Merge pull request #488 from abraham-fox/enable-support-for-chained-path-iterators

Enable support for chained path iterators

Author: oformaniuk

source/Handlebars.Test/BasicIntegrationTests.cs

@@ -2044,6 +2044,25 @@ public void HtmlEncoderCompatibilityIntegration_LateChangeConfig(bool useLegacyH
 
             Assert.Equal(expected, actual);
         }
+        
+        [Fact]
+        public void ChainedPathIteratorHelper()
+        {
+            var context = new
+            {
+                bundles = new
+                {
+                    styles = new
+                    {
+                        vendor = new[] { "a", "b", "c" }
+                    }
+                }
+            };
+
+            var nestedObjectsHelperResult = Handlebars.Compile("{{#bundles.styles.vendor}}{{this}}{{/bundles.styles.vendor}}")(context);
+
+            Assert.Equal("abc", nestedObjectsHelperResult);
+        }
 
         private class StringHelperResolver : IHelperResolver
         {

source/Handlebars/PathStructure/PathInfo.cs

@@ -189,7 +189,8 @@ public static PathInfo Parse(string path)
                 }
 
                 var chainSegments = GetPathChain(segment);
-                if (chainSegments.Length > 1) isValidHelperLiteral = false;
+
+                if (chainSegments.Length > 1 && pathType != PathType.BlockHelper) isValidHelperLiteral = false;
 
                 segments.Add(new PathSegment(segment, chainSegments));
             }