Merge branch '45806-improve-karma-performance' into 'master'

Fix memory and performance issues in Karma test suite

Closes #45900 and #45806

See merge request gitlab-org/gitlab-ce!18658

config/karma.config.js

-var path = require('path');
-var webpack = require('webpack');
-var argumentsParser = require('commander');
-var webpackConfig = require('./webpack.config.js');
-var ROOT_PATH = path.resolve(__dirname, '..');
+const path = require('path');
+const glob = require('glob');
+const chalk = require('chalk');
+const webpack = require('webpack');
+const argumentsParser = require('commander');
+const webpackConfig = require('./webpack.config.js');
+
+const ROOT_PATH = path.resolve(__dirname, '..');
+
+function fatalError(message) {
+  console.error(chalk.red(`\nError: ${message}\n`));
+  process.exit(1);
+}
 
 // remove problematic plugins
 if (webpackConfig.plugins) {
@@ -15,33 +23,70 @@ if (webpackConfig.plugins) {
   });
 }
 
-var testFiles = argumentsParser
+const specFilters = argumentsParser
   .option(
     '-f, --filter-spec [filter]',
     'Filter run spec files by path. Multiple filters are like a logical OR.',
-    (val, memo) => {
-      memo.push(val);
+    (filter, memo) => {
+      memo.push(filter, filter.replace(/\/?$/, '/**/*.js'));
       return memo;
     },
     []
   )
   .parse(process.argv).filterSpec;
 
-webpackConfig.plugins.push(
-  new webpack.DefinePlugin({
-    'process.env.TEST_FILES': JSON.stringify(testFiles),
+if (specFilters.length) {
+  const specsPath = /^(?:\.[\\\/])?spec[\\\/]javascripts[\\\/]/;
+
+  // resolve filters
+  let filteredSpecFiles = specFilters.map(filter =>
+    glob
+      .sync(filter, {
+        root: ROOT_PATH,
+        matchBase: true,
       })
-);
+      .filter(path => path.endsWith('spec.js'))
+  );
+
+  // flatten
+  filteredSpecFiles = Array.prototype.concat.apply([], filteredSpecFiles);
+
+  // remove duplicates
+  filteredSpecFiles = [...new Set(filteredSpecFiles)];
+
+  if (filteredSpecFiles.length < 1) {
+    fatalError('Your filter did not match any test files.');
+  }
+
+  if (!filteredSpecFiles.every(file => specsPath.test(file))) {
+    fatalError('Test files must be located within /spec/javascripts.');
+  }
+
+  const newContext = filteredSpecFiles.reduce((context, file) => {
+    const relativePath = file.replace(specsPath, '');
+    context[file] = `./${relativePath}`;
+    return context;
+  }, {});
+
+  webpackConfig.plugins.push(
+    new webpack.ContextReplacementPlugin(
+      /spec[\\\/]javascripts$/,
+      path.join(ROOT_PATH, 'spec/javascripts'),
+      newContext
+    )
+  );
+}
 
-webpackConfig.devtool = process.env.BABEL_ENV !== 'coverage' && 'cheap-inline-source-map';
+webpackConfig.entry = undefined;
+webpackConfig.devtool = 'cheap-inline-source-map';
 
 // Karma configuration
 module.exports = function(config) {
   process.env.TZ = 'Etc/UTC';
 
-  var progressReporter = process.env.CI ? 'mocha' : 'progress';
+  const progressReporter = process.env.CI ? 'mocha' : 'progress';
 
-  var karmaConfig = {
+  const karmaConfig = {
     basePath: ROOT_PATH,
     browsers: ['ChromeHeadlessCustom'],
     customLaunchers: {

config/webpack.config.js

@@ -69,6 +69,9 @@ const config = {
         test: /\.js$/,
         exclude: /(node_modules|vendor\/assets)/,
         loader: 'babel-loader',
+        options: {
+          cacheDirectory: path.join(ROOT_PATH, 'tmp/cache/babel-loader'),
+        },
       },
       {
         test: /\.vue$/,

doc/development/testing_guide/frontend_testing.md

@@ -62,6 +62,7 @@ describe('.methodName', () => {
   });
 });
 ```
+
 #### Testing promises
 
 When testing Promises you should always make sure that the test is asynchronous and rejections are handled.
@@ -69,9 +70,9 @@ Your Promise chain should therefore end with a call of the `done` callback and `
 
 ```javascript
 // Good
-it('tests a promise', (done) => {
+it('tests a promise', done => {
   promise
-    .then((data) => {
+    .then(data => {
       expect(data).toBe(asExpected);
     })
     .then(done)
@@ -79,10 +80,10 @@ it('tests a promise', (done) => {
 });
 
 // Good
-it('tests a promise rejection', (done) => {
+it('tests a promise rejection', done => {
   promise
     .then(done.fail)
-    .catch((error) => {
+    .catch(error => {
       expect(error).toBe(expectedError);
     })
     .then(done)
@@ -91,38 +92,37 @@ it('tests a promise rejection', (done) => {
 
 // Bad (missing done callback)
 it('tests a promise', () => {
-  promise
-    .then((data) => {
+  promise.then(data => {
     expect(data).toBe(asExpected);
-    })
+  });
 });
 
 // Bad (missing catch)
-it('tests a promise', (done) => {
+it('tests a promise', done => {
   promise
-    .then((data) => {
+    .then(data => {
       expect(data).toBe(asExpected);
     })
-    .then(done)
+    .then(done);
 });
 
 // Bad (use done.fail in asynchronous tests)
-it('tests a promise', (done) => {
+it('tests a promise', done => {
   promise
-    .then((data) => {
+    .then(data => {
       expect(data).toBe(asExpected);
     })
     .then(done)
-    .catch(fail)
+    .catch(fail);
 });
 
 // Bad (missing catch)
-it('tests a promise rejection', (done) => {
+it('tests a promise rejection', done => {
   promise
-    .catch((error) => {
+    .catch(error => {
       expect(error).toBe(expectedError);
     })
-    .then(done)
+    .then(done);
 });
 ```
 
@@ -181,8 +181,8 @@ See this [section][vue-test].
 `rake karma` runs the frontend-only (JavaScript) tests.
 It consists of two subtasks:
 
-- `rake karma:fixtures` (re-)generates fixtures
-- `rake karma:tests` actually executes the tests
+* `rake karma:fixtures` (re-)generates fixtures
+* `rake karma:tests` actually executes the tests
 
 As long as the fixtures don't change, `rake karma:tests` (or `yarn karma`)
 is sufficient (and saves you some time).
@@ -217,6 +217,14 @@ yarn karma-start --filter-spec profile/account/components/
 yarn karma-start -f vue_shared -f vue_mr_widget
 ```
 
