pokemon.js/src/pogo/methods/pokemon/getBuddyDistance.js

A JavaScript library that makes interacting with PokeAPI easier

const get = require('../../utils/get');
/** Returns the distance in kilometers required to walk before buddy pokemon gives you a candy.
 * @param {*} pokemon 
 * @returns {Promise<Number>}*/
module.exports = async function getBuddyDistance(pokemon) {
    if (pokemon.includes('alolan')) pokemon = pokemon.replace('alolan', '').trim();
    else if (pokemon.includes('galarian')) pokemon = pokemon.replace('galarian', '').trim();
    else if (pokemon.includes('alola')) pokemon = pokemon.replace('alola', '').trim();
    else if (pokemon.includes('galar')) pokemon = pokemon.replace('galar', '').trim();
    let pokeData = await get('pokemon_buddy_distances.json');
    const dt = [];
    for (const item of Object.values(pokeData)) { dt.push(...item) }
    let data = dt.filter(pkm => pkm.pokemon_name.toLowerCase() === pokemon.toLowerCase() && pkm.form === 'Normal');
    if (data.length) return data[0].distance;
    return undefined;
}