Files
medreport_mrb2b/lib/root-theme.ts
2025-06-08 16:18:30 +03:00

50 lines
1.2 KiB
TypeScript

import { cookies } from 'next/headers';
import { z } from 'zod';
/**
* @name Theme
* @description The theme mode enum.
*/
const Theme = z.enum(['light', 'dark', 'system'], {
description: 'The theme mode',
});
/**
* @name appDefaultThemeMode
* @description The default theme mode set by the application.
*/
const appDefaultThemeMode = Theme.safeParse(
process.env.NEXT_PUBLIC_DEFAULT_THEME_MODE,
);
/**
* @name fallbackThemeMode
* @description The fallback theme mode if none of the other options are available.
*/
const fallbackThemeMode = `light`;
/**
* @name getRootTheme
* @description Get the root theme from the cookies or default theme.
* @returns The root theme.
*/
export async function getRootTheme() {
const cookiesStore = await cookies();
const themeCookieValue = cookiesStore.get('theme')?.value;
const theme = Theme.safeParse(themeCookieValue);
// pass the theme from the cookie if it exists
if (theme.success) {
return theme.data;
}
// pass the default theme from the environment variable if it exists
if (appDefaultThemeMode.success) {
return appDefaultThemeMode.data;
}
// in all other cases, fallback to the default theme
return fallbackThemeMode;
}