Initial commit

src/components/button/ButtonDirectionalHover/useDirectionalHover.ts

@@ -0,0 +1,48 @@
+import { useEffect, useCallback, RefObject } from "react";
+
+export const useDirectionalHover = (
+  buttonRef: RefObject<HTMLButtonElement | null>,
+  circleSelector: string = ".directional-button-circle"
+) => {
+  const handleHover = useCallback(
+    (event: MouseEvent) => {
+      const button = buttonRef.current;
+      if (!button) return;
+
+      const buttonRect = button.getBoundingClientRect();
+      const buttonWidth = buttonRect.width;
+      const buttonHeight = buttonRect.height;
+      const buttonCenterX = buttonRect.left + buttonWidth / 2;
+
+      const mouseX = event.clientX;
+      const mouseY = event.clientY;
+
+      const offsetXFromLeft = ((mouseX - buttonRect.left) / buttonWidth) * 100;
+      const offsetYFromTop = ((mouseY - buttonRect.top) / buttonHeight) * 100;
+
+      let offsetXFromCenter = ((mouseX - buttonCenterX) / (buttonWidth / 2)) * 50;
+      offsetXFromCenter = Math.abs(offsetXFromCenter);
+
+      const circle = button.querySelector(circleSelector) as HTMLElement;
+      if (circle) {
+        circle.style.left = `${offsetXFromLeft.toFixed(1)}%`;
+        circle.style.top = `${offsetYFromTop.toFixed(1)}%`;
+        circle.style.width = `${115 + offsetXFromCenter * 2}%`;
+      }
+    },
+    [buttonRef, circleSelector]
+  );
+
+  useEffect(() => {
+    const button = buttonRef.current;
+    if (!button) return;
+
+    button.addEventListener("mouseenter", handleHover);
+    button.addEventListener("mouseleave", handleHover);
+
+    return () => {
+      button.removeEventListener("mouseenter", handleHover);
+      button.removeEventListener("mouseleave", handleHover);
+    };
+  }, [buttonRef, handleHover]);
+};