diff --git a/packages/@vuepress/test-utils/package.json b/packages/@vuepress/test-utils/package.json
index 769ed55c5b..7937724ba2 100644
--- a/packages/@vuepress/test-utils/package.json
+++ b/packages/@vuepress/test-utils/package.json
@@ -16,8 +16,8 @@
     "generator"
   ],
   "dependencies": {
-    "@babel/core": "^7.0.0-beta.47",
-    "@babel/preset-env": "^7.0.0-beta.47",
+    "@babel/core": "^7.0.0",
+    "@babel/preset-env": "^7.0.0",
     "@vue/test-utils": "^1.0.0-beta.16",
     "@vuepress/core": "^1.0.0-alpha.23",
     "@vuepress/shared-utils": "^1.0.0-alpha.23",
diff --git a/yarn.lock b/yarn.lock
index 5dab7ea7de..5889989c9d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8,12 +8,6 @@
   dependencies:
     "@babel/highlight" "7.0.0-beta.44"
 
-"@babel/code-frame@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-rc.1.tgz#5c2154415d6c09959a71845ef519d11157e95d10"
-  dependencies:
-    "@babel/highlight" "7.0.0-rc.1"
-
 "@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"
@@ -45,25 +39,6 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/core@^7.0.0-beta.47":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.0.0-rc.1.tgz#53c84fd562e13325f123d5951184eec97b958204"
-  dependencies:
-    "@babel/code-frame" "7.0.0-rc.1"
-    "@babel/generator" "7.0.0-rc.1"
-    "@babel/helpers" "7.0.0-rc.1"
-    "@babel/parser" "7.0.0-rc.1"
-    "@babel/template" "7.0.0-rc.1"
-    "@babel/traverse" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-    convert-source-map "^1.1.0"
-    debug "^3.1.0"
-    json5 "^0.5.0"
-    lodash "^4.17.10"
-    resolve "^1.3.2"
-    semver "^5.4.1"
-    source-map "^0.5.0"
-
 "@babel/generator@7.0.0-beta.44":
   version "7.0.0-beta.44"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.0.0-beta.44.tgz#c7e67b9b5284afcf69b309b50d7d37f3e5033d42"
@@ -74,16 +49,6 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
-"@babel/generator@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.0.0-rc.1.tgz#739c87d70b31aeed802bd6bc9fd51480065c45e8"
-  dependencies:
-    "@babel/types" "7.0.0-rc.1"
-    jsesc "^2.5.1"
-    lodash "^4.17.10"
-    source-map "^0.5.0"
-    trim-right "^1.0.1"
-
 "@babel/generator@^7.1.2", "@babel/generator@^7.1.3":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.1.3.tgz#2103ec9c42d9bdad9190a6ad5ff2d456fd7b8673"
@@ -94,25 +59,12 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
-"@babel/helper-annotate-as-pure@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0-rc.1.tgz#4a9042a4a35f835d45c649f68f364cc7ed7dcb05"
-  dependencies:
-    "@babel/types" "7.0.0-rc.1"
-
 "@babel/helper-annotate-as-pure@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0.tgz#323d39dd0b50e10c7c06ca7d7638e6864d8c5c32"
   dependencies:
     "@babel/types" "^7.0.0"
 
-"@babel/helper-builder-binary-assignment-operator-visitor@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.0.0-rc.1.tgz#df64de2375585e23a0aaa5708ea137fb21157374"
-  dependencies:
-    "@babel/helper-explode-assignable-expression" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-
 "@babel/helper-builder-binary-assignment-operator-visitor@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.1.0.tgz#6b69628dfe4087798e0c4ed98e3d4a6b2fbd2f5f"
@@ -120,14 +72,6 @@
     "@babel/helper-explode-assignable-expression" "^7.1.0"
     "@babel/types" "^7.0.0"
 
-"@babel/helper-call-delegate@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-call-delegate/-/helper-call-delegate-7.0.0-rc.1.tgz#7516f71b13c81560bb91fb6b1fae3a1e0345d37d"
-  dependencies:
-    "@babel/helper-hoist-variables" "7.0.0-rc.1"
-    "@babel/traverse" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-
 "@babel/helper-call-delegate@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-call-delegate/-/helper-call-delegate-7.1.0.tgz#6a957f105f37755e8645343d3038a22e1449cc4a"
@@ -136,14 +80,6 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.0.0"
 
