47 lines
1.7 KiB
TypeScript
47 lines
1.7 KiB
TypeScript
import { ReactNode, useCallback, useEffect, useState } from 'react';
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import { AsyncStatus, useAsyncCallback } from '../hooks/useAsyncCallback';
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import { ClientConfig } from '../hooks/useClientConfig';
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import { trimTrailingSlash } from '../utils/common';
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// Same-origin static asset that arrives in <2s under any sane network. 10s
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// converts hung TCP / silent CDN limbo into a real AsyncStatus.Error so
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// ConfigConfigError's Retry/Continue can recover the boot — without the
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// timeout the user sits on an unmovable splash forever.
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const CONFIG_FETCH_TIMEOUT_MS = 10_000;
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const getClientConfig = async (): Promise<ClientConfig> => {
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const url = `${trimTrailingSlash(import.meta.env.BASE_URL)}/config.json`;
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const config = await fetch(url, {
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method: 'GET',
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signal: AbortSignal.timeout(CONFIG_FETCH_TIMEOUT_MS),
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});
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return config.json();
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};
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type ClientConfigLoaderProps = {
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fallback?: () => ReactNode;
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error?: (err: unknown, retry: () => void, ignore: () => void) => ReactNode;
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children: (config: ClientConfig) => ReactNode;
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};
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export function ClientConfigLoader({ fallback, error, children }: ClientConfigLoaderProps) {
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const [state, load] = useAsyncCallback(getClientConfig);
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const [ignoreError, setIgnoreError] = useState(false);
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const ignoreCallback = useCallback(() => setIgnoreError(true), []);
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useEffect(() => {
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load();
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}, [load]);
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if (state.status === AsyncStatus.Idle || state.status === AsyncStatus.Loading) {
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return fallback?.();
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}
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if (!ignoreError && state.status === AsyncStatus.Error) {
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return error?.(state.error, load, ignoreCallback);
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}
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const config: ClientConfig = state.status === AsyncStatus.Success ? state.data : {};
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return children(config);
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}
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