+You can also use glob syntax to match files. Remember to put quotes around the
+glob otherwise your shell may split it into multiple arguments:
+
+```bash
+# Run all specs named `file_spec` within the IDE subdirectory
+yarn karma -f 'spec/javascripts/ide/**/file_spec.js'
+```
+
 ## RSpec feature integration tests
 
 Information on setting up and running RSpec integration tests with
@@ -231,14 +239,14 @@ supported by the PhantomJS test runner which is used for both Karma and RSpec
 tests. We polyfill some JavaScript objects for older browsers, but some
 features are still unavailable:
 
-- Array.from
-- Array.first
-- Async functions
-- Generators
-- Array destructuring
-- For..Of
-- Symbol/Symbol.iterator
-- Spread
+* Array.from
+* Array.first
+* Async functions
+* Generators
+* Array destructuring
+* For..Of
+* Symbol/Symbol.iterator
+* Spread
 
 Until these are polyfilled appropriately, they should not be used. Please
 update this list with additional unsupported features.
@@ -295,11 +303,11 @@ Scenario: Developer can approve merge request
 [jasmine-focus]: https://jasmine.github.io/2.5/focused_specs.html
 [jasmine-jquery]: https://github.com/velesin/jasmine-jquery
 [karma]: http://karma-runner.github.io/
-[vue-test]:https://docs.gitlab.com/ce/development/fe_guide/vue.html#testing-vue-components
-[RSpec]: https://github.com/rspec/rspec-rails#feature-specs
-[Capybara]: https://github.com/teamcapybara/capybara
-[Karma]: http://karma-runner.github.io/
-[Jasmine]: https://jasmine.github.io/
+[vue-test]: https://docs.gitlab.com/ce/development/fe_guide/vue.html#testing-vue-components
+[rspec]: https://github.com/rspec/rspec-rails#feature-specs
+[capybara]: https://github.com/teamcapybara/capybara
+[karma]: http://karma-runner.github.io/
+[jasmine]: https://jasmine.github.io/
 
 ---
 

package.json

@@ -98,10 +98,11 @@
   "devDependencies": {
     "axios-mock-adapter": "^1.10.0",
     "babel-eslint": "^8.0.2",
-    "babel-plugin-istanbul": "^4.1.5",
+    "babel-plugin-istanbul": "^4.1.6",
     "babel-plugin-rewire": "^1.1.0",
     "babel-template": "^6.26.0",
     "babel-types": "^6.26.0",
+    "chalk": "^2.4.1",
     "commander": "^2.15.1",
     "eslint": "^3.18.0",
     "eslint-config-airbnb-base": "^10.0.1",
@@ -116,13 +117,13 @@
     "istanbul": "^0.4.5",
     "jasmine-core": "^2.9.0",
     "jasmine-jquery": "^2.1.1",
-    "karma": "^2.0.0",
+    "karma": "^2.0.2",
     "karma-chrome-launcher": "^2.2.0",
-    "karma-coverage-istanbul-reporter": "^1.4.1",
+    "karma-coverage-istanbul-reporter": "^1.4.2",
     "karma-jasmine": "^1.1.1",
     "karma-mocha-reporter": "^2.2.5",
     "karma-sourcemap-loader": "^0.3.7",
-    "karma-webpack": "2.0.7",
+    "karma-webpack": "3.0.0",
     "nodemon": "^1.15.1",
     "prettier": "1.11.1",
     "webpack-dev-server": "^2.11.2"

spec/javascripts/test_bundle.js

@@ -84,21 +84,11 @@ beforeEach(() => {
 
 const axiosDefaultAdapter = getDefaultAdapter();
 
-let testFiles = process.env.TEST_FILES || [];
-if (testFiles.length > 0) {
-  testFiles = testFiles.map(path => path.replace(/^spec\/javascripts\//, '').replace(/\.js$/, ''));
-  console.log(`Running only tests matching: ${testFiles}`);
-} else {
-  console.log('Running all tests');
-}
-
 // render all of our tests
 const testsContext = require.context('.', true, /_spec$/);
 testsContext.keys().forEach(function(path) {
   try {
-    if (testFiles.length === 0 || testFiles.some(p => path.includes(p))) {
     testsContext(path);
-    }
   } catch (err) {
     console.error('[ERROR] Unable to load spec: ', path);
     describe('Test bundle', function() {

yarn.lock

@@ -66,13 +66,6 @@
   version "2.0.48"
   resolved "https://registry.yarnpkg.com/@types/jquery/-/jquery-2.0.48.tgz#3e90d8cde2d29015e5583017f7830cb3975b2eef"
 
-JSONStream@^1.0.3:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.2.tgz#c102371b6ec3a7cf3b847ca00c20bb0fce4c6dea"
-  dependencies:
-    jsonparse "^1.2.0"
-    through ">=2.2.7 <3"
-
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
@@ -100,13 +93,6 @@ acorn-jsx@^3.0.0:
   dependencies:
     acorn "^3.0.4"
 
-acorn-node@^1.2.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/acorn-node/-/acorn-node-1.3.0.tgz#5f86d73346743810ef1269b901dbcbded020861b"
-  dependencies:
-    acorn "^5.4.1"
-    xtend "^4.0.1"
-
 acorn@^3.0.4:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
@@ -115,7 +101,7 @@ 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@^5.2.1, acorn@^5.3.0, acorn@^5.4.1:
+acorn@^5.0.0, acorn@^5.2.1, acorn@^5.3.0:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.4.1.tgz#fdc58d9d17f4a4e98d102ded826a9b9759125102"
 
@@ -226,12 +212,6 @@ ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
-ansi-styles@^3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.0.tgz#c159b8d5be0f9e5a6f346dab94f16ce022161b88"
-  dependencies:
-    color-convert "^1.9.0"
-
 ansi-styles@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
@@ -378,7 +358,7 @@ assert-plus@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-0.2.0.tgz#d74e1b87e7affc0db8aadb7021f3fe48101ab234"
 
-assert@^1.1.1, assert@^1.4.0:
+assert@^1.1.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/assert/-/assert-1.4.1.tgz#99912d591836b5a6f5b345c0f07eefc08fc65d91"
   dependencies:
@@ -392,12 +372,6 @@ ast-types@0.x.x:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.11.1.tgz#5bb3a8d5ba292c3f4ae94d46df37afc30300b990"
 
-astw@^2.0.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/astw/-/astw-2.2.0.tgz#7bd41784d32493987aeb239b6b4e1c57a873b917"
-  dependencies:
-    acorn "^4.0.3"
-
 async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
@@ -410,16 +384,12 @@ async@1.x, async@^1.4.0, async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
-async@^2.1.2, async@^2.1.4, async@^2.4.1:
+async@^2.0.0, async@^2.1.2, async@^2.1.4, async@^2.4.1:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.0.tgz#61a29abb6fcc026fea77e56d1c6ec53a795951f4"
   dependencies:
     lodash "^4.14.0"
 
