diff --git a/gulpfile.js b/gulpfile.js
index 42f30c0990..29fa47b95c 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -26,6 +26,8 @@ const StatsPlugin = require('stats-webpack-plugin');
 const through = require('through2');
 const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
 const webpackStream = require('webpack-stream');
+const Visualizer = require('webpack-visualizer-plugin');
+const argv = require('yargs').argv;
 
 const paths = {
   dist: 'dist',
@@ -115,7 +117,12 @@ const buildDist = opts => {
       new StatsPlugin(`../meta/bundle-size-stats/${opts.output}.json`, {
         chunkModules: true,
       }),
-    ],
+      argv.stats
+        ? new Visualizer({
+            filename: './meta/bundle-size-stats/statistics.html',
+          })
+        : 0,
+    ].filter(x => !!x),
   };
   if (!opts.debug) {
     webpackOpts.plugins.push(new UglifyJsPlugin());
diff --git a/package.json b/package.json
index aae1b88217..3175f95d22 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
     "prepublish": "npm run build",
     "pretest": "node node_modules/fbjs-scripts/node/check-dev-engines.js package.json",
     "build": "gulp",
+    "build --stats": "gulp --stats",
     "dev": "gulp dev",
     "postbuild": "node node_modules/fbjs-scripts/node/check-lib-requires.js lib",
     "lint": "eslint .",
@@ -37,7 +38,8 @@
   "dependencies": {
     "fbjs": "^2.0.0",
     "immutable": "~3.7.4",
-    "object-assign": "^4.1.1"
+    "object-assign": "^4.1.1",
+    "webpack-visualizer-plugin": "^0.1.11"
   },
   "peerDependencies": {
     "react": ">=0.14.0",
diff --git a/scripts/module-map.js b/scripts/module-map.js
index 6896a2f3ac..425ece7445 100644
--- a/scripts/module-map.js
+++ b/scripts/module-map.js
@@ -8,7 +8,7 @@
 module.exports = Object.assign(
   {
     immutable: 'immutable',
-    React: 'react',
+    react: 'react',
     ReactDOM: 'react-dom',
     ReactDOMComet: 'react-dom',
     'object-assign': 'object-assign',
diff --git a/yarn.lock b/yarn.lock
index 34539e77a2..29fa8de79e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1211,6 +1211,11 @@ acorn@^4.0.3:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
   integrity sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=
 
+acorn@^5.2.1:
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
+  integrity sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==
+
 acorn@^6.2.1:
   version "6.4.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.1.tgz#531e58ba3f51b9dacb9a6646ca4debf5b14ca474"
@@ -1313,6 +1318,11 @@ alex@^9.0.1:
     vfile-reporter "^6.0.0"
     vfile-sort "^2.0.0"
 
+amdefine@>=0.0.4:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
+  integrity sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=
+
 ansi-align@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ansi-align/-/ansi-align-3.0.0.tgz#b536b371cf687caaef236c18d3e21fe3797467cb"
@@ -1645,6 +1655,11 @@ ast-types-flow@^0.0.7:
   resolved "https://registry.yarnpkg.com/ast-types-flow/-/ast-types-flow-0.0.7.tgz#f70b735c6bca1a5c9c22d982c3e39e7feba3bdad"
   integrity sha1-9wtzXGvKGlycItmCw+Oef+ujva0=
 
+ast-types@0.9.6:
+  version "0.9.6"
+  resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.9.6.tgz#102c9e9e9005d3e7e3829bf0c4fa24ee862ee9b9"
+  integrity sha1-ECyenpAF0+fjgpvwxPok7oYu6bk=
+
 astral-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-1.0.0.tgz#6c8c3fb827dd43ee3918f27b82782ab7658a6fd9"
@@ -1875,6 +1890,11 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
+base62@^1.1.0:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/base62/-/base62-1.2.8.tgz#1264cb0fb848d875792877479dbe8bae6bae3428"
+  integrity sha512-V6YHUbjLxN1ymqNLb1DPHoU1CpfdL7d2YTIp5W3U4hhoG4hhxNmsFDs66M9EXxBiSEke5Bt5dwdfMwwZF70iLA==
+
 base64-js@^1.0.2:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.0.tgz#cab1e6118f051095e58b5281aea8c1cd22bfc0e3"
@@ -2459,7 +2479,7 @@ comma-separated-tokens@^1.0.0:
   resolved "https://registry.yarnpkg.com/comma-separated-tokens/-/comma-separated-tokens-1.0.7.tgz#419cd7fb3258b1ed838dc0953167a25e152f5b59"
   integrity sha512-Jrx3xsP4pPv4AwJUDWY9wOXGtwPXARej6Xd99h4TUGotmf8APuquKMpK+dnD3UgyxK7OEWaisjZz+3b5jtL6xQ==
 
