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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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | 1x 1x 1x 1x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x | import { type PaletteMode } from '@mui/material'; import { parseCookies } from 'nookies'; import { useEffect } from 'react'; import { useThemeStore } from '../stores/changeModeStore'; /** * Custom hook for synchronizing theme preferences between cookies and application state * * @description * Manages theme synchronization by: * - Reading theme preferences from cookies on initial load * - Applying theme settings to both state manager and DOM * - Supporting both color mode (light/dark) and high contrast mode * * @example * // Basic usage in component * useThemeFromCookies(); * * @example * // With theme store access * const { mode } = useThemeStore(); * useThemeFromCookies(); * * @see useThemeStore For the underlying theme state management * @see PaletteMode For available theme modes * @see parseCookies For cookie parsing utility */ export const useThemeFromCookies = () => { const { setMode, setHighContrast } = useThemeStore(); /** * Effect for initial theme synchronization * - Runs once on component mount * - Reads theme preferences from cookies * - Updates theme store with saved preferences * - Falls back to 'dark' mode if no preference exists */ useEffect(() => { const cookies = parseCookies(); const initialMode = (cookies?.["createTheme"] as PaletteMode) ?? 'dark'; const initialHighContrast = cookies?.["highContrast"] === 'true'; setMode(initialMode); setHighContrast(initialHighContrast); }, [setMode, setHighContrast]); /** * Effect for DOM theme synchronization * - Runs once on component mount * - Applies theme to document root for CSS variable usage * - Ensures server-side and client-side rendering match */ useEffect(() => { const cookies = parseCookies(); document.documentElement.setAttribute( 'createTheme', cookies?.["createTheme"] || 'dark', ); }, []); }; |