diff --git a/package.json b/package.json
index 6ddbf2ab..41fe4c08 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "eslint-plugin-react": "^7.1.0",
     "gzip-size": "^4.1.0",
     "husky": "^0.14.3",
-    "jest": "^22.4.2",
+    "jest": "^23.5.0",
     "prettier": "^1.13.4",
     "pretty-bytes": "^4.0.2",
     "pretty-quick": "^1.6.0",
diff --git a/src/__snapshots__/index.test.js.snap b/src/__snapshots__/index.test.js.snap
index 950b25a0..3c6a1a7d 100644
--- a/src/__snapshots__/index.test.js.snap
+++ b/src/__snapshots__/index.test.js.snap
@@ -98,7 +98,6 @@ exports[`links renders links with relative hrefs 1`] = `
           Child
         </h2>
         <a
-          aria-current={undefined}
           href="/dash"
           onClick={[Function]}
         >
@@ -168,21 +167,18 @@ exports[`links uses the right href in multiple root paths 1`] = `
                   /one/two
                 </div>
                 <a
-                  aria-current={undefined}
                   href="/one/two/three"
                   onClick={[Function]}
                 >
                   /one/two/three
                 </a>
                 <a
-                  aria-current={undefined}
                   href="/one"
                   onClick={[Function]}
                 >
                   /one
                 </a>
                 <a
-                  aria-current={undefined}
                   href="/"
                   onClick={[Function]}
                 >
diff --git a/yarn.lock b/yarn.lock
index 0afcaa44..0fb9c634 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,12 +2,48 @@
 # yarn lockfile v1
 
 
+"@babel/code-frame@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.51.tgz#bd71d9b192af978df915829d39d4094456439a0c"
+  dependencies:
+    "@babel/highlight" "7.0.0-beta.51"
+
 "@babel/code-frame@^7.0.0-beta.35":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.40.tgz#37e2b0cf7c56026b4b21d3927cadf81adec32ac6"
   dependencies:
     "@babel/highlight" "7.0.0-beta.40"
 
+"@babel/generator@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.0.0-beta.51.tgz#6c7575ffde761d07485e04baedc0392c6d9e30f6"
+  dependencies:
+    "@babel/types" "7.0.0-beta.51"
+    jsesc "^2.5.1"
+    lodash "^4.17.5"
+    source-map "^0.5.0"
+    trim-right "^1.0.1"
+
+"@babel/helper-function-name@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.51.tgz#21b4874a227cf99ecafcc30a90302da5a2640561"
+  dependencies:
+    "@babel/helper-get-function-arity" "7.0.0-beta.51"
+    "@babel/template" "7.0.0-beta.51"
+    "@babel/types" "7.0.0-beta.51"
+
+"@babel/helper-get-function-arity@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.51.tgz#3281b2d045af95c172ce91b20825d85ea4676411"
+  dependencies:
+    "@babel/types" "7.0.0-beta.51"
+
+"@babel/helper-split-export-declaration@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.51.tgz#8a6c3f66c4d265352fc077484f9f6e80a51ab978"
+  dependencies:
+    "@babel/types" "7.0.0-beta.51"
+
 "@babel/highlight@7.0.0-beta.40":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0-beta.40.tgz#b43d67d76bf46e1d10d227f68cddcd263786b255"
@@ -16,6 +52,50 @@
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
+"@babel/highlight@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0-beta.51.tgz#e8844ae25a1595ccfd42b89623b4376ca06d225d"
+  dependencies:
+    chalk "^2.0.0"
+    esutils "^2.0.2"
+    js-tokens "^3.0.0"
+
+"@babel/parser@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.0.0-beta.51.tgz#27cec2df409df60af58270ed8f6aa55409ea86f6"
+
+"@babel/template@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-beta.51.tgz#9602a40aebcf357ae9677e2532ef5fc810f5fbff"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.51"
+    "@babel/parser" "7.0.0-beta.51"
+    "@babel/types" "7.0.0-beta.51"
+    lodash "^4.17.5"
+
+"@babel/traverse@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.51.tgz#981daf2cec347a6231d3aa1d9e1803b03aaaa4a8"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.51"
+    "@babel/generator" "7.0.0-beta.51"
+    "@babel/helper-function-name" "7.0.0-beta.51"
+    "@babel/helper-split-export-declaration" "7.0.0-beta.51"
+    "@babel/parser" "7.0.0-beta.51"
+    "@babel/types" "7.0.0-beta.51"
+    debug "^3.1.0"
+    globals "^11.1.0"
+    invariant "^2.2.0"
+    lodash "^4.17.5"
+
+"@babel/types@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.51.tgz#d802b7b543b5836c778aa691797abf00f3d97ea9"
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.17.5"
+    to-fast-properties "^2.0.0"
+
 abab@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/abab/-/abab-1.0.4.tgz#5faad9c2c07f60dd76770f71cf025b62a63cfd4e"
@@ -119,11 +199,11 @@ anymatch@^1.3.0:
     micromatch "^2.1.5"
     normalize-path "^2.0.0"
 
