CHANGELOG.md

SCSS-Lint Changelog

0.60.0

• Add scroll-margin family of properties to allowlist
• Add gap family of properties to allowlist
• Add text-underline-offset property to allowlist
• Add place-items property to allowlist
• Add accent-color property to allowlist
• Add scroll-padding family of properties to allowlist
• Add support for Ruby 3.2

0.59.0

• Add overflow-wrap to PropertySortOrder list for SMACSS
• Remove dependency on rake gem

0.58.0

• Drop support for Ruby 2.3 or older
• Add caret-color, ::-ms-backdrop, ::-webkit-details-marker, place-content, font-variant-numeric, scrollbar-width to known properties list
• Add CSS SVG properties (#977)

0.57.1

• Relax Sass gem dependency to allow 3.6.x

0.57.0

• Add text-decoration-skip property to PropertySpelling
• Drop support for Ruby 2.0
• Require sass gem 3.5.5 or newer
• Add grid properties to SMACSS sort order for PropertySortOrder

0.56.0

• Add support for Sass 3.5. Custom properties are not yet supported.
• Modify all output formats to include a linter even for syntax or encoding errors
• Fix SpaceAfterComment to not report lints for file-level annotation comments

0.55.0

• Add ng-deep to the list recognized by the PseudoElement linter
• Add classic_BEM convention for SelectorFormat
• Deprecate strict_BEM convention for SelectorFormat. Use classic_BEM instead.
• Add font-display and justify-items properties to PropertySpelling linter
• Add fr unit to PropertyUnits linter

0.54.0

• Add cubic-bezier to NameFormat whitelist
• Allow triple-slash (///) comments in SpaceAfterComment
• Add new grid spec properties to PropertySpelling
• Add workaround for negative source range lengths returned by the Sass parser
• Fix Indentation linter to work with @import statements which spanned multiple lines

0.53.0

• Update smacss order
• Add missing transform-origin property to concentric order
• Ignore URLs with variables in UrlFormatter

0.52.0

• Load configuration files found in plugin directories

0.51.0

• Add contain to list of properties allowed by PropertySpelling
• Fix DuplicateProperty to report duplicate properties inside media queries
• Relax gem dependency constraints to allow rake 12.x

0.50.3

• Add outline, flexbox, background clip, attachment, word-wrap, and work-break properties to concentric PropertySort sort order
• Add background clip and attachment properties to recess PropertySort sort order
• Fix SpaceAfterComment handling of consecutive comments
• Fix SpaceBeforeBrace to check @if / @else statements
• Fix ZeroUnit to not report zero values with units in calc expressions
• Fix detection of control comments when scss-lint:enable is used
• Fix Comment linter message when using loud style comments

0.50.2

• Fix default style configuration for SpaceAfterComment to one_space and to be disabled by default

0.50.1

• Fix regression in scss_files option processing where option was ignored

0.50.0

New Features

• Add SpaceAfterComment which checks for spacing after comment literal

Changes

• Drop support for Ruby 1.9.3
• Shorthand linter will now forbid the use of shorthand properties if allowed_shorthands option is set to an empty list
• Change Rake task to respect scss_files option if no explicit files are specified

Bug Fixes

• Fix scss_files option to accept an array of patterns
• Fix --exclude-linter flag
• Fix ColorKeyword linter to allow color keywords to be used as arguments in map-*-related function calls
• Fix SpaceAfterComma linter to report correct column number
• Fix PrivateNamingConvention to consider functions/mixins used inside other functions/mixins
• Fix Shorthand to not report shorthanded values with !important as having a shorthand length not specified in allowed_shorthands
• Fix UnnecessaryMantissa to ignore decimal values in URL literals
• Fix PlaceholderInExtend to report comma sequences starting with a placeholder
• Fix StringQuotes linter to ignore @charset directives since they must always use double quotes

0.49.0

New Features

• Add background-clip and clip to smacss preset sort order
• Add LengthVariable linter for reporting when variables should be used instead of literal lengths

Changes

• Increase minimum required sass gem version to 3.4.20+
• Modify Shorthand linter to report lint if a shorthand of a length not specified in the allowed_shorthands option is used
• Ignore SCSS functions in NameFormat linter
• Update default formatter to output column number in addition to line number
• Wrap @-declaratives in backticks in lint messages

Bug Fixes

• Fix PropertySortOrder separate_groups option to work for preset sort orders
• Fix TrailingZero to report correct lint messages for values with multiple trailing zeros

