From 1ab41c3eabc0b14fe4afa8a9b29c4907409144a7 Mon Sep 17 00:00:00 2001
From: Christian Gonzalez <christianjordangonzalez@gmail.com>
Date: Sat, 3 Mar 2018 00:37:16 -0800
Subject: [PATCH] Set compact to false to avoid Babel warnings on large files
 (Fixes #5703) (#5704)

* Set compact false for babel

* Push changelog update

* Add compact flag to babel-jest as well, fix lint errors

* Be consistent and set compact to false in both places
---
 CHANGELOG.md                                    | 2 ++
 packages/babel-jest/src/index.js                | 1 +
 packages/jest-runtime/src/script_transformer.js | 1 +
 3 files changed, 4 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd0076cb3b8f..43854874a7c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,6 +27,8 @@
   ([#5696](https://github.com/facebook/jest/pull/5696))
 * `[expect]` Fix rejects.not matcher
   ([#5670](https://github.com/facebook/jest/pull/5670))
+* `[jest-runtime]` Prevent Babel warnings on large files
+  ([#5702](https://github.com/facebook/jest/pull/5702))
 
 ### Chore & Maintenance
 
diff --git a/packages/babel-jest/src/index.js b/packages/babel-jest/src/index.js
index 34ea2f1d2886..223ce85a56f9 100644
--- a/packages/babel-jest/src/index.js
+++ b/packages/babel-jest/src/index.js
@@ -72,6 +72,7 @@ const createTransformer = (options: any): Transformer => {
   };
 
   options = Object.assign({}, options, {
+    compact: false,
     plugins: (options && options.plugins) || [],
     presets: ((options && options.presets) || []).concat([jestPreset]),
     sourceMaps: 'both',
diff --git a/packages/jest-runtime/src/script_transformer.js b/packages/jest-runtime/src/script_transformer.js
index cdddfb5b531f..0f5890e55934 100644
--- a/packages/jest-runtime/src/script_transformer.js
+++ b/packages/jest-runtime/src/script_transformer.js
@@ -158,6 +158,7 @@ export default class ScriptTransformer {
         [
           babelPluginIstanbul,
           {
+            compact: false,
             // files outside `cwd` will not be instrumented
             cwd: this._config.rootDir,
             exclude: [],