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1.14.4

  • Properly escape U+0009 CHARACTER TABULATION in unquoted strings.

1.14.3

  • Treat :before, :after, :first-line, and :first-letter as pseudo-elements for the purposes of @extend.

  • When running in compressed mode, remove spaces around combinators in complex selectors, so a selector like a > b is output as a>b.

  • Properly indicate the source span for errors involving binary operation expressions whose operands are parenthesized.

1.14.2

  • Fix a bug where loading the same stylesheet from two different import paths could cause its imports to fail to resolve.

  • Properly escape U+001F INFORMATION SEPARATOR ONE in unquoted strings.

Command-Line Interface

  • Don't crash when using @debug in a stylesheet passed on standard input.

Dart API

  • AsyncImporter.canonicalize() and Importer.canonicalize() must now return absolute URLs. Relative URLs are still supported, but are deprecated and will be removed in a future release.

1.14.1

  • Canonicalize escaped digits at the beginning of identifiers as hex escapes.

  • Properly parse property declarations that are both in content blocks and written after content blocks.

Command-Line Interface

  • Print more readable paths in --watch mode.

1.14.0

BREAKING CHANGE

In accordance with our compatibility policy, breaking changes made for CSS compatibility reasons are released as minor version revision after a three-month deprecation period.

  • Tokens such as #abcd that are now interpreted as hex colors with alpha channels, rather than unquoted ID strings.

1.13.4

Node JS

  • Tweak JS compilation options to substantially improve performance.

1.13.3

  • Properly generate source maps for stylesheets that emit @charset declarations.

Command-Line Interface

  • Don't error out when passing --embed-source-maps along with --embed-sources for stylesheets that contain non-ASCII characters.

1.13.2

  • Properly parse :nth-child() and :nth-last-child() selectors with whitespace around the argument.

  • Don't emit extra whitespace in the arguments for :nth-child() and :nth-last-child() selectors.

  • Fix support for CSS hacks in plain CSS mode.

1.13.1

  • Allow an IE-style single equals operator in plain CSS imports.

1.13.0

  • Allow @extend to be used with multiple comma-separated simple selectors. This is already supported by other implementations, but fell through the cracks for Dart Sass until now.

  • Don't crash when a media rule contains another media rule followed by a style rule.

1.12.0

Dart API

  • Add a SassException type that provides information about Sass compilation failures.

Node JS API

  • Remove the source map comment from the compiled JS. We don't ship with the source map, so this pointed to nothing.

1.11.0

  • Add support for importing plain CSS files. They can only be imported without an extension—for example, @import "style" will import style.css. Plain CSS files imported this way only support standard CSS features, not Sass extensions.

    See the proposal for details.

  • Add support for CSS's min() and max() math functions. A min() and max() call will continue to be parsed as a Sass function if it involves any Sass-specific features like variables or function calls, but if it's valid plain CSS (optionally with interpolation) it will be emitted as plain CSS instead.

    See the proposal for details.

  • Add support for range-format media features like (10px < width < 100px). See the proposal for details.

  • Normalize escape codes in identifiers so that, for example, éclair and \E9clair are parsed to the same value. See the proposal for details.

  • Don't choke on a byte-order mark at the beginning of a document when running in JavaScript.

Command-Line Interface

  • The --watch command now continues to recompile a file after a syntax error has been detected.

Dart API

  • Added a Syntax enum to indicate syntaxes for Sass source files.

  • The compile() and compileAsync() functions now parse files with the .css extension as plain CSS.

  • Added a syntax parameter to compileString() and compileStringAsync().

  • Deprecated the indented parameter to compileString() and compileStringAsync().

  • Added a syntax parameter to new ImporterResult() and a ImporterResult.syntax getter to set the syntax of the source file.

  • Deprecated the indented parameter to new ImporterResult() and the ImporterResult.indented getter in favor of syntax.

1.10.4

Command-Line Interface

  • Fix a Homebrew installation failure.

1.10.3

Command-Line Interface

  • Run the Chocolatey script with the correct arguments so it doesn't crash.

1.10.2

  • No user-visible changes.

1.10.1

Node JS API

  • Don't crash when passing both includePaths and importer.

1.10.0

  • When two @media rules' queries can't be merged, leave nested rules in place for browsers that support them.

  • Fix a typo in an error message.

1.9.2

Node JS API

  • Produce more readable filesystem errors, such as when a file doesn't exist.

