Lyrics for YouTube Music

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Lyrics for YouTube Music",
  "version": "3.4.0",
  "description": "Search and show lyrics for YouTube Music, from Melon and Genius.",
  "permissions": [
    "storage",
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "https://*.genius.com/",
    "https://*.melon.com/",
    "*://music.youtube.com/*"
  ],
  "action": {
    "default_icon": {
      "128": "./assets/128.png"
    },
    "default_title": "Lyrics For YouTube Music",
    "default_popup": "popup.html"
  },
  "icons": {
    "128": "./assets/128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://music.youtube.com/*"
      ],
      "js": [
        "script.js"
      ]
    }
  ],
  "background": {
    "service_worker": "service_worker.js",
    "type": "module"
  },
  "manifest_version": 3
}