element-ui/lib/utils/clickoutside.js

A Component Library for Vue.js.

'use strict';

exports.__esModule = true;

var _event = require('wind-dom/src/event');

var nodeList = [];
var ctx = '@@clickoutsideContext';

(0, _event.on)(document, 'click', function (e) {
  nodeList.forEach(function (node) {
    return node[ctx].documentHandler(e);
  });
});
/**
 * v-clickoutside
 * @desc 点击元素外面才会触发的事件
 * @example
 * ```vue
 * <div v-element-clickoutside="handleClose">
 * ```
 */
exports.default = {
  bind: function bind(el, binding, vnode) {
    var id = nodeList.push(el) - 1;
    var documentHandler = function documentHandler(e) {
      if (!vnode.context || el.contains(e.target) || vnode.context.popperElm && vnode.context.popperElm.contains(e.target)) return;

      if (binding.expression) {
        el[ctx].methodName && vnode.context[el[ctx].methodName] && vnode.context[el[ctx].methodName]();
      } else {
        el[ctx].bindingFn && el[ctx].bindingFn();
      }
    };
    el[ctx] = {
      id: id,
      documentHandler: documentHandler,
      methodName: binding.expression,
      bindingFn: binding.value
    };
  },
  update: function update(el, binding) {
    el[ctx].methodName = binding.expression;
    el[ctx].bindingFn = binding.value;
  },
  unbind: function unbind(el) {
    var len = nodeList.length;

    for (var i = 0; i < len; i++) {
      if (nodeList[i][ctx].id === el[ctx].id) {
        nodeList.splice(i, 1);
        break;
      }
    }
  }
};