@noeg/usetheme/dist/index.mjs

React hook and provider for application theming

// src/hook.ts
import { useContext } from "react";

// src/provider.tsx
import { useLocalStorage } from "@noeg/uselocalstorage";
import { createContext, useEffect, useState } from "react";
import { jsx } from "react/jsx-runtime";
var ThemeProviderContext = createContext(null);
function ThemeProvider({
  children,
  defaultTheme = "system",
  storageKey = "vite-ui-theme",
  ...props
}) {
  const [theme, setTheme] = useLocalStorage(storageKey, defaultTheme);
  const [systemTheme, setSystemTheme] = useState(
    () => theme === "system" ? window.matchMedia("(prefers-color-scheme: dark)").matches ? "dark" : "light" : theme
  );
  useEffect(() => {
    const root = window.document.documentElement;
    root.classList.remove("light", "dark");
    if (theme === "system") {
      const systemTheme2 = window.matchMedia("(prefers-color-scheme: dark)").matches ? "dark" : "light";
      root.classList.add(systemTheme2);
      setSystemTheme(systemTheme2);
      return;
    }
    root.classList.add(theme);
    setSystemTheme(theme);
  }, [theme]);
  const value = {
    theme,
    systemTheme,
    setTheme
  };
  return /* @__PURE__ */ jsx(ThemeProviderContext.Provider, { ...props, value, children });
}

// src/hook.ts
var useTheme = () => {
  const context = useContext(ThemeProviderContext);
  if (!context)
    throw new Error("useTheme must be used within a ThemeProvider");
  return context;
};
export {
  ThemeProvider,
  useTheme
};
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