algm / bawlerjs

import { sprintf } from 'sprintf-js';

import fetch from 'node-fetch';

class Bawler {

    constructor() {

        this.messages = {};

        this.currentLang = 'en';

    }

    lang(lang = 'en') {

        this.currentLang = lang;

    }

    register(lang, messages) {

        this.messages[lang] = messages;

    }

    async registerUrl(url, lang) {

        const data = await fetch(url);

        const jsondata = await data.json();

        this.register(lang, jsondata);

    }

    all(lang = null) {

        if (!lang) {

            return this.messages;

        }

        return this.messages[lang] || {};

    }

    msg(messageKey, vars = []) {

        const message = this.all(this.currentLang)[messageKey] || messageKey;

        const args = [message, ...vars];

        return sprintf(...args);

    }

}

const instance = new Bawler();

const msg = instance.msg.bind(instance);

const lang = instance.lang.bind(instance);

const register = instance.register.bind(instance);

const registerUrl = instance.registerUrl.bind(instance);

const all = instance.all.bind(instance);

export default instance;

export { msg, lang, register, registerUrl, all };