-commander@^2.20.0, commander@~2.20.3:
+commander@^2.20.0, commander@^2.5.0, commander@~2.20.3:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
@@ -2469,6 +2489,21 @@ commondir@^1.0.1:
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
   integrity sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=
 
+commoner@^0.10.1:
+  version "0.10.8"
+  resolved "https://registry.yarnpkg.com/commoner/-/commoner-0.10.8.tgz#34fc3672cd24393e8bb47e70caa0293811f4f2c5"
+  integrity sha1-NPw2cs0kOT6LtH5wyqApOBH08sU=
+  dependencies:
+    commander "^2.5.0"
+    detective "^4.3.1"
+    glob "^5.0.15"
+    graceful-fs "^4.1.2"
+    iconv-lite "^0.4.5"
+    mkdirp "^0.5.0"
+    private "^0.1.6"
+    q "^1.1.2"
+    recast "^0.11.17"
+
 component-emitter@^1.2.1:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
@@ -2577,6 +2612,11 @@ core-js-pure@^3.0.0:
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.6.5.tgz#c79e75f5e38dbc85a662d91eea52b8256d53b813"
   integrity sha512-lacdXOimsiD0QyNf9BC/mxivNJ/ybBGJXQFKzRekp1WTHoVUWsUHEn+2T8GJAzzIhyOuXA+gOxCVN3l+5PLPUA==
 
+core-js@^1.0.0:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
+  integrity sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY=
+
 core-js@^3.6.4:
   version "3.6.5"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.6.5.tgz#7395dc273af37fb2e50e9bd3d9fe841285231d1a"
@@ -2729,6 +2769,11 @@ cyclist@~0.2.2:
   resolved "https://registry.yarnpkg.com/cyclist/-/cyclist-0.2.2.tgz#1b33792e11e914a2fd6d6ed6447464444e5fa640"
   integrity sha1-GzN5LhHpFKL9bW7WRHRkRE5fpkA=
 
+d3@^3.5.6:
+  version "3.5.17"
+  resolved "https://registry.yarnpkg.com/d3/-/d3-3.5.17.tgz#bc46748004378b21a360c9fc7cf5231790762fb8"
+  integrity sha1-vEZ0gAQ3iyGjYMn8fPUjF5B2L7g=
+
 d@1:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/d/-/d-1.0.0.tgz#754bb5bfe55451da69a58b94d45f4c5b0462d58f"
@@ -2877,6 +2922,11 @@ define-property@^2.0.2:
     is-descriptor "^1.0.2"
     isobject "^3.0.1"
 
+defined@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
+  integrity sha1-yY2bzvdWdBiOEQlpFRGZ45sfppM=
+
 del@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/del/-/del-5.1.0.tgz#d9487c94e367410e6eff2925ee58c0c84a75b3a7"
@@ -2935,6 +2985,14 @@ detect-newline@^3.0.0:
   resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-3.1.0.tgz#576f5dfc63ae1a192ff192d8ad3af6308991b651"
   integrity sha512-TLz+x/vEXm/Y7P7wn1EJFNLxYpUD4TgMosxY6fAVJUnJMbupHBOncxyWUG9OpTaH9EBD7uFI5LfEgmMOc54DsA==
 
