diff --git a/package.json b/package.json
index c303fcc4a..5a027560f 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,8 @@
     "test:webpack": "node scripts/webpack-regression-tests.js",
     "test:flow": "node_modules/.bin/flow check",
     "test:performance": "npm run small-build && PERSIST=true time node --expose-gc test/perf/index.js",
-    "test:travis": "yarn test:all && yarn test:performance && yarn test -i --coverage && yarn test:webpack && yarn size",
+    "test:travis": "yarn test:all && yarn test:performance && yarn test -i --coverage && yarn test:es5 && yarn test:webpack && yarn size",
+    "test:es5": "yarn small-build && es-check es5 lib/mobx.js",
     "prettier": "prettier --write --print-width 100 --tab-width 4 --no-semi \"**/*.js\" \"**/*.jsx\" \"**/*.tsx\" \"**/*.ts\"",
     "_prepublish": "npm run small-build",
     "quick-build": "tsc --pretty",
@@ -59,6 +60,7 @@
     "chalk": "^1.1.3",
     "coveralls": "^2.11.4",
     "envify": "^4.1.0",
+    "es-check": "^5.0.0",
     "eslint": "^5.13.0",
     "flow-bin": "^0.59.0",
     "fs-extra": "^3.0.1",
diff --git a/yarn.lock b/yarn.lock
index a13738d37..8d66accd4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -635,6 +635,11 @@ acorn-jsx@^5.0.0:
   resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.0.1.tgz#32a064fd925429216a09b141102bfdd185fae40e"
   integrity sha512-HJ7CfNHrfJLlNTzIEUTj43LNWGkqpRLxm3YjAlcD0ACydk9XynzYsCBHxut+iqt+1aBXkx9UP/w/ZqMr13XIzg==
 
+acorn@6.0.4:
+  version "6.0.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.0.4.tgz#77377e7353b72ec5104550aa2d2097a2fd40b754"
+  integrity sha512-VY4i5EKSKkofY2I+6QLTbTTN/UvEQPCo6eiwzzSaSWfpaDhOmStMCMod6wmuPciNq+XS0faCglFu2lHZpdHUtg==
+
 acorn@^4.0.3:
   version "4.0.13"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
@@ -709,7 +714,7 @@ ansi-align@^2.0.0:
   dependencies:
     string-width "^2.0.0"
 
-ansi-escapes@^1.0.0:
+ansi-escapes@^1.0.0, ansi-escapes@^1.1.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
 
@@ -758,6 +763,11 @@ ansi-styles@^3.2.1:
   dependencies:
     color-convert "^1.9.0"
 
+ansi@^0.3.0, ansi@~0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/ansi/-/ansi-0.3.1.tgz#0c42d4fb17160d5a9af1e484bace1c66922c1b21"
+  integrity sha1-DELU+xcWDVqa8eSEus4cZpIsGyE=
+
 anymatch@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-1.3.0.tgz#a3e52fa39168c825ff57b0248126ce5a8ff95507"
@@ -886,6 +896,11 @@ async@^2.1.4:
   dependencies:
     lodash "^4.14.0"
 
+async@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/async/-/async-1.0.0.tgz#f8fc04ca3a13784ade9e1641af98578cfbd647a9"
+  integrity sha1-+PwEyjoTeErenhZBr5hXjPvWR6k=
+
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -1404,6 +1419,11 @@ block-stream@*:
   dependencies:
     inherits "~2.0.0"
 
+bluebird@^3.4.7:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.3.tgz#7d01c6f9616c9a51ab0f8c549a79dfe6ec33efa7"
+  integrity sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw==
+
 bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
   version "4.11.7"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.7.tgz#ddb048e50d9482790094c13eb3fcfc833ce7ab46"
@@ -1594,6 +1614,11 @@ bser@^2.0.0:
   dependencies:
     node-int64 "^0.4.0"
 
