Examine source code of Junk Filter

{
  "manifest_version": 3,
  "name": "Junk Filter",
  "version": "0.6.0",
  "description": "Label, dim or hide suspicious and unknown brands across major online marketplaces.",
  "permissions": [
    "storage",
    "alarms"
  ],
  "host_permissions": [
    "https://*/*"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "Open Junk Filter"
  },
  "background": {
    "scripts": [
      "src/background/service-worker.js"
    ]
  },
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*"
      ],
      "exclude_matches": [
        "https://junk-filter.com/*",
        "https://*.junk-filter.com/*",
        "https://*.bank/*",
        "https://*.banking/*",
        "https://*.gov/*",
        "https://accounts.google.com/*",
        "https://mail.google.com/*",
        "https://outlook.live.com/*",
        "https://outlook.office.com/*",
        "https://web.whatsapp.com/*",
        "https://*.slack.com/*",
        "https://discord.com/*",
        "https://teams.microsoft.com/*",
        "https://paypal.com/*",
        "https://*.paypal.com/*",
        "https://stripe.com/*",
        "https://*.stripe.com/*"
      ],
      "js": [
        "src/client-control/content.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://*/*"
      ],
      "exclude_matches": [
        "https://junk-filter.com/*",
        "https://*.junk-filter.com/*",
        "https://*.bank/*",
        "https://*.banking/*",
        "https://*.gov/*",
        "https://accounts.google.com/*",
        "https://mail.google.com/*",
        "https://outlook.live.com/*",
        "https://outlook.office.com/*",
        "https://web.whatsapp.com/*",
        "https://*.slack.com/*",
        "https://discord.com/*",
        "https://teams.microsoft.com/*",
        "https://paypal.com/*",
        "https://*.paypal.com/*",
        "https://stripe.com/*",
        "https://*.stripe.com/*"
      ],
      "js": [
        "src/price-comparison/extractors.js",
        "src/price-comparison/offers.js",
        "src/price-comparison/content.js"
      ],
      "css": [
        "src/price-comparison/content.css"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://www.bol.com/*",
        "https://www.walmart.com/*",
        "https://www.walmart.ca/*",
        "https://www.ebay.com/*",
        "https://www.ebay.ca/*",
        "https://www.ebay.be/*",
        "https://www.ebay.de/*",
        "https://www.ebay.co.uk/*",
        "https://www.otto.de/*",
        "https://www.kaufland.de/*"
      ],
      "js": [
        "src/marketplaces/bootstrap.js",
        "data/seed.js",
        "data/generic-words.js",
        "data/phonotactics.js",
        "src/core/settings.js",
        "src/core/detector.js",
        "src/marketplaces/adapters.js",
        "src/ui/panel.js",
        "src/marketplaces/content.js"
      ],
      "css": [
        "src/ui/content.css"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://www.etsy.com/*"
      ],
      "js": [
        "src/marketplaces/bootstrap.js",
        "src/core/settings.js",
        "src/etsy/authenticity.js",
        "src/etsy/content.js"
      ],
      "css": [
        "src/ui/content.css"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://www.amazon.com/*",
        "https://www.amazon.ca/*",
        "https://www.amazon.com.mx/*",
        "https://www.amazon.com.br/*",
        "https://www.amazon.co.uk/*",
        "https://www.amazon.ie/*",
        "https://www.amazon.de/*",
        "https://www.amazon.fr/*",
        "https://www.amazon.it/*",
        "https://www.amazon.es/*",
        "https://www.amazon.nl/*",
        "https://www.amazon.se/*",
        "https://www.amazon.pl/*",
        "https://www.amazon.com.be/*",
        "https://www.amazon.com.tr/*",
        "https://www.amazon.ae/*",
        "https://www.amazon.sa/*",
        "https://www.amazon.eg/*",
        "https://www.amazon.co.za/*",
        "https://www.amazon.in/*",
        "https://www.amazon.co.jp/*",
        "https://www.amazon.sg/*",
        "https://www.amazon.com.au/*"
      ],
      "js": [
        "src/amazon/routes.js",
        "src/amazon/early.js"
      ],
      "css": [
        "src/ui/content.css"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://www.amazon.com/*",
        "https://www.amazon.ca/*",
        "https://www.amazon.com.mx/*",
        "https://www.amazon.com.br/*",
        "https://www.amazon.co.uk/*",
        "https://www.amazon.ie/*",
        "https://www.amazon.de/*",
        "https://www.amazon.fr/*",
        "https://www.amazon.it/*",
        "https://www.amazon.es/*",
        "https://www.amazon.nl/*",
        "https://www.amazon.se/*",
        "https://www.amazon.pl/*",
        "https://www.amazon.com.be/*",
        "https://www.amazon.com.tr/*",
        "https://www.amazon.ae/*",
        "https://www.amazon.sa/*",
        "https://www.amazon.eg/*",
        "https://www.amazon.co.za/*",
        "https://www.amazon.in/*",
        "https://www.amazon.co.jp/*",
        "https://www.amazon.sg/*",
        "https://www.amazon.com.au/*"
      ],
      "js": [
        "data/seed.js",
        "data/generic-words.js",
        "data/phonotactics.js",
        "data/amazon-config.js",
        "src/core/settings.js",
        "src/core/detector.js",
        "src/amazon/routes.js",
        "src/amazon/pdp-brand.js",
        "src/amazon/tile.js",
        "src/ui/panel.js",
        "src/amazon/content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/icon128.png"
      ],
      "matches": [
        "https://*/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "junk-filter@junk-filter.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "browsingActivity",
          "websiteContent"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  }
}