tools_auto_web/node_modules/antd/es/menu/style/rtl.js

import { unit } from '@ant-design/cssinjs';
const getRTLStyle = ({
  componentCls,
  menuArrowOffset,
  calc
}) => ({
  [`${componentCls}-rtl`]: {
    direction: 'rtl'
  },
  [`${componentCls}-submenu-rtl`]: {
    transformOrigin: '100% 0'
  },
  // Vertical Arrow
  [`${componentCls}-rtl${componentCls}-vertical,
    ${componentCls}-submenu-rtl ${componentCls}-vertical`]: {
    [`${componentCls}-submenu-arrow`]: {
      '&::before': {
        transform: `rotate(-45deg) translateY(${unit(calc(menuArrowOffset).mul(-1).equal())})`
      },
      '&::after': {
        transform: `rotate(45deg) translateY(${unit(menuArrowOffset)})`
      }
    }
  }
});
export default getRTLStyle;