Examine source code of diffs.dev

{
  "manifest_version" : 3 ,
  "name" : "diffs.dev",
  "version" : "0.0.9",
  "description" : "Streamlines opening diffs in the diffs.dev Diff Viewer.",
  "permissions" : [
    "tabs" ,
    "storage" ,
    "contextMenus" 
  ],
  "icons" : {
    "128" : "favicon.png"
  },
  "action" : {
    "default_title" : "diffs.dev",
    "default_icon" : {
      "128" : "favicon.png"
    },
    "default_popup" : "popup.html"
  },
  "background" : {
    "scripts" : [
      "worker.js" 
    ],
    "type" : "module" 
  },
  "options_ui" : {
    "page": "options.html" ,
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "patch-roulette@papermc.io"
    }
  }
}