-append-transform@^0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/append-transform/-/append-transform-0.4.0.tgz#d76ebf8ca94d276e247a36bad44a4b74ab611991"
+append-transform@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/append-transform/-/append-transform-1.0.0.tgz#046a52ae582a228bd72f58acfbe2967c678759ab"
   dependencies:
-    default-require-extensions "^1.0.0"
+    default-require-extensions "^2.0.0"
 
 aproba@^1.0.3:
   version "1.1.2"
@@ -449,12 +529,12 @@ babel-helpers@^6.24.1:
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
-babel-jest@^22.4.1:
-  version "22.4.1"
-  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.4.1.tgz#ff53ebca45957347f27ff4666a31499fbb4c4ddd"
+babel-jest@^23.4.2:
+  version "23.4.2"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-23.4.2.tgz#f276de67798a5d68f2d6e87ff518c2f6e1609877"
   dependencies:
-    babel-plugin-istanbul "^4.1.5"
-    babel-preset-jest "^22.4.1"
+    babel-plugin-istanbul "^4.1.6"
+    babel-preset-jest "^23.2.0"
 
 babel-messages@^6.23.0:
   version "6.23.0"
@@ -478,17 +558,18 @@ babel-plugin-external-helpers@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-istanbul@^4.1.5:
-  version "4.1.5"
-  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.5.tgz#6760cdd977f411d3e175bb064f2bc327d99b2b6e"
+babel-plugin-istanbul@^4.1.6:
+  version "4.1.6"
+  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
   dependencies:
+    babel-plugin-syntax-object-rest-spread "^6.13.0"
     find-up "^2.1.0"
-    istanbul-lib-instrument "^1.7.5"
-    test-exclude "^4.1.1"
+    istanbul-lib-instrument "^1.10.1"
+    test-exclude "^4.2.1"
 
-babel-plugin-jest-hoist@^22.4.1:
-  version "22.4.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.4.1.tgz#d712fe5da8b6965f3191dacddbefdbdf4fb66d63"
+babel-plugin-jest-hoist@^23.2.0:
+  version "23.2.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-23.2.0.tgz#e61fae05a1ca8801aadee57a6d66b8cefaf44167"
 
 babel-plugin-syntax-async-functions@^6.8.0:
   version "6.13.0"
@@ -823,11 +904,11 @@ babel-preset-flow@^6.23.0:
   dependencies:
     babel-plugin-transform-flow-strip-types "^6.22.0"
 
-babel-preset-jest@^22.4.1:
-  version "22.4.1"
-  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.4.1.tgz#efa2e5f5334242a9457a068452d7d09735db172a"
+babel-preset-jest@^23.2.0:
+  version "23.2.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-23.2.0.tgz#8ec7a03a138f001a1a8fb1e8113652bf1a55da46"
   dependencies:
-    babel-plugin-jest-hoist "^22.4.1"
+    babel-plugin-jest-hoist "^23.2.0"
     babel-plugin-syntax-object-rest-spread "^6.13.0"
 
 babel-preset-react@^6.24.1:
@@ -877,7 +958,7 @@ babel-template@^6.16.0, babel-template@^6.24.1, babel-template@^6.26.0:
     babylon "^6.18.0"
     lodash "^4.17.4"
 
-babel-traverse@^6.18.0, babel-traverse@^6.23.1, babel-traverse@^6.24.1, babel-traverse@^6.26.0:
+babel-traverse@^6.0.0, babel-traverse@^6.18.0, babel-traverse@^6.23.1, babel-traverse@^6.24.1, babel-traverse@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.26.0.tgz#46a9cbd7edcc62c8e5c064e2d2d8d0f4035766ee"
   dependencies:
@@ -891,7 +972,7 @@ babel-traverse@^6.18.0, babel-traverse@^6.23.1, babel-traverse@^6.24.1, babel-tr
     invariant "^2.2.2"
     lodash "^4.17.4"
 
-babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.23.0, babel-types@^6.24.1, babel-types@^6.26.0:
+babel-types@^6.0.0, babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.23.0, babel-types@^6.24.1, babel-types@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.26.0.tgz#a3b073f94ab49eb6fa55cd65227a334380632497"
   dependencies:
@@ -961,9 +1042,9 @@ browser-process-hrtime@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/browser-process-hrtime/-/browser-process-hrtime-0.1.2.tgz#425d68a58d3447f02a04aa894187fce8af8b7b8e"
 
-browser-resolve@^1.11.2:
-  version "1.11.2"
-  resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.2.tgz#8ff09b0a2c421718a1051c260b32e48f442938ce"
+browser-resolve@^1.11.3:
+  version "1.11.3"
+  resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.3.tgz#9b7cbb3d0f510e4cb86bdbd796124d28b5890af6"
   dependencies:
     resolve "1.1.7"
 
@@ -980,6 +1061,10 @@ 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"
+
 builtin-modules@^1.0.0, builtin-modules@^1.1.0, builtin-modules@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -1158,6 +1243,10 @@ commander@~2.13.0:
   version "2.13.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.13.0.tgz#6964bca67685df7c1f1430c584f07d7597885b9c"
 
+compare-versions@^3.1.0:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-3.3.1.tgz#1ede3172b713c15f7c7beb98cb74d2d82576dad3"
+
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
@@ -1279,11 +1368,11 @@ deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
 
-default-require-extensions@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/default-require-extensions/-/default-require-extensions-1.0.0.tgz#f37ea15d3e13ffd9b437d33e1a75b5fb97874cb8"
+default-require-extensions@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/default-require-extensions/-/default-require-extensions-2.0.0.tgz#f5f8fbb18a7d6d50b21f641f649ebb522cfe24f7"
   dependencies:
-    strip-bom "^2.0.0"
+    strip-bom "^3.0.0"
 
 define-properties@^1.1.2:
   version "1.1.2"
@@ -1387,6 +1476,12 @@ error-ex@^1.2.0:
   dependencies:
     is-arrayish "^0.2.1"
 
