diff --git a/package.json b/package.json
index 5a7c32d..ecb3a3f 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "ava": "0.25.0",
     "babel-cli": "6.26.0",
     "babel-core": "6.26.3",
-    "babel-plugin-istanbul": "4.1.6",
+    "babel-plugin-istanbul": "5.1.0",
     "babel-plugin-transform-es2015-modules-umd": "6.24.1",
     "babel-preset-es2015": "6.24.1",
     "babel-preset-stage-3": "6.24.1",
diff --git a/yarn.lock b/yarn.lock
index 1af03db..3356ae0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -44,6 +44,12 @@
   dependencies:
     "@babel/highlight" "7.0.0-beta.49"
 
+"@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-beta.49":
   version "7.0.0-beta.49"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.0.0-beta.49.tgz#e9cffda913996accec793bbc25ab91bc19d0bf7a"
@@ -54,6 +60,16 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
+"@babel/generator@^7.0.0", "@babel/generator@^7.1.3":
+  version "7.1.3"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.1.3.tgz#2103ec9c42d9bdad9190a6ad5ff2d456fd7b8673"
+  dependencies:
+    "@babel/types" "^7.1.3"
+    jsesc "^2.5.1"
+    lodash "^4.17.10"
+    source-map "^0.5.0"
+    trim-right "^1.0.1"
+
 "@babel/helper-function-name@7.0.0-beta.49":
   version "7.0.0-beta.49"
   resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.49.tgz#a25c1119b9f035278670126e0225c03041c8de32"
@@ -62,18 +78,38 @@
     "@babel/template" "7.0.0-beta.49"
     "@babel/types" "7.0.0-beta.49"
 
+"@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-beta.49":
   version "7.0.0-beta.49"
   resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.49.tgz#cf5023f32d2ad92d087374939cec0951bcb51441"
   dependencies:
     "@babel/types" "7.0.0-beta.49"
 
+"@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-beta.49":
   version "7.0.0-beta.49"
   resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.49.tgz#40d78eda0968d011b1c52866e5746cfb23e57548"
   dependencies:
     "@babel/types" "7.0.0-beta.49"
 
+"@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-beta.49":
   version "7.0.0-beta.49"
   resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0-beta.49.tgz#96bdc6b43e13482012ba6691b1018492d39622cc"
@@ -82,10 +118,22 @@
     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"
+
 "@babel/parser@7.0.0-beta.49":
   version "7.0.0-beta.49"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.0.0-beta.49.tgz#944d0c5ba2812bb159edbd226743afd265179bdc"
 
+"@babel/parser@^7.0.0", "@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/template@7.0.0-beta.49":
   version "7.0.0-beta.49"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-beta.49.tgz#e38abe8217cb9793f461a5306d7ad745d83e1d27"
@@ -95,6 +143,14 @@
     "@babel/types" "7.0.0-beta.49"
     lodash "^4.17.5"
 
+"@babel/template@^7.0.0", "@babel/template@^7.1.0":
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.1.2.tgz#090484a574fef5a2d2d7726a674eceda5c5b5644"
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    "@babel/parser" "^7.1.2"
+    "@babel/types" "^7.1.2"
+
 "@babel/traverse@7.0.0-beta.49":
   version "7.0.0-beta.49"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.49.tgz#4f2a73682a18334ed6625d100a8d27319f7c2d68"
@@ -110,6 +166,20 @@
     invariant "^2.2.0"
     lodash "^4.17.5"
 
+"@babel/traverse@^7.0.0":
+  version "7.1.4"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.1.4.tgz#f4f83b93d649b4b2c91121a9087fa2fa949ec2b4"
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    "@babel/generator" "^7.1.3"
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/helper-split-export-declaration" "^7.0.0"
+    "@babel/parser" "^7.1.3"
+    "@babel/types" "^7.1.3"
+    debug "^3.1.0"
+    globals "^11.1.0"
+    lodash "^4.17.10"
+
 "@babel/types@7.0.0-beta.49":
   version "7.0.0-beta.49"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.49.tgz#b7e3b1c3f4d4cfe11bdf8c89f1efd5e1617b87a6"
@@ -118,6 +188,14 @@
     lodash "^4.17.5"
     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"
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.17.10"
+    to-fast-properties "^2.0.0"
+
 "@concordance/react@^1.0.0":
   version "1.0.0"
   resolved "http://registry.npm.taobao.org/@concordance/react/download/@concordance/react-1.0.0.tgz#fcf3cad020e5121bfd1c61d05bc3516aac25f734"
@@ -599,7 +677,7 @@ babel-core@^6.26.0:
     slash "^1.0.0"
     source-map "^0.5.6"
 
-babel-generator@^6.1.0, babel-generator@^6.18.0, babel-generator@^6.25.0:
+babel-generator@^6.1.0, babel-generator@^6.25.0:
   version "6.25.0"
   resolved "http://registry.npm.taobao.org/babel-generator/download/babel-generator-6.25.0.tgz#33a1af70d5f2890aeb465a4a7793c1df6a9ea9fc"
   dependencies:
@@ -750,14 +828,13 @@ babel-plugin-espower@^2.3.2:
     espurify "^1.6.0"
     estraverse "^4.1.1"
 