-"@babel/helper-define-map@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-define-map/-/helper-define-map-7.0.0-rc.1.tgz#a7f920b33651bc540253313b336864754926e75b"
-  dependencies:
-    "@babel/helper-function-name" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-    lodash "^4.17.10"
-
 "@babel/helper-define-map@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-define-map/-/helper-define-map-7.1.0.tgz#3b74caec329b3c80c116290887c0dd9ae468c20c"
@@ -152,13 +88,6 @@
     "@babel/types" "^7.0.0"
     lodash "^4.17.10"
 
-"@babel/helper-explode-assignable-expression@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.0.0-rc.1.tgz#114359f835a2d97161a895444e45b80317c6d765"
-  dependencies:
-    "@babel/traverse" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-
 "@babel/helper-explode-assignable-expression@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.1.0.tgz#537fa13f6f1674df745b0c00ec8fe4e99681c8f6"
@@ -174,14 +103,6 @@
     "@babel/template" "7.0.0-beta.44"
     "@babel/types" "7.0.0-beta.44"
 
-"@babel/helper-function-name@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-rc.1.tgz#20b2cc836a53c669f297c8d309fc553385c5cdde"
-  dependencies:
-    "@babel/helper-get-function-arity" "7.0.0-rc.1"
-    "@babel/template" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.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"
@@ -196,66 +117,30 @@
   dependencies:
     "@babel/types" "7.0.0-beta.44"
 
-"@babel/helper-get-function-arity@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-rc.1.tgz#60185957f72ed73766ce74c836ac574921743c46"
-  dependencies:
-    "@babel/types" "7.0.0-rc.1"
-
 "@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-hoist-variables@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.0.0-rc.1.tgz#6d0ff35d599fc7dd9dadaac444e99b7976238aec"
-  dependencies:
-    "@babel/types" "7.0.0-rc.1"
-
 "@babel/helper-hoist-variables@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.0.0.tgz#46adc4c5e758645ae7a45deb92bab0918c23bb88"
   dependencies:
     "@babel/types" "^7.0.0"
 
-"@babel/helper-member-expression-to-functions@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.0.0-rc.1.tgz#03a3b200fc00f8100dbcef9a351b69cfc0234b4f"
-  dependencies:
-    "@babel/types" "7.0.0-rc.1"
-
 "@babel/helper-member-expression-to-functions@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.0.0.tgz#8cd14b0a0df7ff00f009e7d7a436945f47c7a16f"
   dependencies:
     "@babel/types" "^7.0.0"
 
-"@babel/helper-module-imports@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0-rc.1.tgz#c6269fa9dc451152895f185f0339d45f32c52e75"
-  dependencies:
-    "@babel/types" "7.0.0-rc.1"
-    lodash "^4.17.10"
-
 "@babel/helper-module-imports@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0.tgz#96081b7111e486da4d2cd971ad1a4fe216cc2e3d"
   dependencies:
     "@babel/types" "^7.0.0"
 
-"@babel/helper-module-transforms@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.0.0-rc.1.tgz#15aa371352a37d527b233bd22d25f709ae5feaba"
-  dependencies:
-    "@babel/helper-module-imports" "7.0.0-rc.1"
-    "@babel/helper-simple-access" "7.0.0-rc.1"
-    "@babel/helper-split-export-declaration" "7.0.0-rc.1"
-    "@babel/template" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-    lodash "^4.17.10"
-
 "@babel/helper-module-transforms@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.1.0.tgz#470d4f9676d9fad50b324cdcce5fbabbc3da5787"
@@ -267,48 +152,22 @@
     "@babel/types" "^7.0.0"
     lodash "^4.17.10"
 
-"@babel/helper-optimise-call-expression@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.0.0-rc.1.tgz#482d8251870f61d88c9800fd3e58128e14ff8c98"
-  dependencies:
-    "@babel/types" "7.0.0-rc.1"
-
 "@babel/helper-optimise-call-expression@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.0.0.tgz#a2920c5702b073c15de51106200aa8cad20497d5"
   dependencies:
     "@babel/types" "^7.0.0"
 
-"@babel/helper-plugin-utils@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.0.0-rc.1.tgz#3e277eae59818e7d4caf4174f58a7a00d441336e"
-
 "@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"
 