+buffer-from@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+  integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
+
 buffer-xor@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
@@ -1614,7 +1639,7 @@ buffer@^4.3.0:
     ieee754 "^1.1.4"
     isarray "^1.0.0"
 
-builtin-modules@^1.0.0, builtin-modules@^1.1.0, builtin-modules@^1.1.1:
+builtin-modules@^1.0.0, builtin-modules@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
 
@@ -1655,6 +1680,23 @@ caniuse-lite@^1.0.30000884:
   version "1.0.30000887"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000887.tgz#1769458c27bbdcf61b0cb6b5072bb6cd11fd9c23"
 
+caporal@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/caporal/-/caporal-1.1.0.tgz#834fd2348ab6ae79171a023a975ccc6f04620533"
+  integrity sha512-R5qo2QGoqBM6RvzHonGhUuEJSeqEa4lD1r+cPUEY2+YsXhpQVTS2TvScfIbi6ydFdhzFCNeNUB1v0YrRBvsbdg==
+  dependencies:
+    bluebird "^3.4.7"
+    cli-table3 "^0.5.0"
+    colorette "1.0.1"
+    fast-levenshtein "^2.0.6"
+    lodash.camelcase "^4.3.0"
+    lodash.kebabcase "^4.1.1"
+    lodash.merge "^4.6.0"
+    micromist "1.1.0"
+    prettyjson "^1.2.1"
+    tabtab "^2.2.2"
+    winston "^2.3.1"
+
 caseless@~0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.11.0.tgz#715b96ea9841593cc33067923f5ec60ebda4f7d7"
@@ -1696,7 +1738,7 @@ chalk@^2.0.1:
     escape-string-regexp "^1.0.5"
     supports-color "^4.0.0"
 
-chalk@^2.1.0, chalk@^2.3.0, chalk@^2.4.2:
+chalk@^2.1.0, chalk@^2.4.2:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
   integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
@@ -1744,7 +1786,7 @@ cli-boxes@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/cli-boxes/-/cli-boxes-1.0.0.tgz#4fa917c3e59c94a004cd61f8ee509da651687143"
 
-cli-cursor@^1.0.2:
+cli-cursor@^1.0.1, cli-cursor@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-1.0.2.tgz#64da3f7d56a54412e59794bd62dc35295e8f2987"
   dependencies:
@@ -1761,6 +1803,16 @@ cli-spinners@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/cli-spinners/-/cli-spinners-0.1.2.tgz#bb764d88e185fb9e1e6a2a1f19772318f605e31c"
 
+cli-table3@^0.5.0:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/cli-table3/-/cli-table3-0.5.1.tgz#0252372d94dfc40dbd8df06005f48f31f656f202"
+  integrity sha512-7Qg2Jrep1S/+Q3EceiZtQcDPWxhAvBw+ERf1162v4sikJrvojMHFqXt8QIVha8UlH9rgU0BeWPytZ9/TzYqlUw==
+  dependencies:
+    object-assign "^4.1.0"
+    string-width "^2.1.1"
+  optionalDependencies:
+    colors "^1.1.2"
+
 cli-truncate@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/cli-truncate/-/cli-truncate-0.2.1.tgz#9f15cfbb0705005369216c626ac7d05ab90dd574"
@@ -1813,6 +1865,16 @@ color-name@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.2.tgz#5c8ab72b64bd2215d617ae9559ebb148475cf98d"
 
