// for Typescript / ESM
import { calculateRank, getByName } from 'pokemon-go-pvp-rank';

// for Common JS
const { calculateRank, getByName } = require('pokemon-go-pvp-rank');

const pokedexEntry = getByName({ name: 'Machamp' });
const { rank, occurence } = calculateRank({
    pokedexEntry,
    // refs from pokémon being compared (1-15)
    refAttackStat: 1,
    refDefenseStat: 14,
    refHealthStat: 14,
    // max league CP
    maxCP: 1500,
    // max desired level (1-55)
    maxLevel: 40,
    // minimum stat:
    //  0 - wild
    //  1 - good friend trade
    //  2 - great friend trade
    //  3 - ultra friend trade
    //  4 - weather boost
    //  5 - best friend trade
    // 10 - raid/egg/mission
    // 12 - lucky
    minimumStatValue: 0,
});

{
  attackStat: 1,
  defenseStat: 14,
  healthStat: 14,
  level: 18,
  attackProduct: 133.1873121765,
  defenseProduct: 98.04853194270001,
  healthProduct: 125,
  product: 1632352.55403749,
  cp: 1475,
  rank: 235
}