Validate VIN function

validateVin.js

export const validateVin = value => {
  if (value.length !== 17) return false

  let chars = 'ABCDEFGHJKLMNPRSTUVWXYZ0123456789'
  let nValue = new Array(
    1,
    2,
    3,
    4,
    5,
    6,
    7,
    8,
    1,
    2,
    3,
    4,
    5,
    7,
    9,
    2,
    3,
    4,
    5,
    6,
    7,
    8,
    9,
    0,
    1,
    2,
    3,
    4,
    5,
    6,
    7,
    8,
    9
  )
  let nWeight = new Array(8, 7, 6, 5, 4, 3, 2, 10, 0, 9, 8, 7, 6, 5, 4, 3, 2)
  let nAccum = 0

  for (let i = 0; i < 17; i++) {
    if (i !== 8) {
      nAccum += nValue[chars.indexOf(value[i])] * nWeight[i]
    }
  }

  let cCheckDigit
  let nCheckDigit = nAccum % 11

  if (nCheckDigit === 10) {
    cCheckDigit = 'X'
  } else {
    cCheckDigit = nCheckDigit.toString()
  }

  if (value[8] !== cCheckDigit) {
    return false
  } else {
    return true
  }
}