From 782e18d09ad2ada6e9cef6db694c81b068a13481 Mon Sep 17 00:00:00 2001
From: Arthur Attwell <arthur@arthurattwell.com>
Date: Mon, 24 Jan 2022 18:20:10 +0200
Subject: [PATCH] Make check for image script more robust

---
 gulpfile.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gulpfile.js b/gulpfile.js
index 983a33e6..e77a58aa 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -623,6 +623,7 @@ gulp.task('images:svg', function (done) {
 
             // If there is a [book]AllSvg.js function, run it
             if(imageFunctions.functions
+                    && imageFunctions.functions[book]['all_svg']
                     && imageFunctions.functions[book]['all_svg']['all_svg']) {
                 console.log('Running the ' + 'all_svg function on ' + filename);
                 imageFunctions.functions[book]['all_svg']['all_svg'](xml)
@@ -630,7 +631,8 @@ gulp.task('images:svg', function (done) {
 
             // If there is an image-specific function, run it
             if(imageFunctions.functions
-                    && imageFunctions.functions[book][imageFunctionName]) {
+                    && imageFunctions.functions[book][imageFunctionName]
+                    && imageFunctions.functions[book][imageFunctionName][imageFunctionName]) {
                 console.log('Running the ' + [imageFunctionName] + ' function on ' + filename);
                 imageFunctions.functions[book][imageFunctionName][imageFunctionName](xml)
             }