diff --git a/.babelrc b/.babelrc
new file mode 100644
index 0000000000..62a820d25b
--- /dev/null
+++ b/.babelrc
@@ -0,0 +1,16 @@
+{
+  "presets": [
+    [
+      "@babel/preset-env",
+      {
+        "corejs": 3,
+        "useBuiltIns": "usage"
+      }
+    ],
+    "@babel/typescript"
+  ],
+  "plugins": [
+    "@babel/proposal-class-properties"
+  ],
+  "sourceType": "unambiguous"
+}
diff --git a/.browserslistrc b/.browserslistrc
new file mode 100644
index 0000000000..2e9f7a069c
--- /dev/null
+++ b/.browserslistrc
@@ -0,0 +1,6 @@
+> 0.2%
+> 0.2% in US
+last 2 versions
+Firefox ESR
+not dead
+Chrome 26  # similar to PhantomJS
diff --git a/package.json b/package.json
index 5b755d50ff..6feaa3422b 100644
--- a/package.json
+++ b/package.json
@@ -5,11 +5,16 @@
   "description": "",
   "main": "",
   "dependencies": {
+    "@babel/core": "^7.5.5",
+    "@babel/plugin-proposal-class-properties": "^7.5.5",
+    "@babel/preset-env": "^7.5.5",
+    "@babel/preset-typescript": "^7.3.3",
     "@types/node": "12.0.7",
     "@types/underscore": "1.8.18",
     "@types/webpack": "4.4.32",
     "@types/webpack-dev-server": "3.1.6",
     "autosize": "4.0.2",
+    "babel-loader": "^8.0.6",
     "blueimp-md5": "2.10.0",
     "cache-loader": "4.0.0",
     "clipboard": "2.0.4",
@@ -47,7 +52,6 @@
     "spectrum-colorpicker": "^1.8.0",
     "style-loader": "0.23.1",
     "to-markdown": "3.1.0",
-    "ts-loader": "6.0.2",
     "ts-node": "7.0.1",
     "typescript": "3.5.1",
     "underscore": "1.9.1",
diff --git a/static/js/bundles/app.js b/static/js/bundles/app.js
index a5acd1665d..b58b1519b6 100644
--- a/static/js/bundles/app.js
+++ b/static/js/bundles/app.js
@@ -13,7 +13,6 @@ import "xdate/src/xdate.js";
 import "jquery-validation/dist/jquery.validate.js";
 import "blueimp-md5/js/md5.js";
 import "clipboard/dist/clipboard.js";
-import "core-js/features/string/code-point-at";
 import "winchan/winchan.js";
 import "handlebars/dist/cjs/handlebars.runtime.js";
 import "to-markdown/dist/to-markdown.js";
diff --git a/static/js/bundles/common.js b/static/js/bundles/common.js
index 0fc27d13ce..bbfa59b9de 100644
--- a/static/js/bundles/common.js
+++ b/static/js/bundles/common.js
@@ -1,7 +1,4 @@
 import "core-js/features/promise";
-import "core-js/features/string/ends-with";
-import "core-js/features/string/starts-with";
-import "core-js/features/string/code-point-at";
 import "jquery/dist/jquery.js";
 import "underscore/underscore.js";
 import "../csrf.js";
diff --git a/tools/webpack.config.ts b/tools/webpack.config.ts
index f3dd81e275..23c991beeb 100644
--- a/tools/webpack.config.ts
+++ b/tools/webpack.config.ts
@@ -33,13 +33,11 @@ export default (env?: string): webpack.Configuration[] => {
                         },
                     ],
                 },
-                // Run the typescript compilier on .ts files before webpack
+                // Transpile .js and .ts files with Babel
                 {
-                    test: /\.tsx?$/,
-                    loader: 'ts-loader',
-                    options: {
-                        configFile: require.resolve('../static/js/tsconfig.json'),
-                    },
+                    test: /\.(js|ts)$/,
+                    include: resolve(__dirname, '../static/js'),
+                    loader: 'babel-loader',
                 },
                 // Uses script-loader on minified files so we don't change global variables in them.
                 // Also has the effect of making processing these files fast
@@ -156,7 +154,7 @@ export default (env?: string): webpack.Configuration[] => {
         { path: "sortablejs/Sortable.js"},
         { path: "winchan/winchan.js", name: 'WinChan'},
     ];
-    config.module.rules.push(...getExposeLoaders(exposeOptions));
+    config.module.rules.unshift(...getExposeLoaders(exposeOptions));
 
     if (production) {
         config.plugins = [
diff --git a/version.py b/version.py
index 8afbb7c350..d9c8b7a97e 100644
--- a/version.py
+++ b/version.py
@@ -26,4 +26,4 @@ LATEST_RELEASE_ANNOUNCEMENT = "https://blog.zulip.org/2019/03/01/zulip-2-0-relea
 #   historical commits sharing the same major version, in which case a
 #   minor version bump suffices.
 
-PROVISION_VERSION = '42.1'
+PROVISION_VERSION = '43.0'
diff --git a/yarn.lock b/yarn.lock
index d6c485902a..37f34f5391 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -18,6 +18,13 @@
   dependencies:
     "@babel/highlight" "^7.0.0"
 
