diff --git a/.travis.yml b/.travis.yml
index 74cf5a6..33feb23 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ dist: trusty
 language: node_js
 cache: yarn
 node_js:
-- '6.10'
+- '6.11.5'
 - '7'
 - '8'
 install:
diff --git a/README.md b/README.md
index f173f3b..04006c6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # webpack-chain
 
 Use a chaining API to generate and simplify the modification of
-Webpack 2 and 3 configurations.
+Webpack version 2-4 configurations.
 
 This documentation corresponds to v4 of webpack-chain.
 
@@ -30,7 +30,7 @@ This is easier explained through the examples following.
 ## Installation
 
 `webpack-chain` requires Node.js v6.9 and higher. `webpack-chain` also
-only creates configuration objects designed for use in Webpack 2 and 3.
+only creates configuration objects designed for use in Webpack version 2, 3, and 4.
 
 You may install this package using either Yarn or npm (choose one):
 
@@ -347,6 +347,7 @@ config
   .context(context)
   .externals(externals)
   .loader(loader)
+  .mode(mode)
   .parallelism(parallelism)
   .profile(profile)
   .recordsPath(recordsPath)
@@ -573,6 +574,32 @@ config.performance
   .assetFilter(assetFilter)
 ```
 
+#### Configuring optimizations: shorthand methods
+
+```js
+config.optimization : ChainedMap
+
+config.optimization
+  .concatenateModules(concatenateModules)
+  .flagIncludedChunks(flagIncludedChunks)
+  .mergeDuplicateChunks(mergeDuplicateChunks)
+  .minimize(minimize)
+  .minimizer(minimizer)
+  .namedChunks(namedChunks)
+  .namedModules(namedModules)
+  .nodeEnv(nodeEnv)
+  .noEmitOnErrors(noEmitOnErrors)
+  .occurrenceOrder(occurrenceOrder)
+  .portableRecords(portableRecords)
+  .providedExports(providedExports)
+  .removeAvailableModules(removeAvailableModules)
+  .removeEmptyChunks(removeEmptyChunks)
+  .runtimeChunk(runtimeChunk)
+  .sideEffects(sideEffects)
+  .splitChunks(splitChunks)
+  .usedExports(usedExports)
+```
+
 #### Config plugins
 
 ```js
@@ -929,10 +956,12 @@ config.merge({
   amd,
   bail,
   cache,
-  devtool,
   context,
+  devtool,
   externals,
   loader,
+  mode,
+  parallelism,
   profile,
   recordsPath,
   recordsInputPath,
@@ -984,6 +1013,27 @@ config.merge({
     [key]: value
   },
 
+  optimizations: {
+    concatenateModules,
+    flagIncludedChunks,
+    mergeDuplicateChunks,
+    minimize,
+    minimizer,
+    namedChunks,
+    namedModules,
+    nodeEnv,
+    noEmitOnErrors,
+    occurrenceOrder,
+    portableRecords,
+    providedExports,
+    removeAvailableModules,
+    removeEmptyChunks,
+    runtimeChunk,
+    sideEffects,
+    splitChunks,
+    usedExports,
+  },
+
   performance: {
     [key]: value,
 
diff --git a/package.json b/package.json
index 8bff0e5..ee753a3 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,6 @@
   "devDependencies": {
     "ava": "^0.25.0",
     "changelog": "^1.4.0",
-    "webpack": "^3.6.0"
+    "webpack": "^4.5.0"
   }
 }
diff --git a/src/Config.js b/src/Config.js
index 8089dea..34e991f 100644
--- a/src/Config.js
+++ b/src/Config.js
@@ -6,6 +6,7 @@ const Output = require('./Output');
 const DevServer = require('./DevServer');
 const Plugin = require('./Plugin');
 const Module = require('./Module');
+const Optimization = require('./Optimization');
 const Performance = require('./Performance');
 
 module.exports = class extends ChainedMap {
@@ -15,6 +16,7 @@ module.exports = class extends ChainedMap {
     this.entryPoints = new ChainedMap(this);
     this.module = new Module(this);
     this.node = new ChainedMap(this);
+    this.optimization = new Optimization(this);
     this.output = new Output(this);
     this.performance = new Performance(this);
     this.plugins = new ChainedMap(this);
@@ -24,14 +26,15 @@ module.exports = class extends ChainedMap {
       'amd',
       'bail',
       'cache',
-      'devtool',
       'context',
+      'devtool',
       'externals',
       'loader',
+      'mode',
       'parallelism',
       'profile',
-      'recordsPath',
       'recordsInputPath',
+      'recordsPath',
       'recordsOutputPath',
       'stats',
       'target',
@@ -66,6 +69,7 @@ module.exports = class extends ChainedMap {
       resolveLoader: this.resolveLoader.toConfig(),
       devServer: this.devServer.toConfig(),
       module: this.module.toConfig(),
+      optimization: this.optimization.entries(),
       plugins: this.plugins.values().map(plugin => plugin.toConfig()),
       performance: this.performance.entries(),
       entry: Object
@@ -81,6 +85,7 @@ module.exports = class extends ChainedMap {
       'resolve',
       'resolveLoader',
       'devServer',
+      'optimization',
       'performance',
       'module'
     ];
diff --git a/src/Module.js b/src/Module.js
index 3d2af64..7faaf44 100644
--- a/src/Module.js
+++ b/src/Module.js
@@ -5,9 +5,18 @@ module.exports = class extends ChainedMap {
   constructor(parent) {
     super(parent);
     this.rules = new ChainedMap(this);
+    this.defaultRules = new ChainedMap(this);
     this.extend(['noParse']);
   }
 
