diff --git a/tests/baselines/reference/contextuallyTypedStringLiteralsInJsxAttributes02.js b/tests/baselines/reference/contextuallyTypedStringLiteralsInJsxAttributes02.js
index 692128a1a89..6f195cabebd 100644
--- a/tests/baselines/reference/contextuallyTypedStringLiteralsInJsxAttributes02.js
+++ b/tests/baselines/reference/contextuallyTypedStringLiteralsInJsxAttributes02.js
@@ -41,6 +41,7 @@ const d1 = <NoOverload1 {...{goTo:"home"}} extra  />;  // goTo has type "home" |
 //// [file.jsx]
 define(["require", "exports", "react"], function (require, exports, React) {
     "use strict";
+    exports.__esModule = true;
     function MainButton(props) {
         var linkProps = props;
         if (linkProps.goTo) {
diff --git a/tests/baselines/reference/tsxAttributeResolution15.js b/tests/baselines/reference/tsxAttributeResolution15.js
index c025552f98e..110c33593c6 100644
--- a/tests/baselines/reference/tsxAttributeResolution15.js
+++ b/tests/baselines/reference/tsxAttributeResolution15.js
@@ -29,6 +29,7 @@ var __extends = (this && this.__extends) || (function () {
     };
 })();
 var _this = this;
+exports.__esModule = true;
 var React = require("react");
 var BigGreeter = (function (_super) {
     __extends(BigGreeter, _super);
diff --git a/tests/baselines/reference/tsxDefaultAttributesResolution1.js b/tests/baselines/reference/tsxDefaultAttributesResolution1.js
index 209f6336bdf..87c079901d9 100644
--- a/tests/baselines/reference/tsxDefaultAttributesResolution1.js
+++ b/tests/baselines/reference/tsxDefaultAttributesResolution1.js
@@ -26,6 +26,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var Poisoned = (function (_super) {
     __extends(Poisoned, _super);
diff --git a/tests/baselines/reference/tsxDefaultAttributesResolution2.js b/tests/baselines/reference/tsxDefaultAttributesResolution2.js
index 63fd59d8726..bc5e6a94ef2 100644
--- a/tests/baselines/reference/tsxDefaultAttributesResolution2.js
+++ b/tests/baselines/reference/tsxDefaultAttributesResolution2.js
@@ -26,6 +26,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var Poisoned = (function (_super) {
     __extends(Poisoned, _super);
diff --git a/tests/baselines/reference/tsxDefaultAttributesResolution3.js b/tests/baselines/reference/tsxDefaultAttributesResolution3.js
index 41c948632c3..82d940ff580 100644
--- a/tests/baselines/reference/tsxDefaultAttributesResolution3.js
+++ b/tests/baselines/reference/tsxDefaultAttributesResolution3.js
@@ -26,6 +26,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var Poisoned = (function (_super) {
     __extends(Poisoned, _super);
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution1.js b/tests/baselines/reference/tsxSpreadAttributesResolution1.js
index f65293b2bf8..1e28c35c9e5 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution1.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution1.js
@@ -26,6 +26,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var Poisoned = (function (_super) {
     __extends(Poisoned, _super);
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution10.js b/tests/baselines/reference/tsxSpreadAttributesResolution10.js
index f475c7277dc..692e9411ad0 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution10.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution10.js
@@ -36,6 +36,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var Opt = (function (_super) {
     __extends(Opt, _super);
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution11.js b/tests/baselines/reference/tsxSpreadAttributesResolution11.js
index 0327f0a1743..d3d6deaba9d 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution11.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution11.js
@@ -44,6 +44,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var obj = {};
 var obj1 = {
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution12.js b/tests/baselines/reference/tsxSpreadAttributesResolution12.js
index a970df473f8..caf7a3bb2a5 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution12.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution12.js
@@ -43,6 +43,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var obj = {};
 var obj1 = {
