diff --git a/package.json b/package.json
index 1ff8a49..6b0f491 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.7.2",
-    "@babel/plugin-proposal-class-properties": "^7.7.0",
+    "@babel/plugin-proposal-class-properties": "^7.12.1",
     "@babel/plugin-syntax-dynamic-import": "^7.2.0",
     "@babel/preset-env": "^7.7.1",
     "@babel/preset-react": "^7.7.0",
diff --git a/yarn.lock b/yarn.lock
index 04ffae0..d22051a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9,6 +9,13 @@
   dependencies:
     "@babel/highlight" "^7.0.0"
 
+"@babel/code-frame@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.10.4.tgz#168da1a36e90da68ae8d49c0f1b48c7c6249213a"
+  integrity sha512-vG6SvB6oYEhvgisZNFRmRCUkLz11c7rp+tbNTynGqc6mS1d5ATd/sGyV6W0KZZnXRKMTzZDRgQT3Ou9jhpAfUg==
+  dependencies:
+    "@babel/highlight" "^7.10.4"
+
 "@babel/core@7.6.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.6.0.tgz#9b00f73554edd67bebc86df8303ef678be3d7b48"
@@ -49,6 +56,15 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
+"@babel/generator@^7.12.1":
+  version "7.12.1"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.12.1.tgz#0d70be32bdaa03d7c51c8597dda76e0df1f15468"
+  integrity sha512-DB+6rafIdc9o72Yc3/Ph5h+6hUjeOp66pF0naQBgUFFuPqzQwIlPTm3xZR7YNvduIMtkDIj2t21LSQwnbCrXvg==
+  dependencies:
+    "@babel/types" "^7.12.1"
+    jsesc "^2.5.1"
+    source-map "^0.5.0"
+
 "@babel/generator@^7.4.0", "@babel/generator@^7.6.0", "@babel/generator@^7.7.2":
   version "7.7.2"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.7.2.tgz#2f4852d04131a5e17ea4f6645488b5da66ebf3af"
@@ -91,17 +107,16 @@
     "@babel/traverse" "^7.7.0"
     "@babel/types" "^7.7.0"
 
-"@babel/helper-create-class-features-plugin@^7.5.5", "@babel/helper-create-class-features-plugin@^7.6.0", "@babel/helper-create-class-features-plugin@^7.7.0":
-  version "7.7.0"
-  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.7.0.tgz#bcdc223abbfdd386f94196ae2544987f8df775e8"
-  integrity sha512-MZiB5qvTWoyiFOgootmRSDV1udjIqJW/8lmxgzKq6oDqxdmHUjeP2ZUOmgHdYjmUVNABqRrHjYAYRvj8Eox/UA==
+"@babel/helper-create-class-features-plugin@^7.12.1", "@babel/helper-create-class-features-plugin@^7.5.5", "@babel/helper-create-class-features-plugin@^7.6.0", "@babel/helper-create-class-features-plugin@^7.7.0":
+  version "7.12.1"
+  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.12.1.tgz#3c45998f431edd4a9214c5f1d3ad1448a6137f6e"
+  integrity sha512-hkL++rWeta/OVOBTRJc9a5Azh5mt5WgZUGAKMD8JM141YsE08K//bp1unBBieO6rUKkIPyUE0USQ30jAy3Sk1w==
   dependencies:
-    "@babel/helper-function-name" "^7.7.0"
-    "@babel/helper-member-expression-to-functions" "^7.7.0"
-    "@babel/helper-optimise-call-expression" "^7.7.0"
-    "@babel/helper-plugin-utils" "^7.0.0"
-    "@babel/helper-replace-supers" "^7.7.0"
-    "@babel/helper-split-export-declaration" "^7.7.0"
+    "@babel/helper-function-name" "^7.10.4"
+    "@babel/helper-member-expression-to-functions" "^7.12.1"
+    "@babel/helper-optimise-call-expression" "^7.10.4"
+    "@babel/helper-replace-supers" "^7.12.1"
+    "@babel/helper-split-export-declaration" "^7.10.4"
 
 "@babel/helper-create-regexp-features-plugin@^7.7.0":
   version "7.7.2"
@@ -128,6 +143,15 @@
     "@babel/traverse" "^7.7.0"
     "@babel/types" "^7.7.0"
 
