diff --git a/package.json b/package.json
index f7a0ce8..3ec6684 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   "devDependencies": {
     "babel-cli": "^6.26.0",
     "babel-core": "^6.26.0",
-    "babel-eslint": "^8.0.1",
+    "babel-eslint": "^10.0.0",
     "babel-jest": "^21.2.0",
     "babel-loader": "^7.1.2",
     "babel-plugin-transform-flow-strip-types": "^6.22.0",
diff --git a/yarn.lock b/yarn.lock
index 80f1440..de038a3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,6 +2,84 @@
 # yarn lockfile v1
 
 
+"@babel/code-frame@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0.tgz#06e2ab19bdb535385559aabb5ba59729482800f8"
+  dependencies:
+    "@babel/highlight" "^7.0.0"
+
+"@babel/generator@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.0.0.tgz#1efd58bffa951dc846449e58ce3a1d7f02d393aa"
+  dependencies:
+    "@babel/types" "^7.0.0"
+    jsesc "^2.5.1"
+    lodash "^4.17.10"
+    source-map "^0.5.0"
+    trim-right "^1.0.1"
+
+"@babel/helper-function-name@^7.1.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz#a0ceb01685f73355d4360c1247f582bfafc8ff53"
+  dependencies:
+    "@babel/helper-get-function-arity" "^7.0.0"
+    "@babel/template" "^7.1.0"
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-get-function-arity@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0.tgz#83572d4320e2a4657263734113c42868b64e49c3"
+  dependencies:
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-split-export-declaration@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0.tgz#3aae285c0311c2ab095d997b8c9a94cad547d813"
+  dependencies:
+    "@babel/types" "^7.0.0"
+
+"@babel/highlight@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0.tgz#f710c38c8d458e6dd9a201afb637fcb781ce99e4"
+  dependencies:
+    chalk "^2.0.0"
+    esutils "^2.0.2"
+    js-tokens "^4.0.0"
+
+"@babel/parser@^7.0.0", "@babel/parser@^7.1.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.1.0.tgz#a7cd42cb3c12aec52e24375189a47b39759b783e"
+
+"@babel/template@^7.1.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.1.0.tgz#58cc9572e1bfe24fe1537fdf99d839d53e517e22"
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    "@babel/parser" "^7.1.0"
+    "@babel/types" "^7.0.0"
+
+"@babel/traverse@^7.0.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.1.0.tgz#503ec6669387efd182c3888c4eec07bcc45d91b2"
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    "@babel/generator" "^7.0.0"
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/helper-split-export-declaration" "^7.0.0"
+    "@babel/parser" "^7.1.0"
+    "@babel/types" "^7.0.0"
+    debug "^3.1.0"
+    globals "^11.1.0"
+    lodash "^4.17.10"
+
+"@babel/types@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0.tgz#6e191793d3c854d19c6749989e3bc55f0e962118"
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.17.10"
+    to-fast-properties "^2.0.0"
+
 "@firebase/webchannel-wrapper@^0.2.1":
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/@firebase/webchannel-wrapper/-/webchannel-wrapper-0.2.1.tgz#2c4dbc15edd1de4f656d543a6f512ded7978ef72"
@@ -320,14 +398,6 @@ babel-cli@^6.26.0:
   optionalDependencies:
     chokidar "^1.6.1"
 
-babel-code-frame@7.0.0-beta.0:
-  version "7.0.0-beta.0"
-  resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-7.0.0-beta.0.tgz#418a7b5f3f7dc9a4670e61b1158b4c5661bec98d"
-  dependencies:
-    chalk "^2.0.0"
-    esutils "^2.0.2"
-    js-tokens "^3.0.0"
-
 babel-code-frame@^6.22.0:
   version "6.22.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.22.0.tgz#027620bee567a88c32561574e7fd0801d33118e4"
@@ -392,14 +462,16 @@ babel-core@^6.17.0, babel-core@^6.26.0:
     slash "^1.0.0"
     source-map "^0.5.6"
 