+"@babel/code-frame@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.5.5.tgz#bc0782f6d69f7b7d49531219699b988f669a8f9d"
+  integrity sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==
+  dependencies:
+    "@babel/highlight" "^7.0.0"
+
 "@babel/core@>=7.2.2":
   version "7.4.5"
   resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.4.5.tgz#081f97e8ffca65a9b4b0fdc7e274e703f000c06a"
@@ -38,6 +45,26 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
+"@babel/core@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.5.5.tgz#17b2686ef0d6bc58f963dddd68ab669755582c30"
+  integrity sha512-i4qoSr2KTtce0DmkuuQBV4AuQgGPUcPXMr9L5MyYAtk06z068lQ10a4O009fe5OB/DfNV+h+qqT7ddNV8UnRjg==
+  dependencies:
+    "@babel/code-frame" "^7.5.5"
+    "@babel/generator" "^7.5.5"
+    "@babel/helpers" "^7.5.5"
+    "@babel/parser" "^7.5.5"
+    "@babel/template" "^7.4.4"
+    "@babel/traverse" "^7.5.5"
+    "@babel/types" "^7.5.5"
+    convert-source-map "^1.1.0"
+    debug "^4.1.0"
+    json5 "^2.1.0"
+    lodash "^4.17.13"
+    resolve "^1.3.2"
+    semver "^5.4.1"
+    source-map "^0.5.0"
+
 "@babel/generator@^7.4.0", "@babel/generator@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.4.4.tgz#174a215eb843fc392c7edcaabeaa873de6e8f041"
@@ -49,6 +76,70 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
+"@babel/generator@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.5.5.tgz#873a7f936a3c89491b43536d12245b626664e3cf"
+  integrity sha512-ETI/4vyTSxTzGnU2c49XHv2zhExkv9JHLTwDAFz85kmcwuShvYG2H08FwgIguQf4JC75CBnXAUM5PqeF4fj0nQ==
+  dependencies:
+    "@babel/types" "^7.5.5"
+    jsesc "^2.5.1"
+    lodash "^4.17.13"
+    source-map "^0.5.0"
+    trim-right "^1.0.1"
+
+"@babel/helper-annotate-as-pure@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0.tgz#323d39dd0b50e10c7c06ca7d7638e6864d8c5c32"
+  integrity sha512-3UYcJUj9kvSLbLbUIfQTqzcy5VX7GRZ/CCDrnOaZorFFM01aXp1+GJwuFGV4NDDoAS+mOUyHcO6UD/RfqOks3Q==
+  dependencies:
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-builder-binary-assignment-operator-visitor@^7.1.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.1.0.tgz#6b69628dfe4087798e0c4ed98e3d4a6b2fbd2f5f"
+  integrity sha512-qNSR4jrmJ8M1VMM9tibvyRAHXQs2PmaksQF7c1CGJNipfe3D8p+wgNwgso/P2A2r2mdgBWAXljNWR0QRZAMW8w==
+  dependencies:
+    "@babel/helper-explode-assignable-expression" "^7.1.0"
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-call-delegate@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-call-delegate/-/helper-call-delegate-7.4.4.tgz#87c1f8ca19ad552a736a7a27b1c1fcf8b1ff1f43"
+  integrity sha512-l79boDFJ8S1c5hvQvG+rc+wHw6IuH7YldmRKsYtpbawsxURu/paVy57FZMomGK22/JckepaikOkY0MoAmdyOlQ==
+  dependencies:
+    "@babel/helper-hoist-variables" "^7.4.4"
+    "@babel/traverse" "^7.4.4"
+    "@babel/types" "^7.4.4"
+
+"@babel/helper-create-class-features-plugin@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.5.5.tgz#401f302c8ddbc0edd36f7c6b2887d8fa1122e5a4"
+  integrity sha512-ZsxkyYiRA7Bg+ZTRpPvB6AbOFKTFFK4LrvTet8lInm0V468MWCaSYJE+I7v2z2r8KNLtYiV+K5kTCnR7dvyZjg==
+  dependencies:
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/helper-member-expression-to-functions" "^7.5.5"
+    "@babel/helper-optimise-call-expression" "^7.0.0"
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-replace-supers" "^7.5.5"
+    "@babel/helper-split-export-declaration" "^7.4.4"
+
+"@babel/helper-define-map@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-define-map/-/helper-define-map-7.5.5.tgz#3dec32c2046f37e09b28c93eb0b103fd2a25d369"
+  integrity sha512-fTfxx7i0B5NJqvUOBBGREnrqbTxRh7zinBANpZXAVDlsZxYdclDp467G1sQ8VZYMnAURY3RpBUAgOYT9GfzHBg==
+  dependencies:
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/types" "^7.5.5"
+    lodash "^4.17.13"
+
+"@babel/helper-explode-assignable-expression@^7.1.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.1.0.tgz#537fa13f6f1674df745b0c00ec8fe4e99681c8f6"
+  integrity sha512-NRQpfHrJ1msCHtKjbzs9YcMmJZOg6mQMmGRB+hbamEdG5PNpaSm95275VD92DvJKuyl0s2sFiDmMZ+EnnvufqA==
+  dependencies:
+    "@babel/traverse" "^7.1.0"
+    "@babel/types" "^7.0.0"
+
 "@babel/helper-function-name@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz#a0ceb01685f73355d4360c1247f582bfafc8ff53"
@@ -65,6 +156,87 @@
   dependencies:
     "@babel/types" "^7.0.0"
 
