diff --git a/.eslintrc.yml b/.eslintrc.yml
new file mode 100644
index 000000000..acf33ef17
--- /dev/null
+++ b/.eslintrc.yml
@@ -0,0 +1,88 @@
+env:
+  browser: true
+  es6: true
+extends: 'eslint:recommended'
+parserOptions:
+  sourceType: module
+globals:
+  $: false
+  require: false
+rules:
+  # https://eslint.org/docs/rules/
+  array-callback-return: error
+  block-scoped-var: error
+  consistent-return: error
+  default-case: error
+  dot-notation: error
+  eqeqeq: error
+  init-declarations: error
+  no-caller: error
+  no-empty-function: error
+  no-eval: error
+  no-extend-native: error
+  no-implicit-coercion: error
+  no-lone-blocks: error
+  no-lonely-if: error
+  no-mixed-operators: error
+  no-new: error
+  no-new-wrappers: error
+  no-return-assign: error
+  no-self-compare: error
+  no-sequences: error
+  no-shadow: error
+  no-shadow-restricted-names: error
+  no-unused-expressions: error
+  no-unused-vars:
+    - error
+    - argsIgnorePattern: "^_"
+      args: none
+  no-use-before-define: error
+  no-useless-call: error
+  no-useless-concat: error
+  no-useless-return: error
+
+  # formatting issues
+  array-bracket-spacing: warn
+  brace-style: [warn, 1tbs, allowSingleLine: true]
+  comma-spacing: warn
+  curly: warn
+  dot-location: [warn, property]
+  eol-last: warn
+  func-call-spacing: warn
+  indent: [warn, 2]
+  linebreak-style: [warn, unix]
+  key-spacing: warn
+  keyword-spacing: warn
+  no-multiple-empty-lines: warn
+  no-tabs: warn
+  no-trailing-spaces: warn
+  no-whitespace-before-property: warn
+  space-before-blocks: warn
+  space-in-parens: warn
+  space-infix-ops: warn
+  space-unary-ops: warn
+  spaced-comment: warn
+
+# These rules are potentially useful, but are currently too noisy to enable.
+
+#  block-spacing: warn
+#  no-alert: warn
+#  no-extra-parens: warn
+#  no-magic-numbers:
+#    - warn
+#    - ignore: [-1, 0, 1]
+#      ignoreArrayIndexes: true
+#      enforceConst: true
+#  no-multi-spaces: warn
+#  no-negated-condition: warn
+#  no-param-reassign: warn
+#  no-var: warn
+#  object-curly-spacing: warn
+#  prefer-arrow-callback: warn
+#  prefer-const: warn
+#  prefer-template: warn
+#  quote-props: [warn, consistent-as-needed]
+#  radix: warn
+#  semi: warn
+#  space-before-function-paren: warn
+#  vars-on-top: warn
diff --git a/config/webpack/development.js b/config/webpack/development.js
index c5edff94a..41b16a460 100644
--- a/config/webpack/development.js
+++ b/config/webpack/development.js
@@ -1,5 +1,8 @@
 process.env.NODE_ENV = process.env.NODE_ENV || 'development'
 
 const environment = require('./environment')
+const eslint = require('./loaders/eslint')
+
+environment.loaders.append('eslint', eslint);
 
 module.exports = environment.toWebpackConfig()
diff --git a/config/webpack/loaders/eslint.js b/config/webpack/loaders/eslint.js
new file mode 100644
index 000000000..7e6fb412d
--- /dev/null
+++ b/config/webpack/loaders/eslint.js
@@ -0,0 +1,10 @@
+module.exports = {
+  enforce: 'pre',
+  test: /\.(js)$/i,
+  exclude: /node_modules|vendor/,
+  loader: 'eslint-loader',
+  options: {
+    cache: true,
+    emitWarning: true,
+  }
+}
diff --git a/package.json b/package.json
index 88d91a9e3..4643ea0e6 100644
--- a/package.json
+++ b/package.json
@@ -1,4 +1,5 @@
 {
+  "license": "MIT",
   "dependencies": {
     "@rails/webpacker": "^3.5.3",
     "debug-loader": "^0.0.1",
@@ -12,6 +13,12 @@
     "webpack-cli": "^3.0.8"
   },
   "devDependencies": {
+    "eslint": "^5.3.0",
+    "eslint-loader": "^2.1.0",
+    "eslint-plugin-ignore-erb": "^0.1.1",
     "webpack-dev-server": "^2.11.1"
+  },
+  "scripts": {
+    "lint": "yarn run eslint --plugin eslint-plugin-ignore-erb --ext .js,.js.erb app/javascript/src/javascripts"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 422a81b1a..510610837 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -48,15 +48,21 @@ acorn-dynamic-import@^2.0.0:
   dependencies:
     acorn "^4.0.3"
 