0.48.0

• Relax rake gem dependency to allow 11.x.x versions
• Add linear-gradient to NameFormat whitelist
• Fix DisableLinterReason not reporting inline disable comments on a line following a comment line
• Add Stats --format option to output list of linter types ordered by the number of occurrences

0.47.1

• Consider list literals in values checked by DuplicateProperty linter
• Fix TAP reporter to correctly parse list of files
• Remove unnecessary nesting from TAP reporter output
• Add linter name to TAP YAML output

0.47.0

• Fix PrivateNamingConvention to handle files that begin with comments
• Fix TAP reporter format
• Add support for preprocessing source files via the preprocess_command option

0.46.0

• Add ignore_consecutive option to the DuplicateProperty linter, allowing duplicate consecutive properties. It accepts true, false, or a list of property names to be ignored.
• Add PrivateNamingConvention linter which enforces that functions, mixins, and variables that follow the private naming convention (default to underscore-prefixed) are defined and used within the same file
• Add TAP (Test Anything Protocol) formatter

0.45.0

• Add outline-{color,style,width} properties to recess sort order list
• Fix TrailingSemicolon to not report false positives for single line list/map literals
• Improve compatibility with files that use CRLF and CR for newlines.
• Load plugin_directories relative to the config file itself
• Fix bug in SingleLinePerProperty that prevented the linter from checking nested selectors
• Add SpaceAfterVariableColon which checks for the spacing after a variable colon
• Relax rake dependency version to allow >= 0.9
• Improve BorderZero by adding the offending border property to the lint description

0.44.0

• Add --color and --no-color options
• Add ::content and ::shadow to list of elements recognized by PseudoElement
• Fix UnnecessaryParentReference to not report selectors with multiple parent references
• Add background-attachment, transform-{box,origin,style}, and transform-{delay,duration,property,timing-function} properties to SMACSS property sort order list
• Add support for CSS Logical Properties to PropertySpelling
• Add initial to list of special values in VariableForProperty
• Add ::-webkit-full-page-media, ::-webkit-search-decoration, and ::-webkit-search-results-decoration pseudo elements to PseudoElement
• Add backdrop-filter to list of known properties
• Fix PropertySortOrder to properly handle duplicated properties
• Fix NameFormat to report incorrectly-named variables passed as function arguments
• Add global severity option to allowing you to specify the default severity for all linters

0.43.2

• Fix passing a file via STDIN
• Fix ChainedClasses to work with comma sequences split over multiple lines

0.43.1

• Add placeholder, -moz-*, -ms-*, and -webkit-* to PseudoElement linter
• Fix SpaceAfterComma to not infinite loop on map literals as arguments spanning multiple lines

0.43.0

New Features

• Add whitelist parameter to MergeableSelector
• Add PseudoElement linter which checks for the use of double colons with pseudo elements and single colons with pseudo classes
• Add disabled_properties option to PropertySpelling allowing properties to be prohibited from use
• Add support for linting files via STDIN by specifying --stdin-file-path so the appropriate configuration can be applied based on the path
• Add style option to Comment linter allowing loud comments to be preferred over silent comments
• Add ChainedClasses linter which checks for the use of chained classes (a.k.a. adjoining classes)
• Add at_least_one_space option to SpaceAroundOperator linter

Changes

• EmptyLineBetweenBlocks lints on @media and @at-root now
• Improve performance of Indentation linter
• Change Indentation linter with allow_non_nested_indentation to allow any node type to be arbitrarily indented as long as it a child of the root document node (previously only rule set declarations were allowed)

Bug Fixes

• Fix TrailingSemicolon false positive for multiline variable declarations
• Fix control comments to work when applied on consecutive lines
• Fix linters to not inspect interpolation in /*...*/ comments due to the large number of bugs with the source ranges returned by the Sass parser
• Fix line number reporting for SingleLinePerSelector with comma sequences containing multiple sequences on a single line
• Fix SpaceAfterVariableName to not report lints for colons with spaces inside map literals
• Fix MergeableSelector to not report selectors with multiple parent references
• Fix SingleLinePerSelector to report correct line number for sequences spread over multiple lines

0.42.2

• Fix SpaceAroundOperator to allow newlines
• Fix HexValidation to ignore mid-word hex strings
• Fix ColorVariable to ignore color functions in variable declaration

0.42.1

• Fix TrailingSemicolon for variables with !default and !global.
• Check !default and !global variable declarations and !optional @extend directives in BangFormat

0.42.0

New Features

• Enhance Rake task to support command line flags
• Add no_space and at_least_one_space style options to SpaceAfterComma

Changes

• Improve ColorVariable to flag uses of rgb/rgba/hsl/hsla
• Return successful status code instead of 81 when all files matched by specified glob patterns are excluded by --exclude flags and exclude configuration settings, as it was confusing.

