From 8c80792fe24be2df99ba5313f4b3665b05d4b046 Mon Sep 17 00:00:00 2001
From: Vladimir Matveev <vladima@microsoft.com>
Date: Sat, 11 Apr 2015 04:58:39 -0700
Subject: [PATCH] emit publish of exported values in destructuring

---
 src/compiler/emitter.ts | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index 0fe6ec3697f..fcac5c9c2df 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -2588,14 +2588,35 @@ var __param = this.__param || function(index, decorator) { return function (targ
                     }
 
                     renameNonTopLevelLetAndConst(name);
-                    if (name.parent && (name.parent.kind === SyntaxKind.VariableDeclaration || name.parent.kind === SyntaxKind.BindingElement)) {
+                    
+                    const isVariableDeclarationOrBindingElement =
+                        name.parent && (name.parent.kind === SyntaxKind.VariableDeclaration || name.parent.kind === SyntaxKind.BindingElement);
+
+                    let emitPublishOfExportedValue = false;
+                    if (currentFileIsEmittedAsSystemModule() && !nodeIsSynthesized(name)) {
+                        let nodeToCheck = isVariableDeclarationOrBindingElement ? name.parent : resolver.getReferencedValueDeclaration(name);
+                        emitPublishOfExportedValue = nodeToCheck && (getCombinedNodeFlags(nodeToCheck) & NodeFlags.Export) && isSourceFileLevelDeclaration(nodeToCheck);
+                    }
+
+                    if (emitPublishOfExportedValue) {
+                        write(`${exportFunctionForFile}("`);
+                        emitNodeWithoutSourceMap(name);
+                        write(`", `);
+                    }
+
+                    if (isVariableDeclarationOrBindingElement) {
                         emitModuleMemberName(<Declaration>name.parent);
                     }
                     else {
                         emit(name);
                     }
+
                     write(" = ");
                     emit(value);
+
+                    if (emitPublishOfExportedValue) {
+                        write(")");
+                    }
                 }
 
                 function ensureIdentifier(expr: Expression): Expression {