DefinitelyTyped/types/i18next-node-fs-backend/i18next-node-fs-backend-tests.ts

import * as i18next from 'i18next';
import * as Backend from 'i18next-node-fs-backend';

var options = {
    backend: {
        // path where resources get loaded from
        loadPath: '/locales/{{lng}}/{{ns}}.json',

        // path to post missing resources
        addPath: '/locales/{{lng}}/{{ns}}.missing.json',

        // jsonIndent to use when storing json files
        jsonIndent: 2
    }
};

i18next.use(Backend).init(options);
i18next.use(Backend).init({ backend: options.backend });

var backend = new Backend(null, options.backend);

backend = new Backend();
backend.init(options.backend);