Upgrade webpack

11 files changed, 294 insertions, 485 deletions

diff --git a/packages/0x.js/package.json b/packages/0x.js/package.json
index c89a3e613..268972a4f 100644
--- a/packages/0x.js/package.json
+++ b/packages/0x.js/package.json
@@ -52,13 +52,12 @@
         "@types/node": "*",
         "@types/sinon": "^2.2.2",
         "@types/web3-provider-engine": "^14.0.0",
-        "awesome-typescript-loader": "^3.1.3",
+        "awesome-typescript-loader": "^5.2.1",
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
         "chai-bignumber": "^2.0.1",
         "copyfiles": "^2.0.0",
         "dirty-chai": "^2.0.1",
-        "json-loader": "^0.5.4",
         "make-promises-safe": "^1.1.0",
         "mocha": "^4.1.0",
         "npm-run-all": "^4.1.2",
@@ -70,8 +69,8 @@
         "tslint": "5.11.0",
         "typedoc": "0.12.0",
         "typescript": "3.0.1",
-        "uglifyjs-webpack-plugin": "^1.3.0",
-        "webpack": "^3.1.0"
+        "uglifyjs-webpack-plugin": "^2.0.1",
+        "webpack": "^4.20.2"
     },
     "dependencies": {
         "@0xproject/assert": "^1.0.12",
diff --git a/packages/0x.js/webpack.config.js b/packages/0x.js/webpack.config.js
index 1ad0a79ec..397faa76f 100644
--- a/packages/0x.js/webpack.config.js
+++ b/packages/0x.js/webpack.config.js
@@ -2,8 +2,7 @@
  * This is to generate the umd bundle only
  */
 const _ = require('lodash');
-const webpack = require('webpack');
-const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
+const TerserPlugin = require('terser-webpack-plugin');
 const path = require('path');
 const production = process.env.NODE_ENV === 'production';
 
@@ -16,6 +15,7 @@ if (production) {
 
 module.exports = {
     entry,
+    mode: 'production',
     output: {
         path: path.resolve(__dirname, '_bundles'),
         filename: '[name].js',
@@ -27,19 +27,18 @@ module.exports = {
         extensions: ['.ts', '.js', '.json'],
     },
     devtool: 'source-map',
-    plugins: [
-        // TODO: Revert to webpack bundled version with webpack v4.
-        // The v3 series bundled version does not support ES6 and
-        // fails to build.
-        new UglifyJsPlugin({
-            sourceMap: true,
-            uglifyOptions: {
-                mangle: {
-                    reserved: ['BigNumber'],
+    optimization: {
+        minimizer: [
+            new TerserPlugin({
+                sourceMap: true,
+                terserOptions: {
+                    mangle: {
+                        reserved: ['BigNumber'],
+                    },
                 },
-            },
-        }),
-    ],
+            }),
+        ],
+    },
     module: {
         rules: [
             {
@@ -59,10 +58,6 @@ module.exports = {
                 ],
                 exclude: /node_modules/,
             },
-            {
-                test: /\.json$/,
-                loader: 'json-loader',
-            },
         ],
     },
 };
diff --git a/packages/contract-wrappers/package.json b/packages/contract-wrappers/package.json
index 22dd6521c..c345d0a6a 100644
--- a/packages/contract-wrappers/package.json
+++ b/packages/contract-wrappers/package.json
@@ -53,7 +53,6 @@
         "@types/sinon": "^2.2.2",
         "@types/uuid": "^3.4.2",
         "@types/web3-provider-engine": "^14.0.0",
-        "awesome-typescript-loader": "^3.1.3",
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
         "chai-bignumber": "^2.0.1",
diff --git a/packages/order-watcher/package.json b/packages/order-watcher/package.json
index 9f57dd6fd..de5f7ba09 100644
--- a/packages/order-watcher/package.json
+++ b/packages/order-watcher/package.json
@@ -52,13 +52,11 @@
         "@types/mocha": "^2.2.42",
         "@types/node": "*",
         "@types/sinon": "^2.2.2",
-        "awesome-typescript-loader": "^3.1.3",
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
         "chai-bignumber": "^2.0.1",
         "copyfiles": "^2.0.0",
         "dirty-chai": "^2.0.1",
-        "json-loader": "^0.5.4",
         "make-promises-safe": "^1.1.0",
         "mocha": "^4.1.0",
         "npm-run-all": "^4.1.2",
diff --git a/packages/subproviders/package.json b/packages/subproviders/package.json
index f9063228f..491f079d2 100644
--- a/packages/subproviders/package.json
+++ b/packages/subproviders/package.json
@@ -76,7 +76,7 @@
         "tslint": "5.11.0",
         "typedoc": "0.12.0",
         "typescript": "3.0.1",
-        "webpack": "^3.1.0"
+        "webpack": "^4.20.2"
     },
     "optionalDependencies": {
         "@ledgerhq/hw-transport-node-hid": "^4.3.0"
diff --git a/packages/testnet-faucets/package.json b/packages/testnet-faucets/package.json
index 33f557538..8213f896f 100644
--- a/packages/testnet-faucets/package.json
+++ b/packages/testnet-faucets/package.json
@@ -36,15 +36,15 @@
         "@types/body-parser": "^1.16.1",
         "@types/express": "^4.0.35",
         "@types/lodash": "4.14.104",
-        "awesome-typescript-loader": "^3.1.3",
+        "awesome-typescript-loader": "^5.2.1",
         "gulp": "^3.9.1",
         "make-promises-safe": "^1.1.0",
         "nodemon": "^1.11.0",
         "shx": "^0.2.2",
-        "source-map-loader": "^0.1.6",
+        "source-map-loader": "^0.2.4",
         "tslint": "5.11.0",
         "typescript": "3.0.1",
-        "webpack": "^3.1.0",
+        "webpack": "^4.20.2",
         "webpack-node-externals": "^1.6.0"
     }
 }
diff --git a/packages/website/package.json b/packages/website/package.json
index 8c115d8a0..530f71677 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -7,11 +7,12 @@
     "private": true,
     "description": "Website and 0x portal dapp",
     "scripts": {
-        "build": "NODE_ENV=production node --max_old_space_size=8192 ../../node_modules/.bin/webpack",
+        "build": "node --max_old_space_size=8192 ../../node_modules/.bin/webpack --mode production",
+        "build:dev": "../../node_modules/.bin/webpack --mode development",
         "build:ci": "yarn build",
         "clean": "shx rm -f public/bundle*",
         "lint": "tslint --project . 'ts/**/*.ts' 'ts/**/*.tsx'",
-        "watch_without_deps": "webpack-dev-server --content-base public --https",
+        "dev": "webpack-dev-server --mode development --content-base public --https",
         "deploy_dogfood": "npm run build; aws s3 sync ./public/. s3://dogfood.0xproject.com --profile 0xproject --region us-east-1 --grants read=uri=http://acs.amazonaws.com/groups/global/AllUsers",
         "deploy_staging": "npm run build; aws s3 sync ./public/. s3://staging-0xproject --profile 0xproject --region us-east-1 --grants read=uri=http://acs.amazonaws.com/groups/global/AllUsers",
         "deploy_live": "DEPLOY_ROLLBAR_SOURCEMAPS=true npm run build; aws s3 sync ./public/. s3://0xproject.com --profile 0xproject --region us-east-1 --grants read=uri=http://acs.amazonaws.com/groups/global/AllUsers --exclude *.map.js"
@@ -87,26 +88,23 @@
         "@types/react-tap-event-plugin": "0.0.30",
         "@types/redux": "^3.6.0",
         "@types/web3-provider-engine": "^14.0.0",
-        "awesome-typescript-loader": "^3.1.3",
-        "copy-webpack-plugin": "^4.0.1",
+        "awesome-typescript-loader": "^5.2.1",
         "copyfiles": "^2.0.0",
         "css-loader": "0.23.x",
-        "exports-loader": "0.6.x",
-        "imports-loader": "0.6.x",
-        "json-loader": "^0.5.4",
-        "less-loader": "^2.2.3",
+        "less-loader": "^4.1.0",
         "make-promises-safe": "^1.1.0",
         "raw-loader": "^0.5.1",
-        "rollbar-sourcemap-webpack-plugin": "^2.3.0",
+        "rollbar-sourcemap-webpack-plugin": "^2.4.0",
         "shx": "^0.2.2",
-        "source-map-loader": "^0.1.6",
-        "style-loader": "0.13.x",
+        "source-map-loader": "^0.2.4",
+        "style-loader": "0.23.x",
+        "terser-webpack-plugin": "^1.1.0",
         "tslint": "5.11.0",
         "tslint-config-0xproject": "^0.0.2",
         "typescript": "3.0.1",
-        "uglifyjs-webpack-plugin": "^1.2.5",
-        "webpack": "^3.1.0",
-        "webpack-dev-middleware": "^1.10.0",
-        "webpack-dev-server": "^2.5.0"
+        "uglifyjs-webpack-plugin": "^2.0.1",
+        "webpack": "^4.20.2",
+        "webpack-cli": "3.1.2",
+        "webpack-dev-server": "^3.1.9"
     }
 }
diff --git a/packages/website/ts/index.tsx b/packages/website/ts/index.tsx
index 9e59b00ac..d4a79cc4f 100644
--- a/packages/website/ts/index.tsx
+++ b/packages/website/ts/index.tsx
@@ -26,47 +26,47 @@ import 'less/all.less';
 
