ant-design/components/menu/style/rtl.less

@import '../../style/themes/index';
@import '../../style/mixins/index';

@menu-prefix-cls: ~'@{ant-prefix}-menu';

.@{menu-prefix-cls} {
  &&-rtl {
    direction: rtl;
    text-align: right;
  }

  &-item-group-title {
    .@{menu-prefix-cls}-rtl & {
      text-align: right;
    }
  }

  &-inline,
  &-vertical {
    .@{menu-prefix-cls}-rtl& {
      border-right: none;
      border-left: @border-width-base @border-style-base @border-color-split;
    }
  }

  &-dark&-inline,
  &-dark&-vertical {
    .@{menu-prefix-cls}-rtl& {
      border-left: none;
    }
  }

  &-vertical&-sub,
  &-vertical-left&-sub,
  &-vertical-right&-sub {
    .@{menu-prefix-cls}-rtl& {
      transform-origin: top right;
    }

    > .@{menu-prefix-cls}-item,
    > .@{menu-prefix-cls}-submenu {
      .@{menu-prefix-cls}-rtl& {
        transform-origin: top right;
      }
    }
  }

  &-item,
  &-submenu-title {
    .@{iconfont-css-prefix} {
      .@{menu-prefix-cls}-rtl & {
        margin-right: auto;
        margin-left: @menu-icon-margin-right;
      }
    }

    &.@{menu-prefix-cls}-item-only-child {
      > .@{iconfont-css-prefix} {
        .@{menu-prefix-cls}-rtl & {
          margin-left: 0;
        }
      }
    }
  }

  &-submenu {
    &-vertical,
    &-vertical-left,
    &-vertical-right,
    &-inline {
      > .@{menu-prefix-cls}-submenu-title .@{menu-prefix-cls}-submenu-arrow {
        .@{menu-prefix-cls}-rtl & {
          right: auto;
          left: 16px;
        }
      }
    }

    &-vertical,
    &-vertical-left,
    &-vertical-right {
      > .@{menu-prefix-cls}-submenu-title .@{menu-prefix-cls}-submenu-arrow {
        &::before {
          .@{menu-prefix-cls}-rtl & {
            transform: rotate(-45deg) translateY(-2px);
          }
        }
        &::after {
          .@{menu-prefix-cls}-rtl & {
            transform: rotate(45deg) translateY(2px);
          }
        }
      }
    }
  }

  &-vertical,
  &-vertical-left,
  &-vertical-right,
  &-inline {
    .@{menu-prefix-cls}-item {
      &::after {
        .@{menu-prefix-cls}-rtl& {
          right: auto;
          left: 0;
        }
      }
    }

    .@{menu-prefix-cls}-item,
    .@{menu-prefix-cls}-submenu-title {
      .@{menu-prefix-cls}-rtl& {
        text-align: right;
      }
    }
  }

  &-inline {
    .@{menu-prefix-cls}-submenu-title {
      .@{menu-prefix-cls}-rtl& {
        padding-right: 0;
        padding-left: 34px;
      }
    }
  }

  &-vertical {
    .@{menu-prefix-cls}-submenu-title {
      .@{menu-prefix-cls}-rtl& {
        padding-right: 16px;
        padding-left: 34px;
      }
    }
  }

  &-inline-collapsed&-vertical {
    .@{menu-prefix-cls}-submenu-title {
      .@{menu-prefix-cls}-rtl& {
        padding: 0 ~'calc(50% - @{menu-icon-size-lg} / 2)';
      }
    }
  }

  &-item-group-list {
    .@{menu-prefix-cls}-item,
    .@{menu-prefix-cls}-submenu-title {
      .@{menu-prefix-cls}-rtl & {
        padding: 0 28px 0 16px;
      }
    }
  }

  &-sub&-inline {
    border: 0;
    & .@{menu-prefix-cls}-item-group-title {
      .@{menu-prefix-cls}-rtl& {
        padding-right: 32px;
        padding-left: 0;
      }
    }
  }
}