-babel-eslint@^8.0.1:
-  version "8.0.1"
-  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-8.0.1.tgz#5d718be7a328625d006022eb293ed3008cbd6346"
+babel-eslint@^10.0.0:
+  version "10.0.0"
+  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-10.0.0.tgz#0bb43e6b11a119bf3defbb1ee2521f42e2d413c9"
   dependencies:
-    babel-code-frame "7.0.0-beta.0"
-    babel-traverse "7.0.0-beta.0"
-    babel-types "7.0.0-beta.0"
-    babylon "7.0.0-beta.22"
+    "@babel/code-frame" "^7.0.0"
+    "@babel/parser" "^7.0.0"
+    "@babel/traverse" "^7.0.0"
+    "@babel/types" "^7.0.0"
+    eslint-scope "3.7.1"
+    eslint-visitor-keys "^1.0.0"
 
 babel-generator@^6.18.0, babel-generator@^6.24.0:
   version "6.24.0"
@@ -486,15 +558,6 @@ babel-helper-explode-class@^6.24.1:
     babel-traverse "^6.24.1"
     babel-types "^6.24.1"
 
-babel-helper-function-name@7.0.0-beta.0:
-  version "7.0.0-beta.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-function-name/-/babel-helper-function-name-7.0.0-beta.0.tgz#d1b6779b647e5c5c31ebeb05e13b998e4d352d56"
-  dependencies:
-    babel-helper-get-function-arity "7.0.0-beta.0"
-    babel-template "7.0.0-beta.0"
-    babel-traverse "7.0.0-beta.0"
-    babel-types "7.0.0-beta.0"
-
 babel-helper-function-name@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz#d3475b8c03ed98242a25b48351ab18399d3580a9"
@@ -505,12 +568,6 @@ babel-helper-function-name@^6.24.1:
     babel-traverse "^6.24.1"
     babel-types "^6.24.1"
 
-babel-helper-get-function-arity@7.0.0-beta.0:
-  version "7.0.0-beta.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-get-function-arity/-/babel-helper-get-function-arity-7.0.0-beta.0.tgz#9d1ab7213bb5efe1ef1638a8ea1489969b5a8b6e"
-  dependencies:
-    babel-types "7.0.0-beta.0"
-
 babel-helper-get-function-arity@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.24.1.tgz#8f7782aa93407c41d3aa50908f89b031b1b6853d"
@@ -590,10 +647,6 @@ babel-loader@^7.1.2:
     loader-utils "^1.0.2"
     mkdirp "^0.5.1"
 
-babel-messages@7.0.0-beta.0:
-  version "7.0.0-beta.0"
-  resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-7.0.0-beta.0.tgz#6df01296e49fc8fbd0637394326a167f36da817b"
-
 babel-messages@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
@@ -1125,15 +1178,6 @@ babel-runtime@^6.26.0:
     core-js "^2.4.0"
     regenerator-runtime "^0.11.0"
 
-babel-template@7.0.0-beta.0:
-  version "7.0.0-beta.0"
-  resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-7.0.0-beta.0.tgz#85083cf9e4395d5e48bf5154d7a8d6991cafecfb"
-  dependencies:
-    babel-traverse "7.0.0-beta.0"
-    babel-types "7.0.0-beta.0"
-    babylon "7.0.0-beta.22"
-    lodash "^4.2.0"
-
 babel-template@^6.16.0, babel-template@^6.23.0, babel-template@^6.3.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.23.0.tgz#04d4f270adbb3aa704a8143ae26faa529238e638"
@@ -1154,20 +1198,6 @@ babel-template@^6.24.1, babel-template@^6.26.0:
     babylon "^6.18.0"
     lodash "^4.17.4"
 
