Fetch All Tickers To Files 2

// @NO_AUTO_TRANSPILE
import ccxt from '../../js/ccxt.js';
import { writeFileSync } from 'fs';
import path from 'path';
const enableRateLimit = true, exchanges = {}, tickers = {};
ccxt.exchanges.forEach(id => {
    try {
        const exchange = new ccxt[id]();
        if (exchange.has['fetchTickers']) {
            exchanges[id] = exchange;
        }
    }
    catch (e) {
        console.log('Failed to initialize', id, e.constructor.name, e.message);
    }
});
async function main() {
    console.log('Started');
    const start = Date.now();
    try {
        const promises = Object.values(exchanges).map((exchange) => ((async () => {
            console.log(exchange.id);
            try {
                const response = await exchange.fetchTickers();
                tickers[exchange.id] = response;
            }
            catch (e) {
                console.log('Failed to fetchTickers() from', exchange.id);
            }
        })()));
        await Promise.all(promises);
    }
    catch (e) {
        console.log('Failed awaiting all exchanges to complete');
    }
    Object.entries(tickers).forEach(([id, response]) => {
        const folder = 'C:/myproject/tickers';
        const filename = `${id}-tickers.json`;
        console.log(path.join(folder, filename));
        writeFileSync(path.join(folder, filename), JSON.stringify(response));
    });
    const end = Date.now();
    console.log(`Fetched tickers in ${(end - start) / 1000} seconds`);
}
main();