diff --git a/package.json b/package.json
index eed289d65e05054..995847c57b115be 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
   "devDependencies": {
     "babel-cli": "6.24.1",
     "babel-plugin-transform-async-to-generator": "6.24.1",
-    "chai": "3.5.0",
+    "chai": "4.0.1",
     "eslint": "3.19.0",
     "eslint-config-airbnb-base": "11.1.3",
     "eslint-config-prettier": "2.0.0",
diff --git a/yarn.lock b/yarn.lock
index 4875ccb19738ddd..30b021faab6905a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -27,8 +27,8 @@ acorn@^3.0.4:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
 
 acorn@^4.0.4:
-  version "4.0.11"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.11.tgz#edcda3bd937e7556410d42ed5860f67399c794c0"
+  version "4.0.13"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
 
 acorn@^5.0.1:
   version "5.0.3"
@@ -184,8 +184,8 @@ async@^1.4.0:
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
 async@^2.1.4:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.4.0.tgz#4990200f18ea5b837c2cc4f8c031a6985c385611"
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.4.1.tgz#62a56b279c98a11d0987096a01cc3eeb8eb7bbd7"
   dependencies:
     lodash "^4.14.0"
 
@@ -320,12 +320,12 @@ babel-messages@^6.23.0:
     babel-runtime "^6.22.0"
 
 babel-plugin-istanbul@^4.0.0:
-  version "4.1.3"
-  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.3.tgz#6ee6280410dcf59c7747518c3dfd98680958f102"
+  version "4.1.4"
+  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.4.tgz#18dde84bf3ce329fddf3f4103fae921456d8e587"
   dependencies:
     find-up "^2.1.0"
-    istanbul-lib-instrument "^1.7.1"
-    test-exclude "^4.1.0"
+    istanbul-lib-instrument "^1.7.2"
+    test-exclude "^4.1.1"
 
 babel-plugin-jest-hoist@^20.0.3:
   version "20.0.3"
@@ -414,8 +414,8 @@ babylon@7.0.0-beta.8:
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.8.tgz#2bdc5ae366041442c27e068cce6f0d7c06ea9949"
 
 babylon@^6.11.0, babylon@^6.13.0, babylon@^6.15.0:
-  version "6.17.1"
-  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.17.1.tgz#17f14fddf361b695981fe679385e4f1c01ebd86f"
+  version "6.17.2"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.17.2.tgz#201d25ef5f892c41bae49488b08db0dd476e9f5c"
 
 balanced-match@^0.4.1:
   version "0.4.2"
@@ -552,13 +552,16 @@ center-align@^0.1.1:
     align-text "^0.1.3"
     lazy-cache "^1.0.3"
 
-chai@3.5.0:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/chai/-/chai-3.5.0.tgz#4d02637b067fe958bdbfdd3a40ec56fef7373247"
+chai@4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-4.0.1.tgz#9e41e808e17a7f10807721e2ac5a589d5bb09082"
   dependencies:
     assertion-error "^1.0.1"
-    deep-eql "^0.1.3"
-    type-detect "^1.0.0"
+    check-error "^1.0.1"
+    deep-eql "^2.0.1"
+    get-func-name "^2.0.0"
+    pathval "^1.0.0"
+    type-detect "^4.0.0"
 
 chalk@1.1.3, chalk@^1.0.0, chalk@^1.1.0, chalk@^1.1.1, chalk@^1.1.3:
   version "1.1.3"
@@ -584,6 +587,10 @@ changelog@dylang/changelog#v1.2.0:
     semver "5.3.0"
     wordwrap "1.0.0"
 
+check-error@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
+
 chokidar@^1.6.1:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
@@ -806,8 +813,8 @@ dashdash@^1.12.0:
     assert-plus "^1.0.0"
 
 date-fns@^1.27.2:
-  version "1.28.4"
-  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-1.28.4.tgz#7938aec34ba31fc8bd134d2344bc2e0bbfd95165"
+  version "1.28.5"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-1.28.5.tgz#257cfc45d322df45ef5658665967ee841cd73faf"
 
 debug@2.2.0:
   version "2.2.0"
@@ -816,8 +823,8 @@ debug@2.2.0:
     ms "0.7.1"
 
 debug@^2.1.1, debug@^2.2.0, debug@^2.6.3:
-  version "2.6.7"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.7.tgz#92bad1f6d05bbb6bba22cca88bcd0ec894c2861e"
+  version "2.6.8"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
   dependencies:
     ms "2.0.0"
 
