From d56aa0d1474d3a2053f5cf0ce54467bf0174bba5 Mon Sep 17 00:00:00 2001
From: Stian Aune <post@stian-aune.com>
Date: Wed, 20 Nov 2019 19:44:36 +0100
Subject: [PATCH] Fix differ.

---
 my-bois/src/helpers/diff.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/my-bois/src/helpers/diff.js b/my-bois/src/helpers/diff.js
index 3575312..3a1470d 100644
--- a/my-bois/src/helpers/diff.js
+++ b/my-bois/src/helpers/diff.js
@@ -3,6 +3,10 @@ export function diffString(diff) {
 }
 
 export default function calculateDiff({program, cooldownMin = null, minutes, seconds, calories}) {
+  if (cooldownMin < 0) {
+    cooldownMin = null
+  }
+
   const {warmupMin, warmupCpm, cpm, cooldownCpm} = program;
   const actualWarmup = cooldownMin !== null && cooldownMin > 0
     ? Math.min(warmupMin, cooldownMin)