+colorette@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.0.1.tgz#434bad4bd70969c075162fec86ca55da36bf837c"
+  integrity sha512-40MnlppkzHhFjRhtXunbpqKUT+eJn0gyVGi8aQlNSG8T2CCy31NdD7yktcS0aizH1VP2OhhQCyGMeTp0a/fvaw==
+
+colors@1.0.x:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/colors/-/colors-1.0.3.tgz#0433f44d809680fdeb60ed260f1b0c262e82a40b"
+  integrity sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs=
+
 colors@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
@@ -1832,11 +1894,6 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.12.1:
-  version "2.19.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.19.0.tgz#f6198aa84e5b83c46054b94ddedbfed5ee9ff12a"
-  integrity sha512-6tvAOO+D6OENvRAh524Dh9jcfKTYDQAqvqezbCW82xj5X0pSrcpxtvRKHLG0yBY6SD7PSDrJaj+0AiOcKVd1Xg==
-
 commander@^2.9.0:
   version "2.11.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.11.0.tgz#157152fd1e7a6c8d98a5b715cf376df928004563"
@@ -1845,6 +1902,16 @@ 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@^1.4.7:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
+  integrity sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==
+  dependencies:
+    buffer-from "^1.0.0"
+    inherits "^2.0.3"
+    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"
@@ -1867,11 +1934,6 @@ 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"
 
-contains-path@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/contains-path/-/contains-path-0.1.0.tgz#fe8cf184ff6670b6baef01a9d4861a5cbec4120a"
-  integrity sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo=
-
 content-disposition@0.5.2:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
@@ -2068,6 +2130,11 @@ cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0":
   dependencies:
     cssom "0.3.x"
 
+cycle@1.0.x:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/cycle/-/cycle-1.0.3.tgz#21e80b2be8580f98b468f379430662b046c34ad2"
+  integrity sha1-IegLK+hYD5i0aPN5QwZisEbDStI=
+
 d@1:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/d/-/d-1.0.0.tgz#754bb5bfe55451da69a58b94d45f4c5b0462d58f"
@@ -2100,7 +2167,7 @@ debug@^2.1.1, debug@^2.2.0:
   dependencies:
     ms "2.0.0"
 
-debug@^2.6.8, debug@^2.6.9:
+debug@^2.6.8:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   dependencies:
@@ -2223,14 +2290,6 @@ diffie-hellman@^5.0.0:
     miller-rabin "^4.0.0"
     randombytes "^2.0.0"
 
-doctrine@1.5.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-1.5.0.tgz#379dce730f6166f76cefa4e6707a159b02c5a6fa"
-  integrity sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=
-  dependencies:
-    esutils "^2.0.2"
-    isarray "^1.0.0"
-
 doctrine@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.1.0.tgz#5cd01fc101621b42c4cd7f5d1a66243716d3f39d"
@@ -2345,6 +2404,15 @@ es-abstract@^1.5.1:
     is-callable "^1.1.3"
     is-regex "^1.0.4"
 