 // We pass modulePromise returning lambda instead of module promise,
 // cause we only want to import the module when the user navigates to the page.
-// At the same time webpack statically parses for System.import() to determine bundle chunk split points
-// so each lazy import needs it's own `System.import()` declaration.
+// At the same time webpack statically parses for import() to determine bundle chunk split points
+// so each lazy import needs it's own `import()` declaration.
 
 const LazyPortal = createLazyComponent('Portal', async () =>
-    System.import<any>(/* webpackChunkName: "portal" */ 'ts/containers/portal'),
+    import(/* webpackChunkName: "portal" */ 'ts/containers/portal'),
 );
 const LazyZeroExJSDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "zeroExDocs" */ 'ts/containers/zero_ex_js_documentation'),
+    import(/* webpackChunkName: "zeroExDocs" */ 'ts/containers/zero_ex_js_documentation'),
 );
 const LazyContractWrappersDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "contractWrapperDocs" */ 'ts/containers/contract_wrappers_documentation'),
+    import(/* webpackChunkName: "contractWrapperDocs" */ 'ts/containers/contract_wrappers_documentation'),
 );
 const LazyOrderWatcherDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "orderWatcherDocs" */ 'ts/containers/order_watcher_documentation'),
+    import(/* webpackChunkName: "orderWatcherDocs" */ 'ts/containers/order_watcher_documentation'),
 );
 const LazySmartContractsDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "smartContractDocs" */ 'ts/containers/smart_contracts_documentation'),
+    import(/* webpackChunkName: "smartContractDocs" */ 'ts/containers/smart_contracts_documentation'),
 );
 const LazyConnectDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "connectDocs" */ 'ts/containers/connect_documentation'),
+    import(/* webpackChunkName: "connectDocs" */ 'ts/containers/connect_documentation'),
 );
 const LazyWeb3WrapperDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "web3WrapperDocs" */ 'ts/containers/web3_wrapper_documentation'),
+    import(/* webpackChunkName: "web3WrapperDocs" */ 'ts/containers/web3_wrapper_documentation'),
 );
 const LazySolCompilerDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "solCompilerDocs" */ 'ts/containers/sol_compiler_documentation'),
+    import(/* webpackChunkName: "solCompilerDocs" */ 'ts/containers/sol_compiler_documentation'),
 );
 const LazyJSONSchemasDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "jsonSchemasDocs" */ 'ts/containers/json_schemas_documentation'),
+    import(/* webpackChunkName: "jsonSchemasDocs" */ 'ts/containers/json_schemas_documentation'),
 );
 const LazySolCovDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "solCovDocs" */ 'ts/containers/sol_cov_documentation'),
+    import(/* webpackChunkName: "solCovDocs" */ 'ts/containers/sol_cov_documentation'),
 );
 const LazySubprovidersDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "subproviderDocs" */ 'ts/containers/subproviders_documentation'),
+    import(/* webpackChunkName: "subproviderDocs" */ 'ts/containers/subproviders_documentation'),
 );
 const LazyOrderUtilsDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "orderUtilsDocs" */ 'ts/containers/order_utils_documentation'),
+    import(/* webpackChunkName: "orderUtilsDocs" */ 'ts/containers/order_utils_documentation'),
 );
 const LazyEthereumTypesDocumentation = createLazyComponent('Documentation', async () =>
-    System.import<any>(/* webpackChunkName: "ethereumTypesDocs" */ 'ts/containers/ethereum_types_documentation'),
+    import(/* webpackChunkName: "ethereumTypesDocs" */ 'ts/containers/ethereum_types_documentation'),
 );
 
 const DOCUMENT_TITLE = '0x: The Protocol for Trading Tokens';
diff --git a/packages/website/ts/lazy_component.tsx b/packages/website/ts/lazy_component.tsx
index dce06ed8d..9d3b9944a 100644
--- a/packages/website/ts/lazy_component.tsx
+++ b/packages/website/ts/lazy_component.tsx
@@ -49,7 +49,7 @@ export class LazyComponent extends React.Component<LazyComponentProps, LazyCompo
  * @param  componentName    name of exported component
  * @param  lazyImport       lambda returning module promise
  *                          we pass a lambda because we only want to require a module if it's used
- * @example `const LazyPortal = createLazyComponent('Portal', () => System.import<any>('ts/containers/portal'));``
+ * @example `const LazyPortal = createLazyComponent('Portal', () => import<any>('ts/containers/portal'));``
  */
 export const createLazyComponent = (componentName: string, lazyImport: () => Promise<any>) => {
     return (props: any) => {
diff --git a/packages/website/webpack.config.js b/packages/website/webpack.config.js
index 8653196a6..1b213b339 100644
--- a/packages/website/webpack.config.js
+++ b/packages/website/webpack.config.js
@@ -1,6 +1,6 @@
 const path = require('path');
 const webpack = require('webpack');
-const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
+const TerserPlugin = require('terser-webpack-plugin');
 const RollbarSourceMapPlugin = require('rollbar-sourcemap-webpack-plugin');
 const childProcess = require('child_process');
 
@@ -9,44 +9,7 @@ const GIT_SHA = childProcess
     .toString()
     .trim();
 
