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This commit is contained in:
tamaina 2021-02-10 02:03:05 +09:00
parent f95ca164d6
commit 77902e8d80
3 changed files with 28 additions and 30 deletions
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49
src/client/sw/lang.ts
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@ -1,44 +1,43 @@
/*
* Language manager for SW
*/
declare var self: ServiceWorkerGlobalScope;
import { get, set } from 'idb-keyval';
import { I18n } from '@/scripts/i18n';
class SwLang {
public cacheName = `mk-cache-${_VERSION_}`;
public cacheName = `mk-cache-${_VERSION_}`;
public lang: Promise<string> = get('lang').then(async prelang => {
if (!prelang) return 'en-US';
return prelang;
});
public lang: Promise<string> = get('lang').then(async prelang => {
if (!prelang) return 'en-US';
return prelang;
});
public i18n: I18n<any> | null = null;
public i18n: I18n<any> | null = null;
public setLang(newLang: string) {
this.i18n = null;
this.lang = Promise.resolve(newLang);
public setLang(newLang: string) {
this.i18n = null;
this.lang = Promise.resolve(newLang);
set('lang', newLang);
return this.fetchLocale();
}
}
public async fetchLocale() {
// Service Workerは何度も起動しそのたびにlocaleを読み込むので、CacheStorageを使う
const localeUrl = `/assets/locales/${await this.lang}.${_VERSION_}.json`;
let localeRes = await caches.match(localeUrl);
if (!localeRes) {
localeRes = await fetch(localeUrl);
const clone = localeRes?.clone();
if (!clone?.clone().ok) return;
caches.open(this.cacheName).then(cache => cache.put(localeUrl, clone));
}
public async fetchLocale() {
// Service Workerは何度も起動しそのたびにlocaleを読み込むので、CacheStorageを使う
const localeUrl = `/assets/locales/${await this.lang}.${_VERSION_}.json`;
let localeRes = await caches.match(localeUrl);
return this.i18n = new I18n(await localeRes.json());
}
if (!localeRes) {
localeRes = await fetch(localeUrl);
const clone = localeRes?.clone();
if (!clone?.clone().ok) return;
caches.open(this.cacheName).then(cache => cache.put(localeUrl, clone));
}
return this.i18n = new I18n(await localeRes.json());
}
}
export const swLang = new SwLang();