Add undefined and null literal support

This adds the UndefinedLiteral and NullLiteral to AST.

Fixes #990

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/handlebars/compiler/compiler.js b/lib/handlebars/compiler/compiler.js
index e1b4dfb..a39082d 100644
--- a/lib/handlebars/compiler/compiler.js
+++ b/lib/handlebars/compiler/compiler.js
@@ -273,6 +273,14 @@ Compiler.prototype = {
     this.opcode('pushLiteral', bool.value);
   },
 
+  UndefinedLiteral: function() {
+    this.opcode('pushLiteral', 'undefined');
+  },
+
+  NullLiteral: function() {
+    this.opcode('pushLiteral', 'null');
+  },
+
   Hash: function(hash) {
     var pairs = hash.pairs, i, l;