diff --git a/index.js b/index.js
index bd1296a2f..8fc86a561 100644
--- a/index.js
+++ b/index.js
@@ -18,9 +18,15 @@ function guessLineEnding(text) {
 }
 
 function parse(text, opts) {
-  const parseFunction = opts.parser === "flow"
-    ? parser.parseWithFlow
-    : parser.parseWithBabylon;
+  let parseFunction;
+
+  if (opts.parser === 'flow') {
+    parseFunction = parser.parseWithFlow;
+  } else if (opts.parser === 'typescript') {
+    parseFunction = parser.parseWithTypeScript;
+  } else {
+    parseFunction = parser.parseWithBabylon;
+  }
 
   try {
     return parseFunction(text);
diff --git a/package.json b/package.json
index c2dbb1c01..af9334c90 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,9 @@
     "rollup-plugin-json": "2.1.0",
     "rollup-plugin-node-builtins": "2.0.0",
     "rollup-plugin-node-globals": "1.1.0",
-    "rollup-plugin-node-resolve": "2.0.0"
+    "rollup-plugin-node-resolve": "2.0.0",
+    "typescript": "2.2.1",
+    "typescript-eslint-parser": "git://github.com/eslint/typescript-eslint-parser.git#215a012ec4d272939fa5a57d0231d22fb7f7a9e0"
   },
   "scripts": {
     "test": "jest",
diff --git a/src/parser.js b/src/parser.js
index 64c730a77..200a1f5e5 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -54,4 +54,17 @@ function parseWithBabylon(text) {
   });
 }
 
-module.exports = { parseWithFlow, parseWithBabylon };
+function parseWithTypeScript(text) {
+    const parser = require('typescript-eslint-parser')
+    return parser.parse(text, {
+        loc: true,
+        range: true,
+        tokens: true,
+        attachComment: true,
+        ecmaFeatures: {
+            jsx: true,
+        }
+    })
+}
+
+module.exports = { parseWithFlow, parseWithBabylon, parseWithTypeScript };
diff --git a/tests/array_spread/__snapshots__/jsfmt.spec.js.snap b/tests/array_spread/__snapshots__/jsfmt.spec.js.snap
index 40037c63f..3ec2ed4d2 100644
--- a/tests/array_spread/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/array_spread/__snapshots__/jsfmt.spec.js.snap
@@ -8,3 +8,12 @@ exports[`multiple.js 1`] = `
 [...a, ...b];
 "
 `;
+
+exports[`multiple.js 2`] = `
+"[...a, ...b,];
+[...a, ...b];
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[...a, ...b];
+[...a, ...b];
+"
+`;
diff --git a/tests/array_spread/jsfmt.spec.js b/tests/array_spread/jsfmt.spec.js
index 989047bcc..e98b84204 100644
--- a/tests/array_spread/jsfmt.spec.js
+++ b/tests/array_spread/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
diff --git a/tests/arrays/__snapshots__/jsfmt.spec.js.snap b/tests/arrays/__snapshots__/jsfmt.spec.js.snap
index a999aea07..5c9618de2 100644
--- a/tests/arrays/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/arrays/__snapshots__/jsfmt.spec.js.snap
@@ -13,6 +13,19 @@ exports[`last.js 1`] = `
 "
 `;
 
+exports[`last.js 2`] = `
+"[,];
+[,,];
+[,,1,];
+[,,1,1];
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[,];
+[, ,];
+[, , 1];
+[, , 1, 1];
+"
+`;
+
 exports[`preserve_empty_lines.js 1`] = `
 "a = [
 
@@ -30,3 +43,21 @@ exports[`preserve_empty_lines.js 1`] = `
 a = [1, 2, 3, 4];
 "
 `;
+
+exports[`preserve_empty_lines.js 2`] = `
+"a = [
+
+  1,
+  2,
+
+  3,
+
+
+  4,
+
+
+]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a = [1, 2, 3, 4];
+"
+`;
diff --git a/tests/arrays/jsfmt.spec.js b/tests/arrays/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/arrays/jsfmt.spec.js
+++ b/tests/arrays/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/assignment_comments/__snapshots__/jsfmt.spec.js.snap b/tests/assignment_comments/__snapshots__/jsfmt.spec.js.snap
index eda7518c9..a876a6ca1 100644
--- a/tests/assignment_comments/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/assignment_comments/__snapshots__/jsfmt.spec.js.snap
@@ -88,3 +88,92 @@ var fnString = // Comment
 var fnString = \\"some\\" + \\"long\\" + \\"string\\"; // Comment
 "
 `;
+
+exports[`assignment_comments.js 2`] = `
+"fnString =
+  // Comment
+  'some' + 'long' + 'string';
+
+var fnString =
+  // Comment
+  'some' + 'long' + 'string';
+
+var fnString =
+  // Comment
+
+  'some' + 'long' + 'string';
+
+var fnString =
+
+  // Comment
+
+  'some' + 'long' + 'string';
+
+var fnString =
+  /* comment */
+  'some' + 'long' + 'string';
+
+var fnString =
+  /**
+   * multi-line
+   */
+  'some' + 'long' + 'string';
+
+var fnString =
+  /* inline */ 'some' + 'long' + 'string' + 'some' + 'long' + 'string' + 'some' + 'long' + 'string' + 'some' + 'long' + 'string';
+
+var fnString = // Comment
+  // Comment
+  'some' + 'long' + 'string';
+
+var fnString = // Comment
+  'some' + 'long' + 'string';
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+fnString =
+  // Comment
+  \\"some\\" + \\"long\\" + \\"string\\";
+
+var fnString =
+  // Comment
+  \\"some\\" + \\"long\\" + \\"string\\";
+
+var fnString =
+  // Comment
+
+  \\"some\\" + \\"long\\" + \\"string\\";
+
+var fnString =
+  // Comment
+
+  \\"some\\" + \\"long\\" + \\"string\\";
+
+var fnString =
+  /* comment */
+  \\"some\\" + \\"long\\" + \\"string\\";
+
+var fnString =
+  /**
+   * multi-line
+   */
+  \\"some\\" + \\"long\\" + \\"string\\";
+
+var fnString = /* inline */ \\"some\\" +
+  \\"long\\" +
+  \\"string\\" +
+  \\"some\\" +
+  \\"long\\" +
+  \\"string\\" +
+  \\"some\\" +
+  \\"long\\" +
+  \\"string\\" +
+  \\"some\\" +
+  \\"long\\" +
+  \\"string\\";
+
+var fnString = // Comment
+  // Comment
+  \\"some\\" + \\"long\\" + \\"string\\";
+
+var fnString = \\"some\\" + \\"long\\" + \\"string\\"; // Comment
+"
+`;
diff --git a/tests/assignment_comments/jsfmt.spec.js b/tests/assignment_comments/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/assignment_comments/jsfmt.spec.js
+++ b/tests/assignment_comments/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/async/__snapshots__/jsfmt.spec.js.snap b/tests/async/__snapshots__/jsfmt.spec.js.snap
index 4ec14ed9e..01749e485 100644
--- a/tests/async/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/async/__snapshots__/jsfmt.spec.js.snap
@@ -29,6 +29,35 @@ async function f() {
 "
 `;
 
+exports[`await_parse.js 2`] = `
+"async function f() { (await f()).length }
+async function g() {
+  invariant(
+    (await driver.navigator.getUrl()).substr(-7)
+  );
+}
+function *f(){
+  !(yield a);
+}
+async function f() {
+  a = !(await f());
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+async function f() {
+  (await f()).length;
+}
+async function g() {
+  invariant((await driver.navigator.getUrl()).substr(-7));
+}
+function* f() {
+  !(yield a);
+}
+async function f() {
+  a = !await f();
+}
+"
+`;
+
 exports[`conditional-expression.js 1`] = `
 "async function f() {
   const result = typeof fn === 'function' ? await fn() : null;
@@ -49,3 +78,24 @@ async function f() {
 })();
 "
 `;
+
+exports[`conditional-expression.js 2`] = `
+"async function f() {
+  const result = typeof fn === 'function' ? await fn() : null;
+}
+
+(async function() {
+  console.log(
+    await (true ? Promise.resolve(\\"A\\") : Promise.resolve(\\"B\\"))
+  );
+})()
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+async function f() {
+  const result = typeof fn === \\"function\\" ? await fn() : null;
+}
+
+(async function() {
+  console.log(await (true ? Promise.resolve(\\"A\\") : Promise.resolve(\\"B\\")));
+})();
+"
+`;
diff --git a/tests/async/jsfmt.spec.js b/tests/async/jsfmt.spec.js
index 989047bcc..e98b84204 100644
--- a/tests/async/jsfmt.spec.js
+++ b/tests/async/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
diff --git a/tests/bracketSpacing/__snapshots__/jsfmt.spec.js.snap b/tests/bracketSpacing/__snapshots__/jsfmt.spec.js.snap
index be1f1b9e5..a5546b251 100644
--- a/tests/bracketSpacing/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/bracketSpacing/__snapshots__/jsfmt.spec.js.snap
@@ -18,6 +18,24 @@ const arr2 = [1, 2, 3, 4];
 "
 `;
 
+exports[`array.js 3`] = `
+"const arr1 = [1,2,3,4];
+const arr2 = [1, 2, 3, 4];
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const arr1 = [1, 2, 3, 4];
+const arr2 = [1, 2, 3, 4];
+"
+`;
+
+exports[`array.js 4`] = `
+"const arr1 = [1,2,3,4];
+const arr2 = [1, 2, 3, 4];
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const arr1 = [1, 2, 3, 4];
+const arr2 = [1, 2, 3, 4];
+"
+`;
+
 exports[`object.js 1`] = `
 "const obj1 = {a:1, b:2, c:3}
 const obj2 = { a:1, b:2, c:3 };
@@ -35,3 +53,21 @@ const obj1 = {a: 1, b: 2, c: 3};
 const obj2 = {a: 1, b: 2, c: 3};
 "
 `;
+
+exports[`object.js 3`] = `
+"const obj1 = {a:1, b:2, c:3}
+const obj2 = { a:1, b:2, c:3 };
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const obj1 = { a: 1, b: 2, c: 3 };
+const obj2 = { a: 1, b: 2, c: 3 };
+"
+`;
+
+exports[`object.js 4`] = `
+"const obj1 = {a:1, b:2, c:3}
+const obj2 = { a:1, b:2, c:3 };
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const obj1 = {a: 1, b: 2, c: 3};
+const obj2 = {a: 1, b: 2, c: 3};
+"
+`;
diff --git a/tests/bracketSpacing/jsfmt.spec.js b/tests/bracketSpacing/jsfmt.spec.js
index 7d17b3723..ee11f0138 100644
--- a/tests/bracketSpacing/jsfmt.spec.js
+++ b/tests/bracketSpacing/jsfmt.spec.js
@@ -1,3 +1,5 @@
 run_spec(__dirname);
-
 run_spec(__dirname, { bracketSpacing: false });
+
+run_spec(__dirname, {parser: 'typescript'});
+run_spec(__dirname, { parser: 'typescript', bracketSpacing: false });
\ No newline at end of file
diff --git a/tests/break-calls/__snapshots__/jsfmt.spec.js.snap b/tests/break-calls/__snapshots__/jsfmt.spec.js.snap
index a8a0bc087..a270452d6 100644
--- a/tests/break-calls/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/break-calls/__snapshots__/jsfmt.spec.js.snap
@@ -79,3 +79,83 @@ expect(
 ).toEqualAtomLongLongLongLongRange(new LongLongLongRange([0, 0], [0, 0]));
 "
 `;
+
+exports[`break.js 2`] = `
+"h(f(g(() => {
+  a
+})))
+
+deepCopyAndAsyncMapLeavesA(
+  { source: sourceValue, destination: destination[sourceKey] },
+  { valueMapper, overwriteExistingKeys }
+)
+
+deepCopyAndAsyncMapLeavesB(
+  1337,
+  { source: sourceValue, destination: destination[sourceKey] },
+  { valueMapper, overwriteExistingKeys }
+)
+
+deepCopyAndAsyncMapLeavesC(
+  { source: sourceValue, destination: destination[sourceKey] },
+  1337,
+  { valueMapper, overwriteExistingKeys }
+)
+
+function someFunction(url) {
+  return get(url)
+    .then(
+      json => dispatch(success(json)),
+      error => dispatch(failed(error))
+    );
+}
+
+const mapChargeItems = fp.flow(
+  l => l < 10 ? l: 1,
+  l => Immutable.Range(l).toMap()
+);
+
+expect(new LongLongLongLongLongRange([0, 0], [0, 0])).toEqualAtomLongLongLongLongRange(new LongLongLongRange([0, 0], [0, 0]));
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+h(
+  f(
+    g(() => {
+      a;
+    })
+  )
+);
+
+deepCopyAndAsyncMapLeavesA(
+  { source: sourceValue, destination: destination[sourceKey] },
+  { valueMapper, overwriteExistingKeys }
+);
+
+deepCopyAndAsyncMapLeavesB(
+  1337,
+  { source: sourceValue, destination: destination[sourceKey] },
+  { valueMapper, overwriteExistingKeys }
+);
+
+deepCopyAndAsyncMapLeavesC(
+  { source: sourceValue, destination: destination[sourceKey] },
+  1337,
+  { valueMapper, overwriteExistingKeys }
+);
+
+function someFunction(url) {
+  return get(url).then(
+    json => dispatch(success(json)),
+    error => dispatch(failed(error))
+  );
+}
+
+const mapChargeItems = fp.flow(
+  l => l < 10 ? l : 1,
+  l => Immutable.Range(l).toMap()
+);
+
+expect(
+  new LongLongLongLongLongRange([0, 0], [0, 0])
+).toEqualAtomLongLongLongLongRange(new LongLongLongRange([0, 0], [0, 0]));
+"
+`;
diff --git a/tests/break-calls/jsfmt.spec.js b/tests/break-calls/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/break-calls/jsfmt.spec.js
+++ b/tests/break-calls/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/class_comment/__snapshots__/jsfmt.spec.js.snap b/tests/class_comment/__snapshots__/jsfmt.spec.js.snap
index 0fb2c394f..1ba9b5e19 100644
--- a/tests/class_comment/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/class_comment/__snapshots__/jsfmt.spec.js.snap
@@ -56,3 +56,60 @@ class A extends /* a */ B {}
 (class A extends /* a */ B {});
 "
 `;
+
+exports[`comments.js 2`] = `
+"class A // comment 1
+  // comment 2
+  extends B {}
+
+class A extends B // comment1
+// comment2
+// comment3
+{}
+
+class A /* a */ extends B {}
+class A extends B /* a */ {}
+class A extends /* a */ B {}
+
+(class A // comment 1
+  // comment 2
+  extends B {});
+
+(class A extends B // comment1
+// comment2
+// comment3
+{});
+
+(class A /* a */ extends B {});
+(class A extends B /* a */ {});
+(class A extends /* a */ B {});
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// comment 1
+// comment 2
+class A extends B {}
+
+// comment1
+// comment2
+// comment3
+class A extends B {}
+
+class A /* a */ extends B {}
+class A extends B /* a */ {
+}
+class A extends /* a */ B {}
+
+// comment 1
+// comment 2
+(class A extends B {});
+
+// comment1
+// comment2
+// comment3
+(class A extends B {});
+
+(class A /* a */ extends B {});
+(class A extends B /* a */ {
+});
+(class A extends /* a */ B {});
+"
+`;
diff --git a/tests/class_comment/jsfmt.spec.js b/tests/class_comment/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/class_comment/jsfmt.spec.js
+++ b/tests/class_comment/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/class_extends/__snapshots__/jsfmt.spec.js.snap b/tests/class_extends/__snapshots__/jsfmt.spec.js.snap
index 5e48be6d2..5713ceea5 100644
--- a/tests/class_extends/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/class_extends/__snapshots__/jsfmt.spec.js.snap
@@ -118,3 +118,122 @@ function* f() {
 x = class extends (++b) {};
 "
 `;
+
+exports[`extends.js 2`] = `
+"// \\"ArrowFunctionExpression\\"
+class a extends (() => {}) {}
+
+// \\"AssignmentExpression\\"
+class a extends (b = c) {}
+
+// \\"AwaitExpression\\"
+async function f() {
+  class a extends (await b) {}
+}
+
+// \\"BinaryExpression\\"
+class a extends (b + c) {}
+
+// \\"CallExpression\\"
+class a extends b() {}
+
+// \\"ClassExpression\\"
+class a extends class {} {}
+
+// \\"ConditionalExpression\\"
+class a extends (b ? c : d) {}
+
+// \\"FunctionExpression\\"
+class a extends (function() {}) {}
+
+// \\"LogicalExpression\\"
+class a extends (b || c) {}
+
+// \\"MemberExpression\\"
+class a extends b.c {}
+
+// \\"NewExpression\\"
+class a extends (new B()) {}
+
+// \\"ObjectExpression\\"
+class a extends ({}) {}
+
+// \\"SequenceExpression\\"
+class a extends (b, c) {}
+
+// \\"TaggedTemplateExpression\\"
+class a extends \`\` {}
+
+// \\"UnaryExpression\\"
+class a extends (void b) {}
+
+// \\"UpdateExpression\\"
+class a extends (++b) {}
+
+// \\"YieldExpression\\"
+function* f() {
+  // Flow has a bug parsing it.
+  // class a extends (yield 1) {}
+}
+
+x = class extends (++b) {}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// \\"ArrowFunctionExpression\\"
+class a extends (() => {}) {}
+
+// \\"AssignmentExpression\\"
+class a extends (b = c) {}
+
+// \\"AwaitExpression\\"
+async function f() {
+  class a extends (await b) {}
+}
+
+// \\"BinaryExpression\\"
+class a extends (b + c) {}
+
+// \\"CallExpression\\"
+class a extends b() {}
+
+// \\"ClassExpression\\"
+class a extends class {} {}
+
+// \\"ConditionalExpression\\"
+class a extends (b ? c : d) {}
+
+// \\"FunctionExpression\\"
+class a extends function() {} {}
+
+// \\"LogicalExpression\\"
+class a extends (b || c) {}
+
+// \\"MemberExpression\\"
+class a extends b.c {}
+
+// \\"NewExpression\\"
+class a extends (new B()) {}
+
+// \\"ObjectExpression\\"
+class a extends ({}) {}
+
+// \\"SequenceExpression\\"
+class a extends (b, c) {}
+
+// \\"TaggedTemplateExpression\\"
+class a extends \`\` {}
+
+// \\"UnaryExpression\\"
+class a extends (void b) {}
+
+// \\"UpdateExpression\\"
+class a extends (++b) {}
+
+// \\"YieldExpression\\"
+function* f() {
+  // Flow has a bug parsing it.
+  // class a extends (yield 1) {}
+}
+
+x = class extends (++b) {};
+"
+`;
diff --git a/tests/class_extends/jsfmt.spec.js b/tests/class_extends/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/class_extends/jsfmt.spec.js
+++ b/tests/class_extends/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/computed_props/__snapshots__/jsfmt.spec.js.snap b/tests/computed_props/__snapshots__/jsfmt.spec.js.snap
index fafd502e9..ee18c93da 100644
--- a/tests/computed_props/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/computed_props/__snapshots__/jsfmt.spec.js.snap
@@ -10,3 +10,14 @@ class c {
 }
 "
 `;
+
+exports[`classes.js 2`] = `
+"class c {
+  [\\"i\\"]() {}
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class c {
+  [\\"i\\"]() {}
+}
+"
+`;
diff --git a/tests/computed_props/jsfmt.spec.js b/tests/computed_props/jsfmt.spec.js
index 989047bcc..e98b84204 100644
--- a/tests/computed_props/jsfmt.spec.js
+++ b/tests/computed_props/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
diff --git a/tests/conditional/__snapshots__/jsfmt.spec.js.snap b/tests/conditional/__snapshots__/jsfmt.spec.js.snap
index bce41884e..4bebfd114 100644
--- a/tests/conditional/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/conditional/__snapshots__/jsfmt.spec.js.snap
@@ -79,6 +79,85 @@ const { configureStore } = process.env.NODE_ENV === \\"production\\"
 "
 `;
 