-async@~0.9.0:
-  version "0.9.2"
-  resolved "https://registry.yarnpkg.com/async/-/async-0.9.2.tgz#aea74d5e61c1f899613bf64bda66d4c78f2fd17d"
-
 async@~2.1.2:
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/async/-/async-2.1.5.tgz#e587c68580994ac67fc56ff86d3ac56bdbe810bc"
@@ -672,13 +642,14 @@ babel-plugin-check-es2015-constants@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-istanbul@^4.1.5:
-  version "4.1.5"
-  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.5.tgz#6760cdd977f411d3e175bb064f2bc327d99b2b6e"
+babel-plugin-istanbul@^4.1.6:
+  version "4.1.6"
+  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
   dependencies:
+    babel-plugin-syntax-object-rest-spread "^6.13.0"
     find-up "^2.1.0"
-    istanbul-lib-instrument "^1.7.5"
-    test-exclude "^4.1.1"
+    istanbul-lib-instrument "^1.10.1"
+    test-exclude "^4.2.1"
 
 babel-plugin-rewire@^1.1.0:
   version "1.1.0"
@@ -708,7 +679,7 @@ babel-plugin-syntax-exponentiation-operator@^6.8.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
 
-babel-plugin-syntax-object-rest-spread@^6.8.0:
+babel-plugin-syntax-object-rest-spread@^6.13.0, babel-plugin-syntax-object-rest-spread@^6.8.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
 
@@ -1035,7 +1006,7 @@ babel-register@^6.26.0:
     mkdirp "^0.5.1"
     source-map-support "^0.4.15"
 
-babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.26.0:
+babel-runtime@^6.0.0, babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
   dependencies:
@@ -1294,23 +1265,6 @@ brorand@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
 
-browser-pack@^6.0.1:
-  version "6.0.4"
-  resolved "https://registry.yarnpkg.com/browser-pack/-/browser-pack-6.0.4.tgz#9a73beb3b48f9e36868be007b64400102c04a99f"
-  dependencies:
-    JSONStream "^1.0.3"
-    combine-source-map "~0.8.0"
-    defined "^1.0.0"
-    safe-buffer "^5.1.1"
-    through2 "^2.0.0"
-    umd "^3.0.0"
-
-browser-resolve@^1.11.0, browser-resolve@^1.7.0:
-  version "1.11.2"
-  resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.2.tgz#8ff09b0a2c421718a1051c260b32e48f442938ce"
-  dependencies:
-    resolve "1.1.7"
-
 browserify-aes@^1.0.0, browserify-aes@^1.0.4:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.1.1.tgz#38b7ab55edb806ff2dcda1a7f1620773a477c49f"
@@ -1363,64 +1317,6 @@ browserify-zlib@^0.1.4:
   dependencies:
     pako "~0.2.0"
 
-browserify-zlib@~0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/browserify-zlib/-/browserify-zlib-0.2.0.tgz#2869459d9aa3be245fe8fe2ca1f46e2e7f54d73f"
-  dependencies:
-    pako "~1.0.5"
-
-browserify@^14.5.0:
-  version "14.5.0"
-  resolved "https://registry.yarnpkg.com/browserify/-/browserify-14.5.0.tgz#0bbbce521acd6e4d1d54d8e9365008efb85a9cc5"
-  dependencies:
-    JSONStream "^1.0.3"
-    assert "^1.4.0"
-    browser-pack "^6.0.1"
-    browser-resolve "^1.11.0"
-    browserify-zlib "~0.2.0"
-    buffer "^5.0.2"
-    cached-path-relative "^1.0.0"
-    concat-stream "~1.5.1"
-    console-browserify "^1.1.0"
-    constants-browserify "~1.0.0"
-    crypto-browserify "^3.0.0"
-    defined "^1.0.0"
-    deps-sort "^2.0.0"
-    domain-browser "~1.1.0"
-    duplexer2 "~0.1.2"
-    events "~1.1.0"
-    glob "^7.1.0"
-    has "^1.0.0"
-    htmlescape "^1.1.0"
-    https-browserify "^1.0.0"
-    inherits "~2.0.1"
-    insert-module-globals "^7.0.0"
-    labeled-stream-splicer "^2.0.0"
-    module-deps "^4.0.8"
-    os-browserify "~0.3.0"
-    parents "^1.0.1"
-    path-browserify "~0.0.0"
-    process "~0.11.0"
-    punycode "^1.3.2"
-    querystring-es3 "~0.2.0"
-    read-only-stream "^2.0.0"
-    readable-stream "^2.0.2"
-    resolve "^1.1.4"
-    shasum "^1.0.0"
-    shell-quote "^1.6.1"
-    stream-browserify "^2.0.0"
-    stream-http "^2.0.0"
-    string_decoder "~1.0.0"
-    subarg "^1.0.0"
-    syntax-error "^1.1.1"
-    through2 "^2.0.0"
-    timers-browserify "^1.0.1"
-    tty-browserify "~0.0.0"
-    url "~0.11.0"
-    util "~0.10.1"
-    vm-browserify "~0.0.1"
-    xtend "^4.0.0"
-
 browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6:
   version "1.7.7"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.7.7.tgz#0bd76704258be829b2398bb50e4b62d1a166b0b9"
@@ -1448,13 +1344,6 @@ buffer@^4.3.0:
     ieee754 "^1.1.4"
     isarray "^1.0.0"
 
-buffer@^5.0.2:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.1.0.tgz#c913e43678c7cb7c8bd16afbcddb6c5505e8f9fe"
-  dependencies:
-    base64-js "^1.0.2"
-    ieee754 "^1.1.4"
-
 buildmail@4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/buildmail/-/buildmail-4.0.1.tgz#877f7738b78729871c9a105e3b837d2be11a7a72"
@@ -1527,10 +1416,6 @@ cacheable-request@^2.1.1:
     normalize-url "2.0.1"
     responselike "1.0.2"
 
-cached-path-relative@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/cached-path-relative/-/cached-path-relative-1.0.1.tgz#d09c4b52800aa4c078e2dd81a869aac90d2e54e7"
-
 caller-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
@@ -1610,17 +1495,9 @@ chalk@1.1.3, chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.3.1:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.1.tgz#523fe2678aec7b04e8041909292fe8b17059b796"
-  dependencies:
-    ansi-styles "^3.2.0"
-    escape-string-regexp "^1.0.5"
-    supports-color "^5.2.0"
-
-chalk@^2.3.2:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.0.tgz#a060a297a6b57e15b61ca63ce84995daa0fe6e52"
+chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.3.1, chalk@^2.3.2, chalk@^2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
   dependencies:
     ansi-styles "^3.2.1"
     escape-string-regexp "^1.0.5"
@@ -1830,24 +1707,6 @@ combine-lists@^1.0.0:
   dependencies:
     lodash "^4.5.0"
 
