81 lines
2.6 KiB
TypeScript
81 lines
2.6 KiB
TypeScript
'use client';
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import { createContext, useCallback, useContext, useEffect, useMemo, useState } from 'react';
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import { fetchPublicSettingsClient, getDefaultProjectName, getDefaultProjectTagline } from '@/lib/api';
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import { mergePublicSettings, readCachedPublicSettings, writeCachedPublicSettings } from '@/lib/public-settings-cache';
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interface PublicSettingsContextValue {
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projectName: string;
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projectTagline: string;
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isLoading: boolean;
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refreshPublicSettings: () => Promise<void>;
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}
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const PublicSettingsContext = createContext<PublicSettingsContextValue>({
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projectName: getDefaultProjectName(),
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projectTagline: getDefaultProjectTagline(),
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isLoading: true,
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refreshPublicSettings: async () => undefined
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});
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export function PublicSettingsProvider({
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children,
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initialSettings
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}: {
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children: React.ReactNode;
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initialSettings: Record<string, string>;
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}) {
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const [settings, setSettings] = useState<Record<string, string>>(() =>
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mergePublicSettings(readCachedPublicSettings(), initialSettings)
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);
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const [isLoading, setIsLoading] = useState(true);
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const refreshPublicSettings = useCallback(async () => {
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try {
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const next = await fetchPublicSettingsClient();
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setSettings((current) => mergePublicSettings(current, next));
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writeCachedPublicSettings(next);
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} catch {
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// Оставляем последние известные значения (кэш или SSR).
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} finally {
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setIsLoading(false);
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}
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}, []);
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useEffect(() => {
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const cached = readCachedPublicSettings();
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if (Object.keys(cached).length > 0) {
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setSettings((current) => mergePublicSettings(cached, initialSettings, current));
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}
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}, [initialSettings]);
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useEffect(() => {
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void refreshPublicSettings();
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const onFocus = () => void refreshPublicSettings();
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window.addEventListener('focus', onFocus);
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return () => window.removeEventListener('focus', onFocus);
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}, [refreshPublicSettings]);
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useEffect(() => {
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if (settings.PROJECT_NAME) {
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document.title = `Документация — ${settings.PROJECT_NAME}`;
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}
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}, [settings.PROJECT_NAME]);
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const value = useMemo(
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() => ({
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projectName: settings.PROJECT_NAME || getDefaultProjectName(),
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projectTagline: settings.PROJECT_TAGLINE || getDefaultProjectTagline(),
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isLoading,
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refreshPublicSettings
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}),
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[isLoading, refreshPublicSettings, settings.PROJECT_NAME, settings.PROJECT_TAGLINE]
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);
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return <PublicSettingsContext.Provider value={value}>{children}</PublicSettingsContext.Provider>;
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}
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export function usePublicSettings() {
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return useContext(PublicSettingsContext);
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}
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