47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
import { useEffect, useState } from 'react'
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import { Button } from 'react-bootstrap'
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import useSWR from 'swr'
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const fetcher = url => fetch(url).then(res => res.json())
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export default function Price () {
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const [asSats, setAsSats] = useState(undefined)
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useEffect(() => {
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setAsSats(localStorage.getItem('asSats'))
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}, [])
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const { data } = useSWR(
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'https://api.coinbase.com/v2/prices/BTC-USD/spot',
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fetcher,
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{
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refreshInterval: 30000
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})
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if (!data || !data.data) return null
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const fixed = (n, f) => Number.parseFloat(n).toFixed(f)
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const handleClick = () => {
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if (asSats) {
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localStorage.removeItem('asSats')
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setAsSats(undefined)
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} else {
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localStorage.setItem('asSats', 'yep')
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setAsSats('yep')
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}
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}
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if (asSats) {
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return (
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<Button className='text-reset' onClick={handleClick} variant='link'>
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{fixed(100000000 / data.data.amount, 0) + ' sats/$'}
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</Button>
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)
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}
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return (
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<Button className='text-reset' onClick={handleClick} variant='link'>
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{'$' + fixed(data.data.amount, 2)}
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</Button>
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)
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}
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