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manifest.json

{
  "manifest_version": 3,
  "name": "MV3 Valid",
  "version": "2.2",
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; child-src https://www.contoso.com https://azurewebsites.contoso.com"
  },
  "host_permissions": [
    "https://www.contoso.com/*"
  ],
  "permissions": [
    "tabs"
  ],
  "action": {
    "default_icon": {
      "16": "img/icon16.png"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "/img/contoso.svg"
      ],
      "matches": [
        "*://www.contoso.com/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.example.com/*"
      ],
      "css": [
        "styles.css"
      ],
      "js": [
        "content-script.js"
      ],
      "exclude_matches": [
        "*://*/*foo*"
      ],
      "include_globs": [
        "*example.com/???s/*"
      ],
      "exclude_globs": [
        "*bar*"
      ],
      "all_frames": false,
      "match_about_blank": false,
      "run_at": "document_idle",
      "world": "ISOLATED"
    }
  ],
  "background": {
    "service_worker": "worker.js"
  },
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}