Remove whitespace generation (#5833)

* Remove whitespace generation and rely on default printing

Changes to printing:
* Add newline after last empty SwitchCase
* Add newlines around block comments if they are non-flow comments or contain newlines

* Fix a few more fixtures

packages/babel-plugin-transform-es2015-classes/test/fixtures/regression/2663/expected.js

@@ -16,7 +16,6 @@ var _binarySerializer = require("./helpers/binary-serializer");
 var _binarySerializer2 = babelHelpers.interopRequireDefault(_binarySerializer);
 
 // import ...
-
 var Connection = function (_EventEmitter) {
   babelHelpers.inherits(Connection, _EventEmitter);
 
@@ -26,9 +25,8 @@ var Connection = function (_EventEmitter) {
     var _this = babelHelpers.possibleConstructorReturn(this, (Connection.__proto__ || Object.getPrototypeOf(Connection)).call(this));
 
     _this.isConnected = false;
-    _this.roomId = roomId;
+    _this.roomId = roomId; // ...
 
-    // ...
     return _this;
   }
 

packages/babel-plugin-transform-es2015-classes/test/fixtures/regression/2775/expected.js

@@ -22,7 +22,9 @@ var RandomComponent = function (_Component) {
     value: function render() {
       return _react2.default.createElement(
         "div",
-        { className: "sui-RandomComponent" },
+        {
+          className: "sui-RandomComponent"
+        },
         _react2.default.createElement(
           "h2",
           null,

packages/babel-plugin-transform-es2015-classes/test/fixtures/regression/3028/expected.js

@@ -19,6 +19,7 @@ var a1 = function (_b) {
     _this.x = function () {
       return _this;
     };
+
     return _this;
   }
 
@@ -36,10 +37,11 @@ var a2 = function (_b2) {
     _this2.x = function () {
       return _this2;
     };
+
     return _this2;
   }
 
   return a2;
 }(b);
 
-exports.default = a2;
+exports.default = a2;

packages/babel-plugin-transform-es2015-classes/test/fixtures/regression/T2997/expected.js

@@ -11,9 +11,8 @@ var B = function (_A) {
     var _this, _ret;
 
     babelHelpers.classCallCheck(this, B);
-
     return _ret = (_this = babelHelpers.possibleConstructorReturn(this, (B.__proto__ || Object.getPrototypeOf(B)).call(this)), _this), babelHelpers.possibleConstructorReturn(_this, _ret);
   }
 
   return B;
-}(A);
+}(A);

packages/babel-plugin-transform-es2015-classes/test/fixtures/regression/T6750/expected.js

@@ -3,6 +3,7 @@
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
+
 function _default() {
   return function () {
     function Select() {
@@ -16,4 +17,5 @@ function _default() {
     return Select;
   }();
 }
-exports.default = _default;
+
+exports.default = _default;

packages/babel-plugin-transform-es2015-classes/test/fixtures/regression/T7010/expected.js

@@ -3,7 +3,6 @@
 var Foo = function () {
   function Foo(val) {
     babelHelpers.classCallCheck(this, Foo);
-
     this._val = val;
   }
 
@@ -24,4 +23,4 @@ var Foo = function () {
     })
   }]);
   return Foo;
-}();
+}();

packages/babel-plugin-transform-es2015-classes/test/fixtures/regression/T7537/expected.js

@@ -21,8 +21,9 @@ var A = function (_B) {
     } else {
       var _this = _possibleConstructorReturn(this, (A.__proto__ || Object.getPrototypeOf(A)).call(this));
     }
+
     return _possibleConstructorReturn(_this);
   }
 
   return A;
-}(B);
+}(B);