1.9.1

Command-Line Interface

  • Don't emit ANSI codes to Windows terminals that don't support them.

  • Fix a bug where --watch crashed on Mac OS.

1.9.0

Node API

  • Add support for new sass.types.Color(argb) for creating colors from ARGB hex numbers. This was overlooked when initially adding support for Node Sass's JavaScript API.

1.8.0

Command-Line Interface

  • Add a --poll flag to make --watch mode repeatedly check the filesystem for updates rather than relying on native filesystem notifications.

  • Add a --stop-on-error flag to stop compiling additional files once an error is encountered.

1.7.3

  • No user-visible changes.

1.7.2

  • Add a deprecation warning for @-moz-document, except for cases where only an empty url-prefix() is used. Support is being removed from Firefox and will eventually be removed from Sass as well.
  • Fix a bug where @-moz-document functions with string arguments weren't being parsed.

Command-Line Interface

  • Don't crash when a syntax error is added to a watched file.

1.7.1

  • Fix crashes in released binaries.

1.7.0

  • Emit deprecation warnings for tokens such as #abcd that are ambiguous between ID strings and hex colors with alpha channels. These will be interpreted as colors in a release on or after 19 September 2018.

  • Parse unambiguous hex colors with alpha channels as colors.

  • Fix a bug where relative imports from files on the load path could look in the incorrect location.

1.6.2

Command-Line Interface

  • Fix a bug where the source map comment in the generated CSS could refer to the source map file using an incorrect URL.

1.6.1

  • No user-visible changes.

1.6.0

  • Produce better errors when expected tokens are missing before a closing brace.

  • Avoid crashing when compiling a non-partial stylesheet that exists on the filesystem next to a partial with the same name.

Command-Line Interface

  • Add support for the --watch, which watches for changes in Sass files on the filesystem and ensures that the compiled CSS is up-to-date.

  • When using --update, surface errors when an import doesn't exist even if the file containing the import hasn't been modified.

  • When compilation fails, delete the output file rather than leaving an outdated version.

1.5.1

  • Fix a bug where an absolute Windows path would be considered an input:output pair.

  • Forbid custom properties that have no values, like --foo:;, since they're forbidden by the CSS spec.

1.5.0

  • Fix a bug where an importer would be passed an incorrectly-resolved URL when handling a relative import.

  • Throw an error when an import is ambiguous due to a partial and a non-partial with the same name, or multiple files with different extensions. This matches the standard Sass behavior.

Command-Line Interface

  • Add an --interactive flag that supports interactively running Sass expressions (thanks to Jen Thakar!).

1.4.0

  • Improve the error message for invalid semicolons in the indented syntax.

  • Properly disallow semicolons after declarations in the indented syntax.

Command-Line Interface

  • Add support for compiling multiple files at once by writing sass input.scss:output.css. Note that unlike Ruby Sass, this always compiles files by default regardless of when they were modified.

    This syntax also supports compiling entire directories at once. For example, sass templates/stylesheets:public/css compiles all non-partial Sass files in templates/stylesheets to CSS files in public/css.

  • Add an --update flag that tells Sass to compile only stylesheets that have been (transitively) modified since the CSS file was generated.

Dart API

  • Add Importer.modificationTime() and AsyncImporter.modificationTime() which report the last time a stylesheet was modified.

Node API

  • Generate source maps when the sourceMaps option is set to a string and the outFile option is not set.

1.3.2

  • Add support for @elseif as an alias of @else if. This is not an intentional feature, so using it will cause a deprecation warning. It will be removed at some point in the future.

1.3.1

Node API

  • Fix loading imports relative to stylesheets that were themselves imported though relative include paths.

1.3.0

Command-Line Interface

  • Generate source map files by default when writing to disk. This can be disabled by passing --no-source-map.

  • Add a --source-map-urls option to control whether the source file URLs in the generated source map are relative or absolute.

  • Add an --embed-sources option to embed the contents of all source files in the generated source map.

  • Add an --embed-source-map option to embed the generated source map as a data: URL in the generated CSS.

Dart API

  • Add a sourceMap parameter to compile(), compileString(), compileAsync(), and compileStringAsync(). This takes a callback that's called with a SingleMapping that contains the source map information for the compiled CSS file.

Node API

  • Added support for the sourceMap, omitSourceMapUrl, outFile, sourceMapContents, sourceMapEmbed, and sourceMapRoot options to render() and renderSync().

