1 files changed, 38 insertions, 0 deletions
diff --git a/packages/excalidraw/components/dropdownMenu/common.ts b/packages/excalidraw/components/dropdownMenu/common.ts
new file mode 100644
index 0000000..a2a46fc
--- /dev/null
+++ b/packages/excalidraw/components/dropdownMenu/common.ts
@@ -0,0 +1,38 @@
+import React, { useContext } from "react";
+import { EVENT } from "../../constants";
+import { composeEventHandlers } from "../../utils";
+
+export const DropdownMenuContentPropsContext = React.createContext<{
+  onSelect?: (event: Event) => void;
+}>({});
+
+export const getDropdownMenuItemClassName = (
+  className = "",
+  selected = false,
+  hovered = false,
+) => {
+  return `dropdown-menu-item dropdown-menu-item-base ${className}
+  ${selected ? "dropdown-menu-item--selected" : ""} ${
+    hovered ? "dropdown-menu-item--hovered" : ""
+  }`.trim();
+};
+
+export const useHandleDropdownMenuItemClick = (
+  origOnClick:
+    | React.MouseEventHandler<HTMLAnchorElement | HTMLButtonElement>
+    | undefined,
+  onSelect: ((event: Event) => void) | undefined,
+) => {
+  const DropdownMenuContentProps = useContext(DropdownMenuContentPropsContext);
+
+  return composeEventHandlers(origOnClick, (event) => {
+    const itemSelectEvent = new CustomEvent(EVENT.MENU_ITEM_SELECT, {
+      bubbles: true,
+      cancelable: true,
+    });
+    onSelect?.(itemSelectEvent);
+    if (!itemSelectEvent.defaultPrevented) {
+      DropdownMenuContentProps.onSelect?.(itemSelectEvent);
+    }
+  });
+};