@aplus-frontend/antdv/es/dropdown/style/button.js

Vue basic component library maintained based on ant-design-vue

const genButtonStyle = token => {
  const {
    componentCls,
    antCls,
    paddingXS,
    opacityLoading
  } = token;
  return {
    [`${componentCls}-button`]: {
      whiteSpace: 'nowrap',
      [`&${antCls}-btn-group > ${antCls}-btn`]: {
        [`&-loading, &-loading + ${antCls}-btn`]: {
          cursor: 'default',
          pointerEvents: 'none',
          opacity: opacityLoading
        },
        [`&:last-child:not(:first-child):not(${antCls}-btn-icon-only)`]: {
          paddingInline: paddingXS
        }
      }
    }
  };
};
export default genButtonStyle;