From 9e64478854c0e21d1d7f20cc9c6e1327c0bd0f83 Mon Sep 17 00:00:00 2001
From: Henri Bergius <henri.bergius@iki.fi>
Date: Wed, 7 Mar 2018 16:09:51 +0100
Subject: [PATCH] Make linter happy

---
 elements/linechart.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/elements/linechart.js b/elements/linechart.js
index b8e011b..c91f210 100644
--- a/elements/linechart.js
+++ b/elements/linechart.js
@@ -107,7 +107,7 @@ class LineChart extends Component {
       return res;
     });
 
-    const shapes = references.split(' ').filter(spec => !isNaN(parseFloat(spec))).map((spec, idx) => {
+    const shapes = references.split(' ').filter(spec => !Number.isNaN(parseFloat(spec))).map((spec, idx) => {
       let colorIdx = data.length + idx;
       if (colorIdx > colors.length) {
         // Start cycle again