[Transforms] fix Not correctly emitting local name for exported class (microsoft#8048)

yuit · yuit · commit 2c95ea966cb3 · 2016-04-14T09:27:08.000-07:00
* Fix 7864: by set emitFlags to not substitute the node

* Address PR: fix comment
diff --git a/src/compiler/transformers/module/module.ts b/src/compiler/transformers/module/module.ts
@@ -358,6 +358,9 @@ namespace ts {
                 return undefined;
             }
 
+            // Set emitFlags on the name of the importEqualsDeclaration
+            // This is so the printer will not substitute the identifier
+            setNodeEmitFlags(node.name, NodeEmitFlags.NoSubstitution);
             const statements: Statement[] = [];
             if (moduleKind !== ModuleKind.AMD) {
                 if (hasModifier(node, ModifierFlags.Export)) {
@@ -639,6 +642,9 @@ namespace ts {
         function visitClassDeclaration(node: ClassDeclaration): VisitResult<Statement> {
             const statements: Statement[] = [];
             const name = node.name || getGeneratedNameForNode(node);
+            // Set emitFlags on the name of the classDeclaration
+            // This is so that when printer will not substitute the identifier
+            setNodeEmitFlags(name, NodeEmitFlags.NoSubstitution);
             if (hasModifier(node, ModifierFlags.Export)) {
                 statements.push(
                     createClassDeclaration(
@@ -834,6 +840,9 @@ namespace ts {
                 // Find the name of the module alias, if there is one
                 const importAliasName = getLocalNameForExternalImport(importNode, currentSourceFile);
                 if (includeNonAmdDependencies && importAliasName) {
+                    // Set emitFlags on the name of the classDeclaration
+                    // This is so that when printer will not substitute the identifier
+                    setNodeEmitFlags(importAliasName, NodeEmitFlags.NoSubstitution);
                     aliasedModuleNames.push(externalModuleName);
                     importAliasNames.push(createParameter(importAliasName));
                 }