+detective@^4.3.1:
+  version "4.7.1"
+  resolved "https://registry.yarnpkg.com/detective/-/detective-4.7.1.tgz#0eca7314338442febb6d65da54c10bb1c82b246e"
+  integrity sha512-H6PmeeUcZloWtdt4DAkFyzFL94arpHr3NOwwmVILFiy+9Qd4JTxxXrzfyGk/lmct2qVGBwTSwSXagqu2BxmWig==
+  dependencies:
+    acorn "^5.2.1"
+    defined "^1.0.0"
+
 diff-sequences@^26.3.0:
   version "26.3.0"
   resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-26.3.0.tgz#62a59b1b29ab7fd27cef2a33ae52abe73042d0a2"
@@ -3110,6 +3168,14 @@ enquirer@^2.3.5:
   dependencies:
     ansi-colors "^4.1.1"
 
+envify@^3.0.0:
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/envify/-/envify-3.4.1.tgz#d7122329e8df1688ba771b12501917c9ce5cbce8"
+  integrity sha1-1xIjKejfFoi6dxsSUBkXyc5cvOg=
+  dependencies:
+    jstransform "^11.0.3"
+    through "~2.3.4"
+
 errno@^0.1.3, errno@~0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
@@ -3414,11 +3480,21 @@ espree@^7.3.0:
     acorn-jsx "^5.2.0"
     eslint-visitor-keys "^1.3.0"
 
+esprima-fb@^15001.1.0-dev-harmony-fb:
+  version "15001.1.0-dev-harmony-fb"
+  resolved "https://registry.yarnpkg.com/esprima-fb/-/esprima-fb-15001.1.0-dev-harmony-fb.tgz#30a947303c6b8d5e955bee2b99b1d233206a6901"
+  integrity sha1-MKlHMDxrjV6VW+4rmbHSMyBqaQE=
+
 esprima@^4.0.0, esprima@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
   integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
 
+esprima@~3.1.0:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
+  integrity sha1-/cpRzuYTOJXjyI1TXOSdv/YqRjM=
+
 esquery@^1.2.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.3.1.tgz#b78b5828aa8e214e29fb74c4d5b752e1c033da57"
@@ -3696,6 +3772,17 @@ fbjs-scripts@^2.0.0:
     semver "^5.1.0"
     through2 "^2.0.0"
 
+fbjs@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.6.1.tgz#9636b7705f5ba9684d44b72f78321254afc860f7"
+  integrity sha1-lja3cF9bqWhNRLcveDISVK/IYPc=
+  dependencies:
+    core-js "^1.0.0"
+    loose-envify "^1.0.0"
+    promise "^7.0.3"
+    ua-parser-js "^0.7.9"
+    whatwg-fetch "^0.9.0"
+
 fbjs@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-2.0.0.tgz#01fb812138d7e31831ed3e374afe27b9169ef442"
@@ -4091,7 +4178,7 @@ glob-watcher@^5.0.3:
     just-debounce "^1.0.0"
     object.defaults "^1.1.0"
 
-glob@^5.0.3:
+glob@^5.0.15, glob@^5.0.3:
   version "5.0.15"
   resolved "https://registry.yarnpkg.com/glob/-/glob-5.0.15.tgz#1bc936b9e02f4a603fcc222ecf7633d30b8b93b1"
   integrity sha1-G8k2ueAvSmA/zCIuz3Yz0wuLk7E=
@@ -4635,7 +4722,7 @@ human-signals@^1.1.1:
   resolved "https://registry.yarnpkg.com/human-signals/-/human-signals-1.1.1.tgz#c5b1cd14f50aeae09ab6c59fe63ba3395fe4dfa3"
   integrity sha512-SEQu7vl8KjNL2eoGBLF3+wAjpsNfA9XMlXAYj/3EdaNfAlxKthD1xjEQfGOUhllCGGJVNY34bRr6lPINhNjyZw==
 
-iconv-lite@0.4.24, iconv-lite@^0.4.4:
+iconv-lite@0.4.24, iconv-lite@^0.4.4, iconv-lite@^0.4.5:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
@@ -5683,6 +5770,17 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.10.0"
 
