diff --git a/package.json b/package.json
index 9e278da..7a56f9c 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     "flow-bin": "^0.61.0",
     "git-contributors": "^0.2.3",
     "husky": "^0.14.3",
-    "jest-cli": "^22.0.4",
+    "jest-cli": "^22.4.0",
     "lint-staged": "^6.0.0",
     "prettier": "^1.9.1",
     "semver": "^5.4.1"
diff --git a/yarn.lock b/yarn.lock
index c3e27cc..8d11ecb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -364,6 +364,13 @@ babel-jest@^22.0.4:
     babel-plugin-istanbul "^4.1.5"
     babel-preset-jest "^22.0.3"
 
+babel-jest@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.4.0.tgz#79479739c87a39327383bb944a0a8a2deb5c9b4d"
+  dependencies:
+    babel-plugin-istanbul "^4.1.5"
+    babel-preset-jest "^22.2.0"
+
 babel-messages@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
@@ -382,6 +389,10 @@ babel-plugin-jest-hoist@^22.0.3:
   version "22.0.3"
   resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.0.3.tgz#62cde5fe962fd41ae89c119f481ca5cd7dd48bb4"
 
+babel-plugin-jest-hoist@^22.2.0:
+  version "22.2.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.2.0.tgz#bd34f39d652406669713b8c89e23ef25c890b993"
+
 babel-plugin-syntax-flow@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-flow/-/babel-plugin-syntax-flow-6.18.0.tgz#4c3ab20a2af26aa20cd25995c398c4eb70310c8d"
@@ -418,6 +429,13 @@ babel-preset-jest@^22.0.3:
     babel-plugin-jest-hoist "^22.0.3"
     babel-plugin-syntax-object-rest-spread "^6.13.0"
 
+babel-preset-jest@^22.2.0:
+  version "22.2.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.2.0.tgz#f77b43f06ef4d8547214b2e206cc76a25c3ba0e2"
+  dependencies:
+    babel-plugin-jest-hoist "^22.2.0"
+    babel-plugin-syntax-object-rest-spread "^6.13.0"
+
 babel-register@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.26.0.tgz#6ed021173e2fcb486d7acb45c6009a856f647071"
@@ -492,10 +510,6 @@ binary-extensions@^1.0.0:
   version "1.11.0"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.11.0.tgz#46aa1751fb6a2f93ee5e689bb1087d4b14c6c205"
 
-bindings@^1.2.1:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.3.0.tgz#b346f6ecf6a95f5a815c5839fc7cdb22502f1ed7"
-
 block-stream@*:
   version "0.0.9"
   resolved "https://registry.yarnpkg.com/block-stream/-/block-stream-0.0.9.tgz#13ebfe778a03205cfe03751481ebb4b3300c126a"
@@ -1125,6 +1139,10 @@ exit-hook@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/exit-hook/-/exit-hook-1.1.1.tgz#f05ca233b48c05d54fff07765df8507e95c02ff8"
 
+exit@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/exit/-/exit-0.1.2.tgz#0632638f8d877cc82107d30a0fff1a17cba1cd0c"
+
 expand-brackets@^0.1.4:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
@@ -1137,16 +1155,16 @@ expand-range@^1.8.1:
   dependencies:
     fill-range "^2.1.0"
 
-expect@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/expect/-/expect-22.0.3.tgz#bb486de7d41bf3eb60d3b16dfd1c158a4d91ddfa"
+expect@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/expect/-/expect-22.4.0.tgz#371edf1ae15b83b5bf5ec34b42f1584660a36c16"
   dependencies:
     ansi-styles "^3.2.0"
-    jest-diff "^22.0.3"
-    jest-get-type "^22.0.3"
-    jest-matcher-utils "^22.0.3"
-    jest-message-util "^22.0.3"
-    jest-regex-util "^22.0.3"
+    jest-diff "^22.4.0"
+    jest-get-type "^22.1.0"
+    jest-matcher-utils "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-regex-util "^22.1.0"
 
 extend@~3.0.0, extend@~3.0.1:
   version "3.0.1"
@@ -1574,6 +1592,13 @@ ignore@^3.3.3:
   version "3.3.7"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
 
+import-local@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/import-local/-/import-local-1.0.0.tgz#5e4ffdc03f4fe6c009c6729beb29631c2f8227bc"
+  dependencies:
+    pkg-dir "^2.0.0"
+    resolve-cwd "^2.0.0"
+
 imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
@@ -1708,6 +1733,10 @@ is-fullwidth-code-point@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
 
