From 249046614c604df488e547369c096f9689e9287a Mon Sep 17 00:00:00 2001
From: J Guthrie <jamie.guthrie@gmail.com>
Date: Sun, 24 Feb 2019 13:58:16 +0000
Subject: [PATCH] Add exception to isInvalidGeometry algorithm  - An area with
 just 1 placed node (2 nodes including active, to-be-placed node,     returns
 as valid and is picked up by later way.isDegenerate() check

---
 modules/behavior/draw_way.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/behavior/draw_way.js b/modules/behavior/draw_way.js
index aed7a8042..0f3d2435d 100644
--- a/modules/behavior/draw_way.js
+++ b/modules/behavior/draw_way.js
@@ -125,6 +125,8 @@ export function behaviorDrawWay(context, wayID, index, mode, startGraph, baselin
 
             if (origWay.isClosed()) { // Check if Area
                 if (finishDraw) {
+                    if (nodes.length < 3) return false;
+
                     nodes.splice(-2, 1);
                     entity = nodes[nodes.length-2];
                 } else {