+"@babel/helper-hoist-variables@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.4.4.tgz#0298b5f25c8c09c53102d52ac4a98f773eb2850a"
+  integrity sha512-VYk2/H/BnYbZDDg39hr3t2kKyifAm1W6zHRfhx8jGjIHpQEBv9dry7oQ2f3+J703TLu69nYdxsovl0XYfcnK4w==
+  dependencies:
+    "@babel/types" "^7.4.4"
+
+"@babel/helper-member-expression-to-functions@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.5.5.tgz#1fb5b8ec4453a93c439ee9fe3aeea4a84b76b590"
+  integrity sha512-5qZ3D1uMclSNqYcXqiHoA0meVdv+xUEex9em2fqMnrk/scphGlGgg66zjMrPJESPwrFJ6sbfFQYUSa0Mz7FabA==
+  dependencies:
+    "@babel/types" "^7.5.5"
+
+"@babel/helper-module-imports@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0.tgz#96081b7111e486da4d2cd971ad1a4fe216cc2e3d"
+  integrity sha512-aP/hlLq01DWNEiDg4Jn23i+CXxW/owM4WpDLFUbpjxe4NS3BhLVZQ5i7E0ZrxuQ/vwekIeciyamgB1UIYxxM6A==
+  dependencies:
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-module-transforms@^7.1.0", "@babel/helper-module-transforms@^7.4.4":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.5.5.tgz#f84ff8a09038dcbca1fd4355661a500937165b4a"
+  integrity sha512-jBeCvETKuJqeiaCdyaheF40aXnnU1+wkSiUs/IQg3tB85up1LyL8x77ClY8qJpuRJUcXQo+ZtdNESmZl4j56Pw==
+  dependencies:
+    "@babel/helper-module-imports" "^7.0.0"
+    "@babel/helper-simple-access" "^7.1.0"
+    "@babel/helper-split-export-declaration" "^7.4.4"
+    "@babel/template" "^7.4.4"
+    "@babel/types" "^7.5.5"
+    lodash "^4.17.13"
+
+"@babel/helper-optimise-call-expression@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.0.0.tgz#a2920c5702b073c15de51106200aa8cad20497d5"
+  integrity sha512-u8nd9NQePYNQV8iPWu/pLLYBqZBa4ZaY1YWRFMuxrid94wKI1QNt67NEZ7GAe5Kc/0LLScbim05xZFWkAdrj9g==
+  dependencies:
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-plugin-utils@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.0.0.tgz#bbb3fbee98661c569034237cc03967ba99b4f250"
+  integrity sha512-CYAOUCARwExnEixLdB6sDm2dIJ/YgEAKDM1MOeMeZu9Ld/bDgVo8aiWrXwcY7OBh+1Ea2uUcVRcxKk0GJvW7QA==
+
+"@babel/helper-regex@^7.0.0", "@babel/helper-regex@^7.4.4":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-regex/-/helper-regex-7.5.5.tgz#0aa6824f7100a2e0e89c1527c23936c152cab351"
+  integrity sha512-CkCYQLkfkiugbRDO8eZn6lRuR8kzZoGXCg3149iTk5se7g6qykSpy3+hELSwquhu+TgHn8nkLiBwHvNX8Hofcw==
+  dependencies:
+    lodash "^4.17.13"
+
+"@babel/helper-remap-async-to-generator@^7.1.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.1.0.tgz#361d80821b6f38da75bd3f0785ece20a88c5fe7f"
+  integrity sha512-3fOK0L+Fdlg8S5al8u/hWE6vhufGSn0bN09xm2LXMy//REAF8kDCrYoOBKYmA8m5Nom+sV9LyLCwrFynA8/slg==
+  dependencies:
+    "@babel/helper-annotate-as-pure" "^7.0.0"
+    "@babel/helper-wrap-function" "^7.1.0"
+    "@babel/template" "^7.1.0"
+    "@babel/traverse" "^7.1.0"
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-replace-supers@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.5.5.tgz#f84ce43df031222d2bad068d2626cb5799c34bc2"
+  integrity sha512-XvRFWrNnlsow2u7jXDuH4jDDctkxbS7gXssrP4q2nUD606ukXHRvydj346wmNg+zAgpFx4MWf4+usfC93bElJg==
+  dependencies:
+    "@babel/helper-member-expression-to-functions" "^7.5.5"
+    "@babel/helper-optimise-call-expression" "^7.0.0"
+    "@babel/traverse" "^7.5.5"
+    "@babel/types" "^7.5.5"
+
+"@babel/helper-simple-access@^7.1.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.1.0.tgz#65eeb954c8c245beaa4e859da6188f39d71e585c"
+  integrity sha512-Vk+78hNjRbsiu49zAPALxTb+JUQCz1aolpd8osOF16BGnLtseD21nbHgLPGUwrXEurZgiCOUmvs3ExTu4F5x6w==
+  dependencies:
+    "@babel/template" "^7.1.0"
+    "@babel/types" "^7.0.0"
+
 "@babel/helper-split-export-declaration@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.4.4.tgz#ff94894a340be78f53f06af038b205c49d993677"
@@ -72,6 +244,16 @@
   dependencies:
     "@babel/types" "^7.4.4"
 
+"@babel/helper-wrap-function@^7.1.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.2.0.tgz#c4e0012445769e2815b55296ead43a958549f6fa"
+  integrity sha512-o9fP1BZLLSrYlxYEYyl2aS+Flun5gtjTIG8iln+XuEzQTs0PLagAGSXUcqruJwD5fM48jzIEggCKpIfWTcR7pQ==
+  dependencies:
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/template" "^7.1.0"
+    "@babel/traverse" "^7.1.0"
+    "@babel/types" "^7.2.0"
+
 "@babel/helpers@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.4.4.tgz#868b0ef59c1dd4e78744562d5ce1b59c89f2f2a5"
@@ -81,6 +263,15 @@
     "@babel/traverse" "^7.4.4"
     "@babel/types" "^7.4.4"
 
+"@babel/helpers@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.5.5.tgz#63908d2a73942229d1e6685bc2a0e730dde3b75e"
+  integrity sha512-nRq2BUhxZFnfEn/ciJuhklHvFOqjJUD5wpx+1bxUF2axL9C+v4DE/dmp5sT2dKnpOs4orZWzpAZqlCy8QqE/7g==
+  dependencies:
+    "@babel/template" "^7.4.4"
+    "@babel/traverse" "^7.5.5"
+    "@babel/types" "^7.5.5"
+
 "@babel/highlight@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0.tgz#f710c38c8d458e6dd9a201afb637fcb781ce99e4"
@@ -95,6 +286,430 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.4.5.tgz#04af8d5d5a2b044a2a1bffacc1e5e6673544e872"
   integrity sha512-9mUqkL1FF5T7f0WDFfAoDdiMVPWsdD1gZYzSnaXsxUCUqzuch/8of9G3VUSNiZmMBoRxT3neyVsqeiL/ZPcjew==
 
