From 7fae52c0a267d8968adaca142de6ba09b8c560ba Mon Sep 17 00:00:00 2001
From: Bruno Lemos <brunolemos@users.noreply.github.com>
Date: Mon, 22 Oct 2018 15:51:32 -0300
Subject: [PATCH] Use TypeScript parser to read tsconfig.json (#5532)

---
 scripts/utils/verifyTypeScriptSetup.js | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/scripts/utils/verifyTypeScriptSetup.js b/scripts/utils/verifyTypeScriptSetup.js
index b2f37244919..2205d56634e 100644
--- a/scripts/utils/verifyTypeScriptSetup.js
+++ b/scripts/utils/verifyTypeScriptSetup.js
@@ -52,10 +52,11 @@ function verifyTypeScriptSetup() {
   const isYarn = fs.existsSync(paths.yarnLockFile);
 
   // Ensure typescript is installed
+  let ts;
   try {
-    resolve.sync('typescript', {
+    ts = require(resolve.sync('typescript', {
       basedir: paths.appNodeModules,
-    });
+    }));
   } catch (_) {
     console.error(
       chalk.red(
@@ -88,7 +89,16 @@ function verifyTypeScriptSetup() {
   const messages = [];
   let tsconfig;
   try {
-    tsconfig = require(paths.appTsConfig);
+    const { config, error } = ts.readConfigFile(
+      paths.appTsConfig,
+      ts.sys.readFile
+    );
+
+    if (error) {
+      throw error;
+    }
+
+    tsconfig = config;
   } catch (_) {
     console.error(
       chalk.red.bold(