From 7e4ab7173f530c1d32025fba87716cc612322755 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Polomat?= <monstrefou@gmail.com>
Date: Wed, 29 Apr 2020 08:02:07 -0400
Subject: [PATCH] fix: fixed use of undefined variable (#61)

---
 src/SceneItem.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/SceneItem.ts b/src/SceneItem.ts
index ccc05e3f..91bf4cf1 100644
--- a/src/SceneItem.ts
+++ b/src/SceneItem.ts
@@ -216,11 +216,12 @@ class SceneItem extends Animator<SceneItemOptions, SceneItemState> {
     }
     public setId(id?: number | string) {
         const state = this.state;
+        const elements = this.elements;
+        const length = elements.length;
 
         state.id = id || makeId(!!length);
-        const elements = this.elements;
 
-        if (elements.length && !state[SELECTOR]) {
+        if (length && !state[SELECTOR]) {
             const sceneId = toId(this.getId());
 
             state[SELECTOR] = `[${DATA_SCENE_ID}="${sceneId}"]`;