+"@babel/parser@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.5.5.tgz#02f077ac8817d3df4a832ef59de67565e71cca4b"
+  integrity sha512-E5BN68cqR7dhKan1SfqgPGhQ178bkVKpXTPEXnFJBrEt8/DKRZlybmy+IgYLTeN7tp1R5Ccmbm2rBk17sHYU3g==
+
+"@babel/plugin-proposal-async-generator-functions@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.2.0.tgz#b289b306669dce4ad20b0252889a15768c9d417e"
+  integrity sha512-+Dfo/SCQqrwx48ptLVGLdE39YtWRuKc/Y9I5Fy0P1DDBB9lsAHpjcEJQt+4IifuSOSTLBKJObJqMvaO1pIE8LQ==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-remap-async-to-generator" "^7.1.0"
+    "@babel/plugin-syntax-async-generators" "^7.2.0"
+
+"@babel/plugin-proposal-class-properties@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.5.5.tgz#a974cfae1e37c3110e71f3c6a2e48b8e71958cd4"
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+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-reserved-words/-/plugin-transform-reserved-words-7.2.0.tgz#4792af87c998a49367597d07fedf02636d2e1634"
+  integrity sha512-fz43fqW8E1tAB3DKF19/vxbpib1fuyCwSPE418ge5ZxILnBhWyhtPgz8eh1RCGGJlwvksHkyxMxh0eenFi+kFw==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+
+"@babel/plugin-transform-shorthand-properties@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-shorthand-properties/-/plugin-transform-shorthand-properties-7.2.0.tgz#6333aee2f8d6ee7e28615457298934a3b46198f0"
+  integrity sha512-QP4eUM83ha9zmYtpbnyjTLAGKQritA5XW/iG9cjtuOI8s1RuL/3V6a3DeSHfKutJQ+ayUfeZJPcnCYEQzaPQqg==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+
+"@babel/plugin-transform-spread@^7.2.0":
+  version "7.2.2"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-spread/-/plugin-transform-spread-7.2.2.tgz#3103a9abe22f742b6d406ecd3cd49b774919b406"
+  integrity sha512-KWfky/58vubwtS0hLqEnrWJjsMGaOeSBn90Ezn5Jeg9Z8KKHmELbP1yGylMlm5N6TPKeY9A2+UaSYLdxahg01w==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+
+"@babel/plugin-transform-sticky-regex@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.2.0.tgz#a1e454b5995560a9c1e0d537dfc15061fd2687e1"
+  integrity sha512-KKYCoGaRAf+ckH8gEL3JHUaFVyNHKe3ASNsZ+AlktgHevvxGigoIttrEJb8iKN03Q7Eazlv1s6cx2B2cQ3Jabw==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-regex" "^7.0.0"
+
+"@babel/plugin-transform-template-literals@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-template-literals/-/plugin-transform-template-literals-7.4.4.tgz#9d28fea7bbce637fb7612a0750989d8321d4bcb0"
+  integrity sha512-mQrEC4TWkhLN0z8ygIvEL9ZEToPhG5K7KDW3pzGqOfIGZ28Jb0POUkeWcoz8HnHvhFy6dwAT1j8OzqN8s804+g==
+  dependencies:
+    "@babel/helper-annotate-as-pure" "^7.0.0"
+    "@babel/helper-plugin-utils" "^7.0.0"
+
+"@babel/plugin-transform-typeof-symbol@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.2.0.tgz#117d2bcec2fbf64b4b59d1f9819894682d29f2b2"
+  integrity sha512-2LNhETWYxiYysBtrBTqL8+La0jIoQQnIScUJc74OYvUGRmkskNY4EzLCnjHBzdmb38wqtTaixpo1NctEcvMDZw==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+
+"@babel/plugin-transform-typescript@^7.3.2":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typescript/-/plugin-transform-typescript-7.5.5.tgz#6d862766f09b2da1cb1f7d505fe2aedab6b7d4b8"
+  integrity sha512-pehKf4m640myZu5B2ZviLaiBlxMCjSZ1qTEO459AXKX5GnPueyulJeCqZFs1nz/Ya2dDzXQ1NxZ/kKNWyD4h6w==
+  dependencies:
+    "@babel/helper-create-class-features-plugin" "^7.5.5"
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-syntax-typescript" "^7.2.0"
+
+"@babel/plugin-transform-unicode-regex@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-regex/-/plugin-transform-unicode-regex-7.4.4.tgz#ab4634bb4f14d36728bf5978322b35587787970f"
+  integrity sha512-il+/XdNw01i93+M9J9u4T7/e/Ue/vWfNZE4IRUQjplu2Mqb/AFTDimkw2tdEdSH50wuQXZAbXSql0UphQke+vA==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-regex" "^7.4.4"
+    regexpu-core "^4.5.4"
+
+"@babel/preset-env@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.5.5.tgz#bc470b53acaa48df4b8db24a570d6da1fef53c9a"
+  integrity sha512-GMZQka/+INwsMz1A5UEql8tG015h5j/qjptpKY2gJ7giy8ohzU710YciJB5rcKsWGWHiW3RUnHib0E5/m3Tp3A==
+  dependencies:
+    "@babel/helper-module-imports" "^7.0.0"
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-proposal-async-generator-functions" "^7.2.0"
+    "@babel/plugin-proposal-dynamic-import" "^7.5.0"
+    "@babel/plugin-proposal-json-strings" "^7.2.0"
+    "@babel/plugin-proposal-object-rest-spread" "^7.5.5"
+    "@babel/plugin-proposal-optional-catch-binding" "^7.2.0"
+    "@babel/plugin-proposal-unicode-property-regex" "^7.4.4"
+    "@babel/plugin-syntax-async-generators" "^7.2.0"
+    "@babel/plugin-syntax-dynamic-import" "^7.2.0"
+    "@babel/plugin-syntax-json-strings" "^7.2.0"
+    "@babel/plugin-syntax-object-rest-spread" "^7.2.0"
+    "@babel/plugin-syntax-optional-catch-binding" "^7.2.0"
+    "@babel/plugin-transform-arrow-functions" "^7.2.0"
+    "@babel/plugin-transform-async-to-generator" "^7.5.0"
+    "@babel/plugin-transform-block-scoped-functions" "^7.2.0"
+    "@babel/plugin-transform-block-scoping" "^7.5.5"
+    "@babel/plugin-transform-classes" "^7.5.5"
+    "@babel/plugin-transform-computed-properties" "^7.2.0"
+    "@babel/plugin-transform-destructuring" "^7.5.0"
+    "@babel/plugin-transform-dotall-regex" "^7.4.4"
+    "@babel/plugin-transform-duplicate-keys" "^7.5.0"
+    "@babel/plugin-transform-exponentiation-operator" "^7.2.0"
+    "@babel/plugin-transform-for-of" "^7.4.4"
+    "@babel/plugin-transform-function-name" "^7.4.4"
+    "@babel/plugin-transform-literals" "^7.2.0"
+    "@babel/plugin-transform-member-expression-literals" "^7.2.0"
+    "@babel/plugin-transform-modules-amd" "^7.5.0"
+    "@babel/plugin-transform-modules-commonjs" "^7.5.0"
+    "@babel/plugin-transform-modules-systemjs" "^7.5.0"
+    "@babel/plugin-transform-modules-umd" "^7.2.0"
+    "@babel/plugin-transform-named-capturing-groups-regex" "^7.4.5"
+    "@babel/plugin-transform-new-target" "^7.4.4"
+    "@babel/plugin-transform-object-super" "^7.5.5"
+    "@babel/plugin-transform-parameters" "^7.4.4"
+    "@babel/plugin-transform-property-literals" "^7.2.0"
+    "@babel/plugin-transform-regenerator" "^7.4.5"
+    "@babel/plugin-transform-reserved-words" "^7.2.0"
+    "@babel/plugin-transform-shorthand-properties" "^7.2.0"
+    "@babel/plugin-transform-spread" "^7.2.0"
+    "@babel/plugin-transform-sticky-regex" "^7.2.0"
+    "@babel/plugin-transform-template-literals" "^7.4.4"
+    "@babel/plugin-transform-typeof-symbol" "^7.2.0"
+    "@babel/plugin-transform-unicode-regex" "^7.4.4"
+    "@babel/types" "^7.5.5"
+    browserslist "^4.6.0"
+    core-js-compat "^3.1.1"
+    invariant "^2.2.2"
+    js-levenshtein "^1.1.3"
+    semver "^5.5.0"
+
+"@babel/preset-typescript@^7.3.3":
+  version "7.3.3"
+  resolved "https://registry.yarnpkg.com/@babel/preset-typescript/-/preset-typescript-7.3.3.tgz#88669911053fa16b2b276ea2ede2ca603b3f307a"
+  integrity sha512-mzMVuIP4lqtn4du2ynEfdO0+RYcslwrZiJHXu4MGaC1ctJiW2fyaeDrtjJGs7R/KebZ1sgowcIoWf4uRpEfKEg==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-transform-typescript" "^7.3.2"
+
 "@babel/template@^7.1.0", "@babel/template@^7.4.0", "@babel/template@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.4.4.tgz#f4b88d1225689a08f5bc3a17483545be9e4ed237"
@@ -104,6 +719,21 @@
     "@babel/parser" "^7.4.4"
     "@babel/types" "^7.4.4"
 
