Examine source code of ListingLens – Etsy Seller Analytics

{
  "manifest_version": 3,
  "name": "EtsyScope – Etsy Seller Analytics",
  "version": "1.0.1",
  "description": "Analyse listings, find tag gaps, estimate sales, and optimize your Etsy shop",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "https://www.etsy.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "etsyscope@tommsel.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "ExtPay.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.etsy.com/*"
      ],
      "js": [
        "utils/i18n.js",
        "utils/parser.js",
        "utils/scoring.js",
        "utils/estimates.js",
        "utils/ui-injector.js",
        "utils/dom-highlights.js",
        "content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://extensionpay.com/*"
      ],
      "js": [
        "ExtPay.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}