I18njs pluralization pl

I18njs_pluralization_pl.js

I18n.pluralization["pl"] = function (count) {
  var n = count || 0
  var mod10 = count % 10
  var mod100 = count % 100

  key = "zero"

  if ( n == 0 ) {
    key = "zero";
  } else if ( n == 1 ) {
    key = "one";
  } else if ([2, 3, 4].includes(mod10) && ![12, 13, 14].includes(mod100)) {
    key = "few";
  } else if ([0, 1, 5, 6, 7, 8, 9].includes(mod10) || [12, 13, 14].includes(mod100)) {
    key = "many";
  } else {
    key = "other";
  }

  return [key];
};