ThemeProvider.tsx•1.98 kB
import { createContext, useContext, useEffect } from "react";
import usePluginSettings from "./settings";
type Theme = "dark" | "light" | "system";
interface ThemeProviderProps {
children: React.ReactNode;
}
interface ThemeProviderState {
theme: Theme;
setTheme: (theme: Theme) => void;
}
const initialState: ThemeProviderState = {
theme: "system",
setTheme: () => null,
};
const ThemeProviderContext = createContext<ThemeProviderState>(initialState);
export function ThemeProvider({ children, ...props }: ThemeProviderProps) {
const { settings, setSettings } = usePluginSettings();
const theme = settings.theme;
useEffect(() => {
const root = window.document.documentElement;
const updateIcon = (useDarkModeIcons: boolean) => {
const iconSuffix = useDarkModeIcons ? "-darkmode.png" : ".png";
const iconPaths = {
"16": `logo-16${iconSuffix}`,
"48": `logo-48${iconSuffix}`,
"128": `logo-128${iconSuffix}`,
};
chrome.action.setIcon({ path: iconPaths });
};
const applyThemeAndIcon = () => {
root.classList.remove("light", "dark");
let currentTheme: "light" | "dark";
if (theme === "system") {
currentTheme = window.matchMedia("(prefers-color-scheme: dark)").matches
? "dark"
: "light";
} else {
currentTheme = theme;
}
root.classList.add(currentTheme);
updateIcon(currentTheme === "dark");
};
applyThemeAndIcon();
}, [theme]);
const value = {
theme,
setTheme: (newTheme: Theme) => {
setSettings((s) => ({ ...s, theme: newTheme }));
},
};
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;
};