Bug Fixes

• Fix SpaceAroundOperator linter to not report false positives for operators in interpolation
• Improve performance of ElsePlacement linter to better handle large lists of @if/@else if/@else statements
• Fix TrailingSemicolon to report missing semicolons when trailing comment ended with a semicolon
• Fix VariableForProperty to not erroneously report property values with !important

0.41.0

New Features

• Add DisableLinterReason linter which enforces including a comment explaining why a linter was disabled via a control comment
• Add SpaceAroundOperator linter which enforces whitespace padding around mathematical operators
• Add CleanFiles reporter which displays all files that were free of lints
• Add flexbox properties to recess preset sort order
• Add flexbox properties to smacss ordering
• Add TransitionAll linter which reports the use of transition: all

Changes

• Improve SingleLinePerSelector to report selectors with descendant selectors on separate lines

Bug Fixes

• Fix SpaceAfterVariableName linter not being included in linter set
• Fix handling of consecutive control comments to properly disable linters
• Fix handling of control comments preceded by normal comments
• Fix NestingDepth linter not handling rules with no selectors
• Fix MergeableSelector messages to condense newlines
• Fix UnnecessaryMantissa to not report decimal values in quoted strings

0.40.1

• Fix regression where linters were enabled by default even if explicitly disabled in the default configuration

0.40.0

New Features

• Add support for loading custom linters via the plugin_directories and plugin_gems configuration options (experimental)
• Add ExtendDirective linter which checks for any usage of the @extend directive.
• Add TrailingWhitespace linter which reports whitespace characters at the end of a line
• Add SpaceAfterVariableName linter which checks that there are no spaces between a variable name and a colon

Changes

• Change NameFormat to no longer check placeholder names, as this is handled by the SelectorFormat linter
• Change NestingDepth to allow parent selectors to be ignored in depth count via the ignore_parent_selectors configuration option

Bug Fixes

• Fix ColorVariable from crashing when variable interpolation occurs in multiline comments
• Fix PropertySortOrder's ignore_unspecified: false behavior to not care about the relative order of unspecified properties at the end of a list of properties
• Fix PropertyUnits for properties that have multiple unit-like values (e.g. shorthand properties) and quoted values
• Fix control comment processing for FinalNewline, SpaceBetweenParens, and TrailingNewline
• Fix ElsePlacement to lint nested @if statements

0.39.0

New Features

• Add BemDepth which checks the number of BEM elements is under a specified maximum

Changes

• Load configuration file from user's home directory if one exists and no other configuration file is specified or in the current working directory
• Improve issue reporting instructions displayed when scss-lint crashes
• Remove XML formatter (see the Checkstyle formatter for an XML-based alternative)

Bug Fixes

• Fix Indentation to not report @import directives spread across multiple lines
• Fix Indentation linter from crashing on @else statements with allow_non_nested_indentation set to true
• Update default configuration to work with projects using the syck YAML parser
• Fix ColorKeyword to not report lints for map keys with color keyword names

0.38.0

• Change configuration loading behavior so that defining lists in a custom configuration will completely override the old list instead of adding to it
• Fix DeclarationOrder linter to report lints for items within media queries
• Add allowed_shorthands option for Shorthand linter
• Add allowed option to Comment linter specifying regex of allowed multi-line comments, such as copyright notices
• Fix bug where control comments could filter out lints from other files depending on scan order
• Ignore currentColor, inherit, and transparent values in VariableForProperty
• Add min_properties option to PropertySortOrder to allow specifying a threshold number of properties that must be present before linting occurs
• Fix PropertySortOrder to lint sort order of nested properties
• Add one_space_or_newline style option to SpaceAfterPropertyColon
• Fix ColorVariable to ignore literal strings containing color keywords
• Rename scss-lint gem to scss_lint to follow RubyGems best practices for naming gems. This only affects the name you use in Gemfiles or when you gem install; everything else remains the same.

