From 84198be0d6ea2fb6f405311f154a51ea55bc579d Mon Sep 17 00:00:00 2001
From: Lachlan Kermode <lachiekermode@gmail.com>
Date: Tue, 21 Jul 2020 09:49:03 +0200
Subject: [PATCH] fix corner case when bad data

---
 src/components/Timeline.jsx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/components/Timeline.jsx b/src/components/Timeline.jsx
index 1d1198f..bd34538 100644
--- a/src/components/Timeline.jsx
+++ b/src/components/Timeline.jsx
@@ -282,6 +282,8 @@ class Timeline extends React.Component {
     if (GRAPH_NONLOCATED && GRAPH_NONLOCATED.categories.includes(category)) {
       return this.state.dims.marginTop + domain.projects[project].offset + this.props.ui.eventRadius
     }
+    if (!this.state.scaleY) return 0
+
     return this.state.scaleY(category)
   }