date-fns/src/_lib/toInteger/index.ts


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export default function toInteger(dirtyNumber: unknown) {
  if (dirtyNumber === null || dirtyNumber === true || dirtyNumber === false) {
    return NaN
  }

  const number = Number(dirtyNumber)

  if (isNaN(number)) {
    return number
  }

  return number < 0 ? Math.ceil(number) : Math.floor(number)
}