manifest.json

{
  "name": "GPA Calculator(UOC)",
  "version": "1.0.1",
  "description": "Calculate your GPA from University of Colombo Student Information System.",
  "icons": {
    "16": "assets/icon_3.png",
    "24": "assets/icon_3.png",
    "32": "assets/icon_3.png",
    "48": "assets/icon_3.png",
    "128": "assets/icon_3.png"
  },
  "permissions": ["storage", "tabs"],
  "host_permissions": ["https://sis.cmb.ac.lk/*"],
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": ["https://sis.cmb.ac.lk/*/results/result_sheet"],
      "js": ["contentScript.js"]
    }
  ],
  "action": {
    "default_icon": {
      "16": "assets/icon_3.png",
      "24": "assets/icon_3.png",
      "32": "assets/icon_3.png"
    },
    "default_title": "UOC GPA Calculator",
    "default_popup": "popup.html"
  },

  "manifest_version": 3
}