From 4dc3cd3773ac3008d662c1093e35e11dafa2fd65 Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Tue, 10 Jul 2018 15:28:21 -0700
Subject: [PATCH] Use getEmitModuleKind to check module generation kind

---
 src/compiler/program.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/program.ts b/src/compiler/program.ts
index 9a492c1df82..a1a06eaa1ea 100644
--- a/src/compiler/program.ts
+++ b/src/compiler/program.ts
@@ -2549,7 +2549,7 @@ namespace ts {
                     createDiagnosticForOptionName(Diagnostics.Option_resolveJsonModule_cannot_be_specified_without_node_module_resolution_strategy, "resolveJsonModule");
                 }
                 // Any emit other than common js is error
-                else if (options.module !== undefined && options.module !== ModuleKind.CommonJS) {
+                else if (getEmitModuleKind(options) !== ModuleKind.CommonJS) {
                     createDiagnosticForOptionName(Diagnostics.Option_resolveJsonModule_can_only_be_specified_when_module_code_generation_is_commonjs, "resolveJsonModule", "module");
                 }
             }