improve: src/useKeyboardShortcuts.ts (#11)

Author: tapiwamakandigona

src/useKeyboardShortcuts.ts

@@ -0,0 +1,39 @@
+import { useEffect } from "react";
+
+interface Shortcuts {
+  onNew?: () => void;
+  onSearch?: () => void;
+  onClearDone?: () => void;
+}
+
+/**
+ * Global keyboard shortcuts:
+ * - Ctrl+N / Cmd+N: New task
+ * - Ctrl+K / Cmd+K: Focus search
+ * - Ctrl+Shift+D: Clear done
+ */
+export function useKeyboardShortcuts({ onNew, onSearch, onClearDone }: Shortcuts) {
+  useEffect(() => {
+    function handler(e: KeyboardEvent) {
+      const mod = e.metaKey || e.ctrlKey;
+      
+      if (mod && e.key === "n") {
+        e.preventDefault();
+        onNew?.();
+      }
+      
+      if (mod && e.key === "k") {
+        e.preventDefault();
+        onSearch?.();
+      }
+      
+      if (mod && e.shiftKey && e.key === "D") {
+        e.preventDefault();
+        onClearDone?.();
+      }
+    }
+    
+    document.addEventListener("keydown", handler);
+    return () => document.removeEventListener("keydown", handler);
+  }, [onNew, onSearch, onClearDone]);
+}