+  defaultRule(name) {
+    if (!this.defaultRules.has(name)) {
+      this.defaultRules.set(name, new Rule(this));
+    }
+
+    return this.defaultRules.get(name);
+  }
+
   rule(name) {
     if (!this.rules.has(name)) {
       this.rules.set(name, new Rule(this));
@@ -18,6 +27,7 @@ module.exports = class extends ChainedMap {
 
   toConfig() {
     return this.clean(Object.assign(this.entries() || {}, {
+      defaultRules: this.defaultRules.values().map(r => r.toConfig()),
       rules: this.rules.values().map(r => r.toConfig())
     }));
   }
@@ -29,6 +39,12 @@ module.exports = class extends ChainedMap {
         .forEach(name => this.rule(name).merge(obj.rule[name]));
     }
 
-    return super.merge(obj, ['rule']);
+    if (!omit.includes('defaultRule') && 'defaultRule' in obj) {
+      Object
+        .keys(obj.defaultRule)
+        .forEach(name => this.defaultRule(name).merge(obj.defaultRule[name]));
+    }
+
+    return super.merge(obj, ['rule', 'defaultRule']);
   }
 };
diff --git a/src/Optimization.js b/src/Optimization.js
new file mode 100644
index 0000000..cb061f8
--- /dev/null
+++ b/src/Optimization.js
@@ -0,0 +1,27 @@
+const ChainedMap = require('./ChainedMap');
+
+module.exports = class extends ChainedMap {
+  constructor(parent) {
+    super(parent);
+    this.extend([
+      'concatenateModules',
+      'flagIncludedChunks',
+      'mergeDuplicateChunks',
+      'minimize',
+      'minimizer',
+      'namedChunks',
+      'namedModules',
+      'nodeEnv',
+      'noEmitOnErrors',
+      'occurrenceOrder',
+      'portableRecords',
+      'providedExports',
+      'removeAvailableModules',
+      'removeEmptyChunks',
+      'runtimeChunk',
+      'sideEffects',
+      'splitChunks',
+      'usedExports',
+    ]);
+  }
+};
diff --git a/src/Output.js b/src/Output.js
index 9d6b10a..296c367 100644
--- a/src/Output.js
+++ b/src/Output.js
@@ -5,13 +5,16 @@ module.exports = class extends ChainedMap {
     super(parent);
     this.extend([
       'auxiliaryComment',
+      'chunkCallbackName',
       'chunkFilename',
       'chunkLoadTimeout',
       'crossOriginLoading',
       'devtoolFallbackModuleFilenameTemplate',
       'devtoolLineToLine',
       'devtoolModuleFilenameTemplate',
+      'devtoolNamespace',
       'filename',
+      'globalObject',
       'hashDigest',
       'hashDigestLength',
       'hashFunction',
@@ -29,7 +32,8 @@ module.exports = class extends ChainedMap {
       'sourceMapFilename',
       'sourcePrefix',
       'strictModuleExceptionHandling',
-      'umdNamedDefine'
+      'umdNamedDefine',
+      'webassemblyModuleFilename',
     ]);
   }
 };
diff --git a/src/Performance.js b/src/Performance.js
index 5f0d2d6..c94ca12 100644
--- a/src/Performance.js
+++ b/src/Performance.js
@@ -4,10 +4,10 @@ module.exports = class extends ChainedMap {
   constructor(parent) {
     super(parent);
     this.extend([
+      'assetFilter',
       'hints',
-      'maxEntrypointSize',
       'maxAssetSize',
-      'assetFilter'
+      'maxEntrypointSize'
     ]);
   }
 };
diff --git a/src/Resolve.js b/src/Resolve.js
index 85ae880..066c8eb 100644
--- a/src/Resolve.js
+++ b/src/Resolve.js
@@ -17,10 +17,11 @@ module.exports = class extends ChainedMap {
     this.extend([
       'cachePredicate',
       'cacheWithContext',
+      'concord',
       'enforceExtension',
       'enforceModuleExtension',
+      'symlinks',
       'unsafeCache',
-      'symlinks'
     ]);
   }
 
diff --git a/src/Rule.js b/src/Rule.js
index 55b1a5a..19d6d16 100644
--- a/src/Rule.js
+++ b/src/Rule.js
@@ -9,7 +9,16 @@ module.exports = class Rule extends ChainedMap {
     this.include = new ChainedSet(this);
     this.exclude = new ChainedSet(this);
     this.oneOfs = new ChainedMap(this);
-    this.extend(['parser', 'test', 'enforce', 'issuer', 'resource', 'resourceQuery']);
+    this.extend([
+      'enforce',
+      'issuer',
+      'parser',
+      'resource',
+      'resourceQuery',
+      'sideEffects',
+      'test',
+      'type'
+    ]);
   }
 
