update(script-setup): Refactor remaining files to script setup style

src/components/UserSelection/utils.ts

@@ -0,0 +1,15 @@
+import { XYPosition } from '~/types'
+
+export function getMousePosition(event: MouseEvent): XYPosition | void {
+  const revueFlowNode = (event.target as Element).closest('.revue-flow')
+  if (!revueFlowNode) {
+    return
+  }
+
+  const containerBounds = revueFlowNode.getBoundingClientRect()
+
+  return {
+    x: event.clientX - containerBounds.left,
+    y: event.clientY - containerBounds.top,
+  }
+}