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import { useEffect } from 'react';
import { LOCALE_CONFIG } from '@/lib/constants';
import { httpGet } from '@/lib/fetch';
import { getDateLocale, getTextDirection } from '@/lib/lang';
import { setItem } from '@/lib/storage';
import { setLocale, useApp } from '@/store/app';
import enUS from '../../../public/intl/country/en-US.json';
import { useForceUpdate } from './useForceUpdate';
const messages = {
'en-US': enUS,
};
const selector = (state: { locale: string }) => state.locale;
export function useLocale() {
const locale = useApp(selector);
const forceUpdate = useForceUpdate();
const dir = getTextDirection(locale);
const dateLocale = getDateLocale(locale);
async function loadMessages(locale: string) {
const { data } = await httpGet(`${process.env.basePath || ''}/intl/messages/${locale}.json`);
messages[locale] = data;
}
async function saveLocale(value: string) {
if (!messages[value]) {
await loadMessages(value);
}
setItem(LOCALE_CONFIG, value);
document.getElementById('__next')?.setAttribute('dir', getTextDirection(value));
if (locale !== value) {
setLocale(value);
} else {
forceUpdate();
}
}
useEffect(() => {
if (!messages[locale]) {
saveLocale(locale);
}
}, [locale]);
useEffect(() => {
const url = new URL(window?.location?.href);
const locale = url.searchParams.get('locale');
if (locale) {
saveLocale(locale);
}
}, []);
return { locale, saveLocale, messages, dir, dateLocale };
}
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