+es-check@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/es-check/-/es-check-5.0.0.tgz#856f682db18b989aaf050a1490b8e15a58a35bcc"
+  integrity sha512-30n+EZt5KjazXEvyYr2DXJCOJJWfdT1unRp5+Szlcja6uGAB3Sh3QPjRsxd2xgN9SFj4S5P8pdBISwGcDdS45Q==
+  dependencies:
+    acorn "6.0.4"
+    caporal "1.1.0"
+    glob "^7.1.2"
+
 es-to-primitive@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.1.1.tgz#45355248a88979034b6792e19bb81f2b7975dd0d"
@@ -2433,38 +2501,6 @@ escope@^3.6.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint-import-resolver-node@^0.3.2:
-  version "0.3.2"
-  resolved "https://registry.yarnpkg.com/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.2.tgz#58f15fb839b8d0576ca980413476aab2472db66a"
-  integrity sha512-sfmTqJfPSizWu4aymbPr4Iidp5yKm8yDkHp+Ir3YiTHiiDfxh69mOUsmiqW6RZ9zRXFaF64GtYmN7e+8GHBv6Q==
-  dependencies:
-    debug "^2.6.9"
-    resolve "^1.5.0"
-
-eslint-module-utils@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/eslint-module-utils/-/eslint-module-utils-2.3.0.tgz#546178dab5e046c8b562bbb50705e2456d7bda49"
-  integrity sha512-lmDJgeOOjk8hObTysjqH7wyMi+nsHwwvfBykwfhjR1LNdd7C2uFJBvx4OpWYpXOw4df1yE1cDEVd1yLHitk34w==
-  dependencies:
-    debug "^2.6.8"
-    pkg-dir "^2.0.0"
-
-eslint-plugin-import@^2.16.0:
-  version "2.16.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-import/-/eslint-plugin-import-2.16.0.tgz#97ac3e75d0791c4fac0e15ef388510217be7f66f"
-  integrity sha512-z6oqWlf1x5GkHIFgrSvtmudnqM6Q60KM4KvpWi5ubonMjycLjndvd5+8VAZIsTlHC03djdgJuyKG6XO577px6A==
-  dependencies:
-    contains-path "^0.1.0"
-    debug "^2.6.9"
-    doctrine "1.5.0"
-    eslint-import-resolver-node "^0.3.2"
-    eslint-module-utils "^2.3.0"
-    has "^1.0.3"
-    lodash "^4.17.11"
-    minimatch "^3.0.4"
-    read-pkg-up "^2.0.0"
-    resolve "^1.9.0"
-
 eslint-scope@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-4.0.0.tgz#50bf3071e9338bcdc43331794a0cb533f0136172"
@@ -2690,10 +2726,24 @@ express@^4.15.2:
     utils-merge "1.0.0"
     vary "~1.1.1"
 
+extend@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
+  integrity sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==
+
 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@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-1.1.1.tgz#12d7b0db850f7ff7e7081baf4005700060c4600b"
+  integrity sha1-Etew24UPf/fnCBuvQAVwAGDEYAs=
+  dependencies:
+    extend "^3.0.0"
+    spawn-sync "^1.0.15"
+    tmp "^0.0.29"
+
 external-editor@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-3.0.3.tgz#5866db29a97826dbe4bf3afd24070ead9ea43a27"
@@ -2713,6 +2763,11 @@ extsprintf@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.0.2.tgz#e1080e0658e300b06294990cc70e1502235fd550"
 
+eyes@0.1.x:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/eyes/-/eyes-0.1.8.tgz#62cf120234c683785d902348a800ef3e0cc20bc0"
+  integrity sha1-Ys8SAjTGg3hdkCNIqADvPgzCC8A=
+
 fast-deep-equal@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-0.1.0.tgz#5c6f4599aba6b333ee3342e2ed978672f1001f8d"
@@ -2730,7 +2785,7 @@ 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:
+fast-levenshtein@^2.0.6, fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
 
@@ -2740,7 +2795,7 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "^2.0.0"
 
-figures@^1.7.0:
+figures@^1.3.5, figures@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
   dependencies:
@@ -2942,6 +2997,17 @@ functional-red-black-tree@^1.0.1:
   resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
   integrity sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=
 
+gauge@~1.2.5:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/gauge/-/gauge-1.2.7.tgz#e9cec5483d3d4ee0ef44b60a7d99e4935e136d93"
+  integrity sha1-6c7FSD09TuDvRLYKfZnkk14TbZM=
+  dependencies:
+    ansi "^0.3.0"
+    has-unicode "^2.0.0"
+    lodash.pad "^4.1.0"
+    lodash.padend "^4.1.0"
+    lodash.padstart "^4.1.0"
+
 gauge@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
@@ -3134,13 +3200,6 @@ has@^1.0.0, has@^1.0.1, has@~1.0.1:
   dependencies:
     function-bind "^1.0.2"
 
-has@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
-  integrity sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==
-  dependencies:
-    function-bind "^1.1.1"
-
 hash-base@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/hash-base/-/hash-base-2.0.2.tgz#66ea1d856db4e8a5470cadf6fce23ae5244ef2e1"
@@ -3317,6 +3376,26 @@ inline-source-map@~0.6.0:
   dependencies:
     source-map "~0.5.3"
 