-const generatePlugins = () => {
-    let plugins = [];
-    if (process.env.NODE_ENV === 'production') {
-        plugins = plugins.concat([
-            // Since we do not use moment's locale feature, we exclude them from the bundle.
-            // This reduces the bundle size by 0.4MB.
-            new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
-            new webpack.DefinePlugin({
-                'process.env': {
-                    NODE_ENV: JSON.stringify(process.env.NODE_ENV),
-                    GIT_SHA: JSON.stringify(GIT_SHA),
-                },
-            }),
-            // TODO: Revert to webpack bundled version with webpack v4.
-            // The v3 series bundled version does not support ES6 and
-            // fails to build.
-            new UglifyJsPlugin({
-                sourceMap: true,
-                uglifyOptions: {
-                    mangle: {
-                        reserved: ['BigNumber'],
-                    },
-                },
-            }),
-        ]);
-        if (process.env.DEPLOY_ROLLBAR_SOURCEMAPS === 'true') {
-            plugins = plugins.concat([
-                new RollbarSourceMapPlugin({
-                    accessToken: '32c39bfa4bb6440faedc1612a9c13d28',
-                    version: GIT_SHA,
-                    publicPath: 'https://0xproject.com/',
-                }),
-            ]);
-        }
-    }
-    return plugins;
-};
-module.exports = {
+const config = {
     entry: ['./ts/index.tsx'],
     output: {
         path: path.join(__dirname, '/public'),
@@ -54,7 +17,6 @@ module.exports = {
         chunkFilename: 'bundle-[name].js',
         publicPath: '/',
     },
-    devtool: 'source-map',
     resolve: {
         modules: [path.join(__dirname, '/ts'), 'node_modules'],
         extensions: ['.ts', '.tsx', '.js', '.jsx', '.json', '.md'],
@@ -92,10 +54,18 @@ module.exports = {
                 test: /\.css$/,
                 loaders: ['style-loader', 'css-loader'],
             },
-            {
-                test: /\.json$/,
-                loader: 'json-loader',
-            },
+        ],
+    },
+    optimization: {
+        minimizer: [
+            new TerserPlugin({
+                sourceMap: true,
+                terserOptions: {
+                    mangle: {
+                        reserved: ['BigNumber'],
+                    },
+                },
+            }),
         ],
     },
     devServer: {
@@ -115,5 +85,40 @@ module.exports = {
         },
         disableHostCheck: true,
     },
-    plugins: generatePlugins(),
+};
+
+module.exports = (_env, argv) => {
+    let plugins = [];
+    if (argv.mode === 'development') {
+        config.devtool = 'source-map';
+        config.mode = 'development';
+    } else {
+        config.mode = 'production';
+        plugins = plugins.concat([
+            // Since we do not use moment's locale feature, we exclude them from the bundle.
+            // This reduces the bundle size by 0.4MB.
+            new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
+            new webpack.DefinePlugin({
+                'process.env': {
+                    NODE_ENV: JSON.stringify(process.env.NODE_ENV),
+                    GIT_SHA: JSON.stringify(GIT_SHA),
+                },
+            }),
+        ]);
+        if (process.env.DEPLOY_ROLLBAR_SOURCEMAPS === 'true') {
+            plugins = plugins.concat([
+                new RollbarSourceMapPlugin({
+                    accessToken: '32c39bfa4bb6440faedc1612a9c13d28',
+                    version: GIT_SHA,
+                    publicPath: 'https://0xproject.com/',
+                }),
+            ]);
+        }
+    }
+    console.log('i ｢atl｣: Mode: ', config.mode);
+
+    config.plugins = plugins;
+    console.log('i ｢atl｣: Plugin Count: ', config.plugins.length);
+
+    return config;
 };
diff --git a/yarn.lock b/yarn.lock
index b0449b654..4ef7db375 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1552,12 +1552,6 @@ accounting@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/accounting/-/accounting-0.4.1.tgz#87dd4103eff7f4460f1e186f5c677ed6cf566883"
 
-acorn-dynamic-import@^2.0.0:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/acorn-dynamic-import/-/acorn-dynamic-import-2.0.2.tgz#c752bd210bef679501b6c6cb7fc84f8f47158cc4"
-  dependencies:
-    acorn "^4.0.3"
-
 acorn-dynamic-import@^3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/acorn-dynamic-import/-/acorn-dynamic-import-3.0.0.tgz#901ceee4c7faaef7e07ad2a47e890675da50a278"
@@ -1585,10 +1579,6 @@ acorn@^3.0.4:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
 
-acorn@^4.0.3:
-  version "4.0.13"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
-
 acorn@^5.0.0:
   version "5.5.3"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.5.3.tgz#f473dd47e0277a08e28e9bec5aeeb04751f0b8c9"
@@ -1609,9 +1599,9 @@ aes-js@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.0.0.tgz#e21df10ad6c2053295bcbb8dab40b09dbea87e4d"
 
-aes-js@^3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.1.1.tgz#89fd1f94ae51b4c72d62466adc1a7323ff52f072"
+aes-js@^0.2.3:
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-0.2.4.tgz#94b881ab717286d015fa219e08fb66709dda5a3d"
 
 ajv-errors@^1.0.0:
   version "1.0.0"
@@ -1841,13 +1831,6 @@ array-ify@^1.0.0:
   version "1.0.0"
   resolved "http://registry.yarnpkg.com/array-ify/-/array-ify-1.0.0.tgz#9e528762b4a9066ad163a6962a364418e9626ece"
 
-array-includes@^3.0.3:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/array-includes/-/array-includes-3.0.3.tgz#184b48f62d92d7452bb31b323165c7f8bd02266d"
-  dependencies:
-    define-properties "^1.1.2"
-    es-abstract "^1.7.0"
-
 array-map@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/array-map/-/array-map-0.0.0.tgz#88a2bab73d1cf7bcd5c1b118a003f66f665fa662"
@@ -2013,18 +1996,6 @@ autoprefixer@^6.3.1:
     postcss "^5.2.16"
     postcss-value-parser "^3.2.3"
 
-awesome-typescript-loader@^3.1.3:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/awesome-typescript-loader/-/awesome-typescript-loader-3.5.0.tgz#4d4d10cba7a04ed433dfa0334250846fb11a1a5a"
-  dependencies:
-    chalk "^2.3.1"
-    enhanced-resolve "3.3.0"
-    loader-utils "^1.1.0"
-    lodash "^4.17.4"
-    micromatch "^3.0.3"
-    mkdirp "^0.5.1"
-    source-map-support "^0.5.3"
-
 awesome-typescript-loader@^5.2.1:
   version "5.2.1"
   resolved "https://registry.npmjs.org/awesome-typescript-loader/-/awesome-typescript-loader-5.2.1.tgz#a41daf7847515f4925cdbaa3075d61f289e913fc"
@@ -2784,6 +2755,10 @@ balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
 
+base-x@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/base-x/-/base-x-1.1.0.tgz#42d3d717474f9ea02207f6d1aa1f426913eeb7ac"
+
 base-x@^3.0.2:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.4.tgz#94c1788736da065edb1d68808869e357c977fa77"
@@ -3222,7 +3197,7 @@ bs-logger@0.x:
   dependencies:
     fast-json-stable-stringify "^2.0.0"
 
-bs58@=4.0.1, bs58@^4.0.0:
+bs58@=4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/bs58/-/bs58-4.0.1.tgz#be161e76c354f6f788ae4071f63f34e8c4f0a42a"
   dependencies:
@@ -3232,13 +3207,18 @@ bs58@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/bs58/-/bs58-2.0.1.tgz#55908d58f1982aba2008fa1bed8f91998a29bf8d"
 