+exports[`comments.js 2`] = `
+"var inspect = 4 === util.inspect.length
+  ? // node <= 0.8.x
+    (function(v, colors) {
+      return util.inspect(v, void 0, void 0, colors);
+    })
+  : // node > 0.8.x
+    (function(v, colors) {
+      return util.inspect(v, { colors: colors });
+    });
+
+var inspect = 4 === util.inspect.length
+  ? // node <= 0.8.x
+    (function(v, colors) {
+      return util.inspect(v, void 0, void 0, colors);
+    })
+  : // node > 0.8.x
+    (function(v, colors) {
+      return util.inspect(v, { colors: colors });
+    });
+
+const extractTextPluginOptions = shouldUseRelativeAssetPaths
+  // Making sure that the publicPath goes back to to build folder.
+  ? { publicPath: Array(cssFilename.split('/').length).join('../') } :
+  {};
+
+const extractTextPluginOptions = shouldUseRelativeAssetPaths
+  ? // Making sure that the publicPath goes back to to build folder.
+    { publicPath: Array(cssFilename.split(\\"/\\").length).join(\\"../\\") }
+  : {};
+
+const extractTextPluginOptions = shouldUseRelativeAssetPaths // Making sure that the publicPath goes back to to build folder.
+  ? { publicPath: Array(cssFilename.split(\\"/\\").length).join(\\"../\\") }
+  : {};
+
+const { configureStore } = process.env.NODE_ENV === \\"production\\"
+  ? require(\\"./configureProdStore\\") // a
+  : require(\\"./configureDevStore\\"); // b
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+var inspect = 4 === util.inspect.length
+  ? // node <= 0.8.x
+    function(v, colors) {
+      return util.inspect(v, void 0, void 0, colors);
+    }
+  : // node > 0.8.x
+    function(v, colors) {
+      return util.inspect(v, { colors: colors });
+    };
+
+var inspect = 4 === util.inspect.length
+  ? // node <= 0.8.x
+    function(v, colors) {
+      return util.inspect(v, void 0, void 0, colors);
+    }
+  : // node > 0.8.x
+    function(v, colors) {
+      return util.inspect(v, { colors: colors });
+    };
+
+const extractTextPluginOptions = shouldUseRelativeAssetPaths
+  ? // Making sure that the publicPath goes back to to build folder.
+    { publicPath: Array(cssFilename.split(\\"/\\").length).join(\\"../\\") }
+  : {};
+
+const extractTextPluginOptions = shouldUseRelativeAssetPaths
+  ? // Making sure that the publicPath goes back to to build folder.
+    { publicPath: Array(cssFilename.split(\\"/\\").length).join(\\"../\\") }
+  : {};
+
+const extractTextPluginOptions = shouldUseRelativeAssetPaths // Making sure that the publicPath goes back to to build folder.
+  ? { publicPath: Array(cssFilename.split(\\"/\\").length).join(\\"../\\") }
+  : {};
+
+const { configureStore } = process.env.NODE_ENV === \\"production\\"
+  ? require(\\"./configureProdStore\\") // a
+  : require(\\"./configureDevStore\\"); // b
+"
+`;
+
 exports[`new-expression.js 1`] = `
 "const testConsole = new TestConsole(
   config.useStderr ? process.stderr : process.stdout
@@ -89,3 +168,14 @@ const testConsole = new TestConsole(
 );
 "
 `;
+
+exports[`new-expression.js 2`] = `
+"const testConsole = new TestConsole(
+  config.useStderr ? process.stderr : process.stdout
+);
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const testConsole = new TestConsole(
+  config.useStderr ? process.stderr : process.stdout
+);
+"
+`;
diff --git a/tests/conditional/jsfmt.spec.js b/tests/conditional/jsfmt.spec.js
index 989047bcc..e98b84204 100644
--- a/tests/conditional/jsfmt.spec.js
+++ b/tests/conditional/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
diff --git a/tests/directives/__snapshots__/jsfmt.spec.js.snap b/tests/directives/__snapshots__/jsfmt.spec.js.snap
index a64602510..3a93b3aa9 100644
--- a/tests/directives/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/directives/__snapshots__/jsfmt.spec.js.snap
@@ -12,6 +12,12 @@ exports[`last-line-0.js 2`] = `
 "
 `;
 
+exports[`last-line-0.js 3`] = `
+"'use strict';~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+\\"use strict\\";
+"
+`;
+
 exports[`last-line-1.js 1`] = `
 "'use strict';
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -26,6 +32,13 @@ exports[`last-line-1.js 2`] = `
 "
 `;
 
+exports[`last-line-1.js 3`] = `
+"'use strict';
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+\\"use strict\\";
+"
+`;
+
 exports[`last-line-2.js 1`] = `
 "'use strict';
 
@@ -42,6 +55,14 @@ exports[`last-line-2.js 2`] = `
 "
 `;
 
+exports[`last-line-2.js 3`] = `
+"'use strict';
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+\\"use strict\\";
+"
+`;
+
 exports[`newline.js 1`] = `
 "/* @flow */
 
@@ -80,6 +101,25 @@ a();
 "
 `;
 
+exports[`newline.js 3`] = `
+"/* @flow */
+
+\\"use strict\\";
+
+import a from \\"a\\";
+
+a();
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+/* @flow */
+
+\\"use strict\\";
+
+import a from \\"a\\";
+
+a();
+"
+`;
+
 exports[`no-newline.js 1`] = `
 "\\"use strict\\";
 a
@@ -98,6 +138,15 @@ a;
 "
 `;
 
+exports[`no-newline.js 3`] = `
+"\\"use strict\\";
+a
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+\\"use strict\\";
+a;
+"
+`;
+
 exports[`test.js 1`] = `
 "\\"use strict\\";
 
@@ -127,3 +176,18 @@ function fn() {
 }
 "
 `;
+
+exports[`test.js 3`] = `
+"\\"use strict\\";
+
+function fn() {
+  \\"use strict\\";
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+\\"use strict\\";
+
+function fn() {
+  \\"use strict\\";
+}
+"
+`;
diff --git a/tests/directives/jsfmt.spec.js b/tests/directives/jsfmt.spec.js
index d5ec770a9..d6e0ca05a 100644
--- a/tests/directives/jsfmt.spec.js
+++ b/tests/directives/jsfmt.spec.js
@@ -1,2 +1,3 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
 run_spec(__dirname, {parser: 'babylon'});
diff --git a/tests/empty_statement/__snapshots__/jsfmt.spec.js.snap b/tests/empty_statement/__snapshots__/jsfmt.spec.js.snap
index 42e607bca..4e237c71b 100644
--- a/tests/empty_statement/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/empty_statement/__snapshots__/jsfmt.spec.js.snap
@@ -21,3 +21,25 @@ do;
 while (1);
 "
 `;
+
+exports[`body.js 2`] = `
+"with (a);
+if (1); else if (2); else;
+for (;;);
+while (1);
+for (var i in o);
+for (var i of o);
+do; while(1);
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+with (a);
+if (1);
+else if (2);
+else;
+for (;;);
+while (1);
+for (var i in o);
+for (var i of o);
+do;
+while (1);
+"
+`;
diff --git a/tests/empty_statement/jsfmt.spec.js b/tests/empty_statement/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/empty_statement/jsfmt.spec.js
+++ b/tests/empty_statement/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/export/__snapshots__/jsfmt.spec.js.snap b/tests/export/__snapshots__/jsfmt.spec.js.snap
index 560bd6874..3b651180e 100644
--- a/tests/export/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/export/__snapshots__/jsfmt.spec.js.snap
@@ -54,6 +54,60 @@ export {fitsIn, oneLine};
 "
 `;
 
+exports[`bracket.js 3`] = `
+"export {
+  runTaskForChanged,
+  description,
+  someOtherLabel,
+  thatMakes,
+  itGo,
+  multiLine,
+  andMore,
+  soWeCanGetItTo80Columns
+};
+export {fitsIn, oneLine};
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+export {
+  runTaskForChanged,
+  description,
+  someOtherLabel,
+  thatMakes,
+  itGo,
+  multiLine,
+  andMore,
+  soWeCanGetItTo80Columns
+};
+export { fitsIn, oneLine };
+"
+`;
+
+exports[`bracket.js 4`] = `
+"export {
+  runTaskForChanged,
+  description,
+  someOtherLabel,
+  thatMakes,
+  itGo,
+  multiLine,
+  andMore,
+  soWeCanGetItTo80Columns
+};
+export {fitsIn, oneLine};
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+export {
+  runTaskForChanged,
+  description,
+  someOtherLabel,
+  thatMakes,
+  itGo,
+  multiLine,
+  andMore,
+  soWeCanGetItTo80Columns
+};
+export {fitsIn, oneLine};
+"
+`;
+
 exports[`empty.js 1`] = `
 "export {};
 export {} from \\".\\";
@@ -71,3 +125,21 @@ export {};
 export {} from \\".\\";
 "
 `;
+
+exports[`empty.js 3`] = `
+"export {};
+export {} from \\".\\";
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+export {};
+export {} from \\".\\";
+"
+`;
+
+exports[`empty.js 4`] = `
+"export {};
+export {} from \\".\\";
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+export {};
+export {} from \\".\\";
+"
+`;
diff --git a/tests/export/jsfmt.spec.js b/tests/export/jsfmt.spec.js
index 7e2f65bc9..6bf31d0c1 100644
--- a/tests/export/jsfmt.spec.js
+++ b/tests/export/jsfmt.spec.js
@@ -1,2 +1,5 @@
 run_spec(__dirname);
 run_spec(__dirname, {bracketSpacing: false});
+
+run_spec(__dirname, {parser: 'typescript'});
+run_spec(__dirname, {parser: 'typescript', bracketSpacing: false});
\ No newline at end of file
diff --git a/tests/export_default/__snapshots__/jsfmt.spec.js.snap b/tests/export_default/__snapshots__/jsfmt.spec.js.snap
index 27dbfe849..d54eaf6dc 100644
--- a/tests/export_default/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/export_default/__snapshots__/jsfmt.spec.js.snap
@@ -6,3 +6,10 @@ exports[`body.js 1`] = `
 export default (class {}[1] = 1);
 "
 `;
+
+exports[`body.js 2`] = `
+"export default (class {}[1] = 1);
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+export default (class {}[1] = 1);
+"
+`;
diff --git a/tests/export_default/jsfmt.spec.js b/tests/export_default/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/export_default/jsfmt.spec.js
+++ b/tests/export_default/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/exports/__snapshots__/jsfmt.spec.js.snap b/tests/exports/__snapshots__/jsfmt.spec.js.snap
index 5f7830c60..d5339089b 100644
--- a/tests/exports/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/exports/__snapshots__/jsfmt.spec.js.snap
@@ -12,3 +12,16 @@ export {
 } from \\"exports\\";
 "
 `;
+
+exports[`test.js 2`] = `
+"export { value1, value2 as value2_renamed, value3, value4 as value4_renamed, value5 } from \\"exports\\";
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+export {
+  value1,
+  value2 as value2_renamed,
+  value3,
+  value4 as value4_renamed,
+  value5
+} from \\"exports\\";
+"
+`;
diff --git a/tests/exports/jsfmt.spec.js b/tests/exports/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/exports/jsfmt.spec.js
+++ b/tests/exports/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/for/__snapshots__/jsfmt.spec.js.snap b/tests/for/__snapshots__/jsfmt.spec.js.snap
index 50d9ae1a9..dc9e4f96d 100644
--- a/tests/for/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/for/__snapshots__/jsfmt.spec.js.snap
@@ -11,6 +11,17 @@ for (var i = 0; i < 10; ++i) {
 "
 `;
 
+exports[`for.js 2`] = `
+"for (;;) {}
+for (var i = 0; i < 10; ++i) {}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+for (;;) {
+}
+for (var i = 0; i < 10; ++i) {
+}
+"
+`;
+
 exports[`in.js 1`] = `
 "for ((x in a);;) {}
 for (a=(a in b);;) {}
@@ -22,6 +33,17 @@ for (a = (a in b); ; ) {
 "
 `;
 
