const myfetch = (method, url) => {
	return new Promise((resolve, reject) => {
		const errorObj = xhr => {
			return {
				status: xhr.status,
				statusText: xhr.statusText
			}
		}
		const xhr = new XMLHttpRequest();
		xhr.open(method, url);
		xhr.onload = () => {
			if (xhr.status !== 200) {
				reject(errorObj(xhr));
			} else {
				resolve(JSON.parse(xhr.response));
			}
		};
		xhr.onerror = () => reject(errorObj(xhr));
		xhr.send();
	});
}

myfetch('GET', 'https://swapi.dev/api/people/1/')
	.then(luke => console.log(luke))
	.catch(error => console.error('There was an error!', error.statusText));