   use(name) {
diff --git a/test/Config.js b/test/Config.js
index 2b6286f..848dcd6 100644
--- a/test/Config.js
+++ b/test/Config.js
@@ -85,14 +85,24 @@ test('toConfig with values', t => {
     .output
       .path('build')
       .end()
+    .mode('development')
     .node
       .set('__dirname', 'mock')
       .end()
+    .optimization
+      .nodeEnv('PRODUCTION')
+      .end()
     .target('node')
     .plugin('stringify')
       .use(StringifyPlugin)
       .end()
     .module
+      .defaultRule('inline')
+        .use('banner')
+          .loader('banner-loader')
+          .options({ prefix: 'banner-prefix.txt' })
+          .end()
+        .end()
       .rule('compile')
         .include
           .add('alpha')
@@ -110,15 +120,25 @@ test('toConfig with values', t => {
           .options({ presets: ['alpha'] });
 
   t.deepEqual(config.toConfig(), {
+    mode: 'development',
     node: {
       __dirname: 'mock'
     },
+    optimization: {
+      nodeEnv: 'PRODUCTION',
+    },
     output: {
       path: 'build'
     },
     target: 'node',
     plugins: [new StringifyPlugin()],
     module: {
+      defaultRules: [{
+        use: [{
+          loader: 'banner-loader',
+          options: { prefix: 'banner-prefix.txt' },
+        }]
+      }],
       rules: [{
         include: ['alpha', 'beta'],
         exclude: ['alpha', 'beta'],
@@ -135,9 +155,10 @@ test('toConfig with values', t => {
 
 test('validate empty', t => {
   const config = new Config();
+
   const errors = validate(config.toConfig());
 
-  t.is(errors.length, 1);
+  t.is(errors.length, 0);
 });
 
 test('validate with entry', t => {
@@ -161,6 +182,10 @@ test('validate with values', t => {
     .output
       .path('/build')
       .end()
+    .mode('development')
+    .optimization
+      .nodeEnv('PRODUCTION')
+      .end()
     .node
       .set('__dirname', 'mock')
       .end()
@@ -178,6 +203,7 @@ test('validate with values', t => {
           .add('alpha')
           .add('beta')
           .end()
+        .sideEffects(false)
         .post()
         .pre()
         .test(/\.js$/)
diff --git a/test/Module.js b/test/Module.js
index e16b76a..fb65530 100644
--- a/test/Module.js
+++ b/test/Module.js
@@ -24,6 +24,14 @@ test('rule', t => {
   t.true(module.rules.has('compile'));
 });
 
+test('defaultRule', t => {
+  const module = new Module();
+  const instance = module.defaultRule('banner').end();
+
+  t.is(instance, module);
+  t.true(module.defaultRules.has('banner'));
+})
+
 test('toConfig empty', t => {
   const module = new Module();
 
diff --git a/test/Optimization.js b/test/Optimization.js
new file mode 100644
index 0000000..48d1957
--- /dev/null
+++ b/test/Optimization.js
@@ -0,0 +1,21 @@
+import test from 'ava';
+import Optimization from '../src/Optimization';
+
+test('is Chainable', t => {
+  const parent = { parent: true };
+  const optimization = new Optimization(parent);
+
+  t.is(optimization.end(), parent);
+});
+
+test('shorthand methods', t => {
+  const optimization = new Optimization();
+  const obj = {};
+
+  optimization.shorthands.map(method => {
+    obj[method] = 'alpha';
+    t.is(optimization[method]('alpha'), optimization);
+  });
+
+  t.deepEqual(optimization.entries(), obj);
+});
diff --git a/test/Performance.js b/test/Performance.js
new file mode 100644
index 0000000..41107a5
--- /dev/null
+++ b/test/Performance.js
@@ -0,0 +1,21 @@
+import test from 'ava';
+import Performance from '../src/Performance';
+
+test('is Chainable', t => {
+  const parent = { parent: true };
+  const performance = new Performance(parent);
+
+  t.is(performance.end(), parent);
+});
+
+test('shorthand methods', t => {
+  const performance = new Performance();
+  const obj = {};
+
+  performance.shorthands.map(method => {
+    obj[method] = 'alpha';
+    t.is(performance[method]('alpha'), performance);
+  });
+
+  t.deepEqual(performance.entries(), obj);
+});
diff --git a/yarn.lock b/yarn.lock
index f3ed9d4..979482d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -57,15 +57,11 @@ abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
 
-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"
+acorn-dynamic-import@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/acorn-dynamic-import/-/acorn-dynamic-import-3.0.0.tgz#901ceee4c7faaef7e07ad2a47e890675da50a278"
   dependencies:
-    acorn "^4.0.3"
-
-acorn@^4.0.3:
-  version "4.0.13"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
+    acorn "^5.0.0"
 
 acorn@^5.0.0:
   version "5.5.3"
@@ -100,14 +96,6 @@ ajv@^6.1.0:
     json-schema-traverse "^0.3.0"
     uri-js "^3.0.2"
 
