naive-ui/styles/Timeline.scss

@import './mixins/mixins.scss';
@import './themes/vars.scss';

$--timeline-header-font-size: (
  'medium': 14px,
  'large': 16px
);

$--timeline-header-margin-top: (
  'medium': 0,
  'large': -1px
);

@mixin timeline-type-mixin ($type) {
  @include m($type + '-type') {
    @include b(timeline-item-timeline) {
      @include e(circle) {
        border-color: map-get($--timeline-item-circle-border-color, $type);
      }
    }
  }
}

@mixin timeline-size-mixin ($size) {
  @include m($size + '-size') {
    @include b(timeline-item) {
      @include b(timeline-item-content) {
        @include e(title) {
          margin-top: map-get($--timeline-header-margin-top, $size)
        }
        @include e(title) {
          font-size: map-get($--timeline-header-font-size, $size);
        }
      }
    }
  }
}

@include themes-mixin {
  @include b(timeline) {
    @include once {
      @include timeline-size-mixin ("medium");
      @include timeline-size-mixin ("large");
      position: relative;
      width: 100%;
      display: flex;
      flex-direction: column;
      @include m(left-placement) {
        @include b(timeline-item) {
          @include b(timeline-item-content) {
            text-align: right;
            margin-right: 26px;
          }
          @include b(timeline-item-timeline) {
            width: 14px;
            right: 0;
          }
        }
      }
      @include m(right-placement) {
        @include b(timeline-item) {
          @include b(timeline-item-content) {
            margin-left: 26px;
          }
          @include b(timeline-item-timeline) {
            left: 0;
          }
        }
      }
    }
    @include b(timeline-item) {
      @include timeline-type-mixin('default');
      @include timeline-type-mixin('success');
      @include timeline-type-mixin('info');
      @include timeline-type-mixin('warning');
      @include timeline-type-mixin('error');
      @include once {
        position: relative;
        &:last-child {
          @include b(timeline-item-timeline) {
            @include e(line) {
              display: none;
            }
          }
        }
      }
      @include b(timeline-item-content) {
        @include e(title) {
          @include once {
            transition: color .3s $default-cubic-bezier;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 6px;
          }
          color: $--timeline-item-title-color;
        }
        @include e(content) {
          @include once {
            transition: color .3s $default-cubic-bezier;
            font-size: 14px;
          }
          color: $--timeline-item-content-color;
        }
        @include e(meta) {
          @include once {
            transition: color .3s $default-cubic-bezier;
            font-size: 12px;
            margin-top: 6px;
            margin-bottom: 20px;
          }
          color: $--timeline-item-meta-color;
        }
      }
      @include b(timeline-item-timeline) {
        @include once {
          width: 26px;
          position: absolute;
          top: 2px;
          bottom: 0;
          height: 100%;
        }
        @include once {
          @include e(circle) {
            transition: background-color .3s $default-cubic-bezier, border-color .3s $default-cubic-bezier;
            width: 14px;
            height: 14px;
            border-radius: 7px;
            box-sizing: border-box;
            border-style: solid;
            border-width: 2px;
          }
        }
        @include e(line) {
          @include once {
            transition: background-color .3s $default-cubic-bezier;
            position: absolute;
            top: 14px;
            left: 6px;
            bottom: 0px;
            width: 2px;
          }
          background-color: $--timeline-line-background-color;
        }
      }
    }
  }
}