manifest.json

{
    "manifest_version": 3,
    "name": "Div Selector",
    "version": "1.2",
    "description": "List all divs in a treeview, select and highlight them, and copy their visible text via a DevTools panel.",
    "permissions": ["activeTab", "scripting"],
    "devtools_page": "devtools_panel.html",
    "action": {
        "default_icon": {
            "16": "icon16.png",
            "48": "icon48.png",
            "128": "icon128.png"
        }
    },
    "content_scripts": [
        {
            "matches": ["<all_urls>"],
            "js": [
                "libs/jquery.min.js",
                "content.js"
            ]
        }
    ],
    "web_accessible_resources": [
        {
            "resources": [
                "libs/css/all.min.css",
                "libs/webfonts/fa-solid-900.woff2",
                "libs/webfonts/fa-solid-900.woff",
                "libs/webfonts/fa-solid-900.ttf",
                "libs/jstree.min.js",
                "libs/jstree.min.css"
            ],
            "matches": ["<all_urls>"]
        }
    ]
}