+exports[`in.js 2`] = `
+"for ((x in a);;) {}
+for (a=(a in b);;) {}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+for ((x in a); ; ) {
+}
+for (a = (a in b); ; ) {
+}
+"
+`;
+
 exports[`var.js 1`] = `
 "for (a in b) var c = {}; [];
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -30,3 +52,12 @@ for (a in b)
 [];
 "
 `;
+
+exports[`var.js 2`] = `
+"for (a in b) var c = {}; [];
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+for (a in b)
+  var c = {};
+[];
+"
+`;
diff --git a/tests/for/jsfmt.spec.js b/tests/for/jsfmt.spec.js
index 989047bcc..e98b84204 100644
--- a/tests/for/jsfmt.spec.js
+++ b/tests/for/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
diff --git a/tests/function/__snapshots__/jsfmt.spec.js.snap b/tests/function/__snapshots__/jsfmt.spec.js.snap
index 7c5a63a4f..e5d39150b 100644
--- a/tests/function/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/function/__snapshots__/jsfmt.spec.js.snap
@@ -26,3 +26,30 @@ a + function() {};
 new function() {}();
 "
 `;
+
+exports[`function_expression.js 2`] = `
+"(function() {}).length
+typeof (function() {});
+export default (function() {})();
+(function() {})()\`\`;
+(function() {})\`\`;
+new (function() {});
+(function() {});
+a = function f() {} || b;
+(function() {} && a);
+a + function() {};
+new function() {};
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+(function() {}.length);
+typeof function() {};
+export default (function() {})();
+(function() {})()\`\`;
+(function() {})\`\`;
+new function() {}();
+(function() {});
+a = function f() {} || b;
+(function() {} && a);
+a + function() {};
+new function() {}();
+"
+`;
diff --git a/tests/function/jsfmt.spec.js b/tests/function/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/function/jsfmt.spec.js
+++ b/tests/function/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/if_comments/__snapshots__/jsfmt.spec.js.snap b/tests/if_comments/__snapshots__/jsfmt.spec.js.snap
index 96e8c1407..93274c62a 100644
--- a/tests/if_comments/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/if_comments/__snapshots__/jsfmt.spec.js.snap
@@ -73,3 +73,77 @@ async function f() {
 }
 "
 `;
+
+exports[`if_comments.js 2`] = `
+"async function f() {
+  if (untrackedChoice === 0) /* Cancel */ {
+    return null;
+  } else if (untrackedChoice === 1) /* Add */ {
+    await repository.addAll(Array.from(untrackedChanges.keys()));
+    shouldAmend = true;
+  } else if (untrackedChoice === 2) /* Allow Untracked */ {
+    allowUntracked = true;
+  }
+}
+
+async function f() {
+  if (untrackedChoice === 0)
+    /* Cancel */ {
+      return null;
+    }
+  else if (untrackedChoice === 1)
+    /* Add */ {
+      await repository.addAll(Array.from(untrackedChanges.keys()));
+      shouldAmend = true;
+    }
+  else if (untrackedChoice === 2)
+    /* Allow Untracked */ {
+      allowUntracked = true;
+    }
+}
+
+async function f() {
+  if (untrackedChoice === 0) {
+    /* Cancel */ return null;
+  } else if (untrackedChoice === 1) {
+    /* Add */ await repository.addAll(Array.from(untrackedChanges.keys()));
+    shouldAmend = true;
+  } else if (untrackedChoice === 2) {
+    /* Allow Untracked */ allowUntracked = true;
+  }
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+async function f() {
+  if (untrackedChoice === 0) {
+    /* Cancel */ return null;
+  } else if (untrackedChoice === 1) {
+    /* Add */ await repository.addAll(Array.from(untrackedChanges.keys()));
+    shouldAmend = true;
+  } else if (untrackedChoice === 2) {
+    /* Allow Untracked */ allowUntracked = true;
+  }
+}
+
+async function f() {
+  if (untrackedChoice === 0) {
+    /* Cancel */ return null;
+  } else if (untrackedChoice === 1) {
+    /* Add */ await repository.addAll(Array.from(untrackedChanges.keys()));
+    shouldAmend = true;
+  } else if (untrackedChoice === 2) {
+    /* Allow Untracked */ allowUntracked = true;
+  }
+}
+
+async function f() {
+  if (untrackedChoice === 0) {
+    /* Cancel */ return null;
+  } else if (untrackedChoice === 1) {
+    /* Add */ await repository.addAll(Array.from(untrackedChanges.keys()));
+    shouldAmend = true;
+  } else if (untrackedChoice === 2) {
+    /* Allow Untracked */ allowUntracked = true;
+  }
+}
+"
+`;
diff --git a/tests/if_comments/jsfmt.spec.js b/tests/if_comments/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/if_comments/jsfmt.spec.js
+++ b/tests/if_comments/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/import/__snapshots__/jsfmt.spec.js.snap b/tests/import/__snapshots__/jsfmt.spec.js.snap
index 7adcfa0a6..25ae675a3 100644
--- a/tests/import/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/import/__snapshots__/jsfmt.spec.js.snap
@@ -54,6 +54,60 @@ import {fitsIn, oneLine} from \\".\\";
 "
 `;
 
+exports[`brackets.js 3`] = `
+"import {
+  runTaskForChanged,
+  description,
+  someOtherLabel,
+  thatMakes,
+  itGo,
+  multiLine,
+  andMore,
+  soWeCanGetItTo80Columns
+} from '.';
+import {fitsIn, oneLine} from '.';
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+import {
+  runTaskForChanged,
+  description,
+  someOtherLabel,
+  thatMakes,
+  itGo,
+  multiLine,
+  andMore,
+  soWeCanGetItTo80Columns
+} from \\".\\";
+import { fitsIn, oneLine } from \\".\\";
+"
+`;
+
+exports[`brackets.js 4`] = `
+"import {
+  runTaskForChanged,
+  description,
+  someOtherLabel,
+  thatMakes,
+  itGo,
+  multiLine,
+  andMore,
+  soWeCanGetItTo80Columns
+} from '.';
+import {fitsIn, oneLine} from '.';
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+import {
+  runTaskForChanged,
+  description,
+  someOtherLabel,
+  thatMakes,
+  itGo,
+  multiLine,
+  andMore,
+  soWeCanGetItTo80Columns
+} from \\".\\";
+import {fitsIn, oneLine} from \\".\\";
+"
+`;
+
 exports[`comments.js 1`] = `
 "import { a //comment1
 //comment2
@@ -156,6 +210,108 @@ import {
 "
 `;
 
+exports[`comments.js 3`] = `
+"import { a //comment1
+//comment2
+//comment3
+as b} from \\"\\";
+
+import {
+  a as //comment1
+  //comment2
+  //comment3
+  b
+} from \\"\\";
+
+import {
+  a as //comment2 //comment1
+  //comment3
+  b
+} from \\"\\";
+
+import {
+  a as //comment3 //comment2 //comment1
+  b
+} from \\"\\";
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+import {
+  //comment1
+  //comment2
+  //comment3
+  a as b
+} from \\"\\";
+
+import {
+  //comment1
+  //comment2
+  //comment3
+  a as b
+} from \\"\\";
+
+import {
+  //comment2 //comment1
+  //comment3
+  a as b
+} from \\"\\";
+
+import {
+  //comment3 //comment2 //comment1
+  a as b
+} from \\"\\";
+"
+`;
+
+exports[`comments.js 4`] = `
+"import { a //comment1
+//comment2
+//comment3
+as b} from \\"\\";
+
+import {
+  a as //comment1
+  //comment2
+  //comment3
+  b
+} from \\"\\";
+
+import {
+  a as //comment2 //comment1
+  //comment3
+  b
+} from \\"\\";
+
+import {
+  a as //comment3 //comment2 //comment1
+  b
+} from \\"\\";
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+import {
+  //comment1
+  //comment2
+  //comment3
+  a as b
+} from \\"\\";
+
+import {
+  //comment1
+  //comment2
+  //comment3
+  a as b
+} from \\"\\";
+
+import {
+  //comment2 //comment1
+  //comment3
+  a as b
+} from \\"\\";
+
+import {
+  //comment3 //comment2 //comment1
+  a as b
+} from \\"\\";
+"
+`;
+
 exports[`long-line.js 1`] = `
 "import someCoolUtilWithARatherLongName from '../../../../utils/someCoolUtilWithARatherLongName';
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -172,6 +328,22 @@ import someCoolUtilWithARatherLongName
 "
 `;
 
