fetch-await.es7.js

/**
 * Created by eniv on 2015. 12. 27..
 */
let fetch = require('node-fetch');
let _ = require('lodash');


async function getCurrency(from, to) {
    let res = await fetch('http://finance.yahoo.com/webservice/v1/symbols/allcurrencies/quote?format=json');
    let currency_data = await res.json();

    return _.find(
        currency_data.list.resources,
        r => r.resource.fields.name == `${from}/${to}`)
}

async function test() {
    let price = await getCurrency('USD', 'KRW')
    console.log(price)
}

test();

console.log("test");

/////////////////////////////////////


test
{ resource: 
   { classname: 'Quote',
     fields: 
      { change: '0.000000',
        chg_percent: '0.000000',
        name: 'USD/KRW',
        price: '1164.944946',
        symbol: 'KRW=X',
        ts: '1451134500',
        type: 'currency',
        utctime: '2015-12-26T12:55:00+0000',
        volume: '0' } } }