React langsys-js-react

npm install langsys-js-react

import { LangsysApp, createLocaleStore } from 'langsys-js-react';

const locale = createLocaleStore('en-US');

await LangsysApp.init({
  projectid: import.meta.env.VITE_LANGSYS_PROJECT_ID,
  key: import.meta.env.VITE_LANGSYS_API_KEY, // read-only in the browser
  UserLocaleStore: locale,
});

import { useSignal, useCurrentLocale } from 'langsys-js-react';

// React re-renders only on React state — it can't watch a base-SDK
// signal by itself. useSignal(signal) subscribes and re-renders on change.
function LocaleBadge() {
  const selected = useSignal(locale);   // your createLocaleStore(...)
  const loaded = useCurrentLocale();    // shortcut for the loaded locale

  return <footer>selected {selected} · loaded {loaded}</footer>;
}

import { useT } from 'langsys-js-react';

function Greeting({ name }) {
  const t = useT();
  return <p>{t('Hello, {name}!', 'Greetings', { name })}</p>;
}

import { useT } from 'langsys-js-react';

function LikeNotice({ user }) {
  const t = useT();
  // Pass the agreement argument alongside the value it inflects.
  return <p>{t('{username} has been invited', 'Team', {
    username: user.name,
    username_gender: user.gender, // 'male' | 'female' | 'other'
  })}</p>;
}

// The server fetches the catalog; the client init starts from it
// instead of fetching it again, and translates once it runs.
LangsysApp.init({
  projectid, key,
  UserLocaleStore: locale,
  initialTranslations,        // fetched on the server
  initialTranslationsLocale,  // fetched on the server
  ssrTokenStrategy: 'client',
});