diff --git a/packages/babel-generator/test/fixtures/flow/declare-exports/expected.js b/packages/babel-generator/test/fixtures/flow/declare-exports/expected.js
index 1b1cf155a2..da22c01415 100644
--- a/packages/babel-generator/test/fixtures/flow/declare-exports/expected.js
+++ b/packages/babel-generator/test/fixtures/flow/declare-exports/expected.js
@@ -38,4 +38,4 @@ declare export opaque type Bar<T>;
 declare export opaque type Baz: Foo;
 declare export opaque type Foo<T>: Bar<T>;
 declare export opaque type Foo<T>: Bar;
-declare export opaque type Foo: Bar<T>;
+declare export opaque type Foo: Bar<T>;
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/flow/declare-module/expected.js b/packages/babel-generator/test/fixtures/flow/declare-module/expected.js
index 9fc62c7edf..d2a3ddb829 100644
--- a/packages/babel-generator/test/fixtures/flow/declare-module/expected.js
+++ b/packages/babel-generator/test/fixtures/flow/declare-module/expected.js
@@ -15,4 +15,4 @@ declare module A {
   declare module.exports: {
     foo(): number
   }
-}
+}
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/flow/declare-statements/expected.js b/packages/babel-generator/test/fixtures/flow/declare-statements/expected.js
index 674b66daa2..7be6ae40ce 100644
--- a/packages/babel-generator/test/fixtures/flow/declare-statements/expected.js
+++ b/packages/babel-generator/test/fixtures/flow/declare-statements/expected.js
@@ -41,4 +41,4 @@ declare module.exports: {
 declare opaque type Foo<T>: Bar<T>;
 declare opaque type ID;
 declare opaque type num: number;
-declare opaque type NumArray;
+declare opaque type NumArray;
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/flow/object-literal-types/expected.js b/packages/babel-generator/test/fixtures/flow/object-literal-types/expected.js
index e394e17da3..952f62e302 100644
--- a/packages/babel-generator/test/fixtures/flow/object-literal-types/expected.js
+++ b/packages/babel-generator/test/fixtures/flow/object-literal-types/expected.js
@@ -27,4 +27,4 @@ type T = {
 };
 type T = {
   [param: string]: U
-};
+};
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/flow/opaque-type-alias/expected.js b/packages/babel-generator/test/fixtures/flow/opaque-type-alias/expected.js
index 191ed89f70..d5868b9298 100644
--- a/packages/babel-generator/test/fixtures/flow/opaque-type-alias/expected.js
+++ b/packages/babel-generator/test/fixtures/flow/opaque-type-alias/expected.js
@@ -7,4 +7,4 @@ opaque type union = {
 } | {
   type: "B"
 };
-opaque type overloads = (x: string) => number & (x: number) => string;
+opaque type overloads = (x: string) => number & (x: number) => string;
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/flow/type-annotations/expected.js b/packages/babel-generator/test/fixtures/flow/type-annotations/expected.js
index 569abf1895..84200366ba 100644
--- a/packages/babel-generator/test/fixtures/flow/type-annotations/expected.js
+++ b/packages/babel-generator/test/fixtures/flow/type-annotations/expected.js
@@ -288,4 +288,4 @@ function foo(numVal: number = 2) {}
 
 function foo(numVal?: number = 2) {}
 
-export type * from "foo";
+export type * from "foo";
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/parentheses/class-extends/expected.js b/packages/babel-generator/test/fixtures/parentheses/class-extends/expected.js
index 6885e6094e..4b67a09f7e 100644
--- a/packages/babel-generator/test/fixtures/parentheses/class-extends/expected.js
+++ b/packages/babel-generator/test/fixtures/parentheses/class-extends/expected.js
@@ -32,4 +32,4 @@ async function f() {
 
 function* f() {
   class A extends (yield 1) {}
-}
+}
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/types/ReturnStatement/expected.js b/packages/babel-generator/test/fixtures/types/ReturnStatement/expected.js
index 7b72e8880c..e9aa8d3401 100644
--- a/packages/babel-generator/test/fixtures/types/ReturnStatement/expected.js
+++ b/packages/babel-generator/test/fixtures/types/ReturnStatement/expected.js
@@ -16,4 +16,4 @@ function foo() {
 