-bs58check@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/bs58check/-/bs58check-2.1.2.tgz#53b018291228d82a5aa08e7d796fdafda54aebfc"
+bs58@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/bs58/-/bs58-3.1.0.tgz#d4c26388bf4804cac714141b1945aa47e5eb248e"
+  dependencies:
+    base-x "^1.1.0"
+
+bs58check@^1.0.8:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/bs58check/-/bs58check-1.3.4.tgz#c52540073749117714fa042c3047eb8f9151cbf8"
   dependencies:
-    bs58 "^4.0.0"
+    bs58 "^3.1.0"
     create-hash "^1.1.0"
-    safe-buffer "^5.1.2"
 
 bser@^2.0.0:
   version "2.0.0"
@@ -3375,6 +3355,25 @@ cacache@^10.0.4:
     unique-filename "^1.1.0"
     y18n "^4.0.0"
 
+cacache@^11.0.2, cacache@^11.2.0:
+  version "11.2.0"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-11.2.0.tgz#617bdc0b02844af56310e411c0878941d5739965"
+  dependencies:
+    bluebird "^3.5.1"
+    chownr "^1.0.1"
+    figgy-pudding "^3.1.0"
+    glob "^7.1.2"
+    graceful-fs "^4.1.11"
+    lru-cache "^4.1.3"
+    mississippi "^3.0.0"
+    mkdirp "^0.5.1"
+    move-concurrently "^1.0.1"
+    promise-inflight "^1.0.1"
+    rimraf "^2.6.2"
+    ssri "^6.0.0"
+    unique-filename "^1.1.0"
+    y18n "^4.0.0"
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -4011,7 +4010,7 @@ commander@^2.11.0:
   version "2.18.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.18.0.tgz#2bf063ddee7c7891176981a2cc798e5754bc6970"
 
-commander@^2.7.1:
+commander@^2.7.1, commander@~2.17.1:
   version "2.17.1"
   resolved "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
 
@@ -4245,19 +4244,6 @@ copy-to-clipboard@^3:
   dependencies:
     toggle-selection "^1.0.3"
 
-copy-webpack-plugin@^4.0.1:
-  version "4.5.2"
-  resolved "https://registry.yarnpkg.com/copy-webpack-plugin/-/copy-webpack-plugin-4.5.2.tgz#d53444a8fea2912d806e78937390ddd7e632ee5c"
-  dependencies:
-    cacache "^10.0.4"
-    find-cache-dir "^1.0.0"
-    globby "^7.1.1"
-    is-glob "^4.0.0"
-    loader-utils "^1.1.0"
-    minimatch "^3.0.4"
-    p-limit "^1.0.0"
-    serialize-javascript "^1.4.0"
-
 copyfiles@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/copyfiles/-/copyfiles-1.2.0.tgz#a8da3ac41aa2220ae29bd3c58b6984294f2c593c"
@@ -5271,24 +5257,6 @@ end-of-stream@~0.1.5:
   dependencies:
     once "~1.3.0"
 
-enhanced-resolve@3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-3.3.0.tgz#950964ecc7f0332a42321b673b38dc8ff15535b3"
-  dependencies:
-    graceful-fs "^4.1.2"
-    memory-fs "^0.4.0"
-    object-assign "^4.0.1"
-    tapable "^0.2.5"
-
-enhanced-resolve@^3.4.0:
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-3.4.1.tgz#0421e339fd71419b3da13d129b3979040230476e"
-  dependencies:
-    graceful-fs "^4.1.2"
-    memory-fs "^0.4.0"
-    object-assign "^4.0.1"
-    tapable "^0.2.7"
-
 enhanced-resolve@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-4.0.0.tgz#e34a6eaa790f62fccd71d93959f56b2b432db10a"
@@ -5386,7 +5354,7 @@ es-abstract@^1.10.0, es-abstract@^1.5.1, es-abstract@^1.6.1:
     is-callable "^1.1.3"
     is-regex "^1.0.4"
 
-es-abstract@^1.4.3, es-abstract@^1.5.0, es-abstract@^1.7.0:
+es-abstract@^1.4.3, es-abstract@^1.5.0:
   version "1.11.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.11.0.tgz#cce87d518f0496893b1a30cd8461835535480681"
   dependencies:
@@ -5404,7 +5372,7 @@ es-to-primitive@^1.1.1:
     is-date-object "^1.0.1"
     is-symbol "^1.0.1"
 
-es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
+es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
   version "0.10.42"
   resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.42.tgz#8c07dd33af04d5dcd1310b5cef13bea63a89ba8d"
   dependencies:
@@ -5412,7 +5380,7 @@ es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
     es6-symbol "~3.1.1"
     next-tick "1"
 
-es6-iterator@^2.0.1, es6-iterator@~2.0.1, es6-iterator@~2.0.3:
+es6-iterator@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
   dependencies:
@@ -5420,17 +5388,6 @@ es6-iterator@^2.0.1, es6-iterator@~2.0.1, es6-iterator@~2.0.3:
     es5-ext "^0.10.35"
     es6-symbol "^3.1.1"
 
-es6-map@^0.1.3:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/es6-map/-/es6-map-0.1.5.tgz#9136e0503dcc06a301690f0bb14ff4e364e949f0"
-  dependencies:
-    d "1"
-    es5-ext "~0.10.14"
-    es6-iterator "~2.0.1"
-    es6-set "~0.1.5"
-    es6-symbol "~3.1.1"
-    event-emitter "~0.3.5"
-
 es6-object-assign@^1.0.3:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/es6-object-assign/-/es6-object-assign-1.1.0.tgz#c2c3582656247c39ea107cb1e6652b6f9f24523c"
@@ -5445,32 +5402,13 @@ es6-promisify@^5.0.0:
   dependencies:
     es6-promise "^4.0.3"
 
-es6-set@~0.1.5:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/es6-set/-/es6-set-0.1.5.tgz#d2b3ec5d4d800ced818db538d28974db0a73ccb1"
-  dependencies:
-    d "1"
-    es5-ext "~0.10.14"
-    es6-iterator "~2.0.1"
-    es6-symbol "3.1.1"
-    event-emitter "~0.3.5"
-
-es6-symbol@3.1.1, es6-symbol@^3.1.1, es6-symbol@~3.1.1:
+es6-symbol@^3.1.1, es6-symbol@~3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.1.tgz#bf00ef4fdab6ba1b46ecb7b629b4c7ed5715cc77"
   dependencies:
     d "1"
     es5-ext "~0.10.14"
 
-es6-weak-map@^2.0.1:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/es6-weak-map/-/es6-weak-map-2.0.2.tgz#5e3ab32251ffd1538a1f8e5ffa1357772f92d96f"
-  dependencies:
-    d "1"
-    es5-ext "^0.10.14"
-    es6-iterator "^2.0.1"
-    es6-symbol "^3.1.1"
-
 escape-html@1.0.3, escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -5501,15 +5439,6 @@ escodegen@^1.9.1:
   optionalDependencies:
     source-map "~0.6.1"
 
-escope@^3.6.0:
-  version "3.6.0"
-  resolved "https://registry.yarnpkg.com/escope/-/escope-3.6.0.tgz#e01975e812781a163a6dadfdd80398dc64c889c3"
-  dependencies:
-    es6-map "^0.1.3"
-    es6-weak-map "^2.0.1"
-    esrecurse "^4.1.0"
-    estraverse "^4.1.1"
-
 eslint-scope@^3.7.1:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
@@ -5845,7 +5774,7 @@ ethereumjs-util@5.1.5, ethereumjs-util@^5.0.0, ethereumjs-util@^5.0.1, ethereumj
     safe-buffer "^5.1.1"
     secp256k1 "^3.0.1"
 
