October 23, 2023
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import { fetchJSON } from "https://esm.town/v/stevekrouse/fetchJSON?v=41";
export let currency = async (base = "eur", desired, amount = 1) => {
let { rates } = await fetchJSON(
"https://open.er-api.com/v6/latest/eur"
);
if (rates && rates[desired.toUpperCase()])
return amount * rates[desired.toUpperCase()];
else {
let { rates } = await fetchJSON(
"https://api.coingecko.com/api/v3/exchange_rates"
);
return (
(amount * rates[desired.toLowerCase()]?.value) /
rates[base.toLowerCase()]?.value
);
}
};
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October 23, 2023