 function foo() {
   return /a/;
-}
+}
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/types/ThrowStatement/expected.js b/packages/babel-generator/test/fixtures/types/ThrowStatement/expected.js
index e399520fa3..97b0e449ab 100644
--- a/packages/babel-generator/test/fixtures/types/ThrowStatement/expected.js
+++ b/packages/babel-generator/test/fixtures/types/ThrowStatement/expected.js
@@ -1,4 +1,4 @@
 throw err;
 throw Error("foobar");
 throw new Error("foobar");
-throw /a/;
+throw /a/;
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/types/UpdateExpression/expected.js b/packages/babel-generator/test/fixtures/types/UpdateExpression/expected.js
index b3776af59c..25fc43288d 100644
--- a/packages/babel-generator/test/fixtures/types/UpdateExpression/expected.js
+++ b/packages/babel-generator/test/fixtures/types/UpdateExpression/expected.js
@@ -1,4 +1,4 @@
 ++i;
 i++;
 (foo++).test();
-obj.foo /*comment*/++;
+obj.foo /*comment*/++;
\ No newline at end of file
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/loose/static-undefined/expected.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/loose/static-undefined/expected.js
index 8257a3d7cd..94707d5451 100644
--- a/packages/babel-plugin-proposal-class-properties/test/fixtures/loose/static-undefined/expected.js
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/loose/static-undefined/expected.js
@@ -2,4 +2,4 @@ var Foo = function Foo() {
   babelHelpers.classCallCheck(this, Foo);
 };
 