@@ -825,11 +832,11 @@ decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
-deep-eql@^0.1.3:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-0.1.3.tgz#ef558acab8de25206cd713906d74e56930eb69f2"
+deep-eql@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-2.0.2.tgz#b1bac06e56f0a76777686d50c9feb75c2ed7679a"
   dependencies:
-    type-detect "0.1.1"
+    type-detect "^3.0.0"
 
 deep-extend@~0.4.0:
   version "0.4.2"
@@ -922,8 +929,8 @@ error-ex@^1.2.0:
     is-arrayish "^0.2.1"
 
 es5-ext@^0.10.14, es5-ext@^0.10.9, es5-ext@~0.10.14:
-  version "0.10.18"
-  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.18.tgz#dc239d3dce4c22b9c939aa180878837a3c0b5c92"
+  version "0.10.22"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.22.tgz#1876c51f990769c112c781ea3ebe89f84fd39071"
   dependencies:
     es6-iterator "2"
     es6-symbol "~3.1"
@@ -1192,9 +1199,11 @@ extend@~3.0.0:
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
 
 external-editor@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-2.0.1.tgz#4c597c6c88fa6410e41dbbaa7b1be2336aa31095"
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-2.0.4.tgz#1ed9199da9cbfe2ef2f7a31b2fde8b0d12368972"
   dependencies:
+    iconv-lite "^0.4.17"
+    jschardet "^1.4.2"
     tmp "^0.0.31"
 
 extglob@^0.3.1:
@@ -1379,6 +1388,10 @@ 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-func-name@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
+
 get-stdin@5.0.1, get-stdin@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
@@ -1424,7 +1437,7 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
-glob@7.1.1, glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
+glob@7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.1.tgz#805211df04faaf1c63a3600306cdf5ade50b2ec8"
   dependencies:
@@ -1435,6 +1448,17 @@ glob@7.1.1, glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 globals@^9.0.0, globals@^9.14.0:
   version "9.17.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.17.0.tgz#0c0ca696d9b9bb694d2e5470bd37777caad50286"
@@ -1578,9 +1602,13 @@ iconv-lite@0.4.13:
   version "0.4.13"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.13.tgz#1f88aba4ab0b1508e8312acc39345f36e992e2f2"
 
+iconv-lite@^0.4.17:
+  version "0.4.17"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.17.tgz#4fdaa3b38acbc2c031b045d0edcdfe1ecab18c8d"
+
 ignore@^3.2.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.0.tgz#3812d22cbe9125f2c2b4915755a1b8abd745a001"
+  version "3.3.3"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.3.tgz#432352e57accd87ab3110e82d3fea0e47812156d"
 
 imurmurhash@^0.1.4:
   version "0.1.4"
@@ -1688,8 +1716,8 @@ is-ci@^1.0.10:
     ci-info "^1.0.0"
 
 is-dotfile@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.2.tgz#2c132383f39199f8edc268ca01b9b007d205cc4d"
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.3.tgz#a6a2f32ffd2dfb04f5ca25ecd0f6b83cf798a1e1"
 
 is-equal-shallow@^0.1.3:
   version "0.1.3"
@@ -1831,65 +1859,65 @@ isstream@0.1.x, isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
 istanbul-api@^1.1.1:
-  version "1.1.8"
-  resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.1.8.tgz#a844e55c6f9aeee292e7f42942196f60b23dc93e"
+  version "1.1.9"
+  resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.1.9.tgz#2827920d380d4286d857d57a2968a841db8a7ec8"
   dependencies:
     async "^2.1.4"
     fileset "^2.0.2"
-    istanbul-lib-coverage "^1.1.0"
-    istanbul-lib-hook "^1.0.6"
-    istanbul-lib-instrument "^1.7.1"
-    istanbul-lib-report "^1.1.0"
-    istanbul-lib-source-maps "^1.2.0"
-    istanbul-reports "^1.1.0"
+    istanbul-lib-coverage "^1.1.1"
+    istanbul-lib-hook "^1.0.7"
+    istanbul-lib-instrument "^1.7.2"
+    istanbul-lib-report "^1.1.1"
+    istanbul-lib-source-maps "^1.2.1"
+    istanbul-reports "^1.1.1"
     js-yaml "^3.7.0"
     mkdirp "^0.5.1"
     once "^1.4.0"
 