+acorn-jsx@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-4.1.1.tgz#e8e41e48ea2fe0c896740610ab6a4ffd8add225e"
+  dependencies:
+    acorn "^5.0.3"
+
 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, acorn@^5.0.3, acorn@^5.6.0:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.1.tgz#f095829297706a7c9776958c0afc8930a9b9d9d8"
 
-ajv-keywords@^3.1.0:
+ajv-keywords@^3.0.0, ajv-keywords@^3.1.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.2.0.tgz#e86b819c602cf8821ad637413698f1dec021847a"
 
@@ -76,7 +82,7 @@ ajv@^5.0.0, ajv@^5.1.0:
     fast-json-stable-stringify "^2.0.0"
     json-schema-traverse "^0.3.0"
 
-ajv@^6.1.0:
+ajv@^6.0.1, ajv@^6.1.0, ajv@^6.5.0:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.5.2.tgz#678495f9b82f7cca6be248dd92f59bff5e1f4360"
   dependencies:
@@ -206,6 +212,10 @@ array-unique@^0.3.2:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.3.2.tgz#a894b75d4bc4f6cd679ef3244a9fd8f46ae2d428"
 
+arrify@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
+
 asn1.js@^4.0.0:
   version "4.10.1"
   resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.10.1.tgz#b9c2bf5805f1e64aadeed6df3a2bfafb5a73f5a0"
@@ -1061,6 +1071,16 @@ cache-base@^1.0.1:
     union-value "^1.0.0"
     unset-value "^1.0.0"
 
+caller-path@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
+  dependencies:
+    callsites "^0.2.0"
+
+callsites@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
+
 camelcase-keys@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-2.1.0.tgz#308beeaffdf28119051efa1d932213c91b8f92e7"
@@ -1135,7 +1155,7 @@ 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@^2.4.1:
+chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
   dependencies:
@@ -1143,6 +1163,10 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.4.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
+chardet@^0.4.0:
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
+
 chardet@^0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.5.0.tgz#fe3ac73c00c3d865ffcc02a0682e2c20b6a06029"
@@ -1177,6 +1201,10 @@ cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
+circular-json@^0.3.1:
+  version "0.3.3"
+  resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.3.tgz#815c99ea84f6809529d2f45791bdf82711352d66"
+
 clap@^1.0.9:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/clap/-/clap-1.2.3.tgz#4f36745b32008492557f46412d66d50cb99bce51"
@@ -1680,6 +1708,10 @@ deep-extend@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
 
+deep-is@~0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
+
 define-properties@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.2.tgz#83a73f2fea569898fb737193c8f873caf6d45c94"
@@ -1710,6 +1742,18 @@ defined@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
 
+del@^2.0.2:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/del/-/del-2.2.2.tgz#c12c981d067846c84bcaf862cff930d907ffd1a8"
+  dependencies:
+    globby "^5.0.0"
+    is-path-cwd "^1.0.0"
+    is-path-in-cwd "^1.0.0"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    rimraf "^2.2.8"
+
 del@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/del/-/del-3.0.0.tgz#53ecf699ffcbcb39637691ab13baf160819766e5"
@@ -1787,6 +1831,12 @@ dns-txt@^2.0.2:
   dependencies:
     buffer-indexof "^1.0.0"
 
+doctrine@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.1.0.tgz#5cd01fc101621b42c4cd7f5d1a66243716d3f39d"
+  dependencies:
+    esutils "^2.0.2"
+
 domain-browser@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.2.0.tgz#3d31f50191a6749dd1375a7f522e823d42e54eda"
@@ -1869,7 +1919,7 @@ error-ex@^1.2.0:
   dependencies:
     is-arrayish "^0.2.1"
 