-Foo.bar = void 0;
\ No newline at end of file
+Foo.bar = void 0;
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/edgest-case/actual.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-edgest-case/actual.js
similarity index 100%
rename from packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/edgest-case/actual.js
rename to packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-edgest-case/actual.js
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-edgest-case/options.json b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-edgest-case/options.json
new file mode 100644
index 0000000000..7077bdfea3
--- /dev/null
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-edgest-case/options.json
@@ -0,0 +1,5 @@
+{
+  "plugins": ["proposal-class-properties", "transform-classes"],
+  "minNodeVersion": "6.0.0",
+  "throws": "Class \"A\" cannot be referenced in computed property keys."
+}
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/general/actual.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-general/actual.js
similarity index 100%
rename from packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/general/actual.js
rename to packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-general/actual.js
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/general/exec.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-general/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/general/exec.js
rename to packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-general/exec.js
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-general/options.json b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-general/options.json
new file mode 100644
index 0000000000..265ff32439
--- /dev/null
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-general/options.json
@@ -0,0 +1,5 @@
+{
+  "plugins": ["proposal-class-properties", "transform-classes"],
+  "minNodeVersion": "6.0.0",
+  "throws": "Class \"C\" cannot be referenced in computed property keys."
+}
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/loose/actual.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-loose/actual.js
similarity index 100%
rename from packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/loose/actual.js
rename to packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-loose/actual.js
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/loose/exec.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-loose/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/loose/exec.js
rename to packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-loose/exec.js
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-loose/options.json b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-loose/options.json
new file mode 100644
index 0000000000..dde6ad6780
--- /dev/null
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz-loose/options.json
@@ -0,0 +1,5 @@
+{
+  "plugins": [["proposal-class-properties", {"loose": true}]],
+  "minNodeVersion": "6.0.0",
+  "throws": "Class \"C\" cannot be referenced in computed property keys."
+}
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/edgest-case/expected.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/edgest-case/expected.js
deleted file mode 100644
index dba70bfd69..0000000000
--- a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/edgest-case/expected.js
+++ /dev/null
@@ -1,17 +0,0 @@
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-function _classNameTDZError(name) { throw new Error("Class \"" + name + "\" cannot be referenced in computed property keys."); }
-
-let A = function A() {
-  _classCallCheck(this, A);
-};
-
-var _x$x = {
-  x: (_classNameTDZError("A"), A) || 0
-}.x;
-Object.defineProperty(A, _x$x, {
-  configurable: true,
-  enumerable: true,
-  writable: true,
-  value: void 0
-});
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/general/expected.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/general/expected.js
deleted file mode 100644
index de444cb26b..0000000000
--- a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/general/expected.js
+++ /dev/null
@@ -1,16 +0,0 @@
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-function _classNameTDZError(name) { throw new Error("Class \"" + name + "\" cannot be referenced in computed property keys."); }
-
-let C = function C() {
-  _classCallCheck(this, C);
-};
-
-var _ref = (_classNameTDZError("C"), C) + 3;
-
-Object.defineProperty(C, _ref, {
-  configurable: true,
-  enumerable: true,
-  writable: true,
-  value: 3
-});
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/general/options.json b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/general/options.json
deleted file mode 100644
index 758a66fe92..0000000000
--- a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/general/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "throws": "Class \"C\" cannot be referenced in computed property keys."
-}
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/loose/expected.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/loose/expected.js
deleted file mode 100644
index c3cec96efe..0000000000
--- a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/loose/expected.js
+++ /dev/null
@@ -1,7 +0,0 @@
-function _classNameTDZError(name) { throw new Error("Class \"" + name + "\" cannot be referenced in computed property keys."); }
-
-class C {}
-
-var _ref = (_classNameTDZError("C"), C) + 3;
-
-C[_ref] = 3;
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/loose/options.json b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/loose/options.json
deleted file mode 100644
index 5aef1db272..0000000000
--- a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/loose/options.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "throws": "Class \"C\" cannot be referenced in computed property keys.",
-  "plugins": [["proposal-class-properties", {"loose": true}]]
-}
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/options.json b/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/options.json
deleted file mode 100644
index 925ad282ea..0000000000
