Examine source code of GoodGames Library Sync

{
  "manifest_version": 3,
  "name": "GoodGames Library Sync",
  "version": "0.8.2",
  "permissions": [
    "storage",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "https://library.playstation.com/*",
    "https://ca.account.sony.com/*",
    "https://web.np.playstation.com/*",
    "https://www.playstation.com/*",
    "https://accounts.nintendo.com/*",
    "https://www.nintendo.com/*",
    "https://wb.lp1.savanna.srv.nintendo.net/*",
    "https://goodgames.fyi/*",
    "https://www.goodgames.fyi/*",
    "https://store.steampowered.com/*"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ruleset_1",
        "enabled": true,
        "path": "rules.json"
      }
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://library.playstation.com/*",
        "https://www.playstation.com/*"
      ],
      "js": [
        "platforms/playstation/spy_psn.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://library.playstation.com/*",
        "https://www.playstation.com/*"
      ],
      "js": [
        "platforms/playstation/playstation-sync-interceptor.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://accounts.nintendo.com/*",
        "https://wb.lp1.savanna.srv.nintendo.net/*"
      ],
      "js": [
        "platforms/nintendo/spy_nintendo.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://accounts.nintendo.com/*"
      ],
      "js": [
        "platforms/nintendo/nintendo-oauth-interceptor.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://www.nintendo.com/us/orders/*"
      ],
      "js": [
        "platforms/nintendo/nintendo-orders-interceptor.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://accounts.nintendo.com/portal/vgcs*"
      ],
      "js": [
        "platforms/nintendo/nintendo-vgcs-interceptor.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://goodgames.fyi/*",
        "https://www.goodgames.fyi/*"
      ],
      "js": [
        "platforms/nintendo/nintendo-credentials-bridge.js",
        "platforms/playstation/playstation-credentials-bridge.js",
        "platforms/steam/steam-licenses-bridge.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://library.playstation.com/*",
        "https://www.playstation.com/*",
        "https://accounts.nintendo.com/*",
        "https://wb.lp1.savanna.srv.nintendo.net/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://goodgames.fyi/*",
        "https://www.goodgames.fyi/*"
      ],
      "js": [
        "detector.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://store.steampowered.com/account/licenses/*"
      ],
      "js": [
        "platforms/steam/steam-licenses-scraper.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@goodgames.fyi",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteActivity"
        ]
      }
    }
  }
}