From c8cb03f1c37829da0f9a31552e760fc6d5e4b4bf Mon Sep 17 00:00:00 2001
From: Antonin Stefanutti <antonin@stefanutti.fr>
Date: Tue, 21 Nov 2017 10:23:30 +0100
Subject: [PATCH] Glyph contours can be null while consolidating fonts

---
 decktape.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/decktape.js b/decktape.js
index e2a962d..8a319e8 100755
--- a/decktape.js
+++ b/decktape.js
@@ -405,7 +405,7 @@ function printSlide(printer, buffer, context) {
           const f = context.pdfFonts[name].font;
           font.data.glyf.forEach((g, i) => {
             if (g.contours && g.contours.length > 0) {
-              if (f.data.glyf[i].contours.length === 0) {
+              if (!f.data.glyf[i].contours || f.data.glyf[i].contours.length === 0) {
                 f.data.glyf[i] = g;
               }
             } else if (g.compound) {