  • Fix a bug where passing a relative path to render() or renderSync() would cause relative imports to break.

  • Fix a crash when printing warnings in stylesheets compiled using render() or renderSync().

  • Fix a bug where format errors were reported badly on Windows.

1.2.1

  • Always emit units in compressed mode for 0 dimensions other than lengths and angles.

1.2.0

  • The command-line executable will now create the directory for the resulting CSS if that directory doesn't exist.

  • Properly parse #{$var} -#{$var} as two separate values in a list rather than one value being subtracted from another.

  • Improve the error message for extending compound selectors.

1.1.1

  • Add a commit that was accidentally left out of 1.1.0.

1.1.0

  • The command-line executable can now be used to write an output file to disk using sass input.scss output.css.

  • Use a POSIX-shell-compatible means of finding the location of the sass shell script.

1.0.0

Initial stable release.

Changes Since 1.0.0-rc.1

  • Allow ! in custom property values (#260).

Dart API

  • Remove the deprecated render() function.

Node API

  • Errors are now subtypes of the Error type.

  • Allow both the data and file options to be passed to render() and renderSync() at once. The data option will be used as the contents of the stylesheet, and the file option will be used as the path for error reporting and relative imports. This matches Node Sass's behavior.

1.0.0-rc.1

  • Add support for importing an _index.scss or _index.sass file when importing a directory.

  • Add a --load-path command-line option (alias -I) for passing additional paths to search for Sass files to import.

  • Add a --quiet command-line option (alias -q) for silencing warnings.

  • Add an --indented command-line option for using the indented syntax with a stylesheet from standard input.

  • Don't merge the media queries not type and (feature). We had previously been generating not type and (feature), but that's not actually the intersection of the two queries.

  • Don't crash on $x % 0.

  • The standalone executable distributed on GitHub is now named sass rather than dart-sass. The dart-sass executable will remain, with a deprecation message, until 1.0.0 is released.

Dart API

  • Add a Logger class that allows users to control how messages are printed by stylesheets.

  • Add a logger parameter to compile(), compileAsync(), compileString(), and compileStringAsync().

Node JS API

  • Import URLs passed to importers are no longer normalized. For example, if a stylesheet contains @import "./foo.scss", importers will now receive "./foo.scss" rather than "foo.scss".

1.0.0-beta.5.3

  • Support hard tabs in the indented syntax.

  • Improve the formatting of comments that don't start on the same line as the opening /*.

  • Preserve whitespace after and in media queries in compressed mode.

Indented Syntax

  • Properly parse multi-line selectors.

  • Don't deadlock on /* comments.

  • Don't add an extra */ to comments that already have it.

  • Preserve empty lines in /* comments.

1.0.0-beta.5.2

  • Fix a bug where some colors would crash compressed mode.

1.0.0-beta.5.1

  • Add a compressed output style.

  • Emit a warning when && is used, since it's probably not what the user means.

  • round() now returns the correct results for negative numbers that should round down.

  • var() may now be passed in place of multiple arguments to rgb(), rgba(), hsl() and hsla().

  • Fix some cases where equivalent numbers wouldn't count as the same keys in maps.

  • Fix a bug where multiplication like (1/1px) * (1px/1) wouldn't properly cancel out units.

  • Fix a bug where dividing by a compatible unit would produce an invalid result.

  • Remove a non-sh-compatible idiom from the standalone shell script.

Dart API

  • Add a functions parameter to compile(), compleString(), compileAsync(), and compileStringAsync(). This allows users to define custom functions in Dart that can be invoked from Sass stylesheets.

  • Expose the Callable and AsyncCallable types, which represent functions that can be invoked from Sass.

  • Expose the Value type and its subclasses, as well as the top-level sassTrue, sassFalse, and sassNull values, which represent Sass values that may be passed into or returned from custom functions.

  • Expose the OutputStyle enum, and add a style parameter to compile(), compleString(), compileAsync(), and compileStringAsync() that allows users to control the output style.

Node JS API

  • Support the functions option.

  • Support the "compressed" value for the outputStyle option.

1.0.0-beta.4

  • Support unquoted imports in the indented syntax.

  • Fix a crash when :not(...) extends a selector that appears in :not(:not(...)).

Node JS API

  • Add support for asynchronous importers to render() and renderSync().

