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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Move Animations</title>
<style>
.container {
position: relative;
padding: 0;
}
.item {
width: 100%;
height: 30px;
background-color: #f3f3f3;
border: 1px solid #666;
box-sizing: border-box;
}
/* 1. declare transition */
.fade-move, .fade-enter-active, .fade-leave-active {
transition: all .5s cubic-bezier(.55,0,.1,1);
}
/* 2. declare enter from and leave to state */
.fade-enter, .fade-leave-to {
opacity: 0;
transform: scaleY(0.01) translate(30px, 0);
}
/* 3. ensure leaving items are taken out of layout flow so that moving
animations can be calculated correctly. */
.fade-leave-active {
position: absolute;
}
</style>
<script src="https://cdn.jsdelivr.net/lodash/4.3.0/lodash.min.js"></script>
<!-- Delete ".min" for console warnings in development -->
<script src="/javascript/vue/vue.min.js"></script>
</head>
<body>
<div id="el">
<button @click="insert">insert at random index</button>
<button @click="reset">reset</button>
<button @click="shuffle">shuffle</button>
<transition-group tag="ul" name="fade" class="container">
<item v-for="item in items"
class="item"
:msg="item"
:key="item"
@rm="remove(item)">
</item>
</transition-group>
</div>
<script>
var items = [1, 2, 3, 4, 5]
var id = items.length + 1
var vm = new Vue({
el: '#el',
data: {
items: items
},
components: {
item: {
props: ['msg'],
template: `<div>{{ msg }} <button @click="$emit('rm')">x</button></div>`
}
},
methods: {
insert () {
var i = Math.round(Math.random() * this.items.length)
this.items.splice(i, 0, id++)
},
reset () {
this.items = [1, 2, 3, 4, 5]
},
shuffle () {
this.items = _.shuffle(this.items)
},
remove (item) {
var i = this.items.indexOf(item)
if (i > -1) {
this.items.splice(i, 1)
}
}
}
})
</script>
</body>
</html>
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