theme-provider.tsx•3.3 kB
import { createContext, useContext, useEffect, useState } from 'react';
import * as RippleHook from 'use-ripple-hook';
import { flagsHooks } from '@/hooks/flags-hooks';
import { colorsUtils } from '@/lib/color-util';
type Theme = 'dark' | 'light' | 'system';
type ThemeProviderProps = {
children: React.ReactNode;
defaultTheme?: Theme;
storageKey?: string;
};
type ThemeProviderState = {
theme: Theme;
setTheme: (theme: Theme) => void;
};
const initialState: ThemeProviderState = {
theme: 'system',
setTheme: () => null,
};
const ThemeProviderContext = createContext<ThemeProviderState>(initialState);
const setFavicon = (url: string) => {
let link: HTMLLinkElement | null =
document.querySelector("link[rel*='icon']");
if (!link) {
link = document.createElement('link');
link.rel = 'shortcut icon';
document.head.appendChild(link);
}
link.href = url;
};
export function ThemeProvider({
children,
defaultTheme = 'system',
storageKey = 'ap-ui-theme',
...props
}: ThemeProviderProps) {
const [theme, setTheme] = useState<Theme>(
() => (localStorage.getItem(storageKey) as Theme) || defaultTheme,
);
const branding = flagsHooks.useWebsiteBranding();
useEffect(() => {
if (!branding) {
console.warn('Website brand is not defined');
return;
}
const root = window.document.documentElement;
const resolvedTheme = theme === 'system' ? 'light' : theme;
root.classList.remove('light', 'dark');
document.title = branding.websiteName;
document.documentElement.style.setProperty(
'--primary',
colorsUtils.hexToHslString(branding.colors.primary.default),
);
setFavicon(branding.logos.favIconUrl);
switch (resolvedTheme) {
case 'light': {
document.documentElement.style.setProperty(
'--primary-100',
colorsUtils.hexToHslString(branding.colors.primary.light),
);
document.documentElement.style.setProperty(
'--primary-300',
colorsUtils.hexToHslString(branding.colors.primary.dark),
);
break;
}
case 'dark': {
document.documentElement.style.setProperty(
'--primary-100',
colorsUtils.hexToHslString(branding.colors.primary.dark),
);
document.documentElement.style.setProperty(
'--primary-300',
colorsUtils.hexToHslString(branding.colors.primary.light),
);
break;
}
default:
break;
}
root.classList.add(resolvedTheme);
}, [theme, branding]);
const value = {
theme,
setTheme: (theme: Theme) => {
localStorage.setItem(storageKey, theme);
setTheme(theme);
},
};
return (
<ThemeProviderContext.Provider {...props} value={value}>
{children}
</ThemeProviderContext.Provider>
);
}
export const useTheme = () => {
const context = useContext(ThemeProviderContext);
if (context === undefined)
throw new Error('useTheme must be used within a ThemeProvider');
return context;
};
export const useApRipple = () => {
const { theme } = useTheme();
return RippleHook.default({
color:
theme === 'dark'
? 'rgba(233, 233, 233, 0.2)'
: 'rgba(155, 155, 155, 0.2)',
cancelAutomatically: true,
});
};