m2-ui/lib/locale/index.js

The package is provided web components and utilities based on vue and element-ui.

'use strict';

exports.__esModule = true;
var _arguments = arguments;

var _vue = require('vue');

var _vue2 = _interopRequireDefault(_vue);

var _deepmerge = require('deepmerge');

var _deepmerge2 = _interopRequireDefault(_deepmerge);

var _m2Core = require('m2-core');

var _format = require('./format');

var _format2 = _interopRequireDefault(_format);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var locale = null;
var merged = false;

var i18nHandler = function i18nHandler() {
  var i18n = Object.getPrototypeOf(undefined || _vue2.default).$t;
  if (typeof i18n === 'function' && !!_vue2.default.locale) {
    if (!merged) {
      merged = true;
      _vue2.default.locale(_vue2.default.config.lang, (0, _deepmerge2.default)(locale, _vue2.default.locale(_vue2.default.config.lang) || {}, { clone: true }));
    }
    return i18n.apply(undefined, _arguments);
  }
};

var trans = function trans(path, options) {
  var lang = _m2Core.DataStorage.get(_m2Core.DEFAULT_LANGUAGE_SETTING);
  useLang(lang);

  var value = i18nHandler.apply(undefined, _arguments);
  if (value !== null && value !== undefined) return value;

  var array = path.split('.');
  var current = locale;

  for (var i = 0, j = array.length; i < j; i++) {
    var property = array[i];
    value = current[property];
    if (i === j - 1) return (0, _format2.default)()(value, options);
    if (!value) return '';
    current = value;
  }
  return '';
};

var useLang = function useLang(lang) {
  switch (lang) {
    case 'en':
      locale = require('./lang/en-US').default;
      break;
    case 'zh':
    default:
      locale = require('./lang/zh-CN').default;
      break;
  }
};

exports.default = {
  t: trans,
  use: useLang,
  i18n: function i18n(fn) {
    return i18nHandler = fn || i18nHandler;
  }
};