From b1ba6627720e9a92026077eb86ca6c0fcc7535c7 Mon Sep 17 00:00:00 2001
From: Gareth Jones <jones258@gmail.com>
Date: Sat, 6 Jun 2020 21:38:29 +1200
Subject: [PATCH] Fix: ensure that node has `key` property

---
 lib/utils.js       | 4 ++++
 tests/lib/utils.js | 1 +
 2 files changed, 5 insertions(+)

diff --git a/lib/utils.js b/lib/utils.js
index 0fd86bd4..c3d96755 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -184,6 +184,10 @@ module.exports = {
   * @returns {string|null} The key name, or `null` if the name cannot be determined statically.
   */
   getKeyName (property) {
+    if(!property.key) {
+      return null;
+    }
+
     if (!property.computed && property.key.type === 'Identifier') {
       return property.key.name;
     }
diff --git a/tests/lib/utils.js b/tests/lib/utils.js
index fbe78bfc..13830d71 100644
--- a/tests/lib/utils.js
+++ b/tests/lib/utils.js
@@ -172,6 +172,7 @@ describe('utils', () => {
       '({ [`foo`]() {} })': 'foo',
       '({ 5: 1 })': '5',
       '({ 0x123: 1 })': '291',
+      '{{ ...{} })': null,
       '({ [foo]: 1 })': null,
       '({ [tag`foo`]: 1 })': null,
       '({ ["foo" + "bar"]: 1 })': null,