0.37.0

• Rename BEM option on SelectorFormat to strict_BEM to emphasize that this is a particular dialect which may not be what developers expect
• Allow SelectorFormat convention explanations to be customized via the #{type}_convention_explanation and convention_explanation options
• Add camel_case and snake_case conventions to NameFormat
• Remove BEM convention from NameFormat, as it didn't make sense in this context since NameFormat does not deal with selectors
• Add support for function, mixin, or variable-specific conventions to NameFormat
• Add support for custom convention explanations to NameFormat

0.36.1

• Fix PropertyUnits to not error on properties with function call values
• Fix DeclarationOrder false positives on lines of the same type of node
• Fix PropertyUnits false positives on unicode escape sequences and string values that look like units
• Add additional units to default configuration for PropertyUnits, including durations, frequencies, angles, and resolutions

0.36.0

• Fix SpaceAfterPropertyColon to report nested properties
• Add PropertyUnits allowing customization of which units are allowed for specific properties
• Allow color literals in map declarations and the rgba helper function in ColorVariable
• Gracefully handle when a library specified via -r/--require is not found and return a semantic exit code EX_UNAVAILABLE (69)
• Improve message of DeclarationOrder to specify the line number of the out-of-order item and the line number of where it was expected to be
• Return helpful error message and unsuccessful exit code when all files matched by specified glob patterns are excluded by --exclude flags and exclude configuration settings
• Change exit code returned when file globs patterns did not match any files to be different from the exit code returned when a specified file does not exist

0.35.0

• Fix ColorVariable to not report occurrences of transparent when appearing in function calls or list literals
• Fix infinite loop in control comment processor when dealing with parse nodes with no children with line numbers
• Change VendorPrefix config options include and exclude to additional_identifiers and excluded_identifiers, respectively
• Rename VendorPrefixes to VendorPrefix
• Add animation* properties to concentric.txt
• Fix bug where attempting to lint a non-existent file would result in a crash

0.34.0

New Features

• Add ImportantRule linter which reports uses of !important in properties
• Add VariableForProperty linter which enforces using variables for specified property values instead of literal values
• Add convention option to BorderZero allowing none to be preferred over zero
• Add separate_groups option to PropertySortOrder to specify that groups of properties should be visually separated
• Add PropertyCount linter which reports rule sets with a large number of properties
• Add ColorVariable linter which enforces the use of color literals in variable declarations only
• Add break-after, break-before, break-inside, and text-size-adjust to list of recognized properties
• Add allow_non_nested_indentation option to Indentation linter
• Allow files without .scss/.css extension to be linted if they are passed explicitly (i.e. you do not specify a directory, but the file itself)

Changes

• Remove support for per-directory configuration and inherit_from from the configuration system

Bug Fixes

• Fix bug in StringQuotes where Sass script in non-silent comments would cause a crash
• Fix control comments placed before @include blocks to apply within them
• Fix crash in PropertySortOrder when non-existent preset sort order or otherwise invalid sort order are specified in the configuration
• Fix recognition of control comments in selector comma sequences
• Fix crash in BangFormat, ImportantRule, and VendorPrefixes when linting properties with list literals containing empty lists

0.33.0

• Call Kernel.exit with status code returned by CLI in rake task (unless 0)
• Allow list of files and glob patterns to be passed as task arguments to rake task
• Allow custom configuration file to be specified in rake task
• Fix infinite loop in SpaceAfterComma for arguments spanning multiple lines

0.32.0

• Fix regression in rake task
• Fix grammar of lints reported by SelectorFormat
• Add .projections.json configuration file
• Fix regression in --require switch that caused custom formatters to not be required before they were created
• Fix bug in BangFormat where lines without a semicolon would cause an infinite loop

0.31.0

New Features

• Add support for disabling/enabling linters via inline comments
• Add smacss sort order option for PropertySortOrder
• Add recess sort order option for PropertySortOrder
• Add allow_leading_underscore option to NameFormat to allow the leading underscore convention to denote private functions

Changes

• Change IdWithExtraneousSelector to IdSelector and modify behavior to always report a lint when an ID appears as part of a selector.