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution2.js b/tests/baselines/reference/tsxSpreadAttributesResolution2.js
index 1e9a275edf8..78bc144ef11 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution2.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution2.js
@@ -32,6 +32,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var Poisoned = (function (_super) {
     __extends(Poisoned, _super);
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution3.js b/tests/baselines/reference/tsxSpreadAttributesResolution3.js
index f7941c8fb65..04419f46e1b 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution3.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution3.js
@@ -34,6 +34,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var Poisoned = (function (_super) {
     __extends(Poisoned, _super);
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution4.js b/tests/baselines/reference/tsxSpreadAttributesResolution4.js
index a015e819328..38e7b421b2e 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution4.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution4.js
@@ -48,6 +48,7 @@ var __extends = (this && this.__extends) || (function () {
     };
 })();
 var _this = this;
+exports.__esModule = true;
 var React = require("react");
 var Poisoned = (function (_super) {
     __extends(Poisoned, _super);
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution5.js b/tests/baselines/reference/tsxSpreadAttributesResolution5.js
index 05cbd2a3c85..a7a291bad71 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution5.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution5.js
@@ -46,6 +46,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var Poisoned = (function (_super) {
     __extends(Poisoned, _super);
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution6.js b/tests/baselines/reference/tsxSpreadAttributesResolution6.js
index 04fb196dc7f..ed12d7c2b4a 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution6.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution6.js
@@ -30,6 +30,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var TextComponent = (function (_super) {
     __extends(TextComponent, _super);
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution7.js b/tests/baselines/reference/tsxSpreadAttributesResolution7.js
index 5c5bd2f288a..cca03c7adb6 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution7.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution7.js
@@ -37,6 +37,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var TextComponent = (function (_super) {
     __extends(TextComponent, _super);
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution8.js b/tests/baselines/reference/tsxSpreadAttributesResolution8.js
index 8c67064c7d9..4d60b5a680d 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution8.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution8.js
@@ -39,6 +39,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var obj = {};
 var obj1 = {
diff --git a/tests/baselines/reference/tsxSpreadAttributesResolution9.js b/tests/baselines/reference/tsxSpreadAttributesResolution9.js
index 116f2c02f78..85647cc169c 100644
--- a/tests/baselines/reference/tsxSpreadAttributesResolution9.js
+++ b/tests/baselines/reference/tsxSpreadAttributesResolution9.js
@@ -37,6 +37,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var Opt = (function (_super) {
     __extends(Opt, _super);
diff --git a/tests/baselines/reference/tsxStatelessFunctionComponentOverload1.js b/tests/baselines/reference/tsxStatelessFunctionComponentOverload1.js
index 4b3d582f6cc..9a6a4ea44f0 100644
--- a/tests/baselines/reference/tsxStatelessFunctionComponentOverload1.js
+++ b/tests/baselines/reference/tsxStatelessFunctionComponentOverload1.js
@@ -43,6 +43,7 @@ const e6 = <TestingOptional y1 y3 y2={10} />
 //// [file.jsx]
 define(["require", "exports", "react"], function (require, exports, React) {
     "use strict";
+    exports.__esModule = true;
     // OK
     var c1 = <OneThing yxx='ok'/>;
     var c2 = <OneThing yy={100} yy1="hello"/>;
diff --git a/tests/baselines/reference/tsxStatelessFunctionComponentOverload2.js b/tests/baselines/reference/tsxStatelessFunctionComponentOverload2.js
index c237cfeb696..aaf1736bef3 100644
