Examine source code of Haven Nyaa Previewer

{
  "manifest_version": 2,
  "name": "Haven Nyaa Previewer",
  "version": "1.0.1",
  "description": "Hover torrents on Nyaa to preview anime metadata from AniList.",
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "permissions": [
    "storage",
    "*://nyaa.si/*",
    "*://nyaa.land/*",
    "*://nyaa.eu/*",
    "*://nyaa.iss.one/*",
    "*://nyaa.ink/*",
    "*://nyaa.digital/*",
    "*://ny.iss.one/*",
    "*://cathienova.net/nyaa/*",
    "https://graphql.anilist.co/*"
  ],
  "background": {
    "scripts": [
      "sharedSettings.js",
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://nyaa.si/*",
        "*://nyaa.land/*",
        "*://nyaa.eu/*",
        "*://nyaa.iss.one/*",
        "*://nyaa.ink/*",
        "*://nyaa.digital/*",
        "*://ny.iss.one/*",
        "*://cathienova.net/nyaa/*"
      ],
      "js": [
        "sharedSettings.js",
        "contentScript.js"
      ],
      "css": [
        "overlay.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_action": {
    "default_title": "Haven Nyaa Previewer",
    "default_popup": "options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "haven-nyaa-previewer@havenden.local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  }
}