Bug Fixes

• Fix regression in default configuration for QualifyingElement so that elements with attributes, classes, or ids are disallowed by default
• Fix error message for TrailingSemicolon where lines without a semicolon would incorrectly be reported as having a space before the semicolon
• Fix BangFormat linter to not report lints for exclamation points in strings
• Update minimum version of sass gem to 3.4.1 to fix a parser bug
• Fix DuplicateProperty not reporting duplicate properties in nested rule sets
• Fix TrailingSemicolon handling of comma-separated @imports
• Fix SelectorFormat to not allow format of pseudo-selectors to be defined, as they are always hyphenated lowercase
• Fix Indentation to not crash on @at-root directives with comments inside
• Fix DuplicateProperty to report correct name of duplicated property
• Fix EmptyLineBetweenBlocks to allow trailing comments after rule sets (e.g. control comments disabling linters)

0.30.0

New Features

• Add VendorPrefixes linter which ensures only whitelisted vendor-prefixed properties are used
• Add scss_files configuration option allowing a default set of files to be linted if no files are explicitly specified
• Add BangFormat linter which enforces spacing around the ! for !important and !default
• Add new_line option to SpaceBeforeBrace linter enforcing opening curly braces start on a new line
• Add NestingDepth linter which ensures selectors are nested only up to a specified maximum depth
• Add support to SelectorFormat for specifying different conventions for different types of selectors via the <type>_convention options
• Add @import check to TrailingSemicolon
• Add support for differentiating @includes with actual content versus no-content @includes in DeclarationOrder
• Add support for checking the ordering of content within @includes
• Add ImportPath linter which ensures paths for @import directives follow a certain format
• Add QualifyingElement linter which checks for unnecessarily-qualified element selectors
• Add --out flag which allows the output of the last formatter specified via the --format flag to be redirected to a file
• Add --require flag allowing arbitrary Ruby modules to be loaded (facilitating custom reporters)

Changes

• Improve message reported by PropertySortOrder to specify the expected sort order
• Enforce UTF-8 encoding by default
• Change BEM convention of SelectorFormat convention option to hyphenated_BEM, and introduce BEM format as specified in https://bem.info/method/definitions/
• Prefix all syntax error messages with "Syntax Error:"

Bug Fixes

• Fix bug in SpaceAfterPropertyName/TrailingSemicolon linters where lint would be reported for oneline properties following a selector with interpolation
• Fix bug in SpaceAfterPropertyColon/SpaceAfterPropertyName/TrailingSemicolon linters where lint would be reported for one-line properties following a selector with interpolation
• Fix PropertySpelling linter to check the names of nested properties

0.29.0

New Features

• Add TrailingZero linter which checks for unnecessary zeros following a decimal point
• Add SelectorFormat linter which checks that the names of ids, classes, etc. in selectors match a desired convention
• Add JSON formatter

Changes

• Update list of known properties (used by PropertySpelling lint)
• Enhance TrailingSemicolon to check for more than one semicolon at the end of a statement
• Remove CapitalizationInSelector, which has been superseded by the more powerful SelectorFormat linter

Bug Fixes

• Fix bug where SassScript selectors referring to the current selector would result in a crash
• Fix bug in EmptyLineBetweenBlocks linter where lint would incorrectly be reported when comments immediately followed the closing brace of a rule set
• Fix bug in PropertySortOrder where properties within media queries were not checked for sort order
• Fix bug in UrlQuotes linter where lint would be reported for data URIs
• Fix bug in UnnecessaryParentReference where selectors with multiple & references where one & was concatenated would incorrectly report a lint

0.28.0

• Fix bug in StringQuotes where strings with interpolation were incorrectly being linted
• Upgrade minimum sass version dependency to 3.4.x series

0.27.0

• Fix broken ignore_unspecified option in PropertySortOrder
• Add linting of @include and @if/@else blocks in PropertySortOrder
• Fix HexValidation bug incorrectly reporting lints for 8 character hex codes in Microsoft filter property
• Fix UnnecessaryParentReference incorrectly reporting lints for nested selectors with more than one parent reference

0.26.2

• Fix TrailingSemicolon bug with @include blocks that didn't contain properties
• Add more properties to concentric preset order

0.26.1

• Fix TrailingSemicolon incorrectly reporting @includes with block contents
• Fix UnnecessaryParentReference incorrectly reporting using of & with concatenation
• Fix SingleLinePerSelector crashing for selectors that contained interpolated function calls
• Add additional properties to the concentric preset order
• Fix LeadingZero crashing on multi-line strings with interpolation