+exports[`long-line.js 3`] = `
+"import someCoolUtilWithARatherLongName from '../../../../utils/someCoolUtilWithARatherLongName';
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+import someCoolUtilWithARatherLongName
+  from \\"../../../../utils/someCoolUtilWithARatherLongName\\";
+"
+`;
+
+exports[`long-line.js 4`] = `
+"import someCoolUtilWithARatherLongName from '../../../../utils/someCoolUtilWithARatherLongName';
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+import someCoolUtilWithARatherLongName
+  from \\"../../../../utils/someCoolUtilWithARatherLongName\\";
+"
+`;
+
 exports[`multiple_standalones.js 1`] = `
 "import a, * as b from 'a';
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -185,3 +357,17 @@ exports[`multiple_standalones.js 2`] = `
 import a, * as b from \\"a\\";
 "
 `;
+
+exports[`multiple_standalones.js 3`] = `
+"import a, * as b from 'a';
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+import a, * as b from \\"a\\";
+"
+`;
+
+exports[`multiple_standalones.js 4`] = `
+"import a, * as b from 'a';
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+import a, * as b from \\"a\\";
+"
+`;
diff --git a/tests/import/jsfmt.spec.js b/tests/import/jsfmt.spec.js
index 7e2f65bc9..3dc54d59d 100644
--- a/tests/import/jsfmt.spec.js
+++ b/tests/import/jsfmt.spec.js
@@ -1,2 +1,5 @@
 run_spec(__dirname);
 run_spec(__dirname, {bracketSpacing: false});
+
+run_spec(__dirname, {parser: 'typescript'});
+run_spec(__dirname, {parser: 'typescript', bracketSpacing: false});
diff --git a/tests/it/__snapshots__/jsfmt.spec.js.snap b/tests/it/__snapshots__/jsfmt.spec.js.snap
index 512642246..8baf615e3 100644
--- a/tests/it/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/it/__snapshots__/jsfmt.spec.js.snap
@@ -128,3 +128,132 @@ it.only.only(
 );
 "
 `;
+
+exports[`it.js 2`] = `
+"// Shouldn't break
+
+it(\\"does something really long and complicated so I have to write a very long name for the test\\", () => {
+  console.log(\\"hello!\\");
+});
+
+it(\\"does something really long and complicated so I have to write a very long name for the test\\", function() {
+  console.log(\\"hello!\\");
+});
+
+it(\`does something really long and complicated so I have to write a very long name for the test\`, function() {
+  console.log(\\"hello!\\");
+});
+
+it(\`{foo + bar} does something really long and complicated so I have to write a very long name for the test\`, function() {
+  console.log(\\"hello!\\");
+});
+
+it(\`handles
+  some
+    newlines
+  does something really long and complicated so I have to write a very long name for the test\`, () => {
+  console.log(\\"hello!\\");
+})
+
+test(\\"does something really long and complicated so I have to write a very long name for the test\\", (done) => {
+  console.log(\\"hello!\\");
+});
+
+test(\`does something really long and complicated so I have to write a very long name for the test\`, (done) => {
+  console.log(\\"hello!\\");
+});
+
+// Should break
+
+it.only(\\"does something really long and complicated so I have to write a very long name for the test\\", () => {
+  console.log(\\"hello!\\");
+});
+
+it.only(\`does something really long and complicated so I have to write a very long name for the test\`, () => {
+  console.log(\\"hello!\\");
+});
+
+it.only(\\"does something really long and complicated so I have to write a very long name for the test\\", 10, () => {
+  console.log(\\"hello!\\");
+});
+
+it.only.only(\\"does something really long and complicated so I have to write a very long name for the test\\", () => {
+  console.log(\\"hello!\\");
+});
+
+it.only.only(\\"does something really long and complicated so I have to write a very long name for the test\\", (a, b, c) => {
+  console.log(\\"hello!\\");
+});
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Shouldn't break
+
+it(\\"does something really long and complicated so I have to write a very long name for the test\\", () => {
+  console.log(\\"hello!\\");
+});
+
+it(\\"does something really long and complicated so I have to write a very long name for the test\\", function() {
+  console.log(\\"hello!\\");
+});
+
+it(\`does something really long and complicated so I have to write a very long name for the test\`, function() {
+  console.log(\\"hello!\\");
+});
+
+it(\`{foo + bar} does something really long and complicated so I have to write a very long name for the test\`, function() {
+  console.log(\\"hello!\\");
+});
+
+it(\`handles
+  some
+    newlines
+  does something really long and complicated so I have to write a very long name for the test\`, () => {
+  console.log(\\"hello!\\");
+});
+
+test(\\"does something really long and complicated so I have to write a very long name for the test\\", done => {
+  console.log(\\"hello!\\");
+});
+
+test(\`does something really long and complicated so I have to write a very long name for the test\`, done => {
+  console.log(\\"hello!\\");
+});
+
+// Should break
+
+it.only(
+  \\"does something really long and complicated so I have to write a very long name for the test\\",
+  () => {
+    console.log(\\"hello!\\");
+  }
+);
+
+it.only(
+  \`does something really long and complicated so I have to write a very long name for the test\`,
+  () => {
+    console.log(\\"hello!\\");
+  }
+);
+
+it.only(
+  \\"does something really long and complicated so I have to write a very long name for the test\\",
+  10,
+  () => {
+    console.log(\\"hello!\\");
+  }
+);
+
+it.only.only(
+  \\"does something really long and complicated so I have to write a very long name for the test\\",
+  () => {
+    console.log(\\"hello!\\");
+  }
+);
+
+it.only.only(
+  \\"does something really long and complicated so I have to write a very long name for the test\\",
+  (a, b, c) => {
+    console.log(\\"hello!\\");
+  }
+);
+"
+`;
diff --git a/tests/it/jsfmt.spec.js b/tests/it/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/it/jsfmt.spec.js
+++ b/tests/it/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/jsx-multiline-assign/__snapshots__/jsfmt.spec.js.snap b/tests/jsx-multiline-assign/__snapshots__/jsfmt.spec.js.snap
index 081bf0d14..f3c81c431 100644
--- a/tests/jsx-multiline-assign/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/jsx-multiline-assign/__snapshots__/jsfmt.spec.js.snap
@@ -52,3 +52,56 @@ const comp4 = (
 const comp5 = <div>Keep it on one line.</div>;
 "
 `;
+
+exports[`test.js 2`] = `
+"const comp1 = (
+  <div style={styles} key=\\"something\\">
+    Keep the wrapping parens.
+  </div>
+);
+
+const comp2 = <div style={styles} key=\\"something\\">
+  Create wrapping parens.
+</div>;
+
+comp2A = <div style={styles} key=\\"something\\">
+  Create wrapping parens.
+</div>;
+
+const comp3 = <div style={styles} key=\\"something\\">Bump to next line without parens</div>;
+
+const comp4 = <div style={styles} key=\\"something\\">Create wrapping parens and indent <strong>all the things</strong>.</div>;
+
+const comp5 = <div>Keep it on one line.</div>;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const comp1 = (
+  <div style={styles} key=\\"something\\">
+    Keep the wrapping parens.
+  </div>
+);
+
+const comp2 = (
+  <div style={styles} key=\\"something\\">
+    Create wrapping parens.
+  </div>
+);
+
+comp2A = (
+  <div style={styles} key=\\"something\\">
+    Create wrapping parens.
+  </div>
+);
+
+const comp3 = (
+  <div style={styles} key=\\"something\\">Bump to next line without parens</div>
+);
+
+const comp4 = (
+  <div style={styles} key=\\"something\\">
+    Create wrapping parens and indent <strong>all the things</strong>.
+  </div>
+);
+
+const comp5 = <div>Keep it on one line.</div>;
+"
+`;
diff --git a/tests/jsx-multiline-assign/jsfmt.spec.js b/tests/jsx-multiline-assign/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/jsx-multiline-assign/jsfmt.spec.js
+++ b/tests/jsx-multiline-assign/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/jsx-newlines/__snapshots__/jsfmt.spec.js.snap b/tests/jsx-newlines/__snapshots__/jsfmt.spec.js.snap
index 2638cada8..74e727aa2 100644
--- a/tests/jsx-newlines/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/jsx-newlines/__snapshots__/jsfmt.spec.js.snap
@@ -187,3 +187,191 @@ regression_extra_newline_2 = (
 );
 "
 `;
+
+exports[`test.js 2`] = `
+"keep = <p>
+  Welcome to the <strong>Universal React Starter-kyt</strong>.
+  This starter kyt should serve as the base for an advanced,
+  server-rendered React app.
+</p>
+
+newlines_text =
+  <div>
+    hi
+    there
+    how
+
+    are you
+
+
+    are you fine today?
+  </div>
+
+newlines_text_spaced =
+  <div>
+
+    space above
+
+    space below
+
+  </div>
+
+newlines_elems_spaced =
+  <div>
+
+    <span>space above</span>
+
+    <span>space below</span>
+
+  </div>
+
+newlines_mixed =
+  <div>
+    hi
+    <span>there</span>
+
+    how
+
+    are <strong>you</strong>
+
+
+    are you fine today?
+  </div>
+
+newlines_elems =
+  <div>
+    <div>
+
+
+      <div></div>
+
+
+    </div>
+
+
+    hi
+
+
+    <div></div>
+
+
+    <span />
+
+
+    <Big />
+
+
+  </div>
+
+regression_extra_newline = (
+  <div>
+    <span
+      className=\\"nuclide-console-new-messages-notification-icon icon icon-nuclicon-arrow-down\\"
+    />
+    New Messages
+  </div>
+);
+
+
+regression_extra_newline_2 = (
+  <div>
+    (
+    <FormattedMessage
+      id=\\"some-id\\"
+      defaultMessage=\\"some loooooooooooooooooooooooooooong default\\"
+    />
+    )
+  </div>
+);
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+keep = (
+  <p>
+    Welcome to the <strong>Universal React Starter-kyt</strong>.
+    This starter kyt should serve as the base for an advanced,
+    server-rendered React app.
+  </p>
+);
+
+newlines_text = (
+  <div>
+    hi
+    there
+    how
+
+    are you
+
+    are you fine today?
+  </div>
+);
+
+newlines_text_spaced = (
+  <div>
+
+    space above
+
+    space below
+
+  </div>
+);
+
+newlines_elems_spaced = (
+  <div>
+
+    <span>space above</span>
+
+    <span>space below</span>
+
+  </div>
+);
+
+newlines_mixed = (
+  <div>
+    hi
+    <span>there</span>
+
+    how
+
+    are <strong>you</strong>
+
+    are you fine today?
+  </div>
+);
+
+newlines_elems = (
+  <div>
+    <div>
+
+      <div />
+
+    </div>
+
+    hi
+
+    <div />
+
+    <span />
+
+    <Big />
+
+  </div>
+);
+
+regression_extra_newline = (
+  <div>
+    <span className=\\"nuclide-console-new-messages-notification-icon icon icon-nuclicon-arrow-down\\" />
+    New Messages
+  </div>
+);
+
+regression_extra_newline_2 = (
+  <div>
+    (
+    <FormattedMessage
+      id=\\"some-id\\"
+      defaultMessage=\\"some loooooooooooooooooooooooooooong default\\"
+    />
+    )
+  </div>
+);
+"
+`;
diff --git a/tests/jsx-newlines/jsfmt.spec.js b/tests/jsx-newlines/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/jsx-newlines/jsfmt.spec.js
+++ b/tests/jsx-newlines/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/jsx-significant-space/__snapshots__/jsfmt.spec.js.snap b/tests/jsx-significant-space/__snapshots__/jsfmt.spec.js.snap
index 36c0f42c9..301b52b6d 100644
--- a/tests/jsx-significant-space/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/jsx-significant-space/__snapshots__/jsfmt.spec.js.snap
@@ -198,3 +198,202 @@ not_broken_begin = (
 );
 "
 `;
+
+exports[`test.js 2`] = `
+"after =
+  <span>
+      foo <span>bar</span>
+  </span>
+
+before =
+  <span>
+    <span>bar</span> foo
+  </span>
+
+before_break1 =
+  <span>
+    <span barbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbar /> foo
+  </span>
+
+before_break2 =
+  <span>
+    <span barbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbar /> foo
+  </span>
+
+after_break =
+  <span>
+    foo <span barbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbar />
+  </span>
+
+within =
+  <span>
+    foo <span> bar </span>
+  </span>
+
+break_components =
+  <div>
+    <Foo />
+    <Bar>
+      <p>foo<span>bar bar bar</span></p><h1><span><em>yep</em></span></h1>
+    </Bar>
+    <h2>nope</h2>
+  </div>
+
+var x = <div>
+    hello <strong>hi</strong> <foo>sdkflsdfjk</foo>
+ </div>;
+
+nest_plz =
+  <div>
+    <div>
+    <div></div>
+    </div>
+  </div>
+
+regression_not_transformed_1 =
+  <span> <Icon icon=\\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\" /></span>;
+
+regression_not_transformed_2 =
+  <span><Icon icon=\\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\" /> </span>;
+
+similar_1 =
+  <span> <Icon icon=\\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\" /></span>;
+
+similar_2 =
+  <span><Icon icon=\\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\" /> </span>;
+
+similar_3 =
+  <span><Icon icon=\\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\" /> <Icon icon=\\"\\" /></span>;
+
+not_broken_end =
+  <div>
+    long text long text long text long text long text long text long text long text <link>url</link> long text long text
+  </div>
+
+not_broken_begin =
+  <div>
+    <br /> long text long text long text long text long text long text long text long text<link>url</link> long text long text
+  </div>
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+after = (
+  <span>
+    foo <span>bar</span>
+  </span>
+);
+
+before = (
+  <span>
+    <span>bar</span> foo
+  </span>
+);
+
+before_break1 = (
+  <span>
+    <span barbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbar />
+    {\\" \\"}
+    foo
+  </span>
+);
+
+before_break2 = (
+  <span>
+    <span
+      barbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbar
+    />
+    {\\" \\"}
+    foo
+  </span>
+);
+
+after_break = (
+  <span>
+    foo
+    {\\" \\"}
+    <span barbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbarbar />
+  </span>
+);
+
+within = (
+  <span>
+    foo <span> bar </span>
+  </span>
+);
+
+break_components = (
+  <div>
+    <Foo />
+    <Bar>
+      <p>foo<span>bar bar bar</span></p><h1><span><em>yep</em></span></h1>
+    </Bar>
+    <h2>nope</h2>
+  </div>
+);
+
+var x = (
+  <div>
+    hello <strong>hi</strong> <foo>sdkflsdfjk</foo>
+  </div>
+);
+
+nest_plz = (
+  <div>
+    <div>
+      <div />
+    </div>
+  </div>
+);
+
+regression_not_transformed_1 = (
+  <span>
+    {\\" \\"}<Icon icon=\\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\" />
+  </span>
+);
+
+regression_not_transformed_2 = (
+  <span>
+    <Icon icon=\\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\" />{\\" \\"}
+  </span>
+);
+
+similar_1 = (
+  <span>
+    {\\" \\"}
+    <Icon icon=\\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\" />
+  </span>
+);
+
+similar_2 = (
+  <span>
+    <Icon icon=\\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\" />
+    {\\" \\"}
+  </span>
+);
+
+similar_3 = (
+  <span>
+    <Icon icon=\\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\" /> <Icon icon=\\"\\" />
+  </span>
+);
+
+not_broken_end = (
+  <div>
+    long text long text long text long text long text long text long text long text
+    {\\" \\"}
+    <link>url</link>
+    {\\" \\"}
+    long text long text
+  </div>
+);
+
+not_broken_begin = (
+  <div>
+    <br />
+    {\\" \\"}
+    long text long text long text long text long text long text long text long text
+    <link>url</link>
+    {\\" \\"}
+    long text long text
+  </div>
+);
+"
+`;
diff --git a/tests/jsx-significant-space/jsfmt.spec.js b/tests/jsx-significant-space/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/jsx-significant-space/jsfmt.spec.js
+++ b/tests/jsx-significant-space/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/jsx-split-attrs/__snapshots__/jsfmt.spec.js.snap b/tests/jsx-split-attrs/__snapshots__/jsfmt.spec.js.snap
index efb23b71d..4b1f99702 100644
--- a/tests/jsx-split-attrs/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/jsx-split-attrs/__snapshots__/jsfmt.spec.js.snap
@@ -212,3 +212,216 @@ long_obj = (
 );
 "
 `;
+
+exports[`test.js 2`] = `
+"long_closed =
+  <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\"/>
+
+long_open =
+  <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\">
+    hello
+  </BaseForm>
+
+long_open_long_children =
+  <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\">
+    <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\">
+      Hello world
+    </BaseForm>
+    <div><div><div><div><div><div>hey hiya how are ya</div></div></div></div></div></div>
+    <div><div><div><div attr=\\"long\\" attr2=\\"also long\\" attr3=\\"gonna break\\"></div></div></div></div>
+    <div><div><div>
+      <div attr=\\"long\\" attr2=\\"also long\\" attr3=\\"gonna break\\" attr4=\\"hello please break me\\" />
+    </div></div></div>
+    <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\"><BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\"></BaseForm>d</BaseForm>
+    <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\"><BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\"></BaseForm></BaseForm>
+  </BaseForm>
+
+short_closed =
+  <BaseForm url=\\"/auth/google\\" method=\\"GET\\"/>
+
+short_open =
+  <BaseForm url=\\"/auth/google\\" method=\\"GET\\">
+    hello
+  </BaseForm>
+
+make_self_closing =
+  <div>
+    <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\">
+    </BaseForm>
+    <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\"></BaseForm>
+  </div>
+
+leave_opening =
+  <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\"> </BaseForm>
+
+long_string =
+  <div className=\\"i use bootstrap and just put loooaads of classnames in here all the time\\">hello world</div>
+
+long_string_with_extra_param =
+  <div className=\\"i use bootstrap and just put loooaads of classnames in here all the time\\" blah=\\"3\\">hello world</div>
+
+long_obj =
+  <div style={{ i: 'dont', use: 'bootstrap', and: 'instead', use: 'massive', objects }}>hello world</div>
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+long_closed = (
+  <BaseForm
+    url=\\"/auth/google\\"
+    method=\\"GET\\"
+    colour=\\"blue\\"
+    size=\\"large\\"
+    submitLabel=\\"Sign in with Google\\"
+  />
+);
+
+long_open = (
+  <BaseForm
+    url=\\"/auth/google\\"
+    method=\\"GET\\"
+    colour=\\"blue\\"
+    size=\\"large\\"
+    submitLabel=\\"Sign in with Google\\"
+  >
+    hello
+  </BaseForm>
+);
+
+long_open_long_children = (
+  <BaseForm
+    url=\\"/auth/google\\"
+    method=\\"GET\\"
+    colour=\\"blue\\"
+    size=\\"large\\"
+    submitLabel=\\"Sign in with Google\\"
+  >
+    <BaseForm
+      url=\\"/auth/google\\"
+      method=\\"GET\\"
+      colour=\\"blue\\"
+      size=\\"large\\"
+      submitLabel=\\"Sign in with Google\\"
+    >
+      Hello world
+    </BaseForm>
+    <div>
+      <div><div><div><div><div>hey hiya how are ya</div></div></div></div></div>
+    </div>
+    <div>
+      <div>
+        <div><div attr=\\"long\\" attr2=\\"also long\\" attr3=\\"gonna break\\" /></div>
+      </div>
+    </div>
+    <div>
+      <div>
+        <div>
+          <div
+            attr=\\"long\\"
+            attr2=\\"also long\\"
+            attr3=\\"gonna break\\"
+            attr4=\\"hello please break me\\"
+          />
+        </div>
+      </div>
+    </div>
+    <BaseForm
+      url=\\"/auth/google\\"
+      method=\\"GET\\"
+      colour=\\"blue\\"
+      size=\\"large\\"
+      submitLabel=\\"Sign in with Google\\"
+    >
+      <BaseForm
+        url=\\"/auth/google\\"
+        method=\\"GET\\"
+        colour=\\"blue\\"
+        size=\\"large\\"
+        submitLabel=\\"Sign in with Google\\"
+      />
+      d
+    </BaseForm>
+    <BaseForm
+      url=\\"/auth/google\\"
+      method=\\"GET\\"
+      colour=\\"blue\\"
+      size=\\"large\\"
+      submitLabel=\\"Sign in with Google\\"
+    >
+      <BaseForm
+        url=\\"/auth/google\\"
+        method=\\"GET\\"
+        colour=\\"blue\\"
+        size=\\"large\\"
+        submitLabel=\\"Sign in with Google\\"
+      />
+    </BaseForm>
+  </BaseForm>
+);
+
+short_closed = <BaseForm url=\\"/auth/google\\" method=\\"GET\\" />;
+
+short_open = (
+  <BaseForm url=\\"/auth/google\\" method=\\"GET\\">
+    hello
+  </BaseForm>
+);
+
+make_self_closing = (
+  <div>
+    <BaseForm
+      url=\\"/auth/google\\"
+      method=\\"GET\\"
+      colour=\\"blue\\"
+      size=\\"large\\"
+      submitLabel=\\"Sign in with Google\\"
+    />
+    <BaseForm
+      url=\\"/auth/google\\"
+      method=\\"GET\\"
+      colour=\\"blue\\"
+      size=\\"large\\"
+      submitLabel=\\"Sign in with Google\\"
+    />
+  </div>
+);
+
+leave_opening = (
+  <BaseForm
+    url=\\"/auth/google\\"
+    method=\\"GET\\"
+    colour=\\"blue\\"
+    size=\\"large\\"
+    submitLabel=\\"Sign in with Google\\"
+  >
+    {\\" \\"}
+  </BaseForm>
+);
+
+long_string = (
+  <div className=\\"i use bootstrap and just put loooaads of classnames in here all the time\\">
+    hello world
+  </div>
+);
+
+long_string_with_extra_param = (
+  <div
+    className=\\"i use bootstrap and just put loooaads of classnames in here all the time\\"
+    blah=\\"3\\"
+  >
+    hello world
+  </div>
+);
+
+long_obj = (
+  <div
+    style={{
+      i: \\"dont\\",
+      use: \\"bootstrap\\",
+      and: \\"instead\\",
+      use: \\"massive\\",
+      objects
+    }}
+  >
+    hello world
+  </div>
+);
+"
+`;
diff --git a/tests/jsx-split-attrs/jsfmt.spec.js b/tests/jsx-split-attrs/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/jsx-split-attrs/jsfmt.spec.js
+++ b/tests/jsx-split-attrs/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/jsx-stateless-arrow-fn/__snapshots__/jsfmt.spec.js.snap b/tests/jsx-stateless-arrow-fn/__snapshots__/jsfmt.spec.js.snap
index 21a7ac786..953856572 100644
--- a/tests/jsx-stateless-arrow-fn/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/jsx-stateless-arrow-fn/__snapshots__/jsfmt.spec.js.snap
@@ -232,3 +232,236 @@ const renderTernary = props => (
 );
 "
 `;
+
+exports[`test.js 2`] = `
+"const render1 = ({ styles }) => (
+  <div style={styles} key=\\"something\\">
+    Keep the wrapping parens. Put each key on its own line.
+  </div>
+);
+
+const render2 = ({ styles }) => <div style={styles} key=\\"something\\">
+  Create wrapping parens.
+</div>;
+
+const render3 = ({ styles }) => <div style={styles} key=\\"something\\">Bump to next line without parens</div>;
+
+const render4 = ({ styles }) => <div style={styles} key=\\"something\\">Create wrapping parens and indent <strong>all the things</strong>.</div>;
+
+const render5 = ({ styles }) => <div>Keep it on one line.</div>;
+
+const render6 = ({ styles }) => (
+  <div attr1=\\"aaaaaaaaaaaaaaaaa\\" attr2=\\"bbbbbbbbbbb\\" attr3=\\"cccccccccccc\\">
+    <div attr1=\\"aaaaaaaaaaaaaaaaa\\" attr2=\\"bbbbbbbbbbb\\" attr3=\\"cccccccccccc\\" attr4>ddd d dd d d dddd dddd <strong>hello</strong></div>
+    <div attr1=\\"aaaaaaaaaaaaaaaaa\\" attr2=\\"bbbbbbbbbbb\\" attr3=\\"cccccccccccc\\" attr4>ddd d dd d d dddd dddd <strong>hello</strong></div>
+    <div attr1=\\"aaaaaaaaaaaaaaaaa\\" attr2=\\"bbbbbbbbbbb\\" attr3=\\"cccccccccccc\\" attr4>
+      <div attr1=\\"aaaaaaaaaaaaaaaaa\\" attr2=\\"bbbbbbbbbbb\\" attr3=\\"cccccccccccc\\" attr4>ddd d dd d d dddd dddd <strong>hello</strong></div> <strong>hello</strong></div>
+  </div>
+)
+
+const render7 = () =>
+  <div>
+    <span /><span>Dont break each elem onto its own line.</span> <span />
+    <div /> <div />
+  </div>
+
+const render7A = () => (
+  <div>
+    <div /><div /><div />
+  </div>
+)
+
+const render7B = () => (
+  <div>
+    <span> <span/> Dont break plz</span>
+    <span><span/>Dont break plz</span>
+    <span>Dont break plz<span/></span>
+  </div>
+)
+
+const render8 = (props) => <div>{props.text}</div>
+const render9 = (props) => <div>{props.looooooooooooooooooooooooooooooong_text}</div>
+const render10 = (props) => <div>{props.even_looooooooooooooooooooooooooooooooooooooooooonger_contents}</div>
+
+const notJSX = (aaaaaaaaaaaaaaaaa, bbbbbbbbbbb) => this.someLongCallWithParams(aaaaaa, bbbbbbb).anotherLongCallWithParams(cccccccccccc, dddddddddddddddddddddd)
+
+React.render(
+  <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\" />
+  , document.querySelector('#react-root')
+)
+
+
+const renderTernary = (props) =>
+  <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\">
+    {props.showTheThing ?
+      <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\">Hello world</BaseForm>
+      : \\"hello \\" + \\"howdy! \\"}
+    {props.showTheThing ?
+      <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\">Hello world</BaseForm>
+      :
+      null
+    }
+    {props.showTheThing ? null :
+      <BaseForm url=\\"/auth/google\\" method=\\"GET\\" colour=\\"blue\\" size=\\"large\\" submitLabel=\\"Sign in with Google\\">Hello world</BaseForm>
+    }
+    {props.showTheOtherThing ? <div>I am here</div> : <div attr=\\"blah\\" />}
+    {props.showTheOtherThing ? <div>I am here!!</div> : null}
+  </BaseForm>
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const render1 = ({ styles }) => (
+  <div style={styles} key=\\"something\\">
+    Keep the wrapping parens. Put each key on its own line.
+  </div>
+);
+
+const render2 = ({ styles }) => (
+  <div style={styles} key=\\"something\\">
+    Create wrapping parens.
+  </div>
+);
+
+const render3 = ({ styles }) => (
+  <div style={styles} key=\\"something\\">Bump to next line without parens</div>
+);
+
+const render4 = ({ styles }) => (
+  <div style={styles} key=\\"something\\">
+    Create wrapping parens and indent <strong>all the things</strong>.
+  </div>
+);
+
+const render5 = ({ styles }) => <div>Keep it on one line.</div>;
+
+const render6 = ({ styles }) => (
+  <div attr1=\\"aaaaaaaaaaaaaaaaa\\" attr2=\\"bbbbbbbbbbb\\" attr3=\\"cccccccccccc\\">
+    <div
+      attr1=\\"aaaaaaaaaaaaaaaaa\\"
+      attr2=\\"bbbbbbbbbbb\\"
+      attr3=\\"cccccccccccc\\"
+      attr4
+    >
+      ddd d dd d d dddd dddd <strong>hello</strong>
+    </div>
+    <div
+      attr1=\\"aaaaaaaaaaaaaaaaa\\"
+      attr2=\\"bbbbbbbbbbb\\"
+      attr3=\\"cccccccccccc\\"
+      attr4
+    >
+      ddd d dd d d dddd dddd <strong>hello</strong>
+    </div>
+    <div
+      attr1=\\"aaaaaaaaaaaaaaaaa\\"
+      attr2=\\"bbbbbbbbbbb\\"
+      attr3=\\"cccccccccccc\\"
+      attr4
+    >
+      <div
+        attr1=\\"aaaaaaaaaaaaaaaaa\\"
+        attr2=\\"bbbbbbbbbbb\\"
+        attr3=\\"cccccccccccc\\"
+        attr4
+      >
+        ddd d dd d d dddd dddd <strong>hello</strong>
+      </div>
+      {\\" \\"}
+      <strong>hello</strong>
+    </div>
+  </div>
+);
+
+const render7 = () => (
+  <div>
+    <span /><span>Dont break each elem onto its own line.</span> <span />
+    <div /> <div />
+  </div>
+);
+
+const render7A = () => (
+  <div>
+    <div /><div /><div />
+  </div>
+);
+
+const render7B = () => (
+  <div>
+    <span> <span /> Dont break plz</span>
+    <span><span />Dont break plz</span>
+    <span>Dont break plz<span /></span>
+  </div>
+);
+
+const render8 = props => <div>{props.text}</div>;
+const render9 = props => (
+  <div>{props.looooooooooooooooooooooooooooooong_text}</div>
+);
+const render10 = props => (
+  <div>
+    {props.even_looooooooooooooooooooooooooooooooooooooooooonger_contents}
+  </div>
+);
+
+const notJSX = (aaaaaaaaaaaaaaaaa, bbbbbbbbbbb) =>
+  this.someLongCallWithParams(aaaaaa, bbbbbbb).anotherLongCallWithParams(
+    cccccccccccc,
+    dddddddddddddddddddddd
+  );
+
+React.render(
+  <BaseForm
+    url=\\"/auth/google\\"
+    method=\\"GET\\"
+    colour=\\"blue\\"
+    size=\\"large\\"
+    submitLabel=\\"Sign in with Google\\"
+  />,
+  document.querySelector(\\"#react-root\\")
+);
+
+const renderTernary = props => (
+  <BaseForm
+    url=\\"/auth/google\\"
+    method=\\"GET\\"
+    colour=\\"blue\\"
+    size=\\"large\\"
+    submitLabel=\\"Sign in with Google\\"
+  >
+    {props.showTheThing
+      ? <BaseForm
+          url=\\"/auth/google\\"
+          method=\\"GET\\"
+          colour=\\"blue\\"
+          size=\\"large\\"
+          submitLabel=\\"Sign in with Google\\"
+        >
+          Hello world
+        </BaseForm>
+      : \\"hello \\" + \\"howdy! \\"}
+    {props.showTheThing
+      ? <BaseForm
+          url=\\"/auth/google\\"
+          method=\\"GET\\"
+          colour=\\"blue\\"
+          size=\\"large\\"
+          submitLabel=\\"Sign in with Google\\"
+        >
+          Hello world
+        </BaseForm>
+      : null}
+    {props.showTheThing
+      ? null
+      : <BaseForm
+          url=\\"/auth/google\\"
+          method=\\"GET\\"
+          colour=\\"blue\\"
+          size=\\"large\\"
+          submitLabel=\\"Sign in with Google\\"
+        >
+          Hello world
+        </BaseForm>}
+    {props.showTheOtherThing ? <div>I am here</div> : <div attr=\\"blah\\" />}
+    {props.showTheOtherThing ? <div>I am here!!</div> : null}
+  </BaseForm>
+);
+"
+`;
diff --git a/tests/jsx-stateless-arrow-fn/jsfmt.spec.js b/tests/jsx-stateless-arrow-fn/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/jsx-stateless-arrow-fn/jsfmt.spec.js
+++ b/tests/jsx-stateless-arrow-fn/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/jsx/__snapshots__/jsfmt.spec.js.snap b/tests/jsx/__snapshots__/jsfmt.spec.js.snap
index 9f8448b4c..39a45bb3b 100644
--- a/tests/jsx/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/jsx/__snapshots__/jsfmt.spec.js.snap
@@ -139,6 +139,145 @@ exports[`expression.js 1`] = `
 "
 `;
 
