export function getDrawerSxTransitionMixin(isExpanded, property) { return { transition: (theme) => theme.transitions.create(property, { easing: theme.transitions.easing.sharp, duration: isExpanded ? theme.transitions.duration.enteringScreen : theme.transitions.duration.leavingScreen, }), }; } export function getDrawerWidthTransitionMixin(isExpanded) { return { ...getDrawerSxTransitionMixin(isExpanded, 'width'), overflowX: 'hidden', }; }