Upgrade to ts2.5.3-insiders (#2842)

package.json

@@ -40,7 +40,7 @@
     "postcss-selector-parser": "2.2.3",
     "postcss-values-parser": "git://github.com/lydell/postcss-values-parser.git#af2c80b2bb558a6e7d61540d97f068f9fa162b38",
     "strip-bom": "3.0.0",
-    "typescript": "2.5.1",
+    "typescript": "2.5.3",
     "typescript-eslint-parser": "git://github.com/eslint/typescript-eslint-parser.git#9c71a627da36e97da52ed2731d58509c952b67ae"
   },
   "devDependencies": {

tests/typescript_arrow/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,22 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`arrow_regression.js 1`] = `
+const bar = (...varargs:any[]) => {
+  console.log(varargs);
+};
+
+const foo = (x:string):void => (
+  bar(
+    x,
+    () => {},
+    () => {}
+  )
+);
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const bar = (...varargs: any[]) => {
+  console.log(varargs);
+};
+
+const foo = (x: string): void => bar(x, () => {}, () => {});
+
+`;

tests/typescript_arrow/arrow_regression.js

@@ -0,0 +1,11 @@
+const bar = (...varargs:any[]) => {
+  console.log(varargs);
+};
+
+const foo = (x:string):void => (
+  bar(
+    x,
+    () => {},
+    () => {}
+  )
+);

tests/typescript_arrow/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname, { parser: "typescript" });

yarn.lock

@@ -4053,9 +4053,9 @@ typedarray@^0.0.6:
     lodash.unescape "4.0.1"
     semver "5.4.1"
 
-typescript@2.5.1:
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.5.1.tgz#ce7cc93ada3de19475cc9d17e3adea7aee1832aa"
+typescript@2.5.3:
+  version "2.5.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.5.3.tgz#df3dcdc38f3beb800d4bc322646b04a3f6ca7f0d"
 
 uglify-es@3.0.15:
   version "3.0.15"