-es-abstract@^1.7.0:
+es-abstract@^1.10.0, es-abstract@^1.7.0:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.12.0.tgz#9dbbdd27c6856f0001421ca18782d786bf8a6165"
   dependencies:
@@ -1957,6 +2007,88 @@ escope@^3.6.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
+eslint-loader@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-loader/-/eslint-loader-2.1.0.tgz#61334c548aeb0b8e20ec3a552fb7a88c47261c6a"
+  dependencies:
+    loader-fs-cache "^1.0.0"
+    loader-utils "^1.0.2"
+    object-assign "^4.0.1"
+    object-hash "^1.1.4"
+    rimraf "^2.6.1"
+
+eslint-plugin-ignore-erb@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-ignore-erb/-/eslint-plugin-ignore-erb-0.1.1.tgz#951497d935c7d8a713a67f6bbbaa92e29bf0826d"
+  dependencies:
+    requireindex "~1.1.0"
+
+eslint-scope@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-4.0.0.tgz#50bf3071e9338bcdc43331794a0cb533f0136172"
+  dependencies:
+    esrecurse "^4.1.0"
+    estraverse "^4.1.1"
+
+eslint-utils@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-1.3.1.tgz#9a851ba89ee7c460346f97cf8939c7298827e512"
+
+eslint-visitor-keys@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
+
+eslint@^5.3.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-5.3.0.tgz#53695aca5213968aacdf970ccb231e42a2b285f8"
+  dependencies:
+    ajv "^6.5.0"
+    babel-code-frame "^6.26.0"
+    chalk "^2.1.0"
+    cross-spawn "^6.0.5"
+    debug "^3.1.0"
+    doctrine "^2.1.0"
+    eslint-scope "^4.0.0"
+    eslint-utils "^1.3.1"
+    eslint-visitor-keys "^1.0.0"
+    espree "^4.0.0"
+    esquery "^1.0.1"
+    esutils "^2.0.2"
+    file-entry-cache "^2.0.0"
+    functional-red-black-tree "^1.0.1"
+    glob "^7.1.2"
+    globals "^11.7.0"
+    ignore "^4.0.2"
+    imurmurhash "^0.1.4"
+    inquirer "^5.2.0"
+    is-resolvable "^1.1.0"
+    js-yaml "^3.11.0"
+    json-stable-stringify-without-jsonify "^1.0.1"
+    levn "^0.3.0"
+    lodash "^4.17.5"
+    minimatch "^3.0.4"
+    mkdirp "^0.5.1"
+    natural-compare "^1.4.0"
+    optionator "^0.8.2"
+    path-is-inside "^1.0.2"
+    pluralize "^7.0.0"
+    progress "^2.0.0"
+    regexpp "^2.0.0"
+    require-uncached "^1.0.3"
+    semver "^5.5.0"
+    string.prototype.matchall "^2.0.0"
+    strip-ansi "^4.0.0"
+    strip-json-comments "^2.0.1"
+    table "^4.0.3"
+    text-table "^0.2.0"
+
+espree@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-4.0.0.tgz#253998f20a0f82db5d866385799d912a83a36634"
+  dependencies:
+    acorn "^5.6.0"
+    acorn-jsx "^4.1.1"
+
 esprima@^2.6.0:
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
@@ -1965,13 +2097,19 @@ esprima@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.0.tgz#4499eddcd1110e0b218bacf2fa7f7f59f55ca804"
 
+esquery@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.1.tgz#406c51658b1f5991a5f9b62b1dc25b00e3e5c708"
+  dependencies:
+    estraverse "^4.0.0"
+
 esrecurse@^4.1.0:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.2.1.tgz#007a3b9fdbc2b3bb87e4879ea19c92fdbd3942cf"
   dependencies:
     estraverse "^4.1.0"
 
-estraverse@^4.1.0, estraverse@^4.1.1:
+estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
 
@@ -2107,6 +2245,14 @@ extend@~3.0.0, extend@~3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
 
+external-editor@^2.1.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-2.2.0.tgz#045511cfd8d133f3846673d1047c154e214ad3d5"
+  dependencies:
+    chardet "^0.4.0"
+    iconv-lite "^0.4.17"
+    tmp "^0.0.33"
+
 external-editor@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-3.0.0.tgz#dc35c48c6f98a30ca27a20e9687d7f3c77704bb6"
@@ -2163,6 +2309,10 @@ fast-json-stable-stringify@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
 
