enhance: getHighEntropyValuesが使用できなかった場合のフォールバックを追加

packages/frontend/src/utility/get-user-environment.ts

@@ -2,6 +2,11 @@
  * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
+import type * as Bowser_TR from 'bowser';
+
+type Bowser_TypeReferenceOnly = typeof Bowser_TR;
+
+let Bowser: Bowser_TypeReferenceOnly | null = null;
 
 export type UserEnvironment = {
 	os: string;
@@ -13,6 +18,7 @@ export type UserEnvironment = {
 
 export async function getUserEnvironment(): Promise<UserEnvironment> {
 	if ('userAgentData' in navigator && navigator.userAgentData != null) {
+		try {
 			const uaData: any = await navigator.userAgentData.getHighEntropyValues([
 				'fullVersionList',
 				'platformVersion',
@@ -40,8 +46,18 @@ export async function getUserEnvironment(): Promise<UserEnvironment> {
 				screenHeight: window.innerHeight,
 				viaGetHighEntropyValues: true,
 			};
+		} catch {
+			return getViaUa();
+		}
 	} else {
-		const Bowser = (await import('bowser')).default;
+		return getViaUa();
+	}
+}
+
+async function getViaUa(): Promise<UserEnvironment> {
+	if (Bowser == null) {
+		Bowser = (await import('bowser')).default;
+	}
 	const parsed = Bowser.parse(navigator.userAgent);
 	return {
 		os: `${parsed.os.name ?? 'Unknown'} ${parsed.os.version ?? ''} ${parsed.os.versionName ? `(${parsed.os.versionName})` : ''}`.trim(),
@@ -51,4 +67,3 @@ export async function getUserEnvironment(): Promise<UserEnvironment> {
 		viaGetHighEntropyValues: false,
 	};
 }
-}