From 7ce7615257b421294660943f2f0d6a8ee41f4d19 Mon Sep 17 00:00:00 2001
From: alper-batioglu <alper.batioglu@gmail.com>
Date: Tue, 29 Sep 2020 18:04:55 +0300
Subject: [PATCH] isShorthandProperty lookup perf. improvement

Isn't key lookup faster than extracting all keys and checking them one by one, at least for a pure json object ?
---
 src/isShorthandProperty.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/isShorthandProperty.js b/src/isShorthandProperty.js
index 4389f3d..3321cc0 100644
--- a/src/isShorthandProperty.js
+++ b/src/isShorthandProperty.js
@@ -6,5 +6,5 @@ const shortHandProperties = require('./formatted-data/shorthand-properties.json'
  * @returns {boolean} - true if property is a shorthand, false otherwise
  */
 module.exports = function isShorthandProperty(property) {
-  return Object.keys(shortHandProperties).includes(property);
+  return shortHandProperties[property] != undefined;
 };