ui/src/layouts/RouteView.vue

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

<script>
export default {
  name: 'RouteView',
  data () {
    return {}
  },
  render () {
    const { $route: { meta }, $store: { getters } } = this
    const inKeep = (
      <keep-alive>
        <router-view />
      </keep-alive>
    )
    const notKeep = (
      <router-view />
    )
    if (meta.keepAlive === false) {
      return notKeep
    }
    return getters.multiTab || meta.keepAlive ? inKeep : notKeep
  }
}
</script>