-combine-source-map@~0.7.1:
-  version "0.7.2"
-  resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.7.2.tgz#0870312856b307a87cc4ac486f3a9a62aeccc09e"
-  dependencies:
-    convert-source-map "~1.1.0"
-    inline-source-map "~0.6.0"
-    lodash.memoize "~3.0.3"
-    source-map "~0.5.3"
-
-combine-source-map@~0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.8.0.tgz#a58d0df042c186fcf822a8e8015f5450d2d79a8b"
-  dependencies:
-    convert-source-map "~1.1.0"
-    inline-source-map "~0.6.0"
-    lodash.memoize "~3.0.3"
-    source-map "~0.5.3"
-
 combined-stream@1.0.6, combined-stream@^1.0.5, combined-stream@~1.0.5:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
@@ -1914,14 +1773,6 @@ concat-stream@^1.5.0, concat-stream@^1.5.2:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
-concat-stream@~1.5.0, concat-stream@~1.5.1:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.5.2.tgz#708978624d856af41a5a741defdd261da752c266"
-  dependencies:
-    inherits "~2.0.1"
-    readable-stream "~2.0.0"
-    typedarray "~0.0.5"
-
 configstore@^3.0.0:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/configstore/-/configstore-3.1.1.tgz#094ee662ab83fad9917678de114faaea8fcdca90"
@@ -1962,7 +1813,7 @@ consolidate@^0.14.0:
   dependencies:
     bluebird "^3.1.1"
 
-constants-browserify@^1.0.0, constants-browserify@~1.0.0:
+constants-browserify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/constants-browserify/-/constants-browserify-1.0.0.tgz#c20b96d8c617748aaf1c16021760cd27fcb8cb75"
 
@@ -1982,10 +1833,6 @@ convert-source-map@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.0.tgz#9acd70851c6d5dfdd93d9282e5edf94a03ff46b5"
 
-convert-source-map@~1.1.0:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.1.3.tgz#4829c877e9fe49b3161f3bf3673888e204699860"
-
 cookie-signature@1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
@@ -2105,7 +1952,7 @@ cryptiles@3.x.x:
   dependencies:
     boom "5.x.x"
 
-crypto-browserify@^3.0.0, crypto-browserify@^3.11.0:
+crypto-browserify@^3.11.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
   dependencies:
@@ -2511,15 +2358,6 @@ depd@1.1.1, depd@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.1.tgz#5783b4e1c459f06fa5ca27f991f3d06e7a310359"
 
-deps-sort@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/deps-sort/-/deps-sort-2.0.0.tgz#091724902e84658260eb910748cccd1af6e21fb5"
-  dependencies:
-    JSONStream "^1.0.3"
-    shasum "^1.0.0"
-    subarg "^1.0.0"
-    through2 "^2.0.0"
-
 des.js@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.0.tgz#c074d2e2aa6a8a9a07dbd61f9a15c2cd83ec8ecc"
@@ -2552,13 +2390,6 @@ detect-port-alt@1.1.5:
     address "^1.0.1"
     debug "^2.6.0"
 
-detective@^4.0.0:
-  version "4.7.1"
-  resolved "https://registry.yarnpkg.com/detective/-/detective-4.7.1.tgz#0eca7314338442febb6d65da54c10bb1c82b246e"
-  dependencies:
-    acorn "^5.2.1"
-    defined "^1.0.0"
-
 di@^0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/di/-/di-0.0.1.tgz#806649326ceaa7caa3306d75d985ea2748ba913c"
@@ -2633,7 +2464,7 @@ dom-serializer@0:
     domelementtype "~1.1.1"
     entities "~1.1.1"
 
-domain-browser@^1.1.1, domain-browser@~1.1.0:
+domain-browser@^1.1.1:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.1.7.tgz#867aa4b093faa05f1de08c06f4d7b21fdf8698bc"
 
@@ -2672,12 +2503,6 @@ dropzone@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/dropzone/-/dropzone-4.2.0.tgz#fbe7acbb9918e0706489072ef663effeef8a79f3"
 
-duplexer2@^0.1.2, duplexer2@~0.1.0, duplexer2@~0.1.2:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.1.4.tgz#8b12dab878c0d69e3e7891051662a32fc6bddcc1"
-  dependencies:
-    readable-stream "^2.0.2"
-
 duplexer3@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/duplexer3/-/duplexer3-0.1.4.tgz#ee01dd1cac0ed3cbc7fdbea37dc0a8f1ce002ce2"
@@ -2877,7 +2702,7 @@ es6-set@~0.1.5:
     es6-symbol "3.1.1"
     event-emitter "~0.3.5"
 
-es6-symbol@3, es6-symbol@3.1.1, es6-symbol@^3.1, es6-symbol@~3.1, es6-symbol@~3.1.1:
+es6-symbol@3, es6-symbol@3.1.1, es6-symbol@^3.1, es6-symbol@^3.1.1, es6-symbol@~3.1, es6-symbol@~3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.1.tgz#bf00ef4fdab6ba1b46ecb7b629b4c7ed5715cc77"
   dependencies:
@@ -3141,7 +2966,7 @@ eventemitter3@1.x.x:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
 
-events@^1.0.0, events@~1.1.0:
+events@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
 
@@ -3690,7 +3515,7 @@ glob@^5.0.15:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.0, glob@^7.1.1, glob@^7.1.2:
+glob@^7.0.0, 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:
@@ -3909,6 +3734,10 @@ has-symbol-support-x@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/has-symbol-support-x/-/has-symbol-support-x-1.3.0.tgz#588bd6927eaa0e296afae24160659167fc2be4f8"
 
+has-symbols@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
+
 has-to-string-tag-x@^1.2.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/has-to-string-tag-x/-/has-to-string-tag-x-1.3.0.tgz#78e3d98c3c0ec9413e970eb8d766249a1e13058f"
@@ -3946,7 +3775,7 @@ has-values@^1.0.0:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
-has@^1.0.0, has@^1.0.1:
+has@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
   dependencies:
@@ -4055,10 +3884,6 @@ html-entities@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/html-entities/-/html-entities-1.2.0.tgz#41948caf85ce82fed36e4e6a0ed371a6664379e2"
 
