Examine source code of NoLinks

{
  "description": "This extension disables links and facilitates a link-free and clean read of a website",
  "manifest_version": 2,
  "name": "NoLinks",
  "short_name": "NoLinks",
  "version": "3",
  "developer": {
    "name": "Sergio LL."
  },
  "default_locale": "en",
  "icons": {
    "32": "icons/readerModeGrayWhite-32 - copia.png",
    "96": "icons/readerModeGrayWhite-96 - copia.png"
  },
  "permissions": [
    "<all_urls>",
    "tabs",
    "activeTab",
    "storage"
  ],
  "background": {
    "scripts": [
      "browserAction.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/readerModeGrayWhite-32 - copia.png",
    "default_title": "__MSG_browserActionTitle__"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "nolinks@example.com"
    }
  },
  "options_ui": {
    "page": "popup.html",
    "browser_style": true
  }
}