From 14108c0164562d99398b15c8b8b50e9314c8fdcb Mon Sep 17 00:00:00 2001
From: Ian Gulliver <ian@flamingcow.tv>
Date: Wed, 10 Jul 2019 22:31:51 +0000
Subject: [PATCH] Handle an empty graph

---
 Layout.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Layout.js b/Layout.js
index d7a077d..a1d8e56 100644
--- a/Layout.js
+++ b/Layout.js
@@ -164,6 +164,11 @@ class Layout {
       }
     }
 
+    // handle empty graph
+    if (min[0] == Number.POSITIVE_INFINITY) {
+      min[0] = min[1] = max[0] = max[1] = 0;
+    }
+
     if (this.graph_.label) {
       min[1] -= 1;
     }