RemotePlayManager();
-        }
-
-        return this.instance;
-    }
+    public static getInstance = () => RemotePlayManager.instance ?? (RemotePlayManager.instance = new RemotePlayManager());
 
     private isInitialized = false;
 

src/modules/stream/stream-badges.ts

@@ -50,13 +50,7 @@ enum StreamBadge {
 
 export class StreamBadges {
     private static instance: StreamBadges;
-    public static getInstance(): StreamBadges {
-        if (!StreamBadges.instance) {
-            StreamBadges.instance = new StreamBadges();
-        }
-
-        return StreamBadges.instance;
-    }
+    public static getInstance = () => StreamBadges.instance ?? (StreamBadges.instance = new StreamBadges());
 
     private serverInfo: StreamServerInfo = {};
 

src/modules/stream/stream-stats.ts

@@ -9,13 +9,7 @@ import { StreamStat, StreamStatsCollector, type StreamStatGrade } from "@/utils/
 
 export class StreamStats {
     private static instance: StreamStats;
-    public static getInstance(): StreamStats {
-        if (!StreamStats.instance) {
-            StreamStats.instance = new StreamStats();
-        }
-
-        return StreamStats.instance;
-    }
+    public static getInstance = () => StreamStats.instance ?? (StreamStats.instance = new StreamStats());
 
     private intervalId?: number | null;
     private readonly REFRESH_INTERVAL = 1 * 1000;

src/modules/ui/dialog/navigation-dialog.ts

@@ -88,12 +88,7 @@ export abstract class NavigationDialog {
 
 export class NavigationDialogManager {
     private static instance: NavigationDialogManager;
-    public static getInstance(): NavigationDialogManager {
-        if (!NavigationDialogManager.instance) {
-            NavigationDialogManager.instance = new NavigationDialogManager();
-        }
-        return NavigationDialogManager.instance;
-    }
+    public static getInstance = () => NavigationDialogManager.instance ?? (NavigationDialogManager.instance = new NavigationDialogManager());
 
     private static readonly GAMEPAD_POLLING_INTERVAL = 50;
     private static readonly GAMEPAD_KEYS = [

src/modules/ui/dialog/remote-play-dialog.ts

@@ -11,12 +11,7 @@ import { BxEvent } from "@/utils/bx-event";
 
 export class RemotePlayNavigationDialog extends NavigationDialog {
     private static instance: RemotePlayNavigationDialog;
-    public static getInstance(): RemotePlayNavigationDialog {
-        if (!RemotePlayNavigationDialog.instance) {
-            RemotePlayNavigationDialog.instance = new RemotePlayNavigationDialog();
-        }
-        return RemotePlayNavigationDialog.instance;
-    }
+    public static getInstance = () => RemotePlayNavigationDialog.instance ?? (RemotePlayNavigationDialog.instance = new RemotePlayNavigationDialog());
 
     private readonly STATE_LABELS: Record<RemotePlayConsoleState, string> = {
         [RemotePlayConsoleState.ON]: t('powered-on'),

src/modules/ui/dialog/settings-dialog.ts

@@ -64,12 +64,7 @@ type SettingTab = {
 
 export class SettingsNavigationDialog extends NavigationDialog {
     private static instance: SettingsNavigationDialog;
-    public static getInstance(): SettingsNavigationDialog {
-        if (!SettingsNavigationDialog.instance) {
-            SettingsNavigationDialog.instance = new SettingsNavigationDialog();
-        }
-        return SettingsNavigationDialog.instance;
-    }
+    public static getInstance = () => SettingsNavigationDialog.instance ?? (SettingsNavigationDialog.instance = new SettingsNavigationDialog());
 
     $container!: HTMLElement;
     private $tabs!: HTMLElement;

src/modules/ui/fullscreen-text.ts

@@ -2,12 +2,7 @@ import { CE } from "@/utils/html";
 
 export class FullscreenText {
     private static instance: FullscreenText;
-    public static getInstance(): FullscreenText {
-        if (!FullscreenText.instance) {
-            FullscreenText.instance = new FullscreenText();
-        }
-        return FullscreenText.instance;
-    }
+    public static getInstance = () => FullscreenText.instance ?? (FullscreenText.instance = new FullscreenText());
 
     $text: HTMLElement;
 

src/utils/stream-stats-collector.ts

@@ -92,13 +92,7 @@ type CurrentStats = {
 
 export class StreamStatsCollector {
     private static instance: StreamStatsCollector;
-    public static getInstance(): StreamStatsCollector {
-        if (!StreamStatsCollector.instance) {
-            StreamStatsCollector.instance = new StreamStatsCollector();
-        }
-
-        return StreamStatsCollector.instance;
-    }
+    public static getInstance = () => StreamStatsCollector.instance ?? (StreamStatsCollector.instance = new StreamStatsCollector());
 
     // Collect in background - 60 seconds
     static readonly INTERVAL_BACKGROUND = 60 * 1000;

src/utils/xcloud-api.ts

@@ -3,13 +3,7 @@ import { STATES } from "./global";
 
 export class XcloudApi {
     private static instance: XcloudApi;
-    public static getInstance(): XcloudApi {
-        if (!XcloudApi.instance) {
-            XcloudApi.instance = new XcloudApi();
-        }
-
-        return XcloudApi.instance;
-    }
+    public static getInstance = () => XcloudApi.instance ?? (XcloudApi.instance = new XcloudApi());
 
     private CACHE_TITLES: {[key: string]: XcloudTitleInfo} = {};
     private CACHE_WAIT_TIME: {[key: string]: XcloudWaitTimeInfo} = {};