naive-ui/styles/Popover.scss

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

@mixin popover-transition {
  &.n-popover-fade-enter-to, &.n-popover-fade-leave {
    transform:  scaleX(.999999); // scale is set to 99999 to get rid of a ridiculous render bug of chrome
    opacity: 1;
  }
  &.n-popover-fade-enter, &.n-popover-fade-leave-to {
    opacity: 0;
    transform: scale(.85);
  }
  &.n-popover-fade-enter-active {
    transition: opacity .15s $fast-in-cubic-bezier, transform .15s $fast-in-cubic-bezier;
  }
  &.n-popover-fade-leave-active {
    transition: opacity .15s $slow-out-cubic-bezier, transform .15s $slow-out-cubic-bezier;
  }
}

@include themes-mixin {
  @include b(popover-content) {
    $popover-arrow-width: 6px;
    @include once {
      transition: background-color .3s $default-cubic-bezier, color .3s $default-cubic-bezier;
      @include popover-transition;
      transform-origin: inherit;
      transform: scale(.99999);
      position: relative;
      border-radius: 6px;
      font-size: 12px;
      opacity: 1;
      @include m(without-arrow) {
        &[n-placement$="top-start"] {
          margin-bottom: 6px;
        }
        &[n-placement$="top"] {
          margin-bottom: 6px;
        }
        &[n-placement$="top-end"] {
          margin-bottom: 6px;
        }
        &[n-placement$="bottom-start"] {
          margin-top: 6px;
        }
        &[n-placement$="bottom"] {
          margin-top: 6px;
        }
        &[n-placement$="bottom-end"] {
          margin-top: 6px;
        }
        &[n-placement$="left-start"] {
          margin-right: 6px;
        }&[n-placement$="left"] {
          margin-right: 6px;
        }
        &[n-placement$="left-end"] {
          margin-right: 6px;
        }
        &[n-placement$="right-start"] {
          margin-left: 6px;
        }
        &[n-placement$="right"] {
          margin-left: 6px;
        }
        &[n-placement$="right-end"] {
          margin-left: 6px;
        }
      } 
    }
    &[n-placement$="top-start"] {
      @include once {
        margin-bottom: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          bottom: -2 * $popover-arrow-width;
          left: 10px;
        }
        border-top-color: $--popover-background-color;
      }
    }
    &[n-placement$="top"] {
      @include once {
        margin-bottom: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          bottom: -2 * $popover-arrow-width;
          transform: translateX(-$popover-arrow-width);
          left: 50%;
        }
        border-top-color: $--popover-background-color;
      }
    }
    &[n-placement$="top-end"] {
      @include once {
        margin-bottom: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          bottom: -2 * $popover-arrow-width;
          right: 10px;
        } 
        border-top-color: $--popover-background-color;
      }
    }
    &[n-placement$="bottom-start"] {
      @include once {
        margin-top: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          top: -2 * $popover-arrow-width;
          left: 10px;
        }
        border-bottom-color: $--popover-background-color;
      }
    }
    &[n-placement$="bottom"] {
      @include once {
        margin-top: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          top: -2 * $popover-arrow-width;
          transform: translateX(-$popover-arrow-width);
          left: 50%;
        }
        border-bottom-color: $--popover-background-color;
      }
    }
    &[n-placement$="bottom-end"] {
      @include once {
        margin-top: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          top: -2 * $popover-arrow-width;
          right: 10px;
        }
        border-bottom-color: $--popover-background-color;
      }
    }
    &[n-placement$="left-start"] {
      @include once {
        margin-right: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          right: -2 * $popover-arrow-width;
          top: 10px;
        }
        border-left-color: $--popover-background-color;
      }
    }
    &[n-placement$="left"] {
      @include once {
        margin-right: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          right: -2 * $popover-arrow-width;
          transform: translateY(-$popover-arrow-width);
          top: 50%;
        }
        border-left-color: $--popover-background-color;
      }
    }
    &[n-placement$="left-end"] {
      @include once {
        margin-right: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          right: -2 * $popover-arrow-width;
          bottom: 10px;
        }
        border-left-color: $--popover-background-color;
      }
    }
    &[n-placement$="right-start"] {
      @include once {
        margin-left: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          left: -2 * $popover-arrow-width;
          top: 10px;
        }
        border-right-color: $--popover-background-color;
      }
    }
    &[n-placement$="right"] {
      @include once {
        margin-left: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          left: -2 * $popover-arrow-width;
          transform: translateY(-$popover-arrow-width);
          top: 50%;
        }
        border-right-color: $--popover-background-color;
      }
    }
    &[n-placement$="right-end"] {
      @include once {
        margin-left: 10px;
      }
      @include b(popover-arrow) {
        @include once {
          left: -2 * $popover-arrow-width;
          bottom: 10px;
        }
        border-right-color: $--popover-background-color;
      }
    }
    background-color: $--popover-background-color;
    color: $--popover-color;
    @include not-m(without-shadow) {
      box-shadow: $--popover-box-shadow;
    }
    @include b(popover-arrow) {
      transition: border-color .3s $default-cubic-bezier;
      border-width: 6px;
      pointer-events: none;
      position: absolute;
      display: block;
      width: 0;
      height: 0;
      border-color: transparent;
      border-style: solid;
    }
  }
}