import Cors from 'cors';

function initMiddleware(middleware) 
{
	return (req, res) => 
		new Promise((resolve, reject) => 
		{
			middleware(req, res, (result) => 
			{
				if (result instanceof Error)
				{
					return reject(result);
				}

				return resolve(result);
			});
		});
}

const cors = initMiddleware(
	Cors({
		origin: JSON.parse(process.env.ORIGINS), 
		methods: ['GET', 'POST', 'OPTIONS'],
	})
)

export { cors };