From c9ecec82191f1d1790fcec56efbcf6df2d4eaebc Mon Sep 17 00:00:00 2001
From: Mike Cousins <mike@opentrons.com>
Date: Tue, 12 Mar 2019 13:18:30 -0400
Subject: [PATCH] build(babel): Add optional chaining proposal to babel config

---
 .flowconfig                                       |  1 +
 .../AppSettings/AdvancedSettingsCard.js           |  5 +----
 babel.config.js                                   |  1 +
 package.json                                      |  1 +
 yarn.lock                                         | 15 +++++++++++++++
 5 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/.flowconfig b/.flowconfig
index b3157c5529d..fac7f6c720a 100644
--- a/.flowconfig
+++ b/.flowconfig
@@ -20,5 +20,6 @@ shared-data/definitions2/.*
 [options]
 module.name_mapper.extension='css' -> '@opentrons/components/interfaces/CSSModule.js'
 merge_timeout=300
+esproposal.optional_chaining=enable
 
 [strict]
diff --git a/app/src/components/AppSettings/AdvancedSettingsCard.js b/app/src/components/AppSettings/AdvancedSettingsCard.js
index 836a2fb9103..efb42483881 100644
--- a/app/src/components/AppSettings/AdvancedSettingsCard.js
+++ b/app/src/components/AppSettings/AdvancedSettingsCard.js
@@ -100,14 +100,11 @@ function AdvancedSettingsCard (props: Props) {
 
 function mapStateToProps (state: State): SP {
   const config = getConfig(state)
-  const __ffShowManualIp = config.devInternal
-    ? !!config.devInternal.manualIp
-    : false
 
   return {
     devToolsOn: config.devtools,
     channel: config.update.channel,
-    __ffShowManualIp: __ffShowManualIp,
+    __ffShowManualIp: Boolean(config.devInternal?.manualIp),
   }
 }
 
diff --git a/babel.config.js b/babel.config.js
index 7fbf33af119..d230b660a40 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -18,6 +18,7 @@ module.exports = {
   plugins: [
     '@babel/plugin-proposal-object-rest-spread',
     '@babel/plugin-proposal-class-properties',
+    '@babel/plugin-proposal-optional-chaining',
   ],
   presets: ['@babel/preset-flow', '@babel/preset-react', PRESET_ENV_NO_MODULES],
   overrides: [
diff --git a/package.json b/package.json
index 5a89c183d49..9c36c342ea3 100755
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "@babel/core": "^7.2.0",
     "@babel/plugin-proposal-class-properties": "^7.2.1",
     "@babel/plugin-proposal-object-rest-spread": "^7.2.0",
+    "@babel/plugin-proposal-optional-chaining": "^7.2.0",
     "@babel/plugin-transform-modules-commonjs": "^7.2.0",
     "@babel/preset-env": "^7.2.0",
     "@babel/preset-flow": "^7.0.0",
diff --git a/yarn.lock b/yarn.lock
index e945c5ae4b6..821960a6340 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -328,6 +328,14 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-optional-catch-binding" "^7.2.0"
 
+"@babel/plugin-proposal-optional-chaining@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.2.0.tgz#ae454f4c21c6c2ce8cb2397dc332ae8b420c5441"
+  integrity sha512-ea3Q6edZC/55wEBVZAEz42v528VulyO0eir+7uky/sT4XRcdkWJcFi1aPtitTlwUzGnECWJNExWww1SStt+yWw==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-syntax-optional-chaining" "^7.2.0"
+
 "@babel/plugin-proposal-unicode-property-regex@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.2.0.tgz#abe7281fe46c95ddc143a65e5358647792039520"
@@ -372,6 +380,13 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
+"@babel/plugin-syntax-optional-chaining@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-chaining/-/plugin-syntax-optional-chaining-7.2.0.tgz#a59d6ae8c167e7608eaa443fda9fa8fa6bf21dff"
+  integrity sha512-HtGCtvp5Uq/jH/WNUPkK6b7rufnCPLLlDAFN7cmACoIjaOOiXxUt3SswU5loHqrhtqTsa/WoLQ1OQ1AGuZqaWA==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+
 "@babel/plugin-transform-arrow-functions@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.2.0.tgz#9aeafbe4d6ffc6563bf8f8372091628f00779550"