-babel-traverse@7.0.0-beta.0:
-  version "7.0.0-beta.0"
-  resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-7.0.0-beta.0.tgz#da14be9b762f62a2f060db464eaafdd8cd072a41"
-  dependencies:
-    babel-code-frame "7.0.0-beta.0"
-    babel-helper-function-name "7.0.0-beta.0"
-    babel-messages "7.0.0-beta.0"
-    babel-types "7.0.0-beta.0"
-    babylon "7.0.0-beta.22"
-    debug "^3.0.1"
-    globals "^10.0.0"
-    invariant "^2.2.0"
-    lodash "^4.2.0"
-
 babel-traverse@^6.16.0, 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"
@@ -1196,14 +1226,6 @@ babel-traverse@^6.18.0, babel-traverse@^6.23.0, babel-traverse@^6.23.1:
     invariant "^2.2.0"
     lodash "^4.2.0"
 
-babel-types@7.0.0-beta.0:
-  version "7.0.0-beta.0"
-  resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-7.0.0-beta.0.tgz#eb8b6e556470e6dcc4aef982d79ad229469b5169"
-  dependencies:
-    esutils "^2.0.2"
-    lodash "^4.2.0"
-    to-fast-properties "^2.0.0"
-
 babel-types@^6.16.0, 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"
@@ -1229,10 +1251,6 @@ babelify@^7.3.0:
     babel-core "^6.0.14"
     object-assign "^4.0.0"
 
-babylon@7.0.0-beta.22:
-  version "7.0.0-beta.22"
-  resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.22.tgz#74f0ad82ed7c7c3cfeab74cf684f815104161b65"
-
 babylon@^6.11.0, babylon@^6.13.0, babylon@^6.15.0:
   version "6.16.1"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.16.1.tgz#30c5a22f481978a9e7f8cdfdf496b11d94b404d3"
@@ -2079,6 +2097,12 @@ debug@^3.0.1:
   dependencies:
     ms "2.0.0"
 
+debug@^3.1.0:
+  version "3.2.5"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.5.tgz#c2418fbfd7a29f4d4f70ff4cea604d4b64c46407"
+  dependencies:
+    ms "^2.1.1"
+
 debug@~2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
@@ -2637,13 +2661,17 @@ eslint-plugin-react@^7.4.0:
     jsx-ast-utils "^2.0.0"
     prop-types "^15.5.10"
 
-eslint-scope@^3.7.1:
+eslint-scope@3.7.1, eslint-scope@^3.7.1:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
   dependencies:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
+eslint-visitor-keys@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
+
 eslint@^4.8.0:
   version "4.8.0"
   resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.8.0.tgz#229ef0e354e0e61d837c7a80fdfba825e199815e"
@@ -3340,9 +3368,9 @@ globals-docs@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/globals-docs/-/globals-docs-2.3.0.tgz#dca4088af196f7800f4eba783eaeff335cb6759c"
 
-globals@^10.0.0:
-  version "10.1.0"
-  resolved "https://registry.yarnpkg.com/globals/-/globals-10.1.0.tgz#4425a1881be0d336b4a823a82a7be725d5dd987c"
+globals@^11.1.0:
+  version "11.7.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-11.7.0.tgz#a583faa43055b1aca771914bf68258e2fc125673"
 
 globals@^9.0.0:
   version "9.17.0"
@@ -4492,6 +4520,10 @@ js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
+js-tokens@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
+
 js-yaml@^3.7.0:
   version "3.8.3"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.3.tgz#33a05ec481c850c8875929166fe1beb61c728766"
@@ -4542,6 +4574,10 @@ 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"
@@ -4842,6 +4878,10 @@ lodash@^4.0.0, lodash@^4.11.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.2, l
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
+lodash@^4.17.10:
+  version "4.17.11"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+
 loglevel@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/loglevel/-/loglevel-1.4.1.tgz#95b383f91a3c2756fd4ab093667e4309161f2bcd"
@@ -5173,6 +5213,10 @@ ms@2.0.0, ms@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
+ms@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
+
 multicast-dns-service-types@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/multicast-dns-service-types/-/multicast-dns-service-types-1.1.0.tgz#899f11d9686e5e05cb91b35d5f0e63b773cfc901"