+"@babel/helper-function-name@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.10.4.tgz#d2d3b20c59ad8c47112fa7d2a94bc09d5ef82f1a"
+  integrity sha512-YdaSyz1n8gY44EmN7x44zBn9zQ1Ry2Y+3GTA+3vH6Mizke1Vw0aWDM66FOYEPw8//qKkmqOckrGgTYa+6sceqQ==
+  dependencies:
+    "@babel/helper-get-function-arity" "^7.10.4"
+    "@babel/template" "^7.10.4"
+    "@babel/types" "^7.10.4"
+
 "@babel/helper-function-name@^7.7.0":
   version "7.7.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.7.0.tgz#44a5ad151cfff8ed2599c91682dda2ec2c8430a3"
@@ -144,6 +168,13 @@
   dependencies:
     "@babel/types" "^7.7.0"
 
+"@babel/helper-get-function-arity@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.10.4.tgz#98c1cbea0e2332f33f9a4661b8ce1505b2c19ba2"
+  integrity sha512-EkN3YDB+SRDgiIUnNgcmiD361ti+AVbL3f3Henf6dqqUyr5dMsorno0lJWJuLhDhkI5sYEpgj6y9kB8AOU1I2A==
+  dependencies:
+    "@babel/types" "^7.10.4"
+
 "@babel/helper-hoist-variables@^7.7.0":
   version "7.7.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.7.0.tgz#b4552e4cfe5577d7de7b183e193e84e4ec538c81"
@@ -151,6 +182,13 @@
   dependencies:
     "@babel/types" "^7.7.0"
 
+"@babel/helper-member-expression-to-functions@^7.12.1":
+  version "7.12.1"
+  resolved "https://registry.yarnpkg.com/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.12.1.tgz#fba0f2fcff3fba00e6ecb664bb5e6e26e2d6165c"
+  integrity sha512-k0CIe3tXUKTRSoEx1LQEPFU9vRQfqHtl+kf8eNnDqb4AUJEy5pz6aIiog+YWtVm2jpggjS1laH68bPsR+KWWPQ==
+  dependencies:
+    "@babel/types" "^7.12.1"
+
 "@babel/helper-member-expression-to-functions@^7.7.0":
   version "7.7.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.7.0.tgz#472b93003a57071f95a541ea6c2b098398bcad8a"
@@ -177,6 +215,13 @@
     "@babel/types" "^7.7.0"
     lodash "^4.17.13"
 
+"@babel/helper-optimise-call-expression@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.10.4.tgz#50dc96413d594f995a77905905b05893cd779673"
+  integrity sha512-n3UGKY4VXwXThEiKrgRAoVPBMqeoPgHVqiHZOanAJCG9nQUL2pLRQirUzl0ioKclHGpGqRgIOkgcIJaIWLpygg==
+  dependencies:
+    "@babel/types" "^7.10.4"
+
 "@babel/helper-optimise-call-expression@^7.7.0":
   version "7.7.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.7.0.tgz#4f66a216116a66164135dc618c5d8b7a959f9365"
@@ -184,10 +229,10 @@
   dependencies:
     "@babel/types" "^7.7.0"
 
-"@babel/helper-plugin-utils@^7.0.0":
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.0.0.tgz#bbb3fbee98661c569034237cc03967ba99b4f250"
-  integrity sha512-CYAOUCARwExnEixLdB6sDm2dIJ/YgEAKDM1MOeMeZu9Ld/bDgVo8aiWrXwcY7OBh+1Ea2uUcVRcxKk0GJvW7QA==
+"@babel/helper-plugin-utils@^7.0.0", "@babel/helper-plugin-utils@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.10.4.tgz#2f75a831269d4f677de49986dff59927533cf375"
+  integrity sha512-O4KCvQA6lLiMU9l2eawBPMf1xPP8xPfB3iEQw150hOVTqj/rfXz0ThTb4HEzqQfs2Bmo5Ay8BzxfzVtBrr9dVg==
 
 "@babel/helper-regex@^7.0.0", "@babel/helper-regex@^7.4.4":
   version "7.5.5"
@@ -207,6 +252,16 @@
     "@babel/traverse" "^7.7.0"
     "@babel/types" "^7.7.0"
 
