chore(package): update lockfile yarn.lock

Author: greenkeeper[bot]

yarn.lock

@@ -2,7 +2,13 @@
 # yarn lockfile v1
 
 
-"@babel/code-frame@^7.0.0-beta.35", "@babel/code-frame@^7.0.0-beta.47":
+"@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/code-frame@^7.0.0-beta.35":
   version "7.0.0-rc.1"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-rc.1.tgz#5c2154415d6c09959a71845ef519d11157e95d10"
   dependencies:
@@ -16,6 +22,14 @@
     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"
+  dependencies:
+    chalk "^2.0.0"
+    esutils "^2.0.2"
+    js-tokens "^4.0.0"
+
 "@sinonjs/commons@^1.0.1":
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/@sinonjs/commons/-/commons-1.0.2.tgz#3e0ac737781627b8844257fadc3d803997d0526e"
@@ -1109,14 +1123,10 @@ [email protected], combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.11.0:
+commander@^2.11.0, commander@~2.17.1:
   version "2.17.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
 
-commander@~2.16.0:
-  version "2.16.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.16.0.tgz#f16390593996ceb4f3eeb020b31d78528f7f8a50"
-
 compare-versions@^3.1.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-3.3.0.tgz#af93ea705a96943f622ab309578b9b90586f39c3"
@@ -2609,7 +2619,7 @@ js-tokens@^3.0.0, 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@^3.0.0 || ^4.0.0":
+"js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
 
@@ -3786,12 +3796,14 @@ rollup-plugin-node-resolve@^3.3.0:
     is-module "^1.0.0"
     resolve "^1.1.6"
 
-rollup-plugin-uglify@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-uglify/-/rollup-plugin-uglify-4.0.0.tgz#6eb471738f1ce9ba7d9d4bc43b71cba02417c8fb"
+rollup-plugin-uglify@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-uglify/-/rollup-plugin-uglify-6.0.0.tgz#15aa8919e5cdc63b7cfc9319c781788b40084ce4"
   dependencies:
-    "@babel/code-frame" "^7.0.0-beta.47"
-    uglify-js "^3.3.25"
+    "@babel/code-frame" "^7.0.0"
+    jest-worker "^23.2.0"
+    serialize-javascript "^1.5.0"
+    uglify-js "^3.4.9"
 
 rollup-pluginutils@^1.5.0:
   version "1.5.2"
@@ -3874,6 +3886,10 @@ sax@^1.2.4:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
+serialize-javascript@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.5.0.tgz#1aa336162c88a890ddad5384baebc93a655161fe"
+
 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"
@@ -4262,11 +4278,11 @@ uglify-js@^2.6:
   optionalDependencies:
     uglify-to-browserify "~1.0.0"
 
-uglify-js@^3.3.25:
-  version "3.4.7"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.7.tgz#4df6b92e54789aa921a254cb1e33704d6ec12b89"
+uglify-js@^3.4.9:
+  version "3.4.9"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"
   dependencies:
-    commander "~2.16.0"
+    commander "~2.17.1"
     source-map "~0.6.1"
 
 uglify-to-browserify@~1.0.0: