Examine source code of eMAG Buddy - Advance Filtering Options

{
  "manifest_version": 3,
  "name": "eMAG Buddy - Advance Filtering Options",
  "version": "2.0.1",
  "description": "Hides eMAG marketplace listings that aren't actually sold and shipped by eMAG itself — verified against eMAG's own seller/shipping info on each product page, not guesswork. Available in English, Romanian, Bulgarian and Hungarian.",
  "browser_specific_settings": {
    "gecko": {
      "id": "doar-emag@local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "eMAG Buddy - Advance Filtering Options",
    "default_icon": {
      "16": "icon_16_inactive.png",
      "48": "icon_48_inactive.png",
      "128": "icon_128_inactive.png"
    }
  },
  "icons": {
    "16": "icon_16.png",
    "48": "icon_48.png",
    "128": "icon_128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.emag.ro/*",
    "*://*.emag.bg/*",
    "*://*.emag.hu/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.emag.ro/*",
        "*://*.emag.bg/*",
        "*://*.emag.hu/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}