diff --git a/yarn.lock b/yarn.lock
index 5f16e3d..b49922f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,6 +2,14 @@
 # yarn lockfile v1
 
 
+"@types/estree@0.0.39":
+  version "0.0.39"
+  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
+
+"@types/node@*":
+  version "10.3.2"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.3.2.tgz#3840ec6c12556fdda6e0e6d036df853101d732a4"
+
 abab@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/abab/-/abab-1.0.3.tgz#b81de5f7274ec4e756d797cd834f303642724e5d"
@@ -485,6 +493,12 @@ babel-plugin-check-es2015-constants@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
+babel-plugin-external-helpers@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-external-helpers/-/babel-plugin-external-helpers-6.22.0.tgz#2285f48b02bd5dede85175caf8c62e86adccefa1"
+  dependencies:
+    babel-runtime "^6.22.0"
+
 babel-plugin-istanbul@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.0.0.tgz#36bde8fbef4837e5ff0366531a2beabd7b1ffa10"
@@ -1141,6 +1155,10 @@ builtin-modules@^1.0.0, builtin-modules@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
 
+builtin-modules@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-2.0.0.tgz#60b7ef5ae6546bd7deefa74b08b62a43a232648e"
+
 bytes@^2.4.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-2.4.0.tgz#7d97196f9d5baf7f6935e25985549edd2a6c2339"
@@ -1579,6 +1597,12 @@ eslint-config-airbnb@^14.1.0:
   dependencies:
     eslint-config-airbnb-base "^11.1.0"
 
+eslint-config-prettier@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-2.9.0.tgz#5ecd65174d486c22dff389fe036febf502d468a3"
+  dependencies:
+    get-stdin "^5.0.1"
+
 eslint-import-resolver-node@^0.2.0:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/eslint-import-resolver-node/-/eslint-import-resolver-node-0.2.3.tgz#5add8106e8c928db2cba232bcd9efa846e3da16c"
@@ -1613,6 +1637,13 @@ eslint-plugin-no-lenght@^1.0.2-0:
   version "1.0.2-0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-no-lenght/-/eslint-plugin-no-lenght-1.0.2-0.tgz#5330742a426c912a19119f465dd26a7e797ac989"
 
+eslint-plugin-prettier@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-2.6.0.tgz#33e4e228bdb06142d03c560ce04ec23f6c767dd7"
+  dependencies:
+    fast-diff "^1.1.1"
+    jest-docblock "^21.0.0"
+
 eslint@^3.16.1:
   version "3.16.1"
   resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.16.1.tgz#9bc31fc7341692cf772e80607508f67d711c5609"
@@ -1693,6 +1724,14 @@ estraverse@~4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.1.1.tgz#f6caca728933a850ef90661d0e17982ba47111a2"
 
+estree-walker@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.2.1.tgz#bdafe8095383d8414d5dc2ecf4c9173b6db9412e"
+
+estree-walker@^0.5.1, estree-walker@^0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.5.2.tgz#d3850be7529c9580d815600b53126515e146dd39"
+
 esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
@@ -1748,6 +1787,10 @@ extsprintf@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.0.2.tgz#e1080e0658e300b06294990cc70e1502235fd550"
 
+fast-diff@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.1.2.tgz#4b62c42b8e03de3f848460b639079920695d0154"
+
 fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
@@ -1917,6 +1960,10 @@ get-caller-file@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.2.tgz#f702e63127e7e231c160a80c1554acb70d5047e5"
 
+get-stdin@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
+
 getpass@^0.1.1:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.6.tgz#283ffd9fc1256840875311c1b60e8c40187110e6"
@@ -2220,6 +2267,10 @@ is-glob@^2.0.0, is-glob@^2.0.1:
   dependencies:
     is-extglob "^1.0.0"
 
+is-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-module/-/is-module-1.0.0.tgz#3258fb69f78c14d5b815d664336b4cffb6441591"
+
 is-my-json-valid@^2.10.0, is-my-json-valid@^2.12.4:
   version "2.15.0"
   resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.15.0.tgz#936edda3ca3c211fd98f3b2d3e08da43f7b2915b"
@@ -2421,6 +2472,10 @@ jest-diff@^19.0.0:
     jest-matcher-utils "^19.0.0"
     pretty-format "^19.0.0"
 