-htmlescape@^1.1.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/htmlescape/-/htmlescape-1.1.1.tgz#3a03edc2214bca3b66424a3e7959349509cb0351"
-
 htmlparser2@^3.8.2, htmlparser2@^3.9.0:
   version "3.9.2"
   resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-3.9.2.tgz#1bdf87acca0f3f9e53fa4fcceb0f4b4cbb00b338"
@@ -4142,10 +3967,6 @@ https-browserify@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-0.0.1.tgz#3f91365cabe60b77ed0ebba24b454e3e09d95a82"
 
-https-browserify@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
-
 https-proxy-agent@1:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-1.0.0.tgz#35f7da6c48ce4ddbfa264891ac593ee5ff8671e6"
@@ -4255,12 +4076,6 @@ ini@^1.3.4, ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
 
-inline-source-map@~0.6.0:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/inline-source-map/-/inline-source-map-0.6.2.tgz#f9393471c18a79d1724f863fa38b586370ade2a5"
-  dependencies:
-    source-map "~0.5.3"
-
 inquirer@3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-3.3.0.tgz#9dd2f2ad765dcab1ff0443b491442a20ba227dc9"
@@ -4298,19 +4113,6 @@ inquirer@^0.12.0:
     strip-ansi "^3.0.0"
     through "^2.3.6"
 
-insert-module-globals@^7.0.0:
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/insert-module-globals/-/insert-module-globals-7.0.1.tgz#c03bf4e01cb086d5b5e5ace8ad0afe7889d638c3"
-  dependencies:
-    JSONStream "^1.0.3"
-    combine-source-map "~0.7.1"
-    concat-stream "~1.5.1"
-    is-buffer "^1.1.0"
-    lexical-scope "^1.2.0"
-    process "~0.11.0"
-    through2 "^2.0.0"
-    xtend "^4.0.0"
-
 internal-ip@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-1.2.0.tgz#ae9fbf93b984878785d50a8de1b356956058cf5c"
@@ -4383,7 +4185,7 @@ is-binary-path@^1.0.0:
   dependencies:
     binary-extensions "^1.0.0"
 
-is-buffer@^1.1.0, is-buffer@^1.1.5:
+is-buffer@^1.1.5:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
 
@@ -4666,7 +4468,7 @@ is-wsl@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-1.1.0.tgz#1f16e4aa22b04d1336b66188a66af3c600c3a66d"
 
-isarray@0.0.1, isarray@~0.0.1:
+isarray@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
 
@@ -4720,13 +4522,29 @@ istanbul-lib-coverage@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.1.tgz#73bfb998885299415c93d38a3e9adf784a77a9da"
 
+istanbul-lib-coverage@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.2.0.tgz#f7d8f2e42b97e37fe796114cb0f9d68b5e3a4341"
+
 istanbul-lib-hook@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.1.0.tgz#8538d970372cb3716d53e55523dd54b557a8d89b"
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@^1.7.5, istanbul-lib-instrument@^1.9.1:
+istanbul-lib-instrument@^1.10.1:
+  version "1.10.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.10.1.tgz#724b4b6caceba8692d3f1f9d0727e279c401af7b"
+  dependencies:
+    babel-generator "^6.18.0"
+    babel-template "^6.16.0"
+    babel-traverse "^6.18.0"
+    babel-types "^6.18.0"
+    babylon "^6.18.0"
+    istanbul-lib-coverage "^1.2.0"
+    semver "^5.3.0"
+
+istanbul-lib-instrument@^1.9.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.9.1.tgz#250b30b3531e5d3251299fdd64b0b2c9db6b558e"
   dependencies:
@@ -4882,12 +4700,6 @@ json-stable-stringify@^1.0.0, json-stable-stringify@^1.0.1:
   dependencies:
     jsonify "~0.0.0"
 
-json-stable-stringify@~0.0.0:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-0.0.1.tgz#611c23e814db375527df851193db59dd2af27f45"
-  dependencies:
-    jsonify "~0.0.0"
-
 json-stringify-safe@5.0.x, json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
@@ -4904,10 +4716,6 @@ jsonify@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
 
-jsonparse@^1.2.0:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/jsonparse/-/jsonparse-1.3.1.tgz#3f4dae4a91fac315f71062f8521cc239f1366280"
-
 jsonpointer@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
@@ -4942,9 +4750,9 @@ karma-chrome-launcher@^2.2.0:
     fs-access "^1.0.0"
     which "^1.2.1"
 
-karma-coverage-istanbul-reporter@^1.4.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/karma-coverage-istanbul-reporter/-/karma-coverage-istanbul-reporter-1.4.1.tgz#2b42d145ddbb4868d85d52888c495a21c61d873c"
+karma-coverage-istanbul-reporter@^1.4.2:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/karma-coverage-istanbul-reporter/-/karma-coverage-istanbul-reporter-1.4.2.tgz#a8d0c8815c7d6f6cea15a394a7c4b39ef151a939"
   dependencies:
     istanbul-api "^1.1.14"
     minimatch "^3.0.4"
@@ -4967,23 +4775,23 @@ karma-sourcemap-loader@^0.3.7:
   dependencies:
     graceful-fs "^4.1.2"
 
-karma-webpack@2.0.7:
-  version "2.0.7"
-  resolved "https://registry.yarnpkg.com/karma-webpack/-/karma-webpack-2.0.7.tgz#dc3a492b478f10e8e3ccb9f58171b623f7070a1f"
+karma-webpack@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/karma-webpack/-/karma-webpack-3.0.0.tgz#bf009c5b73c667c11c015717e9e520f581317c44"
   dependencies:
-    async "~0.9.0"
-    loader-utils "^0.2.5"
-    lodash "^3.8.0"
+    async "^2.0.0"
+    babel-runtime "^6.0.0"
+    loader-utils "^1.0.0"
+    lodash "^4.0.0"
     source-map "^0.5.6"
-    webpack-dev-middleware "^1.12.0"
+    webpack-dev-middleware "^2.0.6"
 
-karma@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/karma/-/karma-2.0.0.tgz#a02698dd7f0f05ff5eb66ab8f65582490b512e58"
+karma@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/karma/-/karma-2.0.2.tgz#4d2db9402850a66551fa784b0164fb0824ed8c4b"
   dependencies:
     bluebird "^3.3.0"
     body-parser "^1.16.1"
-    browserify "^14.5.0"
     chokidar "^1.4.1"
     colors "^1.1.0"
     combine-lists "^1.0.0"
@@ -5008,7 +4816,7 @@ karma@^2.0.0:
     socket.io "2.0.4"
     source-map "^0.6.1"
     tmp "0.0.33"
-    useragent "^2.1.12"
+    useragent "2.2.1"
 
 katex@^0.8.3:
   version "0.8.3"
@@ -5046,14 +4854,6 @@ kind-of@^6.0.0, kind-of@^6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
 
