manifest.json

{
	"manifest_version": 3,
	"name": "Focus Mode",
	"description": "Enable focus mode on Chrome's official Extensions and Chrome Web Store documentation.",
	"version": "1.0",
	"icons": {
		"16": "images/icon-16.png",
		"32": "images/icon-32.png",
		"48": "images/icon-48.png",
		"128": "images/icon-128.png"
	},
	"background": {
		"service_worker": "background.js"
	},
	"action": {
		"default_popup": "popup.html",
		"default_icon": {
			"16": "images/icon-16.png",
			"32": "images/icon-32.png",
			"48": "images/icon-48.png",
			"128": "images/icon-128.png"
		}
	},
	"content_scripts": [
		{
			"matches": ["https://web.whatsapp.com/*"],
			"js": ["content.js"]
		}
	],
	"permissions": ["scripting", "activeTab", "alarms"],
	"commands": {
		"_execute_action": {
			"suggested_key": {
				"default": "Ctrl+B",
				"mac": "Command+B"
			}
		}
	}
}