+fast-levenshtein@~2.0.4:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
+
 fastparse@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/fastparse/-/fastparse-1.1.1.tgz#d1e2643b38a94d7583b479060e6c4affc94071f8"
@@ -2185,6 +2335,13 @@ figures@^2.0.0:
   dependencies:
     escape-string-regexp "^1.0.5"
 
+file-entry-cache@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-2.0.0.tgz#c392990c3e684783d838b8c84a45d8a048458361"
+  dependencies:
+    flat-cache "^1.2.1"
+    object-assign "^4.0.1"
+
 file-loader@^1.1.11:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/file-loader/-/file-loader-1.1.11.tgz#6fe886449b0f2a936e43cabaac0cdbfb369506f8"
@@ -2227,6 +2384,14 @@ finalhandler@1.1.1:
     statuses "~1.4.0"
     unpipe "~1.0.0"
 
+find-cache-dir@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
+  dependencies:
+    commondir "^1.0.1"
+    mkdirp "^0.5.1"
+    pkg-dir "^1.0.0"
+
 find-cache-dir@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-1.0.0.tgz#9288e3e9e3cc3748717d39eade17cf71fc30ee6f"
@@ -2248,6 +2413,15 @@ find-up@^2.0.0, find-up@^2.1.0:
   dependencies:
     locate-path "^2.0.0"
 
+flat-cache@^1.2.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.3.0.tgz#d3030b32b38154f4e3b7e9c709f490f7ef97c481"
+  dependencies:
+    circular-json "^0.3.1"
+    del "^2.0.2"
+    graceful-fs "^4.1.2"
+    write "^0.2.1"
+
 flatten@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/flatten/-/flatten-1.0.2.tgz#dae46a9d78fbe25292258cc1e780a41d95c03782"
@@ -2379,6 +2553,10 @@ function-bind@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
 
+functional-red-black-tree@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
+
 gauge@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
@@ -2465,10 +2643,25 @@ global-modules-path@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/global-modules-path/-/global-modules-path-2.1.0.tgz#923ec524e8726bb0c1a4ed4b8e21e1ff80c88bbb"
 
+globals@^11.7.0:
+  version "11.7.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-11.7.0.tgz#a583faa43055b1aca771914bf68258e2fc125673"
+
 globals@^9.18.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
 
+globby@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-5.0.0.tgz#ebd84667ca0dbb330b99bcfc68eac2bc54370e0d"
+  dependencies:
+    array-union "^1.0.1"
+    arrify "^1.0.0"
+    glob "^7.0.3"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 globby@^6.1.0:
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/globby/-/globby-6.1.0.tgz#f5a6d70e8395e21c858fb0489d64df02424d506c"
@@ -2539,6 +2732,10 @@ has-flag@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
 
+has-symbols@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
+
 has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
@@ -2706,7 +2903,7 @@ iconv-lite@0.4.19:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
 
-iconv-lite@^0.4.22, iconv-lite@^0.4.4:
+iconv-lite@^0.4.17, iconv-lite@^0.4.22, iconv-lite@^0.4.4:
   version "0.4.23"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.23.tgz#297871f63be507adcfbfca715d0cd0eed84e9a63"
   dependencies:
@@ -2736,6 +2933,10 @@ ignore-walk@^3.0.1:
   dependencies:
     minimatch "^3.0.4"
 
+ignore@^4.0.2:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-4.0.3.tgz#e2d58c9654d75b542529fa28d80ac95b29e4f467"
+
 imagesloaded@>=3.0.0:
   version "4.1.4"
   resolved "https://registry.yarnpkg.com/imagesloaded/-/imagesloaded-4.1.4.tgz#1376efcd162bb768c34c3727ac89cc04051f3cc7"
@@ -2790,6 +2991,24 @@ ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
 
+inquirer@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-5.2.0.tgz#db350c2b73daca77ff1243962e9f22f099685726"
+  dependencies:
+    ansi-escapes "^3.0.0"
+    chalk "^2.0.0"
+    cli-cursor "^2.1.0"
+    cli-width "^2.0.0"
+    external-editor "^2.1.0"
+    figures "^2.0.0"
+    lodash "^4.3.0"
+    mute-stream "0.0.7"
+    run-async "^2.2.0"
+    rxjs "^5.5.2"
+    string-width "^2.1.0"
+    strip-ansi "^4.0.0"
+    through "^2.3.6"
+
 inquirer@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.0.0.tgz#e8c20303ddc15bbfc2c12a6213710ccd9e1413d8"
@@ -3038,6 +3257,10 @@ is-regex@^1.0.4:
   dependencies:
     has "^1.0.1"
 
