From 00a408dabf9f851e52079fc1c16dd3fc5d948c7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=ABl=20Galeran?= <joel.galeran@gmail.com>
Date: Thu, 23 Jun 2016 12:53:14 +0200
Subject: [PATCH] Throw error when a name table entry is not existing + Improve
 throw error message of Font.download()

---
 src/font.js        | 2 +-
 src/tables/name.js | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/font.js b/src/font.js
index 8eac4124..c5c8b4cb 100644
--- a/src/font.js
+++ b/src/font.js
@@ -320,7 +320,7 @@ Font.prototype.download = function() {
             });
         },
         function(err) {
-            throw err;
+            throw new Error(err.name + ': ' + err.message);
         });
     } else {
         var fs = require('fs');
diff --git a/src/tables/name.js b/src/tables/name.js
index 56ae73c2..76ae1770 100644
--- a/src/tables/name.js
+++ b/src/tables/name.js
@@ -744,6 +744,11 @@ function makeNameTable(names, ltag) {
         }
 
         nameID = parseInt(id);
+
+        if (isNaN(nameID)) {
+            throw new Error('Name table entry "' + key + '" does not exist, see nameTableNames for complete list.');
+        }
+
         namesWithNumericKeys[nameID] = names[key];
         nameIDs.push(nameID);
     }