Use uglify-es for minification (#3150)

package.json

@@ -132,6 +132,7 @@
     "react-dom": "16.0.0",
     "standard": "9.0.2",
     "taskr": "1.1.0",
+    "uglifyjs-webpack-plugin": "^1.0.0-beta.3",
     "wd": "1.4.1"
   },
   "peerDependencies": {

server/build/webpack.js

@@ -6,6 +6,7 @@ import glob from 'glob-promise'
 import WriteFilePlugin from 'write-file-webpack-plugin'
 import FriendlyErrorsWebpackPlugin from 'friendly-errors-webpack-plugin'
 import CaseSensitivePathPlugin from 'case-sensitive-paths-webpack-plugin'
+import UglifyJSPlugin from 'uglifyjs-webpack-plugin'
 import UnlinkFilePlugin from './plugins/unlink-file-plugin'
 import PagesPlugin from './plugins/pages-plugin'
 import DynamicChunksPlugin from './plugins/dynamic-chunks-plugin'
@@ -150,9 +151,8 @@ export default async function createCompiler (dir, { buildId, dev = false, quiet
         input: ['manifest.js', 'commons.js', 'main.js'],
         output: 'app.js'
       }),
-      new webpack.optimize.UglifyJsPlugin({
-        exclude: ['manifest.js', 'commons.js', 'main.js'],
-        compress: { warnings: false },
+      new UglifyJSPlugin({
+        parallel: true,
         sourceMap: false
       })
     )

yarn.lock

@@ -156,6 +156,15 @@ ajv@^4.7.0, ajv@^4.9.1:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
+ajv@^5.0.0:
+  version "5.2.4"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.2.4.tgz#3daf9a8b67221299fdae8d82d117ed8e6c80244b"
+  dependencies:
+    co "^4.6.0"
+    fast-deep-equal "^1.0.0"
+    json-schema-traverse "^0.3.0"
+    json-stable-stringify "^1.0.1"
+
 ajv@^5.1.0, ajv@^5.1.5:
   version "5.2.3"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.2.3.tgz#c06f598778c44c6b161abafe3466b81ad1814ed2"
@@ -228,7 +237,7 @@ append-transform@^0.4.0:
   dependencies:
     default-require-extensions "^1.0.0"
 
-aproba@^1.0.3:
+aproba@^1.0.3, aproba@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
 
@@ -1334,6 +1343,24 @@ builtins@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/builtins/-/builtins-1.0.3.tgz#cb94faeb61c8696451db36534e1422f94f0aee88"
 
+cacache@^9.2.9:
+  version "9.3.0"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-9.3.0.tgz#9cd58f2dd0b8c8cacf685b7067b416d6d3cf9db1"
+  dependencies:
+    bluebird "^3.5.0"
+    chownr "^1.0.1"
+    glob "^7.1.2"
+    graceful-fs "^4.1.11"
+    lru-cache "^4.1.1"
+    mississippi "^1.3.0"
+    mkdirp "^0.5.1"
+    move-concurrently "^1.0.1"
+    promise-inflight "^1.0.1"
+    rimraf "^2.6.1"
+    ssri "^4.1.6"
+    unique-filename "^1.1.0"
+    y18n "^3.2.1"
+
 caching-transform@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/caching-transform/-/caching-transform-1.0.1.tgz#6dbdb2f20f8d8fbce79f3e94e9d1742dcdf5c0a1"
@@ -1456,6 +1483,10 @@ chokidar@^1.7.0:
   optionalDependencies:
     fsevents "^1.0.0"
 
+chownr@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
+
 chromedriver@2.32.3:
   version "2.32.3"
   resolved "https://registry.yarnpkg.com/chromedriver/-/chromedriver-2.32.3.tgz#ce84f055bee7cbfe56f31182b276f33256b12bf1"
@@ -1565,7 +1596,7 @@ commander@2.9.0:
   dependencies:
     graceful-readlink ">= 1.0.0"
 
-commander@^2.9.0:
+commander@^2.9.0, commander@~2.11.0:
   version "2.11.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.11.0.tgz#157152fd1e7a6c8d98a5b715cf376df928004563"
 