-ethereumjs-util@^4.0.1, ethereumjs-util@^4.3.0:
+ethereumjs-util@^4.0.1, ethereumjs-util@^4.3.0, ethereumjs-util@^4.4.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-4.5.0.tgz#3e9428b317eebda3d7260d854fddda954b1f1bc6"
   dependencies:
@@ -5899,18 +5828,17 @@ ethereumjs-vm@^2.0.2, ethereumjs-vm@^2.1.0, ethereumjs-vm@^2.3.4:
     rustbn.js "~0.1.1"
     safe-buffer "^5.1.1"
 
-ethereumjs-wallet@~0.6.0:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/ethereumjs-wallet/-/ethereumjs-wallet-0.6.2.tgz#67244b6af3e8113b53d709124b25477b64aeccda"
+ethereumjs-wallet@0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-wallet/-/ethereumjs-wallet-0.6.0.tgz#82763b1697ee7a796be7155da9dfb49b2f98cfdb"
   dependencies:
-    aes-js "^3.1.1"
-    bs58check "^2.1.2"
-    ethereumjs-util "^5.2.0"
-    hdkey "^1.0.0"
-    safe-buffer "^5.1.2"
+    aes-js "^0.2.3"
+    bs58check "^1.0.8"
+    ethereumjs-util "^4.4.0"
+    hdkey "^0.7.0"
     scrypt.js "^0.2.0"
-    utf8 "^3.0.0"
-    uuid "^3.3.2"
+    utf8 "^2.1.1"
+    uuid "^2.0.1"
 
 ethers@3.0.22:
   version "3.0.22"
@@ -5972,13 +5900,6 @@ ethjs-util@^0.1.3:
     is-hex-prefixed "1.0.0"
     strip-hex-prefix "1.0.0"
 
-event-emitter@~0.3.5:
-  version "0.3.5"
-  resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
-  dependencies:
-    d "1"
-    es5-ext "~0.10.14"
-
 event-stream@~3.3.0:
   version "3.3.4"
   resolved "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
@@ -6127,13 +6048,6 @@ expect@^23.6.0:
     jest-message-util "^23.4.0"
     jest-regex-util "^23.3.0"
 
-exports-loader@0.6.x:
-  version "0.6.4"
-  resolved "https://registry.yarnpkg.com/exports-loader/-/exports-loader-0.6.4.tgz#d70fc6121975b35fc12830cf52754be2740fc886"
-  dependencies:
-    loader-utils "^1.0.2"
-    source-map "0.5.x"
-
 express@^4.14.0, express@^4.15.2, express@^4.16.2:
   version "4.16.3"
   resolved "https://registry.yarnpkg.com/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
@@ -6319,6 +6233,10 @@ fetch-ponyfill@^4.0.0:
   dependencies:
     node-fetch "~1.7.1"
 
+figgy-pudding@^3.1.0, figgy-pudding@^3.5.1:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/figgy-pudding/-/figgy-pudding-3.5.1.tgz#862470112901c727a0e495a80744bd5baa1d6790"
+
 figures@^1.3.5, figures@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
@@ -6413,6 +6331,14 @@ find-cache-dir@^1.0.0:
     make-dir "^1.0.0"
     pkg-dir "^2.0.0"
 
+find-cache-dir@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-2.0.0.tgz#4c1faed59f45184530fb9d7fa123a4d04a98472d"
+  dependencies:
+    commondir "^1.0.1"
+    make-dir "^1.0.0"
+    pkg-dir "^3.0.0"
+
 find-index@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/find-index/-/find-index-0.1.1.tgz#675d358b2ca3892d795a1ab47232f8b6e2e0dde4"
@@ -6738,7 +6664,7 @@ ganache-core@0xProject/ganache-core#monorepo-dep:
     ethereumjs-tx "0xProject/ethereumjs-tx#fake-tx-include-signature-by-default"
     ethereumjs-util "^5.2.0"
     ethereumjs-vm "2.3.5"
-    ethereumjs-wallet "~0.6.0"
+    ethereumjs-wallet "0.6.0"
     fake-merkle-patricia-tree "~1.0.1"
     heap "~0.2.6"
     js-scrypt "^0.2.0"
@@ -7083,17 +7009,6 @@ globby@^6.1.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-globby@^7.1.1:
-  version "7.1.1"
-  resolved "https://registry.yarnpkg.com/globby/-/globby-7.1.1.tgz#fb2ccff9401f8600945dfada97440cca972b8680"
-  dependencies:
-    array-union "^1.0.1"
-    dir-glob "^2.0.0"
-    glob "^7.1.2"
-    ignore "^3.3.5"
-    pify "^3.0.0"
-    slash "^1.0.0"
-
 globby@^8.0.0, globby@^8.0.1:
   version "8.0.1"
   resolved "https://registry.yarnpkg.com/globby/-/globby-8.0.1.tgz#b5ad48b8aa80b35b814fc1281ecc851f1d2b5b50"
@@ -7447,21 +7362,13 @@ hawk@~6.0.2:
     hoek "4.x.x"
     sntp "2.x.x"
 
-hdkey@^0.7.1:
+hdkey@^0.7.0, hdkey@^0.7.1:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/hdkey/-/hdkey-0.7.1.tgz#caee4be81aa77921e909b8d228dd0f29acaee632"
   dependencies:
     coinstring "^2.0.0"
     secp256k1 "^3.0.1"
 
-hdkey@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/hdkey/-/hdkey-1.1.0.tgz#e74e7b01d2c47f797fa65d1d839adb7a44639f29"
-  dependencies:
-    coinstring "^2.0.0"
-    safe-buffer "^5.1.1"
-    secp256k1 "^3.0.1"
-
 he@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
@@ -7608,15 +7515,6 @@ http-parser-js@>=0.4.0:
   version "0.4.11"
   resolved "https://registry.yarnpkg.com/http-parser-js/-/http-parser-js-0.4.11.tgz#5b720849c650903c27e521633d94696ee95f3529"
 
-http-proxy-middleware@~0.17.4:
-  version "0.17.4"
-  resolved "https://registry.yarnpkg.com/http-proxy-middleware/-/http-proxy-middleware-0.17.4.tgz#642e8848851d66f09d4f124912846dbaeb41b833"
-  dependencies:
-    http-proxy "^1.16.2"
-    is-glob "^3.1.0"
-    lodash "^4.17.2"
-    micromatch "^2.3.11"
-
 http-proxy-middleware@~0.18.0:
   version "0.18.0"
   resolved "http://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
@@ -7785,13 +7683,6 @@ import-local@^2.0.0:
     pkg-dir "^3.0.0"
     resolve-cwd "^2.0.0"
 
-imports-loader@0.6.x:
-  version "0.6.5"
-  resolved "https://registry.yarnpkg.com/imports-loader/-/imports-loader-0.6.5.tgz#ae74653031d59e37b3c2fb2544ac61aeae3530a6"
-  dependencies:
-    loader-utils "0.2.x"
-    source-map "0.1.x"
-
 imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
@@ -7924,12 +7815,6 @@ intel@1.2.0:
     symbol "~0.3.1"
     utcstring "~0.1.0"
 
-internal-ip@1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-1.2.0.tgz#ae9fbf93b984878785d50a8de1b356956058cf5c"
-  dependencies:
-    meow "^3.3.0"
-
 internal-ip@^3.0.1:
   version "3.0.1"
   resolved "https://registry.npmjs.org/internal-ip/-/internal-ip-3.0.1.tgz#df5c99876e1d2eb2ea2d74f520e3f669a00ece27"
@@ -9014,10 +8899,6 @@ json-buffer@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/json-buffer/-/json-buffer-3.0.0.tgz#5b1f397afc75d677bde8bcfc0e47e1f9a3d9a898"
 