-"@babel/helper-regex@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-regex/-/helper-regex-7.0.0-rc.1.tgz#591bf828846d91fea8c93d1bf3030bd99dbd94ce"
-  dependencies:
-    lodash "^4.17.10"
-
 "@babel/helper-regex@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-regex/-/helper-regex-7.0.0.tgz#2c1718923b57f9bbe64705ffe5640ac64d9bdb27"
   dependencies:
     lodash "^4.17.10"
 
-"@babel/helper-remap-async-to-generator@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.0.0-rc.1.tgz#cc32d270ca868245d0ac0a32d70dc83a6ce77db9"
-  dependencies:
-    "@babel/helper-annotate-as-pure" "7.0.0-rc.1"
-    "@babel/helper-wrap-function" "7.0.0-rc.1"
-    "@babel/template" "7.0.0-rc.1"
-    "@babel/traverse" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-
 "@babel/helper-remap-async-to-generator@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.1.0.tgz#361d80821b6f38da75bd3f0785ece20a88c5fe7f"
@@ -319,15 +178,6 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.0.0"
 
-"@babel/helper-replace-supers@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.0.0-rc.1.tgz#cab8d7a6c758e4561fb285f4725c850d68c1c3db"
-  dependencies:
-    "@babel/helper-member-expression-to-functions" "7.0.0-rc.1"
-    "@babel/helper-optimise-call-expression" "7.0.0-rc.1"
-    "@babel/traverse" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-
 "@babel/helper-replace-supers@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.1.0.tgz#5fc31de522ec0ef0899dc9b3e7cf6a5dd655f362"
@@ -337,14 +187,6 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.0.0"
 
-"@babel/helper-simple-access@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.0.0-rc.1.tgz#ab3b179b5f009a1e17207b227c37410ad8d73949"
-  dependencies:
-    "@babel/template" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-    lodash "^4.17.10"
-
 "@babel/helper-simple-access@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.1.0.tgz#65eeb954c8c245beaa4e859da6188f39d71e585c"
@@ -358,27 +200,12 @@
   dependencies:
     "@babel/types" "7.0.0-beta.44"
 
-"@babel/helper-split-export-declaration@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-rc.1.tgz#b00323834343fd0210f1f46c7a53521ad53efa5e"
-  dependencies:
-    "@babel/types" "7.0.0-rc.1"
-
 "@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/helper-wrap-function@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.0.0-rc.1.tgz#168454fe350e9ead8d91cdc581597ea506e951ff"
-  dependencies:
-    "@babel/helper-function-name" "7.0.0-rc.1"
-    "@babel/template" "7.0.0-rc.1"
-    "@babel/traverse" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-
 "@babel/helper-wrap-function@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.1.0.tgz#8cf54e9190706067f016af8f75cb3df829cc8c66"
@@ -388,14 +215,6 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.0.0"
 
-"@babel/helpers@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.0.0-rc.1.tgz#e59092cdf4b28026b3fc9d272e27e0ef152b4bee"
-  dependencies:
-    "@babel/template" "7.0.0-rc.1"
-    "@babel/traverse" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-
 "@babel/helpers@^7.1.2":
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.1.2.tgz#ab752e8c35ef7d39987df4e8586c63b8846234b5"
@@ -420,14 +239,6 @@
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-"@babel/highlight@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0-rc.1.tgz#e0ca4731fa4786f7b9500421d6ff5e5a7753e81e"
-  dependencies:
-    chalk "^2.0.0"
-    esutils "^2.0.2"
-    js-tokens "^3.0.0"
-
 "@babel/highlight@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0.tgz#f710c38c8d458e6dd9a201afb637fcb781ce99e4"
@@ -436,22 +247,10 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
-"@babel/parser@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.0.0-rc.1.tgz#d009a9bba8175d7b971e30cd03535b278c44082d"
-
 "@babel/parser@^7.1.2", "@babel/parser@^7.1.3":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.1.3.tgz#2c92469bac2b7fbff810b67fca07bd138b48af77"
 
-"@babel/plugin-proposal-async-generator-functions@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.0.0-rc.1.tgz#70d4ca787485487370a82e380c39c8c233bca639"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/helper-remap-async-to-generator" "7.0.0-rc.1"
-    "@babel/plugin-syntax-async-generators" "7.0.0-rc.1"
-
 "@babel/plugin-proposal-async-generator-functions@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.1.0.tgz#41c1a702e10081456e23a7b74d891922dd1bb6ce"
@@ -487,13 +286,6 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-json-strings" "^7.0.0"
 
