Examine source code of Remove URL Parameters

{
  "manifest_version": 2,
  "author": "voidsmith",
  "name": "Remove URL Parameters",
  "description": "Grants ability to easily remove URL parameters when copying a URL or opening it in a new tab",
  "version": "1.0.2",
  "homepage_url": "https://github.com/voidsmith-releases/firefox_addons/tree/master/remove_url_parameters",
  "icons": {
    "16": "icon-remove_url_parameters-16.svg"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "clipboardWrite"
  ],
  "commands": {
    "copy_current_clean_url": {
      "suggested_key": {
        "default": "Ctrl+Alt+C"
      },
      "description": "Copies URL of current tab and removes all parameters"
    }
  }
}