-istanbul-lib-coverage@^1.0.1, istanbul-lib-coverage@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.0.tgz#caca19decaef3525b5d6331d701f3f3b7ad48528"
+istanbul-lib-coverage@^1.0.1, istanbul-lib-coverage@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.1.tgz#73bfb998885299415c93d38a3e9adf784a77a9da"
 
-istanbul-lib-hook@^1.0.6:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.0.6.tgz#c0866d1e81cf2d5319249510131fc16dee49231f"
+istanbul-lib-hook@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.0.7.tgz#dd6607f03076578fe7d6f2a630cf143b49bacddc"
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@^1.4.2, istanbul-lib-instrument@^1.7.1:
-  version "1.7.1"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.7.1.tgz#169e31bc62c778851a99439dd99c3cc12184d360"
+istanbul-lib-instrument@^1.4.2, istanbul-lib-instrument@^1.7.2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.7.2.tgz#6014b03d3470fb77638d5802508c255c06312e56"
   dependencies:
     babel-generator "^6.18.0"
     babel-template "^6.16.0"
     babel-traverse "^6.18.0"
     babel-types "^6.18.0"
     babylon "^6.13.0"
-    istanbul-lib-coverage "^1.1.0"
+    istanbul-lib-coverage "^1.1.1"
     semver "^5.3.0"
 
-istanbul-lib-report@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.1.0.tgz#444c4ecca9afa93cf584f56b10f195bf768c0770"
+istanbul-lib-report@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.1.1.tgz#f0e55f56655ffa34222080b7a0cd4760e1405fc9"
   dependencies:
-    istanbul-lib-coverage "^1.1.0"
+    istanbul-lib-coverage "^1.1.1"
     mkdirp "^0.5.1"
     path-parse "^1.0.5"
     supports-color "^3.1.2"
 
-istanbul-lib-source-maps@^1.1.0, istanbul-lib-source-maps@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.0.tgz#8c7706d497e26feeb6af3e0c28fd5b0669598d0e"
+istanbul-lib-source-maps@^1.1.0, istanbul-lib-source-maps@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.1.tgz#a6fe1acba8ce08eebc638e572e294d267008aa0c"
   dependencies:
     debug "^2.6.3"
-    istanbul-lib-coverage "^1.1.0"
+    istanbul-lib-coverage "^1.1.1"
     mkdirp "^0.5.1"
     rimraf "^2.6.1"
     source-map "^0.5.3"
 
-istanbul-reports@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.1.0.tgz#1ef3b795889219cfb5fad16365f6ce108d5f8c66"
+istanbul-reports@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.1.1.tgz#042be5c89e175bc3f86523caab29c014e77fee4e"
   dependencies:
     handlebars "^4.0.3"
 
@@ -1898,8 +1926,8 @@ jest-changed-files@^20.0.3:
   resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-20.0.3.tgz#9394d5cc65c438406149bef1bf4d52b68e03e3f8"
 
