diff --git a/package.json b/package.json
index 1a89123..d9df011 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "print-js",
   "homepage": "http://printjs.crabbly.com",
   "description": "A tiny javascript library to help printing from the web.",
-  "version": "1.0.48",
+  "version": "1.0.49",
   "main": "dist/print.js",
   "repository": "https://github.com/crabbly/Print.js",
   "license": "MIT",
@@ -10,6 +10,7 @@
   "devDependencies": {
     "babel-core": "^6.26.3",
     "babel-loader": "^7.1.5",
+    "babel-preset-env": "^1.7.0",
     "css-loader": "^1.0.0",
     "mini-css-extract-plugin": "^0.4.1",
     "node-sass": "^4.9.3",
diff --git a/webpack.config.js b/webpack.config.js
index 6e2a42d..55fbcf2 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -18,7 +18,10 @@ module.exports = {
         test: /\.js$/,
         exclude: /node_modules/,
         use: {
-          loader: 'babel-loader'
+          loader: 'babel-loader',
+          options: {
+            presets: ['env']
+          }
         }
       },
       {
diff --git a/yarn.lock b/yarn.lock
index efc98fc..de0d98b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -395,6 +395,100 @@ babel-generator@^6.26.0:
     source-map "^0.5.7"
     trim-right "^1.0.1"
 
+babel-helper-builder-binary-assignment-operator-visitor@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-builder-binary-assignment-operator-visitor/-/babel-helper-builder-binary-assignment-operator-visitor-6.24.1.tgz#cce4517ada356f4220bcae8a02c2b346f9a56664"
+  dependencies:
+    babel-helper-explode-assignable-expression "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-call-delegate@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-call-delegate/-/babel-helper-call-delegate-6.24.1.tgz#ece6aacddc76e41c3461f88bfc575bd0daa2df8d"
+  dependencies:
+    babel-helper-hoist-variables "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-define-map@^6.24.1:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-helper-define-map/-/babel-helper-define-map-6.26.0.tgz#a5f56dab41a25f97ecb498c7ebaca9819f95be5f"
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-helper-explode-assignable-expression@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-explode-assignable-expression/-/babel-helper-explode-assignable-expression-6.24.1.tgz#f25b82cf7dc10433c55f70592d5746400ac22caa"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-function-name@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz#d3475b8c03ed98242a25b48351ab18399d3580a9"
+  dependencies:
+    babel-helper-get-function-arity "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-get-function-arity@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.24.1.tgz#8f7782aa93407c41d3aa50908f89b031b1b6853d"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-hoist-variables@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-hoist-variables/-/babel-helper-hoist-variables-6.24.1.tgz#1ecb27689c9d25513eadbc9914a73f5408be7a76"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-optimise-call-expression@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-optimise-call-expression/-/babel-helper-optimise-call-expression-6.24.1.tgz#f7a13427ba9f73f8f4fa993c54a97882d1244257"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-regex@^6.24.1:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-helper-regex/-/babel-helper-regex-6.26.0.tgz#325c59f902f82f24b74faceed0363954f6495e72"
+  dependencies:
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-helper-remap-async-to-generator@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-remap-async-to-generator/-/babel-helper-remap-async-to-generator-6.24.1.tgz#5ec581827ad723fecdd381f1c928390676e4551b"
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-replace-supers@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-replace-supers/-/babel-helper-replace-supers-6.24.1.tgz#bf6dbfe43938d17369a213ca8a8bf74b6a90ab1a"
+  dependencies:
+    babel-helper-optimise-call-expression "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
 babel-helpers@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-helpers/-/babel-helpers-6.24.1.tgz#3471de9caec388e5c850e597e58a26ddf37602b2"
@@ -416,6 +510,256 @@ babel-messages@^6.23.0:
   dependencies:
     babel-runtime "^6.22.0"
 
