Examine source code of TranslateBase

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "2.1.8",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "translatebase@ideamost.com",
      "strict_min_version": "112.0"
    }
  },
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
  },
  "permissions": [
    "contextMenus",
    "storage",
    "tabs",
    "activeTab"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "/popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start",
      "js": [
        "/lib/languages.js",
        "/lib/detectLanguage.js",
        "/lib/marked.min.js",
        "/lib/purify.min.js"
      ]
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start",
      "js": [
        "content_start.js"
      ]
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_end",
      "js": [
        "/content_script.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "/background.js"
    ],
    "type": "module"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "/popup.html",
        "/popup/login.html",
        "/images/icon-32.png",
        "/images/translated-n.png",
        "/images/translated-y.png",
        "/images/switch-monolingual.png",
        "/images/switch-bilingual.png",
        "/images/extract.png",
        "/images/vocabulary.png",
        "/lib/subtitlesInject.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}