cypress/support/commands/setAdFreeCookie.ts

declare global {
	// eslint-disable-next-line @typescript-eslint/no-namespace
	namespace Cypress {
		interface Chainable {
			setAdFreeCookie: typeof setAdFreeCookie;
		}
	}
}

/**
 * Set the GU_AF1 cookie dropped by Support-Frontedn if a user as purchased a digital subscription.
 * Default expiry is Now + 1 day in millis
 * https://github.com/guardian/support-frontend/blob/728ff9fb6ef1e955d9b878c56a59392426f65db8/support-frontend/app/controllers/CreateSubscriptionController.scala#L156
 * @param expiryInDays when the cookie should expire (can also be in the past eg. -1)
 */
export const setAdFreeCookie = (expiryInDays = 1) => {
	const tz = Date.now() + 1000 * 60 * 60 * 24 * expiryInDays;
	return cy.setCookie('GU_AF1', tz.toString(), {
		log: true,
	});
};