first commit

common/resources/client/utils/dom/get-bounding-client-rect.ts

@@ -0,0 +1,20 @@
+export interface PlainRect {
+  top: number;
+  right: number;
+  bottom: number;
+  left: number;
+  width: number;
+  height: number;
+}
+
+export function getBoundingClientRect(el: HTMLElement | Range) {
+  const rect = el.getBoundingClientRect();
+  return {
+    top: rect.top,
+    right: rect.right,
+    bottom: rect.bottom,
+    left: rect.left,
+    width: rect.width,
+    height: rect.height,
+  };
+}