Examine source code of ListingView - Find Etsy's Best Selling Products

{
  "manifest_version": 3,
  "name": "ListingView - See Sales Data on Etsy",
  "version": "1.1.11",
  "description": "Get insights into trending Etsy products so you can sell what buyers are already looking for.",
  "permissions": [
    "storage",
    "tabs",
    "scripting",
    "activeTab",
    "cookies"
  ],
  "host_permissions": [
    "*://*.etsy.com/*",
    "*://*.listingview.io/*",
    "*://*.listingview.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.etsy.com/*"
      ],
      "exclude_matches": [
        "*://*.listingview.io/*"
      ],
      "js": [
        "pageContext.js"
      ],
      "world": "MAIN",
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://*.etsy.com/*"
      ],
      "exclude_matches": [
        "*://*.listingview.io/*"
      ],
      "js": [
        "contentScript.js"
      ]
    },
    {
      "matches": [
        "*://*.listingview.io/*"
      ],
      "js": [
        "listingviewRelay.js"
      ],
      "run_at": "document_end"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/img/icon_extension/16.png",
      "32": "assets/img/icon_extension/32.png",
      "48": "assets/img/icon_extension/48.png",
      "128": "assets/img/icon_extension/128.png"
    }
  },
  "icons": {
    "16": "assets/img/icon_extension/16.png",
    "32": "assets/img/icon_extension/32.png",
    "48": "assets/img/icon_extension/48.png",
    "128": "assets/img/icon_extension/128.png"
  },
  "content_security_policy": {
    "extension_pages": "default-src 'self'; script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; connect-src 'self' https://app.listingview.io https://api.listingview.io https://*.listingview.io https://app.listingview.com https://api.listingview.com https://*.listingview.com"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "contentScript.js",
        "contentScript.css",
        "contentScriptStyles.css",
        "popup.css",
        "dashboard.css",
        "ping.json",
        "*.js",
        "*.css",
        "assets/*"
      ],
      "matches": [
        "*://*.etsy.com/*",
        "*://*.listingview.io/*",
        "*://*.listingview.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "listingview@listingview.io",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "websiteContent"
        ]
      }
    }
  }
}