Dart API

  • Add compileAsync() and compileStringAsync() methods. These run asynchronously, which allows them to take asynchronous importers (see below).

  • Add an AsyncImporter class. This allows imports to be resolved asynchronously in case no synchronous APIs are available. AsyncImporters are only compatible with compileAysnc() and compileStringAsync().

1.0.0-beta.3

  • Properly parse numbers with exponents.

  • Don't crash when evaluating CSS variables whose names are entirely interpolated (for example, #{--foo}: ...).

Node JS API

  • Add support for the importer option to render() and renderSync(). Only synchronous importers are currently supported.

Dart API

  • Added an Importer class. This can be extended by users to provide support for custom resolution for @import rules.

  • Added built-in FilesystemImporter and PackageImporter implementations that support resolving file: and package: URLs, respectively.

  • Added an importers argument to the compile() and compileString() functions that provides Importers to use when resolving @import rules.

  • Added a loadPaths argument to the compile() and compileString() functions that provides paths to search for stylesheets when resolving @import rules. This is a shorthand for passing FilesystemImporters to the importers argument.

1.0.0-beta.2

  • Add support for the ::slotted() pseudo-element.

  • Generated transparent colors will now be emitted as rgba(0, 0, 0, 0) rather than transparent. This works around a bug wherein IE incorrectly handles the latter format.

Command-Line Interface

  • Improve the logic for whether to use terminal colors by default.

Node JS API

  • Add support for data, includePaths, indentedSyntax, lineFeed, indentWidth, and indentType options to render() and renderSync().

  • The result object returned by render() and renderSync() now includes the stats object which provides metadata about the compilation process.

  • The error object thrown by render() and renderSync() now includes line, column, file, status, and formatted fields. The message field and toString() also provide more information.

Dart API

  • Add a renderString() method for rendering Sass source that's not in a file on disk.

1.0.0-beta.1

  • Drop support for the reference combinator. This has been removed from the spec, and will be deprecated and eventually removed in other implementations.

  • Trust type annotations when compiling to JavaScript, which makes it substantially faster.

  • Compile to minified JavaScript, which decreases the code size substantially and makes startup a little faster.

  • Fix a crash when inspecting a string expression that ended in "\a".

  • Fix a bug where declarations and @extend were allowed outside of a style rule in certain circumstances.

  • Fix not in parentheses in @supports conditions.

  • Allow url as an identifier name.

  • Properly parse /***/ in selectors.

  • Properly parse unary operators immediately after commas.

  • Match Ruby Sass's rounding behavior for all functions.

  • Allow \ at the beginning of a selector in the indented syntax.

  • Fix a number of @extend bugs:

    • selector-extend() and selector-replace() now allow compound selector extendees.

    • Remove the universal selector * when unifying with other selectors.

    • Properly unify the result of multiple simple selectors in the same compound selector being extended.

    • Properly handle extensions being extended.

    • Properly follow the first law of @extend.

    • Fix selector specificity tracking to follow the second law of @extend.

    • Allow extensions that match selectors but fail to unify.

    • Partially-extended selectors are no longer used as parent selectors.

    • Fix an edge case where both the extender and the extended selector have invalid combinator sequences.

    • Don't crash with a "Bad state: no element" error in certain edge cases.

1.0.0-alpha.9

  • Elements without a namespace (such as div) are no longer unified with elements with the empty namespace (such as |div). This unification didn't match the results returned by is-superselector(), and was not guaranteed to be valid.

  • Support & within @at-root.

  • Properly error when a compound selector is followed immediately by &.

  • Properly handle variable scoping in @at-root and nested properties.

  • Properly handle placeholder selectors in selector pseudos.

  • Properly short-circuit the or and and operators.

  • Support --$variable.

  • Don't consider unitless numbers equal to numbers with units.

  • Warn about using named colors in interpolation.

  • Don't emit loud comments in functions.

  • Detect import loops.

  • Fix @import with a supports() clause.

  • Forbid functions named "and", "or", and "not".

  • Fix type-of() with a function.

  • Emit a nicer error for invalid tokens in a selector.

  • Fix invert() with a $weight parameter.

  • Fix a unit-parsing edge-cases.

  • Always parse imports with queries as plain CSS imports.

  • Support & followed by a non-identifier.

  • Properly handle split media queries.

  • Properly handle a placeholder selector that isn't at the beginning of a compound selector.

