From e2514185e8fca3045114d3369185d47860285a14 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matt=C3=A9o=20Delabre?= <spam@delab.re>
Date: Fri, 27 Nov 2020 22:24:40 +0100
Subject: [PATCH] Fix for videos with double quotes in the title

---
 explore/graph.mjs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/explore/graph.mjs b/explore/graph.mjs
index a85a441..ed1622a 100644
--- a/explore/graph.mjs
+++ b/explore/graph.mjs
@@ -6,6 +6,11 @@ const GRAPH_NODE = '    "%s" [label="%s"]';
 const GRAPH_NODE_URL = '    "%s" [label="%s", URL="%s", fontcolor=blue]';
 const GRAPH_LINK = '    "%s" -> "%s"';
 
+/**
+ * Escape double quotes in a string.
+ */
+const escapeQuotes = str => str.replace(/"/g, '\\"');
+
 /**
  * Convert a graph to the DOT format.
  *
@@ -27,11 +32,11 @@ export const graphToDOT = (graph, title = id => id, url = () => '') =>
 
         if (url === '')
         {
-            return util.format(GRAPH_NODE, id, nodeTitle);
+            return util.format(GRAPH_NODE, id, escapeQuotes(nodeTitle));
         }
         else
         {
-            return util.format(GRAPH_NODE_URL, id, nodeTitle, nodeUrl);
+            return util.format(GRAPH_NODE_URL, id, escapeQuotes(nodeTitle), nodeUrl);
         }
     }
     ).join('\n');