+is-resolvable@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.1.0.tgz#fb18f87ce1feb925169c9a407c19318a3206ed88"
+
 is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
@@ -3158,6 +3381,10 @@ json-schema@0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
 
+json-stable-stringify-without-jsonify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
+
 json-stable-stringify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
@@ -3235,6 +3462,13 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
+levn@^0.3.0, levn@~0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
+  dependencies:
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+
 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"
@@ -3254,6 +3488,13 @@ load-json-file@^2.0.0:
     pify "^2.0.0"
     strip-bom "^3.0.0"
 
+loader-fs-cache@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/loader-fs-cache/-/loader-fs-cache-1.0.1.tgz#56e0bf08bd9708b26a765b68509840c8dec9fdbc"
+  dependencies:
+    find-cache-dir "^0.1.1"
+    mkdirp "0.5.1"
+
 loader-runner@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
@@ -3335,7 +3576,7 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.3.0, lodash@~4.17.10:
+"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0, lodash@~4.17.10:
   version "4.17.10"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
 
@@ -3575,7 +3816,7 @@ mixin-object@^2.0.1:
     for-in "^0.1.3"
     is-extendable "^0.1.1"
 
-mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
+mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
@@ -3631,6 +3872,10 @@ nanomatch@^1.2.9:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
+natural-compare@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
+
 needle@^2.2.0:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/needle/-/needle-2.2.1.tgz#b5e325bd3aae8c2678902fa296f729455d1d3a7d"
@@ -3834,6 +4079,10 @@ object-copy@^0.1.0:
     define-property "^0.2.5"
     kind-of "^3.0.3"
 
+object-hash@^1.1.4:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-1.3.0.tgz#76d9ba6ff113cf8efc0d996102851fe6723963e2"
+
 object-keys@^1.0.8:
   version "1.0.12"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.12.tgz#09c53855377575310cca62f55bb334abff7b3ed2"
@@ -3893,6 +4142,17 @@ opn@^5.1.0:
   dependencies:
     is-wsl "^1.1.0"
 
+optionator@^0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
+  dependencies:
+    deep-is "~0.1.3"
+    fast-levenshtein "~2.0.4"
+    levn "~0.3.0"
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+    wordwrap "~1.0.0"
+
 original@>=0.0.5:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/original/-/original-1.0.1.tgz#b0a53ff42ba997a8c9cd1fb5daaeb42b9d693190"
@@ -4027,7 +4287,7 @@ path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
 
-path-is-inside@^1.0.1:
+path-is-inside@^1.0.1, path-is-inside@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
 
@@ -4101,6 +4361,12 @@ pixrem@^4.0.0:
     postcss "^6.0.0"
     reduce-css-calc "^1.2.7"
 
+pkg-dir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-1.0.0.tgz#7a4b508a8d5bb2d629d447056ff4e9c9314cf3d4"
+  dependencies:
+    find-up "^1.0.0"
+
 pkg-dir@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-2.0.0.tgz#f6d5d1109e19d63edf428e0bd57e12777615334b"
@@ -4114,6 +4380,10 @@ pleeease-filters@^4.0.0:
     onecolor "^3.0.4"
     postcss "^6.0.1"
 
+pluralize@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
+
 portfinder@^1.0.9:
   version "1.0.13"
   resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.13.tgz#bb32ecd87c27104ae6ee44b5a3ccbf0ebb1aede9"
@@ -4640,6 +4910,10 @@ postcss@^6.0, postcss@^6.0.0, postcss@^6.0.1, postcss@^6.0.11, postcss@^6.0.14,
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
+prelude-ls@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
+
 prepend-http@^1.0.0:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
@@ -4660,6 +4934,10 @@ process@^0.11.10:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
 
+progress@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
+
 promise-inflight@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/promise-inflight/-/promise-inflight-1.0.1.tgz#98472870bf228132fcbdd868129bad12c3c029e3"
@@ -4930,6 +5208,16 @@ regex-not@^1.0.0, regex-not@^1.0.2:
     extend-shallow "^3.0.2"
     safe-regex "^1.1.0"
 