+is-generator-fn@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-generator-fn/-/is-generator-fn-1.0.0.tgz#969d49e1bb3329f6bb7f09089be26578b2ddd46a"
+
 is-glob@^2.0.0, is-glob@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-2.0.1.tgz#d096f926a3ded5600f3fdfd91198cb0888c2d863"
@@ -1883,40 +1912,43 @@ istanbul-reports@^1.1.3:
   dependencies:
     handlebars "^4.0.3"
 
-jest-changed-files@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-22.0.3.tgz#3771315acfa24a0ed7e6c545de620db6f1b2d164"
+jest-changed-files@^22.2.0:
+  version "22.2.0"
+  resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-22.2.0.tgz#517610c4a8ca0925bdc88b0ca53bd678aa8d019e"
   dependencies:
     throat "^4.0.0"
 
-jest-cli@^22.0.4:
-  version "22.0.4"
-  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.0.4.tgz#0052abaad45c57861c05da8ab5d27bad13ad224d"
+jest-cli@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.4.0.tgz#234d6175166e87ecab40c6e5a4f7b3f6a4cd4257"
   dependencies:
     ansi-escapes "^3.0.0"
     chalk "^2.0.1"
+    exit "^0.1.2"
     glob "^7.1.2"
     graceful-fs "^4.1.11"
+    import-local "^1.0.0"
     is-ci "^1.0.10"
     istanbul-api "^1.1.14"
     istanbul-lib-coverage "^1.1.1"
     istanbul-lib-instrument "^1.8.0"
     istanbul-lib-source-maps "^1.2.1"
-    jest-changed-files "^22.0.3"
-    jest-config "^22.0.4"
-    jest-environment-jsdom "^22.0.4"
-    jest-get-type "^22.0.3"
-    jest-haste-map "^22.0.3"
-    jest-message-util "^22.0.3"
-    jest-regex-util "^22.0.3"
-    jest-resolve-dependencies "^22.0.3"
-    jest-runner "^22.0.4"
-    jest-runtime "^22.0.4"
-    jest-snapshot "^22.0.3"
-    jest-util "^22.0.4"
-    jest-worker "^22.0.3"
+    jest-changed-files "^22.2.0"
+    jest-config "^22.4.0"
+    jest-environment-jsdom "^22.4.0"
+    jest-get-type "^22.1.0"
+    jest-haste-map "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-regex-util "^22.1.0"
+    jest-resolve-dependencies "^22.1.0"
+    jest-runner "^22.4.0"
+    jest-runtime "^22.4.0"
+    jest-snapshot "^22.4.0"
+    jest-util "^22.4.0"
+    jest-validate "^22.4.0"
+    jest-worker "^22.2.2"
     micromatch "^2.3.11"
-    node-notifier "^5.1.2"
+    node-notifier "^5.2.1"
     realpath-native "^1.0.0"
     rimraf "^2.5.4"
     slash "^1.0.0"
@@ -1925,108 +1957,109 @@ jest-cli@^22.0.4:
     which "^1.2.12"
     yargs "^10.0.3"
 
-jest-config@^22.0.4:
-  version "22.0.4"
-  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.0.4.tgz#9c2a46c0907b1a1af54d9cdbf18e99b447034e11"
+jest-config@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.4.0.tgz#34ab50ff52e68a3b0f2dd5df91bfd9b8cf2aa474"
   dependencies:
     chalk "^2.0.1"
     glob "^7.1.1"
-    jest-environment-jsdom "^22.0.4"
-    jest-environment-node "^22.0.4"
-    jest-get-type "^22.0.3"
-    jest-jasmine2 "^22.0.4"
-    jest-regex-util "^22.0.3"
-    jest-resolve "^22.0.4"
-    jest-util "^22.0.4"
-    jest-validate "^22.0.3"
-    pretty-format "^22.0.3"
-
-jest-diff@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-22.0.3.tgz#ffed5aba6beaf63bb77819ba44dd520168986321"
+    jest-environment-jsdom "^22.4.0"
+    jest-environment-node "^22.4.0"
+    jest-get-type "^22.1.0"
+    jest-jasmine2 "^22.4.0"
+    jest-regex-util "^22.1.0"
+    jest-resolve "^22.4.0"
+    jest-util "^22.4.0"
+    jest-validate "^22.4.0"
+    pretty-format "^22.4.0"
+
+jest-diff@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-22.4.0.tgz#384c2b78519ca44ca126382df53f134289232525"
   dependencies:
     chalk "^2.0.1"
     diff "^3.2.0"
-    jest-get-type "^22.0.3"
-    pretty-format "^22.0.3"
+    jest-get-type "^22.1.0"
+    pretty-format "^22.4.0"
 
 jest-docblock@^21.0.0:
   version "21.2.0"
   resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-21.2.0.tgz#51529c3b30d5fd159da60c27ceedc195faf8d414"
 