0.26.0

New Features

• Add severity option allowing the severity level of a lint to be configured
• Include linter name in lint description
• Add character option to Indentation linter which allows specifying tabs or spaces as the indentation character of choice
• Add SingleLinePerProperty linter which checks that properties each reside on their own line
• Add support to PropertySortOrder to specify a preset sort order via the order property
• Add concentric preset sort order to the PropertySortOrder linter
• Add ignore_unspecified option to PropertySortOrder to indicate that unspecified properties in custom sort orderings are to be ignored (i.e. they can appear anywhere)
• Add ignore option to Compass::PropertyWithMixin linter allowing you to not warn for certain properties
• Add ignored_names option to CapitalizationInSelector, allowing you to whitelist certain names as not needing to follow the convention
• Add ignored_types option to CapitalizationInSelector, allowing you to selectively ignore capitalization in certain types of selectors
• Add UnnecessaryParentReference linter which checks nested selectors for extraneous parent references
• Teach TrailingSemicolon to report lints for uses of @extend, @include, or variable declarations without semicolons

Changes

• Change CLI to return exit code of 1 if only warnings are reported, or 2 if any errors are reported (was previously 65 for either)
• Update sass dependency to require 3.3.7 or later (fixes a parsing bug)
• Include test files in gem distribution
• Rename TrailingSemicolonAfterPropertyValue to TrailingSemicolon

Bug Fixes

• Fix bug in SpaceBeforeBrace linter where an erroneous lint would be reported for a brace on its own line
• Fix bug in SpaceAfterComma where trailing spaces followed by a newline after a comma would incorrectly report a lint
• Fix SingleLinePerSelector to ignore any selectors that contain interpolation

0.25.1

• Fix bug in Indentation linter where it would crash when a comment preceded a line whose indentation was being checked

0.25.0

• Fix bug in Indentation linter where @at-root directives with inline selectors would erroneously report incorrect indentation levels
• Fix bug in Indentation linter where rule nodes with selectors spread over multiple lines and a single inline property would incorrectly report a lint
• Add ElsePlacement linter which checks the position of @else directives with respect to the previous curly brace
• Replace allow_extra_spaces option on SpaceAfterPropertyColon linter with style which accepts multiple different property spacing styles
• Fix bug in PlaceholderInExtend linter which erroneously report lints for selectors with interpolated strings

0.24.1

• Fix bug in TrailingSemicolonAfterPropertyValue to not crash on a one-line property without a semicolon
• Fix crash due to DefaultReporter not being loaded on Windows machines
• Fix bug in MergeableSelector where it would crash checking rules with interpolation

0.24.0

• Extend DuplicateRoot to MergeableSelector linter to check for nested rule sets that can be merged in addition to root-level ones
• Add ConfigReporter formatter which returns a valid .scss-lint.yml configuration file where all linters that caused a lint are disabled
• Fix bug in Indentation linter where @at-root directives were not treated as an increase in indentation level
• Fix ZeroUnit to only report lints for zero values in lengths
• Fix crash in SingleLinePerSelector for selectors containing only interpolation
• Add --show-formatters option to display all available formatters
• Add HexValidation to validate hex colors
• Split HexFormat into HexLength (checking length) and HexNotation (checking lowercase / uppercase)

0.23.1

• Fix bug in SpaceAfterPropertyColon linter for properties with no terminating semicolon
• Fix bug in DuplicateRoot linter where incorrect lints would be reported in @keyframes directives

0.23.0

• Fix character escaping in XML attributes output by XMLReporter
• Fix bug in ZeroUnit where hex color codes or real numbers with a zero decimal unit would report a false positive
• Fix bug in Shorthand linter where !important priority overrides would prevent lints from being reported
• Add UnnecessaryMantissa linter which checks for zero value decimals in numbers (i.e. prefers 4 over 4.0)
• XMLReporter now includes column and length information for lints
• Fix class of bugs in SpaceBeforeBrace where a false positive could be reported for braces that aren't part of declarations
• Teach Compass::PropertyWithMixin to prefer inline-block mixin over display: inline-block
• Add DuplicateRoot linter which checks for identical rules used as root selectors in a document

0.22.0

• Add allow_single_line_padding option to SpaceBeforeBrace which allows you to visually align multiple single line blocks with extra padding spaces
• Add FinalNewline linter which checks for existence/lack of final newlines in files
• Fix bug in ZeroUnit linter where a string with a substring that looked like a zero followed by units would incorrectly report a lint
• Fix bug in TrailingSemicolonAfterPropertyValue where a lint would be incorrectly reported for properties split up over multiple lines
• Fix bug in UrlFormat where using a data URL would be incorrectly reported as a URL with protocol
• Add allow_extra_spaces option to SpaceAfterPropertyColon which allows you to use extra spaces to align values
• Fix bug in SpaceBeforeBrace linter when using { in single quotes

