From 9ecce8d90ff35d374939498b6d81c0703325158f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kiho=20=C2=B7=20Cham?= <monkindey@163.com>
Date: Wed, 25 Oct 2017 00:58:10 -0500
Subject: [PATCH] missing the array first element xs (#8010)

---
 scripts/sort-api-table.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/sort-api-table.js b/scripts/sort-api-table.js
index 20f0590053..de4615a728 100644
--- a/scripts/sort-api-table.js
+++ b/scripts/sort-api-table.js
@@ -29,7 +29,7 @@ const sizeBreakPoints = ['xs', 'sm', 'md', 'lg', 'xl'];
 
 const groups = {
   isDynamic: val => /^on[A-Z]/.test(val),
-  isSize: val => sizeBreakPoints.indexOf(val) > 0,
+  isSize: val => sizeBreakPoints.indexOf(val) > -1,
 };
 
 function asciiSort(prev, next) {