i18n-behavior/test/src/preference/preference-element.js

Instant and Modular I18N engine for lit-html and Polymer

/**
@license https://github.com/t2ym/i18n-behavior/blob/master/LICENSE.md
Copyright (c) 2016, Tetsuya Mori <t2y3141592@gmail.com>. All rights reserved.
*/
import '../../../i18n-behavior.js';

import { Polymer } from '@polymer/polymer/lib/legacy/polymer-fn.js';
import { html } from '@polymer/polymer/lib/utils/html-tag.js';
import { dom } from '@polymer/polymer/lib/legacy/polymer.dom.js';
Polymer({
  importMeta: import.meta,

  _template: html`
    <span id="oldLang"></span>
`,

  is: 'preference-element',

  behaviors: [
    BehaviorsStore.I18nBehavior
  ],

  listeners: {
    'lang-updated': '_langUpdated'
  },

  _langUpdated: function (e) {
    if (dom(e).rootTarget === this) {
      console.log(e.detail);
      console.log('navigator.language = ' + navigator.language);
      if (e.detail.lastLang === 'en') {
        this.$.oldLang.lang = e.detail.oldLang;
        this.fire('local-dom-ready');
      }
    }
  }
});