bulma/sass/elements/progress.scss

@use "../utilities/css-variables" as cv;
@use "../utilities/derived-variables" as dv;
@use "../utilities/initial-variables" as iv;
@use "../utilities/extends";
@use "../utilities/mixins" as mx;

$progress-bar-background-color: cv.getVar("border-weak") !default;
$progress-value-background-color: cv.getVar("text") !default;
$progress-border-radius: cv.getVar("radius-rounded") !default;

$progress-indeterminate-duration: 1.5s !default;

$progress-colors: dv.$colors !default;

.#{iv.$class-prefix}progress {
  @include cv.register-vars(
    (
      "progress-border-radius": #{$progress-border-radius},
      "progress-bar-background-color": #{$progress-bar-background-color},
      "progress-value-background-color": #{$progress-value-background-color},
      "progress-indeterminate-duration": #{$progress-indeterminate-duration},
    )
  );
}

.#{iv.$class-prefix}progress {
  @extend %block;

  appearance: none;
  border: none;
  border-radius: cv.getVar("progress-border-radius");
  display: block;
  height: cv.getVar("size-normal");
  overflow: hidden;
  padding: 0;
  width: 100%;

  &::-webkit-progress-bar {
    background-color: cv.getVar("progress-bar-background-color");
  }

  &::-webkit-progress-value {
    background-color: cv.getVar("progress-value-background-color");
  }

  &::-moz-progress-bar {
    background-color: cv.getVar("progress-value-background-color");
  }

  &::-ms-fill {
    background-color: cv.getVar("progress-value-background-color");
    border: none;
  }

  // Colors
  @each $name, $pair in $progress-colors {
    &.#{iv.$class-prefix}is-#{$name} {
      @include cv.register-var(
        "progress-value-background-color",
        #{cv.getVar($name)}
      );
    }
  }

  &:indeterminate {
    animation-duration: cv.getVar("progress-indeterminate-duration");
    animation-iteration-count: infinite;
    animation-name: moveIndeterminate;
    animation-timing-function: linear;
    background-color: cv.getVar("progress-bar-background-color");
    background-image: linear-gradient(
      to right,
      cv.getVar("progress-value-background-color") 30%,
      cv.getVar("progress-bar-background-color") 30%
    );
    background-position: top left;
    background-repeat: no-repeat;
    background-size: 150% 150%;

    &::-webkit-progress-bar {
      background-color: transparent;
    }

    &::-moz-progress-bar {
      background-color: transparent;
    }

    &::-ms-fill {
      animation-name: none;
    }
  }

  // Sizes
  &.#{iv.$class-prefix}is-small {
    height: cv.getVar("size-small");
  }

  &.#{iv.$class-prefix}is-medium {
    height: cv.getVar("size-medium");
  }

  &.#{iv.$class-prefix}is-large {
    height: cv.getVar("size-large");
  }
}

@keyframes moveIndeterminate {
  from {
    background-position: 200% 0;
  }

  to {
    background-position: (-200%) 0;
  }
}