// @flow
import { type List, type Map } from 'immutable';

export const pushInto = <T>(list: List<T>, item: T): List<T> => list.push(item);

export function merge(a: Map<any, Object>, b: Map<any, Object>) {
	return a.merge(b);
}

export const setById = (map: Map<string, any>, item: ?{ id?: string }): Map<string, any> => {
	if (!item || !item.id) {
		return map;
	}
	return map.set(item.id, item);
};