+"@babel/traverse@^7.1.0", "@babel/traverse@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.5.5.tgz#f664f8f368ed32988cd648da9f72d5ca70f165bb"
+  integrity sha512-MqB0782whsfffYfSjH4TM+LMjrJnhCNEDMDIjeTpl+ASaUvxcjoiVCo/sM1GhS1pHOXYfWVCYneLjMckuUxDaQ==
+  dependencies:
+    "@babel/code-frame" "^7.5.5"
+    "@babel/generator" "^7.5.5"
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/helper-split-export-declaration" "^7.4.4"
+    "@babel/parser" "^7.5.5"
+    "@babel/types" "^7.5.5"
+    debug "^4.1.0"
+    globals "^11.1.0"
+    lodash "^4.17.13"
+
 "@babel/traverse@^7.4.3", "@babel/traverse@^7.4.4", "@babel/traverse@^7.4.5":
   version "7.4.5"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.4.5.tgz#4e92d1728fd2f1897dafdd321efbff92156c3216"
@@ -128,6 +758,15 @@
     lodash "^4.17.11"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.2.0", "@babel/types@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.5.5.tgz#97b9f728e182785909aa4ab56264f090a028d18a"
+  integrity sha512-s63F9nJioLqOlW3UkyMd+BYhXt44YuaFm/VV0VwuteqjYwRrObkU7ra9pY4wAJR3oXi8hJrMcrcJdO/HH33vtw==
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.17.13"
+    to-fast-properties "^2.0.0"
+
 "@choojs/findup@^0.2.0":
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/@choojs/findup/-/findup-0.2.1.tgz#ac13c59ae7be6e1da64de0779a0a7f03d75615a3"
@@ -1083,6 +1722,23 @@ aws4@^1.6.0, aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.8.0.tgz#f0e003d9ca9e7f59c7a508945d7b2ef9a04a542f"
   integrity sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==
 
