Fix empty string compilation

handlebars-lang · Nov 5, 2013 · eea708a · eea708a
1 parent 508bb2d
commit eea708a
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diff --git a/spec/regressions.js b/spec/regressions.js
@@ -115,5 +115,9 @@ describe('Regressions', function() {
     it("can pass through an already-compiled AST via compile/precompile", function() {
       equal(Handlebars.compile(new Handlebars.AST.ProgramNode([ new Handlebars.AST.ContentNode("Hello")]))(), 'Hello');
     });
+
+    it("can pass through an empty string", function() {
+      equal(Handlebars.compile('')(), '');
+    });
   }
 });
diff --git a/src/handlebars.yy b/src/handlebars.yy
@@ -17,6 +17,7 @@ function stripFlags(open, close) {
 
 root
   : statements EOF { return new yy.ProgramNode($1); }
+  | EOF { return new yy.ProgramNode([]); }
   ;
 
 program
-Original file line number
+Diff line change
@@ Expand Up / @@ -17,6 +17,7 @@ function stripFlags(open, close) { @@
     root
       : statements EOF { return new yy.ProgramNode($1); }
+      | EOF { return new yy.ProgramNode([]); }
       ;
     program
@@ Expand Down @@