import * as fs from 'fs';
import {loadUniverseYaml, Universe} from '../modeling';

export async function loadUniverseFromFile(filePath: string): Promise<Universe | undefined> {
	return new Promise<Universe | undefined>((resolve) => {
		fs.readFile(filePath, 'utf8', async (err, data) => {
			if (err) {
				resolve(undefined);
				return;
			}
			resolve(loadUniverseYaml(data));
		})
	});
}