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About Hinterlander

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  1. Absolutely! I've recreated the issue here: https://codesandbox.io/s/gsap-flip-exploration-v92g0 So as you can see, sorting the data triggers the Flip animation, but clicking an item does not. The click event triggers Vue's lifecycle hooks beforeUpdate() and updated(), but then it's followed by Flip's onLeave() which causes the animation to be suppressed.
  2. Selecting a list-item works but doesn’t animate, because GSAP thinks that div._selected has left the DOM as onLeave() indicates. It’s still there, but in a new position. The beforeUpdate() and updated() lifecycle hooks are where I'm getting the state and performing the flip. As an aside, the animation works correctly when the List.vue data changes. 🤷‍♂️ Any idea how to approach this? --- Places.vue <template> <list> <list-item class="place" v-for="place in places" :key="place.id" @click="selectPlace(place)" :selected="place.id === $store.state.places.selected_record_id"> <div class="name">{{ place.name }}</div> </list-item> </list> </template> <script> export default { name: 'places-page', methods: { selectRecord ({ id }) { this.selected_record = id; } } } </script> ListItem.vue <template> <li class="_item" @click="$emit('click')"> <slot></slot> <!-- This is what moves around --> <div class="_selected" data-flip-id="selected" v-if="selected"> </div> </li> </template> <script> export default { name: 'list-item', props: { selected: { type: Boolean, default: false } } } </script> List.vue <template> <ul class="list-control"> <slot></slot> </ul> </template> <script> export default { name: 'list-control', data () { return { state: null }; }, beforeUpdate () { this.$data.state = Flip.getState(gsap.utils.toArray('.list-control [data-flip-id]')); }, updated () { Flip.from(this.$data.state, { duration: 0.8, ease: 'expo.out', simple: true, nested: true, onEnter: elements => { console.log('*** onEnter', elements); }, // When clicking on an item, this thinks that `div._selected` // has left the DOM and didn’t come back. Seems like // a race condition, but unsure how to proceed since the DOM // should be fully `updated` at this point onLeave: elements => { console.log('*** onLeave', elements); } }); } } </script>