type PaddingOptions = { all?: number left?: number right?: number top?: number bottom?: number } export type PaddingStyle = { top: number bottom: number left: number right: number } export const padding_style = (options: PaddingOptions): PaddingStyle => { const { all, top, bottom, left, right } = options if (all !== undefined) return { top: all, bottom: all, left: all, right: all, } if ( top === undefined && bottom === undefined && left === undefined && right === undefined ) throw new Error("Padding must have at least one value") return { top: top || 0, bottom: bottom || 0, left: left || 0, right: right || 0, } }