skyquake/plugins/composer/src/src/libraries/getEventPath.js

   1 /**
   2  * Created by onvelocity on 2/3/16.
   3  */
   4 'use strict';
   5 export default function getEventPath(event) {
   6         if (event.path) {
   7                 return event.path;
   8         }
   9         if (event.nativeEvent && event.nativeEvent.path) {
  10                 return event.nativeEvent.path;
  11         }
  12         // for browsers, like IE, that don't have event.path
  13         let node = event.target;
  14         const path = [];
  15         // Array.unshift means put the value on the top of the array
  16         const addToPath = (value) => path.unshift(value);
  17         // warn: some browsers set the root's parent to itself
  18         while (node && node !== node.parentNode) {
  19                 addToPath(node);
  20                 node = node.parentNode;
  21         }
  22         return path;
  23 }