+error-ex@^1.3.1:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
+  dependencies:
+    is-arrayish "^0.2.1"
+
 es-abstract@^1.5.1, es-abstract@^1.7.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.10.0.tgz#1ecb36c197842a00d8ee4c2dfd8646bb97d60864"
@@ -1626,16 +1721,16 @@ expand-range@^1.8.1:
   dependencies:
     fill-range "^2.1.0"
 
-expect@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/expect/-/expect-22.4.0.tgz#371edf1ae15b83b5bf5ec34b42f1584660a36c16"
+expect@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/expect/-/expect-23.5.0.tgz#18999a0eef8f8acf99023fde766d9c323c2562ed"
   dependencies:
     ansi-styles "^3.2.0"
-    jest-diff "^22.4.0"
+    jest-diff "^23.5.0"
     jest-get-type "^22.1.0"
-    jest-matcher-utils "^22.4.0"
-    jest-message-util "^22.4.0"
-    jest-regex-util "^22.1.0"
+    jest-matcher-utils "^23.5.0"
+    jest-message-util "^23.4.0"
+    jest-regex-util "^23.3.0"
 
 extend@~3.0.0, extend@~3.0.1:
   version "3.0.1"
@@ -1895,6 +1990,10 @@ globals@^11.0.1:
   version "11.3.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-11.3.0.tgz#e04fdb7b9796d8adac9c8f64c14837b2313378b0"
 
+globals@^11.1.0:
+  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"
@@ -1947,7 +2046,7 @@ gzip-size@^4.1.0:
     duplexer "^0.1.1"
     pify "^3.0.0"
 
-handlebars@^4.0.3:
+handlebars@^4.0.11:
   version "4.0.11"
   resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.11.tgz#630a35dfe0294bc281edae6ffc5d329fc7982dcc"
   dependencies:
@@ -2143,6 +2242,12 @@ inquirer@^3.0.6:
     strip-ansi "^4.0.0"
     through "^2.3.6"
 
+invariant@^2.2.0, invariant@^2.2.4:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
+  dependencies:
+    loose-envify "^1.0.0"
+
 invariant@^2.2.2:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.2.tgz#9e1f56ac0acdb6bf303306f338be3b204ae60360"
@@ -2303,10 +2408,6 @@ is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
 
-is-utf8@^0.2.0:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
-
 isarray@1.0.0, isarray@^1.0.0, isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
@@ -2332,78 +2433,95 @@ isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
-istanbul-api@^1.1.14:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.2.2.tgz#e17cd519dd5ec4141197f246fdf380b75487f3b1"
+istanbul-api@^1.3.1:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.3.6.tgz#0c695f17e533131de8c49e0657175dcfd8af8a8f"
   dependencies:
     async "^2.1.4"
+    compare-versions "^3.1.0"
     fileset "^2.0.2"
-    istanbul-lib-coverage "^1.1.2"
-    istanbul-lib-hook "^1.1.0"
-    istanbul-lib-instrument "^1.9.2"
-    istanbul-lib-report "^1.1.3"
-    istanbul-lib-source-maps "^1.2.3"
-    istanbul-reports "^1.1.4"
+    istanbul-lib-coverage "^1.2.0"
+    istanbul-lib-hook "^1.2.0"
+    istanbul-lib-instrument "^2.1.0"
+    istanbul-lib-report "^1.1.4"
+    istanbul-lib-source-maps "^1.2.5"
+    istanbul-reports "^1.4.1"
     js-yaml "^3.7.0"
     mkdirp "^0.5.1"
     once "^1.4.0"
 
-istanbul-lib-coverage@^1.1.1, istanbul-lib-coverage@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.2.tgz#4113c8ff6b7a40a1ef7350b01016331f63afde14"
+istanbul-lib-coverage@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.2.0.tgz#f7d8f2e42b97e37fe796114cb0f9d68b5e3a4341"
 
-istanbul-lib-hook@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.1.0.tgz#8538d970372cb3716d53e55523dd54b557a8d89b"
+istanbul-lib-coverage@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.1.tgz#2aee0e073ad8c5f6a0b00e0dfbf52b4667472eda"
+
+istanbul-lib-hook@^1.2.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.2.1.tgz#f614ec45287b2a8fc4f07f5660af787575601805"
   dependencies:
-    append-transform "^0.4.0"
+    append-transform "^1.0.0"
 
-istanbul-lib-instrument@^1.7.5, istanbul-lib-instrument@^1.8.0, istanbul-lib-instrument@^1.9.2:
-  version "1.9.2"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.9.2.tgz#84905bf47f7e0b401d6b840da7bad67086b4aab6"
+istanbul-lib-instrument@^1.10.1:
+  version "1.10.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.10.1.tgz#724b4b6caceba8692d3f1f9d0727e279c401af7b"
   dependencies:
     babel-generator "^6.18.0"
     babel-template "^6.16.0"
     babel-traverse "^6.18.0"
     babel-types "^6.18.0"
     babylon "^6.18.0"
-    istanbul-lib-coverage "^1.1.2"
+    istanbul-lib-coverage "^1.2.0"
     semver "^5.3.0"
 
