enhance(sw): オフライン表示のデザインを改善 (#13052)

* enhance(sw): オフライン表示のデザインを改善 * Update Changelog * fix * fix * fix * 言語が取得できなかった場合のフォールバックを追加 * (change) translation key
2024-12-01 00:08:14 +09:00 · 2024-01-21 11:50:05 +09:00 · 2024-01-21 11:50:05 +09:00 · 4de77784c9
commit 4de77784c9
parent a17251d913
4 changed files with 30 additions and 4 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -58,6 +58,9 @@
 - Fix: ipv4とipv6の両方が利用可能な環境でallowedPrivateNetworksが設定されていた場合プライベートipの検証ができていなかった問題を修正
 - Fix: properly handle cc followers

+### Service Worker
+- Enhance: オフライン表示のデザインを改善・多言語対応
+
 ## 2023.12.2

 ### General
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@ -9554,6 +9554,16 @@ export interface Locale extends ILocale {
         */
        "lookingForPlayer": string;
    };
+    "_offlineScreen": {
+        /**
+         * オフライン - サーバーに接続できません
+         */
+        "title": string;
+        /**
+         * サーバーに接続できません
+         */
+        "header": string;
+    };
 }
 declare const locales: {
    [lang: string]: Locale;
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@ -2544,3 +2544,7 @@ _reversi:
  timeLimitForEachTurn: "1ターンの時間制限"
  freeMatch: "フリーマッチ"
  lookingForPlayer: "対戦相手を探しています"
+
+_offlineScreen:
+  title: "オフライン - サーバーに接続できません"
+  header: "サーバーに接続できません"
--- a/packages/sw/src/sw.ts
+++ b/packages/sw/src/sw.ts
@ -6,6 +6,7 @@
 import { get } from 'idb-keyval';
 import * as Misskey from 'misskey-js';
 import type { PushNotificationDataMap } from '@/types.js';
+import type { I18n, Locale } from '@/scripts/i18n.js';
 import { createEmptyNotification, createNotification } from '@/scripts/create-notification.js';
 import { swLang } from '@/scripts/lang.js';
 import * as swos from '@/scripts/operations.js';
@ -26,8 +27,15 @@ globalThis.addEventListener('activate', ev => {
 	);
 });

-function offlineContentHTML(): string {
-	return `<!doctype html>Offline. Service Worker @${_VERSION_} <button onclick="location.reload()">reload</button>`;
+async function offlineContentHTML() {
+	const i18n = await (swLang.i18n ?? swLang.fetchLocale()) as Partial<I18n<Locale>>;
+	const messages = {
+		title: i18n.ts?._offlineScreen?.title ?? 'Offline - Could not connect to server',
+		header: i18n.ts?._offlineScreen?.header ?? 'Could not connect to server',
+		reload: i18n.ts?.reload ?? 'Reload',
+	};
+
+	return `<!DOCTYPE html><html lang="ja"><head><meta charset="UTF-8"><meta content="width=device-width,initial-scale=1"name="viewport"><title>${messages.title}</title><style>body{background-color:#0c1210;color:#dee7e4;font-family:Hiragino Maru Gothic Pro,BIZ UDGothic,Roboto,HelveticaNeue,Arial,sans-serif;line-height:1.35;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;margin:0;padding:24px;box-sizing:border-box}.icon{max-width:120px;width:100%;height:auto;margin-bottom:20px;}.message{text-align:center;font-size:20px;font-weight:700;margin-bottom:20px}.version{text-align:center;font-size:90%;margin-bottom:20px}button{padding:7px 14px;min-width:100px;font-weight:700;font-family:Hiragino Maru Gothic Pro,BIZ UDGothic,Roboto,HelveticaNeue,Arial,sans-serif;line-height:1.35;border-radius:99rem;background-color:#b4e900;color:#192320;border:none;cursor:pointer;-webkit-tap-highlight-color:transparent}button:hover{background-color:#c6ff03}</style></head><body><svg class="icon"fill="none"height="24"stroke="currentColor"stroke-linecap="round"stroke-linejoin="round"stroke-width="2"viewBox="0 0 24 24"width="24"xmlns="http://www.w3.org/2000/svg"><path d="M0 0h24v24H0z"fill="none"stroke="none"/><path d="M9.58 5.548c.24 -.11 .492 -.207 .752 -.286c1.88 -.572 3.956 -.193 5.444 1c1.488 1.19 2.162 3.007 1.77 4.769h.99c1.913 0 3.464 1.56 3.464 3.486c0 .957 -.383 1.824 -1.003 2.454m-2.997 1.033h-11.343c-2.572 -.004 -4.657 -2.011 -4.657 -4.487c0 -2.475 2.085 -4.482 4.657 -4.482c.13 -.582 .37 -1.128 .7 -1.62"/><path d="M3 3l18 18"/></svg><div class="message">${messages.header}</div><div class="version">v${_VERSION_}</div><button onclick="reloadPage()">${messages.reload}</button><script>function reloadPage(){location.reload(!0)}</script></body></html>`;
 }

 globalThis.addEventListener('fetch', ev => {
@ -43,8 +51,9 @@ globalThis.addEventListener('fetch', ev => {
 	if (!isHTMLRequest) return;
 	ev.respondWith(
 		fetch(ev.request)
-			.catch(() => {
-				return new Response(offlineContentHTML(), {
+			.catch(async () => {
+				const html = await offlineContentHTML();
+				return new Response(html, {
 					status: 200,
 					headers: {
 						'content-type': 'text/html',