Error in persian Leaps

[javadshariati-tiddev]

calendars/cjs/persian.js

error in getLeaps method

issue in react-multi-date-picker

jalaali moment is OK 👍

// isLeaps in jalaali moment
function div(a, b) {
  return ~~(a / b)
}

function mod(a, b) {
  return a - ~~(a / b) * b
}
function jalCalLeap(jy) {
var breaks =  [ -61, 9, 38, 199, 426, 686, 756, 818, 1111, 1181, 1210
  , 1635, 2060, 2097, 2192, 2262, 2324, 2394, 2456, 3178
  ]
  var bl = breaks.length
    , jp = breaks[0]
    , jm
    , jump
    , leap
    , n
    , i

  if (jy < jp || jy >= breaks[bl - 1])
    throw new Error('Invalid Jalaali year ' + jy)

  for (i = 1; i < bl; i += 1) {
    jm = breaks[i]
    jump = jm - jp
    if (jy < jm)
      break
    jp = jm
  }
  n = jy - jp

  if (jump - n < 6)
    n = n - jump + div(jump + 4, 33) * 33
  leap = mod(mod(n + 1, 33) - 1, 4)
  if (leap === -1) {
    leap = 4
  }

  return leap
}

ex: 1341 / 1342