$enable-rtl-support: false;
$enable-light-style: true;
$enable-material-style: false;
$enable-dark-style: false;

@mixin feature-ltr($as-child: true) {
  @if $enable-rtl-support {
    @if $as-child {
      html:not([dir=rtl]) & { @content; }
    } @else {
      html:not([dir=rtl]) { @content; }
    }
  } @else {
    @content;
  }
}

@mixin feature-ltr-style() {
  @if $enable-rtl-support {
    &:not([dir=rtl]) { @content; }
  } @else {
    @content;
  }
}

@mixin feature-rtl($as-child: true) {
  @if $enable-rtl-support {
    @if $as-child {
      [dir=rtl] & { @content; }
    } @else {
      [dir=rtl] { @content; }
    }
  }
}

@mixin feature-rtl-style() {
  @if $enable-rtl-support {
    &[dir=rtl] { @content; }
  }
}