Dart Sass 1.59.0

To install Sass 1.59.0, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

Command Line Interface

• Added a new --fatal-deprecation flag that lets you treat a deprecation warning as an error. You can pass an individual deprecation ID (e.g. slash-div) or you can pass a Dart Sass version to treat all deprecations initially emitted in that version or earlier as errors.

• New --future-deprecation flag that lets you opt into warning for use of certain features that will be deprecated in the future. At the moment, the only option is --future-deprecation=import, which will emit warnings for Sass @import rules, which are not yet deprecated, but will be in the future.

Dart API

• New Deprecation enum, which contains the different current and future deprecations used by the new CLI flags.

• The compile methods now take in fatalDeprecations and futureDeprecations parameters, which work similarly to the CLI flags.

See the full changelog for changes in earlier releases.

Dart Sass 1.58.3

To install Sass 1.58.3, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• No user-visible changes.

See the full changelog for changes in earlier releases.

Dart Sass 1.58.2

To install Sass 1.58.2, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

Command Line Interface

• Add a timestamp to messages printed in --watch mode.

• Print better calc()-based suggestions for /-as-division expression that contain calculation-incompatible constructs like unary minus.

See the full changelog for changes in earlier releases.

Dart Sass 1.58.1

To install Sass 1.58.1, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• Emit a unitless hue when serializing hsl() colors. The deg unit is incompatible with IE, and while that officially falls outside our compatibility policy, it's better to lean towards greater compatibility.

See the full changelog for changes in earlier releases.

Dart Sass 1.58.0

To install Sass 1.58.0, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• Remove sourcemap comments from Sass sources. The generated sourcemap comment for the compiled CSS output remains unaffected.

• Fix a bug in @extend logic where certain selectors with three or more combinators were incorrectly considered superselectors of similar selectors with fewer combinators, causing them to be incorrectly trimmed from the output.

• Produce a better error message for a number with a leading + or -, a decimal point, but no digits.

• Produce a better error message for a nested property whose name starts with --.

• Fix a crash when a selector ends in an escaped backslash.

• Add the relative length units from CSS Values 4 and CSS Contain 3 as known units to validate bad computation in calc.

Command Line Interface

• The --watch flag will now track loads through calls to meta.load-css() as long as their URLs are literal strings without any interpolation.

See the full changelog for changes in earlier releases.

Dart Sass 1.57.1

To install Sass 1.57.1, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• No user-visible changes.

See the full changelog for changes in earlier releases.

Dart Sass 1.57.0

To install Sass 1.57.0, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• Add a split($string, $separator, $limit: null) function to sass:string that splits a string into separate substrings based on a separator string.

JavaScript API

• Potentially breaking bug fix: Custom functions in both the modern and legacy API now properly reject signatures with whitespace between the function name and parentheses.

• Custom functions in the legacy API now allow signatures with whitespace before the function name, to match a bug in Node Sass.

Dart API

• Potentially breaking bug fix: Callable.fromSignature() and AsyncCallable.fromSignature() now reject signatures with whitespace between the function name and parentheses.

See the full changelog for changes in earlier releases.

Dart Sass 1.56.2

To install Sass 1.56.2, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

Embedded Sass

• The embedded compiler now supports version 1.2.0 of the embedded protocol.

See the full changelog for changes in earlier releases.

Dart Sass 1.56.1

To install Sass 1.56.1, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

Embedded Sass

• Importer results now validate that contents is actually a string and whether sourceMapUrl is an absolute URL.

See the full changelog for changes in earlier releases.

Dart Sass 1.56.0

To install Sass 1.56.0, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• Potentially breaking change: To match the CSS spec, SassScript expressions beginning with not or ( are no longer supported at the beginning of parenthesized sections of media queries. For example,

  @media (width >= 500px) and (not (grid))

  will now be emitted unchanged, instead of producing

  @media (width >= 500px) and (false)

  See the Sass website for details.

• Potentially breaking bug fix: Angle units like rad or turn are now properly converted to equivalent deg values for hsl(), hsla(), adjust-hue(), color.adjust(), and color.change().

  See the Sass website for details.

• Fix indentation for selectors that span multiple lines in a @media query.

• Emit a deprecation warning when passing $alpha values with units to color.adjust() or color.change(). This will be an error in Dart Sass 2.0.0.

  See the Sass website for details.

• Emit a deprecation warning when passing a $weight value with no units or with units other than % to color.mix(). This will be an error in Dart Sass 2.0.0.

  See the Sass website for details.

• Emit a deprecation warning when passing $n values with units to list.nth() or list.set-nth(). This will be an error in Dart Sass 2.0.0.

  See the Sass website for details.

• Improve existing deprecation warnings to wrap /-as-division suggestions in calc() expressions.

• Properly mark the warning for passing numbers with units to random() as a deprecation warning.

• Fix a bug where @extend could behave unpredicatably when used along with meta.load-css() and shared modules that contained no CSS themselves but loaded CSS from other modules.

Dart API

• Emit a deprecation warning when passing a sassIndex with units to Value.sassIndexToListIndex(). This will be an error in Dart Sass 2.0.0.

JS API

• Importer results now validate whether contents is actually a string type.

• Importer result argument errors are now rendered correctly.

See the full changelog for changes in earlier releases.