-json-loader@^0.5.4:
-  version "0.5.7"
-  resolved "https://registry.yarnpkg.com/json-loader/-/json-loader-0.5.7.tgz#dca14a70235ff82f0ac9a3abeb60d337a365185d"
-
 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"
@@ -9323,11 +9204,13 @@ left-pad@^1.3.0:
   version "1.3.0"
   resolved "https://registry.npmjs.org/left-pad/-/left-pad-1.3.0.tgz#5b8a3a7765dfe001261dde915589e782f8c94d1e"
 
-less-loader@^2.2.3:
-  version "2.2.3"
-  resolved "https://registry.yarnpkg.com/less-loader/-/less-loader-2.2.3.tgz#b6d8f8139c8493df09d992a93a00734b08f84528"
+less-loader@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/less-loader/-/less-loader-4.1.0.tgz#2c1352c5b09a4f84101490274fd51674de41363e"
   dependencies:
-    loader-utils "^0.2.5"
+    clone "^2.1.1"
+    loader-utils "^1.1.0"
+    pify "^3.0.0"
 
 less@^2.7.2:
   version "2.7.3"
@@ -9558,22 +9441,22 @@ loader-runner@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
 
-loader-utils@0.2.x, loader-utils@^0.2.5, loader-utils@~0.2.2:
-  version "0.2.17"
-  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-0.2.17.tgz#f86e6374d43205a6e6c60e9196f17c0299bfb348"
+loader-utils@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.1.0.tgz#c98aef488bcceda2ffb5e2de646d6a754429f5cd"
   dependencies:
     big.js "^3.1.3"
     emojis-list "^2.0.0"
     json5 "^0.5.0"
-    object-assign "^4.0.1"
 
-loader-utils@^1.0.2, loader-utils@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.1.0.tgz#c98aef488bcceda2ffb5e2de646d6a754429f5cd"
+loader-utils@~0.2.2:
+  version "0.2.17"
+  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-0.2.17.tgz#f86e6374d43205a6e6c60e9196f17c0299bfb348"
   dependencies:
     big.js "^3.1.3"
     emojis-list "^2.0.0"
     json5 "^0.5.0"
+    object-assign "^4.0.1"
 
 localstorage-down@^0.6.7:
   version "0.6.7"
@@ -9940,6 +9823,13 @@ lru-cache@^4.0.1, lru-cache@^4.1.1:
     pseudomap "^1.0.2"
     yallist "^2.1.2"
 
+lru-cache@^4.1.3:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.3.tgz#a1175cf3496dfc8436c156c334b4955992bce69c"
+  dependencies:
+    pseudomap "^1.0.2"
+    yallist "^2.1.2"
+
 lru-cache@~2.2.1:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.2.4.tgz#6c658619becf14031d0d0b594b16042ce4dc063d"
@@ -10237,7 +10127,7 @@ micromatch@^2.1.5, micromatch@^2.3.11, micromatch@^2.3.7:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
-micromatch@^3.0.3, micromatch@^3.0.4, micromatch@^3.1.10, micromatch@^3.1.4, micromatch@^3.1.8, micromatch@^3.1.9:
+micromatch@^3.0.4, micromatch@^3.1.10, micromatch@^3.1.4, micromatch@^3.1.8, micromatch@^3.1.9:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
   dependencies:
@@ -10302,7 +10192,7 @@ mime@1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
 
-mime@^1.2.11, mime@^1.3.4, mime@^1.5.0:
+mime@^1.2.11, mime@^1.3.4:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
 
@@ -10402,6 +10292,21 @@ mississippi@^2.0.0:
     stream-each "^1.1.0"
     through2 "^2.0.0"
 
+mississippi@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-3.0.0.tgz#ea0a3291f97e0b5e8776b363d5f0a12d94c67022"
+  dependencies:
+    concat-stream "^1.5.0"
+    duplexify "^3.4.2"
+    end-of-stream "^1.1.0"
+    flush-write-stream "^1.0.0"
+    from2 "^2.1.0"
+    parallel-transform "^1.1.0"
+    pump "^3.0.0"
+    pumpify "^1.3.3"
+    stream-each "^1.1.0"
+    through2 "^2.0.0"
+
 mixin-deep@^1.2.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.1.tgz#a49e7268dce1a0d9698e45326c5626df3543d0fe"
@@ -11404,7 +11309,7 @@ p-lazy@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/p-lazy/-/p-lazy-1.0.0.tgz#ec53c802f2ee3ac28f166cc82d0b2b02de27a835"
 
-p-limit@^1.0.0, p-limit@^1.1.0:
+p-limit@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.2.0.tgz#0e92b6bedcb59f022c13d0f1949dc82d15909f1c"
   dependencies:
@@ -12451,6 +12356,13 @@ pump@^2.0.0, pump@^2.0.1:
     end-of-stream "^1.1.0"
     once "^1.3.1"
 
+pump@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-3.0.0.tgz#b4a2116815bde2f4e1ea602354e8c75565107a64"
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
 pumpify@^1.3.3:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.4.0.tgz#80b7c5df7e24153d03f0e7ac8a05a5d068bd07fb"
@@ -13544,9 +13456,9 @@ rlp@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.0.0.tgz#9db384ff4b89a8f61563d92395d8625b18f3afb0"
 
-rollbar-sourcemap-webpack-plugin@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.npmjs.org/rollbar-sourcemap-webpack-plugin/-/rollbar-sourcemap-webpack-plugin-2.3.0.tgz#47176fd6441d1ce17b4d3c7e9c9cf7f2076b0485"
+rollbar-sourcemap-webpack-plugin@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/rollbar-sourcemap-webpack-plugin/-/rollbar-sourcemap-webpack-plugin-2.4.0.tgz#0d864fe4d7a141a09fafd417415b704f95faddad"
   dependencies:
     async "^2.6.0"
     babel-runtime "^6.26.0"
@@ -14136,17 +14048,6 @@ sntp@2.x.x:
   dependencies:
     hoek "4.x.x"
 
-sockjs-client@1.1.4:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/sockjs-client/-/sockjs-client-1.1.4.tgz#5babe386b775e4cf14e7520911452654016c8b12"
-  dependencies:
-    debug "^2.6.6"
-    eventsource "0.1.6"
-    faye-websocket "~0.11.0"
-    inherits "^2.0.1"
-    json3 "^3.3.2"
-    url-parse "^1.1.8"
-
 sockjs-client@1.1.5:
   version "1.1.5"
   resolved "https://registry.npmjs.org/sockjs-client/-/sockjs-client-1.1.5.tgz#1bb7c0f7222c40f42adf14f4442cbd1269771a83"
@@ -14230,13 +14131,12 @@ source-list-map@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.0.tgz#aaa47403f7b245a92fbc97ea08f250d6087ed085"
 
-source-map-loader@^0.1.6:
-  version "0.1.6"
-  resolved "https://registry.yarnpkg.com/source-map-loader/-/source-map-loader-0.1.6.tgz#c09903da6d73b9e53b7ed8ee5245597051e98e91"
+source-map-loader@^0.2.4:
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/source-map-loader/-/source-map-loader-0.2.4.tgz#c18b0dc6e23bf66f6792437557c569a11e072271"
   dependencies:
-    async "^0.9.0"
-    loader-utils "~0.2.2"
-    source-map "~0.1.33"
+    async "^2.5.0"
+    loader-utils "^1.1.0"
 
 source-map-resolve@^0.5.0:
   version "0.5.1"
@@ -14267,26 +14167,27 @@ source-map-support@^0.5.0, source-map-support@^0.5.3:
   dependencies:
     source-map "^0.6.0"
 
