From 61adc97637d027fb14687c57d8b5fa59280b68e4 Mon Sep 17 00:00:00 2001
From: QuadFlask <pop9310@gmail.com>
Date: Sat, 6 Mar 2021 22:25:13 +0900
Subject: [PATCH] feat: make `undo`, `clear` return paths (#351)

---
 packages/core/src/drawing.ts | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/packages/core/src/drawing.ts b/packages/core/src/drawing.ts
index 3f7eb4017..82ec5b118 100644
--- a/packages/core/src/drawing.ts
+++ b/packages/core/src/drawing.ts
@@ -67,14 +67,17 @@ export class SvgDrawing extends Renderer {
     this.on()
   }
 
-  public clear(): void {
+  public clear(): Path[] {
+    const paths = this.paths
     this.paths = []
     this.update()
+    return paths
   }
 
-  public undo(): void {
-    this.paths.pop()
+  public undo(): Path | undefined {
+    const path = this.paths.pop()
     this.update()
+    return path
   }
 
   public changeDelay(delay: number): void {