-"@babel/plugin-proposal-object-rest-spread@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.0.0-rc.1.tgz#bc7ce898a48831fd733b251fd5ae46f986c905d8"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/plugin-syntax-object-rest-spread" "7.0.0-rc.1"
-
 "@babel/plugin-proposal-object-rest-spread@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.0.0.tgz#9a17b547f64d0676b6c9cecd4edf74a82ab85e7e"
@@ -501,13 +293,6 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-object-rest-spread" "^7.0.0"
 
-"@babel/plugin-proposal-optional-catch-binding@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-catch-binding/-/plugin-proposal-optional-catch-binding-7.0.0-rc.1.tgz#4ee80c9e4b6feb4c0c737bd996da3ee3fb9837d2"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/plugin-syntax-optional-catch-binding" "7.0.0-rc.1"
-
 "@babel/plugin-proposal-optional-catch-binding@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-catch-binding/-/plugin-proposal-optional-catch-binding-7.0.0.tgz#b610d928fe551ff7117d42c8bb410eec312a6425"
@@ -515,14 +300,6 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-optional-catch-binding" "^7.0.0"
 
-"@babel/plugin-proposal-unicode-property-regex@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.0.0-rc.1.tgz#02d0c33839eb52c93164907fb43b36c5a4afbc6c"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/helper-regex" "7.0.0-rc.1"
-    regexpu-core "^4.2.0"
-
 "@babel/plugin-proposal-unicode-property-regex@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.0.0.tgz#498b39cd72536cd7c4b26177d030226eba08cd33"
@@ -531,12 +308,6 @@
     "@babel/helper-regex" "^7.0.0"
     regexpu-core "^4.2.0"
 
-"@babel/plugin-syntax-async-generators@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-async-generators/-/plugin-syntax-async-generators-7.0.0-rc.1.tgz#71d016f1a241d5e735b120f6cb94b8c57d53d255"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-syntax-async-generators@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-async-generators/-/plugin-syntax-async-generators-7.0.0.tgz#bf0891dcdbf59558359d0c626fdc9490e20bc13c"
@@ -573,50 +344,24 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-syntax-object-rest-spread@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-object-rest-spread/-/plugin-syntax-object-rest-spread-7.0.0-rc.1.tgz#42032fd87fb3b18f5686a0ab957d7f6f0db26618"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-syntax-object-rest-spread@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-object-rest-spread/-/plugin-syntax-object-rest-spread-7.0.0.tgz#37d8fbcaf216bd658ea1aebbeb8b75e88ebc549b"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-syntax-optional-catch-binding@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-catch-binding/-/plugin-syntax-optional-catch-binding-7.0.0-rc.1.tgz#c125fedf2fe59e4b510c202b1a912634d896fbb8"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-syntax-optional-catch-binding@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-catch-binding/-/plugin-syntax-optional-catch-binding-7.0.0.tgz#886f72008b3a8b185977f7cb70713b45e51ee475"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-arrow-functions@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.0.0-rc.1.tgz#95b369e6ded8425a00464609d29e1fd017b331b0"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-arrow-functions@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.0.0.tgz#a6c14875848c68a3b4b3163a486535ef25c7e749"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-async-to-generator@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-async-to-generator/-/plugin-transform-async-to-generator-7.0.0-rc.1.tgz#9e22abec137ded152e83c3aebb4d4fb1ad7cba59"
-  dependencies:
-    "@babel/helper-module-imports" "7.0.0-rc.1"
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/helper-remap-async-to-generator" "7.0.0-rc.1"
-
 "@babel/plugin-transform-async-to-generator@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-async-to-generator/-/plugin-transform-async-to-generator-7.1.0.tgz#109e036496c51dd65857e16acab3bafdf3c57811"
@@ -625,25 +370,12 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/helper-remap-async-to-generator" "^7.1.0"
 
-"@babel/plugin-transform-block-scoped-functions@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoped-functions/-/plugin-transform-block-scoped-functions-7.0.0-rc.1.tgz#1b23adf0fb3a7395f6f0596a80039cfba6516750"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-block-scoped-functions@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoped-functions/-/plugin-transform-block-scoped-functions-7.0.0.tgz#482b3f75103927e37288b3b67b65f848e2aa0d07"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-block-scoping@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.0.0-rc.1.tgz#1a61565131ffd1022c04f9d3bcc4bdececf17859"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    lodash "^4.17.10"
-
 "@babel/plugin-transform-block-scoping@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.0.0.tgz#1745075edffd7cdaf69fab2fb6f9694424b7e9bc"
@@ -651,19 +383,6 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     lodash "^4.17.10"
 
