simplified DocumentView a bit more. cleaned up other code.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/Utils.ts b/src/Utils.ts
index 1a00c0bfb..852a00406 100644
--- a/src/Utils.ts
+++ b/src/Utils.ts
@@ -592,6 +592,14 @@ export function lightOrDark(color: any) {
     }
 }
 
+export function isTarget(x: number, y: number, target: HTMLDivElement | null) {
+    let entered = false;
+    for (let child = document.elementFromPoint(x, y); !entered && child; child = child.parentElement) {
+        entered = entered || child === target;
+    }
+    return entered;
+}
+
 export function setupMoveUpEvents(
     target: object,
     e: React.PointerEvent,