-istanbul-lib-report@^1.1.3:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.1.3.tgz#2df12188c0fa77990c0d2176d2d0ba3394188259"
+istanbul-lib-instrument@^2.1.0:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-2.3.2.tgz#b287cbae2b5f65f3567b05e2e29b275eaf92d25e"
   dependencies:
-    istanbul-lib-coverage "^1.1.2"
+    "@babel/generator" "7.0.0-beta.51"
+    "@babel/parser" "7.0.0-beta.51"
+    "@babel/template" "7.0.0-beta.51"
+    "@babel/traverse" "7.0.0-beta.51"
+    "@babel/types" "7.0.0-beta.51"
+    istanbul-lib-coverage "^2.0.1"
+    semver "^5.5.0"
+
+istanbul-lib-report@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.1.4.tgz#e886cdf505c4ebbd8e099e4396a90d0a28e2acb5"
+  dependencies:
+    istanbul-lib-coverage "^1.2.0"
     mkdirp "^0.5.1"
     path-parse "^1.0.5"
     supports-color "^3.1.2"
 
-istanbul-lib-source-maps@^1.2.1, istanbul-lib-source-maps@^1.2.3:
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.3.tgz#20fb54b14e14b3fb6edb6aca3571fd2143db44e6"
+istanbul-lib-source-maps@^1.2.4, istanbul-lib-source-maps@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.5.tgz#ffe6be4e7ab86d3603e4290d54990b14506fc9b1"
   dependencies:
     debug "^3.1.0"
-    istanbul-lib-coverage "^1.1.2"
+    istanbul-lib-coverage "^1.2.0"
     mkdirp "^0.5.1"
     rimraf "^2.6.1"
     source-map "^0.5.3"
 
-istanbul-reports@^1.1.4:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.1.4.tgz#5ccba5e22b7b5a5d91d5e0a830f89be334bf97bd"
+istanbul-reports@^1.4.1:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.5.0.tgz#c6c2867fa65f59eb7dcedb7f845dfc76aaee70f9"
   dependencies:
-    handlebars "^4.0.3"
+    handlebars "^4.0.11"
 
-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"
+jest-changed-files@^23.4.2:
+  version "23.4.2"
+  resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-23.4.2.tgz#1eed688370cd5eebafe4ae93d34bb3b64968fe83"
   dependencies:
     throat "^4.0.0"
 
-jest-cli@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.4.2.tgz#e6546dc651e13d164481aa3e76e53ac4f4edab06"
+jest-cli@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-23.5.0.tgz#d316b8e34a38a610a1efc4f0403d8ef8a55e4492"
   dependencies:
     ansi-escapes "^3.0.0"
     chalk "^2.0.1"
@@ -2412,129 +2530,143 @@ jest-cli@^22.4.2:
     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 "^22.2.0"
-    jest-config "^22.4.2"
-    jest-environment-jsdom "^22.4.1"
+    istanbul-api "^1.3.1"
+    istanbul-lib-coverage "^1.2.0"
+    istanbul-lib-instrument "^1.10.1"
+    istanbul-lib-source-maps "^1.2.4"
+    jest-changed-files "^23.4.2"
+    jest-config "^23.5.0"
+    jest-environment-jsdom "^23.4.0"
     jest-get-type "^22.1.0"
-    jest-haste-map "^22.4.2"
-    jest-message-util "^22.4.0"
-    jest-regex-util "^22.1.0"
-    jest-resolve-dependencies "^22.1.0"
-    jest-runner "^22.4.2"
-    jest-runtime "^22.4.2"
-    jest-snapshot "^22.4.0"
-    jest-util "^22.4.1"
-    jest-validate "^22.4.2"
-    jest-worker "^22.2.2"
+    jest-haste-map "^23.5.0"
+    jest-message-util "^23.4.0"
+    jest-regex-util "^23.3.0"
+    jest-resolve-dependencies "^23.5.0"
+    jest-runner "^23.5.0"
+    jest-runtime "^23.5.0"
+    jest-snapshot "^23.5.0"
+    jest-util "^23.4.0"
+    jest-validate "^23.5.0"
+    jest-watcher "^23.4.0"
+    jest-worker "^23.2.0"
     micromatch "^2.3.11"
     node-notifier "^5.2.1"
+    prompts "^0.1.9"
     realpath-native "^1.0.0"
     rimraf "^2.5.4"
     slash "^1.0.0"
     string-length "^2.0.0"
     strip-ansi "^4.0.0"
     which "^1.2.12"
-    yargs "^10.0.3"
+    yargs "^11.0.0"
 
-jest-config@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.4.2.tgz#580ba5819bf81a5e48f4fd470e8b81834f45c855"
+jest-config@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-23.5.0.tgz#3770fba03f7507ee15f3b8867c742e48f31a9773"
   dependencies:
+    babel-core "^6.0.0"
+    babel-jest "^23.4.2"
     chalk "^2.0.1"
     glob "^7.1.1"
-    jest-environment-jsdom "^22.4.1"
-    jest-environment-node "^22.4.1"
+    jest-environment-jsdom "^23.4.0"
+    jest-environment-node "^23.4.0"
     jest-get-type "^22.1.0"
-    jest-jasmine2 "^22.4.2"
-    jest-regex-util "^22.1.0"
-    jest-resolve "^22.4.2"
-    jest-util "^22.4.1"
-    jest-validate "^22.4.2"
-    pretty-format "^22.4.0"
+    jest-jasmine2 "^23.5.0"
+    jest-regex-util "^23.3.0"
+    jest-resolve "^23.5.0"
+    jest-util "^23.4.0"
+    jest-validate "^23.5.0"
+    micromatch "^2.3.11"
+    pretty-format "^23.5.0"
 
-jest-diff@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-22.4.0.tgz#384c2b78519ca44ca126382df53f134289232525"
+jest-diff@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-23.5.0.tgz#250651a433dd0050290a07642946cc9baaf06fba"
   dependencies:
     chalk "^2.0.1"
     diff "^3.2.0"
     jest-get-type "^22.1.0"
-    pretty-format "^22.4.0"
+    pretty-format "^23.5.0"
 