+source-map-support@~0.5.6:
+  version "0.5.9"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.9.tgz#41bc953b2534267ea2d605bccfa7bfa3111ced5f"
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
 source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
 
-source-map@0.1.x, source-map@~0.1.33:
-  version "0.1.43"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.1.43.tgz#c24bc146ca517c1471f5dacbe2571b2b7f9e3346"
-  dependencies:
-    amdefine ">=0.0.4"
-
-source-map@0.5.x, source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1:
-  version "0.5.7"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
-
 source-map@^0.4.4:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
   dependencies:
     amdefine ">=0.0.4"
 
+source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+
 source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
@@ -14416,6 +14317,12 @@ ssri@^5.2.4:
   dependencies:
     safe-buffer "^5.1.1"
 
+ssri@^6.0.0:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-6.0.1.tgz#2a3c41b28dd45b62b63676ecb74001265ae9edd8"
+  dependencies:
+    figgy-pudding "^3.5.1"
+
 stack-trace@0.0.9:
   version "0.0.9"
   resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.9.tgz#a8f6eaeca90674c333e7c43953f275b451510695"
@@ -14676,11 +14583,12 @@ strong-log-transformer@^1.0.6:
     moment "^2.6.0"
     through "^2.3.4"
 
-style-loader@0.13.x:
-  version "0.13.2"
-  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-0.13.2.tgz#74533384cf698c7104c7951150b49717adc2f3bb"
+style-loader@0.23.x:
+  version "0.23.0"
+  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-0.23.0.tgz#8377fefab68416a2e05f1cabd8c3a3acfcce74f1"
   dependencies:
-    loader-utils "^1.0.2"
+    loader-utils "^1.1.0"
+    schema-utils "^0.4.5"
 
 styled-components@^3.3.0:
   version "3.3.0"
@@ -14741,7 +14649,7 @@ supports-color@^3.1.0, supports-color@^3.1.2, supports-color@^3.2.3:
   dependencies:
     has-flag "^1.0.0"
 
-supports-color@^4.0.0, supports-color@^4.2.1:
+supports-color@^4.0.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.5.0.tgz#be7a0de484dec5c5cddf8b3d59125044912f635b"
   dependencies:
@@ -14856,10 +14764,6 @@ table@4.0.2:
     slice-ansi "1.0.0"
     string-width "^2.1.1"
 
-tapable@^0.2.5, tapable@^0.2.7:
-  version "0.2.8"
-  resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.2.8.tgz#99372a5c999bf2df160afc0d74bed4f47948cd22"
-
 tapable@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.0.0.tgz#cbb639d9002eed9c6b5975eb20598d7936f1f9f2"
@@ -14986,6 +14890,27 @@ term-size@^1.2.0:
   dependencies:
     execa "^0.7.0"
 
+terser-webpack-plugin@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.1.0.tgz#cf7c25a1eee25bf121f4a587bb9e004e3f80e528"
+  dependencies:
+    cacache "^11.0.2"
+    find-cache-dir "^2.0.0"
+    schema-utils "^1.0.0"
+    serialize-javascript "^1.4.0"
+    source-map "^0.6.1"
+    terser "^3.8.1"
+    webpack-sources "^1.1.0"
+    worker-farm "^1.5.2"
+
+terser@^3.8.1:
+  version "3.9.2"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-3.9.2.tgz#d139d8292eb3a23091304c934fb539d9f456fb19"
+  dependencies:
+    commander "~2.17.1"
+    source-map "~0.6.1"
+    source-map-support "~0.5.6"
+
 test-exclude@^4.2.0:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.2.1.tgz#dfa222f03480bca69207ca728b37d74b45f724fa"
@@ -15097,10 +15022,6 @@ time-stamp@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/time-stamp/-/time-stamp-1.1.0.tgz#764a5a11af50561921b133f3b44e618687e0f5c3"
 
-time-stamp@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/time-stamp/-/time-stamp-2.0.0.tgz#95c6a44530e15ba8d6f4a3ecb8c3a3fac46da357"
-
 timed-out@^4.0.0, timed-out@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
@@ -15509,7 +15430,7 @@ uglify-es@^3.3.4:
     commander "~2.13.0"
     source-map "~0.6.1"
 
-uglify-js@^2.6, uglify-js@^2.8.29:
+uglify-js@^2.6:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
   dependencies:
@@ -15518,19 +15439,18 @@ uglify-js@^2.6, uglify-js@^2.8.29:
   optionalDependencies:
     uglify-to-browserify "~1.0.0"
 
+uglify-js@^3.0.0:
+  version "3.4.9"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"
+  dependencies:
+    commander "~2.17.1"
+    source-map "~0.6.1"
+
 uglify-to-browserify@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
 
-uglifyjs-webpack-plugin@^0.4.6:
-  version "0.4.6"
-  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-0.4.6.tgz#b951f4abb6bd617e66f63eb891498e391763e309"
-  dependencies:
-    source-map "^0.5.6"
-    uglify-js "^2.8.29"
-    webpack-sources "^1.0.1"
-
-uglifyjs-webpack-plugin@^1.2.4, uglifyjs-webpack-plugin@^1.3.0:
+uglifyjs-webpack-plugin@^1.2.4:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.3.0.tgz#75f548160858163a08643e086d5fefe18a5d67de"
   dependencies:
@@ -15543,16 +15463,16 @@ uglifyjs-webpack-plugin@^1.2.4, uglifyjs-webpack-plugin@^1.3.0:
     webpack-sources "^1.1.0"
     worker-farm "^1.5.2"
 
-uglifyjs-webpack-plugin@^1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.2.5.tgz#2ef8387c8f1a903ec5e44fa36f9f3cbdcea67641"
+uglifyjs-webpack-plugin@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-2.0.1.tgz#f346af53ed496ce72fef462517d417f62bec3010"
   dependencies:
-    cacache "^10.0.4"
-    find-cache-dir "^1.0.0"
-    schema-utils "^0.4.5"
+    cacache "^11.2.0"
+    find-cache-dir "^2.0.0"
+    schema-utils "^1.0.0"
     serialize-javascript "^1.4.0"
     source-map "^0.6.1"
-    uglify-es "^3.3.4"
+    uglify-js "^3.0.0"
     webpack-sources "^1.1.0"
     worker-farm "^1.5.2"
 
@@ -15828,10 +15748,6 @@ utf8@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/utf8/-/utf8-2.1.2.tgz#1fa0d9270e9be850d9b05027f63519bf46457d96"
 
-utf8@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/utf8/-/utf8-3.0.0.tgz#f052eed1364d696e769ef058b183df88c87f69d1"
-
 util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
@@ -16108,14 +16024,6 @@ watch@~0.18.0:
     exec-sh "^0.2.0"
     minimist "^1.2.0"
 
-watchpack@^1.4.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.5.0.tgz#231e783af830a22f8966f65c4c4bacc814072eed"
-  dependencies:
-    chokidar "^2.0.2"
-    graceful-fs "^4.1.2"
-    neo-async "^2.5.0"
-
 watchpack@^1.5.0:
   version "1.6.0"
   resolved "https://registry.npmjs.org/watchpack/-/watchpack-1.6.0.tgz#4bc12c2ebe8aa277a71f1d3f14d685c7b446cd00"
@@ -16463,6 +16371,21 @@ webpack-addons@^1.1.5:
   dependencies:
     jscodeshift "^0.4.0"
 