--- a/packages/babel-plugin-proposal-class-properties/test/fixtures/static-property-tdz/options.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "plugins": ["proposal-class-properties", "transform-classes"],
-  "minNodeVersion": "6.0.0"
-}
diff --git a/packages/babel-plugin-transform-flow-strip-types/test/fixtures/requireDirective/true-strips-with-directive/expected.js b/packages/babel-plugin-transform-flow-strip-types/test/fixtures/requireDirective/true-strips-with-directive/expected.js
index a828af11ee..88aebda63c 100644
--- a/packages/babel-plugin-transform-flow-strip-types/test/fixtures/requireDirective/true-strips-with-directive/expected.js
+++ b/packages/babel-plugin-transform-flow-strip-types/test/fixtures/requireDirective/true-strips-with-directive/expected.js
@@ -1 +1 @@
-function foo(numVal, strVal) {}
\ No newline at end of file
+function foo(numVal, strVal) {}
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.optimisation.react.constant-elements/expected.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.optimisation.react.constant-elements/expected.js
deleted file mode 100644
index 32b1dc88bc..0000000000
--- a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.optimisation.react.constant-elements/expected.js
+++ /dev/null
@@ -1,40 +0,0 @@
-var _ref = React.createElement(
-  "div",
-  { className: "navbar-header" },
-  React.createElement(
-    "a",
-    { className: "navbar-brand", href: "/" },
-    React.createElement("img", { src: "/img/logo/logo-96x36.png" })
-  )
-);
-
-var App = (function (_React$Component) {
-  babelHelpers.inherits(App, _React$Component);
-
-  function App() {
-    babelHelpers.classCallCheck(this, App);
-    babelHelpers.get(Object.getPrototypeOf(App.prototype), "constructor", this).apply(this, arguments);
-  }
-
-  babelHelpers.createClass(App, [{
-    key: "render",
-    value: function render() {
-      var navbarHeader = _ref;
-
-      return React.createElement(
-        "div",
-        null,
-        React.createElement(
-          "nav",
-          { className: "navbar navbar-default" },
-          React.createElement(
-            "div",
-            { className: "container" },
-            navbarHeader
-          )
-        )
-      );
-    }
-  }]);
-  return App;
-})(React.Component);
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-not-strip-nbsp-even-coupled-with-other-whitespace/expected.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-not-strip-nbsp-even-coupled-with-other-whitespace/expected.js
deleted file mode 100644
index 796b172664..0000000000
--- a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-not-strip-nbsp-even-coupled-with-other-whitespace/expected.js
+++ /dev/null
@@ -1 +0,0 @@
-React.createElement("div", null, "\u00A0 ");
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-not-strip-tags-with-a-single-child-of-nbsp/expected.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-not-strip-tags-with-a-single-child-of-nbsp/expected.js
deleted file mode 100644
index 3c405fd729..0000000000
--- a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-not-strip-tags-with-a-single-child-of-nbsp/expected.js
+++ /dev/null
@@ -1 +0,0 @@
-React.createElement("div", null, "\u00A0");
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-properly-handle-comments-between-props/expected.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-properly-handle-comments-between-props/expected.js
deleted file mode 100644
index ae95737591..0000000000
--- a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-properly-handle-comments-between-props/expected.js
+++ /dev/null
@@ -1,8 +0,0 @@
-var x = (React.createElement("div", {
-  /* a multi-line
-     comment */
-  attr1: "foo"},
-  React.createElement("span", {// a double-slash comment
-    attr2: "bar"}
-  )
-));
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.optimisation.react.constant-elements/actual.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/optimisation.react.constant-elements/actual.js
similarity index 100%
rename from packages/babel-plugin-transform-react-jsx/test/fixtures/react/.optimisation.react.constant-elements/actual.js
rename to packages/babel-plugin-transform-react-jsx/test/fixtures/react/optimisation.react.constant-elements/actual.js
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/optimisation.react.constant-elements/expected.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/optimisation.react.constant-elements/expected.js
new file mode 100644
index 0000000000..dc5c056f68
--- /dev/null
+++ b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/optimisation.react.constant-elements/expected.js
@@ -0,0 +1,31 @@
+var _ref = <div className="navbar-header">
+      <a className="navbar-brand" href="/">
+        <img src="/img/logo/logo-96x36.png" />
+      </a>
+    </div>;
+
+let App =
+/*#__PURE__*/
+function (_React$Component) {
+  babelHelpers.inherits(App, _React$Component);
+
+  function App() {
+    babelHelpers.classCallCheck(this, App);
+    return babelHelpers.possibleConstructorReturn(this, (App.__proto__ || Object.getPrototypeOf(App)).apply(this, arguments));
+  }
+
+  babelHelpers.createClass(App, [{
+    key: "render",
+    value: function render() {
+      const navbarHeader = _ref;
+      return <div>
+      <nav className="navbar navbar-default">
+        <div className="container">
+          {navbarHeader}
+        </div>
+      </nav>
+    </div>;
+    }
+  }]);
+  return App;
+}(React.Component);
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.optimisation.react.constant-elements/options.json b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/optimisation.react.constant-elements/options.json
similarity index 100%
rename from packages/babel-plugin-transform-react-jsx/test/fixtures/react/.optimisation.react.constant-elements/options.json
rename to packages/babel-plugin-transform-react-jsx/test/fixtures/react/optimisation.react.constant-elements/options.json
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-not-strip-nbsp-even-coupled-with-other-whitespace/actual.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-not-strip-nbsp-even-coupled-with-other-whitespace/actual.js
similarity index 100%