-jest-docblock@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-22.0.3.tgz#c33aa22682b9fc68a5373f5f82994428a2ded601"
+jest-docblock@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-22.4.0.tgz#dbf1877e2550070cfc4d9b07a55775a0483159b8"
   dependencies:
     detect-newline "^2.1.0"
 
-jest-environment-jsdom@^22.0.4:
-  version "22.0.4"
-  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.0.4.tgz#5723d4e724775ed38948de792e62f2d6a7f452df"
+jest-environment-jsdom@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.4.0.tgz#09df84a1faf1ca47096aafc89411a095378f628e"
   dependencies:
-    jest-mock "^22.0.3"
-    jest-util "^22.0.4"
+    jest-mock "^22.2.0"
+    jest-util "^22.4.0"
     jsdom "^11.5.1"
 
-jest-environment-node@^22.0.4:
-  version "22.0.4"
-  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.0.4.tgz#068671f85a545f96a5469be3a3dd228fca79c709"
+jest-environment-node@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.4.0.tgz#b6d9458275053028d4b1658851c3475ab22dfb56"
   dependencies:
-    jest-mock "^22.0.3"
-    jest-util "^22.0.4"
+    jest-mock "^22.2.0"
+    jest-util "^22.4.0"
 
 jest-get-type@^21.2.0:
   version "21.2.0"
   resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-21.2.0.tgz#f6376ab9db4b60d81e39f30749c6c466f40d4a23"
 
-jest-get-type@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.0.3.tgz#fa894b677c0fcd55eff3fd8ee28c7be942e32d36"
+jest-get-type@^22.1.0:
+  version "22.1.0"
+  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.1.0.tgz#4e90af298ed6181edc85d2da500dbd2753e0d5a9"
 
-jest-haste-map@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.0.3.tgz#c9ecb5c871c5465d4bde4139e527fa0dc784aa2d"
+jest-haste-map@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.4.0.tgz#7a2cadb32ce1fe9352a57841437b000f1624f14d"
   dependencies:
     fb-watchman "^2.0.0"
     graceful-fs "^4.1.11"
-    jest-docblock "^22.0.3"
-    jest-worker "^22.0.3"
+    jest-docblock "^22.4.0"
+    jest-serializer "^22.4.0"
+    jest-worker "^22.2.2"
     micromatch "^2.3.11"
     sane "^2.0.0"
 
-jest-jasmine2@^22.0.4:
-  version "22.0.4"
-  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.0.4.tgz#f7c0965116efe831ec674dc954b0134639b3dcee"
+jest-jasmine2@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.4.0.tgz#1d9b607ede12a600ecadda2c8d89918d7d3c4d26"
   dependencies:
     callsites "^2.0.0"
     chalk "^2.0.1"
-    expect "^22.0.3"
+    co "^4.6.0"
+    expect "^22.4.0"
     graceful-fs "^4.1.11"
-    jest-diff "^22.0.3"
-    jest-matcher-utils "^22.0.3"
-    jest-message-util "^22.0.3"
-    jest-snapshot "^22.0.3"
+    is-generator-fn "^1.0.0"
+    jest-diff "^22.4.0"
+    jest-matcher-utils "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-snapshot "^22.4.0"
     source-map-support "^0.5.0"
 
-jest-leak-detector@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-22.0.3.tgz#b64904f0e8954a11edb79b0809ff4717fa762d99"
+jest-leak-detector@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-22.4.0.tgz#64da77f05b001c96d2062226e079f89989c4aa2f"
   dependencies:
-    pretty-format "^22.0.3"
-  optionalDependencies:
-    weak "^1.0.1"
+    pretty-format "^22.4.0"
 
-jest-matcher-utils@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-22.0.3.tgz#2ec15ca1af7dcabf4daddc894ccce224b948674e"
+jest-matcher-utils@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-22.4.0.tgz#d55f5faf2270462736bdf7c7485ee931c9d4b6a1"
   dependencies:
     chalk "^2.0.1"
-    jest-get-type "^22.0.3"
-    pretty-format "^22.0.3"
+    jest-get-type "^22.1.0"
+    pretty-format "^22.4.0"
 
-jest-message-util@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-22.0.3.tgz#bf674b2762ef2dd53facf2136423fcca264976df"
+jest-message-util@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-22.4.0.tgz#e3d861df16d2fee60cb2bc8feac2188a42579642"
   dependencies:
     "@babel/code-frame" "^7.0.0-beta.35"
     chalk "^2.0.1"
@@ -2034,57 +2067,60 @@ jest-message-util@^22.0.3:
     slash "^1.0.0"
     stack-utils "^1.0.1"
 
