prices.js

const axios = require('axios');
const cheerio = require('cheerio');

const url = 'https://boardgamegeek.com/collection/user/gdboling';

let ids = [];
let prices = [];
foo();
console.log(prices);

async function foo() {
    const response = await axios.get(url);
    const data = response.data;
    const $ = cheerio.load(data);

    $('#collectionitems tbody tr td:nth-child(1)').each((idx, element) => {
        const href = $(element).find('a').attr('href');
        const id = href.split('/')[2];
        ids.push(id);
    });
    
    ids.map( async id => {
        console.log('calling market for id', id);
        const r2 = await axios.get('https://api.geekdo.com/api/geekmarket/products?ajax=1&browsetype=browse&colluserid=0&condition=any&country=any&currency=any&displaymode=list&eventid=0&findmywants=0&inventorytype=any&marketdomain=boardgame&nosession=1&objectid=' + id + '&objecttype=thing&pageid=1&productstate=active&shiparea=any&sort=recent&stock=instock&userid=0');
        const market = r2.data;
        const products = market.products;
                
        let p = 0;
        products.map(product => {
            try {
                p = p + parseFloat(product.price);
            }catch(e) {
                console.log(e);
            }
            prices.push(p / products.length)
        });
        console.log('done with market for id', id);
    });
}