fuliqi
2024-07-17 dd1bb5e756d7dbebf0140deb8e2510c1cbbd81db
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<template>
  <div v-if="!item.hidden">
    <template v-if="hasOneShowingChild(item.children,item) && (!onlyOneChild.children||onlyOneChild.noShowingChildren)&&!item.alwaysShow">
      <app-link v-if="onlyOneChild.meta" :to="resolvePath(onlyOneChild.path, onlyOneChild.query)">
        <el-menu-item :index="resolvePath(onlyOneChild.path)" :class="{'submenu-title-noDropdown':!isNest}">
          <item :icon="onlyOneChild.meta.icon||(item.meta&&item.meta.icon)" :title="onlyOneChild.meta.title" />
        </el-menu-item>
      </app-link>
    </template>
 
    <el-submenu v-else ref="subMenu" :index="resolvePath(item.path)" popper-append-to-body>
      <template slot="title">
        <item v-if="item.meta" :icon="item.meta && item.meta.icon" :title="item.meta.title" />
      </template>
      <sidebar-item
        v-for="(child, index) in item.children"
        :key="child.path + index"
        :is-nest="true"
        :item="child"
        :base-path="resolvePath(child.path)"
        class="nest-menu"
      />
    </el-submenu>
  </div>
</template>
  <script>
    import path from 'path'
    import { isExternal } from '@/utils/validate'
    import Item from './Item'
    import AppLink from './Link'
    import FixiOSBug from './FixiOSBug'
 
    export default {
      name: 'SidebarItem',
      components: { Item, AppLink },
      mixins: [FixiOSBug],
      props: {
        // route object
        item: {
          type: Object,
          required: true
        },
        isNest: {
          type: Boolean,
          default: false
        },
        basePath: {
          type: String,
          default: ''
        }
      },
      data() {
        this.onlyOneChild = null
        return {}
      },
      methods: {
        hasOneShowingChild(children = [], parent) {
          if (!children) {
            children = [];
          }
          const showingChildren = children.filter(item => {
            if (item.hidden) {
              return false
            } else {
              // Temp set(will be used if only has one showing child)
              this.onlyOneChild = item
              return true
            }
          })
 
          // When there is only one child router, the child router is displayed by default
          if (showingChildren.length === 1) {
            return true
          }
 
          // Show parent if there are no child router to display
          if (showingChildren.length === 0) {
            this.onlyOneChild = { ... parent, path: '', noShowingChildren: true }
            return true
          }
 
          return false
        },
        resolvePath(routePath, routeQuery) {
          if (isExternal(routePath)) {
            return routePath
          }
          if (isExternal(this.basePath)) {
            return this.basePath
          }
          if (routeQuery) {
            let query = JSON.parse(routeQuery);
            return { path: path.resolve(this.basePath, routePath), query: query }
          }
          return path.resolve(this.basePath, routePath)
        }
      }
    }
  </script>