modern/src/common/converter.js


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export const speedConverter = (value, unit) => {
  let factor;
  switch (unit) {
    case 'kmh':
      factor = 1.852;
      break;
    case 'mph':
      factor = 1.15078;
      break;
    case 'kn':
    default:
      factor = 1;
  }
  return (value * factor).toFixed(2);
};

export const distanceConverter = (value, unit) => {
  let factor;
  switch (unit) {
    case 'mi':
      factor = 0.000621371;
      break;
    case 'nmi':
      factor = 0.000539957;
      break;
    case 'km':
    default:
      factor = 0.001;
  }
  return (value * factor).toFixed(2);  
}