dt-intl/dist/index.js

I18N tools for universal javascript apps, easy use & better api;

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.IntlFormat = void 0;
const intl_messageformat_1 = require("intl-messageformat");
const lodashGet = require("lodash.get");
const Observer_1 = require("./Observer");
class I18N {
    constructor(lang, metas, defaultKey) {
        this.__lang__ = lang;
        this.__metas__ = metas;
        this.__data__ = metas[lang];
        this.__defaultKey__ = defaultKey;
    }
    setLang(lang) {
        this.__lang__ = lang;
        this.__data__ = this.__metas__[lang];
    }
    getProp(obj, is, value) {
        if (typeof is === 'string') {
            is = is.split('.');
        }
        if (is.length === 1 && value !== undefined) {
            return (obj[is[0]] = value);
        }
        else if (is.length === 0) {
            return obj;
        }
        else {
            const prop = is.shift();
            if (value !== undefined && obj[prop] === undefined) {
                obj[prop] = {};
            }
            return this.getProp(obj[prop], is, value);
        }
    }
    template(str, args) {
        if (!str) {
            return '';
        }
        return str.replace(/\{(.+?)\}/g, (match, p1) => {
            return this.getProp(Object.assign(Object.assign({}, this.__data__), args), p1);
        });
    }
    get(str, args) {
        let msg = lodashGet(this.__data__, str);
        if (!msg) {
            msg = lodashGet(this.__metas__[this.__defaultKey__ || 'zh-CN'], str, str);
        }
        if (args) {
            try {
                msg = new intl_messageformat_1.default(msg, this.__lang__);
                msg = msg.format(args);
                return msg;
            }
            catch (err) {
                console.warn(`dt-intl format message failed for key='${str}'`, err);
                return '';
            }
        }
        else {
            return msg;
        }
    }
}
const IntlFormat = {
    init: (lang, metas, defaultKey) => {
        const i18n = new I18N(lang, metas, defaultKey);
        return (0, Observer_1.default)(i18n, defaultKey);
    },
};
exports.IntlFormat = IntlFormat;
exports.default = IntlFormat;
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