Forked from stevekrouse/currency
Public
Script
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import { fetchJSON } from "https://esm.town/v/stevekrouse/fetchJSON";
export let currency = async (desired, base = "usd", amount = 1) => {
let { rates } = await fetchJSON(`https://open.er-api.com/v6/latest/${base}`);
if (rates && rates[desired.toUpperCase()]) return amount * (rates[desired.toUpperCase()]);
else {
let { rates } = await fetchJSON(
`https://api.coingecko.com/api/v3/exchange_rates?&x_cg_demo_api_key=${Deno.env.get("COINGECKO_API_KEY")}`,
);
return amount * rates[desired.toLowerCase()]?.value / rates[base.toLowerCase()]?.value;
}
};
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August 7, 2024