@@ -1593,7 +1624,7 @@ concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
-concat-stream@1.6.0, concat-stream@^1.5.2:
+concat-stream@1.6.0, concat-stream@^1.5.0, concat-stream@^1.5.2:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
   dependencies:
@@ -1709,6 +1740,17 @@ cookie@0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
 
+copy-concurrently@^1.0.0:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/copy-concurrently/-/copy-concurrently-1.0.5.tgz#92297398cae34937fcafd6ec8139c18051f0b5e0"
+  dependencies:
+    aproba "^1.1.1"
+    fs-write-stream-atomic "^1.0.8"
+    iferr "^0.1.5"
+    mkdirp "^0.5.1"
+    rimraf "^2.5.4"
+    run-queue "^1.0.0"
+
 core-js@^1.0.0:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
@@ -1867,6 +1909,10 @@ currently-unhandled@^0.4.1:
   dependencies:
     array-find-index "^1.0.1"
 
+cyclist@~0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/cyclist/-/cyclist-0.2.2.tgz#1b33792e11e914a2fd6d6ed6447464444e5fa640"
+
 d@1:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/d/-/d-1.0.0.tgz#754bb5bfe55451da69a58b94d45f4c5b0462d58f"
@@ -2085,6 +2131,15 @@ dot-prop@^3.0.0:
   dependencies:
     is-obj "^1.0.0"
 
+duplexify@^3.1.2, duplexify@^3.4.2:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.5.1.tgz#4e1516be68838bc90a49994f0b39a6e5960befcd"
+  dependencies:
+    end-of-stream "^1.0.0"
+    inherits "^2.0.1"
+    readable-stream "^2.0.0"
+    stream-shift "^1.0.0"
+
 ecc-jsbn@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
@@ -2133,7 +2188,7 @@ encoding@^0.1.11:
   dependencies:
     iconv-lite "~0.4.13"
 
-end-of-stream@^1.0.0:
+end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.0.tgz#7a90d833efda6cfa6eac0f4949dbb0fad3a63206"
   dependencies:
@@ -2666,6 +2721,13 @@ flatten@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/flatten/-/flatten-1.0.2.tgz#dae46a9d78fbe25292258cc1e780a41d95c03782"
 
+flush-write-stream@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.0.2.tgz#c81b90d8746766f1a609a46809946c45dd8ae417"
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.4"
+
 follow-redirects@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-0.0.7.tgz#34b90bab2a911aa347571da90f22bd36ecd8a919"
@@ -2742,6 +2804,13 @@ friendly-errors-webpack-plugin@1.6.1:
     error-stack-parser "^2.0.0"
     string-length "^1.0.1"
 
+from2@^2.1.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/from2/-/from2-2.3.0.tgz#8bfb5502bde4a4d36cfdeea007fcca21d7e382af"
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.0"
+
 fs-extra@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.2.tgz#f91704c53d1b461f893452b0c307d9997647ab6b"
@@ -2750,6 +2819,15 @@ fs-extra@^4.0.2:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
+fs-write-stream-atomic@^1.0.8:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/fs-write-stream-atomic/-/fs-write-stream-atomic-1.0.10.tgz#b47df53493ef911df75731e70a9ded0189db40c9"
+  dependencies:
+    graceful-fs "^4.1.2"
+    iferr "^0.1.5"
+    imurmurhash "^0.1.4"
+    readable-stream "1 || 2"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -3214,6 +3292,10 @@ ieee754@^1.1.4:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
 
+iferr@^0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/iferr/-/iferr-0.1.5.tgz#c60eed69e6d8fdb6b3104a1fcbca1c192dc5b501"
+
 ignore@^3.0.9, ignore@^3.2.0:
   version "3.3.5"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.5.tgz#c4e715455f6073a8d7e5dae72d2fc9d71663dba6"
@@ -4237,7 +4319,7 @@ loud-rejection@^1.0.0:
     currently-unhandled "^0.4.1"
     signal-exit "^3.0.0"
 
-lru-cache@^4.0.0, lru-cache@^4.0.1:
+lru-cache@^4.0.0, lru-cache@^4.0.1, lru-cache@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.1.tgz#622e32e82488b49279114a4f9ecf45e7cd6bba55"
   dependencies:
@@ -4421,6 +4503,21 @@ minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
 
