ES2015 Module Version

Added

• Export module version for tree-shaking

Remove `displayName` Argument

Changed

• Use free-style@3
• Remove displayName param (use $displayName in free-style@3)

Normalize Allowed CSS Values

Fixed

• Normalize CssValue types to allow strings everywhere and support recursive CSS nested arrays

Support CSS Arrays

Added

• Support an array of CSS values and automatically "join" into multiple class names

Remove Deprecated APIs

Changed

• Simplify external API, remove deprecated methods
  • Remove createStyles() function
  • Remove composeStyle() in favor of existing join(...) utility
  • Add useCss() for using any CSS object, cached css() object or computed functional style

Added

• Allow undefined and string values as parameters to join(...) utility

CSS property functions

Added

• Allow css property to accept functions, allows pre-computed styles
• Expose css() helper function that precomputes styles (e.g. re-used in css props or composition)
• Expose join() helper for combining CSS functions (e.g. join style functions/objects over class names)

Compose Styles Before Registering Styles

Fixed

• Ensure composition of styles happens before registering new styles

Styled Composition

Added

• Support composition of styled components

Document Themes

Added

• Add documentation on how to do your own themes since it's built-in to React but usually abstracted away by other libraries

JSX Pragma and Defined Tags Support

Added

• Expose jsx pragma support for primitive types
• Expose tags module for pre-defined HTML tags as components