0.21.0

• Add support to DuplicateProperty linter to detect duplicate properties in placeholder and mixin declarations
• Add option ignore_single_line_blocks to the EmptyLineBetweenBlocks linter
• Add UrlFormat linter which reports uses of url(...) with URLs containing protocols or domains
• Replace colorize dependency with rainbows

0.20.3

• Fix bug in NameFormat linter where it would incorrectly report a lint for transform-related Compass mixins

0.20.2

• Fix bug in SpaceBeforeBrace where it would report a lint for #{...} interpolation erroneously

0.20.1

• Fix bug in SpaceBeforeBrace where it would not report a lint for one-line rule sets

0.20.0

• Add convention option to NameFormat allowing custom convention to be specified
• Fix bug in SpaceBetweenParens linter for majority of cases where a lint would be reported if parens existed inside a comment
• Add basic rake task

0.19.0

• Update Sass dependency to 3.3.0. All previous versions are not supported.
• Fix StringQuotes linter to not report lints for strings containing interpolation
• Fix configuration loading to gracefully report YAML errors

0.18.0

• Add order option to SortedProperties linter allowing an explicit ordering of properties to be specified
• Rename SortedProperties linter to PropertySortOrder

0.17.3

• Fix bug in XML output where DuplicateProperty linter message would result in invalid XML

0.17.2

• Merge DeclaredName and UsageName into NameFormat linter

0.17.1

• Downgrade colorize dependency from 0.6.0 back to 0.5.8

0.17.0

• Fix bug where SingleLinePerSelector would incorrectly report lint for selectors where interpolation contained commas
• Gracefully handle files with invalid byte sequences
• Add FilesReporter which prints out just the files that had lints
• Add exclude option to individual linter configurations, which disables that linter for files matching any of the specified set of globs
• Fix bug where scss-lint would crash if a .scss-lint.yml file contained only comments
• Teach scss-lint to report a lint when double quotes are used when single quotes will suffice (can be configured to prefer double quotes instead)
• Teach scss-lint to prefer quoted URLs
• Upgrade colorize dependency from 0.5.8 to 0.6.0
• Fix bug where SelectorDepth would error when encountering percentages inside of @keyframe declarations.

0.16.1

• Fix bug where data directory was not included in gemspec

0.16.0

• Add extra_properties option to PropertySpelling linter so additional CSS properties can be added to the whitelist
• Teach scss-lint to report a lint when rule sets, functions, or mixins are not separated from each other with an empty line

0.15.0

• Fix bug where SelectorDepth could incorrectly report a lint for selectors with sequences chained onto a parent selector
• Teach scss-lint to detect non-existent/misspelled properties
• Teach IdWithExtraneousSelector linter to not report lints for IDs with just pseudo-selectors
• Teach scss-lint to detect spaces in parentheses
• Fix bug where DuplicateProperty linter would incorrectly report lints for properties with vendor-prefix values

0.14.0

• Fix bug where ColorKeyword would incorrectly report a lint for identifiers containing color keywords as substrings
• Teach scss-lint to detect selectors with large depths of applicability
• Add -f/--format flags to allow different output format type
• Remove --xml flag in favor of -f XML/--format XML

0.13.0

• Teach scss-lint to load configuration via the --config flag
• Teach scss-lint to load configuration based on location of file being linted
• Allow Indentation linter to have configurable indent width
• Add exclude directive to configuration system, allowing you to specify glob patterns of files to not lint
• Allow use of wildcards when configuring linters so you can enable/disable entire namespaces
• Use semantic exit codes for common error conditions

0.12.1

• Teach scss-lint to prefer Compass mixins over some CSS properties
• Fix bug where Shorthand linter would crash on a numeric property value with no trailing semicolon

0.12.0

• Split PropertyFormat linter into SpaceAfterPropertyColon, SpaceAfterPropertyName, and TrailingSemicolonAfterPropertyValue linters
• Teach scss-lint to prefer spaces after commas in argument lists
• Display better error message for unexpected linter errors, including the name of the linter, the file that the linter failed on, and a link to the issue tracker

0.11.1

• Update Sass dependency from 3.2.10 -> 3.3.0.rc.1 for better source mapping
• Fix bug in ColorKeyword where an incorrect lint would be reported for the "transparent" color keyword

