mirror of
https://github.com/misskey-dev/misskey
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8211893210
* `yarn workspace client run lint --fix` * `eslint-disable-next-line no-var` for service worker self * A few more manual sw fixes * word change
46 lines
1.1 KiB
TypeScript
46 lines
1.1 KiB
TypeScript
/*
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* Language manager for SW
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*/
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import { get, set } from 'idb-keyval';
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import { I18n } from '@/scripts/i18n';
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class SwLang {
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public cacheName = `mk-cache-${_VERSION_}`;
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public lang: Promise<string> = get('lang').then(async prelang => {
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if (!prelang) return 'en-US';
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return prelang;
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});
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public setLang(newLang: string) {
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this.lang = Promise.resolve(newLang);
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set('lang', newLang);
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return this.fetchLocale();
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}
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public i18n: Promise<I18n<any>> | null = null;
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public fetchLocale() {
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return this.i18n = this._fetch();
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}
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private async _fetch() {
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// Service Workerは何度も起動しそのたびにlocaleを読み込むので、CacheStorageを使う
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const localeUrl = `/assets/locales/${await this.lang}.${_VERSION_}.json`;
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let localeRes = await caches.match(localeUrl);
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// _DEV_がtrueの場合は常に最新化
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if (!localeRes || _DEV_) {
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localeRes = await fetch(localeUrl);
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const clone = localeRes?.clone();
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if (!clone?.clone().ok) Error('locale fetching error');
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caches.open(this.cacheName).then(cache => cache.put(localeUrl, clone));
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}
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return new I18n(await localeRes.json());
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}
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}
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export const swLang = new SwLang();
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