github.hscsec.cn/hashicorp/consul@v1.4.5/ui-v2/app/mixins/click-outside.js (about)

     1  import Mixin from '@ember/object/mixin';
     2  
     3  import { next } from '@ember/runloop';
     4  import { get } from '@ember/object';
     5  const isOutside = function(element, e) {
     6    if (element) {
     7      const isRemoved = !e.target || !document.contains(e.target);
     8      const isInside = element === e.target || element.contains(e.target);
     9      return !isRemoved && !isInside;
    10    } else {
    11      return false;
    12    }
    13  };
    14  const handler = function(e) {
    15    const el = get(this, 'element');
    16    if (isOutside(el, e)) {
    17      this.onblur(e);
    18    }
    19  };
    20  export default Mixin.create({
    21    init: function() {
    22      this._super(...arguments);
    23      this.handler = handler.bind(this);
    24    },
    25    onchange: function() {},
    26    onblur: function() {},
    27    didInsertElement: function() {
    28      this._super(...arguments);
    29      next(this, () => {
    30        document.addEventListener('click', this.handler);
    31      });
    32    },
    33    willDestroyElement: function() {
    34      this._super(...arguments);
    35      document.removeEventListener('click', this.handler);
    36    },
    37  });