import F1 = require("f1"); const ui = F1(); ui.states({ out: { itemToAnimate1: { variableToAnimate: 0 }, itemToAnimate2: { variableToAnimate: 0 } }, idle: { itemToAnimate1: { variableToAnimate: 1 }, itemToAnimate2: { variableToAnimate: 2 } } }); ui.transitions([ { from: 'idle', to: 'rollOver', animation: { duration: 0.25 } }, { from: 'rollOver', to: 'idle', animation: { duration: 0.1 } } ]);