/** * Helper to detect borders of a given element */ export function getBordersSize(styles: CSSStyleDeclaration, axis: string): number { const sideA = axis === 'x' ? 'Left' : 'Top'; const sideB = sideA === 'Left' ? 'Right' : 'Bottom'; return ( parseFloat((styles as never)[`border${sideA}Width`]) + parseFloat((styles as never)[`border${sideB}Width`]) ); }