From c37616de722bc2bc51aa93510abce396b77449f7 Mon Sep 17 00:00:00 2001
From: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>
Date: Sat, 28 Oct 2023 07:56:24 +0900
Subject: fix(frontend): Intlが対応していない言語の場合はフォールバックする
 (#12163)
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* (fix) Intlが対応していない言語の場合はフォールバックする

* Update Changelog
---
 packages/frontend/src/scripts/intl-const.ts | 47 +++++++++++++++++++++++------
 1 file changed, 38 insertions(+), 9 deletions(-)

(limited to 'packages/frontend/src/scripts')

diff --git a/packages/frontend/src/scripts/intl-const.ts b/packages/frontend/src/scripts/intl-const.ts
index 8012a677ef..ea16c9c2ae 100644
--- a/packages/frontend/src/scripts/intl-const.ts
+++ b/packages/frontend/src/scripts/intl-const.ts
@@ -6,12 +6,41 @@
 import { lang } from '@/config.js';
 
 export const versatileLang = (lang ?? 'ja-JP').replace('ja-KS', 'ja-JP');
-export const dateTimeFormat = new Intl.DateTimeFormat(versatileLang, {
-	year: 'numeric',
-	month: 'numeric',
-	day: 'numeric',
-	hour: 'numeric',
-	minute: 'numeric',
-	second: 'numeric',
-});
-export const numberFormat = new Intl.NumberFormat(versatileLang);
+
+let _dateTimeFormat: Intl.DateTimeFormat;
+try {
+	_dateTimeFormat = new Intl.DateTimeFormat(versatileLang, {
+		year: 'numeric',
+		month: 'numeric',
+		day: 'numeric',
+		hour: 'numeric',
+		minute: 'numeric',
+		second: 'numeric',
+	});
+} catch (err) {
+	console.warn(err);
+	if (_DEV_) console.log('[Intl] Fallback to en-US');
+
+	// Fallback to en-US
+	_dateTimeFormat = new Intl.DateTimeFormat('en-US', {
+		year: 'numeric',
+		month: 'numeric',
+		day: 'numeric',
+		hour: 'numeric',
+		minute: 'numeric',
+		second: 'numeric',
+	});
+}
+export const dateTimeFormat = _dateTimeFormat;
+
+let _numberFormat: Intl.NumberFormat;
+try {
+	_numberFormat = new Intl.NumberFormat(versatileLang);
+} catch (err) {
+	console.warn(err);
+	if (_DEV_) console.log('[Intl] Fallback to en-US');
+
+	// Fallback to en-US
+	_numberFormat = new Intl.NumberFormat('en-US');
+}
+export const numberFormat = _numberFormat;
-- 
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