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Apollo Client/Getting Started sample2
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import {gql, useQuery} from '@apollo/client'; | |
const EXCHANGE_RATES = gql` | |
query GetExchangeRates { | |
rates(currency: "USD") { | |
currency | |
rate | |
} | |
} | |
`; | |
interface RateData { | |
currency: string, | |
rate: string, | |
} | |
function ExchangeRates() { | |
const {loading, error, data} = useQuery(EXCHANGE_RATES); | |
if (loading) return <p>Loading...</p>; | |
if (error) return <p>Error :(</p>; | |
return data.rates.map((data: RateData) => ( | |
<div key={data.currency}> | |
<p> | |
{data.currency}: {data.rate} | |
</p> | |
</div> | |
)); | |
} | |
export default ExchangeRates; |
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