src/utils/clickout.ts

/**
 * 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.
 */

export default {
  bind(el: any, binding: any) {
    function documentHandler(e: any) {
      if (binding.arg) {
        const nodes = document.getElementsByClassName(binding.arg);
        for (const iterator of nodes) {
          if (iterator.contains(e.target)) {
            return false;
          }
        }
      }

      if (el.contains(e.target)) {
        return false;
      }
      if (binding.expression) {
        binding.value(e);
      }
    }
    el.__vueClickOutside__ = documentHandler;
    document.addEventListener('click', documentHandler);
  },
  unbind(el: any) {
    document.removeEventListener('click', el.__vueClickOutside__);
    delete el.__vueClickOutside__;
  },
};