--- a/tests/baselines/reference/tsxStatelessFunctionComponentOverload2.js
+++ b/tests/baselines/reference/tsxStatelessFunctionComponentOverload2.js
@@ -36,6 +36,7 @@ const c10 = <OneThing {...obj2} yy1="boo" />;
 //// [file.jsx]
 define(["require", "exports", "react"], function (require, exports, React) {
     "use strict";
+    exports.__esModule = true;
     var obj = {
         yy: 10,
         yy1: "hello"
diff --git a/tests/baselines/reference/tsxStatelessFunctionComponentOverload4.js b/tests/baselines/reference/tsxStatelessFunctionComponentOverload4.js
index c2d8bd3cf69..6fa423e924e 100644
--- a/tests/baselines/reference/tsxStatelessFunctionComponentOverload4.js
+++ b/tests/baselines/reference/tsxStatelessFunctionComponentOverload4.js
@@ -38,6 +38,7 @@ const e2 = <TestingOptional y1="hello" y2={1000} y3 />
 //// [file.jsx]
 define(["require", "exports", "react"], function (require, exports, React) {
     "use strict";
+    exports.__esModule = true;
     var obj = {
         yy: 10,
         yy1: "hello"
diff --git a/tests/baselines/reference/tsxStatelessFunctionComponentOverload5.js b/tests/baselines/reference/tsxStatelessFunctionComponentOverload5.js
index 615103f461d..fb1dce8fe1d 100644
--- a/tests/baselines/reference/tsxStatelessFunctionComponentOverload5.js
+++ b/tests/baselines/reference/tsxStatelessFunctionComponentOverload5.js
@@ -60,6 +60,7 @@ const b8 = <MainButton data-format />;  // incorrect type for specified hyphanat
 //// [file.jsx]
 define(["require", "exports", "react"], function (require, exports, React) {
     "use strict";
+    exports.__esModule = true;
     var obj0 = {
         to: "world"
     };
diff --git a/tests/baselines/reference/tsxStatelessFunctionComponentOverload6.js b/tests/baselines/reference/tsxStatelessFunctionComponentOverload6.js
index ffcc9a91cf0..8e7eff616fb 100644
--- a/tests/baselines/reference/tsxStatelessFunctionComponentOverload6.js
+++ b/tests/baselines/reference/tsxStatelessFunctionComponentOverload6.js
@@ -61,6 +61,7 @@ const b12 = <MainButton data-format="Hello world" />
 //// [file.jsx]
 define(["require", "exports", "react"], function (require, exports, React) {
     "use strict";
+    exports.__esModule = true;
     var obj = {
         children: "hi",
         to: "boo"
diff --git a/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments1.js b/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments1.js
index 3824c49af4a..bf34d86f37e 100644
--- a/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments1.js
+++ b/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments1.js
@@ -34,6 +34,7 @@ let i = <InferParamComponent values={[1, 2, 3, 4]} selectHandler={(val) => { }}
 //// [file.jsx]
 define(["require", "exports", "react"], function (require, exports, React) {
     "use strict";
+    exports.__esModule = true;
     // OK
     function Baz(key1, value) {
         var a0 = <ComponentWithTwoAttributes key1={key1} value={value}/>;
diff --git a/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments2.js b/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments2.js
index 30e85c21d4a..239eb6dbe20 100644
--- a/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments2.js
+++ b/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments2.js
@@ -36,6 +36,7 @@ let i = <InferParamComponent values={[1, 2, 3, 4]} selectHandler={(val: string)
 //// [file.jsx]
 define(["require", "exports", "react"], function (require, exports, React) {
     "use strict";
+    exports.__esModule = true;
     // Error
     function Bar(arg) {
         var a1 = <ComponentSpecific1 {...arg} ignore-prop={10}/>;
diff --git a/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments3.js b/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments3.js
index 8eaf5d2015e..fbfdc20fbf6 100644
--- a/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments3.js
+++ b/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments3.js
@@ -27,6 +27,7 @@ function createLink(func: (a: number)=>void) {
 //// [file.jsx]
 define(["require", "exports", "react"], function (require, exports, React) {
     "use strict";
+    exports.__esModule = true;
     // OK
     function Baz(arg1, arg2) {
