manifest.json

{
    "manifest_version": 3,
    "name": "Cambridge Dictionary",
    "version": "1.0",
    "description": "A Cambridge dictionary extension to search a word directly in any web page",
    "author": "github.com/hainh",
    "icons": {
        "16": "icon16.png",
        "48": "icon48.png",
        "128": "icon128.png"
    },
    "incognito": "spanning",
    "action": {
        "default_title": "Cambridge Dictionary",
        "default_popup": "popup/popup.html"
    },
    "permissions": [
        "storage",
        "tabs",
        "activeTab"
    ],
    "background": {
        "service_worker": "worker.js",
        "type": "module"
    },
    "commands": {
        "toggle-translation": {
            "suggested_key": "Ctrl+Shift+Q",
            "description": "Activate the extension"
        },
        "close-all-definition-windows": {
            "suggested_key": "Ctrl+Shift+Z",
            "description": "Close all definition windows in current tab"
        }
    },
    "content_scripts": [{
        "matches": ["<all_urls>"],
        "css": ["content/dict.css", "content/tab.css"],
        "js": [
            "content/jQuery.js",
            "content/mustache.js",
            "content/switchtab.js",
            "content/dict.js"
        ]
    }],
    "host_permissions": [
        "https://dictionary.cambridge.org/"
    ]
}