Function getKnobPosition

core/src/components/range/range.tsx:1225–1239

(knob: 'A' | 'B', ratioA: number, ratioB: number, dualKnobs: boolean)

 * knob "B" as the upper position.
 */
const getKnobPosition = (knob: 'A' | 'B', ratioA: number, ratioB: number, dualKnobs: boolean): 'lower' | 'upper' => {
  if (!dualKnobs) {
    return 'lower';
  }

  if (ratioA === ratioB) {
    return knob === 'A' ? 'lower' : 'upper';
  }

  if (knob === 'A') {
    return ratioA < ratioB ? 'lower' : 'upper';
  }

  return ratioB < ratioA ? 'lower' : 'upper';
};

const ratioToValue = (ratio: number, min: number, max: number, step: number): number => {
  let value = (max - min) * ratio;