feat: impl dark mode for extension

frontend/extension/src/hooks/useColorTheme.ts

@@ -0,0 +1,43 @@
+import { useColorScheme } from "@mui/joy";
+import { useEffect } from "react";
+
+const useColorTheme = () => {
+  const { mode: colorTheme, setMode: setColorTheme } = useColorScheme();
+
+  useEffect(() => {
+    const root = document.documentElement;
+    if (colorTheme === "light") {
+      root.classList.remove("dark");
+    } else if (colorTheme === "dark") {
+      root.classList.add("dark");
+    } else {
+      const darkMediaQuery = window.matchMedia("(prefers-color-scheme: dark)");
+      if (darkMediaQuery.matches) {
+        root.classList.add("dark");
+      } else {
+        root.classList.remove("dark");
+      }
+
+      const handleColorSchemeChange = (e: MediaQueryListEvent) => {
+        if (e.matches) {
+          root.classList.add("dark");
+        } else {
+          root.classList.remove("dark");
+        }
+      };
+      try {
+        darkMediaQuery.addEventListener("change", handleColorSchemeChange);
+      } catch (error) {
+        console.error("failed to initial color scheme listener", error);
+      }
+
+      return () => {
+        darkMediaQuery.removeEventListener("change", handleColorSchemeChange);
+      };
+    }
+  }, [colorTheme]);
+
+  return { colorTheme, setColorTheme };
+};
+
+export default useColorTheme;