+babel-loader@^8.0.6:
+  version "8.0.6"
+  resolved "https://registry.yarnpkg.com/babel-loader/-/babel-loader-8.0.6.tgz#e33bdb6f362b03f4bb141a0c21ab87c501b70dfb"
+  integrity sha512-4BmWKtBOBm13uoUwd08UwjZlaw3O9GWf456R9j+5YykFZ6LUIjIKLc0zEZf+hauxPOJs96C8k6FvYD09vWzhYw==
+  dependencies:
+    find-cache-dir "^2.0.0"
+    loader-utils "^1.0.2"
+    mkdirp "^0.5.1"
+    pify "^4.0.1"
+
+babel-plugin-dynamic-import-node@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-dynamic-import-node/-/babel-plugin-dynamic-import-node-2.3.0.tgz#f00f507bdaa3c3e3ff6e7e5e98d90a7acab96f7f"
+  integrity sha512-o6qFkpeQEBxcqt0XYlWzAVxNCSCZdUgcR8IRlhD/8DylxjjO4foPcvTW0GGKa/cVt3rvxZ7o5ippJ+/0nvLhlQ==
+  dependencies:
+    object.assign "^4.1.0"
+
 bail@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/bail/-/bail-1.0.3.tgz#63cfb9ddbac829b02a3128cd53224be78e6c21a3"
@@ -1379,6 +2035,15 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
+browserslist@^4.6.0, browserslist@^4.6.2:
+  version "4.6.6"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.6.6.tgz#6e4bf467cde520bc9dbdf3747dafa03531cec453"
+  integrity sha512-D2Nk3W9JL9Fp/gIcWei8LrERCS+eXu9AM5cfXA8WEZ84lFks+ARnZ0q/R69m2SV3Wjma83QDDPxsNKXUwdIsyA==
+  dependencies:
+    caniuse-lite "^1.0.30000984"
+    electron-to-chromium "^1.3.191"
+    node-releases "^1.1.25"
+
 browserslist@^4.6.1:
   version "4.6.1"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.6.1.tgz#ee5059b1aec18cbec9d055d6cb5e24ae50343a9b"
@@ -1615,6 +2280,11 @@ caniuse-lite@^1.0.30000971:
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000973.tgz#2f8e8e54f9e6c5b7a631c9e69bfa1093d8cfd360"
   integrity sha512-/F3t/Yo8LEdRSEPCmI15fLu5vepVh9UCg/9inJXF5AAfW7xRRJkbaM2ut52iRMQMnGCLQouLbFdbOA+VEFOIsg==
 
+caniuse-lite@^1.0.30000984:
+  version "1.0.30000984"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000984.tgz#dc96c3c469e9bcfc6ad5bdd24c77ec918ea76fe0"
+  integrity sha512-n5tKOjMaZ1fksIpQbjERuqCyfgec/m9pferkFQbLmWtqLUdmt12hNhjSwsmPdqeiG2NkITOQhr1VYIwWSAceiA==
+
 canvas-fit@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/canvas-fit/-/canvas-fit-1.5.0.tgz#ae13be66ade42f5be0e487e345fce30a5e5b5e5f"
@@ -1677,7 +2347,7 @@ chalk@^1.1.1:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.3.1, chalk@^2.4.1:
+chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.1, chalk@^2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
   integrity sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==
@@ -2225,6 +2895,20 @@ copy-descriptor@^0.1.0:
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
   integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
 
+core-js-compat@^3.1.1:
+  version "3.1.4"
+  resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.1.4.tgz#e4d0c40fbd01e65b1d457980fe4112d4358a7408"
+  integrity sha512-Z5zbO9f1d0YrJdoaQhphVAnKPimX92D6z8lCGphH89MNRxlL1prI9ExJPqVwP0/kgkQCv8c4GJGT8X16yUncOg==
+  dependencies:
+    browserslist "^4.6.2"
+    core-js-pure "3.1.4"
+    semver "^6.1.1"
+
+core-js-pure@3.1.4:
+  version "3.1.4"
+  resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.1.4.tgz#5fa17dc77002a169a3566cc48dc774d2e13e3769"
+  integrity sha512-uJ4Z7iPNwiu1foygbcZYJsJs1jiXrTTCvxfLDXNhI/I+NHbSIEyr548y4fcsCEyWY0XgfAG/qqaunJ1SThHenA==
+
 core-js@^2.5.7:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.9.tgz#6b4b214620c834152e179323727fc19741b084f2"
@@ -3043,6 +3727,11 @@ electron-to-chromium@^1.3.137:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.148.tgz#5796c0d9eb0358d397163413b90bf376c5d8bf08"
   integrity sha512-nuCOlXNlGMQmdzihIPGm2K3Yf3H1hke/1rK381i02pH8wNliJU9hVNnOi/xjmxt+mjABd/BzufP5nPHWKshLWA==
 
+electron-to-chromium@^1.3.191:
+  version "1.3.196"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.196.tgz#1a7885855880fa3ae7a8908c442757e561eec82b"
+  integrity sha512-NFGRHzY0x8yIUFnAthKxaOKe5q+c8jjvyQM2pMq2+59QORz8AN5+qXPJBwX05kz2uEtyraX2XxB0LPT+7EE6vw==
+
 element-size@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/element-size/-/element-size-1.1.1.tgz#64e5f159d97121631845bcbaecaf279c39b5e34e"
@@ -3110,7 +3799,7 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   dependencies:
     once "^1.4.0"
 
-enhanced-resolve@^4.0.0, enhanced-resolve@^4.1.0:
+enhanced-resolve@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-4.1.0.tgz#41c7e0bfdfe74ac1ffe1e57ad6a5c6c9f3742a7f"
   integrity sha512-F/7vkyTtyc/llOIn8oWclcB25KdRaiPBpZYDgJHgh/UHtpgT2p2eldQgtQnLtUvfMKPKxbRaQM/hHkvLHt1Vng==
@@ -5372,6 +6061,13 @@ interval-tree-1d@^1.0.1:
   dependencies:
     binary-search-bounds "^1.0.0"
 
