/**
 * Utility methods for dealing with colors.
 */ export function hexToHSL ( hex ) { const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i . exec ( hex ) ! ; let r = parseInt ( result [ 1 ] , 16 ) ; let g = parseInt ( result [ 2 ] , 16 ) ; let b = parseInt ( result [ 3 ] , 16 ) ; r /= 255 ; g /= 255 ; b /= 255 ; const max = Math . max ( r , g , b ) , min = Math . min ( r , g , b ) ; let h = 0 , s , l = ( max + min ) / 2 ; if ( max == min ) { h = s = 0 ; } else { const d = max - min ; s = l > 0.5 ? d / ( 2 - max - min ) : d / ( max + min ) ; switch ( max ) { case r : h = ( g - b ) / d + ( g < b ? 6 : 0 ) ; break ; case g : h = ( b - r ) / d + 2 ; break ; case b : h = ( r - g ) / d + 4 ; break ; } h /= 6 ; } s = s * 100 ; s = Math . round ( s ) ; l = l * 100 ; l = Math . round ( l ) ; h = Math . round ( 360 * h ) ; const colorInHSL = "hsl(" + h + ", " + s + "%, " + l + "%)" ; return colorInHSL ; } export const strToHSL = ( string ) => { let hash = 0 ; if ( string . length !== 0 ) { for ( let i = 0 ; i < string . length ; i ++ ) { hash = string . charCodeAt ( i ) + ( ( hash << 5 ) - hash ) ; hash = hash & hash ; } } const shortened = hash % 360 ; return "hsl(" + shortened + ",100%,30%)" ; } ; export const changeColorLightness = ( hslString , newLum ) => { const [ h , s ] = hslString . replace ( /[^\d.,]/g , "" ) . split ( "," ) ; return `hsl(${ h }, ${ s }%, ${ newLum }%)` ; } ; export const changeColorSaturation = ( hslString , newSat ) => { const [ h , , l ] = hslString . replace ( /[^\d.,]/g , "" ) . split ( "," ) ; return `hsl(${ h }, ${ newSat }%, ${ l }%)` ; } ; /**
 * Returns a shade of `hslString` that's close to the current
 * textPrimary text color.
 */ export const getPrimaryColor = ( isDark , hslString ? ) => hslString ? isDark ? changeColorLightness ( changeColorSaturation ( hslString , 75 ) , 80 ) : changeColorLightness ( hslString , 45 ) : isDark ? "#fdfdfd" : "#333333" ; /**
 * Returns a shade of `hslString` that's close to the current
 * backgroundPrimary text color.
 */ export const getSecondaryColor = ( isDark , hslString ? ) => hslString ? isDark ? changeColorLightness ( changeColorSaturation ( hslString , 10 ) , 30 ) : changeColorLightness ( hslString , 90 ) : isDark ? "#565656" : "#f1f1f1" ;