Null check for structDoc

Author: akshita31

src/features/documentation.ts

@@ -36,42 +36,45 @@ export function GetDocumentationString(structDoc: protocol.DocumentationComment)
     let indentSpaces = "\t\t";
     let documentation = "";
 
-    if (structDoc.SummaryText) {
-        documentation += structDoc.SummaryText + newLine;
+    if (structDoc) {
+        if (structDoc.SummaryText) {
+            documentation += structDoc.SummaryText + newLine;
+        }
+
+        if (structDoc.TypeParamElements && structDoc.TypeParamElements.length > 0) {
+            documentation += "Type Parameters:" + newLine;
+            documentation += indentSpaces + structDoc.TypeParamElements.map(displayDocumentationObject).join("\n" + indentSpaces) + newLine;
+        }
+
+        if (structDoc.ParamElements && structDoc.ParamElements.length > 0) {
+            documentation += "Parameters:" + newLine;
+            documentation += indentSpaces + structDoc.ParamElements.map(displayDocumentationObject).join("\n" + indentSpaces) + newLine;
+        }
+
+        if (structDoc.ReturnsText) {
+            documentation += structDoc.ReturnsText + newLine;
+        }
+
+        if (structDoc.RemarksText) {
+            documentation += structDoc.RemarksText + newLine;
+        }
+
+        if (structDoc.ExampleText) {
+            documentation += structDoc.ExampleText + newLine;
+        }
+
+        if (structDoc.ValueText) {
+            documentation += structDoc.ValueText + newLine;
+        }
+
+        if (structDoc.Exception && structDoc.Exception.length > 0) {
+            documentation += "Exceptions:" + newLine;
+            documentation += indentSpaces + structDoc.Exception.map(displayDocumentationObject).join("\n" + indentSpaces) + newLine;
+        }
+
+        documentation = documentation.trim();
     }
-
-    if (structDoc.TypeParamElements && structDoc.TypeParamElements.length > 0) {
-        documentation += "Type Parameters:" + newLine;
-        documentation += indentSpaces + structDoc.TypeParamElements.map(displayDocumentationObject).join("\n" + indentSpaces) + newLine;
-    }
-
-    if (structDoc.ParamElements && structDoc.ParamElements.length > 0) {
-        documentation += "Parameters:" + newLine;
-        documentation += indentSpaces + structDoc.ParamElements.map(displayDocumentationObject).join("\n" + indentSpaces) + newLine;
-    }
-
-    if (structDoc.ReturnsText) {
-        documentation += structDoc.ReturnsText + newLine;
-    }
-
-    if (structDoc.RemarksText) {
-        documentation += structDoc.RemarksText + newLine;
-    }
-
-    if (structDoc.ExampleText) {
-        documentation += structDoc.ExampleText + newLine;
-    }
-
-    if (structDoc.ValueText) {
-        documentation += structDoc.ValueText + newLine;
-    }
-
-    if (structDoc.Exception && structDoc.Exception.length > 0) {
-        documentation += "Exceptions:" + newLine;
-        documentation += indentSpaces + structDoc.Exception.map(displayDocumentationObject).join("\n" + indentSpaces) + newLine;
-    }
-
-    documentation = documentation.trim();
+    
     return documentation;
 }