src/components/element-ui/DragSelect/index.vue

-<template>
-  <el-select ref="dragSelect" v-model="selectVal" v-bind="$attrs" class="drag-select" multiple v-on="$listeners">
-    <slot/>
-  </el-select>
-</template>
-
-<script>
-import Sortable from 'sortablejs'
-
-export default {
-  name: 'DragSelect',
-  props: {
-    value: {
-      type: Array,
-      required: true
-    }
-  },
-  computed: {
-    selectVal: {
-      get() {
-        return [...this.value]
-      },
-      set(val) {
-        this.$emit('input', [...val])
-      }
-    }
-  },
-  mounted() {
-    this.setSort()
-  },
-  methods: {
-    setSort() {
-      const el = this.$refs.dragSelect.$el.querySelectorAll('.el-select__tags > span')[0]
-      this.sortable = Sortable.create(el, {
-        ghostClass: 'sortable-ghost', // Class name for the drop placeholder,
-        setData: function(dataTransfer) {
-          dataTransfer.setData('Text', '')
-          // to avoid Firefox bug
-          // Detail see : https://github.com/RubaXa/Sortable/issues/1012
-        },
-        onEnd: evt => {
-          const targetRow = this.value.splice(evt.oldIndex, 1)[0]
-          this.value.splice(evt.newIndex, 0, targetRow)
-        }
-      })
-    }
-  }
-}
-</script>
-
-<style scoped>
-.drag-select >>> .sortable-ghost{
-  opacity: .8;
-  color: #fff!important;
-  background: #42b983!important;
-}
-
-.drag-select >>> .el-tag{
-  cursor: pointer;
-}
-</style>

src/components/element-ui/ErrorLog/index.vue

-<template>
-  <div v-if="errorLogs.length>0">
-    <el-badge :is-dot="true" style="line-height: 25px;margin-top: -5px;" @click.native="dialogTableVisible=true">
-      <el-button style="padding: 8px 10px;" size="small" type="danger">
-        <svg-icon icon-class="bug" />
-      </el-button>
-    </el-badge>
-
-    <el-dialog :visible.sync="dialogTableVisible" title="Error Log" width="80%">
-      <el-table :data="errorLogs" border>
-        <el-table-column label="Message">
-          <template slot-scope="scope">
-            <div>
-              <span class="message-title">Msg:</span>
-              <el-tag type="danger">{{ scope.row.err.message }}</el-tag>
-            </div>
-            <br>
-            <div>
-              <span class="message-title" style="padding-right: 10px;">Info: </span>
-              <el-tag type="warning">{{ scope.row.vm.$vnode.tag }} error in {{ scope.row.info }}</el-tag>
-            </div>
-            <br>
-            <div>
-              <span class="message-title" style="padding-right: 16px;">Url: </span>
-              <el-tag type="success">{{ scope.row.url }}</el-tag>
-            </div>
-          </template>
-        </el-table-column>
-        <el-table-column label="Stack">
-          <template slot-scope="scope">
-            {{ scope.row.err.stack }}
-          </template>
-        </el-table-column>
-      </el-table>
-    </el-dialog>
-
-  </div>
-</template>
-
-<script>
-export default {
-  name: 'ErrorLog',
-  data: function() {
-    return {
-      dialogTableVisible: false
-    }
-  },
-  computed: {
-    errorLogs() {
-      return this.$store.getters.errorLogs
-    }
-  }
-}
-</script>
-
-<style scoped>
-.message-title {
-  font-size: 16px;
-  color: #333;
-  font-weight: bold;
-  padding-right: 8px;
-}
-</style>