+babel-plugin-check-es2015-constants@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-check-es2015-constants/-/babel-plugin-check-es2015-constants-6.22.0.tgz#35157b101426fd2ffd3da3f75c7d1e91835bbf8a"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-syntax-async-functions@^6.8.0:
+  version "6.13.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
+
+babel-plugin-syntax-exponentiation-operator@^6.8.0:
+  version "6.13.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
+
+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:
+  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:
+    babel-helper-remap-async-to-generator "^6.24.1"
+    babel-plugin-syntax-async-functions "^6.8.0"
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-arrow-functions@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.22.0.tgz#452692cb711d5f79dc7f85e440ce41b9f244d221"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-block-scoped-functions@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoped-functions/-/babel-plugin-transform-es2015-block-scoped-functions-6.22.0.tgz#bbc51b49f964d70cb8d8e0b94e820246ce3a6141"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-block-scoping@^6.23.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoping/-/babel-plugin-transform-es2015-block-scoping-6.26.0.tgz#d70f5299c1308d05c12f463813b0a09e73b1895f"
+  dependencies:
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-plugin-transform-es2015-classes@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-classes/-/babel-plugin-transform-es2015-classes-6.24.1.tgz#5a4c58a50c9c9461e564b4b2a3bfabc97a2584db"
+  dependencies:
+    babel-helper-define-map "^6.24.1"
+    babel-helper-function-name "^6.24.1"
+    babel-helper-optimise-call-expression "^6.24.1"
+    babel-helper-replace-supers "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-computed-properties@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-computed-properties/-/babel-plugin-transform-es2015-computed-properties-6.24.1.tgz#6fe2a8d16895d5634f4cd999b6d3480a308159b3"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-destructuring@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-destructuring/-/babel-plugin-transform-es2015-destructuring-6.23.0.tgz#997bb1f1ab967f682d2b0876fe358d60e765c56d"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-duplicate-keys@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-duplicate-keys/-/babel-plugin-transform-es2015-duplicate-keys-6.24.1.tgz#73eb3d310ca969e3ef9ec91c53741a6f1576423e"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-for-of@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-for-of/-/babel-plugin-transform-es2015-for-of-6.23.0.tgz#f47c95b2b613df1d3ecc2fdb7573623c75248691"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-function-name@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-function-name/-/babel-plugin-transform-es2015-function-name-6.24.1.tgz#834c89853bc36b1af0f3a4c5dbaa94fd8eacaa8b"
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-literals@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-literals/-/babel-plugin-transform-es2015-literals-6.22.0.tgz#4f54a02d6cd66cf915280019a31d31925377ca2e"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-modules-amd@^6.22.0, babel-plugin-transform-es2015-modules-amd@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.24.1.tgz#3b3e54017239842d6d19c3011c4bd2f00a00d154"
+  dependencies:
+    babel-plugin-transform-es2015-modules-commonjs "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-modules-commonjs@^6.23.0, babel-plugin-transform-es2015-modules-commonjs@^6.24.1:
+  version "6.26.2"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.2.tgz#58a793863a9e7ca870bdc5a881117ffac27db6f3"
+  dependencies:
+    babel-plugin-transform-strict-mode "^6.24.1"
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-types "^6.26.0"
+
+babel-plugin-transform-es2015-modules-systemjs@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-systemjs/-/babel-plugin-transform-es2015-modules-systemjs-6.24.1.tgz#ff89a142b9119a906195f5f106ecf305d9407d23"
+  dependencies:
+    babel-helper-hoist-variables "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-modules-umd@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-umd/-/babel-plugin-transform-es2015-modules-umd-6.24.1.tgz#ac997e6285cd18ed6176adb607d602344ad38468"
+  dependencies:
+    babel-plugin-transform-es2015-modules-amd "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-object-super@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-object-super/-/babel-plugin-transform-es2015-object-super-6.24.1.tgz#24cef69ae21cb83a7f8603dad021f572eb278f8d"
+  dependencies:
+    babel-helper-replace-supers "^6.24.1"