+mississippi@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-1.3.0.tgz#d201583eb12327e3c5c1642a404a9cacf94e34f5"
+  dependencies:
+    concat-stream "^1.5.0"
+    duplexify "^3.4.2"
+    end-of-stream "^1.1.0"
+    flush-write-stream "^1.0.0"
+    from2 "^2.1.0"
+    parallel-transform "^1.1.0"
+    pump "^1.0.0"
+    pumpify "^1.3.3"
+    stream-each "^1.1.0"
+    through2 "^2.0.0"
+
 mk-dirs@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/mk-dirs/-/mk-dirs-1.0.0.tgz#44ee67f82341c6762718e88e85e577882e1f67fd"
@@ -4452,6 +4549,17 @@ moment@^2.11.2:
   version "2.19.1"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.19.1.tgz#56da1a2d1cbf01d38b7e1afc31c10bcfa1929167"
 
+move-concurrently@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/move-concurrently/-/move-concurrently-1.0.1.tgz#be2c005fda32e0b29af1f05d7c4b33214c701f92"
+  dependencies:
+    aproba "^1.1.1"
+    copy-concurrently "^1.0.0"
+    fs-write-stream-atomic "^1.0.8"
+    mkdirp "^0.5.1"
+    rimraf "^2.5.4"
+    run-queue "^1.0.3"
+
 mri@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/mri/-/mri-1.1.0.tgz#5c0a3f29c8ccffbbb1ec941dcec09d71fa32f36a"
@@ -4761,7 +4869,7 @@ on-finished@~2.3.0:
   dependencies:
     ee-first "1.1.1"
 
-once@^1.3.0, once@^1.3.3, once@^1.4.0:
+once@^1.3.0, once@^1.3.1, once@^1.3.3, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   dependencies:
@@ -4873,6 +4981,14 @@ pako@~0.2.0:
   version "0.2.9"
   resolved "https://registry.yarnpkg.com/pako/-/pako-0.2.9.tgz#f3f7522f4ef782348da8161bad9ecfd51bf83a75"
 
+parallel-transform@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/parallel-transform/-/parallel-transform-1.1.0.tgz#d410f065b05da23081fcd10f28854c29bda33b06"
+  dependencies:
+    cyclist "~0.2.2"
+    inherits "^2.0.3"
+    readable-stream "^2.1.5"
+
 parse-asn1@^5.0.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.0.tgz#37c4f9b7ed3ab65c74817b5f2480937fbf97c712"
@@ -5102,6 +5218,10 @@ progress@^1.1.8:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
 
+promise-inflight@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/promise-inflight/-/promise-inflight-1.0.1.tgz#98472870bf228132fcbdd868129bad12c3c029e3"
+
 promise@^7.0.1, promise@^7.1.1:
   version "7.3.1"
   resolved "https://registry.yarnpkg.com/promise/-/promise-7.3.1.tgz#064b72602b18f90f29192b8b1bc418ffd1ebd3bf"
@@ -5152,6 +5272,21 @@ public-encrypt@^4.0.0:
     parse-asn1 "^5.0.0"
     randombytes "^2.0.1"
 
+pump@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-1.0.2.tgz#3b3ee6512f94f0e575538c17995f9f16990a5d51"
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
+pumpify@^1.3.3:
+  version "1.3.5"
+  resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.3.5.tgz#1b671c619940abcaeac0ad0e3a3c164be760993b"
+  dependencies:
+    duplexify "^3.1.2"
+    inherits "^2.0.1"
+    pump "^1.0.0"
+
 punycode@1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
@@ -5290,7 +5425,7 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
-readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.6:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.6:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
   dependencies:
@@ -5629,6 +5764,12 @@ run-parallel@^1.1.2:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.1.6.tgz#29003c9a2163e01e2d2dfc90575f2c6c1d61a039"
 