rename from packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-not-strip-nbsp-even-coupled-with-other-whitespace/actual.js
rename to packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-not-strip-nbsp-even-coupled-with-other-whitespace/actual.js
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-not-strip-nbsp-even-coupled-with-other-whitespace/expected.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-not-strip-nbsp-even-coupled-with-other-whitespace/expected.js
new file mode 100644
index 0000000000..5f5e319270
--- /dev/null
+++ b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-not-strip-nbsp-even-coupled-with-other-whitespace/expected.js
@@ -0,0 +1 @@
+React.createElement("div", null, "\xA0 ");
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-not-strip-tags-with-a-single-child-of-nbsp/actual.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-not-strip-tags-with-a-single-child-of-nbsp/actual.js
similarity index 100%
rename from packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-not-strip-tags-with-a-single-child-of-nbsp/actual.js
rename to packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-not-strip-tags-with-a-single-child-of-nbsp/actual.js
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-not-strip-tags-with-a-single-child-of-nbsp/expected.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-not-strip-tags-with-a-single-child-of-nbsp/expected.js
new file mode 100644
index 0000000000..d9d43fd992
--- /dev/null
+++ b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-not-strip-tags-with-a-single-child-of-nbsp/expected.js
@@ -0,0 +1 @@
+React.createElement("div", null, "\xA0");
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-properly-handle-comments-between-props/actual.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-properly-handle-comments-between-props/actual.js
similarity index 100%
rename from packages/babel-plugin-transform-react-jsx/test/fixtures/react/.should-properly-handle-comments-between-props/actual.js
rename to packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-properly-handle-comments-between-props/actual.js
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-properly-handle-comments-between-props/expected.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-properly-handle-comments-between-props/expected.js
new file mode 100644
index 0000000000..52a8177e5f
--- /dev/null
+++ b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-properly-handle-comments-between-props/expected.js
@@ -0,0 +1,8 @@
+var x = React.createElement("div", {
+  /* a multi-line
+     comment */
+  attr1: "foo"
+}, React.createElement("span", {
+  // a double-slash comment
+  attr2: "bar"
+}));
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/throw-if-pragma-set-but-not-pragmafrag-and-frag-used/expected.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/throw-if-pragma-set-but-not-pragmafrag-and-frag-used/expected.js
deleted file mode 100644
index 42ac96f10c..0000000000
--- a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/throw-if-pragma-set-but-not-pragmafrag-and-frag-used/expected.js
+++ /dev/null
@@ -1,2 +0,0 @@
-/** @jsx dom */
-dom(React.Fragment, null);
diff --git a/packages/babel-plugin-transform-template-literals/test/fixtures/default/expression-first/expected.js b/packages/babel-plugin-transform-template-literals/test/fixtures/default/expression-first/expected.js
index 5880e3d75e..9d2b523d3d 100644
--- a/packages/babel-plugin-transform-template-literals/test/fixtures/default/expression-first/expected.js
+++ b/packages/babel-plugin-transform-template-literals/test/fixtures/default/expression-first/expected.js
@@ -6,4 +6,3 @@ var example2 = "".concat(1);
 var example3 = 1 + "".concat(foo).concat(bar).concat(baz);
 var example4 = 1 + "".concat(foo, "bar").concat(baz);
 var example5 = "";
-
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/cast/as-expression/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/cast/as-expression/expected.js
index 3f043d7f81..6c650fc54b 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/cast/as-expression/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/cast/as-expression/expected.js
@@ -1 +1 @@
-x;
\ No newline at end of file
+x;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/cast/non-null-assertion/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/cast/non-null-assertion/expected.js
index 3f043d7f81..6c650fc54b 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/cast/non-null-assertion/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/cast/non-null-assertion/expected.js
@@ -1 +1 @@
-x;
\ No newline at end of file
+x;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/cast/type-assertion/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/cast/type-assertion/expected.js
index 3f043d7f81..6c650fc54b 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/cast/type-assertion/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/cast/type-assertion/expected.js
@@ -1 +1 @@
-x;
\ No newline at end of file
+x;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/class/head/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/class/head/expected.js
index 3155433d5a..bf46caae30 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/class/head/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/class/head/expected.js
@@ -1 +1 @@
-class C extends D {}
\ No newline at end of file
+class C extends D {}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/class/index-signature/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/class/index-signature/expected.js
index f9822136b3..2be77991ff 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/class/index-signature/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/class/index-signature/expected.js
@@ -1 +1 @@
-class C {}
\ No newline at end of file
+class C {}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/class/methods/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/class/methods/expected.js
index 332ab44167..cb6e585efb 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/class/methods/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/class/methods/expected.js
@@ -1,4 +1,4 @@
 class C {
   m(x, ...y) {}
 