-align-text@^0.1.1, align-text@^0.1.3:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
-  dependencies:
-    kind-of "^3.0.2"
-    longest "^1.0.1"
-    repeat-string "^1.5.2"
-
 ansi-align@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ansi-align/-/ansi-align-2.0.0.tgz#c36aeccba563b89ceb556f3690f0b1d9e3547f7f"
@@ -154,7 +142,7 @@ anymatch@^2.0.0:
     micromatch "^3.1.4"
     normalize-path "^2.1.1"
 
-aproba@^1.0.3:
+aproba@^1.0.3, aproba@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
 
@@ -257,12 +245,6 @@ async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
 
-async@^2.1.2:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.0.tgz#61a29abb6fcc026fea77e56d1c6ec53a795951f4"
-  dependencies:
-    lodash "^4.14.0"
-
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -719,7 +701,7 @@ block-stream@*:
   dependencies:
     inherits "~2.0.0"
 
-bluebird@^3.0.0:
+bluebird@^3.0.0, bluebird@^3.5.1:
   version "3.5.1"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
 
@@ -847,6 +829,10 @@ buf-compare@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/buf-compare/-/buf-compare-1.0.1.tgz#fef28da8b8113a0a0db4430b0b6467b69730b34a"
 
+buffer-from@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.0.0.tgz#4cb8832d23612589b0406e9e2956c17f06fdf531"
+
 buffer-xor@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
@@ -867,6 +853,24 @@ builtin-status-codes@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
 
+cacache@^10.0.4:
+  version "10.0.4"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-10.0.4.tgz#6452367999eff9d4188aefd9a14e9d7c6a263460"
+  dependencies:
+    bluebird "^3.5.1"
+    chownr "^1.0.1"
+    glob "^7.1.2"
+    graceful-fs "^4.1.11"
+    lru-cache "^4.1.1"
+    mississippi "^2.0.0"
+    mkdirp "^0.5.1"
+    move-concurrently "^1.0.1"
+    promise-inflight "^1.0.1"
+    rimraf "^2.6.2"
+    ssri "^5.2.4"
+    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"
@@ -909,15 +913,11 @@ camelcase-keys@^2.0.0:
     camelcase "^2.0.0"
     map-obj "^1.0.0"
 
-camelcase@^1.0.2:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
-
 camelcase@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
 
-camelcase@^4.0.0, camelcase@^4.1.0:
+camelcase@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
 
@@ -929,13 +929,6 @@ caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
 
-center-align@^0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/center-align/-/center-align-0.1.3.tgz#aa0d32629b6ee972200411cbd4461c907bc2b7ad"
-  dependencies:
-    align-text "^0.1.3"
-    lazy-cache "^1.0.3"
-
 chalk@2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.0.tgz#b5ea48efc9c1793dccc9b4767c93914d3f2d52ba"
@@ -1018,6 +1011,14 @@ chokidar@^2.0.2:
   optionalDependencies:
     fsevents "^1.1.2"
 
+chownr@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
+
+chrome-trace-event@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/chrome-trace-event/-/chrome-trace-event-0.1.3.tgz#d395af2d31c87b90a716c831fe326f69768ec084"
+
 ci-info@^1.0.0:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-1.1.3.tgz#710193264bb05c77b8c90d02f5aaf22216a667b2"
@@ -1074,22 +1075,6 @@ cli@1.0.1:
     exit "0.1.2"
     glob "^7.1.1"
 
-cliui@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
-  dependencies:
-    center-align "^0.1.1"
-    right-align "^0.1.1"
-    wordwrap "0.0.2"
-
-cliui@^3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
-  dependencies:
-    string-width "^1.0.1"
-    strip-ansi "^3.0.1"
-    wrap-ansi "^2.0.0"
-
 co-with-promise@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/co-with-promise/-/co-with-promise-4.6.0.tgz#413e7db6f5893a60b942cf492c4bec93db415ab7"
@@ -1133,6 +1118,10 @@ combined-stream@1.0.6, combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
+commander@~2.13.0:
+  version "2.13.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.13.0.tgz#6964bca67685df7c1f1430c584f07d7597885b9c"
+
 common-path-prefix@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/common-path-prefix/-/common-path-prefix-1.0.0.tgz#cd52f6f0712e0baab97d6f9732874f22f47752c0"
@@ -1149,6 +1138,15 @@ concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
+concat-stream@^1.5.0:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
+  dependencies:
+    buffer-from "^1.0.0"
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
+
 concordance@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/concordance/-/concordance-3.0.0.tgz#b2286af54405fc995fc7345b0b106d8dd073cb29"
@@ -1198,6 +1196,17 @@ convert-to-spaces@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/convert-to-spaces/-/convert-to-spaces-1.0.2.tgz#7e3e48bbe6d997b1417ddca2868204b4d3d85715"
 
+copy-concurrently@^1.0.0:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/copy-concurrently/-/copy-concurrently-1.0.5.tgz#92297398cae34937fcafd6ec8139c18051f0b5e0"
+  dependencies:
+    aproba "^1.1.1"
+    fs-write-stream-atomic "^1.0.8"
+    iferr "^0.1.5"
+    mkdirp "^0.5.1"
+    rimraf "^2.5.4"
+    run-queue "^1.0.0"
+
 copy-descriptor@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
@@ -1297,11 +1306,9 @@ currently-unhandled@^0.4.1:
   dependencies:
     array-find-index "^1.0.1"
 