+exports[`expression.js 2`] = `
+"<View
+  style={
+    {
+      someVeryLongStyle1: \\"true\\",
+      someVeryLongStyle2: \\"true\\",
+      someVeryLongStyle3: \\"true\\",
+      someVeryLongStyle4: \\"true\\"
+    }
+  }
+/>;
+
+<View
+  style={
+    [
+      {
+        someVeryLongStyle1: \\"true\\",
+        someVeryLongStyle2: \\"true\\",
+        someVeryLongStyle3: \\"true\\",
+        someVeryLongStyle4: \\"true\\"
+      }
+    ]
+  }
+/>;
+
+<Something>
+  {() => (
+    <SomethingElse>
+      <span />
+    </SomethingElse>
+  )}
+</Something>;
+
+<Something>
+  {items.map(item => (
+    <SomethingElse>
+      <span />
+    </SomethingElse>
+  ))}
+</Something>;
+
+<Something>
+  {function() {
+    return (
+      <SomethingElse>
+        <span />
+      </SomethingElse>
+    );
+  }}
+</Something>;
+
+<RadioListItem
+  key={option}
+  imageSource={this.props.veryBigItemImageSourceFunc &&
+    this.props.veryBigItemImageSourceFunc(option)}
+  imageSize={this.props.veryBigItemImageSize}
+  imageView={this.props.veryBigItemImageViewFunc &&
+    this.props.veryBigItemImageViewFunc(option)}
+  heading={this.props.displayTextFunc(option)}
+  value={option}
+/>;
+
+<ParentComponent prop={
+  <Child>
+    test
+  </Child>
+}/>;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+<View
+  style={{
+    someVeryLongStyle1: \\"true\\",
+    someVeryLongStyle2: \\"true\\",
+    someVeryLongStyle3: \\"true\\",
+    someVeryLongStyle4: \\"true\\"
+  }}
+/>;
+
+<View
+  style={[
+    {
+      someVeryLongStyle1: \\"true\\",
+      someVeryLongStyle2: \\"true\\",
+      someVeryLongStyle3: \\"true\\",
+      someVeryLongStyle4: \\"true\\"
+    }
+  ]}
+/>;
+
+<Something>
+  {() => (
+    <SomethingElse>
+      <span />
+    </SomethingElse>
+  )}
+</Something>;
+
+<Something>
+  {items.map(item => (
+    <SomethingElse>
+      <span />
+    </SomethingElse>
+  ))}
+</Something>;
+
+<Something>
+  {function() {
+    return (
+      <SomethingElse>
+        <span />
+      </SomethingElse>
+    );
+  }}
+</Something>;
+
+<RadioListItem
+  key={option}
+  imageSource={
+    this.props.veryBigItemImageSourceFunc &&
+      this.props.veryBigItemImageSourceFunc(option)
+  }
+  imageSize={this.props.veryBigItemImageSize}
+  imageView={
+    this.props.veryBigItemImageViewFunc &&
+      this.props.veryBigItemImageViewFunc(option)
+  }
+  heading={this.props.displayTextFunc(option)}
+  value={option}
+/>;
+
+<ParentComponent
+  prop={
+    <Child>
+      test
+    </Child>
+  }
+/>;
+"
+`;
+
 exports[`hug.js 1`] = `
 "<div>
   {__DEV__
@@ -199,6 +338,66 @@ exports[`hug.js 1`] = `
 "
 `;
 
+exports[`hug.js 2`] = `
+"<div>
+  {__DEV__
+    ? this.renderDevApp()
+    : <div>
+      {routes.map(route => (
+        <MatchAsync
+          key={\`\${route.to}-async\`}
+          pattern={route.to}
+          exactly={route.to === \\"/\\"}
+          getComponent={routeES6Modules[route.value]}
+        />
+      ))}
+    </div>}
+</div>;
+
+<div>
+  {__DEV__ && <div>
+    {routes.map(route => (
+      <MatchAsync
+        key={\`\${route.to}-async\`}
+        pattern={route.to}
+        exactly={route.to === \\"/\\"}
+        getComponent={routeES6Modules[route.value]}
+      />
+    ))}
+    </div>}
+</div>;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+<div>
+  {__DEV__
+    ? this.renderDevApp()
+    : <div>
+        {routes.map(route => (
+          <MatchAsync
+            key={\`\${route.to}-async\`}
+            pattern={route.to}
+            exactly={route.to === \\"/\\"}
+            getComponent={routeES6Modules[route.value]}
+          />
+        ))}
+      </div>}
+</div>;
+
+<div>
+  {__DEV__ &&
+    <div>
+      {routes.map(route => (
+        <MatchAsync
+          key={\`\${route.to}-async\`}
+          pattern={route.to}
+          exactly={route.to === \\"/\\"}
+          getComponent={routeES6Modules[route.value]}
+        />
+      ))}
+    </div>}
+</div>;
+"
+`;
+
 exports[`object-property.js 1`] = `
 "const tabs = [
   {
@@ -230,6 +429,37 @@ const tabs = [
 "
 `;
 
+exports[`object-property.js 2`] = `
+"const tabs = [
+  {
+    title: \\"General Info\\",
+    content: (
+      <GeneralForm
+        long-attribute=\\"i-need-long-value-here\\"
+        onSave={ onSave }
+        onCancel={ onCancel }
+        countries={ countries }
+      />
+    )
+  }
+];
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const tabs = [
+  {
+    title: \\"General Info\\",
+    content: (
+      <GeneralForm
+        long-attribute=\\"i-need-long-value-here\\"
+        onSave={onSave}
+        onCancel={onCancel}
+        countries={countries}
+      />
+    )
+  }
+];
+"
+`;
+
 exports[`open-break.js 1`] = `
 "<td
 onClick={() => {
@@ -260,6 +490,36 @@ onClick={() => {
 "
 `;
 
+exports[`open-break.js 2`] = `
+"<td
+onClick={() => {
+  a
+}}>{header}{showSort}</td>;
+
+<td
+onClick={() => {
+  a
+}}>{header}<showSort attr=\\"long long long long long long long long long long long\\"/></td>;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+<td
+  onClick={() => {
+    a;
+  }}
+>
+  {header}{showSort}
+</td>;
+
+<td
+  onClick={() => {
+    a;
+  }}
+>
+  {header}
+  <showSort attr=\\"long long long long long long long long long long long\\" />
+</td>;
+"
+`;
+
 exports[`parens.js 1`] = `
 "a = [
   <path
@@ -285,6 +545,31 @@ a = [
 "
 `;
 
+exports[`parens.js 2`] = `
+"a = [
+  <path
+    key='0'
+    d='M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,'
+  />,
+  <path
+    key='1'
+    d='M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,'
+  />,        
+];
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a = [
+  <path
+    key=\\"0\\"
+    d=\\"M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,\\"
+  />,
+  <path
+    key=\\"1\\"
+    d=\\"M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,M13.6,10.6l,4-2.8L9.5,\\"
+  />
+];
+"
+`;
+
 exports[`quotes.js 1`] = `
 "<div id=\\"&quot;'<>&amp;quot;\\" />;
 <div id='\\"&#39;<>&amp;quot;' />;
@@ -295,3 +580,14 @@ exports[`quotes.js 1`] = `
 <div id={\\"'\\\\\\"&quot;<>&amp;quot;\\"} />;
 "
 `;
+
+exports[`quotes.js 2`] = `
+"<div id=\\"&quot;'<>&amp;quot;\\" />;
+<div id='\\"&#39;<>&amp;quot;' />;
+<div id={'\\\\'\\"&quot;<>&amp;quot;'} />;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+<div id=\\"&quot;'<>&amp;quot;\\" />;
+<div id=\\"&quot;'<>&amp;quot;\\" />;
+<div id={\\"'\\\\\\"&quot;<>&amp;quot;\\"} />;
+"
+`;
diff --git a/tests/jsx/jsfmt.spec.js b/tests/jsx/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/jsx/jsfmt.spec.js
+++ b/tests/jsx/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/jsx_last_line/__snapshots__/jsfmt.spec.js.snap b/tests/jsx_last_line/__snapshots__/jsfmt.spec.js.snap
index 706d39b71..d56dd3e59 100644
--- a/tests/jsx_last_line/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/jsx_last_line/__snapshots__/jsfmt.spec.js.snap
@@ -48,3 +48,52 @@ exports[`last_line.js 2`] = `
 </SomeHighlyConfiguredComponent>;
 "
 `;
+
+exports[`last_line.js 3`] = `
+"<SomeHighlyConfiguredComponent
+  onEnter={this.onEnter}
+  onLeave={this.onLeave}
+  onChange={this.onChange}
+  initialValue={this.state.initialValue}
+  ignoreStuff={true}
+>
+  <div>and the children go here</div>
+  <div>and here too</div>
+</SomeHighlyConfiguredComponent>
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+<SomeHighlyConfiguredComponent
+  onEnter={this.onEnter}
+  onLeave={this.onLeave}
+  onChange={this.onChange}
+  initialValue={this.state.initialValue}
+  ignoreStuff={true}>
+  <div>and the children go here</div>
+  <div>and here too</div>
+</SomeHighlyConfiguredComponent>;
+"
+`;
+
+exports[`last_line.js 4`] = `
+"<SomeHighlyConfiguredComponent
+  onEnter={this.onEnter}
+  onLeave={this.onLeave}
+  onChange={this.onChange}
+  initialValue={this.state.initialValue}
+  ignoreStuff={true}
+>
+  <div>and the children go here</div>
+  <div>and here too</div>
+</SomeHighlyConfiguredComponent>
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+<SomeHighlyConfiguredComponent
+  onEnter={this.onEnter}
+  onLeave={this.onLeave}
+  onChange={this.onChange}
+  initialValue={this.state.initialValue}
+  ignoreStuff={true}
+>
+  <div>and the children go here</div>
+  <div>and here too</div>
+</SomeHighlyConfiguredComponent>;
+"
+`;
diff --git a/tests/jsx_last_line/jsfmt.spec.js b/tests/jsx_last_line/jsfmt.spec.js
index 0cac44995..eeb2ed9fe 100644
--- a/tests/jsx_last_line/jsfmt.spec.js
+++ b/tests/jsx_last_line/jsfmt.spec.js
@@ -1,2 +1,5 @@
 run_spec(__dirname, {jsxBracketSameLine: true});
 run_spec(__dirname, {jsxBracketSameLine: false});
+
+run_spec(__dirname, {parser: 'typescript', jsxBracketSameLine: true});
+run_spec(__dirname, {parser: 'typescript', jsxBracketSameLine: false});
diff --git a/tests/label/__snapshots__/jsfmt.spec.js.snap b/tests/label/__snapshots__/jsfmt.spec.js.snap
index 2be86bcb4..179cda189 100644
--- a/tests/label/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/label/__snapshots__/jsfmt.spec.js.snap
@@ -8,3 +8,12 @@ a:;
 b;
 "
 `;
+
+exports[`empty_label.js 2`] = `
+"a:;
+b
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a:;
+b;
+"
+`;
diff --git a/tests/label/jsfmt.spec.js b/tests/label/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/label/jsfmt.spec.js
+++ b/tests/label/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/line/__snapshots__/jsfmt.spec.js.snap b/tests/line/__snapshots__/jsfmt.spec.js.snap
index 2869d3af8..6d76a8fbf 100644
--- a/tests/line/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/line/__snapshots__/jsfmt.spec.js.snap
@@ -14,3 +14,18 @@ let outChannel;
 let _commands;
 "
 `;
+
+exports[`windows.js 2`] = `
+"const vscode = require(\\"vscode\\");
+const {getDir, getActiveFile, uint8arrayToString} = require(\\"./utils\\");
+
+let outChannel;
+let _commands;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const vscode = require(\\"vscode\\");
+const { getDir, getActiveFile, uint8arrayToString } = require(\\"./utils\\");
+
+let outChannel;
+let _commands;
+"
+`;
diff --git a/tests/line/jsfmt.spec.js b/tests/line/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/line/jsfmt.spec.js
+++ b/tests/line/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/member/__snapshots__/jsfmt.spec.js.snap b/tests/member/__snapshots__/jsfmt.spec.js.snap
index bdf546b4c..4263d57b0 100644
--- a/tests/member/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/member/__snapshots__/jsfmt.spec.js.snap
@@ -9,3 +9,13 @@ const veryVeryVeryVeryVeryVeryVeryLong = doc.expandedStates[
 const small = doc.expandedStates[doc.expandedStates.length - 1];
 "
 `;
+
+exports[`expand.js 2`] = `
+"const veryVeryVeryVeryVeryVeryVeryLong = doc.expandedStates[doc.expandedStates.length - 1];
+const small = doc.expandedStates[doc.expandedStates.length - 1];~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const veryVeryVeryVeryVeryVeryVeryLong = doc.expandedStates[
+  doc.expandedStates.length - 1
+];
+const small = doc.expandedStates[doc.expandedStates.length - 1];
+"
+`;
diff --git a/tests/member/jsfmt.spec.js b/tests/member/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/member/jsfmt.spec.js
+++ b/tests/member/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/new_expression/__snapshots__/jsfmt.spec.js.snap b/tests/new_expression/__snapshots__/jsfmt.spec.js.snap
index 8d096e8b6..1445f2e48 100644
--- a/tests/new_expression/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/new_expression/__snapshots__/jsfmt.spec.js.snap
@@ -8,3 +8,12 @@ new (memoize.Cache || MapCache)();
 new (typeof this == \\"function\\" ? this : Dict())();
 "
 `;
+
+exports[`new_expression.js 2`] = `
+"new (memoize.Cache || MapCache)
+new (typeof this == \\"function\\" ? this : Dict())
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+new (memoize.Cache || MapCache)();
+new (typeof this == \\"function\\" ? this : Dict())();
+"
+`;
diff --git a/tests/new_expression/jsfmt.spec.js b/tests/new_expression/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/new_expression/jsfmt.spec.js
+++ b/tests/new_expression/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/object-prop-break-in/__snapshots__/jsfmt.spec.js.snap b/tests/object-prop-break-in/__snapshots__/jsfmt.spec.js.snap
index 051df4d55..8227b17ad 100644
--- a/tests/object-prop-break-in/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/object-prop-break-in/__snapshots__/jsfmt.spec.js.snap
@@ -17,6 +17,23 @@ function foo() {
 "
 `;
 
