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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | import { Chip, keyframes, styled, useMediaQuery, useTheme, } from "@mui/material"; import React, { useState } from "react"; // Define the keyframes animation const attention = keyframes` from { opacity: 0.5; } to { opacity: 0.9; } `; const Banner = styled(Chip)(({ theme }) => ({ animation: `${attention} 2s infinite alternate`, position: "fixed", bottom: theme.spacing(12), right: theme.spacing(1), zIndex: 5000, backgroundColor: theme.palette.error.main, color: theme.palette.common.white, })); export function EnvironmentBanner() { const theme = useTheme(); const isBelowSm = useMediaQuery(theme.breakpoints.down("md")); const [isShown, setIsShown] = useState( process.env.NEXT_PUBLIC_COUCHERS_ENV !== "prod" ); return isShown ? ( <Banner label={`This is a preview build of the app.${ !isBelowSm ? " It uses a separate database to the production app." : "" }`} onDelete={() => setIsShown(false)} /> ) : null; } |