+webpack-cli@3.1.2, webpack-cli@^3.1.1:
+  version "3.1.2"
+  resolved "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.1.2.tgz#17d7e01b77f89f884a2bbf9db545f0f6a648e746"
+  dependencies:
+    chalk "^2.4.1"
+    cross-spawn "^6.0.5"
+    enhanced-resolve "^4.1.0"
+    global-modules-path "^2.3.0"
+    import-local "^2.0.0"
+    interpret "^1.1.0"
+    loader-utils "^1.1.0"
+    supports-color "^5.5.0"
+    v8-compile-cache "^2.0.2"
+    yargs "^12.0.2"
+
 webpack-cli@^2.0.9:
   version "2.1.3"
   resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-2.1.3.tgz#65d166851abaa56067ef3f716b02a97ba6bbe84d"
@@ -16494,31 +16417,6 @@ webpack-cli@^2.0.9:
     yeoman-environment "^2.0.0"
     yeoman-generator "^2.0.4"
 
-webpack-cli@^3.1.1:
-  version "3.1.2"
-  resolved "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.1.2.tgz#17d7e01b77f89f884a2bbf9db545f0f6a648e746"
-  dependencies:
-    chalk "^2.4.1"
-    cross-spawn "^6.0.5"
-    enhanced-resolve "^4.1.0"
-    global-modules-path "^2.3.0"
-    import-local "^2.0.0"
-    interpret "^1.1.0"
-    loader-utils "^1.1.0"
-    supports-color "^5.5.0"
-    v8-compile-cache "^2.0.2"
-    yargs "^12.0.2"
-
-webpack-dev-middleware@1.12.2, webpack-dev-middleware@^1.10.0:
-  version "1.12.2"
-  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-1.12.2.tgz#f8fc1120ce3b4fc5680ceecb43d777966b21105e"
-  dependencies:
-    memory-fs "~0.4.1"
-    mime "^1.5.0"
-    path-is-absolute "^1.0.0"
-    range-parser "^1.0.3"
-    time-stamp "^2.0.0"
-
 webpack-dev-middleware@3.4.0:
   version "3.4.0"
   resolved "https://registry.npmjs.org/webpack-dev-middleware/-/webpack-dev-middleware-3.4.0.tgz#1132fecc9026fd90f0ecedac5cbff75d1fb45890"
@@ -16528,38 +16426,6 @@ webpack-dev-middleware@3.4.0:
     range-parser "^1.0.3"
     webpack-log "^2.0.0"
 
-webpack-dev-server@^2.5.0:
-  version "2.11.2"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.11.2.tgz#1f4f4c78bf1895378f376815910812daf79a216f"
-  dependencies:
-    ansi-html "0.0.7"
-    array-includes "^3.0.3"
-    bonjour "^3.5.0"
-    chokidar "^2.0.0"
-    compression "^1.5.2"
-    connect-history-api-fallback "^1.3.0"
-    debug "^3.1.0"
-    del "^3.0.0"
-    express "^4.16.2"
-    html-entities "^1.2.0"
-    http-proxy-middleware "~0.17.4"
-    import-local "^1.0.0"
-    internal-ip "1.2.0"
-    ip "^1.1.5"
-    killable "^1.0.0"
-    loglevel "^1.4.1"
-    opn "^5.1.0"
-    portfinder "^1.0.9"
-    selfsigned "^1.9.1"
-    serve-index "^1.7.2"
-    sockjs "0.3.19"
-    sockjs-client "1.1.4"
-    spdy "^3.4.1"
-    strip-ansi "^3.0.0"
-    supports-color "^5.1.0"
-    webpack-dev-middleware "1.12.2"
-    yargs "6.6.0"
-
 webpack-dev-server@^3.1.9:
   version "3.1.9"
   resolved "https://registry.npmjs.org/webpack-dev-server/-/webpack-dev-server-3.1.9.tgz#8b32167624d2faff40dcedc2cbce17ed1f34d3e0"
@@ -16613,7 +16479,7 @@ webpack-node-externals@^1.6.0:
   version "1.7.2"
   resolved "https://registry.yarnpkg.com/webpack-node-externals/-/webpack-node-externals-1.7.2.tgz#6e1ee79ac67c070402ba700ef033a9b8d52ac4e3"
 
-webpack-sources@^1.0.1, webpack-sources@^1.1.0:
+webpack-sources@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.1.0.tgz#a101ebae59d6507354d71d8013950a3a8b7a5a54"
   dependencies:
@@ -16627,33 +16493,6 @@ webpack-sources@^1.3.0:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@^3.1.0:
-  version "3.11.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.11.0.tgz#77da451b1d7b4b117adaf41a1a93b5742f24d894"
-  dependencies:
-    acorn "^5.0.0"
-    acorn-dynamic-import "^2.0.0"
-    ajv "^6.1.0"
-    ajv-keywords "^3.1.0"
-    async "^2.1.2"
-    enhanced-resolve "^3.4.0"
-    escope "^3.6.0"
-    interpret "^1.0.0"
-    json-loader "^0.5.4"
-    json5 "^0.5.1"
-    loader-runner "^2.3.0"
-    loader-utils "^1.1.0"
-    memory-fs "~0.4.1"
-    mkdirp "~0.5.0"
-    node-libs-browser "^2.0.0"
-    source-map "^0.5.3"
-    supports-color "^4.2.1"
-    tapable "^0.2.7"
-    uglifyjs-webpack-plugin "^0.4.6"
-    watchpack "^1.4.0"
-    webpack-sources "^1.0.1"
-    yargs "^8.0.2"
-
 webpack@^4.20.2:
   version "4.20.2"
   resolved "https://registry.npmjs.org/webpack/-/webpack-4.20.2.tgz#89f6486b6bb276a91b0823453d377501fc625b5a"
@@ -17034,12 +16873,6 @@ yargs-parser@^2.4.1:
     camelcase "^3.0.0"
     lodash.assign "^4.0.6"
 
-yargs-parser@^4.2.0:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-4.2.1.tgz#29cceac0dc4f03c6c87b4a9f217dd18c9f74871c"
-  dependencies:
-    camelcase "^3.0.0"
-
 yargs-parser@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-5.0.0.tgz#275ecf0d7ffe05c77e64e7c86e4cd94bf0e1228a"
@@ -17098,24 +16931,6 @@ yargs@12.0.2, yargs@^12.0.2:
     y18n "^3.2.1 || ^4.0.0"
     yargs-parser "^10.1.0"
 
-yargs@6.6.0:
-  version "6.6.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
-  dependencies:
-    camelcase "^3.0.0"
-    cliui "^3.2.0"
-    decamelize "^1.1.1"
-    get-caller-file "^1.0.1"
-    os-locale "^1.4.0"
-    read-pkg-up "^1.0.1"
-    require-directory "^2.1.1"
-    require-main-filename "^1.0.1"
-    set-blocking "^2.0.0"
-    string-width "^1.0.2"
-    which-module "^1.0.0"
-    y18n "^3.2.1"
-    yargs-parser "^4.2.0"
-
 yargs@^10.0.3:
   version "10.1.2"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-10.1.2.tgz#454d074c2b16a51a43e2fb7807e4f9de69ccb5c5"