config.json

{
  "plugin_type": "widget",
  "name": "Localized Copy Change",
  "edit_page_url": "http://www.atticandbutton.us/",
  "form_schema": [
    {
      "default_value": ".hero__title",
      "field_type": "selector",
      "name": "selector",
      "label": "Element",
      "options": null
    },
    {
      "default_value": "New English Text",
      "field_type": "text",
      "name": "str_en",
      "label": "English",
      "options": null
    },
    {
      "default_value": "New German Text",
      "field_type": "text",
      "name": "str_de",
      "label": "German",
      "options": null
    },
    {
      "default_value": "New Spanish Text",
      "field_type": "text",
      "name": "str_es",
      "label": "Spanish",
      "options": null
    },
    {
      "default_value": "str_de",
      "field_type": "dropdown",
      "name": "preview",
      "label": "Preview Language",
      "options": {
        "choices": [
          {
            "value": "str_en",
            "label": "English"
          },
          {
            "value": "str_de",
            "label": "German"
          },
          {
            "value": "str_es",
            "label": "Spanish"
          }
        ]
      }
    }
  ],
  "description": "Make a copy change on your website in multiple languages",
  "options": {
    "html": "",
    "css": "",
    "apply_js": "var utils = window.optimizely.get('utils');\nvar previewMode = (document.referrer.indexOf('app.optimizely.com') != -1 ? true : false);\n\nvar userLang = window.navigator.language || window.navigator.userLanguage;\nvar str;\n\nconsole.log(userLang);\n\nswitch (userLang) {\n\tcase 'en':\n\tcase 'en-US':\n\t\tstr = extension['str_en'];\n\t\tbreak;\n\t\t\n\tcase 'de':\n\t\tstr = extension['str_de'];\n\t\tbreak;\n\n\tcase 'es':\n\t\tstr = extension['str_es'];\n\t\tbreak;\n\n  default: \n    break;\n}\n\nif (previewMode === true) str = extension[extension.preview];\n\nutils.waitForElement(extension.selector).then(function() {\n\tif (str != undefined) document.querySelector(extension.selector).innerText = str;\n});\n\n\n",
    "undo_js": ""
  }
}