cesnimda
60 lines
2.3 KiB
TypeScript
60 lines
2.3 KiB
TypeScript
import React, { useEffect, useState } from "react";
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import { Alert, Box, Button, CircularProgress, Typography } from "@mui/material";
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import { visuallyHidden } from "@mui/utils";
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import type { ViewResourceError } from "../hooks/useViewResource";
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import { useI18n } from "../i18n/I18nProvider";
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type Props = {
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loading?: boolean;
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error?: ViewResourceError | null;
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title: string;
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description?: string;
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retryLabel?: string;
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onRetry?: () => void | Promise<void>;
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compact?: boolean;
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};
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export default function ViewStateNotice({ loading = false, error = null, title, description, retryLabel, onRetry, compact = false }: Props) {
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const { t } = useI18n();
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const resolvedRetryLabel = retryLabel ?? t("retry");
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const [observedLoading, setObservedLoading] = useState(loading);
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useEffect(() => { if (loading) setObservedLoading(true); }, [loading]);
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// Keep one live region mounted through the read. An idle/error-only consumer
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// has not completed a load; unrelated form edits must not announce anything.
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const status = <Box component="span" role="status" aria-live="polite" aria-atomic="true" sx={visuallyHidden}>
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{loading ? t("loading") : !error && observedLoading ? t("contentLoaded") : ""}
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</Box>;
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if (loading) {
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return (
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<>{status}<Box sx={{ py: compact ? 3 : 6, display: "flex", justifyContent: "center" }}>
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<CircularProgress size={compact ? 24 : 28} aria-label={t("loading")} />
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</Box></>
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);
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}
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if (!error) return <>{status}</>;
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const severity = error.kind === "unauthorized" ? "warning" : error.kind === "unavailable" ? "error" : "error";
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const detail = error.message !== title && error.message !== description ? error.message : null;
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return (
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<>{status}<Alert
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severity={severity}
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sx={{
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mb: compact ? 1.5 : 2,
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alignItems: "flex-start",
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borderRadius: 3,
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}}
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action={error.retryable && onRetry ? <Button color="inherit" size="small" onClick={() => void onRetry()}>{resolvedRetryLabel}</Button> : undefined}
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>
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<Typography sx={{ fontWeight: 800, mb: 0.35 }}>{title}</Typography>
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{description ? <Typography variant="body2">{description}</Typography> : null}
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{detail ? <Typography variant="body2" sx={{ mt: 0.5 }}>{detail}</Typography> : null}
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</Alert></>
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);
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}
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