此规则强制return语句在computed属性中得完整存在。

<script>
export default {computed: {/* ✓ GOOD */foo () {if (this.bar) {return this.baz} else {return this.baf}},bar: function () {return false},/* ✗ BAD */baz () {if (this.baf) {return this.baf}},baf: function () {}}
}
</script>