-d@1:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/d/-/d-1.0.0.tgz#754bb5bfe55451da69a58b94d45f4c5b0462d58f"
-  dependencies:
-    es5-ext "^0.10.9"
+cyclist@~0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/cyclist/-/cyclist-0.2.2.tgz#1b33792e11e914a2fd6d6ed6447464444e5fa640"
 
 dashdash@^1.12.0:
   version "1.14.1"
@@ -1335,7 +1342,7 @@ debug@^3.0.1:
   dependencies:
     ms "2.0.0"
 
-decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
+decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
@@ -1425,6 +1432,15 @@ duplexer3@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/duplexer3/-/duplexer3-0.1.4.tgz#ee01dd1cac0ed3cbc7fdbea37dc0a8f1ce002ce2"
 
+duplexify@^3.4.2, duplexify@^3.5.3:
+  version "3.5.4"
+  resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.5.4.tgz#4bb46c1796eabebeec4ca9a2e66b808cb7a3d8b4"
+  dependencies:
+    end-of-stream "^1.0.0"
+    inherits "^2.0.1"
+    readable-stream "^2.0.0"
+    stream-shift "^1.0.0"
+
 ecc-jsbn@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
@@ -1454,20 +1470,25 @@ empower-core@^0.6.1:
     call-signature "0.0.2"
     core-js "^2.0.0"
 
-enhanced-resolve@^3.4.0:
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-3.4.1.tgz#0421e339fd71419b3da13d129b3979040230476e"
+end-of-stream@^1.0.0, end-of-stream@^1.1.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
+  dependencies:
+    once "^1.4.0"
+
+enhanced-resolve@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-4.0.0.tgz#e34a6eaa790f62fccd71d93959f56b2b432db10a"
   dependencies:
     graceful-fs "^4.1.2"
     memory-fs "^0.4.0"
-    object-assign "^4.0.1"
-    tapable "^0.2.7"
+    tapable "^1.0.0"
 
 equal-length@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/equal-length/-/equal-length-1.0.1.tgz#21ca112d48ab24b4e1e7ffc0e5339d31fdfc274c"
 
-errno@^0.1.3:
+errno@^0.1.3, errno@~0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
   dependencies:
@@ -1479,73 +1500,18 @@ error-ex@^1.2.0, error-ex@^1.3.1:
   dependencies:
     is-arrayish "^0.2.1"
 
-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:
-    es6-iterator "~2.0.3"
-    es6-symbol "~3.1.1"
-    next-tick "1"
-
 es6-error@^4.0.1, es6-error@^4.0.2:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/es6-error/-/es6-error-4.1.1.tgz#9e3af407459deed47e9a91f9b885a84eb05c561d"
 
-es6-iterator@^2.0.1, es6-iterator@~2.0.1, es6-iterator@~2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
-  dependencies:
-    d "1"
-    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-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:
-  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-string-regexp@^1.0.2, escape-string-regexp@^1.0.4, escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
 
-escope@^3.6.0:
-  version "3.6.0"
-  resolved "https://registry.yarnpkg.com/escope/-/escope-3.6.0.tgz#e01975e812781a163a6dadfdd80398dc64c889c3"
+eslint-scope@^3.7.1:
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
   dependencies:
-    es6-map "^0.1.3"
-    es6-weak-map "^2.0.1"
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
@@ -1582,13 +1548,6 @@ esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
 
-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"
-
 events@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
@@ -1746,6 +1705,13 @@ find-up@^2.0.0, find-up@^2.1.0:
   dependencies:
     locate-path "^2.0.0"
 
+flush-write-stream@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.0.3.tgz#c5d586ef38af6097650b49bc41b55fabb19f35bd"
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.4"
+
 fn-name@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/fn-name/-/fn-name-2.0.1.tgz#5214d7537a4d06a4a301c0cc262feb84188002e7"
@@ -1786,6 +1752,22 @@ fragment-cache@^0.2.1:
   dependencies:
     map-cache "^0.2.2"
 
+from2@^2.1.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/from2/-/from2-2.3.0.tgz#8bfb5502bde4a4d36cfdeea007fcca21d7e382af"
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.0"
+
+fs-write-stream-atomic@^1.0.8:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/fs-write-stream-atomic/-/fs-write-stream-atomic-1.0.10.tgz#b47df53493ef911df75731e70a9ded0189db40c9"
+  dependencies:
+    graceful-fs "^4.1.2"
+    iferr "^0.1.5"
+    imurmurhash "^0.1.4"
+    readable-stream "1 || 2"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -1831,10 +1813,6 @@ gauge@~2.7.3:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
-get-caller-file@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.2.tgz#f702e63127e7e231c160a80c1554acb70d5047e5"
-
 get-port@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/get-port/-/get-port-3.2.0.tgz#dd7ce7de187c06c8bf353796ac71e099f0980ebc"
@@ -1881,7 +1859,7 @@ glob-parent@^3.1.0:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
-glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
+glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
   dependencies:
@@ -2115,6 +2093,10 @@ ieee754@^1.1.4:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.11.tgz#c16384ffe00f5b7835824e67b6f2bd44a5229455"
 
