Update dependency sass to v1.79.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
sass	1.78.0 -> 1.79.1

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Release Notes

sass/dart-sass (sass)

v1.79.1

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• No user-visible changes.

v1.79.0

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• Breaking change: Passing a number with unit % to the $alpha parameter
  of color.change(), color.adjust(), change-color(), and adjust-color()
  is now interpreted as a percentage, instead of ignoring the unit. For example,
  color.change(red, $alpha: 50%) now returns rgb(255 0 0 / 0.5).

• Potentially breaking compatibility fix: Sass no longer rounds RGB channels
  to the nearest integer. This means that, for example, rgb(0 0 1) != rgb(0 0 0.6). This matches the latest version of the CSS spec and browser behavior.

• Potentially breaking compatibility fix: Passing large positive or negative
  values to color.adjust() can now cause a color's channels to go outside that
  color's gamut. In most cases this will currently be clipped by the browser and
  end up showing the same color as before, but once browsers implement gamut
  mapping it may produce a different result.

• Add support for CSS Color Level 4 color spaces. Each color value now tracks
  its color space along with the values of each channel in that color space.
  There are two general principles to keep in mind when dealing with new color
  spaces:

  1. With the exception of legacy color spaces (rgb, hsl, and hwb), colors
     will always be emitted in the color space they were defined in unless
     they're explicitly converted.

  2. The color.to-space() function is the only way to convert a color to
     another color space. Some built-in functions may do operations in a
     different color space, but they'll always convert back to the original space
     afterwards.

• rgb colors can now have non-integer channels and channels outside the normal
  gamut of 0-255. These colors are always emitted using the rgb() syntax so
  that modern browsers that are being displayed on wide-gamut devices can
  display the most accurate color possible.

• Add support for all the new color syntax defined in Color Level 4, including:

  • oklab(), oklch(), lab(), and lch() functions;
  • a top-level hwb() function that matches the space-separated CSS syntax;
  • and a color() function that supports the srgb, srgb-linear,
    display-p3, a98-rgb, prophoto-rgb, rec2020, xyz, xyz-d50, and
    xyz-d65 color spaces.

• Add new functions for working with color spaces:

  • color.to-space($color, $space) converts $color to the given $space. In
    most cases this conversion is lossless—the color may end up out-of-gamut for
    the destination color space, but browsers will generally display it as best
    they can regardless. However, the hsl and hwb spaces can't represent
    out-of-gamut colors and so will be clamped.

  • color.channel($color, $channel, $space: null) returns the value of the
    given $channel in $color, after converting it to $space if necessary.
    It should be used instead of the old channel-specific functions such as
    color.red() and color.hue().

  • color.same($color1, $color2) returns whether two colors represent the same
    color even across color spaces. It differs from $color1 == $color2 because
    == never consider colors in different (non-legacy) spaces as equal.

  • color.is-in-gamut($color, $space: null) returns whether $color is
    in-gamut for its color space (or $space if it's passed).

  • color.to-gamut($color, $space: null) returns $color constrained to its
    space's gamut (or to $space's gamut, if passed). This is generally not
    recommended since even older browsers will display out-of-gamut colors as
    best they can, but it may be necessary in some cases.

  • color.space($color): Returns the name of $color's color space.

  • color.is-legacy($color): Returns whether $color is in a legacy color
    space (rgb, hsl, or hwb).

  • color.is-powerless($color, $channel, $space: null): Returns whether the
    given $channel of $color is powerless in $space (or its own color
    space). A channel is "powerless" if its value doesn't affect the way the
    color is displayed, such as hue for a color with 0 chroma.

  • color.is-missing($color, $channel): Returns whether $channel's value is
    missing in $color. Missing channels can be explicitly specified using the
    special value none and can appear automatically when color.to-space()
    returns a color with a powerless channel. Missing channels are usually
    treated as 0, except when interpolating between two colors and in
    color.mix() where they're treated as the same value as the other color.

• Update existing functions to support color spaces:

  • hsl() and color.hwb() no longer forbid out-of-bounds values. Instead,
    they follow the CSS spec by clamping them to within the allowed range.

  • color.change(), color.adjust(), and color.scale() now support all
    channels of all color spaces. However, if you want to modify a channel
    that's not in $color's own color space, you have to explicitly specify the
    space with the $space parameter. (For backwards-compatibility, this
    doesn't apply to legacy channels of legacy colors—for example, you can still
    adjust an rgb color's saturation without passing $space: hsl).

  • color.mix() and color.invert() now support the standard CSS algorithm
    for interpolating between two colors (the same one that's used for gradients
    and animations). To use this, pass the color space to use for interpolation
    to the $method parameter. For polar color spaces like hsl and oklch,
    this parameter also allows you to specify how hue interpolation is handled.

  • color.complement() now supports a $space parameter that indicates which
    color space should be used to take the complement.

  • color.grayscale() now operates in the oklch space for non-legacy colors.

  • color.ie-hex-str() now automatically converts its color to the rgb space
    and gamut-maps it so that it can continue to take colors from any color
    space.

• The following functions are now deprecated, and uses should be replaced with
  the new color-space-aware functions defined above:

  • The color.red(), color.green(), color.blue(), color.hue(),
    color.saturation(), color.lightness(), color.whiteness(), and
    color.blackness() functions, as well as their global counterparts, should
    be replaced with calls to color.channel().

  • The global adjust-hue(), saturate(), desaturate(), lighten(),
    darken(), transaprentize(), fade-out(), opacify(), and fade-in()
    functions should be replaced by color.adjust() or color.scale().

• Add a global-builtin future deprecation, which can be opted-into with the
  --future-deprecation flag or the futureDeprecations option in the JS or
  Dart API. This emits warnings when any global built-in functions that are
  now available in sass: modules are called. It will become active by default
  in an upcoming release alongside the @import deprecation.

Dart API

• Added a ColorSpace class which represents the various color spaces defined
  in the CSS spec.

• Added SassColor.space which returns a color's color space.

• Added SassColor.channels and .channelsOrNull which returns a list
  of channel values, with missing channels converted to 0 or exposed as null,
  respectively.

• Added SassColor.isLegacy, .isInGamut, .channel(), .isChannelMissing(),
  .isChannelPowerless(), .toSpace(), .toGamut(), .changeChannels(), and
  .interpolate() which do the same thing as the Sass functions of the
  corresponding names.

• SassColor.rgb() now allows out-of-bounds and non-integer arguments.

• SassColor.hsl() and .hwb() now allow out-of-bounds arguments.

• Added SassColor.hwb(), .srgb(), .srgbLinear(), .displayP3(),
  .a98Rgb(), .prophotoRgb(), .rec2020(), .xyzD50(), .xyzD65(),
  .lab(), .lch(), .oklab(), .oklch(), and .forSpace() constructors.

• Deprecated SassColor.red, .green, .blue, .hue, .saturation,
  .lightness, .whiteness, and .blackness in favor of
  SassColor.channel().

• Deprecated SassColor.changeRgb(), .changeHsl(), and .changeHwb() in
  favor of SassColor.changeChannels().

• Added SassNumber.convertValueToUnit() as a shorthand for
  SassNumber.convertValue() with a single numerator.

• Added InterpolationMethod and HueInterpolationMethod which collectively
  represent the method to use to interpolate two colors.

JS API

• While the legacy API has been deprecated since we released the modern API, we
  now emit warnings when the legacy API is used to make sure users are aware
  that it will be removed in Dart Sass 2.0.0. In the meantime, you can silence
  these warnings by passing legacy-js-api in silenceDeprecations when using
  the legacy API.

• Modify SassColor to accept a new space option, with support for all the
  new color spaces defined in Color Level 4.

• Add SassColor.space which returns a color's color space.

• Add SassColor.channels and .channelsOrNull which returns a list of channel
  values, with missing channels converted to 0 or exposed as null, respectively.

• Add SassColor.isLegacy, .isInGamut(), .channel(), .isChannelMissing(),
  .isChannelPowerless(), .toSpace(), .toGamut(), .change(), and
  .interpolate() which do the same thing as the Sass functions of the
  corresponding names.

• Deprecate SassColor.red, .green, .blue, .hue, .saturation,
  .lightness, .whiteness, and .blackness in favor of
  SassColor.channel().

Embedded Sass

• Add Color SassScript value, with support for all the new color spaces
  defined in Color Level 4.

• Remove RgbColor, HslColor and HwbColor SassScript values.

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