 jest-cli@^20.0.0:
-  version "20.0.3"
-  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-20.0.3.tgz#fe88ddbb7a9f3a16d0ed55339a0a2424f7f0d361"
+  version "20.0.4"
+  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-20.0.4.tgz#e532b19d88ae5bc6c417e8b0593a6fe954b1dc93"
   dependencies:
     ansi-escapes "^1.4.0"
     callsites "^2.0.0"
@@ -1911,15 +1939,15 @@ jest-cli@^20.0.0:
     istanbul-lib-instrument "^1.4.2"
     istanbul-lib-source-maps "^1.1.0"
     jest-changed-files "^20.0.3"
-    jest-config "^20.0.3"
+    jest-config "^20.0.4"
     jest-docblock "^20.0.3"
     jest-environment-jsdom "^20.0.3"
-    jest-haste-map "^20.0.3"
-    jest-jasmine2 "^20.0.3"
+    jest-haste-map "^20.0.4"
+    jest-jasmine2 "^20.0.4"
     jest-message-util "^20.0.3"
     jest-regex-util "^20.0.3"
     jest-resolve-dependencies "^20.0.3"
-    jest-runtime "^20.0.3"
+    jest-runtime "^20.0.4"
     jest-snapshot "^20.0.3"
     jest-util "^20.0.3"
     micromatch "^2.3.11"
@@ -1932,18 +1960,18 @@ jest-cli@^20.0.0:
     worker-farm "^1.3.1"
     yargs "^7.0.2"
 
-jest-config@^20.0.3:
-  version "20.0.3"
-  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-20.0.3.tgz#a934f27eea764915801cdda26f6f8eec2ac79266"
+jest-config@^20.0.4:
+  version "20.0.4"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-20.0.4.tgz#e37930ab2217c913605eff13e7bd763ec48faeea"
   dependencies:
     chalk "^1.1.3"
     glob "^7.1.1"
     jest-environment-jsdom "^20.0.3"
     jest-environment-node "^20.0.3"
-    jest-jasmine2 "^20.0.3"
+    jest-jasmine2 "^20.0.4"
     jest-matcher-utils "^20.0.3"
     jest-regex-util "^20.0.3"
-    jest-resolve "^20.0.3"
+    jest-resolve "^20.0.4"
     jest-validate "^20.0.3"
     pretty-format "^20.0.3"
 
@@ -1975,9 +2003,9 @@ jest-environment-node@^20.0.3:
     jest-mock "^20.0.3"
     jest-util "^20.0.3"
 
-jest-haste-map@^20.0.3:
-  version "20.0.3"
-  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-20.0.3.tgz#6377d537eaf34eb5f75121a691cae3fde82ba971"
+jest-haste-map@^20.0.4:
+  version "20.0.4"
+  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-20.0.4.tgz#653eb55c889ce3c021f7b94693f20a4159badf03"
   dependencies:
     fb-watchman "^2.0.0"
     graceful-fs "^4.1.11"
@@ -1986,9 +2014,9 @@ jest-haste-map@^20.0.3:
     sane "~1.6.0"
     worker-farm "^1.3.1"
 
-jest-jasmine2@^20.0.3:
-  version "20.0.3"
-  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-20.0.3.tgz#18c4e9d029da7ed1ae727c55300064d1a0542974"
+jest-jasmine2@^20.0.4:
+  version "20.0.4"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-20.0.4.tgz#fcc5b1411780d911d042902ef1859e852e60d5e1"
   dependencies:
     chalk "^1.1.3"
     graceful-fs "^4.1.11"
@@ -2045,17 +2073,17 @@ jest-resolve-dependencies@^20.0.3:
   dependencies:
     jest-regex-util "^20.0.3"
 
-jest-resolve@^20.0.3:
-  version "20.0.3"
-  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-20.0.3.tgz#375307aa40f78532d40ff8b17d5300b1519f8dd4"
+jest-resolve@^20.0.4:
+  version "20.0.4"
+  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-20.0.4.tgz#9448b3e8b6bafc15479444c6499045b7ffe597a5"
   dependencies:
     browser-resolve "^1.11.2"
     is-builtin-module "^1.0.0"
     resolve "^1.3.2"
 
-jest-runtime@^20.0.3:
-  version "20.0.3"
-  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-20.0.3.tgz#dddd22bbc429e26e6a96d1acd46ca55714b09252"
+jest-runtime@^20.0.4:
+  version "20.0.4"
+  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-20.0.4.tgz#a2c802219c4203f754df1404e490186169d124d8"
   dependencies:
     babel-core "^6.0.0"
     babel-jest "^20.0.3"
@@ -2063,10 +2091,10 @@ jest-runtime@^20.0.3:
     chalk "^1.1.3"
     convert-source-map "^1.4.0"
     graceful-fs "^4.1.11"
-    jest-config "^20.0.3"
-    jest-haste-map "^20.0.3"
+    jest-config "^20.0.4"
+    jest-haste-map "^20.0.4"
     jest-regex-util "^20.0.3"
-    jest-resolve "^20.0.3"
+    jest-resolve "^20.0.4"
     jest-util "^20.0.3"
     json-stable-stringify "^1.0.1"
     micromatch "^2.3.11"
@@ -2141,6 +2169,10 @@ jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
 