-jest-docblock@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-22.4.0.tgz#dbf1877e2550070cfc4d9b07a55775a0483159b8"
+jest-docblock@^23.2.0:
+  version "23.2.0"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-23.2.0.tgz#f085e1f18548d99fdd69b20207e6fd55d91383a7"
   dependencies:
     detect-newline "^2.1.0"
 
-jest-environment-jsdom@^22.4.1:
-  version "22.4.1"
-  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.4.1.tgz#754f408872441740100d3917e5ec40c74de6447f"
+jest-each@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-each/-/jest-each-23.5.0.tgz#77f7e2afe6132a80954b920006e78239862b10ba"
   dependencies:
-    jest-mock "^22.2.0"
-    jest-util "^22.4.1"
+    chalk "^2.0.1"
+    pretty-format "^23.5.0"
+
+jest-environment-jsdom@^23.4.0:
+  version "23.4.0"
+  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-23.4.0.tgz#056a7952b3fea513ac62a140a2c368c79d9e6023"
+  dependencies:
+    jest-mock "^23.2.0"
+    jest-util "^23.4.0"
     jsdom "^11.5.1"
 
-jest-environment-node@^22.4.1:
-  version "22.4.1"
-  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.4.1.tgz#418850eb654596b8d6e36c2021cbedbc23df8e16"
+jest-environment-node@^23.4.0:
+  version "23.4.0"
+  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-23.4.0.tgz#57e80ed0841dea303167cce8cd79521debafde10"
   dependencies:
-    jest-mock "^22.2.0"
-    jest-util "^22.4.1"
+    jest-mock "^23.2.0"
+    jest-util "^23.4.0"
 
 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@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.4.2.tgz#a90178e66146d4378bb076345a949071f3b015b4"
+jest-haste-map@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-23.5.0.tgz#d4ca618188bd38caa6cb20349ce6610e194a8065"
   dependencies:
     fb-watchman "^2.0.0"
     graceful-fs "^4.1.11"
-    jest-docblock "^22.4.0"
-    jest-serializer "^22.4.0"
-    jest-worker "^22.2.2"
+    invariant "^2.2.4"
+    jest-docblock "^23.2.0"
+    jest-serializer "^23.0.1"
+    jest-worker "^23.2.0"
     micromatch "^2.3.11"
     sane "^2.0.0"
 
-jest-jasmine2@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.4.2.tgz#dfd3d259579ed6f52510d8f1ab692808f0d40691"
+jest-jasmine2@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-23.5.0.tgz#05fe7f1788e650eeb5a03929e6461ea2e9f3db53"
   dependencies:
+    babel-traverse "^6.0.0"
     chalk "^2.0.1"
     co "^4.6.0"
-    expect "^22.4.0"
-    graceful-fs "^4.1.11"
+    expect "^23.5.0"
     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"
-    jest-util "^22.4.1"
-    source-map-support "^0.5.0"
+    jest-diff "^23.5.0"
+    jest-each "^23.5.0"
+    jest-matcher-utils "^23.5.0"
+    jest-message-util "^23.4.0"
+    jest-snapshot "^23.5.0"
+    jest-util "^23.4.0"
+    pretty-format "^23.5.0"
 
-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"
+jest-leak-detector@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-23.5.0.tgz#14ac2a785bd625160a2ea968fd5d98b7dcea3e64"
   dependencies:
-    pretty-format "^22.4.0"
+    pretty-format "^23.5.0"
 
-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"
+jest-matcher-utils@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-23.5.0.tgz#0e2ea67744cab78c9ab15011c4d888bdd3e49e2a"
   dependencies:
     chalk "^2.0.1"
     jest-get-type "^22.1.0"
-    pretty-format "^22.4.0"
+    pretty-format "^23.5.0"
 
-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"
+jest-message-util@^23.4.0:
+  version "23.4.0"
+  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-23.4.0.tgz#17610c50942349508d01a3d1e0bda2c079086a9f"
   dependencies:
     "@babel/code-frame" "^7.0.0-beta.35"
     chalk "^2.0.1"
@@ -2542,117 +2674,134 @@ jest-message-util@^22.4.0:
     slash "^1.0.0"
     stack-utils "^1.0.1"
 
-jest-mock@^22.2.0:
-  version "22.2.0"
-  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.2.0.tgz#444b3f9488a7473adae09bc8a77294afded397a7"
+jest-mock@^23.2.0:
+  version "23.2.0"
+  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-23.2.0.tgz#ad1c60f29e8719d47c26e1138098b6d18b261134"
 
-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-regex-util@^23.3.0:
+  version "23.3.0"
+  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-23.3.0.tgz#5f86729547c2785c4002ceaa8f849fe8ca471bc5"
 
-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"
+jest-resolve-dependencies@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-23.5.0.tgz#10c4d135beb9d2256de1fedc7094916c3ad74af7"
   dependencies:
-    jest-regex-util "^22.1.0"
+    jest-regex-util "^23.3.0"
+    jest-snapshot "^23.5.0"
 
-jest-resolve@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.4.2.tgz#25d88aa4147462c9c1c6a1ba16250d3794c24d00"
+jest-resolve@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-23.5.0.tgz#3b8e7f67e84598f0caf63d1530bd8534a189d0e6"
   dependencies:
-    browser-resolve "^1.11.2"
+    browser-resolve "^1.11.3"
     chalk "^2.0.1"
+    realpath-native "^1.0.0"
 