         var a0 = <OverloadComponent {...arg1} a="hello" ignore-prop/>;
diff --git a/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments4.js b/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments4.js
index 63d24e3ab6a..96ba7a83984 100644
--- a/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments4.js
+++ b/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments4.js
@@ -15,6 +15,7 @@ function Baz<T extends {b: number}, U extends {a: boolean, b:string}>(arg1: T, a
 //// [file.jsx]
 define(["require", "exports", "react"], function (require, exports, React) {
     "use strict";
+    exports.__esModule = true;
     // Error
     function Baz(arg1, arg2) {
         var a0 = <OverloadComponent a={arg1.b}/>;
diff --git a/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments5.js b/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments5.js
index f7766dc3f5f..93d1af54434 100644
--- a/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments5.js
+++ b/tests/baselines/reference/tsxStatelessFunctionComponentsWithTypeArguments5.js
@@ -23,6 +23,7 @@ function Bar<T extends { prop: number }>(arg: T) {
 //// [file.jsx]
 define(["require", "exports", "react"], function (require, exports, React) {
     "use strict";
+    exports.__esModule = true;
     function createComponent(arg) {
         var a1 = <Component {...arg}/>;
         var a2 = <Component {...arg} prop1/>;
diff --git a/tests/baselines/reference/tsxUnionElementType1.js b/tests/baselines/reference/tsxUnionElementType1.js
index 9e4985003ee..45e62c20e2c 100644
--- a/tests/baselines/reference/tsxUnionElementType1.js
+++ b/tests/baselines/reference/tsxUnionElementType1.js
@@ -15,6 +15,7 @@ var SFCComp = SFC1 || SFC2;
 
 //// [file.js]
 "use strict";
+exports.__esModule = true;
 var React = require("react");
 function SFC1(prop) {
     return React.createElement("div", null, "hello");
diff --git a/tests/baselines/reference/tsxUnionElementType2.js b/tests/baselines/reference/tsxUnionElementType2.js
index f8452ac7069..03008e53698 100644
--- a/tests/baselines/reference/tsxUnionElementType2.js
+++ b/tests/baselines/reference/tsxUnionElementType2.js
@@ -15,6 +15,7 @@ var SFCComp = SFC1 || SFC2;
 
 //// [file.js]
 "use strict";
+exports.__esModule = true;
 var React = require("react");
 function SFC1(prop) {
     return React.createElement("div", null, "hello");
diff --git a/tests/baselines/reference/tsxUnionElementType3.js b/tests/baselines/reference/tsxUnionElementType3.js
index 21e97e75694..97b3fcd25a0 100644
--- a/tests/baselines/reference/tsxUnionElementType3.js
+++ b/tests/baselines/reference/tsxUnionElementType3.js
@@ -49,6 +49,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var RC1 = (function (_super) {
     __extends(RC1, _super);
diff --git a/tests/baselines/reference/tsxUnionElementType4.js b/tests/baselines/reference/tsxUnionElementType4.js
index bf49afd588b..f2a97dbee9d 100644
--- a/tests/baselines/reference/tsxUnionElementType4.js
+++ b/tests/baselines/reference/tsxUnionElementType4.js
@@ -48,6 +48,7 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+exports.__esModule = true;
 var React = require("react");
 var RC1 = (function (_super) {
     __extends(RC1, _super);
diff --git a/tests/baselines/reference/tsxUnionElementType5.js b/tests/baselines/reference/tsxUnionElementType5.js
index 2d1887885bd..ed89f843097 100644
--- a/tests/baselines/reference/tsxUnionElementType5.js
+++ b/tests/baselines/reference/tsxUnionElementType5.js
@@ -23,6 +23,7 @@ let b = <SFC2AndEmptyComp x />
 
 //// [file.js]
 "use strict";
+exports.__esModule = true;
 var React = require("react");
 function EmptySFC1() {
     return React.createElement("div", null, "hello");
diff --git a/tests/baselines/reference/tsxUnionElementType6.js b/tests/baselines/reference/tsxUnionElementType6.js
index 96934e1e58d..7d7158f363c 100644
--- a/tests/baselines/reference/tsxUnionElementType6.js
+++ b/tests/baselines/reference/tsxUnionElementType6.js
@@ -26,6 +26,7 @@ let d = <SFC2AndEmptyComp data-prop />;
 
 //// [file.js]
 "use strict";
+exports.__esModule = true;
 var React = require("react");
 function EmptySFC1() {
     return React.createElement("div", null, "Hi");