woocommerce/tools/release-posts/lib/environment.ts

/**
 * External dependencies
 */
import { Logger } from 'cli-core/src/logger';

export const getEnvVar = ( varName: string, isRequired = false ) => {
	const value = process.env[ varName ];

	if ( value === undefined && isRequired ) {
		Logger.error(
			`You need to provide a value for ${ varName } in your environment either via an environment variable or the .env file.`
		);
	}

	return value || '';
};