-jest-runner@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.4.2.tgz#19390ea9d99f768973e16f95a1efa351c0017e87"
+jest-runner@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-23.5.0.tgz#570f7a044da91648b5bb9b6baacdd511076c71d7"
   dependencies:
     exit "^0.1.2"
-    jest-config "^22.4.2"
-    jest-docblock "^22.4.0"
-    jest-haste-map "^22.4.2"
-    jest-jasmine2 "^22.4.2"
-    jest-leak-detector "^22.4.0"
-    jest-message-util "^22.4.0"
-    jest-runtime "^22.4.2"
-    jest-util "^22.4.1"
-    jest-worker "^22.2.2"
+    graceful-fs "^4.1.11"
+    jest-config "^23.5.0"
+    jest-docblock "^23.2.0"
+    jest-haste-map "^23.5.0"
+    jest-jasmine2 "^23.5.0"
+    jest-leak-detector "^23.5.0"
+    jest-message-util "^23.4.0"
+    jest-runtime "^23.5.0"
+    jest-util "^23.4.0"
+    jest-worker "^23.2.0"
+    source-map-support "^0.5.6"
     throat "^4.0.0"
 
-jest-runtime@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.4.2.tgz#0de0444f65ce15ee4f2e0055133fc7c17b9168f3"
+jest-runtime@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-23.5.0.tgz#eb503525a196dc32f2f9974e3482d26bdf7b63ce"
   dependencies:
     babel-core "^6.0.0"
-    babel-jest "^22.4.1"
-    babel-plugin-istanbul "^4.1.5"
+    babel-plugin-istanbul "^4.1.6"
     chalk "^2.0.1"
     convert-source-map "^1.4.0"
     exit "^0.1.2"
+    fast-json-stable-stringify "^2.0.0"
     graceful-fs "^4.1.11"
-    jest-config "^22.4.2"
-    jest-haste-map "^22.4.2"
-    jest-regex-util "^22.1.0"
-    jest-resolve "^22.4.2"
-    jest-util "^22.4.1"
-    jest-validate "^22.4.2"
-    json-stable-stringify "^1.0.1"
+    jest-config "^23.5.0"
+    jest-haste-map "^23.5.0"
+    jest-message-util "^23.4.0"
+    jest-regex-util "^23.3.0"
+    jest-resolve "^23.5.0"
+    jest-snapshot "^23.5.0"
+    jest-util "^23.4.0"
+    jest-validate "^23.5.0"
     micromatch "^2.3.11"
     realpath-native "^1.0.0"
     slash "^1.0.0"
     strip-bom "3.0.0"
     write-file-atomic "^2.1.0"
-    yargs "^10.0.3"
+    yargs "^11.0.0"
 
-jest-serializer@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest-serializer/-/jest-serializer-22.4.0.tgz#b5d145b98c4b0d2c20ab686609adbb81fe23b566"
+jest-serializer@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-serializer/-/jest-serializer-23.0.1.tgz#a3776aeb311e90fe83fab9e533e85102bd164165"
 
-jest-snapshot@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-22.4.0.tgz#03d3ce63f8fa7352388afc6a3c8b5ccc3a180ed7"
+jest-snapshot@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-23.5.0.tgz#cc368ebd8513e1175e2a7277f37a801b7358ae79"
   dependencies:
+    babel-types "^6.0.0"
     chalk "^2.0.1"
-    jest-diff "^22.4.0"
-    jest-matcher-utils "^22.4.0"
+    jest-diff "^23.5.0"
+    jest-matcher-utils "^23.5.0"
+    jest-message-util "^23.4.0"
+    jest-resolve "^23.5.0"
     mkdirp "^0.5.1"
     natural-compare "^1.4.0"
-    pretty-format "^22.4.0"
+    pretty-format "^23.5.0"
+    semver "^5.5.0"
 
-jest-util@^22.4.1:
-  version "22.4.1"
-  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.4.1.tgz#dd17c3bdb067f8e90591563ec0c42bf847dc249f"
+jest-util@^23.4.0:
+  version "23.4.0"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-23.4.0.tgz#4d063cb927baf0a23831ff61bec2cbbf49793561"
   dependencies:
     callsites "^2.0.0"
     chalk "^2.0.1"
     graceful-fs "^4.1.11"
     is-ci "^1.0.10"
-    jest-message-util "^22.4.0"
+    jest-message-util "^23.4.0"
     mkdirp "^0.5.1"
+    slash "^1.0.0"
     source-map "^0.6.0"
 
-jest-validate@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.2.tgz#e789a4e056173bf97fe797a2df2d52105c57d4f4"
+jest-validate@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-23.5.0.tgz#f5df8f761cf43155e1b2e21d6e9de8a2852d0231"
   dependencies:
     chalk "^2.0.1"
-    jest-config "^22.4.2"
     jest-get-type "^22.1.0"
     leven "^2.1.0"
-    pretty-format "^22.4.0"
+    pretty-format "^23.5.0"
+
+jest-watcher@^23.4.0:
+  version "23.4.0"
+  resolved "https://registry.yarnpkg.com/jest-watcher/-/jest-watcher-23.4.0.tgz#d2e28ce74f8dad6c6afc922b92cabef6ed05c91c"
+  dependencies:
+    ansi-escapes "^3.0.0"
+    chalk "^2.0.1"
+    string-length "^2.0.0"
 
-jest-worker@^22.2.2:
-  version "22.2.2"
-  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-22.2.2.tgz#c1f5dc39976884b81f68ec50cb8532b2cbab3390"
+jest-worker@^23.2.0:
+  version "23.2.0"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-23.2.0.tgz#faf706a8da36fae60eb26957257fa7b5d8ea02b9"
   dependencies:
     merge-stream "^1.0.1"
 
