Examine source code of ttv ultimate adblock

{
  "name": "ttv ultimate adblock",
  "version": "1.0.5",
  "description": "directly remove elements of the m3u8 playlist",
  "manifest_version": 2,
  "icons": {
    "48": "Troll48.png",
    "96": "Troll96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ttv-hls-adblock@pog"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitch.tv/*"
      ],
      "js": [
        "contentscript.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "lib.js",
    "injected.js"
  ]
}