Fix groups

packages/element/src/elementLink.ts

@@ -2,15 +2,13 @@
  * Create and link between shapes.
  */
 
-import {
-  ELEMENT_LINK_KEY,
-  normalizeLink,
-  elementsAreInSameGroup,
-} from "@excalidraw/common";
+import { ELEMENT_LINK_KEY, normalizeLink } from "@excalidraw/common";
 
 import type { AppProps, AppState } from "@excalidraw/excalidraw/types";
 import type { ExcalidrawElement } from "@excalidraw/element/types";
 
+import { elementsAreInSameGroup } from "./groups";
+
 export const defaultGetElementLinkFromSelection: Exclude<
   AppProps["generateLinkForSelection"],
   undefined

packages/element/src/groups.ts

@@ -360,3 +360,42 @@ export const getNonDeletedGroupIds = (elements: ElementsMap) => {
 
   return nonDeletedGroupIds;
 };
+
+export const elementsAreInSameGroup = (
+  elements: readonly ExcalidrawElement[],
+) => {
+  const allGroups = elements.flatMap((element) => element.groupIds);
+  const groupCount = new Map<string, number>();
+  let maxGroup = 0;
+
+  for (const group of allGroups) {
+    groupCount.set(group, (groupCount.get(group) ?? 0) + 1);
+    if (groupCount.get(group)! > maxGroup) {
+      maxGroup = groupCount.get(group)!;
+    }
+  }
+
+  return maxGroup === elements.length;
+};
+
+export const isInGroup = (element: NonDeletedExcalidrawElement) => {
+  return element.groupIds.length > 0;
+};
+
+export const getNewGroupIdsForDuplication = (
+  groupIds: ExcalidrawElement["groupIds"],
+  editingGroupId: AppState["editingGroupId"],
+  mapper: (groupId: GroupId) => GroupId,
+) => {
+  const copy = [...groupIds];
+  const positionOfEditingGroupId = editingGroupId
+    ? groupIds.indexOf(editingGroupId)
+    : -1;
+  const endIndex =
+    positionOfEditingGroupId > -1 ? positionOfEditingGroupId : groupIds.length;
+  for (let index = 0; index < endIndex; index++) {
+    copy[index] = mapper(copy[index]);
+  }
+
+  return copy;
+};

packages/excalidraw/components/Stats/index.tsx

@@ -3,13 +3,15 @@ import clsx from "clsx";
 import throttle from "lodash.throttle";
 import { useEffect, useMemo, useState, memo } from "react";
 
-import { STATS_PANELS, elementsAreInSameGroup } from "@excalidraw/common";
+import { STATS_PANELS } from "@excalidraw/common";
 import { getCommonBounds } from "@excalidraw/element/bounds";
 import { getUncroppedWidthAndHeight } from "@excalidraw/element/cropElement";
 import { isElbowArrow, isImageElement } from "@excalidraw/element/typeChecks";
 
 import { frameAndChildrenSelectedTogether } from "@excalidraw/element/frame";
 
+import { elementsAreInSameGroup } from "@excalidraw/element/groups";
+
 import type { NonDeletedExcalidrawElement } from "@excalidraw/element/types";
 
 import { t } from "../../i18n";