b-b-calculations/dist/engines/items.d.ts

A cart calculation engine for buffalo burger restaurants

import { ICartItem } from '../models/CartItem';
import { IPricedCartItem } from '../models/PricedCartItem';
/**
 * Calculates the total net price and total price for a list of cart items.
 *
 * @param {ICartItem[]} items - Array of cart items, each with `requiredNetPrice`, `requiredTotalPrice`, and `quantity`.
 * @returns {IPricedCartItem} Object containing:
 *  - `netPrice`: Sum of (requiredNetPrice × quantity) for all items
 *  - `totalPrice`: Sum of (requiredTotalPrice × quantity) for all items
 *
 * @example
 * calcItemPrices([
 *   { requiredNetPrice: 10, requiredTotalPrice: 12, quantity: 2 },
 *   { requiredNetPrice: 5, requiredTotalPrice: 6, quantity: 1 }
 * ]);
 * // output: { netPrice: 25, totalPrice: 30 }
 */
export declare function calcItemPrices(items: ICartItem[]): IPricedCartItem;
/**
 * Combines priced items and priced offers into a single array, ignoring undefined values.
 *
 * @param {PricedCartItem} [pricedItems] - Calculated prices for regular cart items.
 * @param {PricedCartItem} [pricedOffers] - Calculated prices for offers.
 * @returns {PricedCartItem[]} Array containing all defined priced items/offers.
 *
 * @example
 * collectPricedCartItems(
 *   { netPrice: 20, totalPrice: 25 },
 *   undefined
 * );
 * // output: [{ netPrice: 20, totalPrice: 25 }]
 */
export declare function collectPricedCartItems(pricedItems?: IPricedCartItem, pricedOffers?: IPricedCartItem): IPricedCartItem[];
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