Generators / HTML - safely return an empty string if no source is pro…

…vided
roperzh · Nov 30, 2015 · f29fbff · f29fbff
1 parent c8d2f0b
commit f29fbff
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Showing 2 changed files with 18 additions and 4 deletions.
diff --git a/dist/jroff.js b/dist/jroff.js
@@ -2254,8 +2254,15 @@
   var HTMLGenerator = function () {};
 
   HTMLGenerator.prototype.generate = function (source, macroLib) {
-    var parser = new Parser(source),
-      ast = parser.buildAST();
+    var parser,
+      ast;
+
+    if(!source) {
+      return '';
+    }
+
+    parser = new Parser(source);
+    ast = parser.buildAST();
 
     macroLib = macroLib || 'doc';
 

diff --git a/src/generators/html.js b/src/generators/html.js
@@ -1,8 +1,15 @@
 var HTMLGenerator = function () {};
 
 HTMLGenerator.prototype.generate = function (source, macroLib) {
-  var parser = new Parser(source),
-    ast = parser.buildAST();
+  var parser,
+    ast;
+
+  if(!source) {
+    return '';
+  }
+
+  parser = new Parser(source);
+  ast = parser.buildAST();
 
   macroLib = macroLib || 'doc';