@material/select/_select-helper-text.scss

//
// Copyright 2020 Google Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//

@use '@material/animation/variables';
@use '@material/feature-targeting/feature-targeting';
@use '@material/rtl/rtl';
@use '@material/typography/mixins' as typography-mixins;

@mixin helper-text-core-styles($query: feature-targeting.all()) {
  $feat-animation: feature-targeting.create-target($query, animation);
  $feat-structure: feature-targeting.create-target($query, structure);

  .mdc-select-helper-text {
    @include feature-targeting.targets($feat-structure) {
      margin: 0;
      @include rtl.reflexive-property(margin, 16px, 16px);
    }
    @include typography-mixins.typography(caption, $query: $query);
    @include typography-mixins.text-baseline(16px, $query: $query);
  }

  .mdc-select-helper-text--validation-msg {
    @include feature-targeting.targets($feat-structure) {
      opacity: 0;
    }

    @include feature-targeting.targets($feat-animation) {
      transition: opacity 180ms variables.$standard-curve-timing-function;
    }
  }

  .mdc-select--invalid + .mdc-select-helper-text--validation-msg,
  .mdc-select-helper-text--validation-msg-persistent {
    @include feature-targeting.targets($feat-structure) {
      opacity: 1;
    }
  }
}