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-parameters@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-parameters/-/babel-plugin-transform-es2015-parameters-6.24.1.tgz#57ac351ab49caf14a97cd13b09f66fdf0a625f2b"
+  dependencies:
+    babel-helper-call-delegate "^6.24.1"
+    babel-helper-get-function-arity "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-shorthand-properties@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-shorthand-properties/-/babel-plugin-transform-es2015-shorthand-properties-6.24.1.tgz#24f875d6721c87661bbd99a4622e51f14de38aa0"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-spread@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-spread/-/babel-plugin-transform-es2015-spread-6.22.0.tgz#d6d68a99f89aedc4536c81a542e8dd9f1746f8d1"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-sticky-regex@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-sticky-regex/-/babel-plugin-transform-es2015-sticky-regex-6.24.1.tgz#00c1cdb1aca71112cdf0cf6126c2ed6b457ccdbc"
+  dependencies:
+    babel-helper-regex "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-template-literals@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-template-literals/-/babel-plugin-transform-es2015-template-literals-6.22.0.tgz#a84b3450f7e9f8f1f6839d6d687da84bb1236d8d"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-typeof-symbol@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-typeof-symbol/-/babel-plugin-transform-es2015-typeof-symbol-6.23.0.tgz#dec09f1cddff94b52ac73d505c84df59dcceb372"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-unicode-regex@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-unicode-regex/-/babel-plugin-transform-es2015-unicode-regex-6.24.1.tgz#d38b12f42ea7323f729387f18a7c5ae1faeb35e9"
+  dependencies:
+    babel-helper-regex "^6.24.1"
+    babel-runtime "^6.22.0"
+    regexpu-core "^2.0.0"
+
+babel-plugin-transform-exponentiation-operator@^6.22.0:
+  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:
+    babel-helper-builder-binary-assignment-operator-visitor "^6.24.1"
+    babel-plugin-syntax-exponentiation-operator "^6.8.0"
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-regenerator@^6.22.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-regenerator/-/babel-plugin-transform-regenerator-6.26.0.tgz#e0703696fbde27f0a3efcacf8b4dca2f7b3a8f2f"
+  dependencies:
+    regenerator-transform "^0.10.0"
+
+babel-plugin-transform-strict-mode@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-strict-mode/-/babel-plugin-transform-strict-mode-6.24.1.tgz#d5faf7aa578a65bbe591cf5edae04a0c67020758"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-preset-env@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-env/-/babel-preset-env-1.7.0.tgz#dea79fa4ebeb883cd35dab07e260c1c9c04df77a"
+  dependencies:
+    babel-plugin-check-es2015-constants "^6.22.0"
+    babel-plugin-syntax-trailing-function-commas "^6.22.0"
+    babel-plugin-transform-async-to-generator "^6.22.0"
+    babel-plugin-transform-es2015-arrow-functions "^6.22.0"
+    babel-plugin-transform-es2015-block-scoped-functions "^6.22.0"
+    babel-plugin-transform-es2015-block-scoping "^6.23.0"
+    babel-plugin-transform-es2015-classes "^6.23.0"
+    babel-plugin-transform-es2015-computed-properties "^6.22.0"
+    babel-plugin-transform-es2015-destructuring "^6.23.0"
+    babel-plugin-transform-es2015-duplicate-keys "^6.22.0"
+    babel-plugin-transform-es2015-for-of "^6.23.0"
+    babel-plugin-transform-es2015-function-name "^6.22.0"
+    babel-plugin-transform-es2015-literals "^6.22.0"
+    babel-plugin-transform-es2015-modules-amd "^6.22.0"
+    babel-plugin-transform-es2015-modules-commonjs "^6.23.0"
+    babel-plugin-transform-es2015-modules-systemjs "^6.23.0"
+    babel-plugin-transform-es2015-modules-umd "^6.23.0"
+    babel-plugin-transform-es2015-object-super "^6.22.0"
+    babel-plugin-transform-es2015-parameters "^6.23.0"
+    babel-plugin-transform-es2015-shorthand-properties "^6.22.0"
+    babel-plugin-transform-es2015-spread "^6.22.0"
+    babel-plugin-transform-es2015-sticky-regex "^6.22.0"
+    babel-plugin-transform-es2015-template-literals "^6.22.0"
+    babel-plugin-transform-es2015-typeof-symbol "^6.23.0"
+    babel-plugin-transform-es2015-unicode-regex "^6.22.0"
+    babel-plugin-transform-exponentiation-operator "^6.22.0"
+    babel-plugin-transform-regenerator "^6.22.0"
+    browserslist "^3.2.6"
+    invariant "^2.2.2"
+    semver "^5.3.0"
+
 babel-register@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.26.0.tgz#6ed021173e2fcb486d7acb45c6009a856f647071"
@@ -428,7 +772,7 @@ babel-register@^6.26.0:
     mkdirp "^0.5.1"
     source-map-support "^0.4.15"
 
