interface AnyObject {
	[index: string]: any;
}

export function arrayToObject<T = AnyObject>(propName: string, arr: T[]) {
	return arr.reduce((acc, item: T) => {
		// @ts-ignore
		const propValue = item[propName];
		acc[propValue] = item;
		return acc;
	}, {} as { [index: string]: T });
}

export function liftChildren(propName: string, arr: any) {
	return arr.reduce((acc: any, item: any) => {
		acc.push(item);

		if (item[propName] && Array.isArray(item[propName])) {
			acc.push(...liftChildren(propName, item[propName]));
		}

		return acc;
	}, []);
}