+"@babel/helper-replace-supers@^7.12.1":
+  version "7.12.1"
+  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.12.1.tgz#f15c9cc897439281891e11d5ce12562ac0cf3fa9"
+  integrity sha512-zJjTvtNJnCFsCXVi5rUInstLd/EIVNmIKA1Q9ynESmMBWPWd+7sdR+G4/wdu+Mppfep0XLyG2m7EBPvjCeFyrw==
+  dependencies:
+    "@babel/helper-member-expression-to-functions" "^7.12.1"
+    "@babel/helper-optimise-call-expression" "^7.10.4"
+    "@babel/traverse" "^7.12.1"
+    "@babel/types" "^7.12.1"
+
 "@babel/helper-replace-supers@^7.5.5", "@babel/helper-replace-supers@^7.7.0":
   version "7.7.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.7.0.tgz#d5365c8667fe7cbd13b8ddddceb9bd7f2b387512"
@@ -225,6 +280,13 @@
     "@babel/template" "^7.7.0"
     "@babel/types" "^7.7.0"
 
+"@babel/helper-split-export-declaration@^7.10.4", "@babel/helper-split-export-declaration@^7.11.0":
+  version "7.11.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.11.0.tgz#f8a491244acf6a676158ac42072911ba83ad099f"
+  integrity sha512-74Vejvp6mHkGE+m+k5vHY93FX2cAtrw1zXrZXRlG4l410Nm9PxfEiVTn1PjDPV5SnmieiueY4AFg2xqhNFuuZg==
+  dependencies:
+    "@babel/types" "^7.11.0"
+
 "@babel/helper-split-export-declaration@^7.7.0":
   version "7.7.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.7.0.tgz#1365e74ea6c614deeb56ebffabd71006a0eb2300"
@@ -232,6 +294,11 @@
   dependencies:
     "@babel/types" "^7.7.0"
 
+"@babel/helper-validator-identifier@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz#a78c7a7251e01f616512d31b10adcf52ada5e0d2"
+  integrity sha512-3U9y+43hz7ZM+rzG24Qe2mufW5KhvFg/NhnNph+i9mgCtdTCtMJuI1TMkrIUiK7Ix4PYlRF9I5dhqaLYA/ADXw==
+
 "@babel/helper-wrap-function@^7.7.0":
   version "7.7.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.7.0.tgz#15af3d3e98f8417a60554acbb6c14e75e0b33b74"
@@ -260,11 +327,25 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
+"@babel/highlight@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.10.4.tgz#7d1bdfd65753538fabe6c38596cdb76d9ac60143"
+  integrity sha512-i6rgnR/YgPEQzZZnbTHHuZdlE8qyoBNalD6F+q4vAFlcMEcqmkoG+mPqJYJCo63qPf74+Y1UZsl3l6f7/RIkmA==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.10.4"
+    chalk "^2.0.0"
+    js-tokens "^4.0.0"
+
 "@babel/parser@^7.0.0", "@babel/parser@^7.1.0", "@babel/parser@^7.4.3", "@babel/parser@^7.6.0", "@babel/parser@^7.7.0", "@babel/parser@^7.7.2":
   version "7.7.3"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.7.3.tgz#5fad457c2529de476a248f75b0f090b3060af043"
   integrity sha512-bqv+iCo9i+uLVbI0ILzKkvMorqxouI+GbV13ivcARXn9NNEabi2IEz912IgNpT/60BNXac5dgcfjb94NjsF33A==
 