+exports[`comment.js 2`] = `
+"function foo() {
+  return {
+    // this comment causes the problem
+    bar: baz() + 1
+  };
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function foo() {
+  return {
+    // this comment causes the problem
+    bar: baz() + 1
+  };
+}
+"
+`;
+
 exports[`test.js 1`] = `
 "const a = classnames({
   \\"some-prop\\": this.state.longLongLongLongLongLongLongLongLongTooLongProp
@@ -77,3 +94,64 @@ const g = classnames({
 });
 "
 `;
+
+exports[`test.js 2`] = `
+"const a = classnames({
+  \\"some-prop\\": this.state.longLongLongLongLongLongLongLongLongTooLongProp
+});
+
+const b = classnames({
+  \\"some-prop\\": this.state.longLongLongLongLongLongLongLongLongTooLongProp === true
+});
+
+const c = classnames({
+  \\"some-prop\\": [ \\"foo\\", \\"bar\\", \\"foo\\", \\"bar\\", \\"foo\\", \\"bar\\", \\"foo\\", \\"bar\\", \\"foo\\" ]
+});
+
+const d = classnames({
+  \\"some-prop\\": () => {}
+});
+
+const e = classnames({
+  \\"some-prop\\": function bar() {}
+});
+
+const f = classnames({
+  \\"some-prop\\": { foo: \\"bar\\", bar: \\"foo\\", foo: \\"bar\\", bar: \\"foo\\", foo: \\"bar\\" }
+});
+
+const g = classnames({
+  \\"some-prop\\": longLongLongLongLongLongLongLongLongLongLongLongLongTooLongVar || 1337
+});
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const a = classnames({
+  \\"some-prop\\": this.state.longLongLongLongLongLongLongLongLongTooLongProp
+});
+
+const b = classnames({
+  \\"some-prop\\": this.state.longLongLongLongLongLongLongLongLongTooLongProp ===
+    true
+});
+
+const c = classnames({
+  \\"some-prop\\": [\\"foo\\", \\"bar\\", \\"foo\\", \\"bar\\", \\"foo\\", \\"bar\\", \\"foo\\", \\"bar\\", \\"foo\\"]
+});
+
+const d = classnames({
+  \\"some-prop\\": () => {}
+});
+
+const e = classnames({
+  \\"some-prop\\": function bar() {}
+});
+
+const f = classnames({
+  \\"some-prop\\": { foo: \\"bar\\", bar: \\"foo\\", foo: \\"bar\\", bar: \\"foo\\", foo: \\"bar\\" }
+});
+
+const g = classnames({
+  \\"some-prop\\": longLongLongLongLongLongLongLongLongLongLongLongLongTooLongVar ||
+    1337
+});
+"
+`;
diff --git a/tests/object-prop-break-in/jsfmt.spec.js b/tests/object-prop-break-in/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/object-prop-break-in/jsfmt.spec.js
+++ b/tests/object-prop-break-in/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/object_colon_bug/__snapshots__/jsfmt.spec.js.snap b/tests/object_colon_bug/__snapshots__/jsfmt.spec.js.snap
index aefdc358d..06ab37f72 100644
--- a/tests/object_colon_bug/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/object_colon_bug/__snapshots__/jsfmt.spec.js.snap
@@ -14,3 +14,18 @@ const foo = {
 };
 "
 `;
+
+exports[`bug.js 2`] = `
+"const foo = {
+  bar: props.bar ? props.bar : noop,
+  baz: props.baz
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const foo = {
+  bar: props.bar
+    ? props.bar
+    : noop,
+  baz: props.baz
+};
+"
+`;
diff --git a/tests/object_colon_bug/jsfmt.spec.js b/tests/object_colon_bug/jsfmt.spec.js
index c92e1fa6a..dd7b4638b 100644
--- a/tests/object_colon_bug/jsfmt.spec.js
+++ b/tests/object_colon_bug/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname, {printWidth: 35});
+run_spec(__dirname, {parser: 'typescript', printWidth: 35});
\ No newline at end of file
diff --git a/tests/preserve_line/__snapshots__/jsfmt.spec.js.snap b/tests/preserve_line/__snapshots__/jsfmt.spec.js.snap
index acb62f28f..68aa4eb2a 100644
--- a/tests/preserve_line/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/preserve_line/__snapshots__/jsfmt.spec.js.snap
@@ -60,3 +60,64 @@ function a() {
 }
 "
 `;
+
+exports[`comments.js 2`] = `
+"function a() {
+  const a = 5; // comment
+
+  return a;
+}
+
+function a() {
+  const a = 5; /* comment */
+
+  return a;
+}
+
+function a() {
+  const a = 5; /* comment */ /* comment */
+
+  return a;
+}
+
+function a() {
+  const a = 5; /* comment */ /* comment */ // comment
+  return a;
+}
+
+function a() {
+  const a = 5; /* comment */ /* comment */ // comment
+
+  return a;
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function a() {
+  const a = 5; // comment
+
+  return a;
+}
+
+function a() {
+  const a = 5; /* comment */
+
+  return a;
+}
+
+function a() {
+  const a = 5; /* comment */ /* comment */
+
+  return a;
+}
+
+function a() {
+  const a = 5; /* comment */ /* comment */ // comment
+  return a;
+}
+
+function a() {
+  const a = 5; /* comment */ /* comment */ // comment
+
+  return a;
+}
+"
+`;
diff --git a/tests/preserve_line/jsfmt.spec.js b/tests/preserve_line/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/preserve_line/jsfmt.spec.js
+++ b/tests/preserve_line/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/require/__snapshots__/jsfmt.spec.js.snap b/tests/require/__snapshots__/jsfmt.spec.js.snap
index 9c2bd9587..2cc0c6b02 100644
--- a/tests/require/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/require/__snapshots__/jsfmt.spec.js.snap
@@ -35,3 +35,39 @@ const {
 const MyReallyExtrememlyLongModuleName = require(\\"MyReallyExtrememlyLongModuleName\\");
 "
 `;
+
+exports[`require.js 2`] = `
+"const { one, two, thee, four, five, six, seven, eight, nine, ten } = require('./my-utils');
+const { one, two, thee, four, five, six, seven, eight, nine, ten, eleven } = require('./my-utils');
+
+const MyReallyExtrememlyLongModuleName = require('MyReallyExtrememlyLongModuleName');
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const {
+  one,
+  two,
+  thee,
+  four,
+  five,
+  six,
+  seven,
+  eight,
+  nine,
+  ten
+} = require(\\"./my-utils\\");
+const {
+  one,
+  two,
+  thee,
+  four,
+  five,
+  six,
+  seven,
+  eight,
+  nine,
+  ten,
+  eleven
+} = require(\\"./my-utils\\");
+
+const MyReallyExtrememlyLongModuleName = require(\\"MyReallyExtrememlyLongModuleName\\");
+"
+`;
diff --git a/tests/require/jsfmt.spec.js b/tests/require/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/require/jsfmt.spec.js
+++ b/tests/require/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/shebang/__snapshots__/jsfmt.spec.js.snap b/tests/shebang/__snapshots__/jsfmt.spec.js.snap
index e6c317e7f..ee799cb7e 100644
--- a/tests/shebang/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/shebang/__snapshots__/jsfmt.spec.js.snap
@@ -9,6 +9,15 @@ function a() {}
 "
 `;
 
+exports[`shebang.js 2`] = `
+"#!/usr/bin/env node
+function a() {}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#!/usr/bin/env node
+function a() {}
+"
+`;
+
 exports[`shebang-newline.js 1`] = `
 "#!/usr/bin/env node
 
@@ -19,3 +28,14 @@ function a() {}
 function a() {}
 "
 `;
+
+exports[`shebang-newline.js 2`] = `
+"#!/usr/bin/env node
+
+function a() {}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#!/usr/bin/env node
+
+function a() {}
+"
+`;
diff --git a/tests/shebang/jsfmt.spec.js b/tests/shebang/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/shebang/jsfmt.spec.js
+++ b/tests/shebang/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/switch/__snapshots__/jsfmt.spec.js.snap b/tests/switch/__snapshots__/jsfmt.spec.js.snap
index 9768792e8..57d35be47 100644
--- a/tests/switch/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/switch/__snapshots__/jsfmt.spec.js.snap
@@ -11,3 +11,15 @@ switch (1) {
 }
 "
 `;
+
+exports[`empty_switch.js 2`] = `
+"switch (1) { default:; }
+switch (1) {}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+switch (1) {
+  default:
+}
+switch (1) {
+}
+"
+`;
diff --git a/tests/switch/jsfmt.spec.js b/tests/switch/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/switch/jsfmt.spec.js
+++ b/tests/switch/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/template/__snapshots__/jsfmt.spec.js.snap b/tests/template/__snapshots__/jsfmt.spec.js.snap
index 5a4933538..39ac372fb 100644
--- a/tests/template/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/template/__snapshots__/jsfmt.spec.js.snap
@@ -33,6 +33,39 @@ var x = {
 "
 `;
 
+exports[`faulty-locations.js 2`] = `
+"var o = {
+  [\`key\`]: () => {
+    // Comment
+  }
+};
+
+var x = {
+  y: () => Relay.QL\`
+    query {
+      \${foo},
+      field,
+    }
+  \`
+};
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+var o = {
+  [\`key\`]: () => {
+    // Comment
+  }
+};
+
+var x = {
+  y: () => Relay.QL\`
+    query {
+      \${foo},
+      field,
+    }
+  \`
+};
+"
+`;
+
 exports[`parenthesis.js 1`] = `
 "// \\"ArrowFunctionExpression\\"
 (() => {})\`\`;
@@ -145,3 +178,116 @@ function* f() {
 }
 "
 `;
+
+exports[`parenthesis.js 2`] = `
+"// \\"ArrowFunctionExpression\\"
+(() => {})\`\`;
+
+// \\"AssignmentExpression\\"
+(b = c)\`\`;
+
+// \\"AwaitExpression\\"
+async function f() {
+  (await b)\`\`;
+}
+
+// \\"BinaryExpression\\"
+(b + c)\`\`;
+
+// \\"CallExpression\\"
+b()\`\`;
+
+// \\"ClassExpression\\"
+(class {})\`\`;
+
+// \\"ConditionalExpression\\"
+(b ? c : d)\`\`;
+
+// \\"FunctionExpression\\"
+(function() {})\`\`;
+
+// \\"LogicalExpression\\"
+(b || c)\`\`;
+
+// \\"MemberExpression\\"
+b.c\`\`;
+
+// \\"NewExpression\\"
+(new B())\`\`;
+
+// \\"ObjectExpression\\"
+({})\`\`;
+
+// \\"SequenceExpression\\"
+(b, c)\`\`;
+
+// \\"TaggedTemplateExpression\\"
+(\`\`)\`\`;
+
+// \\"UnaryExpression\\"
+(void b)\`\`;
+
+// \\"UpdateExpression\\"
+(++b)\`\`;
+
+// \\"YieldExpression\\"
+function* f() {
+  (yield 1)\`\`;
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// \\"ArrowFunctionExpression\\"
+(() => {})\`\`;
+
+// \\"AssignmentExpression\\"
+(b = c)\`\`;
+
+// \\"AwaitExpression\\"
+async function f() {
+  (await b)\`\`;
+}
+
+// \\"BinaryExpression\\"
+(b + c)\`\`;
+
+// \\"CallExpression\\"
+b()\`\`;
+
+// \\"ClassExpression\\"
+(class {}\`\`);
+
+// \\"ConditionalExpression\\"
+(b ? c : d)\`\`;
+
+// \\"FunctionExpression\\"
+(function() {})\`\`;
+
+// \\"LogicalExpression\\"
+(b || c)\`\`;
+
+// \\"MemberExpression\\"
+b.c\`\`;
+
+// \\"NewExpression\\"
+new B()\`\`;
+
+// \\"ObjectExpression\\"
+({}\`\`);
+
+// \\"SequenceExpression\\"
+(b, c)\`\`;
+
+// \\"TaggedTemplateExpression\\"
+\`\`\`\`;
+
+// \\"UnaryExpression\\"
+(void b)\`\`;
+
+// \\"UpdateExpression\\"
+(++b)\`\`;
+
+// \\"YieldExpression\\"
+function* f() {
+  (yield 1)\`\`;
+}
+"
+`;
diff --git a/tests/template/jsfmt.spec.js b/tests/template/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/template/jsfmt.spec.js
+++ b/tests/template/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/ternaries/__snapshots__/jsfmt.spec.js.snap b/tests/ternaries/__snapshots__/jsfmt.spec.js.snap
index 2f2e57dde..d4cdad92b 100644
--- a/tests/ternaries/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/ternaries/__snapshots__/jsfmt.spec.js.snap
@@ -103,3 +103,107 @@ const obj5 = conditionIsTruthy
       };
 "
 `;
+
+exports[`test.js 3`] = `
+"const obj0 = conditionIsTruthy ? shortThing : otherShortThing
+
+const obj1 = conditionIsTruthy ? { some: 'long', object: 'with', lots: 'of', stuff } : shortThing
+
+const obj2 = conditionIsTruthy ? shortThing : { some: 'long', object: 'with', lots: 'of', stuff }
+
+const obj3 = conditionIsTruthy ? { some: 'eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger', object: 'with', lots: 'of', stuff } : shortThing
+
+const obj4 = conditionIsTruthy ? shortThing : { some: 'eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger', object: 'with', lots: 'of', stuff }
+
+const obj5 = conditionIsTruthy ? { some: 'long', object: 'with', lots: 'of', stuff } : { some: 'eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger', object: 'with', lots: 'of', stuff }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const obj0 = conditionIsTruthy ? shortThing : otherShortThing;
+
+const obj1 = conditionIsTruthy
+  ? { some: \\"long\\", object: \\"with\\", lots: \\"of\\", stuff }
+  : shortThing;
+
+const obj2 = conditionIsTruthy
+  ? shortThing
+  : { some: \\"long\\", object: \\"with\\", lots: \\"of\\", stuff };
+
+const obj3 = conditionIsTruthy
+  ? {
+      some: \\"eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger\\",
+      object: \\"with\\",
+      lots: \\"of\\",
+      stuff
+    }
+  : shortThing;
+
+const obj4 = conditionIsTruthy
+  ? shortThing
+  : {
+      some: \\"eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger\\",
+      object: \\"with\\",
+      lots: \\"of\\",
+      stuff
+    };
+
+const obj5 = conditionIsTruthy
+  ? { some: \\"long\\", object: \\"with\\", lots: \\"of\\", stuff }
+  : {
+      some: \\"eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger\\",
+      object: \\"with\\",
+      lots: \\"of\\",
+      stuff
+    };
+"
+`;
+
+exports[`test.js 4`] = `
+"const obj0 = conditionIsTruthy ? shortThing : otherShortThing
+
+const obj1 = conditionIsTruthy ? { some: 'long', object: 'with', lots: 'of', stuff } : shortThing
+
+const obj2 = conditionIsTruthy ? shortThing : { some: 'long', object: 'with', lots: 'of', stuff }
+
+const obj3 = conditionIsTruthy ? { some: 'eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger', object: 'with', lots: 'of', stuff } : shortThing
+
+const obj4 = conditionIsTruthy ? shortThing : { some: 'eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger', object: 'with', lots: 'of', stuff }
+
+const obj5 = conditionIsTruthy ? { some: 'long', object: 'with', lots: 'of', stuff } : { some: 'eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger', object: 'with', lots: 'of', stuff }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const obj0 = conditionIsTruthy ? shortThing : otherShortThing;
+
+const obj1 = conditionIsTruthy
+    ? { some: \\"long\\", object: \\"with\\", lots: \\"of\\", stuff }
+    : shortThing;
+
+const obj2 = conditionIsTruthy
+    ? shortThing
+    : { some: \\"long\\", object: \\"with\\", lots: \\"of\\", stuff };
+
+const obj3 = conditionIsTruthy
+    ? {
+          some: \\"eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger\\",
+          object: \\"with\\",
+          lots: \\"of\\",
+          stuff
+      }
+    : shortThing;
+
+const obj4 = conditionIsTruthy
+    ? shortThing
+    : {
+          some: \\"eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger\\",
+          object: \\"with\\",
+          lots: \\"of\\",
+          stuff
+      };
+
+const obj5 = conditionIsTruthy
+    ? { some: \\"long\\", object: \\"with\\", lots: \\"of\\", stuff }
+    : {
+          some: \\"eeeeeeeeeeeeven looooooooooooooooooooooooooooooonger\\",
+          object: \\"with\\",
+          lots: \\"of\\",
+          stuff
+      };
+"
+`;
diff --git a/tests/ternaries/jsfmt.spec.js b/tests/ternaries/jsfmt.spec.js
index 1ec983a6b..9a1c5daa6 100644
--- a/tests/ternaries/jsfmt.spec.js
+++ b/tests/ternaries/jsfmt.spec.js
@@ -1,2 +1,5 @@
 run_spec(__dirname);
 run_spec(__dirname, { tabWidth: 4 });
+
+run_spec(__dirname, {parser: 'typescript'});
+run_spec(__dirname, { parser: 'typescript', tabWidth: 4 });
\ No newline at end of file
diff --git a/tests/trailing_comma/__snapshots__/jsfmt.spec.js.snap b/tests/trailing_comma/__snapshots__/jsfmt.spec.js.snap
index d8964afae..dc2d9623a 100644
--- a/tests/trailing_comma/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/trailing_comma/__snapshots__/jsfmt.spec.js.snap
@@ -117,6 +117,123 @@ function send_single_email(
 "
 `;
 
