Contentful Environment Guard

manifest.json

{
  "manifest_version": 2,
  "name": "Contentful Environment Guard",
  "version": "1.0",
  "description": "Warns you when entering an Contentful entry in the master environment",
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "icon.png"
  },
  "content_scripts": [
    {
      "js": [
        "guard.js"
      ],
      "matches": [
        "https://app.contentful.com/spaces/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a582ef29-f04e-4505-b5ae-7651c940b0c5}"
    }
  }
}