From f97e2d2853559e2bbc7d69341c6422262f3000e4 Mon Sep 17 00:00:00 2001
From: Caleb <inchristalway-tech4him@yahoo.com>
Date: Wed, 14 Feb 2018 12:49:47 -0700
Subject: [PATCH] Fix build for Gatsby (WebPack v1).

WebPack version 1, which Gatsby is using, has the Acorn parser set to
parse ES6 and lower. The latest version of WebPack supports parsing up
to ES2017 and lower (webpack/lib/Parser.js), but Gatsby isn't using it.
---
 .babelrc     |  7 ++++++-
 package.json |  2 ++
 yarn.lock    | 17 +++++++++++++++--
 3 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/.babelrc b/.babelrc
index 8b37840c..206abea2 100644
--- a/.babelrc
+++ b/.babelrc
@@ -14,7 +14,12 @@
         ]
       }
     }],
-    "react"
+    "react",
+    /**
+     * Support WebPack version 1.
+     */
+    "es2016",
+    "es2017",
   ],
   "plugins": [
     "lodash",
diff --git a/package.json b/package.json
index 28664beb..4869f3a4 100644
--- a/package.json
+++ b/package.json
@@ -85,6 +85,8 @@
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
     "babel-plugin-transform-runtime": "^6.23.0",
     "babel-preset-env": "^1.6.0",
+    "babel-preset-es2016": "^6.24.1",
+    "babel-preset-es2017": "^6.24.1",
     "babel-preset-react": "^6.23.0",
     "babel-runtime": "^6.23.0",
     "cross-env": "^5.0.2",
diff --git a/yarn.lock b/yarn.lock
index 9ff3d90c..70bc6716 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -638,7 +638,7 @@ babel-plugin-syntax-trailing-function-commas@^6.22.0:
   version "6.22.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-trailing-function-commas/-/babel-plugin-syntax-trailing-function-commas-6.22.0.tgz#ba0360937f8d06e40180a43fe0d5616fff532cf3"
 
-babel-plugin-transform-async-to-generator@^6.22.0:
+babel-plugin-transform-async-to-generator@^6.22.0, babel-plugin-transform-async-to-generator@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-async-to-generator/-/babel-plugin-transform-async-to-generator-6.24.1.tgz#6536e378aff6cb1d5517ac0e40eb3e9fc8d08761"
   dependencies:
@@ -830,7 +830,7 @@ babel-plugin-transform-es2015-unicode-regex@^6.22.0:
     babel-runtime "^6.22.0"
     regexpu-core "^2.0.0"
 
-babel-plugin-transform-exponentiation-operator@^6.22.0:
+babel-plugin-transform-exponentiation-operator@^6.22.0, babel-plugin-transform-exponentiation-operator@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-exponentiation-operator/-/babel-plugin-transform-exponentiation-operator-6.24.1.tgz#2ab0c9c7f3098fa48907772bb813fe41e8de3a0e"
   dependencies:
@@ -949,6 +949,19 @@ babel-preset-env@^1.6.0:
     invariant "^2.2.2"
     semver "^5.3.0"
 
+babel-preset-es2016@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-preset-es2016/-/babel-preset-es2016-6.24.1.tgz#f900bf93e2ebc0d276df9b8ab59724ebfd959f8b"
+  dependencies:
+    babel-plugin-transform-exponentiation-operator "^6.24.1"
+
+babel-preset-es2017@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-preset-es2017/-/babel-preset-es2017-6.24.1.tgz#597beadfb9f7f208bcfd8a12e9b2b29b8b2f14d1"
+  dependencies:
+    babel-plugin-syntax-trailing-function-commas "^6.22.0"
+    babel-plugin-transform-async-to-generator "^6.24.1"
+
 babel-preset-flow@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-preset-flow/-/babel-preset-flow-6.23.0.tgz#e71218887085ae9a24b5be4169affb599816c49d"