+run-queue@^1.0.0, run-queue@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/run-queue/-/run-queue-1.0.3.tgz#e848396f057d223f24386924618e25694161ec47"
+  dependencies:
+    aproba "^1.1.1"
+
 rx-lite@^3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-3.1.2.tgz#19ce502ca572665f3b647b10939f97fd1615f102"
@@ -5661,6 +5802,12 @@ sax@^1.2.1:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
+schema-utils@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.3.0.tgz#f5877222ce3e931edae039f17eb3716e7137f8cf"
+  dependencies:
+    ajv "^5.0.0"
+
 semantic-release@^8.0.3:
   version "8.2.1"
   resolved "https://registry.yarnpkg.com/semantic-release/-/semantic-release-8.2.1.tgz#0bd4c2d372b328b2617fb34688937e58387f1bc1"
@@ -5839,7 +5986,7 @@ source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.3, sour
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
-source-map@^0.6.1:
+source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
@@ -5908,7 +6055,7 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
-ssri@^4.1.2:
+ssri@^4.1.2, ssri@^4.1.6:
   version "4.1.6"
   resolved "https://registry.yarnpkg.com/ssri/-/ssri-4.1.6.tgz#0cb49b6ac84457e7bdd466cb730c3cb623e9a25b"
   dependencies:
@@ -5963,6 +6110,13 @@ stream-consume@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/stream-consume/-/stream-consume-0.1.0.tgz#a41ead1a6d6081ceb79f65b061901b6d8f3d1d0f"
 
+stream-each@^1.1.0:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/stream-each/-/stream-each-1.2.2.tgz#8e8c463f91da8991778765873fe4d960d8f616bd"
+  dependencies:
+    end-of-stream "^1.1.0"
+    stream-shift "^1.0.0"
+
 stream-http@^2.3.1:
   version "2.7.2"
   resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.7.2.tgz#40a050ec8dc3b53b33d9909415c02c0bf1abfbad"
@@ -5973,6 +6127,10 @@ stream-http@^2.3.1:
     to-arraybuffer "^1.0.0"
     xtend "^4.0.0"
 
+stream-shift@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.0.tgz#d5c752825e5367e786f78e18e445ea223a155952"
+
 stream-to-observable@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/stream-to-observable/-/stream-to-observable-0.1.0.tgz#45bf1d9f2d7dc09bed81f1c307c430e68b84cffe"
@@ -6342,6 +6500,13 @@ ua-parser-js@^0.7.9:
   version "0.7.17"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.17.tgz#e9ec5f9498b9ec910e7ae3ac626a805c4d09ecac"
 
+uglify-es@^3.0.24:
+  version "3.1.5"
+  resolved "https://registry.yarnpkg.com/uglify-es/-/uglify-es-3.1.5.tgz#63bae0fd4f9feeda417fee7c0ff685a673819683"
+  dependencies:
+    commander "~2.11.0"
+    source-map "~0.6.1"
+
 uglify-js@^2.6, uglify-js@^2.8.29:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
@@ -6363,6 +6528,18 @@ uglifyjs-webpack-plugin@^0.4.6:
     uglify-js "^2.8.29"
     webpack-sources "^1.0.1"
 
+uglifyjs-webpack-plugin@^1.0.0-beta.3:
+  version "1.0.0-beta.3"
+  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.0.0-beta.3.tgz#0715c2ee70bd927685c7cbccda678c6ceab6fc0f"
+  dependencies:
+    cacache "^9.2.9"
+    find-cache-dir "^1.0.0"
+    schema-utils "^0.3.0"
+    source-map "^0.5.6"
+    uglify-es "^3.0.24"
+    webpack-sources "^1.0.1"
+    worker-farm "^1.4.1"
+
 uid-number@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/uid-number/-/uid-number-0.0.5.tgz#5a3db23ef5dbd55b81fce0ec9a2ac6fccdebb81e"
@@ -6390,6 +6567,18 @@ uniq@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/uniq/-/uniq-1.0.1.tgz#b31c5ae8254844a3a8281541ce2b04b865a734ff"
 
+unique-filename@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/unique-filename/-/unique-filename-1.1.0.tgz#d05f2fe4032560871f30e93cbe735eea201514f3"
+  dependencies:
+    unique-slug "^2.0.0"
+
+unique-slug@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/unique-slug/-/unique-slug-2.0.0.tgz#db6676e7c7cc0629878ff196097c78855ae9f4ab"
+  dependencies:
+    imurmurhash "^0.1.4"
+
 universalify@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.1.tgz#fa71badd4437af4c148841e3b3b165f9e9e590b7"
@@ -6618,7 +6807,7 @@ wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
-worker-farm@^1.3.1:
+worker-farm@^1.3.1, worker-farm@^1.4.1:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.5.0.tgz#adfdf0cd40581465ed0a1f648f9735722afd5c8d"
   dependencies: