38 lines
1.3 KiB
TypeScript
38 lines
1.3 KiB
TypeScript
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import { Semaphore } from 'async-mutex';
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import type { LocaleData } from './global_locale';
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import { isLocaleLoaded, setLocale } from './global_locale';
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const localeLoadingSemaphore = new Semaphore(1);
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export async function loadLocale() {
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const locale = document.querySelector<HTMLElement>('html')?.lang || 'en';
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// We use a Semaphore here so only one thing can try to load the locales at
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// the same time. If one tries to do it while its in progress, it will wait
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// for the initial load to finish before it is resumed (and will see that locale
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// data is already loaded)
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await localeLoadingSemaphore.runExclusive(async () => {
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// if the locale is already set, then do nothing
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if (isLocaleLoaded()) return;
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const upstreamLocaleData = await import(
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/* webpackMode: "lazy" */
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/* webpackChunkName: "locales/vanilla/[request]" */
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/* webpackInclude: /\.json$/ */
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/* webpackPreload: true */
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`mastodon/locales/${locale}.json`
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) as LocaleData['messages'];
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const localeData = await import(
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/* webpackMode: "lazy" */
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/* webpackChunkName: "locales/glitch/[request]" */
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/* webpackInclude: /\.json$/ */
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/* webpackPreload: true */
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`flavours/glitch/locales/${locale}.json`
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) as LocaleData['messages'];
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setLocale({ messages: { ...upstreamLocaleData, ...localeData }, locale });
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});
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}
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