+invariant@^2.2.2:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
+  integrity sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==
+  dependencies:
+    loose-envify "^1.0.0"
+
 invert-kv@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
@@ -5853,7 +6549,12 @@ js-base64@^2.1.8:
   resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.4.8.tgz#57a9b130888f956834aa40c5b165ba59c758f033"
   integrity sha512-hm2nYpDrwoO/OzBhdcqs/XGT6XjSuSSCVEpia+Kl2J6x4CYt5hISlVL/AYU1khoDXv0AQVgxtdJySb9gjAn56Q==
 
-js-tokens@^4.0.0:
+js-levenshtein@^1.1.3:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/js-levenshtein/-/js-levenshtein-1.1.6.tgz#c6cee58eb3550372df8deb85fad5ce66ce01d59d"
+  integrity sha512-X2BB11YZtrRqY4EnQcLX5Rh373zbK4alC1FW7D7MBhL2gtcC17cTnr6DmfHZeS0s2rTHjUTMMHfG7gO8SSdw+g==
+
+"js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
   integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
@@ -5941,6 +6642,11 @@ jsesc@^2.5.1:
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-2.5.2.tgz#80564d2e483dacf6e8ef209650a67df3f0c283a4"
   integrity sha512-OYu7XEzjkCQ3C5Ps3QIZsQfNpqoJyZZA99wd9aWd05NCtC5pWOkShK2mkL6HXQR6/Cy2lbNdPlZBpuQHXE63gA==
 
+jsesc@~0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
+  integrity sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=
+
 json-parse-better-errors@^1.0.1, json-parse-better-errors@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
@@ -6267,6 +6973,11 @@ lodash@^4.17.11:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
 
+lodash@^4.17.13:
+  version "4.17.15"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
+  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+
 log-symbols@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-2.2.0.tgz#5740e1c5d6f0dfda4ad9323b5332107ef6b4c40a"
@@ -6289,6 +7000,13 @@ longest@^1.0.1:
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
   integrity sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=
 
+loose-envify@^1.0.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"
+  integrity sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==
+  dependencies:
+    js-tokens "^3.0.0 || ^4.0.0"
+
 loud-rejection@^1.0.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
@@ -7146,6 +7864,13 @@ node-releases@^1.1.21:
   dependencies:
     semver "^5.3.0"
 
+node-releases@^1.1.25:
+  version "1.1.25"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.25.tgz#0c2d7dbc7fed30fbe02a9ee3007b8c90bf0133d3"
+  integrity sha512-fI5BXuk83lKEoZDdH3gRhtsNgh05/wZacuXkgbiYkceE7+QIMXOg98n9ZV7mz27B+kFHnqHcUpscZZlGRSmTpQ==
+  dependencies:
+    semver "^5.3.0"
+
 node-sass@4.12.0:
   version "4.12.0"
   resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.12.0.tgz#0914f531932380114a30cc5fa4fa63233a25f017"
@@ -7381,7 +8106,7 @@ object-inspect@~1.6.0:
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.6.0.tgz#c70b6cbf72f274aab4c34c0c82f5167bf82cf15b"
   integrity sha512-GJzfBZ6DgDAmnuaM3104jR4s1Myxr3Y3zfIyN4z3UdqN69oSRacNK8UhnobDdC+7J2AHCjGwxQubNJfE70SXXQ==
 
-object-keys@^1.0.12, object-keys@^1.0.9:
+object-keys@^1.0.11, object-keys@^1.0.12, object-keys@^1.0.9:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
   integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
@@ -7408,6 +8133,16 @@ object-visit@^1.0.0:
   dependencies:
     isobject "^3.0.0"
 
+object.assign@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.0.tgz#968bf1100d7956bb3ca086f006f846b3bc4008da"
+  integrity sha512-exHJeq6kBKj58mqGyTQ9DFvrZC/eR6OwxzoM9YRoGBqrXYonaFyGiFMuc9VZrXf7DarreEwMpurG3dd+CNyW5w==
+  dependencies:
+    define-properties "^1.1.2"
+    function-bind "^1.1.1"
+    has-symbols "^1.0.0"
+    object-keys "^1.0.11"
+
 object.getownpropertydescriptors@^2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.0.3.tgz#8758c846f5b407adab0f236e0986f14b051caa16"
@@ -8258,6 +8993,11 @@ prepend-http@^2.0.0:
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
   integrity sha1-6SQ0v6XqjBn0HN/UAddBo8gZ2Jc=
 
+private@^0.1.6:
+  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@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
@@ -8673,6 +9413,25 @@ reduce-simplicial-complex@^1.0.0:
     compare-cell "^1.0.0"
     compare-oriented-cell "^1.0.1"
 
+regenerate-unicode-properties@^8.0.2:
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/regenerate-unicode-properties/-/regenerate-unicode-properties-8.1.0.tgz#ef51e0f0ea4ad424b77bf7cb41f3e015c70a3f0e"
+  integrity sha512-LGZzkgtLY79GeXLm8Dp0BVLdQlWICzBnJz/ipWUgo59qBaZ+BHtq51P2q1uVZlppMuUAT37SDk39qUbjTWB7bA==
+  dependencies:
+    regenerate "^1.4.0"
+
+regenerate@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
+  integrity sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==
+
+regenerator-transform@^0.14.0:
+  version "0.14.1"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.14.1.tgz#3b2fce4e1ab7732c08f665dfdb314749c7ddd2fb"
+  integrity sha512-flVuee02C3FKRISbxhXl9mGzdbWUVHubl1SMaknjxkFB1/iqpJhArQUvRxOOPEc/9tAiX0BaQ28FJH10E4isSQ==
+  dependencies:
+    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"
@@ -8686,11 +9445,40 @@ regex-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/regex-regex/-/regex-regex-1.0.0.tgz#9048a1eaeb870f4d480dabc76fc42cdcc0bc3a72"
   integrity sha1-kEih6uuHD01IDavHb8Qs3MC8OnI=
 
