This is an exremely tiny, yet powerful library for translation. st-i18n does also handle string interpolation for advanced translation needs.

• ✅ Implements a simple, i18next-like API including string interpolation
• ✅ Comes with namespace support
• ✅ Tiny: 441 bytes (best, brotli) - 599 bytes (worst, umd, gz)
• ✅ Zero dependencies
• ✅ First class TypeScript support
• ✅ 100% Unit Test coverage

This is how using st-i18n looks like:

import { tsx, render, Ref } from 'springtype';
import { $ } from 'st-query';
import { i18n } from 'st-i18n';

// example with local translation source
import de from './assets/translation/de.json'; 
import en from './assets/translation/en.json';

const t = i18n.t(/* optional: provide a namespace name here */);

/**
 * de.json:
 * e.g.:
 * {
 *   "translation": {
 *     "Hello world, {name}": "Hallo {name}, Welt!"
 *   }
 * }
 */
i18n.load('de', de);
i18n.load('en', en);

i18n.language = 'de';

// prints:  Hallo Jack, Welt!
t('Hello world', {
  name: 'Jack'
});

The following contract is made between the webapp and st-i18n:

export interface API {
  language: string;
  defaultNamespace: string;
  trans: Translation;
  t: (ns?: string) => TFunction;
  load: (language: string, ns: Namespace) => API;
}

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