+jest-docblock@^21.0.0:
+  version "21.2.0"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-21.2.0.tgz#51529c3b30d5fd159da60c27ceedc195faf8d414"
+
 jest-environment-jsdom@^19.0.2:
   version "19.0.2"
   resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-19.0.2.tgz#ceda859c4a4b94ab35e4de7dab54b926f293e4a3"
@@ -2793,6 +2848,12 @@ loud-rejection@^1.2.0:
     currently-unhandled "^0.4.1"
     signal-exit "^3.0.0"
 
+magic-string@^0.22.4:
+  version "0.22.5"
+  resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.22.5.tgz#8e9cf5afddf44385c1da5bc2a6a0dbd10b03657e"
+  dependencies:
+    vlq "^0.2.2"
+
 makeerror@1.0.x:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/makeerror/-/makeerror-1.0.11.tgz#e01a5c9109f2af79660e4e8b9587790184f5a96c"
@@ -3179,6 +3240,10 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
+prettier@^1.13.5:
+  version "1.13.5"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.13.5.tgz#7ae2076998c8edce79d63834e9b7b09fead6bfd0"
+
 pretty-format@^19.0.0:
   version "19.0.0"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-19.0.0.tgz#56530d32acb98a3fa4851c4e2b9d37b420684c84"
@@ -3430,6 +3495,12 @@ resolve@^1.2.0:
   dependencies:
     path-parse "^1.0.5"
 
+resolve@^1.5.0:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.7.1.tgz#aadd656374fd298aee895bc026b8297418677fd3"
+  dependencies:
+    path-parse "^1.0.5"
+
 restore-cursor@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-1.0.1.tgz#34661f46886327fed2991479152252df92daa541"
@@ -3457,6 +3528,50 @@ roadrunner@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/roadrunner/-/roadrunner-1.1.0.tgz#1180a30d64e1970d8f55dd8cb0da8ffccecad71e"
 
+rollup-plugin-babel@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-3.0.4.tgz#41b3e762fe64450dd61da3105a2cf7ad76be4edc"
+  dependencies:
+    rollup-pluginutils "^1.5.0"
+
+rollup-plugin-commonjs@^9.1.3:
+  version "9.1.3"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-commonjs/-/rollup-plugin-commonjs-9.1.3.tgz#37bfbf341292ea14f512438a56df8f9ca3ba4d67"
+  dependencies:
+    estree-walker "^0.5.1"
+    magic-string "^0.22.4"
+    resolve "^1.5.0"
+    rollup-pluginutils "^2.0.1"
+
+rollup-plugin-node-resolve@^3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-3.3.0.tgz#c26d110a36812cbefa7ce117cadcd3439aa1c713"
+  dependencies:
+    builtin-modules "^2.0.0"
+    is-module "^1.0.0"
+    resolve "^1.1.6"
+
+rollup-pluginutils@^1.5.0:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz#1e156e778f94b7255bfa1b3d0178be8f5c552408"
+  dependencies:
+    estree-walker "^0.2.1"
+    minimatch "^3.0.2"
+
+rollup-pluginutils@^2.0.1:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-2.3.0.tgz#478ace04bd7f6da2e724356ca798214884738fc4"
+  dependencies:
+    estree-walker "^0.5.2"
+    micromatch "^2.3.11"
+
+rollup@^0.60.1:
+  version "0.60.1"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.60.1.tgz#07cb66153f1541d5f7e82b8393b405c31647dae9"
+  dependencies:
+    "@types/estree" "0.0.39"
+    "@types/node" "*"
+
 run-async@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/run-async/-/run-async-0.1.0.tgz#c8ad4a5e110661e402a7d21b530e009f25f8e389"
@@ -3878,6 +3993,10 @@ verror@1.3.6:
   dependencies:
     extsprintf "1.0.2"
 
+vlq@^0.2.2:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/vlq/-/vlq-0.2.3.tgz#8f3e4328cf63b1540c0d67e1b2778386f8975b26"
+
 walker@~1.0.5:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/walker/-/walker-1.0.7.tgz#2f7f9b8fd10d677262b18a884e28d19618e028fb"