csslib

• Fixed a crash caused by min(), max() and clamp() functions that contain mathematical expressions.
• Add commas between PercentageTerms in keyframe rules.

• Fix Color.css constructor when there are double values in the rgba string.

• Migrate to null safety.
• Font.merge and BoxEdge.merge are now static methods instead of factory constructors.
• Add a type on the identList argument to TokenKind.matchList.
• Remove workaround for https://github.com/dart-lang/sdk/issues/43136, which is now fixed.

• Added support for escape codes in identifiers.

• Fixed a crash caused by parsing certain calc() expressions and variables names that contain numbers.

• Removed support for the shadow-piercing comibnators /deep/ and >>>. These were dropped from the Shadow DOM specification.

• BREAKING
  • Removed css executable from bin directory.
  • Removed the deprecated css.dart library.
  • Message.level is now of type MessageLevel defined in this package.
• Removed dependencies on package:args and package:logging.
• Require Dart SDK >=2.1.0.

• Removed whitespace between comma-delimited expressions in compact output.

  Before:

  div{color:rgba(0, 0, 0, 0.5);}
  

  After:

  div{color:rgba(0,0,0,0.5);}
  

• Removed last semicolon from declaration groups in compact output.

  Before:

  div{color:red;background:blue;}
  

  After:

  div{color:red;background:blue}
  

• Fixed a crashed caused by parsing :host() without an argument and added an error message explaining that a selector argument is expected.

• Reduced whitespace in compact output for the @page at-rule and margin boxes.
• Updated SDK version to 2.0.0-dev.17.0.
• Stop using deprecated constants.

• Set max SDK version to <3.0.0, and adjust other dependencies.

• Reduced the amount of whitespace in compact output around braces.

• Fixed Dart 2 runtime failure.

• Deprecated package:csslib/css.dart. Use parser.dart and visitor.dart instead.

New features

• Supports nested at-rules.
• Supports nested HTML comments in CSS comments and vice-versa.

Breaking changes

• The List<RuleSet> rulesets field on MediaDirective, HostDirective, and StyletDirective has been replaced by List<TreeNode> rules to allow nested at-rules in addition to rulesets.

• Adds support for @viewport.
• Adds support for -webkit-calc() and -moz-calc().
• Adds support for querying media features without specifying an expression. For example: @media (transform-3d) { ... }.
• Prevents exception being thrown for invalid dimension terms, and instead issues an error.

• Adds support for @-moz-document.
• Adds support for @supports.

• Parses CSS 2.1 pseudo-elements as pseudo-elements instead of pseudo-classes.
• Supports signed decimal numbers with no integer part.
• Fixes parsing hexadecimal numbers when followed by an identifier.
• Fixes parsing strings which contain unicode-range character sequences.

• Adds support for shadow host selectors :host() and :host-context().
• Adds support for shadow-piercing descendant combinator >>> and its alias /deep/ for backwards compatibility.
• Adds support for non-functional IE filter properties (i.e. filter: FlipH).
• Fixes emitted CSS for @page directive when body includes declarations and page-margin boxes.
• Exports Message from parser.dart so it's no longer necessary to import src/messages.dart to use the parser API.

• Fixes analyzer error.

• Fix new strong mode error.

• Fix static warnings.

• Relax type of TreeNode.visit, to allow returning values from visitors.

• Fix two checked mode bugs introduced in 0.13.0.

• BREAKING Fix all strong mode errors and warnings. This involved adding more precise on some public APIs, which is why it may break users.

• Fix to handle calc functions however, the expressions are treated as a LiteralTerm and not fully parsed into the AST.

• Fix to handling of escapes in strings.

• Allow the latest version of logging package.

• Top-level methods in parser.dart now take PreprocessorOptions instead of List<String>.

• PreprocessorOptions.inputFile is now final.

• Fix another test that was failing on IE10.

• Cleanup some ambiguous and some incorrect type signatures.

• Switch from source_maps' Span class to source_span's SourceSpan class.