From ae5cc671273a47fc825064b7390cdd14355a4694 Mon Sep 17 00:00:00 2001
From: chenshenhai <cshenhai@gmail.com>
Date: Thu, 24 Jun 2021 19:49:51 +0800
Subject: [PATCH] feat: @idraw/core addElement return uuid

---
 docs/todo/core.md          | 1 +
 packages/core/src/index.ts | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/docs/todo/core.md b/docs/todo/core.md
index 4e14f4d..e733c85 100644
--- a/docs/todo/core.md
+++ b/docs/todo/core.md
@@ -1,6 +1,7 @@
 # @idraw/core
 
 * [] Area select
+* [] Hover element style
 * [] Keep all num two decimals
 * [x] Cursor style
 * [x] Can't controll element at scroll-area
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index 0c4b551..ae4f216 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -203,13 +203,14 @@ class Core {
     this.draw();
   }
 
-  addElement(elem: TypeElement<keyof TypeElemDesc>) {
-    if (this[_onlyRender] === true) return;
+  addElement(elem: TypeElement<keyof TypeElemDesc>): string | null {
+    if (this[_onlyRender] === true) return null;
     const _elem = deepClone(elem);
     _elem.uuid = createUUID();
     this[_data].elements.unshift(_elem);
     this[_emitChangeData]();
     this.draw();
+    return _elem.uuid;
   }
 
   deleteElement(uuid: string) {