interface _PosCart { /** * Fetch the current cart. */ fetch?(): Promise; /** * Subscribe the cart changes. */ subscribe?(onSubscribe: CartSubscriber): Unsubscribe; /** * Add a new or existing customer to the cart. */ setCustomer?(customer: Customer): Promise; /** * Remove the current customer from the cart. */ removeCustomer?(): Promise; /** * Add a new address to a customer. */ addAddress?(address: Address): Promise; /** * Update an address for a customer. */ updateAddress?(index: number, address: Address): Promise; /** * Apply a percentage or fixed amount discount to the whole cart. */ applyCartDiscount?( type: DiscountType, discountDescription: string, amount: string, ): Promise; /** * Apply a code discount to the whole cart. */ applyCartCodeDiscount?(code: string): Promise; /** * Remove the discount applied to the whole cart. */ removeCartDiscount?(): Promise; /** * Clears all applied discounts from the cart and optionally disables automatic discounts. */ removeAllDiscounts?(disableAutomaticDiscounts: boolean): Promise; /** * Add properties for the cart. */ addCartProperties?(properties: Record): Promise; /** * Remove properties from the cart. */ removeCartProperties?(keys: string[]): Promise; /** * Add custom sale for the cart. */ addCustomSale?(customSale: CustomSale): Promise; /** * Clear all contents from the cart. */ clear?(): Promise; /** * Add a product to the cart. */ addLineItem?(variantId: number, quantity: number): Promise; /** * Make changes to a line item in the cart. */ updateLineItem?(uuid: string, quantity: number): Promise; /** * Remove a line item in the cart. */ removeLineItem?(uuid: string): Promise; /** * Apply a discount to a line item. */ setLineItemDiscount?( uuid: string, type: DiscountType, discountDescription: string, amount: string, ): Promise; /** * Remove a discount from a line item. */ removeLineItemDiscount?(uuid: string): Promise; /** * Add properties to a line item. */ addLineItemProperties?( uuid: string, properties: Record, ): Promise; /** * Remove properties from a line item. */ removeLineItemProperties?(uuid: string, properties: string[]): Promise; }