Youtube Playlist Duration Calculator

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "2.1.2",
  "manifest_version": 3,
  "name": "Youtube Playlist Duration Calculator",
  "short_name": "YTPD Calc",
  "description": "An extension to calculate & display the total duration of a youtube playlist.",
  "default_locale": "en",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "action": {
    "default_icon": {
      "16": "icon16.png"
    },
    "default_title": "YTPD Calculator"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "run_at": "document_end",
      "js": [
        "src/main.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "host_permissions": [
    "https://www.youtube.com/*"
  ]
}