-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"
+babel-plugin-istanbul@5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-5.1.0.tgz#6892f529eff65a3e2d33d87dc5888ffa2ecd4a30"
   dependencies:
-    babel-plugin-syntax-object-rest-spread "^6.13.0"
-    find-up "^2.1.0"
-    istanbul-lib-instrument "^1.10.1"
-    test-exclude "^4.2.1"
+    find-up "^3.0.0"
+    istanbul-lib-instrument "^3.0.0"
+    test-exclude "^5.0.0"
 
 babel-plugin-syntax-async-functions@^6.8.0:
   version "6.13.0"
@@ -1076,7 +1153,7 @@ babel-runtime@^6.26.0:
     core-js "^2.4.0"
     regenerator-runtime "^0.11.0"
 
-babel-template@^6.16.0, babel-template@^6.24.1, babel-template@^6.25.0:
+babel-template@^6.24.1, babel-template@^6.25.0:
   version "6.25.0"
   resolved "http://registry.npm.taobao.org/babel-template/download/babel-template-6.25.0.tgz#665241166b7c2aa4c619d71e192969552b10c071"
   dependencies:
@@ -1096,7 +1173,7 @@ babel-template@^6.26.0:
     babylon "^6.18.0"
     lodash "^4.17.4"
 
-babel-traverse@^6.18.0, babel-traverse@^6.24.1, babel-traverse@^6.25.0:
+babel-traverse@^6.24.1, babel-traverse@^6.25.0:
   version "6.25.0"
   resolved "http://registry.npm.taobao.org/babel-traverse/download/babel-traverse-6.25.0.tgz#2257497e2fcd19b89edc13c4c91381f9512496f1"
   dependencies:
@@ -1124,7 +1201,7 @@ babel-traverse@^6.26.0:
     invariant "^2.2.2"
     lodash "^4.17.4"
 
-babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.24.1, babel-types@^6.25.0:
+babel-types@^6.19.0, babel-types@^6.24.1, babel-types@^6.25.0:
   version "6.25.0"
   resolved "http://registry.npm.taobao.org/babel-types/download/babel-types-6.25.0.tgz#70afb248d5660e5d18f811d91c8303b54134a18e"
   dependencies:
@@ -1839,6 +1916,12 @@ 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@^1.7.0:
   version "1.7.0"
   resolved "http://registry.npm.taobao.org/es-abstract/download/es-abstract-1.7.0.tgz#dfade774e01bfcd97f96180298c449c8623fb94c"
@@ -2227,6 +2310,12 @@ find-up@^2.0.0, find-up@^2.1.0:
   dependencies:
     locate-path "^2.0.0"
 
+find-up@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-3.0.0.tgz#49169f1d7993430646da61ecc5ae355c21c97b73"
+  dependencies:
+    locate-path "^3.0.0"
+
 flat-cache@^1.2.1:
   version "1.2.2"
   resolved "http://registry.npm.taobao.org/flat-cache/download/flat-cache-1.2.2.tgz#fa86714e72c21db88601761ecf2f555d1abc6b96"
@@ -3001,24 +3090,16 @@ istanbul-lib-coverage@^1.1.2, 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-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@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.1.0.tgz#8538d970372cb3716d53e55523dd54b557a8d89b"
   dependencies:
     append-transform "^0.4.0"
 
-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 "^1.2.0"
-    semver "^5.3.0"
-
 istanbul-lib-instrument@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-2.1.0.tgz#76576f844cdbc4952a8b3904dae09d1eb10e6c4d"
@@ -3031,6 +3112,18 @@ istanbul-lib-instrument@^2.1.0:
     istanbul-lib-coverage "^1.2.0"
     semver "^5.3.0"
 
+istanbul-lib-instrument@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-3.0.0.tgz#b5f066b2a161f75788be17a9d556f40a0cf2afc9"
+  dependencies:
+    "@babel/generator" "^7.0.0"
+    "@babel/parser" "^7.0.0"
+    "@babel/template" "^7.0.0"
+    "@babel/traverse" "^7.0.0"
+    "@babel/types" "^7.0.0"
+    istanbul-lib-coverage "^2.0.1"
+    semver "^5.5.0"
+
 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"
@@ -3083,6 +3176,10 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "http://registry.npm.taobao.org/js-tokens/download/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.x:
   version "3.9.1"
   resolved "http://registry.npm.taobao.org/js-yaml/download/js-yaml-3.9.1.tgz#08775cebdfdd359209f0d2acd383c8f86a6904a0"
@@ -3113,6 +3210,10 @@ jsesc@~0.5.0:
   version "0.5.0"
   resolved "http://registry.npm.taobao.org/jsesc/download/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"
@@ -3230,6 +3331,15 @@ 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 "http://registry.npm.taobao.org/locate-path/download/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
@@ -3237,6 +3347,13 @@ locate-path@^2.0.0:
     p-locate "^2.0.0"
     path-exists "^3.0.0"
 
