wordpress-plugin_composer.json

{
    "name": "yourName/project-name",
    "description": "project description.",
    "type": "wordpress-plugin",
    "license": "GPLv2",
    "authors": [
        {
            "name": "Your Name",
            "email": "your-email@domain.com"
        }
    ],
    "minimum-stability": "dev",
    "config": {
        "allow-plugins": {
            "dealerdirect/phpcodesniffer-composer-installer": true
        }
    },
    "require-dev": {
        "wp-coding-standards/wpcs": "^3.0"
    },
    "scripts": {
        "lint": "phpcs",
        "lint-fix": "phpcbf"
    }
}