  • Fix more str-slice() bugs.

  • Fix the % operator.

  • Allow whitespace between = and the mixin name in the indented syntax.

  • Fix some slash division edge cases.

  • Fix not when used like a function.

  • Fix attribute selectors with single-character values.

  • Fix some bugs with the call() function.

  • Properly handle a backslash followed by a CRLF sequence in a quoted string.

  • Fix numbers divided by colors.

  • Support slash-separated numbers in arguments to plain CSS functions.

  • Error out if a function is passed an unknown named parameter.

  • Improve the speed of loading large files on Node.

  • Don't consider browser-prefixed selector pseudos to be superselectors of differently- or non-prefixed selector pseudos with the same base name.

  • Fix an @extend edge case involving multiple combinators in a row.

  • Fix a bug where a @content block could get incorrectly passed to a mixin.

  • Properly isolate the lexical environments of different calls to the same mixin and function.

1.0.0-alpha.8

  • Add the content-exists() function.

  • Support interpolation in loud comments.

  • Fix a bug where even valid semicolons and exclamation marks in custom property values were disallowed.

  • Disallow invalid function names.

  • Disallow extending across media queries.

  • Properly parse whitespace after ... in argument declaration lists.

  • Support terse mixin syntax in the indented syntax.

  • Fix @at-root query parsing.

  • Support special functions in @-moz-document.

  • Support ... after a digit.

  • Fix some bugs when treating a map as a list of pairs.

1.0.0-alpha.7

  • Fix function-exists(), variable-exists(), and mixin-exists() to use the lexical scope rather than always using the global scope.

  • str-index() now correctly inserts at negative indices.

  • Properly parse url()s that contain comment-like text.

  • Fix a few more small @extend bugs.

  • Fix a bug where interpolation in a quoted string was being dropped in some circumstances.

  • Properly handle @for rules where each bound has a different unit.

  • Forbid mixins and functions from being defined in control directives.

  • Fix a superselector-computation edge case involving :not().

  • Gracefully handle input files that are invalid UTF-8.

  • Print a Sass stack trace when a file fails to load.

1.0.0-alpha.6

  • Allow var() to be passed to rgb(), rgba(), hsl(), and hsla().

  • Fix conversions between numbers with dpi, dpcm, and dppx units. Previously these conversions were inverted.

  • Don't crash when calling str-slice() with an $end-at index lower than the $start-at index.

  • str-slice() now correctly returns "" when $end-at is negative and points before the beginning of the string.

  • Interpolation in quoted strings now properly preserves newlines.

  • Don't crash when passing only $hue or no keyword arguments to adjust-color(), scale-color(), or change-color().

  • Preserve escapes in identifiers. This used to only work for identifiers in SassScript.

  • Fix a few small @extend bugs.

1.0.0-alpha.5

  • Fix bounds-checking for opacify(), fade-in(), transparentize(), and fade-out().

  • Fix a bug with @extend superselector calculations.

  • Fix some cases where #{...}-- would fail to parse in selectors.

  • Allow a single number to be passed to saturate() for use in filter contexts.

  • Fix a bug where **/ would fail to close a loud comment.

  • Fix a bug where mixin and function calls could set variables incorrectly.

  • Move plain CSS @imports to the top of the document.

1.0.0-alpha.4

  • Add support for bracketed lists.

  • Add support for Unicode ranges.

  • Add support for the Microsoft-style = operator.

  • Print the filename for @debug rules.

  • Fix a bug where 1 + - 2 and similar constructs would crash the parser.

  • Fix a bug where @extend produced the wrong result when used with selector combinators.

  • Fix a bug where placeholder selectors were not allowed to be unified.

  • Fix the mixin-exists() function.

  • Fix :nth-child() and :nth-last-child() parsing when they contain of selector.

1.0.0-alpha.3

  • Fix a bug where color equality didn't take the alpha channel into account.

  • Fix a bug with converting some RGB colors to HSL.

  • Fix a parent selector resolution bug.

  • Properly declare the arguments for opacify() and related functions.

  • Add a missing dependency on the stack_trace package.

  • Fix broken Windows archives.

  • Emit colors using their original representation if possible.

  • Emit colors without an original representation as names if possible.

1.0.0-alpha.2

  • Fix a bug where variables, functions, and mixins were broken in imported files.

1.0.0-alpha.1

  • Initial alpha release.