+exports[`es5.js 4`] = `
+"function send_single_email(
+  app,
+  email_id,
+  email_address,
+  subject,
+  html,
+  reply_to
+) {
+  send_single_email_implementation(  app,
+  email_id,
+  email_address,
+  subject,
+  html,
+  reply_to);
+  return \\"nothing\\";
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function send_single_email(
+  app,
+  email_id,
+  email_address,
+  subject,
+  html,
+  reply_to
+) {
+  send_single_email_implementation(
+    app,
+    email_id,
+    email_address,
+    subject,
+    html,
+    reply_to
+  );
+  return \\"nothing\\";
+}
+"
+`;
+
+exports[`es5.js 5`] = `
+"function send_single_email(
+  app,
+  email_id,
+  email_address,
+  subject,
+  html,
+  reply_to
+) {
+  send_single_email_implementation(  app,
+  email_id,
+  email_address,
+  subject,
+  html,
+  reply_to);
+  return \\"nothing\\";
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function send_single_email(
+  app,
+  email_id,
+  email_address,
+  subject,
+  html,
+  reply_to,
+) {
+  send_single_email_implementation(
+    app,
+    email_id,
+    email_address,
+    subject,
+    html,
+    reply_to,
+  );
+  return \\"nothing\\";
+}
+"
+`;
+
+exports[`es5.js 6`] = `
+"function send_single_email(
+  app,
+  email_id,
+  email_address,
+  subject,
+  html,
+  reply_to
+) {
+  send_single_email_implementation(  app,
+  email_id,
+  email_address,
+  subject,
+  html,
+  reply_to);
+  return \\"nothing\\";
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function send_single_email(
+  app,
+  email_id,
+  email_address,
+  subject,
+  html,
+  reply_to
+) {
+  send_single_email_implementation(
+    app,
+    email_id,
+    email_address,
+    subject,
+    html,
+    reply_to
+  );
+  return \\"nothing\\";
+}
+"
+`;
+
 exports[`function-calls.js 1`] = `
 "const a = (param1, param2, param3) => {}
 
@@ -210,6 +327,99 @@ a(
 "
 `;
 
+exports[`function-calls.js 4`] = `
+"const a = (param1, param2, param3) => {}
+
+a('value', 'value2', 'value3');
+
+a(
+  'a-long-value',
+  'a-really-really-long-value',
+  'a-really-really-really-long-value',
+);
+
+a('value', 'value2', a('long-nested-value', 'long-nested-value2', 'long-nested-value3'));
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const a = (param1, param2, param3) => {};
+
+a(\\"value\\", \\"value2\\", \\"value3\\");
+
+a(
+  \\"a-long-value\\",
+  \\"a-really-really-long-value\\",
+  \\"a-really-really-really-long-value\\"
+);
+
+a(
+  \\"value\\",
+  \\"value2\\",
+  a(\\"long-nested-value\\", \\"long-nested-value2\\", \\"long-nested-value3\\")
+);
+"
+`;
+
+exports[`function-calls.js 5`] = `
+"const a = (param1, param2, param3) => {}
+
+a('value', 'value2', 'value3');
+
+a(
+  'a-long-value',
+  'a-really-really-long-value',
+  'a-really-really-really-long-value',
+);
+
+a('value', 'value2', a('long-nested-value', 'long-nested-value2', 'long-nested-value3'));
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const a = (param1, param2, param3) => {};
+
+a(\\"value\\", \\"value2\\", \\"value3\\");
+
+a(
+  \\"a-long-value\\",
+  \\"a-really-really-long-value\\",
+  \\"a-really-really-really-long-value\\",
+);
+
+a(
+  \\"value\\",
+  \\"value2\\",
+  a(\\"long-nested-value\\", \\"long-nested-value2\\", \\"long-nested-value3\\"),
+);
+"
+`;
+
+exports[`function-calls.js 6`] = `
+"const a = (param1, param2, param3) => {}
+
+a('value', 'value2', 'value3');
+
+a(
+  'a-long-value',
+  'a-really-really-long-value',
+  'a-really-really-really-long-value',
+);
+
+a('value', 'value2', a('long-nested-value', 'long-nested-value2', 'long-nested-value3'));
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const a = (param1, param2, param3) => {};
+
+a(\\"value\\", \\"value2\\", \\"value3\\");
+
+a(
+  \\"a-long-value\\",
+  \\"a-really-really-long-value\\",
+  \\"a-really-really-really-long-value\\"
+);
+
+a(
+  \\"value\\",
+  \\"value2\\",
+  a(\\"long-nested-value\\", \\"long-nested-value2\\", \\"long-nested-value3\\")
+);
+"
+`;
+
 exports[`object.js 1`] = `
 "const a = {
   b: true,
@@ -351,6 +561,147 @@ const aLong = {
 "
 `;
 
+exports[`object.js 4`] = `
+"const a = {
+  b: true,
+  c: {
+    c1: 'hello'
+  },
+  d: false
+};
+
+const aLong = {
+  bHasALongName: 'a-long-value',
+  cHasALongName: {
+    c1: 'a-really-long-value',
+    c2: 'a-really-really-long-value',
+  },
+  dHasALongName: 'a-long-value-too'
+};
+
+const aLong = {
+  dHasALongName: 'a-long-value-too',
+  eHasABooleanExpression: a === a,
+};
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const a = {
+  b: true,
+  c: {
+    c1: \\"hello\\"
+  },
+  d: false
+};
+
+const aLong = {
+  bHasALongName: \\"a-long-value\\",
+  cHasALongName: {
+    c1: \\"a-really-long-value\\",
+    c2: \\"a-really-really-long-value\\"
+  },
+  dHasALongName: \\"a-long-value-too\\"
+};
+
+const aLong = {
+  dHasALongName: \\"a-long-value-too\\",
+  eHasABooleanExpression: a === a
+};
+"
+`;
+
+exports[`object.js 5`] = `
+"const a = {
+  b: true,
+  c: {
+    c1: 'hello'
+  },
+  d: false
+};
+
+const aLong = {
+  bHasALongName: 'a-long-value',
+  cHasALongName: {
+    c1: 'a-really-long-value',
+    c2: 'a-really-really-long-value',
+  },
+  dHasALongName: 'a-long-value-too'
+};
+
+const aLong = {
+  dHasALongName: 'a-long-value-too',
+  eHasABooleanExpression: a === a,
+};
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const a = {
+  b: true,
+  c: {
+    c1: \\"hello\\",
+  },
+  d: false,
+};
+
+const aLong = {
+  bHasALongName: \\"a-long-value\\",
+  cHasALongName: {
+    c1: \\"a-really-long-value\\",
+    c2: \\"a-really-really-long-value\\",
+  },
+  dHasALongName: \\"a-long-value-too\\",
+};
+
+const aLong = {
+  dHasALongName: \\"a-long-value-too\\",
+  eHasABooleanExpression: a === a,
+};
+"
+`;
+
+exports[`object.js 6`] = `
+"const a = {
+  b: true,
+  c: {
+    c1: 'hello'
+  },
+  d: false
+};
+
+const aLong = {
+  bHasALongName: 'a-long-value',
+  cHasALongName: {
+    c1: 'a-really-long-value',
+    c2: 'a-really-really-long-value',
+  },
+  dHasALongName: 'a-long-value-too'
+};
+
+const aLong = {
+  dHasALongName: 'a-long-value-too',
+  eHasABooleanExpression: a === a,
+};
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const a = {
+  b: true,
+  c: {
+    c1: \\"hello\\",
+  },
+  d: false,
+};
+
+const aLong = {
+  bHasALongName: \\"a-long-value\\",
+  cHasALongName: {
+    c1: \\"a-really-long-value\\",
+    c2: \\"a-really-really-long-value\\",
+  },
+  dHasALongName: \\"a-long-value-too\\",
+};
+
+const aLong = {
+  dHasALongName: \\"a-long-value-too\\",
+  eHasABooleanExpression: a === a,
+};
+"
+`;
+
 exports[`trailing_whitespace.js 1`] = `
 "let example = [
   'FOO',
@@ -578,3 +929,231 @@ function supersupersupersuperLongF(
 }
 "
 `;
+
+exports[`trailing_whitespace.js 4`] = `
+"let example = [
+  'FOO',
+  'BAR',
+  // Comment
+];
+
+foo({},
+  // Comment
+);
+
+o = {
+  state,
+  // Comment
+};
+
+o = {
+  state,
+
+  // Comment
+};
+
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB
+  // Comment
+) {
+  a
+}
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB,
+  // Comment
+) {
+  a
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+let example = [
+  \\"FOO\\",
+  \\"BAR\\"
+  // Comment
+];
+
+foo(
+  {}
+  // Comment
+);
+
+o = {
+  state
+  // Comment
+};
+
+o = {
+  state
+
+  // Comment
+};
+
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB
+) // Comment
+{
+  a;
+}
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB
+) // Comment
+{
+  a;
+}
+"
+`;
+
+exports[`trailing_whitespace.js 5`] = `
+"let example = [
+  'FOO',
+  'BAR',
+  // Comment
+];
+
+foo({},
+  // Comment
+);
+
+o = {
+  state,
+  // Comment
+};
+
+o = {
+  state,
+
+  // Comment
+};
+
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB
+  // Comment
+) {
+  a
+}
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB,
+  // Comment
+) {
+  a
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+let example = [
+  \\"FOO\\",
+  \\"BAR\\",
+  // Comment
+];
+
+foo(
+  {},
+  // Comment
+);
+
+o = {
+  state,
+  // Comment
+};
+
+o = {
+  state,
+
+  // Comment
+};
+
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB,
+) // Comment
+{
+  a;
+}
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB,
+) // Comment
+{
+  a;
+}
+"
+`;
+
+exports[`trailing_whitespace.js 6`] = `
+"let example = [
+  'FOO',
+  'BAR',
+  // Comment
+];
+
+foo({},
+  // Comment
+);
+
+o = {
+  state,
+  // Comment
+};
+
+o = {
+  state,
+
+  // Comment
+};
+
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB
+  // Comment
+) {
+  a
+}
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB,
+  // Comment
+) {
+  a
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+let example = [
+  \\"FOO\\",
+  \\"BAR\\",
+  // Comment
+];
+
+foo(
+  {}
+  // Comment
+);
+
+o = {
+  state,
+  // Comment
+};
+
+o = {
+  state,
+
+  // Comment
+};
+
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB
+) // Comment
+{
+  a;
+}
+function supersupersupersuperLongF(
+  supersupersupersuperLongA,
+  supersupersupersuperLongB
+) // Comment
+{
+  a;
+}
+"
+`;
diff --git a/tests/trailing_comma/jsfmt.spec.js b/tests/trailing_comma/jsfmt.spec.js
index 8d420a89b..340e6fc24 100644
--- a/tests/trailing_comma/jsfmt.spec.js
+++ b/tests/trailing_comma/jsfmt.spec.js
@@ -1,3 +1,7 @@
 run_spec(__dirname);
 run_spec(__dirname, { trailingComma: "all" });
 run_spec(__dirname, { trailingComma: "es5" });
+// 
+run_spec(__dirname, {parser: 'typescript'});
+run_spec(__dirname, { parser: 'typescript', trailingComma: "all" });
+run_spec(__dirname, { parser: 'typescript', trailingComma: "es5" });
diff --git a/tests/try/__snapshots__/jsfmt.spec.js.snap b/tests/try/__snapshots__/jsfmt.spec.js.snap
index 54f365553..77187de16 100644
--- a/tests/try/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/try/__snapshots__/jsfmt.spec.js.snap
@@ -21,6 +21,27 @@ try {
 "
 `;
 
+exports[`empty.js 2`] = `
+"try {
+} catch (e) {
+}
+finally {
+}
+
+try {
+} catch (e) {
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+try {
+} catch (e) {
+} finally {
+}
+
+try {
+} catch (e) {}
+"
+`;
+
 exports[`try.js 1`] = `
 "try
 /* missing comment */
@@ -33,3 +54,16 @@ try {
 }
 "
 `;
+
+exports[`try.js 2`] = `
+"try
+/* missing comment */
+{;}
+finally {}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+try {
+  /* missing comment */
+} finally {
+}
+"
+`;
diff --git a/tests/try/jsfmt.spec.js b/tests/try/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/try/jsfmt.spec.js
+++ b/tests/try/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/unary/__snapshots__/jsfmt.spec.js.snap b/tests/unary/__snapshots__/jsfmt.spec.js.snap
index ff9113c2e..1868258ab 100644
--- a/tests/unary/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/unary/__snapshots__/jsfmt.spec.js.snap
@@ -13,6 +13,19 @@ state = {
 "
 `;
 
