From 1b6b3b4d40e85c2bdbc6a76107fbfa888e600144 Mon Sep 17 00:00:00 2001
From: hufeng <hufeng20@huawei.com>
Date: Thu, 28 Jul 2022 21:24:14 +0800
Subject: [PATCH] Close Iteratr when array bindingpattern is empty

Signed-off-by: hufeng <hufeng20@huawei.com>
Change-Id: I6bc6412801f2b07d6be5fd3cdf14413d67249e9c
---
 ts2panda/src/compilerUtils.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/ts2panda/src/compilerUtils.ts b/ts2panda/src/compilerUtils.ts
index 42082fb7c2..01734351a4 100644
--- a/ts2panda/src/compilerUtils.ts
+++ b/ts2panda/src/compilerUtils.ts
@@ -66,6 +66,12 @@ function compileArrayDestructuring(arr: ts.ArrayBindingOrAssignmentPattern, pand
     let iterator = new Iterator({iterator: iter, nextMethod: nextMethod}, iterDone, iterValue, pandaGen, arr);
     iterator.getIterator();
 
+    if (arr.elements.length === 0) {
+        iterator.close();
+        pandaGen.freeTemps(iter, nextMethod, iterDone, iterValue, nextResult, exception);
+        return;
+    }
+
     // prepare try-catch for iterate over all the elements
     let tryBeginLabel = new Label();
     let tryEndLabel = new Label();
-- 
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