Examine source code of Fandom Debloat

{
  "manifest_version": 3,
  "name": "Fandom Debloat",
  "description": "Removes noisy Fandom surfaces and blocks common ad/tracker requests on Fandom wiki pages.",
  "version": "0.1.1",
  "short_name": "Debloat",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "*://*.fandom.com/*",
    "*://*.adnxs.com/*",
    "*://*.adsafeprotected.com/*",
    "*://*.amazon-adsystem.com/*",
    "*://*.criteo.com/*",
    "*://*.doubleclick.net/*",
    "*://*.facebook.net/*",
    "*://*.google-analytics.com/*",
    "*://*.googlesyndication.com/*",
    "*://*.googletagmanager.com/*",
    "*://*.moatads.com/*",
    "*://*.openx.net/*",
    "*://*.outbrain.com/*",
    "*://*.permutive.com/*",
    "*://*.pubmatic.com/*",
    "*://*.quantserve.com/*",
    "*://*.rubiconproject.com/*",
    "*://*.scorecardresearch.com/*",
    "*://*.spotxchange.com/*",
    "*://*.taboola.com/*"
  ],
  "action": {
    "default_title": "Fandom Debloat",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cac5c280-d37b-4cb9-94ad-d0e771bd837f}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.fandom.com/*"
      ],
      "all_frames": false,
      "run_at": "document_start",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}