-jest-mock@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.0.3.tgz#c875e47b5b729c6c020a2fab317b275c0cf88961"
+jest-mock@^22.2.0:
+  version "22.2.0"
+  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.2.0.tgz#444b3f9488a7473adae09bc8a77294afded397a7"
 
-jest-regex-util@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-22.0.3.tgz#c5c10229de5ce2b27bf4347916d95b802ae9aa4d"
+jest-regex-util@^22.1.0:
+  version "22.1.0"
+  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-22.1.0.tgz#5daf2fe270074b6da63e5d85f1c9acc866768f53"
 
-jest-resolve-dependencies@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-22.0.3.tgz#202ddf370069702cd1865a1952fcc7e52c92720e"
+jest-resolve-dependencies@^22.1.0:
+  version "22.1.0"
+  resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-22.1.0.tgz#340e4139fb13315cd43abc054e6c06136be51e31"
   dependencies:
-    jest-regex-util "^22.0.3"
+    jest-regex-util "^22.1.0"
 
-jest-resolve@^22.0.4:
-  version "22.0.4"
-  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.0.4.tgz#a6e47f55e9388c7341b5e9732aedc6fe30906121"
+jest-resolve@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.4.0.tgz#c3550280d77c47c2885809e7dc8e42560f0b3e71"
   dependencies:
     browser-resolve "^1.11.2"
     chalk "^2.0.1"
 
-jest-runner@^22.0.4:
-  version "22.0.4"
-  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.0.4.tgz#3aa43a31b05ce8271539df580c2eb916023d3367"
-  dependencies:
-    jest-config "^22.0.4"
-    jest-docblock "^22.0.3"
-    jest-haste-map "^22.0.3"
-    jest-jasmine2 "^22.0.4"
-    jest-leak-detector "^22.0.3"
-    jest-message-util "^22.0.3"
-    jest-runtime "^22.0.4"
-    jest-util "^22.0.4"
-    jest-worker "^22.0.3"
+jest-runner@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.4.0.tgz#2509b82834ab4aa7e984ff464626397c556177a7"
+  dependencies:
+    exit "^0.1.2"
+    jest-config "^22.4.0"
+    jest-docblock "^22.4.0"
+    jest-haste-map "^22.4.0"
+    jest-jasmine2 "^22.4.0"
+    jest-leak-detector "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-runtime "^22.4.0"
+    jest-util "^22.4.0"
+    jest-worker "^22.2.2"
     throat "^4.0.0"
 
-jest-runtime@^22.0.4:
-  version "22.0.4"
-  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.0.4.tgz#8f69aa7b5fbb3acd35dc262cbf654e563f69b7b4"
+jest-runtime@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.4.0.tgz#a4e3e3709a2289725790ed51ca41526a5700ddc4"
   dependencies:
     babel-core "^6.0.0"
-    babel-jest "^22.0.4"
+    babel-jest "^22.4.0"
     babel-plugin-istanbul "^4.1.5"
     chalk "^2.0.1"
     convert-source-map "^1.4.0"
+    exit "^0.1.2"
     graceful-fs "^4.1.11"
-    jest-config "^22.0.4"
-    jest-haste-map "^22.0.3"
-    jest-regex-util "^22.0.3"
-    jest-resolve "^22.0.4"
-    jest-util "^22.0.4"
+    jest-config "^22.4.0"
+    jest-haste-map "^22.4.0"
+    jest-regex-util "^22.1.0"
+    jest-resolve "^22.4.0"
+    jest-util "^22.4.0"
+    jest-validate "^22.4.0"
     json-stable-stringify "^1.0.1"
     micromatch "^2.3.11"
     realpath-native "^1.0.0"
@@ -2093,27 +2129,30 @@ jest-runtime@^22.0.4:
     write-file-atomic "^2.1.0"
     yargs "^10.0.3"
 
-jest-snapshot@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-22.0.3.tgz#a949b393781d2fdb4773f6ea765dd67ad1da291e"
+jest-serializer@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-serializer/-/jest-serializer-22.4.0.tgz#b5d145b98c4b0d2c20ab686609adbb81fe23b566"
+
+jest-snapshot@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-22.4.0.tgz#03d3ce63f8fa7352388afc6a3c8b5ccc3a180ed7"
   dependencies:
     chalk "^2.0.1"
-    jest-diff "^22.0.3"
-    jest-matcher-utils "^22.0.3"
+    jest-diff "^22.4.0"
+    jest-matcher-utils "^22.4.0"
     mkdirp "^0.5.1"
     natural-compare "^1.4.0"
-    pretty-format "^22.0.3"
+    pretty-format "^22.4.0"
 