-"@babel/plugin-transform-classes@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-classes/-/plugin-transform-classes-7.0.0-rc.1.tgz#1d73cbceb4b4adca4cdad5f8f84a5c517fc0e06d"
-  dependencies:
-    "@babel/helper-annotate-as-pure" "7.0.0-rc.1"
-    "@babel/helper-define-map" "7.0.0-rc.1"
-    "@babel/helper-function-name" "7.0.0-rc.1"
-    "@babel/helper-optimise-call-expression" "7.0.0-rc.1"
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/helper-replace-supers" "7.0.0-rc.1"
-    "@babel/helper-split-export-declaration" "7.0.0-rc.1"
-    globals "^11.1.0"
-
 "@babel/plugin-transform-classes@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-classes/-/plugin-transform-classes-7.1.0.tgz#ab3f8a564361800cbc8ab1ca6f21108038432249"
@@ -677,38 +396,18 @@
     "@babel/helper-split-export-declaration" "^7.0.0"
     globals "^11.1.0"
 
-"@babel/plugin-transform-computed-properties@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-computed-properties/-/plugin-transform-computed-properties-7.0.0-rc.1.tgz#767c6e54e6928de6f1f4de341cee1ec58edce1cf"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-computed-properties@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-computed-properties/-/plugin-transform-computed-properties-7.0.0.tgz#2fbb8900cd3e8258f2a2ede909b90e7556185e31"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-destructuring@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.0.0-rc.1.tgz#d72932088542ae1c11188cb36d58cd18ddd55aa8"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-destructuring@^7.0.0":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.1.3.tgz#e69ff50ca01fac6cb72863c544e516c2b193012f"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-dotall-regex@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-dotall-regex/-/plugin-transform-dotall-regex-7.0.0-rc.1.tgz#3209d77c7905883482ff9d527c2f96d0db83df0a"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/helper-regex" "7.0.0-rc.1"
-    regexpu-core "^4.1.3"
-
 "@babel/plugin-transform-dotall-regex@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-dotall-regex/-/plugin-transform-dotall-regex-7.0.0.tgz#73a24da69bc3c370251f43a3d048198546115e58"
@@ -717,25 +416,12 @@
     "@babel/helper-regex" "^7.0.0"
     regexpu-core "^4.1.3"
 
-"@babel/plugin-transform-duplicate-keys@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-duplicate-keys/-/plugin-transform-duplicate-keys-7.0.0-rc.1.tgz#59d0c76877720446f83f1fbbad7c33670c5b19b9"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-duplicate-keys@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-duplicate-keys/-/plugin-transform-duplicate-keys-7.0.0.tgz#a0601e580991e7cace080e4cf919cfd58da74e86"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-exponentiation-operator@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-exponentiation-operator/-/plugin-transform-exponentiation-operator-7.0.0-rc.1.tgz#b8a7b7862a1e3b14510ad60e496ce5b54c2220d1"
-  dependencies:
-    "@babel/helper-builder-binary-assignment-operator-visitor" "7.0.0-rc.1"
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-exponentiation-operator@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-exponentiation-operator/-/plugin-transform-exponentiation-operator-7.1.0.tgz#9c34c2ee7fd77e02779cfa37e403a2e1003ccc73"
@@ -743,25 +429,12 @@
     "@babel/helper-builder-binary-assignment-operator-visitor" "^7.1.0"
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-for-of@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-for-of/-/plugin-transform-for-of-7.0.0-rc.1.tgz#1ad4f8986003f38db9251fb694c4f86657e9ec18"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-for-of@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-for-of/-/plugin-transform-for-of-7.0.0.tgz#f2ba4eadb83bd17dc3c7e9b30f4707365e1c3e39"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-function-name@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-function-name/-/plugin-transform-function-name-7.0.0-rc.1.tgz#e61149309db0d74df4ea3a566aac7b8794520e2d"
-  dependencies:
-    "@babel/helper-function-name" "7.0.0-rc.1"
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-function-name@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-function-name/-/plugin-transform-function-name-7.1.0.tgz#29c5550d5c46208e7f730516d41eeddd4affadbb"
@@ -769,25 +442,12 @@
     "@babel/helper-function-name" "^7.1.0"
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-literals@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-literals/-/plugin-transform-literals-7.0.0-rc.1.tgz#314e118e99574ab5292aea92136c26e3dc8c4abb"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-literals@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-literals/-/plugin-transform-literals-7.0.0.tgz#2aec1d29cdd24c407359c930cdd89e914ee8ff86"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-modules-amd@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-amd/-/plugin-transform-modules-amd-7.0.0-rc.1.tgz#3f7d83c9ecf0bf5733748e119696cc50ae05987f"
-  dependencies:
-    "@babel/helper-module-transforms" "7.0.0-rc.1"
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-modules-amd@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-amd/-/plugin-transform-modules-amd-7.1.0.tgz#f9e0a7072c12e296079b5a59f408ff5b97bf86a8"
@@ -795,14 +455,6 @@
     "@babel/helper-module-transforms" "^7.1.0"
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-modules-commonjs@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.0.0-rc.1.tgz#475bd3e6c3b86bb38307f715e0cbdb6cb2f431c2"
-  dependencies:
-    "@babel/helper-module-transforms" "7.0.0-rc.1"
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/helper-simple-access" "7.0.0-rc.1"
-
 "@babel/plugin-transform-modules-commonjs@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.1.0.tgz#0a9d86451cbbfb29bd15186306897c67f6f9a05c"
@@ -811,13 +463,6 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/helper-simple-access" "^7.1.0"
 