+jschardet@^1.4.2:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/jschardet/-/jschardet-1.4.2.tgz#2aa107f142af4121d145659d44f50830961e699a"
+
 jsdom@^9.12.0:
   version "9.12.0"
   resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-9.12.0.tgz#e8c546fffcb06c00d4833ca84410fed7f8a097d4"
@@ -2433,7 +2465,7 @@ mimic-fn@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.1.0.tgz#e667783d92e89dbd342818b5230b9d62a672ad18"
 
-minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3:
+minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   dependencies:
@@ -2495,8 +2527,8 @@ node-notifier@^5.0.2:
     which "^1.2.12"
 
 node-pre-gyp@^0.6.29:
-  version "0.6.34"
-  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.6.34.tgz#94ad1c798a11d7fc67381b50d47f8cc18d9799f7"
+  version "0.6.36"
+  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.6.36.tgz#db604112cb74e0d477554e9b505b17abddfab786"
   dependencies:
     mkdirp "^0.5.1"
     nopt "^4.0.1"
@@ -2576,8 +2608,8 @@ number-is-nan@^1.0.0:
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
 
 "nwmatcher@>= 1.3.9 < 2.0.0":
-  version "1.3.9"
-  resolved "https://registry.yarnpkg.com/nwmatcher/-/nwmatcher-1.3.9.tgz#8bab486ff7fa3dfd086656bbe8b17116d3692d2a"
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/nwmatcher/-/nwmatcher-1.4.0.tgz#b4389362170e7ef9798c3c7716d80ebc0106fccf"
 
 oauth-sign@~0.8.1:
   version "0.8.2"
@@ -2756,6 +2788,10 @@ path-type@^2.0.0:
   dependencies:
     pify "^2.0.0"
 
+pathval@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
+
 performance-now@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
@@ -3330,10 +3366,10 @@ string-width@^2.0.0:
     strip-ansi "^3.0.0"
 
 string_decoder@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.0.tgz#f06f41157b664d86069f84bdbdc9b0d8ab281667"
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.1.tgz#62e200f039955a6810d8df0a33ffc0f013662d98"
   dependencies:
-    buffer-shims "~1.0.0"
+    safe-buffer "^5.0.1"
 
 stringstream@~0.0.4:
   version "0.0.5"
@@ -3425,9 +3461,9 @@ term-size@^0.1.0:
   dependencies:
     execa "^0.4.0"
 
-test-exclude@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.1.0.tgz#04ca70b7390dd38c98d4a003a173806ca7991c91"
+test-exclude@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.1.1.tgz#4d84964b0966b0087ecc334a2ce002d3d9341e26"
   dependencies:
     arrify "^1.0.1"
     micromatch "^2.3.11"
@@ -3507,21 +3543,21 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
-type-detect@0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-0.1.1.tgz#0ba5ec2a885640e470ea4e8505971900dac58822"
+type-detect@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-3.0.0.tgz#46d0cc8553abb7b13a352b0d6dea2fd58f2d9b55"
 
-type-detect@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-1.0.0.tgz#762217cc06db258ec48908a1298e8b95121e8ea2"
+type-detect@^4.0.0:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.3.tgz#0e3f2670b44099b0b46c284d136a7ef49c74c2ea"
 
 typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
 uglify-js@^2.6:
-  version "2.8.26"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.26.tgz#3a1db8ae0a0aba7f92e1ddadadbd0293d549f90e"
+  version "2.8.27"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.27.tgz#47787f912b0f242e5b984343be8e35e95f694c9c"
   dependencies:
     source-map "~0.5.1"
     yargs "~3.10.0"