+iferr@^0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/iferr/-/iferr-0.1.5.tgz#c60eed69e6d8fdb6b3104a1fcbca1c192dc5b501"
+
 ignore-by-default@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/ignore-by-default/-/ignore-by-default-1.0.1.tgz#48ca6d72f6c6a3af00a9ad4ae6876be3889e2b09"
@@ -2167,20 +2149,12 @@ ini@^1.3.4, ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
 
-interpret@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.1.0.tgz#7ed1b1410c6a0e0f78cf95d3b8440c63f78b8614"
-
 invariant@^2.2.2:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
   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"
-
 irregular-plurals@^1.0.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/irregular-plurals/-/irregular-plurals-1.4.0.tgz#2ca9b033651111855412f16be5d77c62a458a766"
@@ -2475,10 +2449,6 @@ jsesc@~0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
 
-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:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
@@ -2550,16 +2520,6 @@ latest-version@^3.0.0:
   dependencies:
     package-json "^4.0.0"
 
-lazy-cache@^1.0.3:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
-
-lcid@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/lcid/-/lcid-1.0.0.tgz#308accafa0bc483a3867b4b6f2b9506251d1b835"
-  dependencies:
-    invert-kv "^1.0.0"
-
 load-json-file@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
@@ -2639,14 +2599,10 @@ lodash.merge@^4.6.0:
   version "4.6.1"
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.1.tgz#adc25d9cb99b9391c59624f379fbba60d7111d54"
 
-lodash@4.17.5, lodash@^4.14.0, lodash@^4.17.4:
+lodash@4.17.5, lodash@^4.17.4:
   version "4.17.5"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
 
-longest@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
-
 loose-envify@^1.0.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.3.1.tgz#d1a8ad33fa9ce0e713d65fdd0ac8b748d478c848"
@@ -2664,7 +2620,7 @@ lowercase-keys@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.1.tgz#6f9e30b47084d971a7c820ff15a6c5167b74c26f"
 
-lru-cache@^4.0.1:
+lru-cache@^4.0.1, lru-cache@^4.1.1:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.2.tgz#45234b2e6e2f2b33da125624c4664929a0224c3f"
   dependencies:
@@ -2720,12 +2676,6 @@ md5.js@^1.3.4:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
-mem@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/mem/-/mem-1.1.0.tgz#5edd52b485ca1d900fe64895505399a0dfa45f76"
-  dependencies:
-    mimic-fn "^1.0.0"
-
 memory-fs@^0.4.0, memory-fs@~0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/memory-fs/-/memory-fs-0.4.1.tgz#3a9a20b8462523e447cfbc7e8bb80ed667bfc552"
@@ -2766,7 +2716,7 @@ micromatch@^2.1.5:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
-micromatch@^3.1.4:
+micromatch@^3.1.4, micromatch@^3.1.8:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
   dependencies:
@@ -2827,6 +2777,21 @@ minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
+mississippi@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-2.0.0.tgz#3442a508fafc28500486feea99409676e4ee5a6f"
+  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 "^2.0.1"
+    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"
@@ -2844,6 +2809,17 @@ moment@2.20.1:
   version "2.20.1"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.20.1.tgz#d6eb1a46cbcc14a2b2f9434112c1ff8907f313fd"
 
+move-concurrently@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/move-concurrently/-/move-concurrently-1.0.1.tgz#be2c005fda32e0b29af1f05d7c4b33214c701f92"
+  dependencies:
+    aproba "^1.1.1"
+    copy-concurrently "^1.0.0"
+    fs-write-stream-atomic "^1.0.8"
+    mkdirp "^0.5.1"
+    rimraf "^2.5.4"
+    run-queue "^1.0.3"
+
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
@@ -2886,10 +2862,6 @@ neo-async@^2.5.0:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.5.1.tgz#acb909e327b1e87ec9ef15f41b8a269512ad41ee"
 
-next-tick@1:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
-
 node-libs-browser@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/node-libs-browser/-/node-libs-browser-2.1.0.tgz#5f94263d404f6e44767d726901fff05478d600df"
@@ -3017,7 +2989,7 @@ observable-to-promise@^0.5.0:
     is-observable "^0.2.0"
     symbol-observable "^1.0.4"
 
-once@^1.3.0, once@^1.3.3:
+once@^1.3.0, once@^1.3.1, once@^1.3.3, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   dependencies:
@@ -3041,14 +3013,6 @@ os-homedir@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
 
-os-locale@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-2.1.0.tgz#42bc2900a6b5b8bd17376c8e882b65afccf24bf2"
-  dependencies:
-    execa "^0.7.0"
-    lcid "^1.0.0"
-    mem "^1.1.0"
-
 os-tmpdir@^1.0.0, os-tmpdir@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
@@ -3108,6 +3072,14 @@ pako@~1.0.5:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.6.tgz#0101211baa70c4bca4a0f63f2206e97b7dfaf258"
 
+parallel-transform@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/parallel-transform/-/parallel-transform-1.1.0.tgz#d410f065b05da23081fcd10f28854c29bda33b06"
+  dependencies:
+    cyclist "~0.2.2"
+    inherits "^2.0.3"
+    readable-stream "^2.1.5"
+
 parse-asn1@^5.0.0:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.1.tgz#f6bf293818332bd0dab54efb16087724745e6ca8"
@@ -3298,6 +3270,10 @@ process@^0.11.10:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
 
