composer.json

{
    "require": {
        "google/apiclient": "^2.10"
    },
    "scripts": {
		"post-install-cmd": [
			"@prefix-dependencies",
			"@remove-vendor"
		],
		"post-update-cmd": [
			"@prefix-dependencies",
			"@remove-vendor"
		],
		"credit-for-these-php-scoper-scripts": "https://github.com/google/site-kit-wp",
		"prefix-dependencies": [
			"@composer --working-dir=php-scoper install",
			"rm -rf third-party",
			"./php-scoper/vendor/bin/php-scoper add --output-dir=./third-party --force --quiet",
			"@autoload-third-party",
			"@composer dump-autoload --no-dev",
			"cp vendor/composer/autoload_files.php third-party/vendor/",
			"@composer dump-autoload"
		],
		"autoload-third-party": [
			"echo '{ \"autoload\": { \"classmap\": [\"\"] } }' > third-party/composer.json",
			"@composer --working-dir=third-party dump-autoload --classmap-authoritative --no-interaction || true",
			"cp third-party/vendor/composer/autoload_classmap.php third-party/",
			"rm -rf third-party/vendor && rm third-party/composer.json",
			"mkdir -p third-party/vendor/composer && mv third-party/autoload_classmap.php third-party/vendor/composer/"
		],
		"remove-vendor": [
			"rm -rf vendor"
		]
	},
    "extra": {
        "google/apiclient-services": [
            "Drive",
            "Sheets"
        ]
    },
	"config": {
		"platform": {
			"php": "7.3"
		}
	}
}