import { CSSProperties } from 'react' ; import { resolveStyles } from 'treat' ; import { ThemeOrAny } from 'treat/theme' ; import { LiteralUnion , ValueOf } from 'type-fest' ; import { Tokens } from './theme' ; import { useTheme } from './ThemeContext' ; import { useDynamicStyling } from './useDynamicStyling' ; import styleRefs from './useStyling.treat' ; type ResolveShorthand < T extends Tokens < 'shorthands' > > = ValueOf < ThemeOrAny [ 'shorthands' ] [ T ] , number > ; type ResolveAlias < T extends Tokens < 'aliases' > > = ThemeOrAny [ 'aliases' ] [ T ] extends Tokens < 'shorthands' > ? ResolveShorthand < ThemeOrAny [ 'aliases' ] [ T ] > : ThemeOrAny [ 'aliases' ] [ T ] ; type ScaleKeys < Property > = LiteralUnion < Extract < keyof ThemeOrAny [ 'scales' ] [ ThemeOrAny [ 'matchers' ] [ Extract < Property , Tokens < 'matchers' > > ] ] , ValueOf < CSSProperties > > , ValueOf < CSSProperties > > ; export type ThemedStyle = CSSProperties & { [ key in Tokens < 'matchers' > ] ? : ScaleKeys < key > ; } & { [ key in Tokens < 'shorthands' > ] ? : ScaleKeys < ResolveShorthand < key > > ; } & { [ key in Tokens < 'aliases' > ] ? : ScaleKeys < ResolveAlias < key > > ; } ; export function useStyling ( ) { const getDynamicClassName = useDynamicStyling ( ) ; const theme = useTheme ( ) ; const staticClassNames = theme ? resolveStyles ( theme . ref , styleRefs ) : { } ; return function sx ( themedStyle ) : string { let className = '' ; for ( const alias in themedStyle ) { const value = themedStyle [ alias as keyof ThemedStyle ] ; if ( value != null ) { const shorthand = ( theme && theme . aliases [ alias ] ) || alias ; ( ( theme && theme . shorthands [ shorthand ] ) || [ shorthand ] ) . forEach ( ( property ) => { if ( typeof value !== 'object' ) { const identName = `${ property }-${ value }` ; className += ` ${ staticClassNames [ identName ] || getDynamicClassName ( identName , property , value ) }` ; } } ) ; } } return className . slice ( 1 ) ; } ; }