+promise-inflight@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/promise-inflight/-/promise-inflight-1.0.1.tgz#98472870bf228132fcbdd868129bad12c3c029e3"
+
 prr@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/prr/-/prr-1.0.1.tgz#d3fc114ba06995a45ec6893f484ceb1d78f5f476"
@@ -3316,6 +3292,21 @@ public-encrypt@^4.0.0:
     parse-asn1 "^5.0.0"
     randombytes "^2.0.1"
 
+pump@^2.0.0, pump@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-2.0.1.tgz#12399add6e4cf7526d973cbc8b5ce2e2908b3909"
+  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"
+  dependencies:
+    duplexify "^3.5.3"
+    inherits "^2.0.3"
+    pump "^2.0.0"
+
 punycode@1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
@@ -3407,7 +3398,7 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
-readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.3.3:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
@@ -3565,14 +3556,6 @@ request@2.83.0:
     tunnel-agent "^0.6.0"
     uuid "^3.1.0"
 
-require-directory@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
-
-require-main-filename@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
-
 require-precompiled@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/require-precompiled/-/require-precompiled-0.1.0.tgz#5a1b52eb70ebed43eb982e974c85ab59571e56fa"
@@ -3602,13 +3585,7 @@ ret@~0.1.10:
   version "0.1.15"
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
 
-right-align@^0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
-  dependencies:
-    align-text "^0.1.1"
-
-rimraf@2, rimraf@^2.5.1, rimraf@^2.6.1:
+rimraf@2, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
   dependencies:
@@ -3621,6 +3598,12 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^2.0.0"
     inherits "^2.0.1"
 
+run-queue@^1.0.0, run-queue@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/run-queue/-/run-queue-1.0.3.tgz#e848396f057d223f24386924618e25694161ec47"
+  dependencies:
+    aproba "^1.1.1"
+
 safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
@@ -3631,6 +3614,13 @@ safe-regex@^1.1.0:
   dependencies:
     ret "~0.1.10"
 
+schema-utils@^0.4.2, schema-utils@^0.4.5:
+  version "0.4.5"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.5.tgz#21836f0608aac17b78f9e3e24daff14a5ca13a3e"
+  dependencies:
+    ajv "^6.1.0"
+    ajv-keywords "^3.1.0"
+
 semver-diff@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/semver-diff/-/semver-diff-2.1.0.tgz#4bbb8437c8d37e4b0cf1a68fd726ec6d645d6d36"
@@ -3645,7 +3635,11 @@ serialize-error@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/serialize-error/-/serialize-error-2.1.0.tgz#50b679d5635cdf84667bdc8e59af4e5b81d5f60a"
 
-set-blocking@^2.0.0, set-blocking@~2.0.0:
+serialize-javascript@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.4.0.tgz#7c958514db6ac2443a8abc062dc9f7886a7f6005"
+
+set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
 
@@ -3785,11 +3779,11 @@ 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@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1:
+source-map@^0.5.0, source-map@^0.5.6, source-map@^0.5.7:
   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@^0.6.0, 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"
 
@@ -3839,6 +3833,12 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
+ssri@^5.2.4:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-5.3.0.tgz#ba3872c9c6d33a0704a7d71ff045e5ec48999d06"
+  dependencies:
+    safe-buffer "^5.1.1"
+
 stack-utils@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/stack-utils/-/stack-utils-1.0.1.tgz#d4f33ab54e8e38778b0ca5cfd3b3afb12db68620"
@@ -3857,6 +3857,13 @@ stream-browserify@^2.0.1:
     inherits "~2.0.1"
     readable-stream "^2.0.2"
 
+stream-each@^1.1.0:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/stream-each/-/stream-each-1.2.2.tgz#8e8c463f91da8991778765873fe4d960d8f616bd"
+  dependencies:
+    end-of-stream "^1.1.0"
+    stream-shift "^1.0.0"
+
 stream-http@^2.7.2:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.8.1.tgz#d0441be1a457a73a733a8a7b53570bebd9ef66a4"
@@ -3867,6 +3874,10 @@ stream-http@^2.7.2:
     to-arraybuffer "^1.0.0"
     xtend "^4.0.0"
 
+stream-shift@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.0.tgz#d5c752825e5367e786f78e18e445ea223a155952"
+
 string-width@^1.0.1, string-width@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
@@ -3952,7 +3963,7 @@ supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
 
-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:
@@ -3972,9 +3983,9 @@ symbol-observable@^1.0.4, symbol-observable@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
 
-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"
 
 tar-pack@^3.4.0:
   version "3.4.1"
@@ -4090,26 +4101,29 @@ tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   version "0.14.5"
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
 
-uglify-js@^2.8.29:
-  version "2.8.29"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
-  dependencies:
-    source-map "~0.5.1"
-    yargs "~3.10.0"
-  optionalDependencies:
-    uglify-to-browserify "~1.0.0"
+typedarray@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-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"
+uglify-es@^3.3.4:
+  version "3.3.9"
+  resolved "https://registry.yarnpkg.com/uglify-es/-/uglify-es-3.3.9.tgz#0c1c4f0700bed8dbc124cdb304d2592ca203e677"
+  dependencies:
+    commander "~2.13.0"
+    source-map "~0.6.1"
 