-"@babel/plugin-transform-modules-systemjs@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.0.0-rc.1.tgz#6aca100a57c49e2622f29f177a3e088cc50ecd2e"
-  dependencies:
-    "@babel/helper-hoist-variables" "7.0.0-rc.1"
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-modules-systemjs@^7.0.0":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.1.3.tgz#2119a3e3db612fd74a19d88652efbfe9613a5db0"
@@ -825,13 +470,6 @@
     "@babel/helper-hoist-variables" "^7.0.0"
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-modules-umd@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-umd/-/plugin-transform-modules-umd-7.0.0-rc.1.tgz#1a584cb37d252de63c90030f76c3d7d3d0ea1241"
-  dependencies:
-    "@babel/helper-module-transforms" "7.0.0-rc.1"
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-modules-umd@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-umd/-/plugin-transform-modules-umd-7.1.0.tgz#a29a7d85d6f28c3561c33964442257cc6a21f2a8"
@@ -839,25 +477,12 @@
     "@babel/helper-module-transforms" "^7.1.0"
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-new-target@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-new-target/-/plugin-transform-new-target-7.0.0-rc.1.tgz#e5839320686b3c97b82bd24157282565503ae569"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-new-target@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-new-target/-/plugin-transform-new-target-7.0.0.tgz#ae8fbd89517fa7892d20e6564e641e8770c3aa4a"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-object-super@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-object-super/-/plugin-transform-object-super-7.0.0-rc.1.tgz#03ffbcce806af7546fead73cecb43c0892b809f3"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/helper-replace-supers" "7.0.0-rc.1"
-
 "@babel/plugin-transform-object-super@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-object-super/-/plugin-transform-object-super-7.1.0.tgz#b1ae194a054b826d8d4ba7ca91486d4ada0f91bb"
@@ -865,14 +490,6 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/helper-replace-supers" "^7.1.0"
 
-"@babel/plugin-transform-parameters@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.0.0-rc.1.tgz#c3f2f1fe179b58c968b3253cb412c8d83a3d5abc"
-  dependencies:
-    "@babel/helper-call-delegate" "7.0.0-rc.1"
-    "@babel/helper-get-function-arity" "7.0.0-rc.1"
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-parameters@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.1.0.tgz#44f492f9d618c9124026e62301c296bf606a7aed"
@@ -881,12 +498,6 @@
     "@babel/helper-get-function-arity" "^7.0.0"
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-regenerator@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-regenerator/-/plugin-transform-regenerator-7.0.0-rc.1.tgz#8c5488ab75b7c9004d8bcf3f48a5814f946b5bb0"
-  dependencies:
-    regenerator-transform "^0.13.3"
-
 "@babel/plugin-transform-regenerator@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-regenerator/-/plugin-transform-regenerator-7.0.0.tgz#5b41686b4ed40bef874d7ed6a84bdd849c13e0c1"
@@ -902,37 +513,18 @@
     resolve "^1.8.1"
     semver "^5.5.1"
 