-jest@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest/-/jest-22.4.2.tgz#34012834a49bf1bdd3bc783850ab44e4499afc20"
+jest@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/jest/-/jest-23.5.0.tgz#80de353d156ea5ea4a7332f7962ac79135fbc62e"
   dependencies:
     import-local "^1.0.0"
-    jest-cli "^22.4.2"
+    jest-cli "^23.5.0"
 
 js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
@@ -2715,10 +2864,18 @@ jsesc@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
 
+jsesc@^2.5.1:
+  version "2.5.1"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-2.5.1.tgz#e421a2a8e20d6b0819df28908f782526b96dd1fe"
+
 jsesc@~0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
 
+json-parse-better-errors@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
+
 json-schema-traverse@^0.3.0:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
@@ -2780,6 +2937,10 @@ kind-of@^4.0.0:
   dependencies:
     is-buffer "^1.1.5"
 
+kleur@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/kleur/-/kleur-2.0.1.tgz#7cc64b0d188d0dcbc98bdcdfdda2cc10619ddce8"
+
 lazy-cache@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
@@ -2811,16 +2972,6 @@ linkify-it@^2.0.0:
   dependencies:
     uc.micro "^1.0.1"
 
-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"
-  dependencies:
-    graceful-fs "^4.1.2"
-    parse-json "^2.2.0"
-    pify "^2.0.0"
-    pinkie-promise "^2.0.0"
-    strip-bom "^2.0.0"
-
 load-json-file@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-2.0.0.tgz#7947e42149af80d696cbf797bcaabcfe1fe29ca8"
@@ -2830,6 +2981,15 @@ load-json-file@^2.0.0:
     pify "^2.0.0"
     strip-bom "^3.0.0"
 
+load-json-file@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-4.0.0.tgz#2f5f45ab91e33216234fd53adab668eb4ec0993b"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^4.0.0"
+    pify "^3.0.0"
+    strip-bom "^3.0.0"
+
 locate-path@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
@@ -2853,6 +3013,10 @@ lodash@^4.17.4, lodash@^4.3.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
+lodash@^4.17.5:
+  version "4.17.10"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
+
 lodash@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-1.0.2.tgz#8f57560c83b59fc270bd3d561b690043430e2551"
@@ -3240,6 +3404,13 @@ parse-json@^2.2.0:
   dependencies:
     error-ex "^1.2.0"
 
+parse-json@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-4.0.0.tgz#be35f5425be1f7f6c747184f98a788cb99477ee0"
+  dependencies:
+    error-ex "^1.3.1"
+    json-parse-better-errors "^1.0.1"
+
 parse5@4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-4.0.0.tgz#6d78656e3da8d78b4ec0b906f7c08ef1dfe3f608"
@@ -3270,20 +3441,18 @@ path-parse@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
 
-path-type@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
-  dependencies:
-    graceful-fs "^4.1.2"
-    pify "^2.0.0"
-    pinkie-promise "^2.0.0"
-
 path-type@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-2.0.0.tgz#f012ccb8415b7096fc2daa1054c3d72389594c73"
   dependencies:
     pify "^2.0.0"
 
+path-type@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-3.0.0.tgz#cef31dc8e0a1a3bb0d105c0cd97cf3bf47f4e36f"
+  dependencies:
+    pify "^3.0.0"
+
 performance-now@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
@@ -3346,9 +3515,9 @@ pretty-bytes@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-4.0.2.tgz#b2bf82e7350d65c6c33aa95aaa5a4f6327f61cd9"
 
-pretty-format@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-22.4.0.tgz#237b1f7e1c50ed03bc65c03ccc29d7c8bb7beb94"
+pretty-format@^23.5.0:
+  version "23.5.0"
+  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-23.5.0.tgz#0f9601ad9da70fe690a269cd3efca732c210687c"
   dependencies:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
@@ -3391,6 +3560,13 @@ promise@^7.1.1:
   dependencies:
     asap "~2.0.3"
 
+prompts@^0.1.9:
+  version "0.1.14"
+  resolved "https://registry.yarnpkg.com/prompts/-/prompts-0.1.14.tgz#a8e15c612c5c9ec8f8111847df3337c9cbd443b2"
+  dependencies:
+    kleur "^2.0.1"
+    sisteransi "^0.1.1"
+
 prop-types@^15.6.0, prop-types@^15.6.1:
   version "15.6.1"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.6.1.tgz#36644453564255ddda391191fb3a125cbdf654ca"
@@ -3419,13 +3595,6 @@ qs@~6.5.1:
   version "6.5.1"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
 
-query-string@4.2.2:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/query-string/-/query-string-4.2.2.tgz#888a6fcb6f76070ba39f2f3025c87099defa1645"
-  dependencies:
-    object-assign "^4.1.0"
-    strict-uri-encode "^1.0.0"
-
 randomatic@^1.1.3:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-1.1.7.tgz#c7abe9cc8b87c0baa876b19fde83fd464797e38c"
@@ -3442,9 +3611,9 @@ rc@^1.1.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-react-dom@16.4:
-  version "16.4.0"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.4.0.tgz#099f067dd5827ce36a29eaf9a6cdc7cbf6216b1e"
+react-dom@16.4.1:
+  version "16.4.1"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.4.1.tgz#7f8b0223b3a5fbe205116c56deb85de32685dad6"
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"
@@ -3468,22 +3637,15 @@ react-test-renderer@16.4:
     prop-types "^15.6.0"
     react-is "^16.4.0"
 