+regexp-tree@^0.1.6:
+  version "0.1.11"
+  resolved "https://registry.yarnpkg.com/regexp-tree/-/regexp-tree-0.1.11.tgz#c9c7f00fcf722e0a56c7390983a7a63dd6c272f3"
+  integrity sha512-7/l/DgapVVDzZobwMCCgMlqiqyLFJ0cduo/j+3BcDJIB+yJdsYCfKuI3l/04NV+H/rfNRdPIDbXNZHM9XvQatg==
+
 regexpp@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-2.0.1.tgz#8d19d31cf632482b589049f8281f93dbcba4d07f"
   integrity sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==
 
+regexpu-core@^4.5.4:
+  version "4.5.4"
+  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-4.5.4.tgz#080d9d02289aa87fe1667a4f5136bc98a6aebaae"
+  integrity sha512-BtizvGtFQKGPUcTy56o3nk1bGRp4SZOTYrDtGNlqCQufptV5IkkLN6Emw+yunAJjzf+C9FQFtvq7IoA3+oMYHQ==
+  dependencies:
+    regenerate "^1.4.0"
+    regenerate-unicode-properties "^8.0.2"
+    regjsgen "^0.5.0"
+    regjsparser "^0.6.0"
+    unicode-match-property-ecmascript "^1.0.4"
+    unicode-match-property-value-ecmascript "^1.1.0"
+
+regjsgen@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.5.0.tgz#a7634dc08f89209c2049adda3525711fb97265dd"
+  integrity sha512-RnIrLhrXCX5ow/E5/Mh2O4e/oa1/jW0eaBKTSy3LaCj+M3Bqvm97GWDp2yUtzIs4LEn65zR2yiYGFqb2ApnzDA==
+
+regjsparser@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.6.0.tgz#f1e6ae8b7da2bae96c99399b868cd6c933a2ba9c"
+  integrity sha512-RQ7YyokLiQBomUJuUG8iGVvkgOLxwyZM8k6d3q5SAXpg4r5TZJZigKFvC6PpD+qQ98bCDC5YelPeA3EucDoNeQ==
+  dependencies:
+    jsesc "~0.5.0"
+
 regl-error2d@^2.0.7:
   version "2.0.7"
   resolved "https://registry.yarnpkg.com/regl-error2d/-/regl-error2d-2.0.7.tgz#26488bcc62d55d1c7085e330228dbc3142888afa"
@@ -10739,17 +11527,6 @@ trough@^1.0.0:
   dependencies:
     glob "^6.0.4"
 
-ts-loader@6.0.2:
-  version "6.0.2"
-  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-6.0.2.tgz#cbd46a1495668ed9d59813f5c66f4bb49ff0c14c"
-  integrity sha512-kkF3sGf3oBUehlvXI9fkbItbFTnNgGkYAz91vtWnsKAU4m+LAmQjuby7uTZNo3As+/zHLuyB052SkQDY6vLXtg==
-  dependencies:
-    chalk "^2.3.0"
-    enhanced-resolve "^4.0.0"
-    loader-utils "^1.0.2"
-    micromatch "^4.0.0"
-    semver "^6.0.0"
-
 ts-node@7.0.1:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-7.0.1.tgz#9562dc2d1e6d248d24bc55f773e3f614337d9baf"
@@ -10918,6 +11695,29 @@ unherit@^1.0.4:
     inherits "^2.0.1"
     xtend "^4.0.1"
 
+unicode-canonical-property-names-ecmascript@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz#2619800c4c825800efdd8343af7dd9933cbe2818"
+  integrity sha512-jDrNnXWHd4oHiTZnx/ZG7gtUTVp+gCcTTKr8L0HjlwphROEW3+Him+IpvC+xcJEFegapiMZyZe02CyuOnRmbnQ==
+
+unicode-match-property-ecmascript@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/unicode-match-property-ecmascript/-/unicode-match-property-ecmascript-1.0.4.tgz#8ed2a32569961bce9227d09cd3ffbb8fed5f020c"
+  integrity sha512-L4Qoh15vTfntsn4P1zqnHulG0LdXgjSO035fEpdtp6YxXhMT51Q6vgM5lYdG/5X3MjS+k/Y9Xw4SFCY9IkR0rg==
+  dependencies:
+    unicode-canonical-property-names-ecmascript "^1.0.4"
+    unicode-property-aliases-ecmascript "^1.0.4"
+
+unicode-match-property-value-ecmascript@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/unicode-match-property-value-ecmascript/-/unicode-match-property-value-ecmascript-1.1.0.tgz#5b4b426e08d13a80365e0d657ac7a6c1ec46a277"
+  integrity sha512-hDTHvaBk3RmFzvSl0UVrUmC3PuW9wKVnpoUDYH0JDkSIovzw+J5viQmeYHxVSBptubnr7PbH2e0fnpDRQnQl5g==
+
+unicode-property-aliases-ecmascript@^1.0.4:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-1.0.5.tgz#a9cc6cc7ce63a0a3023fc99e341b94431d405a57"
+  integrity sha512-L5RAqCfXqAwR3RriF8pM0lU0w4Ryf/GgzONwi6KnL1taJQa7x1TCxdJnILX59WIGOwR57IVxn7Nej0fz1Ny6fw==
+
 unified@^7.0.0:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/unified/-/unified-7.1.0.tgz#5032f1c1ee3364bd09da12e27fdd4a7553c7be13"