<template>
  <section class="app-main">
    <!--   -->
    <transition name="fade-transform" mode="out-in">
      <div>
        <router-view v-slot="{ Component }">
          <keep-alive>
            <component v-if="!keep" :is="Component" />
          </keep-alive>
          <component v-if="keep" :is="Component" />
        </router-view>

        <!-- <keep-alive exclude="nocatch">
          <router-view :key="key" v-if="needKeep" />
        </keep-alive>
        <router-view v-if="!needKeep" :key="key" /> -->
      </div>
    </transition>
  </section>
</template>

<script>
import notKeepAliveList from "@/router/notKeepAliveList";
export default {
  name: "AppMain",
  computed: {
    key() {
      return this.$route.path;
    },
    needKeep() {
      return !notKeepAliveList.includes(this.$route.path);
    },
    cachedViews() {
      return this.$store.state.tagsView.cachedViews;
    },
    keep() {
      return this.$route.meta.noCache*1;   // 0是缓存 1是不缓存
    },
  },
};
</script>

<style scoped>
.app-main {
  /*50 = navbar  */
  /* height: calc(100vh - 80px); */
  /* height: 100vh; */
  padding-top: 80px;
  /* min-width: 1440px; */
  position: relative;
  /* overflow: auto; */
  box-sizing: border-box;
  margin-left: 10px;
  margin-top: 20px;
}
.fixed-header + .app-main {
  padding-top: 80px;
}
</style>

<style lang="scss">
// fix css style bug in open el-dialog
.el-popup-parent--hidden {
  .fixed-header {
    padding-right: 15px;
  }
}
</style>