+inquirer@^1.0.2:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-1.2.3.tgz#4dec6f32f37ef7bb0b2ed3f1d1a5c3f545074918"
+  integrity sha1-TexvMvN+97sLLtPx0aXD9UUHSRg=
+  dependencies:
+    ansi-escapes "^1.1.0"
+    chalk "^1.0.0"
+    cli-cursor "^1.0.1"
+    cli-width "^2.0.0"
+    external-editor "^1.1.0"
+    figures "^1.3.5"
+    lodash "^4.3.0"
+    mute-stream "0.0.6"
+    pinkie-promise "^2.0.0"
+    run-async "^2.2.0"
+    rx "^4.1.0"
+    string-width "^1.0.1"
+    strip-ansi "^3.0.0"
+    through "^2.3.6"
+
 inquirer@^6.1.0:
   version "6.2.2"
   resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.2.2.tgz#46941176f65c9eb20804627149b743a218f25406"
@@ -3534,7 +3613,7 @@ isobject@^2.0.0:
   dependencies:
     isarray "1.0.0"
 
-isstream@~0.1.2:
+isstream@0.1.x, isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
@@ -4193,10 +4272,20 @@ lodash._getnative@^3.0.0:
   version "3.9.1"
   resolved "https://registry.yarnpkg.com/lodash._getnative/-/lodash._getnative-3.9.1.tgz#570bc7dede46d61cdcde687d65d3eecbaa3aaff5"
 
+lodash.camelcase@^4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
+  integrity sha1-soqmKIorn8ZRA1x3EfZathkDMaY=
+
 lodash.chunk@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/lodash.chunk/-/lodash.chunk-4.2.0.tgz#66e5ce1f76ed27b4303d8c6512e8d1216e8106bc"
 
+lodash.difference@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.difference/-/lodash.difference-4.5.0.tgz#9ccb4e505d486b91651345772885a2df27fd017c"
+  integrity sha1-nMtOUF1Ia5FlE0V3KIWi3yf9AXw=
+
 lodash.intersection@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/lodash.intersection/-/lodash.intersection-3.2.0.tgz#e5b3611298a1187247b99eeadb385a3da018c570"
@@ -4210,10 +4299,35 @@ lodash.isplainobject@^4.0.6:
   version "4.0.6"
   resolved "https://registry.yarnpkg.com/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz#7c526a52d89b45c45cc690b88163be0497f550cb"
 
+lodash.kebabcase@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/lodash.kebabcase/-/lodash.kebabcase-4.1.1.tgz#8489b1cb0d29ff88195cceca448ff6d6cc295c36"
+  integrity sha1-hImxyw0p/4gZXM7KRI/21swpXDY=
+
 lodash.memoize@~3.0.3:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-3.0.4.tgz#2dcbd2c287cbc0a55cc42328bd0c736150d53e3f"
 
+lodash.merge@^4.6.0:
+  version "4.6.1"
+  resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.1.tgz#adc25d9cb99b9391c59624f379fbba60d7111d54"
+  integrity sha512-AOYza4+Hf5z1/0Hztxpm2/xiPZgi/cjMqdnKTUWTBSKchJlxXXuUSxCCl8rJlf4g6yww/j6mA8nC8Hw/EZWxKQ==
+
+lodash.pad@^4.1.0:
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/lodash.pad/-/lodash.pad-4.5.1.tgz#4330949a833a7c8da22cc20f6a26c4d59debba70"
+  integrity sha1-QzCUmoM6fI2iLMIPaibE1Z3runA=
+
+lodash.padend@^4.1.0:
+  version "4.6.1"
+  resolved "https://registry.yarnpkg.com/lodash.padend/-/lodash.padend-4.6.1.tgz#53ccba047d06e158d311f45da625f4e49e6f166e"
+  integrity sha1-U8y6BH0G4VjTEfRdpiX05J5vFm4=
+
+lodash.padstart@^4.1.0:
+  version "4.6.1"
+  resolved "https://registry.yarnpkg.com/lodash.padstart/-/lodash.padstart-4.6.1.tgz#d2e3eebff0d9d39ad50f5cbd1b52a7bce6bb611b"
+  integrity sha1-0uPuv/DZ05rVD1y9G1KnvOa7YRs=
+
 lodash.restparam@^3.0.0:
   version "3.6.1"
   resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
@@ -4231,11 +4345,16 @@ lodash.unescape@4.0.1:
   resolved "https://registry.yarnpkg.com/lodash.unescape/-/lodash.unescape-4.0.1.tgz#bf2249886ce514cda112fae9218cdc065211fc9c"
   integrity sha1-vyJJiGzlFM2hEvrpIYzcBlIR/Jw=
 
