Standalone WhatsApp Web

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Standalone WhatsApp Web",
    "version": "0.3.1",
    "description": "Open WhatsApp Web in a standalone popup window",
    "manifest_version": 3,
    "permissions": [
        "contextMenus",
        "tabs",
        "scripting"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "content_scripts": [
        {
            "matches": [
                "https:\/\/web.whatsapp.com\/"
            ],
            "js": [
                "contentScript.js"
            ],
            "all_frames": false
        }
    ],
    "host_permissions": [
        "https:\/\/web.whatsapp.com\/"
    ],
    "icons": {
        "128": "assets\/icon128.png"
    },
    "action": {
        "default_icon": {
            "128": "assets\/icon128.png"
        },
        "default_title": "Standalone WhatsApp Web"
    },
    "commands": {
        "_execute_action": {
            "suggested_key": {
                "default": "Alt+W"
            }
        }
    }
}