+jstransform@^11.0.3:
+  version "11.0.3"
+  resolved "https://registry.yarnpkg.com/jstransform/-/jstransform-11.0.3.tgz#09a78993e0ae4d4ef4487f6155a91f6190cb4223"
+  integrity sha1-CaeJk+CuTU70SH9hVakfYZDLQiM=
+  dependencies:
+    base62 "^1.1.0"
+    commoner "^0.10.1"
+    esprima-fb "^15001.1.0-dev-harmony-fb"
+    object-assign "^2.0.0"
+    source-map "^0.4.2"
+
 jsx-ast-utils@^2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/jsx-ast-utils/-/jsx-ast-utils-2.4.1.tgz#1114a4c1209481db06c690c2b4f488cc665f657e"
@@ -6711,6 +6809,11 @@ oauth-sign@~0.9.0:
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
   integrity sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==
 
+object-assign@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-2.1.1.tgz#43c36e5d569ff8e4816c4efa8be02d26967c18aa"
+  integrity sha1-Q8NuXVaf+OSBbE76i+AtJpZ8GKo=
+
 object-assign@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-3.0.0.tgz#9bedd5ca0897949bca47e7ff408062d549f587f2"
@@ -7303,6 +7406,11 @@ pretty-hrtime@^1.0.0:
   resolved "https://registry.yarnpkg.com/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz#b7e3ea42435a4c9b2759d99e0f201eb195802ee1"
   integrity sha1-t+PqQkNaTJsnWdmeDyAesZWALuE=
 
+private@^0.1.6, private@~0.1.5:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
+  integrity sha512-VvivMrbvd2nKkiG38qjULzlc+4Vx4wm/whI9pQD35YrARNnhxeiRktSOhSukRLFNlzg6Br/cJPet5J/u19r/mg==
+
 process-nextick-args@^1.0.7:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
@@ -7328,7 +7436,7 @@ promise-inflight@^1.0.1:
   resolved "https://registry.yarnpkg.com/promise-inflight/-/promise-inflight-1.0.1.tgz#98472870bf228132fcbdd868129bad12c3c029e3"
   integrity sha1-mEcocL8igTL8vdhoEputEsPAKeM=
 
-promise@^7.1.1:
+promise@^7.0.3, promise@^7.1.1:
   version "7.3.1"
   resolved "https://registry.yarnpkg.com/promise/-/promise-7.3.1.tgz#064b72602b18f90f29192b8b1bc418ffd1ebd3bf"
   integrity sha512-nolQXZ/4L+bP/UGlkfaIujX9BKxGwmQ9OT4mOt5yvy8iK1h3wqTEJCijzGANTCCl9nWjY41juyAn2K3Q1hLLTg==
@@ -7450,6 +7558,11 @@ pupa@^2.0.1:
   dependencies:
     escape-goat "^2.0.0"
 
+q@^1.1.2:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/q/-/q-1.5.1.tgz#7e32f75b41381291d04611f1bf14109ac00651d7"
+  integrity sha1-fjL3W0E4EpHQRhHxvxQQmsAGUdc=
+
 qs@~6.5.2:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
@@ -7500,6 +7613,11 @@ rc@^1.2.7, rc@^1.2.8:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
+react-dom@^0.14.0:
+  version "0.14.10"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-0.14.10.tgz#da883daef7fa86838e9e2fcfcc084c590c350e21"
+  integrity sha512-kDs8SWFb8Sry4NAplhpJbZEeAnTPir/m+s9s+lkdqA2a89BzmWGnEgGG/CfmhULjv1ogc4oHrjMfAvFNruT3jQ==
+
 react-dom@^16.8.0:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.13.1.tgz#c1bd37331a0486c078ee54c4740720993b2e0e7f"
@@ -7525,6 +7643,14 @@ react-test-renderer@^16.0.0:
     react-is "^16.8.6"
     scheduler "^0.19.1"
 
+react@^0.14.0:
+  version "0.14.10"
+  resolved "https://registry.yarnpkg.com/react/-/react-0.14.10.tgz#c10d7750f1c5b34eee2a123915ac4c14c01c1081"
+  integrity sha512-yxMw5aorZG4qsLVBfjae4wGFvd5708DhcxaXLJ3IOTgr1TCs8k9+ZheGgLGr5OfwWMhSahNbGvvoEDzrxVWouA==
+  dependencies:
+    envify "^3.0.0"
+    fbjs "^0.6.1"
+
 react@^16.8.0:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react/-/react-16.13.1.tgz#2e818822f1a9743122c063d6410d85c1e3afe48e"
@@ -7630,6 +7756,16 @@ readdirp@^2.2.1:
     micromatch "^3.1.10"
     readable-stream "^2.0.2"
 