+lodash.uniq@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
+  integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
+
 lodash@^4.13.1, lodash@^4.14.0, lodash@^4.17.4, lodash@^4.2.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
-lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.5:
+lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.5, lodash@^4.3.0:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
 
@@ -4332,6 +4451,13 @@ micromatch@^2.1.5, micromatch@^2.3.11:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
+micromist@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/micromist/-/micromist-1.1.0.tgz#a490bcf9a4b918ad9eed8e52d0ec98b9c3b2d3c8"
+  integrity sha512-+CQ76pabE9egniSEdmDuH+j2cYyIBKP97kujG8ZLZyLCRq5ExwtIy4DPHPFrq4jVbhMRBnyjuH50KU9Ohs8QCg==
+  dependencies:
+    lodash.camelcase "^4.3.0"
+
 miller-rabin@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/miller-rabin/-/miller-rabin-4.0.0.tgz#4a62fb1d42933c05583982f4c716f6fb9e6c6d3d"
@@ -4424,6 +4550,11 @@ ms@^2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
   integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
 
+mute-stream@0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.6.tgz#48962b19e169fd1dfc240b3f1e7317627bbc47db"
+  integrity sha1-SJYrGeFp/R38JAs/HnMXYnu8R9s=
+
 mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
@@ -4583,6 +4714,15 @@ npm-which@^3.0.1:
     npm-path "^2.0.2"
     which "^1.2.10"
 
+npmlog@^2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-2.0.4.tgz#98b52530f2514ca90d09ec5b22c8846722375692"
+  integrity sha1-mLUlMPJRTKkNCexbIsiEZyI3VpI=
+  dependencies:
+    ansi "~0.3.1"
+    are-we-there-yet "~1.1.2"
+    gauge "~1.2.5"
+
 npmlog@^4.0.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
@@ -4710,7 +4850,12 @@ os-locale@^2.0.0:
     lcid "^1.0.0"
     mem "^1.1.0"
 
-os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.2:
+os-shim@^0.1.2:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/os-shim/-/os-shim-0.1.3.tgz#6b62c3791cf7909ea35ed46e17658bb417cb3917"
+  integrity sha1-a2LDeRz3kJ6jXtRuF2WLtBfLORc=
+
+os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.1, os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
 
@@ -4826,11 +4971,6 @@ path-parse@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
 
-path-parse@^1.0.6:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
-  integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
-
 path-platform@~0.11.15:
   version "0.11.15"
   resolved "https://registry.yarnpkg.com/path-platform/-/path-platform-0.11.15.tgz#e864217f74c36850f0852b78dc7bf7d4a5721bf2"
@@ -4915,6 +5055,14 @@ pretty-format@^22.0.3:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
 
+prettyjson@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/prettyjson/-/prettyjson-1.2.1.tgz#fcffab41d19cab4dfae5e575e64246619b12d289"
+  integrity sha1-/P+rQdGcq0365eV15kJGYZsS0ok=
+  dependencies:
+    colors "^1.1.2"
+    minimist "^1.2.0"
+
 private@^0.1.6:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.7.tgz#68ce5e8a1ef0a23bb570cc28537b5332aba63ef1"
@@ -4927,6 +5075,11 @@ process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
 