-}
\ No newline at end of file
+}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/class/parameter-properties-with-super/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/class/parameter-properties-with-super/expected.js
index cdfd579b4b..0c13afae2a 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/class/parameter-properties-with-super/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/class/parameter-properties-with-super/expected.js
@@ -4,4 +4,4 @@ class C extends Object {
     this.x = x;
   }
 
-}
\ No newline at end of file
+}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/class/parameter-properties/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/class/parameter-properties/expected.js
index e559d614a3..2f3b9f022f 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/class/parameter-properties/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/class/parameter-properties/expected.js
@@ -5,4 +5,4 @@ class C {
     this.z = z;
   }
 
-}
\ No newline at end of file
+}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/expected.js
index 3f3bcf41b5..14de70ecc5 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/expected.js
@@ -1,3 +1,3 @@
 class C {
   b = 0;
-}
\ No newline at end of file
+}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/declarations/erased/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/declarations/erased/expected.js
index 2cb72714d1..efd6dcc735 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/declarations/erased/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/declarations/erased/expected.js
@@ -1 +1 @@
-export class C2 {}
\ No newline at end of file
+export class C2 {}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/constant-folding/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/constant-folding/expected.js
index 1dbfbeb560..824a11ed4e 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/enum/constant-folding/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/enum/constant-folding/expected.js
@@ -9,4 +9,4 @@ var E;
   E[E["f"] = -1] = "f";
   E[E["g"] = 5.4] = "g";
   E[E["h"] = 6.4] = "h";
-})(E || (E = {}));
\ No newline at end of file
+})(E || (E = {}));
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/export/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/export/expected.js
index f1164ae68a..434200d9e9 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/enum/export/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/enum/export/expected.js
@@ -6,4 +6,4 @@ export let E;
 
 (function (E) {
   E[E["B"] = 2] = "B";
-})(E || (E = {}));
\ No newline at end of file
+})(E || (E = {}));
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/inferred/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/inferred/expected.js
index 064529c6be..74a923c919 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/enum/inferred/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/enum/inferred/expected.js
@@ -3,4 +3,4 @@ var E;
 (function (E) {
   E[E["x"] = 0] = "x";
   E[E["y"] = 1] = "y";
-})(E || (E = {}));
\ No newline at end of file
+})(E || (E = {}));
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/scoped/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/scoped/expected.js
index cacbe4aaea..e6bf9e7ae1 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/enum/scoped/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/enum/scoped/expected.js
@@ -3,4 +3,4 @@
   let E;
 
   (function (E) {})(E || (E = {}));
-}
\ No newline at end of file
+}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/function/overloads/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/function/overloads/expected.js
index 9aa2d1819a..0d090bd255 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/function/overloads/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/function/overloads/expected.js
@@ -1 +1 @@
-function f() {}
\ No newline at end of file
+function f() {}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/function/parameters/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/function/parameters/expected.js
index cec636bc5b..11226339f6 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/function/parameters/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/function/parameters/expected.js
@@ -1,3 +1,3 @@
 function f(x, ...y) {}
 
-function g(x = 0) {}
\ No newline at end of file
+function g(x = 0) {}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/function/this-parameter/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/function/this-parameter/expected.js
index 3729cfe4a0..ded864e231 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/function/this-parameter/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/function/this-parameter/expected.js
@@ -8,4 +8,4 @@ const o = {
 class C {
   m() {}
 
-}
\ No newline at end of file
+}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-no-import-specifiers/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-no-import-specifiers/expected.js
index bd40fab745..9869dcd083 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-no-import-specifiers/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-no-import-specifiers/expected.js
@@ -1,2 +1,2 @@
 import "a";
-import "b";
\ No newline at end of file
+import "b";
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react-no-2/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react-no-2/expected.js
index d4abed09de..d436360814 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react-no-2/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react-no-2/expected.js
@@ -1,3 +1,3 @@
 // Don't elide React if a JSX element appears somewhere.
 import * as React from "react";
-<div />;
\ No newline at end of file
+<div />;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react-no/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react-no/expected.js
index a39e9a6dc2..b0cc898bb3 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react-no/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react-no/expected.js
@@ -1,3 +1,3 @@
 // Don't elide React if a JSX element appears somewhere.
 import * as React from "react";
-<div></div>;
\ No newline at end of file
+<div></div>;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react/expected.js
index c4ad81e932..0773757932 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-react/expected.js
@@ -1 +1 @@
-const x = 0;
\ No newline at end of file
+const x = 0;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-typeof/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-typeof/expected.js
index c4ad81e932..0773757932 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-typeof/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-typeof/expected.js
@@ -1 +1 @@
-const x = 0;
\ No newline at end of file
+const x = 0;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-locations/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-locations/expected.js
index d2c8144a99..968c4ba8f5 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-locations/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-locations/expected.js
@@ -3,4 +3,4 @@ import { A } from "m";
 class Class extends A {}
 