-react@16.4:
-  version "16.4.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.4.0.tgz#402c2db83335336fba1962c08b98c6272617d585"
+react@16.4.1:
+  version "16.4.1"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.4.1.tgz#de51ba5764b5dbcd1f9079037b862bd26b82fe32"
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.0"
 
-read-pkg-up@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
-  dependencies:
-    find-up "^1.0.0"
-    read-pkg "^1.0.0"
-
 read-pkg-up@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-2.0.0.tgz#6b72a8048984e0c41e79510fd5e9fa99b3b549be"
@@ -3491,13 +3653,12 @@ read-pkg-up@^2.0.0:
     find-up "^2.0.0"
     read-pkg "^2.0.0"
 
-read-pkg@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
+read-pkg-up@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-3.0.0.tgz#3ed496685dba0f8fe118d0691dc51f4a1ff96f07"
   dependencies:
-    load-json-file "^1.0.0"
-    normalize-package-data "^2.3.2"
-    path-type "^1.0.0"
+    find-up "^2.0.0"
+    read-pkg "^3.0.0"
 
 read-pkg@^2.0.0:
   version "2.0.0"
@@ -3507,6 +3668,14 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
+read-pkg@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-3.0.0.tgz#9cbc686978fee65d16c00e2b19c237fcf6e38389"
+  dependencies:
+    load-json-file "^4.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^3.0.0"
+
 readable-stream@^2.0.1, readable-stream@^2.2.2:
   version "2.3.5"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.5.tgz#b4f85003a938cbb6ecbce2a124fb1012bd1a838d"
@@ -3854,6 +4023,10 @@ semver@^5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
 
+semver@^5.5.0:
+  version "5.5.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.1.tgz#7dfdd8814bdb7cabc7be0fb1d734cfb66c940477"
+
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
@@ -3888,6 +4061,10 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
+sisteransi@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-0.1.1.tgz#5431447d5f7d1675aac667ccd0b865a4994cb3ce"
+
 slash@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
@@ -3916,10 +4093,11 @@ source-map-support@^0.4.15:
   dependencies:
     source-map "^0.5.6"
 
-source-map-support@^0.5.0:
-  version "0.5.3"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.3.tgz#2b3d5fff298cfa4d1afd7d4352d569e9a0158e76"
+source-map-support@^0.5.6:
+  version "0.5.9"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.9.tgz#41bc953b2534267ea2d605bccfa7bfa3111ced5f"
   dependencies:
+    buffer-from "^1.0.0"
     source-map "^0.6.0"
 
 source-map@^0.4.4:
@@ -3928,7 +4106,7 @@ source-map@^0.4.4:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1:
+source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
@@ -3984,10 +4162,6 @@ stealthy-require@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/stealthy-require/-/stealthy-require-1.1.1.tgz#35b09875b4ff49f26a777e509b3090a3226bf24b"
 
-strict-uri-encode@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
-
 string-length@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/string-length/-/string-length-2.0.0.tgz#d40dbb686a3ace960c1cffca562bf2c45f8363ed"
@@ -4044,12 +4218,6 @@ strip-bom@3.0.0, strip-bom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
 
-strip-bom@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
-  dependencies:
-    is-utf8 "^0.2.0"
-
 strip-eof@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
@@ -4120,14 +4288,13 @@ tar@^2.2.1:
     fstream "^1.0.2"
     inherits "2"
 
-test-exclude@^4.1.1:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.2.0.tgz#07e3613609a362c74516a717515e13322ab45b3c"
+test-exclude@^4.2.1:
+  version "4.2.2"
+  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.2.2.tgz#8b67aa8408f84afc225b06669e25c510f8582820"
   dependencies:
     arrify "^1.0.1"
-    micromatch "^2.3.11"
-    object-assign "^4.1.0"
-    read-pkg-up "^1.0.1"
+    minimatch "^3.0.4"
+    read-pkg-up "^3.0.0"
     require-main-filename "^1.0.1"
 
 text-table@~0.2.0:
@@ -4160,6 +4327,10 @@ to-fast-properties@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
 
+to-fast-properties@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-2.0.0.tgz#dc5e698cbd079265bc73e0377681a4e4e83f616e"
+
 tough-cookie@>=2.3.3, tough-cookie@^2.3.3, tough-cookie@~2.3.3:
   version "2.3.4"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.4.tgz#ec60cee38ac675063ffc97a5c18970578ee83655"
@@ -4421,15 +4592,15 @@ yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
 
-yargs-parser@^8.1.0:
-  version "8.1.0"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-8.1.0.tgz#f1376a33b6629a5d063782944da732631e966950"
+yargs-parser@^9.0.2:
+  version "9.0.2"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-9.0.2.tgz#9ccf6a43460fe4ed40a9bb68f48d43b8a68cc077"
   dependencies:
     camelcase "^4.1.0"
 
-yargs@^10.0.3:
-  version "10.1.2"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-10.1.2.tgz#454d074c2b16a51a43e2fb7807e4f9de69ccb5c5"
+yargs@^11.0.0:
+  version "11.1.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
   dependencies:
     cliui "^4.0.0"
     decamelize "^1.1.1"
@@ -4442,7 +4613,7 @@ yargs@^10.0.3:
     string-width "^2.0.0"
     which-module "^2.0.0"
     y18n "^3.2.1"
-    yargs-parser "^8.1.0"
+    yargs-parser "^9.0.2"
 
 yargs@~3.10.0:
   version "3.10.0"