+process-nextick-args@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
+  integrity sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==
+
 process@^0.11.0, process@~0.11.0:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
@@ -5074,6 +5227,19 @@ readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
 
+readable-stream@^2.2.2:
+  version "2.3.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
 readable-stream@~2.0.0:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
@@ -5349,13 +5515,6 @@ resolve@^1.3.2:
   dependencies:
     path-parse "^1.0.5"
 
-resolve@^1.5.0, resolve@^1.9.0:
-  version "1.10.0"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.10.0.tgz#3bdaaeaf45cc07f375656dfd2e54ed0810b101ba"
-  integrity sha512-3sUr9aq5OfSg2S9pNtPA9hL1FVEAjvfOC4leW0SNf/mpnaakz2a9femSd6LqAww2RaFctwyf1lCqnTHuF1rxDg==
-  dependencies:
-    path-parse "^1.0.6"
-
 restore-cursor@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-1.0.1.tgz#34661f46886327fed2991479152252df92daa541"
@@ -5441,6 +5600,11 @@ run-async@^2.2.0:
   dependencies:
     is-promise "^2.1.0"
 
+rx@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/rx/-/rx-4.1.0.tgz#a5f13ff79ef3b740fe30aa803fb09f98805d4782"
+  integrity sha1-pfE/957zt0D+MKqAP7CfmIBdR4I=
+
 rxjs@^5.0.0-beta.11:
   version "5.4.2"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-5.4.2.tgz#2a3236fcbf03df57bae06fd6972fd99e5c08fcf7"
@@ -5687,6 +5851,14 @@ source-map@~0.5.6:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
+spawn-sync@^1.0.15:
+  version "1.0.15"
+  resolved "https://registry.yarnpkg.com/spawn-sync/-/spawn-sync-1.0.15.tgz#b00799557eb7fb0c8376c29d44e8a1ea67e57476"
+  integrity sha1-sAeZVX63+wyDdsKdROih6mfldHY=
+  dependencies:
+    concat-stream "^1.4.7"
+    os-shim "^0.1.2"
+
 spdx-correct@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-1.0.2.tgz#4b3073d933ff51f3912f03ac5519498a4150db40"
@@ -5719,6 +5891,11 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
+stack-trace@0.0.x:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.10.tgz#547c70b347e8d32b4e108ea1a2a159e5fdde19c0"
+  integrity sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA=
+
 stack-utils@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/stack-utils/-/stack-utils-1.0.1.tgz#d4f33ab54e8e38778b0ca5cfd3b3afb12db68620"
@@ -5818,6 +5995,13 @@ string_decoder@~1.0.3:
   dependencies:
     safe-buffer "~5.1.0"
 
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  integrity sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
+  dependencies:
+    safe-buffer "~5.1.0"
+
 stringstream@~0.0.4, stringstream@~0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
@@ -5916,6 +6100,20 @@ table@^5.0.2:
     slice-ansi "^2.0.0"
     string-width "^2.1.1"
 
+tabtab@^2.2.2:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/tabtab/-/tabtab-2.2.2.tgz#7a047f143b010b4cbd31f857e82961512cbf4e14"
+  integrity sha1-egR/FDsBC0y9MfhX6ClhUSy/ThQ=
+  dependencies:
+    debug "^2.2.0"
+    inquirer "^1.0.2"
+    lodash.difference "^4.5.0"
+    lodash.uniq "^4.5.0"
+    minimist "^1.2.0"
+    mkdirp "^0.5.1"
+    npmlog "^2.0.3"
+    object-assign "^4.1.0"
+
 tapable@^0.2.5, tapable@~0.2.5:
   version "0.2.6"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.2.6.tgz#206be8e188860b514425375e6f1ae89bfb01fd8d"
@@ -6017,6 +6215,13 @@ timers-browserify@^2.0.2:
   dependencies:
     setimmediate "^1.0.4"
 
