Examine source code of Popup Blocker (Lite)

{
  "version": "0.2.1",
  "manifest_version": 3,
  "name": "Popup Blocker (Lite)",
  "host_permissions": [
    "<all_urls>"
  ],
  "homepage_url": "https://mybrowseraddon.com/popup-blocking.html",
  "description": "A fast, easy and secure way to block all unwanted popups and pop-unders!",
  "commands": {
    "_execute_action": {}
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "data/options/options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "109.0",
      "id": "{616d920f-0adc-432f-8919-fdf0308c6436}"
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "scripting",
    "webRequest",
    "notifications"
  ],
  "background": {
    "scripts": [
      "lib/config.js",
      "lib/chrome.js",
      "lib/runtime.js",
      "lib/webrequest.js",
      "lib/common.js"
    ]
  },
  "action": {
    "default_title": "Popup Blocker (Lite)",
    "default_popup": "data/popup/popup.html",
    "default_icon": {
      "16": "data/icons/16.png",
      "32": "data/icons/32.png",
      "48": "data/icons/48.png",
      "64": "data/icons/64.png"
    }
  },
  "content_scripts": [
    {
      "all_frames": true,
      "match_about_blank": true,
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start",
      "js": [
        "data/content_script/inject.js"
      ]
    }
  ],
  "icons": {
    "16": "data/icons/16.png",
    "32": "data/icons/32.png",
    "48": "data/icons/48.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png"
  }
}