-"@babel/plugin-transform-shorthand-properties@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-shorthand-properties/-/plugin-transform-shorthand-properties-7.0.0-rc.1.tgz#21724d2199d988ffad690de8dbdce8b834a7f313"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-shorthand-properties@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-shorthand-properties/-/plugin-transform-shorthand-properties-7.0.0.tgz#85f8af592dcc07647541a0350e8c95c7bf419d15"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-spread@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-spread/-/plugin-transform-spread-7.0.0-rc.1.tgz#3ad6d96f42175ecf7c03d92313fa1f5c24a69637"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-spread@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-spread/-/plugin-transform-spread-7.0.0.tgz#93583ce48dd8c85e53f3a46056c856e4af30b49b"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-sticky-regex@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.0.0-rc.1.tgz#88079689a70d80c8e9b159572979a9c2b80f7c38"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/helper-regex" "7.0.0-rc.1"
-
 "@babel/plugin-transform-sticky-regex@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.0.0.tgz#30a9d64ac2ab46eec087b8530535becd90e73366"
@@ -940,13 +532,6 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/helper-regex" "^7.0.0"
 
-"@babel/plugin-transform-template-literals@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-template-literals/-/plugin-transform-template-literals-7.0.0-rc.1.tgz#c22533ce23554a0d596b208158b34b9975feb9e6"
-  dependencies:
-    "@babel/helper-annotate-as-pure" "7.0.0-rc.1"
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-template-literals@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-template-literals/-/plugin-transform-template-literals-7.0.0.tgz#084f1952efe5b153ddae69eb8945f882c7a97c65"
@@ -954,26 +539,12 @@
     "@babel/helper-annotate-as-pure" "^7.0.0"
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-typeof-symbol@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.0.0-rc.1.tgz#51c628dfcd2a5b6c1792b90e4f2f24b7eb993389"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-
 "@babel/plugin-transform-typeof-symbol@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.0.0.tgz#4dcf1e52e943e5267b7313bff347fdbe0f81cec9"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-unicode-regex@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-regex/-/plugin-transform-unicode-regex-7.0.0-rc.1.tgz#b6c77bdb9a2823108210a174318ddd3c1ab6f3ce"
-  dependencies:
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/helper-regex" "7.0.0-rc.1"
-    regexpu-core "^4.1.3"
-
 "@babel/plugin-transform-unicode-regex@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-regex/-/plugin-transform-unicode-regex-7.0.0.tgz#c6780e5b1863a76fe792d90eded9fcd5b51d68fc"
@@ -1028,51 +599,6 @@
     js-levenshtein "^1.1.3"
     semver "^5.3.0"
 
