animated.cljs

(defn animated-component []
  (let [fade-anim (ui/animated-value. 0)]
    (r/create-class
      {:component-did-mount
       (fn [this]
         (-> ui/animated
             (.timing fade-anim #js {:toValue 1
                                     :duration 3000})
             (.start)))

       :reagent-render
       (fn []
         [ui/animated-view
          {:style {:background-color "blue"
                   :width 20
                   :height 20
                   :opacity fade-anim}}])}))