data should be passed through to partials. closes #111.

lib/handlebars/compiler/compiler.js

@@ -638,7 +638,13 @@ Handlebars.JavaScriptCompiler = function() {};
     },
 
     invokePartial: function(context) {
-      this.pushStack("self.invokePartial(" + this.nameLookup('partials', context, 'partial') + ", '" + context + "', " + this.popStack() + ", helpers, partials);");
+      params = [this.nameLookup('partials', context, 'partial'), "'" + context + "'", this.popStack(), "helpers", "partials"];
+
+      if (this.options.data) {
+        params.push("data");
+      }
+
+      this.pushStack("self.invokePartial(" + params.join(", ") + ");");
     },
 
     assignToHash: function(key) {

lib/handlebars/vm.js

@@ -46,16 +46,18 @@ Handlebars.VM = {
     };
   },
   noop: function() { return ""; },
-  invokePartial: function(partial, name, context, helpers, partials) {
+  invokePartial: function(partial, name, context, helpers, partials, data) {
+    options = { helpers: helpers, partials: partials, data: data };
+
     if(partial === undefined) {
       throw new Handlebars.Exception("The partial " + name + " could not be found");
     } else if(partial instanceof Function) {
-      return partial(context, {helpers: helpers, partials: partials});
+      return partial(context, options);
     } else if (!Handlebars.compile) {
       throw new Handlebars.Exception("The partial " + name + " could not be compiled when running in vm mode");
     } else {
       partials[name] = Handlebars.compile(partial);
-      return partials[name](context, {helpers: helpers, partials: partials});
+      return partials[name](context, options);
     }
   }
 };

spec/qunit_spec.js

@@ -650,6 +650,23 @@ test("passing in data to a compiled function that expects data - works with help
   equals("happy cat", result, "Data output by helper");
 });
 
+test("passing in data to a compiled function that expects data - works with helpers in partials", function() {
+  var template = CompilerContext.compile("{{>my_partial}}", {data: true});
+
+  var partials = {
+    my_partial: CompilerContext.compile("{{hello}}", {data: true})
+  };
+
+  var helpers = {
+    hello: function(options) {
+      return options.data.adjective + " "  + this.noun;
+    }
+  };
+
+  var result = template({noun: "cat"}, {helpers: helpers, partials: partials, data: {adjective: "happy"}});
+  equals("happy cat", result, "Data output by helper inside partial");
+});
+
 test("passing in data to a compiled function that expects data - works with helpers and parameters", function() {
   var template = CompilerContext.compile("{{hello world}}", {data: true});