+exports[`object.js 2`] = `
+"state = {
+  // students
+  hoverColumn: -1
+};
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+state = {
+  // students
+  hoverColumn: -1
+};
+"
+`;
+
 exports[`series.js 1`] = `
 "1 + ++x;
 1 + x++;
@@ -51,3 +64,42 @@ x-- - 1;
 --x - 1;
 "
 `;
+
+exports[`series.js 2`] = `
+"1 + ++x;
+1 + x++;
+
++ ++x;
++ x++;
+
+x++ + 1;
+++x + 1;
+
+1 - --x;
+1 - x--;
+
+- --x;
+- x--;
+
+x-- - 1;
+--x - 1;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+1 + ++x;
+1 + x++;
+
++(++x);
++x++;
+
+x++ + 1;
+++x + 1;
+
+1 - --x;
+1 - x--;
+
+-(--x);
+-x--;
+
+x-- - 1;
+--x - 1;
+"
+`;
diff --git a/tests/unary/jsfmt.spec.js b/tests/unary/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/unary/jsfmt.spec.js
+++ b/tests/unary/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/unary_expression/__snapshots__/jsfmt.spec.js.snap b/tests/unary_expression/__snapshots__/jsfmt.spec.js.snap
index 3fceaa163..d23cc4c30 100644
--- a/tests/unary_expression/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/unary_expression/__snapshots__/jsfmt.spec.js.snap
@@ -20,3 +20,24 @@ x * +y;
 +x * y;
 "
 `;
+
+exports[`urnary_expression.js 2`] = `
+"!!x
+x++
+x--;
+-+1;
+x + + + + 1;
+x + (+ (+ (+ 1)))
+x * +y;
++x * y;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!x;
+x++;
+x--;
+-+1;
+x + +(+(+1));
+x + +(+(+1));
+x * +y;
++x * y;
+"
+`;
diff --git a/tests/unary_expression/jsfmt.spec.js b/tests/unary_expression/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/unary_expression/jsfmt.spec.js
+++ b/tests/unary_expression/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/update_expression/__snapshots__/jsfmt.spec.js.snap b/tests/update_expression/__snapshots__/jsfmt.spec.js.snap
index ee0cc47f6..1d0217054 100644
--- a/tests/update_expression/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/update_expression/__snapshots__/jsfmt.spec.js.snap
@@ -12,3 +12,16 @@ new (r++)();
 const uuid = String(this._uuidCounter++);
 "
 `;
+
+exports[`update_expression.js 2`] = `
+"(this.x++).toString()
+new (r++);
+(x++)();
+const uuid = String(this._uuidCounter++);
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+(this.x++).toString();
+new (r++)();
+(x++)();
+const uuid = String(this._uuidCounter++);
+"
+`;
diff --git a/tests/update_expression/jsfmt.spec.js b/tests/update_expression/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/update_expression/jsfmt.spec.js
+++ b/tests/update_expression/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/while/__snapshots__/jsfmt.spec.js.snap b/tests/while/__snapshots__/jsfmt.spec.js.snap
index 6c6ff4bbe..11d7214bb 100644
--- a/tests/while/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/while/__snapshots__/jsfmt.spec.js.snap
@@ -20,3 +20,24 @@ while (
 }
 "
 `;
+
+exports[`indent.js 2`] = `
+"if (someVeryLongStringA && someVeryLongStringB && someVeryLongStringC && someVeryLongStringD) {}
+while (someVeryLongStringA && someVeryLongStringB && someVeryLongStringC && someVeryLongStringD) {}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+if (
+  someVeryLongStringA &&
+  someVeryLongStringB &&
+  someVeryLongStringC &&
+  someVeryLongStringD
+) {
+}
+while (
+  someVeryLongStringA &&
+  someVeryLongStringB &&
+  someVeryLongStringC &&
+  someVeryLongStringD
+) {
+}
+"
+`;
diff --git a/tests/while/jsfmt.spec.js b/tests/while/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/while/jsfmt.spec.js
+++ b/tests/while/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/windows/__snapshots__/jsfmt.spec.js.snap b/tests/windows/__snapshots__/jsfmt.spec.js.snap
index 5892fe8ee..6b0016a15 100644
--- a/tests/windows/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/windows/__snapshots__/jsfmt.spec.js.snap
@@ -14,3 +14,18 @@ line;
 endings;
 "
 `;
+
+exports[`line-ending.js 2`] = `
+"this;
+has;
+windows;
+line;
+endings;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+this;
+has;
+windows;
+line;
+endings;
+"
+`;
diff --git a/tests/windows/jsfmt.spec.js b/tests/windows/jsfmt.spec.js
index 989047bcc..1161d7bfb 100644
--- a/tests/windows/jsfmt.spec.js
+++ b/tests/windows/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname);
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/tests/yield/__snapshots__/jsfmt.spec.js.snap b/tests/yield/__snapshots__/jsfmt.spec.js.snap
index b76a92b37..f2dee0e07 100644
--- a/tests/yield/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/yield/__snapshots__/jsfmt.spec.js.snap
@@ -42,3 +42,46 @@ async function f() {
 }
 "
 `;
+
+exports[`conditional.js 2`] = `
+"function* f() {
+  a = (yield) ? 1 : 1;
+  a = yield 1 ? 1 : 1;
+  a = (yield 1) ? 1 : 1;
+  a = 1 ? yield : yield;
+  a = 1 ? yield 1 : yield 1;
+}
+
+function* f() {
+  a = yield* 1 ? 1 : 1;
+  a = (yield* 1) ? 1 : 1;
+  a = 1 ? yield* 1 : yield* 1;
+}
+
+async function f() {
+  a = await 1 ? 1 : 1;
+  a = (await 1) ? 1 : 1;
+  a = 1 ? await 1 : await 1;
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function* f() {
+  a = (yield) ? 1 : 1;
+  a = yield 1 ? 1 : 1;
+  a = (yield 1) ? 1 : 1;
+  a = 1 ? yield : yield;
+  a = 1 ? yield 1 : yield 1;
+}
+
+function* f() {
+  a = yield* 1 ? 1 : 1;
+  a = (yield* 1) ? 1 : 1;
+  a = 1 ? yield* 1 : yield* 1;
+}
+
+async function f() {
+  a = (await 1) ? 1 : 1;
+  a = (await 1) ? 1 : 1;
+  a = 1 ? await 1 : await 1;
+}
+"
+`;
diff --git a/tests/yield/jsfmt.spec.js b/tests/yield/jsfmt.spec.js
index 939578260..551601bd1 100644
--- a/tests/yield/jsfmt.spec.js
+++ b/tests/yield/jsfmt.spec.js
@@ -1 +1,2 @@
 run_spec(__dirname, {parser: 'babylon'});
+run_spec(__dirname, {parser: 'typescript'});
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 38a64355b..35ce20180 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,10 +2,6 @@
 # yarn lockfile v1
 
 
-"@comandeer/babel-plugin-banner@^1.0.0":
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/@comandeer/babel-plugin-banner/-/babel-plugin-banner-1.0.0.tgz#40bcce0bbee084b5b02545a33635d053c248356f"
-
 abab@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/abab/-/abab-1.0.3.tgz#b81de5f7274ec4e756d797cd834f303642724e5d"
@@ -151,7 +147,7 @@ babel-code-frame@6.22.0, babel-code-frame@^6.20.0:
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-babel-core@^6.0.0, babel-core@^6.18.0, babel-core@^6.21.0:
+babel-core@^6.0.0, babel-core@^6.18.0:
   version "6.21.0"
   resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.21.0.tgz#75525480c21c803f826ef3867d22c19f080a3724"
   dependencies:
@@ -187,30 +183,6 @@ babel-generator@^6.18.0, babel-generator@^6.21.0:
     lodash "^4.2.0"
     source-map "^0.5.0"
 
-babel-helper-evaluate-path@^0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/babel-helper-evaluate-path/-/babel-helper-evaluate-path-0.0.3.tgz#1d103ac9d4a59e5d431842212f151785f7ac547b"
-
-babel-helper-flip-expressions@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-flip-expressions/-/babel-helper-flip-expressions-0.0.1.tgz#c2ba1599426e7928333fd5c08eee6cdf8328c848"
-
-babel-helper-is-nodes-equiv@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-is-nodes-equiv/-/babel-helper-is-nodes-equiv-0.0.1.tgz#34e9b300b1479ddd98ec77ea0bbe9342dfe39684"
-
-babel-helper-is-void-0@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-is-void-0/-/babel-helper-is-void-0-0.0.1.tgz#ed74553b883e68226ae45f989a99b02c190f105a"
-
-babel-helper-remove-or-void@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/babel-helper-remove-or-void/-/babel-helper-remove-or-void-0.0.1.tgz#f602790e465acf2dfbe84fb3dd210c43a2dd7262"
-
-babel-helper-to-multiple-sequence-expressions@^0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/babel-helper-to-multiple-sequence-expressions/-/babel-helper-to-multiple-sequence-expressions-0.0.2.tgz#07d5d2e674aa62962ac9e0000b539920c301c4b9"
-
 babel-helpers@^6.16.0:
   version "6.16.0"
   resolved "https://registry.yarnpkg.com/babel-helpers/-/babel-helpers-6.16.0.tgz#1095ec10d99279460553e67eb3eee9973d3867e3"
@@ -244,128 +216,6 @@ babel-plugin-jest-hoist@^19.0.0:
   version "19.0.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-19.0.0.tgz#4ae2a04ea612a6e73651f3fde52c178991304bea"
 
-babel-plugin-minify-constant-folding@^0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/babel-plugin-minify-constant-folding/-/babel-plugin-minify-constant-folding-0.0.3.tgz#a511e839562489811987a7a503c43c312c40138a"
-  dependencies:
-    babel-helper-evaluate-path "^0.0.3"
-
-babel-plugin-minify-dead-code-elimination@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-minify-dead-code-elimination/-/babel-plugin-minify-dead-code-elimination-0.1.1.tgz#1a0133fcd06c7fa477b01c193ba3213c8944ff01"
-  dependencies:
-    babel-helper-remove-or-void "^0.0.1"
-    lodash.some "^4.6.0"
-
-babel-plugin-minify-flip-comparisons@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-minify-flip-comparisons/-/babel-plugin-minify-flip-comparisons-0.0.1.tgz#679f4493a692afc705c4b79fde1dadb535c4eb08"
-  dependencies:
-    babel-helper-is-void-0 "^0.0.1"
-
-babel-plugin-minify-guarded-expressions@^0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/babel-plugin-minify-guarded-expressions/-/babel-plugin-minify-guarded-expressions-0.0.3.tgz#6da1caa0b6abda964647377bd5e19afdbf91cae8"
-  dependencies:
-    babel-helper-flip-expressions "^0.0.1"
-
-babel-plugin-minify-infinity@^0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/babel-plugin-minify-infinity/-/babel-plugin-minify-infinity-0.0.3.tgz#4cc99b61d12b434ce80ad675103335c589cba9a1"
-
-babel-plugin-minify-mangle-names@^0.0.5:
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/babel-plugin-minify-mangle-names/-/babel-plugin-minify-mangle-names-0.0.5.tgz#53e4905de90a215622012cc003c3e0d5bdf18a8a"
-
-babel-plugin-minify-numeric-literals@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-minify-numeric-literals/-/babel-plugin-minify-numeric-literals-0.0.1.tgz#9597e6c31154d7daf3744d0bd417c144b275bd53"
-
-babel-plugin-minify-replace@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-minify-replace/-/babel-plugin-minify-replace-0.0.1.tgz#5d5aea7cb9899245248d1ee9ce7a2fe556a8facc"
-
-babel-plugin-minify-simplify@^0.0.5:
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/babel-plugin-minify-simplify/-/babel-plugin-minify-simplify-0.0.5.tgz#71d1de1993a138282c679aad74060829b2b13ed2"
-  dependencies:
-    babel-helper-flip-expressions "^0.0.1"
-    babel-helper-is-nodes-equiv "^0.0.1"
-    babel-helper-to-multiple-sequence-expressions "^0.0.2"
-
-babel-plugin-minify-type-constructors@^0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/babel-plugin-minify-type-constructors/-/babel-plugin-minify-type-constructors-0.0.2.tgz#4f9a28951e776f31ac11a29cd58cf9eef8b2e292"
-  dependencies:
-    babel-helper-is-void-0 "^0.0.1"
-
-babel-plugin-transform-member-expression-literals@^6.8.0:
-  version "6.8.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-member-expression-literals/-/babel-plugin-transform-member-expression-literals-6.8.0.tgz#718755a70492a895d8f41810afa9998bc09f57b9"
-  dependencies:
-    babel-runtime "^6.0.0"
-
-babel-plugin-transform-merge-sibling-variables@^6.8.0:
-  version "6.8.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-merge-sibling-variables/-/babel-plugin-transform-merge-sibling-variables-6.8.0.tgz#724074e4ef78b601fcf9a34165c972a1b6117e99"
-  dependencies:
-    babel-runtime "^6.0.0"
-
-babel-plugin-transform-minify-booleans@^6.8.0:
-  version "6.8.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-minify-booleans/-/babel-plugin-transform-minify-booleans-6.8.0.tgz#b1a48864a727847696b84eae36fa4d085a54b42b"
-  dependencies:
-    babel-runtime "^6.0.0"
-
-babel-plugin-transform-property-literals@^6.8.0:
-  version "6.8.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-property-literals/-/babel-plugin-transform-property-literals-6.8.0.tgz#a65b2e6e1274d25df0f3a4c5e85bc8f1cdd9e019"
-  dependencies:
-    babel-runtime "^6.0.0"
-
-babel-plugin-transform-regexp-constructors@^0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-regexp-constructors/-/babel-plugin-transform-regexp-constructors-0.0.3.tgz#463200d8371a06f077226b967858369211b5cfe3"
-
-babel-plugin-transform-remove-undefined@^0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-remove-undefined/-/babel-plugin-transform-remove-undefined-0.0.3.tgz#34baeb7bde4fc01d5235304ee891e7b6bff00432"
-
-babel-plugin-transform-simplify-comparison-operators@^6.8.0:
-  version "6.8.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-simplify-comparison-operators/-/babel-plugin-transform-simplify-comparison-operators-6.8.0.tgz#0183d65bfdc54c80d922a3a9b3008e25fa9d32a7"
-  dependencies:
-    babel-runtime "^6.0.0"
-
-babel-plugin-transform-undefined-to-void@^6.8.0:
-  version "6.8.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-undefined-to-void/-/babel-plugin-transform-undefined-to-void-6.8.0.tgz#bc5b6b4908d3b1262170e67cb3963903ddce167e"
-  dependencies:
-    babel-runtime "^6.0.0"
-
-babel-preset-babili@0.0.9:
-  version "0.0.9"
-  resolved "https://registry.yarnpkg.com/babel-preset-babili/-/babel-preset-babili-0.0.9.tgz#699f08703ff1c84f4f6c229ffe5662c8f1861bf2"
-  dependencies:
-    babel-plugin-minify-constant-folding "^0.0.3"
-    babel-plugin-minify-dead-code-elimination "^0.1.1"
-    babel-plugin-minify-flip-comparisons "^0.0.1"
-    babel-plugin-minify-guarded-expressions "^0.0.3"
-    babel-plugin-minify-infinity "^0.0.3"
-    babel-plugin-minify-mangle-names "^0.0.5"
-    babel-plugin-minify-numeric-literals "^0.0.1"
-    babel-plugin-minify-replace "^0.0.1"
-    babel-plugin-minify-simplify "^0.0.5"
-    babel-plugin-minify-type-constructors "^0.0.2"
-    babel-plugin-transform-member-expression-literals "^6.8.0"
-    babel-plugin-transform-merge-sibling-variables "^6.8.0"
-    babel-plugin-transform-minify-booleans "^6.8.0"
-    babel-plugin-transform-property-literals "^6.8.0"
-    babel-plugin-transform-regexp-constructors "^0.0.3"
-    babel-plugin-transform-remove-undefined "^0.0.3"
-    babel-plugin-transform-simplify-comparison-operators "^6.8.0"
-    babel-plugin-transform-undefined-to-void "^6.8.0"
-
 babel-preset-jest@^19.0.0:
   version "19.0.0"
   resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-19.0.0.tgz#22d67201d02324a195811288eb38294bb3cac396"
@@ -1602,9 +1452,15 @@ locate-path@^2.0.0:
     p-locate "^2.0.0"
     path-exists "^3.0.0"
 
-lodash.some@^4.6.0:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/lodash.some/-/lodash.some-4.6.0.tgz#1bb9f314ef6b8baded13b549169b2a945eb68e4d"
+lodash.tostring@^4.0.0:
+  version "4.1.4"
+  resolved "https://registry.yarnpkg.com/lodash.tostring/-/lodash.tostring-4.1.4.tgz#560c27d1f8eadde03c2cce198fef5c031d8298fb"
+
+lodash.unescape@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/lodash.unescape/-/lodash.unescape-4.0.0.tgz#36debfc492b81478471ef974cd3783e202eb6cef"
+  dependencies:
+    lodash.tostring "^4.0.0"
 
 lodash@^4.14.0, lodash@^4.2.0:
   version "4.17.4"
@@ -1747,7 +1603,7 @@ oauth-sign@~0.8.1:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
-object-assign@^4.1.0:
+object-assign@^4.0.1, object-assign@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.0.tgz#7a3b3d0e98063d43f4c03f2e8ae6cd51a86883a0"
 
@@ -2076,14 +1932,6 @@ rollup-plugin-node-resolve@2.0.0:
     builtin-modules "^1.1.0"
     resolve "^1.1.6"
 
-rollup-plugin-real-babili@1.0.0-alpha3:
-  version "1.0.0-alpha3"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-real-babili/-/rollup-plugin-real-babili-1.0.0-alpha3.tgz#11f7dff284726c18d925da5eb0aff783cc45e305"
-  dependencies:
-    "@comandeer/babel-plugin-banner" "^1.0.0"
-    babel-core "^6.21.0"
-    babel-preset-babili "0.0.9"
-
 rollup-pluginutils@^1.5.1, rollup-pluginutils@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz#1e156e778f94b7255bfa1b3d0178be8f5c552408"
@@ -2290,6 +2138,17 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
+"typescript-eslint-parser@git://github.com/eslint/typescript-eslint-parser.git#215a012ec4d272939fa5a57d0231d22fb7f7a9e0":
+  version "2.0.0"
+  resolved "git://github.com/eslint/typescript-eslint-parser.git#215a012ec4d272939fa5a57d0231d22fb7f7a9e0"
+  dependencies:
+    lodash.unescape "4.0.0"
+    object-assign "^4.0.1"
+
+typescript@2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.2.1.tgz#4862b662b988a4c8ff691cc7969622d24db76ae9"
+
 uglify-js@^2.6:
   version "2.7.5"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.7.5.tgz#4612c0c7baaee2ba7c487de4904ae122079f2ca8"