-labeled-stream-splicer@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/labeled-stream-splicer/-/labeled-stream-splicer-2.0.0.tgz#a52e1d138024c00b86b1c0c91f677918b8ae0a59"
-  dependencies:
-    inherits "^2.0.1"
-    isarray "~0.0.1"
-    stream-splicer "^2.0.0"
-
 latest-version@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/latest-version/-/latest-version-3.1.0.tgz#a205383fea322b33b5ae3b18abee0dc2f356ee15"
@@ -5083,12 +4883,6 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-lexical-scope@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/lexical-scope/-/lexical-scope-1.2.0.tgz#fcea5edc704a4b3a8796cdca419c3a0afaf22df4"
-  dependencies:
-    astw "^2.0.0"
-
 libbase64@0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/libbase64/-/libbase64-0.1.0.tgz#62351a839563ac5ff5bd26f12f60e9830bb751e6"
@@ -5134,7 +4928,7 @@ 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@^0.2.15, loader-utils@^0.2.5:
+loader-utils@^0.2.15:
   version "0.2.16"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-0.2.16.tgz#f08632066ed8282835dff88dfb52704765adee6d"
   dependencies:
@@ -5234,10 +5028,6 @@ lodash.memoize@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
 
-lodash.memoize@~3.0.3:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-3.0.4.tgz#2dcbd2c287cbc0a55cc42328bd0c736150d53e3f"
-
 lodash.mergewith@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.0.tgz#150cf0a16791f5903b8891eab154609274bdea55"
@@ -5265,10 +5055,6 @@ lodash@4.17.4:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
-lodash@^3.8.0:
-  version "3.10.1"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
-
 lodash@^4.0.0, lodash@^4.11.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.5.0:
   version "4.17.5"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
@@ -5310,6 +5096,13 @@ loglevel@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/loglevel/-/loglevel-1.4.1.tgz#95b383f91a3c2756fd4ab093667e4309161f2bcd"
 
+loglevelnext@^1.0.1:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/loglevelnext/-/loglevelnext-1.0.5.tgz#36fc4f5996d6640f539ff203ba819641680d75a2"
+  dependencies:
+    es6-symbol "^3.1.1"
+    object.assign "^4.1.0"
+
 longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
@@ -5320,7 +5113,7 @@ loose-envify@^1.0.0:
   dependencies:
     js-tokens "^3.0.0"
 
-loud-rejection@^1.0.0:
+loud-rejection@^1.0.0, loud-rejection@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
   dependencies:
@@ -5331,7 +5124,11 @@ lowercase-keys@1.0.0, lowercase-keys@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.0.tgz#4e3366b39e7f5457e35f1324bdf6f88d0bfc7306"
 
-lru-cache@4.1.x, lru-cache@^4.0.1, lru-cache@^4.1.1:
+lru-cache@2.2.x:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.2.4.tgz#6c658619becf14031d0d0b594b16042ce4dc063d"
+
+lru-cache@^4.0.1, lru-cache@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.1.tgz#622e32e82488b49279114a4f9ecf45e7cd6bba55"
   dependencies:
@@ -5490,6 +5287,24 @@ micromatch@^3.1.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
+micromatch@^3.1.8:
+  version "3.1.10"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    braces "^2.3.1"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    extglob "^2.0.4"
+    fragment-cache "^0.2.1"
+    kind-of "^6.0.2"
+    nanomatch "^1.2.9"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.2"
+
 miller-rabin@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/miller-rabin/-/miller-rabin-4.0.1.tgz#f080351c865b0dc562a8462966daa53543c78a4d"
@@ -5515,6 +5330,10 @@ mime@^1.3.4, mime@^1.4.1, mime@^1.5.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
 
+mime@^2.1.0:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-2.3.1.tgz#b1621c54d63b97c47d3cfe7f7215f7d64517c369"
+
 mimic-fn@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.1.0.tgz#e667783d92e89dbd342818b5230b9d62a672ad18"
@@ -5547,7 +5366,7 @@ minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0:
+minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
@@ -5583,26 +5402,6 @@ mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkd
   dependencies:
     minimist "0.0.8"
 
-module-deps@^4.0.8:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/module-deps/-/module-deps-4.1.1.tgz#23215833f1da13fd606ccb8087b44852dcb821fd"
-  dependencies:
-    JSONStream "^1.0.3"
-    browser-resolve "^1.7.0"
-    cached-path-relative "^1.0.0"
-    concat-stream "~1.5.0"
-    defined "^1.0.0"
-    detective "^4.0.0"
-    duplexer2 "^0.1.2"
-    inherits "^2.0.1"
-    parents "^1.0.0"
-    readable-stream "^2.0.2"
-    resolve "^1.1.3"
-    stream-combiner2 "^1.1.1"
-    subarg "^1.0.0"
-    through2 "^2.0.0"
-    xtend "^4.0.0"
-
 moment@2.x, moment@^2.18.1:
   version "2.19.2"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.19.2.tgz#8a7f774c95a64550b4c7ebd496683908f9419dbe"
@@ -5935,7 +5734,7 @@ object-copy@^0.1.0:
     define-property "^0.2.5"
     kind-of "^3.0.3"
 
-object-keys@^1.0.8:
+object-keys@^1.0.11, object-keys@^1.0.8:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.11.tgz#c54601778ad560f1142ce0e01bcca8b56d13426d"
 
@@ -5945,6 +5744,15 @@ object-visit@^1.0.0:
   dependencies:
     isobject "^3.0.0"
 
+object.assign@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.0.tgz#968bf1100d7956bb3ca086f006f846b3bc4008da"
+  dependencies:
+    define-properties "^1.1.2"
+    function-bind "^1.1.1"
+    has-symbols "^1.0.0"
+    object-keys "^1.0.11"
+
 object.omit@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
@@ -6026,10 +5834,6 @@ os-browserify@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/os-browserify/-/os-browserify-0.2.1.tgz#63fc4ccee5d2d7763d26bbf8601078e6c2e0044f"
 
-os-browserify@~0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/os-browserify/-/os-browserify-0.3.0.tgz#854373c7f5c2315914fc9bfc6bd8238fdda1ec27"
-
 os-homedir@^1.0.0, os-homedir@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
@@ -6134,7 +5938,7 @@ pako@~0.2.0:
   version "0.2.9"
   resolved "https://registry.yarnpkg.com/pako/-/pako-0.2.9.tgz#f3f7522f4ef782348da8161bad9ecfd51bf83a75"
 
-pako@~1.0.2, pako@~1.0.5:
+pako@~1.0.2:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.6.tgz#0101211baa70c4bca4a0f63f2206e97b7dfaf258"
 
@@ -6146,12 +5950,6 @@ parallel-transform@^1.1.0:
     inherits "^2.0.3"
     readable-stream "^2.1.5"
 