+recast@^0.11.17:
+  version "0.11.23"
+  resolved "https://registry.yarnpkg.com/recast/-/recast-0.11.23.tgz#451fd3004ab1e4df9b4e4b66376b2a21912462d3"
+  integrity sha1-RR/TAEqx5N+bTktmN2sqIZEkYtM=
+  dependencies:
+    ast-types "0.9.6"
+    esprima "~3.1.0"
+    private "~0.1.5"
+    source-map "~0.5.0"
+
 rechoir@^0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/rechoir/-/rechoir-0.6.2.tgz#85204b54dba82d5742e28c96756ef43af50e3384"
@@ -8344,7 +8480,14 @@ source-map-url@^0.4.0:
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
   integrity sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=
 
-source-map@^0.5.0, source-map@^0.5.1, source-map@^0.5.6:
+source-map@^0.4.2:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
+  integrity sha1-66T12pwNyZneaAMti092FzZSA2s=
+  dependencies:
+    amdefine ">=0.0.4"
+
+source-map@^0.5.0, source-map@^0.5.1, source-map@^0.5.6, source-map@~0.5.0:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
   integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
@@ -8917,7 +9060,7 @@ through2@~1.1.1:
     readable-stream ">=1.1.13-1 <1.2.0-0"
     xtend ">=4.0.0 <4.1.0-0"
 
-through@2, through@^2.3.8, through@~2.3, through@~2.3.1:
+through@2, through@^2.3.8, through@~2.3, through@~2.3.1, through@~2.3.4:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
@@ -9131,6 +9274,11 @@ ua-parser-js@^0.7.18:
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.19.tgz#94151be4c0a7fb1d001af7022fdaca4642659e4b"
   integrity sha512-T3PVJ6uz8i0HzPxOF9SWzWAlfN/DavlpQqepn22xgve/5QecC+XMCAtmUNnY7C9StehaV6exjUCI801lOI7QlQ==
 
+ua-parser-js@^0.7.9:
+  version "0.7.31"
+  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.31.tgz#649a656b191dffab4f21d5e053e27ca17cbff5c6"
+  integrity sha512-qLK/Xe9E2uzmYI3qLeOmI0tEOt+TBBQyUIAh4aAgU05FVYzeZrKUdkAZfBNVGRaHVgV0TDkdEngJSw/SyQchkQ==
+
 uglify-js@^3.6.0:
   version "3.8.0"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.8.0.tgz#f3541ae97b2f048d7e7e3aa4f39fd8a1f5d7a805"
@@ -9682,6 +9830,16 @@ webpack-stream@6.1.0:
     vinyl "^2.1.0"
     webpack "^4.26.1"
 
+webpack-visualizer-plugin@^0.1.11:
+  version "0.1.11"
+  resolved "https://registry.yarnpkg.com/webpack-visualizer-plugin/-/webpack-visualizer-plugin-0.1.11.tgz#b8770ad86b4f652612c68b1b782253faf9f8a34e"
+  integrity sha1-uHcK2GtPZSYSxosbeCJT+vn4o04=
+  dependencies:
+    d3 "^3.5.6"
+    mkdirp "^0.5.1"
+    react "^0.14.0"
+    react-dom "^0.14.0"
+
 webpack@^4.26.1:
   version "4.42.0"
   resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.42.0.tgz#b901635dd6179391d90740a63c93f76f39883eb8"
@@ -9718,6 +9876,11 @@ whatwg-encoding@^1.0.5:
   dependencies:
     iconv-lite "0.4.24"
 
+whatwg-fetch@^0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-0.9.0.tgz#0e3684c6cb9995b43efc9df03e4c365d95fd9cc0"
+  integrity sha1-DjaExsuZlbQ+/J3wPkw2XZX9nMA=
+
 whatwg-mimetype@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz#3d4b1e0312d2079879f826aff18dbeeca5960fbf"