commerce/lib/spree/utils/validations/validate-products-prerender-count.ts

const validateProductsPrerenderCount = (prerenderCount: unknown): number => {
  let prerenderCountInteger: number;

  if (typeof prerenderCount === 'string') {
    prerenderCountInteger = parseInt(prerenderCount);
  } else if (typeof prerenderCount === 'number') {
    prerenderCountInteger = prerenderCount;
  } else {
    throw new TypeError('prerenderCount count must be a string containing a number or an integer.');
  }

  if (prerenderCountInteger < 0) {
    throw new RangeError('prerenderCount must be non-negative.');
  }

  return prerenderCountInteger;
};

export default validateProductsPrerenderCount;