Examine source code of Harvésort: A YouTube Search Tool

{
  "manifest_version": 3,
  "name": "Harvésort",
  "version": "1.1",
  "description": "Harvest, Sort, and Project YouTube search results. Reap what you seek.",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "https://www.youtube.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "yt-sorter@generated-extension",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {},
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "utils.js",
        "datepicker.js",
        "timeline.js",
        "ui.js",
        "engine.js",
        "injector.js",
        "main.js"
      ],
      "run_at": "document_end"
    }
  ]
}