;s;

lib/theme.ts

@@ -0,0 +1,29 @@
+export type Theme = "light" | "dark";
+
+export const THEME_STORAGE_KEY = "theme";
+
+declare global {
+  interface Window {
+    NomadRoamTheme?: {
+      apply: (theme: Theme) => void;
+      toggle: () => void;
+      read: () => Theme;
+    };
+  }
+}
+
+export function applyTheme(theme: Theme) {
+  if (typeof window !== "undefined" && window.NomadRoamTheme) {
+    window.NomadRoamTheme.apply(theme);
+  }
+}
+
+export function readThemeFromDom(): Theme {
+  if (typeof window !== "undefined" && window.NomadRoamTheme) {
+    return window.NomadRoamTheme.read();
+  }
+  if (typeof document === "undefined") return "light";
+  return document.documentElement.getAttribute("data-theme") === "dark"
+    ? "dark"
+    : "light";
+}