-babel-runtime@^6.22.0, babel-runtime@^6.26.0:
+babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
   dependencies:
@@ -445,7 +789,7 @@ babel-template@^6.24.1, babel-template@^6.26.0:
     babylon "^6.18.0"
     lodash "^4.17.4"
 
-babel-traverse@^6.26.0:
+babel-traverse@^6.24.1, babel-traverse@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.26.0.tgz#46a9cbd7edcc62c8e5c064e2d2d8d0f4035766ee"
   dependencies:
@@ -459,7 +803,7 @@ babel-traverse@^6.26.0:
     invariant "^2.2.2"
     lodash "^4.17.4"
 
-babel-types@^6.26.0:
+babel-types@^6.19.0, babel-types@^6.24.1, babel-types@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.26.0.tgz#a3b073f94ab49eb6fa55cd65227a334380632497"
   dependencies:
@@ -603,6 +947,13 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
+browserslist@^3.2.6:
+  version "3.2.8"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
+  dependencies:
+    caniuse-lite "^1.0.30000844"
+    electron-to-chromium "^1.3.47"
+
 browserslist@^4.0.0:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.0.2.tgz#294388f5844bb3ab15ef7394ca17f49bf7a4e6f1"
@@ -709,6 +1060,10 @@ caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000876:
   version "1.0.30000877"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000877.tgz#f189673b86ecc06436520e3e391de6a13ca923b4"
 
+caniuse-lite@^1.0.30000844:
+  version "1.0.30000878"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000878.tgz#c644c39588dd42d3498e952234c372e5a40a4123"
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -1385,6 +1740,10 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
     safer-buffer "^2.1.0"
 
+electron-to-chromium@^1.3.47:
+  version "1.3.61"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.61.tgz#a8ac295b28d0f03d85e37326fd16b6b6b17a1795"
+
 electron-to-chromium@^1.3.57:
   version "1.3.58"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.58.tgz#8267a4000014e93986d9d18c65a8b4022ca75188"
@@ -3724,7 +4083,7 @@ prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
 
-private@^0.1.8:
+private@^0.1.6, private@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
 
@@ -3897,6 +4256,14 @@ regenerator-runtime@^0.11.0:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
 
+regenerator-transform@^0.10.0:
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.10.1.tgz#1e4996837231da8b7f3cf4114d71b5691a0680dd"
+  dependencies:
+    babel-runtime "^6.18.0"
+    babel-types "^6.19.0"
+    private "^0.1.6"
+
 regex-not@^1.0.0, regex-not@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
@@ -3912,6 +4279,14 @@ regexpu-core@^1.0.0:
     regjsgen "^0.2.0"
     regjsparser "^0.1.4"
 
+regexpu-core@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-2.0.0.tgz#49d038837b8dcf8bfa5b9a42139938e6ea2ae240"
+  dependencies:
+    regenerate "^1.2.1"
+    regjsgen "^0.2.0"
+    regjsparser "^0.1.4"
+
 regjsgen@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"