+"@babel/parser@^7.10.4", "@babel/parser@^7.12.1":
+  version "7.12.3"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.12.3.tgz#a305415ebe7a6c7023b40b5122a0662d928334cd"
+  integrity sha512-kFsOS0IbsuhO5ojF8Hc8z/8vEIOkylVBrjiZUbLTE3XFe0Qi+uu6HjzQixkFaqr0ZPAMZcBVxEwmsnsLPZ2Xsw==
+
 "@babel/plugin-proposal-async-generator-functions@^7.2.0", "@babel/plugin-proposal-async-generator-functions@^7.7.0":
   version "7.7.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.7.0.tgz#83ef2d6044496b4c15d8b4904e2219e6dccc6971"
@@ -282,13 +363,13 @@
     "@babel/helper-create-class-features-plugin" "^7.5.5"
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-proposal-class-properties@^7.7.0":
-  version "7.7.0"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.7.0.tgz#ac54e728ecf81d90e8f4d2a9c05a890457107917"
-  integrity sha512-tufDcFA1Vj+eWvwHN+jvMN6QsV5o+vUlytNKrbMiCeDL0F2j92RURzUsUMWE5EJkLyWxjdUslCsMQa9FWth16A==
+"@babel/plugin-proposal-class-properties@^7.12.1":
+  version "7.12.1"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.12.1.tgz#a082ff541f2a29a4821065b8add9346c0c16e5de"
+  integrity sha512-cKp3dlQsFsEs5CWKnN7BnSHOd0EOW8EKpEjkoz1pO2E5KzIDNV9Ros1b0CnmbVgAGXJubOYVBOGCT1OmJwOI7w==
   dependencies:
-    "@babel/helper-create-class-features-plugin" "^7.7.0"
-    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-create-class-features-plugin" "^7.12.1"
+    "@babel/helper-plugin-utils" "^7.10.4"
 
 "@babel/plugin-proposal-decorators@7.6.0":
   version "7.6.0"
@@ -885,6 +966,15 @@
   dependencies:
     regenerator-runtime "^0.13.2"
 
+"@babel/template@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.10.4.tgz#3251996c4200ebc71d1a8fc405fba940f36ba278"
+  integrity sha512-ZCjD27cGJFUB6nmCB1Enki3r+L5kJveX9pq1SvAUKoICy6CZ9yD8xO086YXdYhvNjBdnekm4ZnaP5yC8Cs/1tA==
+  dependencies:
+    "@babel/code-frame" "^7.10.4"
+    "@babel/parser" "^7.10.4"
+    "@babel/types" "^7.10.4"
+
 "@babel/template@^7.4.0", "@babel/template@^7.6.0", "@babel/template@^7.7.0":
   version "7.7.0"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.7.0.tgz#4fadc1b8e734d97f56de39c77de76f2562e597d0"
@@ -909,6 +999,21 @@
     globals "^11.1.0"
     lodash "^4.17.13"
 
+"@babel/traverse@^7.12.1":
+  version "7.12.1"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.12.1.tgz#941395e0c5cc86d5d3e75caa095d3924526f0c1e"
+  integrity sha512-MA3WPoRt1ZHo2ZmoGKNqi20YnPt0B1S0GTZEPhhd+hw2KGUzBlHuVunj6K4sNuK+reEvyiPwtp0cpaqLzJDmAw==
+  dependencies:
+    "@babel/code-frame" "^7.10.4"
+    "@babel/generator" "^7.12.1"
+    "@babel/helper-function-name" "^7.10.4"
+    "@babel/helper-split-export-declaration" "^7.11.0"
+    "@babel/parser" "^7.12.1"
+    "@babel/types" "^7.12.1"
+    debug "^4.1.0"
+    globals "^11.1.0"
+    lodash "^4.17.19"
+
 "@babel/types@^7.0.0", "@babel/types@^7.3.0", "@babel/types@^7.4.0", "@babel/types@^7.4.4", "@babel/types@^7.6.0", "@babel/types@^7.7.0", "@babel/types@^7.7.1", "@babel/types@^7.7.2":
   version "7.7.2"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.7.2.tgz#550b82e5571dcd174af576e23f0adba7ffc683f7"
@@ -918,6 +1023,15 @@
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.10.4", "@babel/types@^7.11.0", "@babel/types@^7.12.1":
+  version "7.12.1"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.12.1.tgz#e109d9ab99a8de735be287ee3d6a9947a190c4ae"
+  integrity sha512-BzSY3NJBKM4kyatSOWh3D/JJ2O3CVzBybHWxtgxnggaxEuaSTTDqeiSb/xk9lrkw2Tbqyivw5ZU4rT+EfznQsA==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.10.4"
+    lodash "^4.17.19"
+    to-fast-properties "^2.0.0"
+
 "@cnakazawa/watch@^1.0.3":
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/@cnakazawa/watch/-/watch-1.0.3.tgz#099139eaec7ebf07a27c1786a3ff64f39464d2ef"
@@ -7260,6 +7374,11 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
 
+lodash@^4.17.19:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+
 log-symbols@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-2.2.0.tgz#5740e1c5d6f0dfda4ad9323b5332107ef6b4c40a"