+locate-path@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-3.0.0.tgz#dbec3b3ab759758071b58fe59fc41871af21400e"
+  dependencies:
+    p-locate "^3.0.0"
+    path-exists "^3.0.0"
+
 lodash.clonedeep@^4.5.0:
   version "4.5.0"
   resolved "http://registry.npm.taobao.org/lodash.clonedeep/download/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
@@ -3273,6 +3390,10 @@ lodash.merge@^4.6.0:
   version "4.6.0"
   resolved "http://registry.npm.taobao.org/lodash.merge/download/lodash.merge-4.6.0.tgz#69884ba144ac33fe699737a6086deffadd0f89c5"
 
+lodash@^4.17.10:
+  version "4.17.11"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+
 lodash@^4.17.4, lodash@^4.17.5:
   version "4.17.10"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
@@ -3746,12 +3867,28 @@ p-limit@^1.1.0:
   version "1.1.0"
   resolved "http://registry.npm.taobao.org/p-limit/download/p-limit-1.1.0.tgz#b07ff2d9a5d88bec806035895a2bab66a27988bc"
 
+p-limit@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.0.0.tgz#e624ed54ee8c460a778b3c9f3670496ff8a57aec"
+  dependencies:
+    p-try "^2.0.0"
+
 p-locate@^2.0.0:
   version "2.0.0"
   resolved "http://registry.npm.taobao.org/p-locate/download/p-locate-2.0.0.tgz#20a0103b222a70c8fd39cc2e580680f3dde5ec43"
   dependencies:
     p-limit "^1.1.0"
 
+p-locate@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-3.0.0.tgz#322d69a05c0264b25997d9f40cd8a891ab0064a4"
+  dependencies:
+    p-limit "^2.0.0"
+
+p-try@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.0.0.tgz#85080bb87c64688fa47996fe8f7dfbe8211760b1"
+
 package-hash@^1.2.0:
   version "1.2.0"
   resolved "http://registry.npm.taobao.org/package-hash/download/package-hash-1.2.0.tgz#003e56cd57b736a6ed6114cc2b81542672770e44"
@@ -3791,6 +3928,13 @@ 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"
+
 parse-ms@^0.1.0:
   version "0.1.2"
   resolved "http://registry.npm.taobao.org/parse-ms/download/parse-ms-0.1.2.tgz#dd3fa25ed6c2efc7bdde12ad9b46c163aa29224e"
@@ -3849,6 +3993,12 @@ path-type@^2.0.0:
   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 "http://registry.npm.taobao.org/performance-now/download/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
@@ -3857,6 +4007,10 @@ pify@^2.0.0, pify@^2.3.0:
   version "2.3.0"
   resolved "http://registry.npm.taobao.org/pify/download/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
 
+pify@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
+
 pinkie-promise@^1.0.0:
   version "1.0.0"
   resolved "http://registry.npm.taobao.org/pinkie-promise/download/pinkie-promise-1.0.0.tgz#d1da67f5482563bb7cf57f286ae2822ecfbf3670"
@@ -4023,6 +4177,13 @@ read-pkg-up@^2.0.0:
     find-up "^2.0.0"
     read-pkg "^2.0.0"
 
+read-pkg-up@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-4.0.0.tgz#1b221c6088ba7799601c808f91161c66e58f8978"
+  dependencies:
+    find-up "^3.0.0"
+    read-pkg "^3.0.0"
+
 read-pkg@^1.0.0:
   version "1.1.0"
   resolved "http://registry.npm.taobao.org/read-pkg/download/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
@@ -4039,6 +4200,14 @@ 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@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2:
   version "2.3.3"
   resolved "http://registry.npm.taobao.org/readable-stream/download/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
@@ -4742,7 +4911,7 @@ term-size@^1.2.0:
   dependencies:
     execa "^0.7.0"
 
-test-exclude@^4.2.0, test-exclude@^4.2.1:
+test-exclude@^4.2.0:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.2.1.tgz#dfa222f03480bca69207ca728b37d74b45f724fa"
   dependencies:
@@ -4752,6 +4921,15 @@ test-exclude@^4.2.0, test-exclude@^4.2.1:
     read-pkg-up "^1.0.1"
     require-main-filename "^1.0.1"
 
+test-exclude@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-5.0.0.tgz#cdce7cece785e0e829cd5c2b27baf18bc583cfb7"
+  dependencies:
+    arrify "^1.0.1"
+    minimatch "^3.0.4"
+    read-pkg-up "^4.0.0"
+    require-main-filename "^1.0.1"
+
 text-encoding@^0.6.4:
   version "0.6.4"
   resolved "http://registry.npm.taobao.org/text-encoding/download/text-encoding-0.6.4.tgz#e399a982257a276dae428bb92845cb71bdc26d19"