From 5c576017693a2efd37d656a5e263d64692da982a Mon Sep 17 00:00:00 2001
From: David Aurelio <davidaurelio@fb.com>
Date: Wed, 14 Jun 2017 09:25:53 -0700
Subject: [PATCH] Remove `retainLines` and `sourceMaps` options

Summary:
`retainLines` is no longer necessary with the much improved source map generation.
`sourceMaps` is handled by the transformer itself.

Reviewed By: cpojer

Differential Revision: D5237103

fbshipit-source-id: e5c6bf5aa9d553fce9c3f4d59b3ea0057d45cfdc
---
 babel-preset/configs/main.js | 2 --
 babel-preset/package.json    | 2 +-
 jest/preprocessor.js         | 1 +
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/babel-preset/configs/main.js b/babel-preset/configs/main.js
index 7da378c6185956..da3435705e308d 100644
--- a/babel-preset/configs/main.js
+++ b/babel-preset/configs/main.js
@@ -40,8 +40,6 @@ var preset = {
     ['transform-es2015-for-of', { loose: true }],
     require('../transforms/transform-symbol-member'),
   ]),
-  retainLines: true,
-  sourceMaps: false,
 };
 
 var env = process.env.BABEL_ENV || process.env.NODE_ENV;
diff --git a/babel-preset/package.json b/babel-preset/package.json
index 7e88fee5d4c56e..7ccd20627a67b2 100644
--- a/babel-preset/package.json
+++ b/babel-preset/package.json
@@ -1,6 +1,6 @@
 {
   "name": "babel-preset-react-native",
-  "version": "1.9.2",
+  "version": "2.0.0-alpha.1",
   "description": "Babel preset for React Native applications",
   "main": "index.js",
   "repository": "https://github.com/facebook/react-native/tree/master/babel-preset",
diff --git a/jest/preprocessor.js b/jest/preprocessor.js
index b1a71d7b0a0a3e..bd84bd5b8a8714 100644
--- a/jest/preprocessor.js
+++ b/jest/preprocessor.js
@@ -39,6 +39,7 @@ module.exports = {
         inlineRequires: true,
         platform: '',
         projectRoot: '',
+        retainLines: true,
       },
       src,
     }).code;