-parents@^1.0.0, parents@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/parents/-/parents-1.0.1.tgz#fedd4d2bf193a77745fe71e371d73c3307d9c751"
-  dependencies:
-    path-platform "~0.11.15"
-
 parse-asn1@^5.0.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.0.tgz#37c4f9b7ed3ab65c74817b5f2480937fbf97c712"
@@ -6201,7 +5999,7 @@ pascalcase@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
 
-path-browserify@0.0.0, path-browserify@~0.0.0:
+path-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.0.tgz#a0b870729aae214005b7d5032ec2cbbb0fb4451a"
 
@@ -6235,10 +6033,6 @@ path-parse@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
 
-path-platform@~0.11.15:
-  version "0.11.15"
-  resolved "https://registry.yarnpkg.com/path-platform/-/path-platform-0.11.15.tgz#e864217f74c36850f0852b78dc7bf7d4a5721bf2"
-
 path-proxy@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/path-proxy/-/path-proxy-1.0.0.tgz#18e8a36859fc9d2f1a53b48dee138543c020de5e"
@@ -6751,7 +6545,7 @@ punycode@1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
 
-punycode@1.4.1, punycode@^1.2.4, punycode@^1.3.2, punycode@^1.4.1:
+punycode@1.4.1, punycode@^1.2.4, punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
@@ -6794,7 +6588,7 @@ query-string@^5.0.1:
     object-assign "^4.1.0"
     strict-uri-encode "^1.0.0"
 
-querystring-es3@^0.2.0, querystring-es3@~0.2.0:
+querystring-es3@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"
 
@@ -6893,12 +6687,6 @@ react-error-overlay@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-4.0.0.tgz#d198408a85b4070937a98667f500c832f86bd5d4"
 
-read-only-stream@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/read-only-stream/-/read-only-stream-2.0.0.tgz#2724fd6a8113d73764ac288d4386270c1dbf17f0"
-  dependencies:
-    readable-stream "^2.0.2"
-
 read-pkg-up@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
@@ -6950,7 +6738,7 @@ readable-stream@1.1.x, "readable-stream@1.x >=1.1.9":
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@~2.0.0, readable-stream@~2.0.5, readable-stream@~2.0.6:
+readable-stream@~2.0.5, readable-stream@~2.0.6:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
   dependencies:
@@ -7049,7 +6837,7 @@ regex-cache@^0.4.2:
   dependencies:
     is-equal-shallow "^0.1.3"
 
-regex-not@^1.0.0:
+regex-not@^1.0.0, regex-not@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
   dependencies:
@@ -7258,11 +7046,11 @@ resolve-url@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
 
-resolve@1.1.7, resolve@1.1.x:
+resolve@1.1.x:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
 
-resolve@^1.1.3, resolve@^1.1.4, resolve@^1.1.6, resolve@^1.2.0:
+resolve@^1.1.6, resolve@^1.2.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.5.0.tgz#1f09acce796c9a762579f31b2c1cc4c3cddf9f36"
   dependencies:
@@ -7507,20 +7295,13 @@ setprototypeof@1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.0.tgz#d0bd85536887b6fe7c0d818cb962d9d91c54e656"
 
-sha.js@^2.4.0, sha.js@^2.4.8, sha.js@~2.4.4:
+sha.js@^2.4.0, sha.js@^2.4.8:
   version "2.4.10"
   resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.10.tgz#b1fde5cd7d11a5626638a07c604ab909cfa31f9b"
   dependencies:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
-shasum@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/shasum/-/shasum-1.0.2.tgz#e7012310d8f417f4deb5712150e5678b87ae565f"
-  dependencies:
-    json-stable-stringify "~0.0.0"
-    sha.js "~2.4.4"
-
 shebang-command@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
@@ -7531,7 +7312,7 @@ shebang-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
-shell-quote@1.6.1, shell-quote@^1.6.1:
+shell-quote@1.6.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.6.1.tgz#f4781949cce402697127430ea3b3c5476f481767"
   dependencies:
@@ -7860,20 +7641,13 @@ statuses@~1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
 
-stream-browserify@^2.0.0, stream-browserify@^2.0.1:
+stream-browserify@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
   dependencies:
     inherits "~2.0.1"
     readable-stream "^2.0.2"
 
-stream-combiner2@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/stream-combiner2/-/stream-combiner2-1.1.1.tgz#fb4d8a1420ea362764e21ad4780397bebcb41cbe"
-  dependencies:
-    duplexer2 "~0.1.0"
-    readable-stream "^2.0.2"
-
 stream-combiner@~0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/stream-combiner/-/stream-combiner-0.0.4.tgz#4d5e433c185261dde623ca3f44c586bcf5c4ad14"
@@ -7887,7 +7661,7 @@ stream-each@^1.1.0:
     end-of-stream "^1.1.0"
     stream-shift "^1.0.0"
 
-stream-http@^2.0.0, stream-http@^2.3.1:
+stream-http@^2.3.1:
   version "2.8.0"
   resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.8.0.tgz#fd86546dac9b1c91aff8fc5d287b98fafb41bc10"
   dependencies:
@@ -7901,13 +7675,6 @@ stream-shift@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.0.tgz#d5c752825e5367e786f78e18e445ea223a155952"
 
-stream-splicer@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/stream-splicer/-/stream-splicer-2.0.0.tgz#1b63be438a133e4b671cc1935197600175910d83"
-  dependencies:
-    inherits "^2.0.1"
-    readable-stream "^2.0.2"
-
 streamroller@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/streamroller/-/streamroller-0.7.0.tgz#a1d1b7cf83d39afb0d63049a5acbf93493bdf64b"
@@ -7940,7 +7707,7 @@ string_decoder@^0.10.25, string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
 
-string_decoder@~1.0.0, string_decoder@~1.0.3:
+string_decoder@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
   dependencies:
@@ -7993,12 +7760,6 @@ style-loader@^0.20.2:
     loader-utils "^1.1.0"
     schema-utils "^0.4.3"
 
-subarg@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/subarg/-/subarg-1.0.0.tgz#f62cf17581e996b48fc965699f54c06ae268b8d2"
-  dependencies:
-    minimist "^1.1.0"
-
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
@@ -8043,12 +7804,6 @@ svgo@^0.7.0:
     sax "~1.2.1"
     whet.extend "~0.9.9"
 
-syntax-error@^1.1.1:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/syntax-error/-/syntax-error-1.4.0.tgz#2d9d4ff5c064acb711594a3e3b95054ad51d907c"
-  dependencies:
-    acorn-node "^1.2.0"
-
 table@^3.7.8:
   version "3.8.3"
   resolved "https://registry.yarnpkg.com/table/-/table-3.8.3.tgz#2bbc542f0fda9861a755d3947fefd8b3f513855f"
@@ -8095,12 +7850,12 @@ term-size@^1.2.0:
   dependencies:
     execa "^0.7.0"
 