-jest-util@^22.0.4:
-  version "22.0.4"
-  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.0.4.tgz#d920a513e0645aaab030cee38e4fe7d5bed8bb6d"
+jest-util@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.4.0.tgz#ebdc147548d613c5faf7c7534051f59740c98ada"
   dependencies:
     callsites "^2.0.0"
     chalk "^2.0.1"
     graceful-fs "^4.1.11"
     is-ci "^1.0.10"
-    jest-message-util "^22.0.3"
-    jest-validate "^22.0.3"
+    jest-message-util "^22.4.0"
     mkdirp "^0.5.1"
 
 jest-validate@^21.1.0:
@@ -2125,18 +2164,19 @@ jest-validate@^21.1.0:
     leven "^2.1.0"
     pretty-format "^21.2.1"
 
-jest-validate@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.0.3.tgz#2850d949a36c48b1a40f7eebae1d8539126f7829"
+jest-validate@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.0.tgz#8bcbeaf7ac6893c90446daf0d9382b6de0651799"
   dependencies:
     chalk "^2.0.1"
-    jest-get-type "^22.0.3"
+    jest-config "^22.4.0"
+    jest-get-type "^22.1.0"
     leven "^2.1.0"
-    pretty-format "^22.0.3"
+    pretty-format "^22.4.0"
 
-jest-worker@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-22.0.3.tgz#30433faca67814a8f80559f75ab2ceaa61332fd2"
+jest-worker@^22.2.2:
+  version "22.2.2"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-22.2.2.tgz#c1f5dc39976884b81f68ec50cb8532b2cbab3390"
   dependencies:
     merge-stream "^1.0.1"
 
@@ -2501,7 +2541,7 @@ mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
 
-nan@^2.0.5, nan@^2.3.0:
+nan@^2.3.0:
   version "2.8.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.8.0.tgz#ed715f3fe9de02b57a5e6252d90a96675e1f085a"
 
@@ -2513,14 +2553,14 @@ node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
 
-node-notifier@^5.1.2:
-  version "5.1.2"
-  resolved "https://registry.yarnpkg.com/node-notifier/-/node-notifier-5.1.2.tgz#2fa9e12605fa10009d44549d6fcd8a63dde0e4ff"
+node-notifier@^5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/node-notifier/-/node-notifier-5.2.1.tgz#fa313dd08f5517db0e2502e5758d664ac69f9dea"
   dependencies:
     growly "^1.3.0"
-    semver "^5.3.0"
-    shellwords "^0.1.0"
-    which "^1.2.12"
+    semver "^5.4.1"
+    shellwords "^0.1.1"
+    which "^1.3.0"
 
 node-pre-gyp@^0.6.39:
   version "0.6.39"
@@ -2818,6 +2858,12 @@ pkg-dir@^1.0.0:
   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"
+  dependencies:
+    find-up "^2.1.0"
+
 pluralize@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
@@ -2849,9 +2895,9 @@ pretty-format@^21.2.1:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
 
-pretty-format@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-22.0.3.tgz#a2bfa59fc33ad24aa4429981bb52524b41ba5dd7"
+pretty-format@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-22.4.0.tgz#237b1f7e1c50ed03bc65c03ccc29d7c8bb7beb94"
   dependencies:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
@@ -3088,10 +3134,20 @@ require-uncached@^1.0.3:
     caller-path "^0.1.0"
     resolve-from "^1.0.0"
 
+resolve-cwd@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-cwd/-/resolve-cwd-2.0.0.tgz#00a9f7387556e27038eae232caa372a6a59b665a"
+  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"
+
 resolve@1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
@@ -3194,7 +3250,7 @@ shebang-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
-shellwords@^0.1.0:
+shellwords@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
 
@@ -3592,13 +3648,6 @@ weak-map@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/weak-map/-/weak-map-1.0.5.tgz#79691584d98607f5070bd3b70a40e6bb22e401eb"
 
-weak@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/weak/-/weak-1.0.1.tgz#ab99aab30706959aa0200cb8cf545bb9cb33b99e"
-  dependencies:
-    bindings "^1.2.1"
-    nan "^2.0.5"
-
 webidl-conversions@^4.0.1, webidl-conversions@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
@@ -3621,7 +3670,7 @@ which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
 
-which@^1.2.10, which@^1.2.12, which@^1.2.9:
+which@^1.2.10, which@^1.2.12, which@^1.2.9, which@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
   dependencies: