const HUNDRED_PERCENT = { isDynamic : true , multiplier : 1 } as const ; export default function parseLength ( input ) { if ( input === 'auto' || input === '100%' ) { return HUNDRED_PERCENT ; } if ( typeof input === 'string' && input . length > 0 && input [ input . length - 1 ] === '%' ) { return { isDynamic : true , multiplier : parseFloat ( input ) / 100 } ; } const value = typeof input === 'number' ? input : parseFloat ( input ) ; return { isDynamic : false , value } ; }