antd/es/_util/styleChecker.js

An enterprise-class UI design language and React components implementation

import canUseDom from "rc-util/es/Dom/canUseDom";
import { isStyleSupport } from "rc-util/es/Dom/styleChecker";
export var canUseDocElement = function canUseDocElement() {
  return canUseDom() && window.document.documentElement;
};
export { isStyleSupport };
var flexGapSupported;
export var detectFlexGapSupported = function detectFlexGapSupported() {
  if (!canUseDocElement()) {
    return false;
  }
  if (flexGapSupported !== undefined) {
    return flexGapSupported;
  }
  // create flex container with row-gap set
  var flex = document.createElement('div');
  flex.style.display = 'flex';
  flex.style.flexDirection = 'column';
  flex.style.rowGap = '1px';
  // create two, elements inside it
  flex.appendChild(document.createElement('div'));
  flex.appendChild(document.createElement('div'));
  // append to the DOM (needed to obtain scrollHeight)
  document.body.appendChild(flex);
  flexGapSupported = flex.scrollHeight === 1; // flex container should be 1px high from the row-gap
  document.body.removeChild(flex);
  return flexGapSupported;
};