v0.4.0

0.4.0

Minor Changes

• #511 f2c69ea Thanks @toakleaf! - ## Bug Fixes

  • Fix !important handling in variable declarations, merge declarations, and anonymous values
  • Fix Anonymous color values in contrast() and other color functions
  • Preserve calc() expressions in mixin default values
  • Fix @page pseudo-selectors and variable hoisting in imports
  • Fix parser handling of unmatched closing braces in ParseUntil to prevent over-consumption
  • Fix Sub() parser to match Less.js behavior for parens-error tests
  • Preserve parentheses in parenthesized list values with comma separation
  • Fix extend property formatting to match Less.js behavior
  • Fix namespace property access evaluation to Dimension for math operations
  • Prevent property merge duplication when using property accessors
  • Fix arrow function syntax handling with parameters in Less variables
  • Preserve frames for variable imports during path interpolation
  • Fix Quoted node evaluation inside URL for variable interpolation
  • Prevent incorrect deduplication of multi-target extends
  • Remove extra whitespace when extend-only rulesets are inside media queries
  • Stabilize import-remote test by pinning @less/test-data@4.4.2

  Performance Improvements

  • Add ReleaseTree function for improved object pool utilization
  • Convert CSS output methods from slice concatenation to strings.Builder for reduced allocations
  • Add context map pool for evaluation phase allocations
  • Optimize Selector.CreateDerived to reduce map allocations
  • Optimize EvalCall memory allocations in MixinDefinition
  • Reduce unnecessary map allocations in CSS generation phase

  Testing

  • Expand benchmark test suite to include custom integration tests
  • Add extensive test variations for overfitting detection across math modes, mixins, and other features