@jdcfe/yep-react/lib/indexed-list/util.js

一套移动端的React组件库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports._event = _event;
exports.getOffsetTop = getOffsetTop;

function _event(e) {
  if (e.touches && e.touches.length) {
    return e.touches[0];
  }

  if (e.changedTouches && e.changedTouches.length) {
    return e.changedTouches[0];
  }

  return e;
}

function getOffsetTop(elem) {
  var offsetTop = 0;
  /* eslint no-cond-assign: 0 */

  do {
    if (!isNaN(elem.offsetTop)) {
      offsetTop += elem.offsetTop;
    }
  } while (elem = elem.offsetParent);

  return offsetTop;
}