-test-exclude@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.1.1.tgz#4d84964b0966b0087ecc334a2ce002d3d9341e26"
+test-exclude@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.2.1.tgz#dfa222f03480bca69207ca728b37d74b45f724fa"
   dependencies:
     arrify "^1.0.1"
-    micromatch "^2.3.11"
+    micromatch "^3.1.8"
     object-assign "^4.1.0"
     read-pkg-up "^1.0.1"
     require-main-filename "^1.0.1"
@@ -8128,7 +7883,7 @@ through2@^2.0.0:
     readable-stream "^2.1.5"
     xtend "~4.0.1"
 
-through@2, "through@>=2.2.7 <3", through@^2.3.6, through@~2.3, through@~2.3.1:
+through@2, through@^2.3.6, through@~2.3, through@~2.3.1:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
@@ -8154,7 +7909,7 @@ 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"
 
-timers-browserify@^1.0.1, timers-browserify@^1.4.2:
+timers-browserify@^1.4.2:
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-1.4.2.tgz#c9c58b575be8407375cb5e2462dacee74359f41d"
   dependencies:
@@ -8217,6 +7972,15 @@ to-regex@^3.0.1:
     extend-shallow "^2.0.1"
     regex-not "^1.0.0"
 
+to-regex@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/to-regex/-/to-regex-3.0.2.tgz#13cfdd9b336552f30b51f33a8ae1b42a7a7599ce"
+  dependencies:
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    regex-not "^1.0.2"
+    safe-regex "^1.1.0"
+
 touch@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/touch/-/touch-3.1.0.tgz#fe365f5f75ec9ed4e56825e0bb76d24ab74af83b"
@@ -8257,10 +8021,6 @@ tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"
 
-tty-browserify@~0.0.0:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.1.tgz#3f05251ee17904dfd0677546670db9651682b811"
-
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
@@ -8288,7 +8048,7 @@ type-is@~1.6.15:
     media-typer "0.3.0"
     mime-types "~2.1.18"
 
-typedarray@^0.0.6, typedarray@~0.0.5:
+typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
@@ -8321,10 +8081,6 @@ ultron@~1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.1.1.tgz#9fe1536a10a664a65266a1e3ccf85fd36302bc9c"
 
-umd@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/umd/-/umd-3.0.1.tgz#8ae556e11011f63c2596708a8837259f01b3d60e"
-
 unc-path-regex@^0.1.0:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/unc-path-regex/-/unc-path-regex-0.1.2.tgz#e73dd3d7b0d7c5ed86fbac6b0ae7d8c6a69d50fa"
@@ -8426,6 +8182,10 @@ urix@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
 
+url-join@^2.0.2:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/url-join/-/url-join-2.0.5.tgz#5af22f18c052a000a48d7b82c5e9c2e2feeda728"
+
 url-loader@^0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/url-loader/-/url-loader-0.6.2.tgz#a007a7109620e9d988d14bce677a1decb9a993f7"
@@ -8464,7 +8224,7 @@ url-to-options@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/url-to-options/-/url-to-options-1.0.1.tgz#1505a03a289a48cbd7a434efbaeec5055f5633a9"
 
-url@^0.11.0, url@~0.11.0:
+url@^0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/url/-/url-0.11.0.tgz#3838e97cfc60521eb73c525a8e55bfdd9e2e28f1"
   dependencies:
@@ -8485,18 +8245,18 @@ user-home@^2.0.0:
   dependencies:
     os-homedir "^1.0.0"
 
-useragent@^2.1.12:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/useragent/-/useragent-2.3.0.tgz#217f943ad540cb2128658ab23fc960f6a88c9972"
+useragent@2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/useragent/-/useragent-2.2.1.tgz#cf593ef4f2d175875e8bb658ea92e18a4fd06d8e"
   dependencies:
-    lru-cache "4.1.x"
+    lru-cache "2.2.x"
     tmp "0.0.x"
 
 util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
-util@0.10.3, util@^0.10.3, util@~0.10.1:
+util@0.10.3, util@^0.10.3:
   version "0.10.3"
   resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"
   dependencies:
@@ -8545,7 +8305,7 @@ visibilityjs@^1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/visibilityjs/-/visibilityjs-1.2.4.tgz#bff8663da62c8c10ad4ee5ae6a1ae6fac4259d63"
 
-vm-browserify@0.0.4, vm-browserify@~0.0.1:
+vm-browserify@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-0.0.4.tgz#5d7ea45bbef9e4a6ff65f95438e0a87c357d5a73"
   dependencies:
@@ -8659,7 +8419,7 @@ webpack-bundle-analyzer@^2.10.0:
     opener "^1.4.3"
     ws "^4.0.0"
 
-webpack-dev-middleware@1.12.2, webpack-dev-middleware@^1.12.0:
+webpack-dev-middleware@1.12.2:
   version "1.12.2"
   resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-1.12.2.tgz#f8fc1120ce3b4fc5680ceecb43d777966b21105e"
   dependencies:
@@ -8669,6 +8429,18 @@ webpack-dev-middleware@1.12.2, webpack-dev-middleware@^1.12.0:
     range-parser "^1.0.3"
     time-stamp "^2.0.0"
 
+webpack-dev-middleware@^2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-2.0.6.tgz#a51692801e8310844ef3e3790e1eacfe52326fd4"
+  dependencies:
+    loud-rejection "^1.6.0"
+    memory-fs "~0.4.1"
+    mime "^2.1.0"
+    path-is-absolute "^1.0.0"
+    range-parser "^1.0.3"
+    url-join "^2.0.2"
+    webpack-log "^1.0.1"
+
 webpack-dev-server@^2.11.2:
   version "2.11.2"
   resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.11.2.tgz#1f4f4c78bf1895378f376815910812daf79a216f"
@@ -8701,6 +8473,15 @@ webpack-dev-server@^2.11.2:
     webpack-dev-middleware "1.12.2"
     yargs "6.6.0"
 
+webpack-log@^1.0.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/webpack-log/-/webpack-log-1.2.0.tgz#a4b34cda6b22b518dbb0ab32e567962d5c72a43d"
+  dependencies:
+    chalk "^2.1.0"
+    log-symbols "^2.1.0"
+    loglevelnext "^1.0.1"
+    uuid "^3.1.0"
+
 webpack-sources@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.0.1.tgz#c7356436a4d13123be2e2426a05d1dad9cbe65cf"
@@ -8859,7 +8640,7 @@ xregexp@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/xregexp/-/xregexp-2.0.0.tgz#52a63e56ca0b84a7f3a5f3d61872f126ad7a5943"
 
-xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
+xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"