UPC Lookup

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "UPC Lookup",
  "description": "UPC Look helps you find UPC on Amazon, Walmart",
  "version": "0.0.10",
  "manifest_version": 3,
  "permissions": [
    "tabs",
    "storage",
    "identity",
    "identity.email",
    "notifications"
  ],
  "background": {
    "service_worker": "background.bundle.js"
  },
  "action": {
    "default_title": "upc-lookup",
    "default_icon": "images/icon-128.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/icon-16.png",
    "19": "images/icon-19.png",
    "38": "images/icon-38.png",
    "128": "images/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.com/*",
        "*://*.walmart.com/*"
      ],
      "js": [
        "content_script.bundle.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_end"
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; worker-src 'self'"
  }
}