choerodon-ui/lib/_util/isStickySupport.js

An enterprise-class UI design language and React-based implementation

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = isStickySupport;

var _shared = require("choerodon-ui/shared");

function isStickySupport() {
  var STICKY_SUPPORT = _shared.global.STICKY_SUPPORT;

  if (STICKY_SUPPORT !== undefined) {
    return STICKY_SUPPORT;
  }

  if (typeof window !== 'undefined') {
    var vendorList = ['', '-webkit-', '-ms-', '-moz-', '-o-'];
    var stickyElement = document.createElement('div');
    var support = vendorList.some(function (vendor) {
      stickyElement.style.position = "".concat(vendor, "sticky");

      if (stickyElement.style.position !== '') {
        return true;
      }

      return false;
    });
    _shared.global.STICKY_SUPPORT = support;
    return support;
  }

  return true;
}
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