+regexp.prototype.flags@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/regexp.prototype.flags/-/regexp.prototype.flags-1.2.0.tgz#6b30724e306a27833eeb171b66ac8890ba37e41c"
+  dependencies:
+    define-properties "^1.1.2"
+
+regexpp@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-2.0.0.tgz#b2a7534a85ca1b033bcf5ce9ff8e56d4e0755365"
+
 regexpu-core@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-1.0.0.tgz#86a763f58ee4d7c2f6b102e4764050de7ed90c6b"
@@ -5038,6 +5326,17 @@ 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-uncached@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
+  dependencies:
+    caller-path "^0.1.0"
+    resolve-from "^1.0.0"
+
+requireindex@~1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/requireindex/-/requireindex-1.1.0.tgz#e5404b81557ef75db6e49c5a72004893fe03e162"
+
 requires-port@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
@@ -5048,6 +5347,10 @@ resolve-cwd@^2.0.0:
   dependencies:
     resolve-from "^3.0.0"
 
+resolve-from@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
+
 resolve-from@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-3.0.0.tgz#b22c7af7d9d6881bc8b6e653335eebcb0a188748"
@@ -5112,6 +5415,12 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
+rxjs@^5.5.2:
+  version "5.5.11"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-5.5.11.tgz#f733027ca43e3bec6b994473be4ab98ad43ced87"
+  dependencies:
+    symbol-observable "1.0.1"
+
 rxjs@^6.1.0:
   version "6.2.1"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.2.1.tgz#246cebec189a6cbc143a3ef9f62d6f4c91813ca1"
@@ -5323,6 +5632,12 @@ slash@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
 
+slice-ansi@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-1.0.0.tgz#044f1a49d8842ff307aad6b505ed178bd950134d"
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+
 snapdragon-node@^2.0.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/snapdragon-node/-/snapdragon-node-2.1.1.tgz#6c175f86ff14bdb0724563e8f3c1b021a286853b"
@@ -5562,6 +5877,16 @@ string-width@^1.0.1, string-width@^1.0.2:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
+string.prototype.matchall@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/string.prototype.matchall/-/string.prototype.matchall-2.0.0.tgz#2af8fe3d2d6dc53ca2a59bd376b089c3c152b3c8"
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.10.0"
+    function-bind "^1.1.1"
+    has-symbols "^1.0.0"
+    regexp.prototype.flags "^1.2.0"
+
 string_decoder@^1.0.0, string_decoder@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
@@ -5604,7 +5929,7 @@ strip-indent@^1.0.1:
   dependencies:
     get-stdin "^4.0.1"
 
-strip-json-comments@~2.0.1:
+strip-json-comments@^2.0.1, strip-json-comments@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
 
@@ -5649,6 +5974,21 @@ svgo@^0.7.0:
     sax "~1.2.1"
     whet.extend "~0.9.9"
 
+symbol-observable@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.0.1.tgz#8340fc4702c3122df5d22288f88283f513d3fdd4"
+
+table@^4.0.3:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
+  dependencies:
+    ajv "^6.0.1"
+    ajv-keywords "^3.0.0"
+    chalk "^2.1.0"
+    lodash "^4.17.4"
+    slice-ansi "1.0.0"
+    string-width "^2.1.1"
+
 tapable@^0.2.7:
   version "0.2.8"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.2.8.tgz#99372a5c999bf2df160afc0d74bed4f47948cd22"
@@ -5677,6 +6017,10 @@ tar@^4:
     safe-buffer "^5.1.2"
     yallist "^3.0.2"
 
+text-table@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
+
 through2@^2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.3.tgz#0004569b37c7c74ba39c43f3ced78d1ad94140be"
@@ -5776,6 +6120,12 @@ tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   version "0.14.5"
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
 
+type-check@~0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.3.2.tgz#5884cab512cf1d355e3fb784f30804b2b520db72"
+  dependencies:
+    prelude-ls "~1.1.2"
+
 type-is@~1.6.15, type-is@~1.6.16:
   version "1.6.16"
   resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.16.tgz#f89ce341541c672b25ee7ae3c73dee3b2be50194"
@@ -6126,6 +6476,10 @@ 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"
+
 worker-farm@^1.5.2:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.6.0.tgz#aecc405976fab5a95526180846f0dba288f3a4a0"
@@ -6143,6 +6497,12 @@ wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
+write@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
+  dependencies:
+    mkdirp "^0.5.1"
+
 xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"