-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"
+uglifyjs-webpack-plugin@^1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.2.4.tgz#5eec941b2e9b8538be0a20fc6eda25b14c7c1043"
   dependencies:
-    source-map "^0.5.6"
-    uglify-js "^2.8.29"
-    webpack-sources "^1.0.1"
+    cacache "^10.0.4"
+    find-cache-dir "^1.0.0"
+    schema-utils "^0.4.5"
+    serialize-javascript "^1.4.0"
+    source-map "^0.6.1"
+    uglify-es "^3.3.4"
+    webpack-sources "^1.1.0"
+    worker-farm "^1.5.2"
 
 uid-number@^0.0.6:
   version "0.0.6"
@@ -4128,6 +4142,18 @@ union-value@^1.0.0:
     is-extendable "^0.1.1"
     set-value "^0.4.3"
 
+unique-filename@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/unique-filename/-/unique-filename-1.1.0.tgz#d05f2fe4032560871f30e93cbe735eea201514f3"
+  dependencies:
+    unique-slug "^2.0.0"
+
+unique-slug@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/unique-slug/-/unique-slug-2.0.0.tgz#db6676e7c7cc0629878ff196097c78855ae9f4ab"
+  dependencies:
+    imurmurhash "^0.1.4"
+
 unique-string@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unique-string/-/unique-string-1.0.0.tgz#9e1057cca851abb93398f8b33ae187b99caec11a"
@@ -4236,7 +4262,7 @@ vm-browserify@0.0.4:
   dependencies:
     indexof "0.0.1"
 
-watchpack@^1.4.0:
+watchpack@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.5.0.tgz#231e783af830a22f8966f65c4c4bacc814072eed"
   dependencies:
@@ -4244,48 +4270,41 @@ watchpack@^1.4.0:
     graceful-fs "^4.1.2"
     neo-async "^2.5.0"
 
-webpack-sources@^1.0.1:
+webpack-sources@^1.0.1, webpack-sources@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.1.0.tgz#a101ebae59d6507354d71d8013950a3a8b7a5a54"
   dependencies:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@^3.6.0:
-  version "3.11.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.11.0.tgz#77da451b1d7b4b117adaf41a1a93b5742f24d894"
+webpack@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.5.0.tgz#1e6f71e148ead02be265ff2879c9cd6bb30b8848"
   dependencies:
     acorn "^5.0.0"
-    acorn-dynamic-import "^2.0.0"
+    acorn-dynamic-import "^3.0.0"
     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"
+    chrome-trace-event "^0.1.1"
+    enhanced-resolve "^4.0.0"
+    eslint-scope "^3.7.1"
     loader-runner "^2.3.0"
     loader-utils "^1.1.0"
     memory-fs "~0.4.1"
+    micromatch "^3.1.8"
     mkdirp "~0.5.0"
+    neo-async "^2.5.0"
     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"
+    schema-utils "^0.4.2"
+    tapable "^1.0.0"
+    uglifyjs-webpack-plugin "^1.2.4"
+    watchpack "^1.5.0"
     webpack-sources "^1.0.1"
-    yargs "^8.0.2"
 
 well-known-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/well-known-symbols/-/well-known-symbols-1.0.0.tgz#73c78ae81a7726a8fa598e2880801c8b16225518"
 
-which-module@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
-
 which@^1.2.9:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
@@ -4304,24 +4323,15 @@ widest-line@^2.0.0:
   dependencies:
     string-width "^2.1.1"
 
-window-size@0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
-
-wordwrap@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
-
 wordwrap@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
-wrap-ansi@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+worker-farm@^1.5.2:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.6.0.tgz#aecc405976fab5a95526180846f0dba288f3a4a0"
   dependencies:
-    string-width "^1.0.1"
-    strip-ansi "^3.0.1"
+    errno "~0.1.7"
 
 wrappy@1:
   version "1.0.2"
@@ -4369,43 +4379,10 @@ xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
-y18n@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+y18n@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
 
 yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
-
-yargs-parser@^7.0.0:
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-7.0.0.tgz#8d0ac42f16ea55debd332caf4c4038b3e3f5dfd9"
-  dependencies:
-    camelcase "^4.1.0"
-
-yargs@^8.0.2:
-  version "8.0.2"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.2.tgz#6299a9055b1cefc969ff7e79c1d918dceb22c360"
-  dependencies:
-    camelcase "^4.1.0"
-    cliui "^3.2.0"
-    decamelize "^1.1.1"
-    get-caller-file "^1.0.1"
-    os-locale "^2.0.0"
-    read-pkg-up "^2.0.0"
-    require-directory "^2.1.1"
-    require-main-filename "^1.0.1"
-    set-blocking "^2.0.0"
-    string-width "^2.0.0"
-    which-module "^2.0.0"
-    y18n "^3.2.1"
-    yargs-parser "^7.0.0"
-
-yargs@~3.10.0:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
-  dependencies:
-    camelcase "^1.0.2"
-    cliui "^2.1.0"
-    decamelize "^1.0.0"
-    window-size "0.1.0"