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perf(renderer): narrow theme store subscription

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This commit is contained in:
777genius 2026-05-31 08:12:15 +03:00
parent d10eeea269
commit c90d8b9577
1 changed files with 7 additions and 4 deletions
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11
src/renderer/hooks/useTheme.ts
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@ -44,6 +44,12 @@ let systemThemeSnapshot: ResolvedTheme | null = null;
let systemThemeQuery: MediaQueryList | null = null; let systemThemeQuery: MediaQueryList | null = null;
const systemThemeListeners = new Set<() => void>(); const systemThemeListeners = new Set<() => void>();
function selectConfiguredTheme(state: {
appConfig: { general?: { theme?: Theme } } | null;
}): Theme {
return state.appConfig?.general?.theme ?? 'system';
}
function getSystemThemeSnapshot(): ResolvedTheme { function getSystemThemeSnapshot(): ResolvedTheme {
systemThemeSnapshot ??= readCachedResolvedTheme() ?? readSystemResolvedTheme(); systemThemeSnapshot ??= readCachedResolvedTheme() ?? readSystemResolvedTheme();
return systemThemeSnapshot; return systemThemeSnapshot;
@ -89,10 +95,7 @@ export function useTheme(): {
isDark: boolean; isDark: boolean;
isLight: boolean; isLight: boolean;
} { } {
const appConfig = useStore((s) => s.appConfig); const configuredTheme = useStore(selectConfiguredTheme);
// Get configured theme
const configuredTheme: Theme = appConfig?.general?.theme ?? 'system';
const systemTheme = useSystemTheme(); const systemTheme = useSystemTheme();
const resolvedTheme = configuredTheme === 'system' ? systemTheme : configuredTheme; const resolvedTheme = configuredTheme === 'system' ? systemTheme : configuredTheme;