+tmp@^0.0.29:
+  version "0.0.29"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.29.tgz#f25125ff0dd9da3ccb0c2dd371ee1288bb9128c0"
+  integrity sha1-8lEl/w3Z2jzLDC3Tce4SiLuRKMA=
+  dependencies:
+    os-tmpdir "~1.0.1"
+
 tmp@^0.0.33:
   version "0.0.33"
   resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"
@@ -6081,41 +6286,11 @@ tslib@^1.7.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.8.1.tgz#6946af2d1d651a7b1863b531d6e5afa41aa44eac"
 
-tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
+tslib@^1.8.1, tslib@^1.9.0:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
   integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
 
-tslint-config-prettier@^1.17.0:
-  version "1.17.0"
-  resolved "https://registry.yarnpkg.com/tslint-config-prettier/-/tslint-config-prettier-1.17.0.tgz#946ed6117f98f3659a65848279156d87628c33dc"
-  integrity sha512-NKWNkThwqE4Snn4Cm6SZB7lV5RMDDFsBwz6fWUkTxOKGjMx8ycOHnjIbhn7dZd5XmssW3CwqUjlANR6EhP9YQw==
-
-tslint@^5.12.1:
-  version "5.12.1"
-  resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.12.1.tgz#8cec9d454cf8a1de9b0a26d7bdbad6de362e52c1"
-  integrity sha512-sfodBHOucFg6egff8d1BvuofoOQ/nOeYNfbp7LDlKBcLNrL3lmS5zoiDGyOMdT7YsEXAwWpTdAHwOGOc8eRZAw==
-  dependencies:
-    babel-code-frame "^6.22.0"
-    builtin-modules "^1.1.1"
-    chalk "^2.3.0"
-    commander "^2.12.1"
-    diff "^3.2.0"
-    glob "^7.1.1"
-    js-yaml "^3.7.0"
-    minimatch "^3.0.4"
-    resolve "^1.3.2"
-    semver "^5.3.0"
-    tslib "^1.8.0"
-    tsutils "^2.27.2"
-
-tsutils@^2.27.2:
-  version "2.29.0"
-  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-2.29.0.tgz#32b488501467acbedd4b85498673a0812aca0b99"
-  integrity sha512-g5JVHCIJwzfISaXpXE1qvNalca5Jwob6FjI4AoPlqMusJ6ftFE7IkkFoMhVLRgK+4Kx3gkzb8UZK5t5yTTvEmA==
-  dependencies:
-    tslib "^1.8.1"
-
 tsutils@^3.7.0:
   version "3.8.0"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.8.0.tgz#7a3dbadc88e465596440622b65c04edc8e187ae5"
@@ -6154,7 +6329,7 @@ type-is@~1.6.15:
     media-typer "0.3.0"
     mime-types "~2.1.15"
 
-typedarray@~0.0.5:
+typedarray@^0.0.6, typedarray@~0.0.5:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
@@ -6436,6 +6611,18 @@ window-size@0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
 
+winston@^2.3.1:
+  version "2.4.4"
+  resolved "https://registry.yarnpkg.com/winston/-/winston-2.4.4.tgz#a01e4d1d0a103cf4eada6fc1f886b3110d71c34b"
+  integrity sha512-NBo2Pepn4hK4V01UfcWcDlmiVTs7VTB1h7bgnB0rgP146bYhMxX0ypCz3lBOfNxCO4Zuek7yeT+y/zM1OfMw4Q==
+  dependencies:
+    async "~1.0.0"
+    colors "1.0.x"
+    cycle "1.0.x"
+    eyes "0.1.x"
+    isstream "0.1.x"
+    stack-trace "0.0.x"
+
 wordwrap@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"