 const x = 0;
-const y = 0;
\ No newline at end of file
+const y = 0;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-qualifiedname/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-qualifiedname/expected.js
index c4ad81e932..0773757932 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-qualifiedname/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-qualifiedname/expected.js
@@ -1 +1 @@
-const x = 0;
\ No newline at end of file
+const x = 0;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-rename/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-rename/expected.js
index c4ad81e932..0773757932 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-rename/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-rename/expected.js
@@ -1 +1 @@
-const x = 0;
\ No newline at end of file
+const x = 0;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision/expected.js
index 5a65b6e456..5dbb5a144e 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision/expected.js
@@ -3,4 +3,4 @@ import Used2 from "lib";
 import * as Used3 from "lib";
 const x = Used;
 const y = Used2;
-const z = Used3;
\ No newline at end of file
+const z = Used3;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/type-arguments/call/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/type-arguments/call/expected.js
index f1996bcd70..df92046e92 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/type-arguments/call/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/type-arguments/call/expected.js
@@ -1 +1 @@
-f();
\ No newline at end of file
+f();
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/type-arguments/new/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/type-arguments/new/expected.js
index 2ea584da0d..3aa4ddec9f 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/type-arguments/new/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/type-arguments/new/expected.js
@@ -1 +1 @@
-new C();
\ No newline at end of file
+new C();
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/types-erased/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/types-erased/expected.js
index 2f67412265..6186f71648 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/types-erased/expected.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/types-erased/expected.js
@@ -3,4 +3,4 @@ const [a, b] = 0;
 const {
   x,
   y
-} = 0;
\ No newline at end of file
+} = 0;
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/ios-10/expected.js b/packages/babel-preset-env/test/fixtures/preset-options/ios-10/expected.js
index b7ca4a8586..02d939c57f 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/ios-10/expected.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/ios-10/expected.js
@@ -1 +1 @@
-const a = () => 1;
\ No newline at end of file
+const a = () => 1;
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/ios-6/expected.js b/packages/babel-preset-env/test/fixtures/preset-options/ios-6/expected.js
index bd6332b8ba..c3fee8a175 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/ios-6/expected.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/ios-6/expected.js
@@ -1 +1 @@
-import "core-js";
\ No newline at end of file
+import "core-js";
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/expected.js b/packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/expected.js
index 9128c9a7f2..35d292f43c 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/expected.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/expected.js
@@ -1,3 +1,3 @@
 function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
 
-_typeof(Symbol());
\ No newline at end of file
+_typeof(Symbol());
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/modules-false/expected.js b/packages/babel-preset-env/test/fixtures/preset-options/modules-false/expected.js
index 6705308072..4b992e32e1 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/modules-false/expected.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/modules-false/expected.js
@@ -1 +1 @@
-import a from "a";
\ No newline at end of file
+import a from "a";
diff --git a/packages/babel-preset-env/test/fixtures/sanity/transform-duplicate-keys/expected.js b/packages/babel-preset-env/test/fixtures/sanity/transform-duplicate-keys/expected.js
index f6a8e65dca..c1e50907c1 100644
--- a/packages/babel-preset-env/test/fixtures/sanity/transform-duplicate-keys/expected.js
+++ b/packages/babel-preset-env/test/fixtures/sanity/transform-duplicate-keys/expected.js
@@ -2,4 +2,4 @@ function _defineProperty(obj, key, value) { if (key in obj) { Object.definePrope
 
 var a = _defineProperty({
   b: 1
-}, "b", 2);
\ No newline at end of file
+}, "b", 2);
diff --git a/packages/babel-preset-flow/test/fixtures/flow/strip-with-directive/expected.js b/packages/babel-preset-flow/test/fixtures/flow/strip-with-directive/expected.js
index a828af11ee..88aebda63c 100644
--- a/packages/babel-preset-flow/test/fixtures/flow/strip-with-directive/expected.js
+++ b/packages/babel-preset-flow/test/fixtures/flow/strip-with-directive/expected.js
@@ -1 +1 @@
-function foo(numVal, strVal) {}
\ No newline at end of file
+function foo(numVal, strVal) {}