AntiRickRoll

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "AntiRickRoll",
  "description": "Never gonna rickroll you, never gonna let you get rickrolled.",
  "version": "1.7",
  "content_scripts": [
    {
      "js": [
        "background/content.js"
      ],
      "matches": [
        "https://*.youtube.com/*"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "warn/warn.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "popup/index.html"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}