From be5629265095615511f5b53a2a5c43a16343c775 Mon Sep 17 00:00:00 2001
From: Pat Herlihy <pat841@bu.edu>
Date: Tue, 26 Nov 2019 08:31:44 -0500
Subject: [PATCH] Fix the `custom-error-definition` rule to support
 constructors without a body.

---
 rules/custom-error-definition.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rules/custom-error-definition.js b/rules/custom-error-definition.js
index e2b4ce56cf..f710fa8091 100644
--- a/rules/custom-error-definition.js
+++ b/rules/custom-error-definition.js
@@ -80,6 +80,12 @@ const customErrorDefinition = (context, node) => {
 	}
 
 	const constructorBodyNode = constructor.value.body;
+
+	// Verify the constructor has a body
+	if (!constructorBodyNode) {
+		return;
+	}
+
 	const constructorBody = constructorBodyNode.body;
 
 	const superExpression = constructorBody.find(isSuperExpression);