-"@babel/preset-env@^7.0.0-beta.47":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.0.0-rc.1.tgz#cb87a82fd3e44005219cd9f1cb3e9fdba907aae5"
-  dependencies:
-    "@babel/helper-module-imports" "7.0.0-rc.1"
-    "@babel/helper-plugin-utils" "7.0.0-rc.1"
-    "@babel/plugin-proposal-async-generator-functions" "7.0.0-rc.1"
-    "@babel/plugin-proposal-object-rest-spread" "7.0.0-rc.1"
-    "@babel/plugin-proposal-optional-catch-binding" "7.0.0-rc.1"
-    "@babel/plugin-proposal-unicode-property-regex" "7.0.0-rc.1"
-    "@babel/plugin-syntax-async-generators" "7.0.0-rc.1"
-    "@babel/plugin-syntax-object-rest-spread" "7.0.0-rc.1"
-    "@babel/plugin-syntax-optional-catch-binding" "7.0.0-rc.1"
-    "@babel/plugin-transform-arrow-functions" "7.0.0-rc.1"
-    "@babel/plugin-transform-async-to-generator" "7.0.0-rc.1"
-    "@babel/plugin-transform-block-scoped-functions" "7.0.0-rc.1"
-    "@babel/plugin-transform-block-scoping" "7.0.0-rc.1"
-    "@babel/plugin-transform-classes" "7.0.0-rc.1"
-    "@babel/plugin-transform-computed-properties" "7.0.0-rc.1"
-    "@babel/plugin-transform-destructuring" "7.0.0-rc.1"
-    "@babel/plugin-transform-dotall-regex" "7.0.0-rc.1"
-    "@babel/plugin-transform-duplicate-keys" "7.0.0-rc.1"
-    "@babel/plugin-transform-exponentiation-operator" "7.0.0-rc.1"
-    "@babel/plugin-transform-for-of" "7.0.0-rc.1"
-    "@babel/plugin-transform-function-name" "7.0.0-rc.1"
-    "@babel/plugin-transform-literals" "7.0.0-rc.1"
-    "@babel/plugin-transform-modules-amd" "7.0.0-rc.1"
-    "@babel/plugin-transform-modules-commonjs" "7.0.0-rc.1"
-    "@babel/plugin-transform-modules-systemjs" "7.0.0-rc.1"
-    "@babel/plugin-transform-modules-umd" "7.0.0-rc.1"
-    "@babel/plugin-transform-new-target" "7.0.0-rc.1"
-    "@babel/plugin-transform-object-super" "7.0.0-rc.1"
-    "@babel/plugin-transform-parameters" "7.0.0-rc.1"
-    "@babel/plugin-transform-regenerator" "7.0.0-rc.1"
-    "@babel/plugin-transform-shorthand-properties" "7.0.0-rc.1"
-    "@babel/plugin-transform-spread" "7.0.0-rc.1"
-    "@babel/plugin-transform-sticky-regex" "7.0.0-rc.1"
-    "@babel/plugin-transform-template-literals" "7.0.0-rc.1"
-    "@babel/plugin-transform-typeof-symbol" "7.0.0-rc.1"
-    "@babel/plugin-transform-unicode-regex" "7.0.0-rc.1"
-    browserslist "^3.0.0"
-    invariant "^2.2.2"
-    js-levenshtein "^1.1.3"
-    semver "^5.3.0"
-
 "@babel/runtime@^7.0.0":
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.1.2.tgz#81c89935f4647706fc54541145e6b4ecfef4b8e3"
@@ -1088,15 +614,6 @@
     babylon "7.0.0-beta.44"
     lodash "^4.2.0"
 
-"@babel/template@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-rc.1.tgz#5f9c0a481c9f22ecdb84697b3c3a34eadeeca23c"
-  dependencies:
-    "@babel/code-frame" "7.0.0-rc.1"
-    "@babel/parser" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-    lodash "^4.17.10"
-
 "@babel/template@^7.1.0", "@babel/template@^7.1.2":
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.1.2.tgz#090484a574fef5a2d2d7726a674eceda5c5b5644"
@@ -1120,20 +637,6 @@
     invariant "^2.2.0"
     lodash "^4.2.0"
 
-"@babel/traverse@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-rc.1.tgz#867b4b45ada2d51ae2d0076f1c1d5880f8557158"
-  dependencies:
-    "@babel/code-frame" "7.0.0-rc.1"
-    "@babel/generator" "7.0.0-rc.1"
-    "@babel/helper-function-name" "7.0.0-rc.1"
-    "@babel/helper-split-export-declaration" "7.0.0-rc.1"
-    "@babel/parser" "7.0.0-rc.1"
-    "@babel/types" "7.0.0-rc.1"
-    debug "^3.1.0"
-    globals "^11.1.0"
-    lodash "^4.17.10"
-
 "@babel/traverse@^7.1.0":
   version "7.1.4"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.1.4.tgz#f4f83b93d649b4b2c91121a9087fa2fa949ec2b4"
@@ -1156,14 +659,6 @@
     lodash "^4.2.0"
     to-fast-properties "^2.0.0"
 
-"@babel/types@7.0.0-rc.1":
-  version "7.0.0-rc.1"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-rc.1.tgz#6abf6d14ddd9fc022617e5b62e6b32f4fa6526ad"
-  dependencies:
-    esutils "^2.0.2"
-    lodash "^4.17.10"
-    to-fast-properties "^2.0.0"
-
 "@babel/types@^7.0.0", "@babel/types@^7.1.2", "@babel/types@^7.1.3":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.1.3.tgz#3a767004567060c2f40fca49a304712c525ee37d"
@@ -2137,7 +1632,7 @@ browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6:
     caniuse-db "^1.0.30000639"
     electron-to-chromium "^1.2.7"
 
-browserslist@^3.0.0, browserslist@^3.2.8:
+browserslist@^3.2.8:
   version "3.2.8"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
   dependencies: