From ab17a688cfb07f662780a5aafbbd95c87fbb5113 Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Sat, 25 Feb 2023 15:11:17 -0500
Subject: [PATCH] Fix TrendHistoryView trying to create shape layers with NaNs

---
 Tusker/Views/TrendHistoryView.swift | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Tusker/Views/TrendHistoryView.swift b/Tusker/Views/TrendHistoryView.swift
index 50027317..d18b7f68 100644
--- a/Tusker/Views/TrendHistoryView.swift
+++ b/Tusker/Views/TrendHistoryView.swift
@@ -48,6 +48,9 @@ class TrendHistoryView: UIView {
         }
         
         let maxUses = history.max(by: { $0.uses < $1.uses })!.uses
+        guard maxUses > 0 else {
+            return
+        }
         
         // remove old layers if this view is being re-used
         layer.sublayers?.forEach { $0.removeFromSuperlayer() }