0.11.0

• Fix bug in Shorthand linter where a property with interpolation that started with a shorthandable property name could report false positives
• Improve message reported by Shorthand linter to display the shortest possible form
• Syntax errors are now differentiated from lint warnings in scss-lint's output by using E and W respectively.
• NoZeroBeforeDecimal linter has been renamed to LeadingZero
• Fix bug where LeadingZero linter would not report lints for numeric values appearing in Sass script (e.g. function arguments)
• Teach scss-lint to detect duplicate properties in a rule set
• Teach scss-lint to detect incorrect indentation

0.10.1

• Fix bug where HexFormat linter would crash on color keywords
• Fix bug where ColorKeyword linter would not detect color keywords in shorthand properties and function/mixin calls

0.10.0

• Teach scss-lint to prefer hexadecimal colors over color names
• Linters can now define visit_* methods for visiting selectors
• Linters can now report lints with context-specific descriptions
• Fix bug where CapitalizationInSelector would report lint for attribute selectors with values containing capital letters
• DeclaredName and UsageName linters now report context-specific lint descriptions (i.e. they mention whether the offending item is a function, variable, etc.)
• TypeInIdSelector was renamed to IdWithExtraneousSelector and now reports a lint for the use of an ID with any other selector
• Upgrade Sass gem dependency to 3.2.10
• Fix bug where ZeroUnit linter would not report lints for properties with lists of values or Sass script
• Fix bug where HexFormat linter would report lints for ID selectors with names that could be hexadecimal color values

0.9.0

• Add --show-linters flag for listing all linters available to scss-lint
• Change --ignore-linter flag to use CamelCase linter names instead of snake_case
• Removed -x alias for --xml flag
• Change -i/--ignore-linter flags to -x/--exclude-linter
• Add -i/--include-linters flag to specify a subset of linters
• Fix bug where using transform-related functions were reported as lints
• Teach scss-lint that .5em is preferred over 0.5em
• Teach scss-lint to prefer lowercase characters in selectors
• Linters names no longer have a Linter suffix
• Teach scss-lint that @extend should use placeholder selectors
• Fix bug where a lint would be reported for hyphened keyword arguments
• Teach scss-lint to recognize vendor-prefixed properties when enforcing sort order

0.8.0

• Handle non-existent files/directories gracefully
• Teach scss-lint that opening curly braces should be preceded by one space
• Teach scss-lint that placeholder names should be lowercase and use hyphens

0.7.1

• Upgrade Sass gem dependency from 3.2.8 -> 3.2.9
• Fixed crash that occurred for directive nodes (@media, etc.)

0.7.0

• Teach scss-lint that border: 0; is preferred over border: none;
• Teach scss-lint that variable names should not contain underscores or capital letters
• Teach scss-lint that function and mixin names follow same rules as variables
• Fix shorthand linter to work with Sass script expressions
• Fix property format linter to work with interpolated expressions
• Teach scss-lint to check names of functions/mixins/variables in scripts
• Fix hex color linter to work with Sass script expressions
• Teach scss-lint that // comments should be preferred over /**/ comments
• Upgrade Sass gem dependency from 3.2.7 -> 3.2.8

0.6.7

• Fixed --ignore-linters flag

0.6.6

• Fixed --version flag to not error due to not autoloading VERSION
• Trailing newlines are no longer output by default in linter output

0.6.5

• Major refactor of the Linter class to use Visitor pattern
• Fix shorthand linter for lists containing function calls

0.6

• Only lint files with css or scss extensions
• Fix recursive directory scanning
• Fix specs on Sass gem >= 3.2.6 (ShorthandLinter was failing)
• Add changelog (the thing you're reading)
• Add command-line flags (e.g. --version, --help)
• Add --xml flag for outputting XML
• Add --exclude flag for excluding SCSS files from being linted
• Add --ignore-linters flag to skip lints produced by certain linters

0.5.2

• Version bump to remove erroneously added untracked files from gem

0.5

• Improve clarity of shorthand linter through naming
• Teach scss-lint property: 10px 10px can be shorter
• Clarify ShorthandLinter spec structure

0.4

• Add linter for unnecessary types in selectors

0.3

• Teach scss-lint that selectors each get their own line

0.2

• Teach scss-lint about nested property syntax
• Teach scss-lint to detect too-long shorthand values
• Make scss-lint detect space before semicolon
• Add linter for order of declarations

0.1

• Initial public release