diff --git a/.babelrc b/.babelrc
index c13c5f6..c4fb0a9 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,3 +1,8 @@
 {
-  "presets": ["es2015"]
+  "presets": ["es2015"],
+  "env": {
+    "test": {
+      "plugins": ["istanbul"]
+    }
+  }
 }
diff --git a/karma.conf.babel.js b/karma.conf.babel.js
index 29820a2..1cc8991 100644
--- a/karma.conf.babel.js
+++ b/karma.conf.babel.js
@@ -6,11 +6,14 @@ export default (config) => {
   config.set({
     browsers: ['PhantomJS'],
     frameworks: ['mocha', 'chai'],
-    reporters: ['mocha'],
+    reporters: ['mocha', 'coverage'],
     files: ['test/index.js'],
     preprocessors: {
       'test/index.js': ['webpack']
     },
+    coverageReporter: {
+      type: 'lcov'
+    },
     webpack: webpackConfig,
     webpackMiddleware: {
       noInfo: true
diff --git a/package.json b/package.json
index 2541f3d..61bd4ee 100644
--- a/package.json
+++ b/package.json
@@ -11,9 +11,11 @@
     "babel-cli": "^6.18.0",
     "babel-core": "^6.18.0",
     "babel-loader": "^6.2.7",
+    "babel-plugin-istanbul": "^2.0.3",
     "babel-preset-es2015": "^6.18.0",
     "babel-register": "^6.18.0",
     "chai": "^3.5.0",
+    "cross-env": "^3.1.3",
     "css-loader": "^0.25.0",
     "doctoc": "^1.2.0",
     "express": "^4.14.0",
@@ -21,6 +23,7 @@
     "file-loader": "^0.9.0",
     "karma": "^1.3.0",
     "karma-chai": "^0.1.0",
+    "karma-coverage": "^1.1.1",
     "karma-mocha": "^1.2.0",
     "karma-mocha-reporter": "^2.2.0",
     "karma-phantomjs-launcher": "^1.0.2",
@@ -56,6 +59,11 @@
   ],
   "license": "MIT",
   "main": "lib",
+  "nyc": {
+    "exclude": [
+      "test/**/*.js"
+    ]
+  },
   "repository": {
     "url": "git@github.com:declandewet/vue-meta.git",
     "type": "git"
@@ -66,7 +74,7 @@
     "lint": "standard --verbose | snazzy",
     "prebuild": "rimraf lib",
     "pretest": "npm run lint",
-    "test": "karma start karma.conf.js",
+    "test": "cross-env NODE_ENV=test karma start karma.conf.js",
     "toc": "doctoc README.md --title '# Table of Contents'"
   },
   "standard": {
diff --git a/test/basic.spec.js b/test/basic.spec.js
index 94039fd..07f161b 100644
--- a/test/basic.spec.js
+++ b/test/basic.spec.js
@@ -1,6 +1,19 @@
+import Vue from 'vue'
+import Meta from 'vue-meta'
+
+Vue.use(Meta)
+
 describe('basic', () => {
-  it('does something', () => {
-    console.log('tests have yet to be written')
-    expect(2).to.equal(3)
+  it('sets the document title', () => {
+    new Vue({
+      template: `
+        <div id="app">
+        </div>
+      `,
+      metaInfo: {
+        title: 'Foo'
+      }
+    }).$mount()
+    expect(document.title).to.equal('Foo')
   })
 })
diff --git a/yarn.lock b/yarn.lock
index 8994051..4bb800e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1,6 +1,6 @@
 # THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
 # yarn lockfile v1
-abbrev@1:
+abbrev@1, abbrev@1.0.x:
   version "1.0.9"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.0.9.tgz#91b4792588a7738c25f35dd6f63752a2f8776135"
 
@@ -119,6 +119,10 @@ arr-flatten@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.0.1.tgz#e5ffe54d45e19f32f216e91eb99c8ce892bb604b"
 
+array-find-index@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
+
 array-flatten@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
@@ -145,7 +149,7 @@ arraybuffer.slice@0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/arraybuffer.slice/-/arraybuffer.slice-0.0.6.tgz#f33b2159f0532a3f3107a272c0ccfbd1ad2979ca"
 
-arrify@^1.0.0:
+arrify@^1.0.0, arrify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
 
@@ -183,7 +187,7 @@ async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
 
-async@^1.3.0:
+async@^1.3.0, async@^1.4.0, async@1.x:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
@@ -397,6 +401,15 @@ babel-plugin-check-es2015-constants@^6.3.13:
   dependencies:
     babel-runtime "^6.0.0"
 
+babel-plugin-istanbul:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-2.0.3.tgz#266b304b9109607d60748474394676982f660df4"
+  dependencies:
+    find-up "^1.1.2"
+    istanbul-lib-instrument "^1.1.4"
+    object-assign "^4.1.0"
+    test-exclude "^2.1.1"
+
 babel-plugin-transform-es2015-arrow-functions@^6.3.13:
   version "6.8.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.8.0.tgz#5b63afc3181bdc9a8c4d481b5a4f3f7d7fef3d9d"
@@ -670,7 +683,7 @@ babel-types@^6.16.0, babel-types@^6.18.0, babel-types@^6.8.0, babel-types@^6.9.0
     lodash "^4.2.0"
     to-fast-properties "^1.0.1"
 
-babylon@^6.11.0:
+babylon@^6.11.0, babylon@^6.13.0:
   version "6.13.1"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.13.1.tgz#adca350e088f0467647157652bafead6ddb8dfdb"
 
@@ -935,6 +948,13 @@ callsites@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
 
+camelcase-keys@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-2.1.0.tgz#308beeaffdf28119051efa1d932213c91b8f92e7"
+  dependencies:
+    camelcase "^2.0.0"
+    map-obj "^1.0.0"
+
 camelcase@^1.0.2:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
@@ -1285,6 +1305,19 @@ create-hmac@^1.1.0, create-hmac@^1.1.2:
     create-hash "^1.1.0"
     inherits "^2.0.1"
 
+cross-env:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-3.1.3.tgz#58cd8231808f50089708b091f7dd37275a8e8154"
+  dependencies:
+    cross-spawn "^3.0.1"
+
+cross-spawn@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-3.0.1.tgz#1256037ecb9f0c5f79e3d6ef135e30770184b982"
+  dependencies:
+    lru-cache "^4.0.1"
+    which "^1.2.9"
+
 cryptiles@2.x.x:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
@@ -1383,6 +1416,12 @@ csso@~2.2.1:
     clap "^1.0.9"
     source-map "^0.5.3"
 
+currently-unhandled@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
+  dependencies:
+    array-find-index "^1.0.1"
+
 custom-event@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/custom-event/-/custom-event-1.0.1.tgz#5d02a46850adf1b4a317946a3928fccb5bfd0425"
@@ -1403,6 +1442,13 @@ date-now@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
 
+dateformat@^1.0.6:
+  version "1.0.12"
+  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-1.0.12.tgz#9f124b67594c937ff706932e4a642cca8dbbfee9"
+  dependencies:
+    get-stdin "^4.0.1"
+    meow "^3.3.0"
+
 de-indent@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/de-indent/-/de-indent-1.0.2.tgz#b2038e846dc33baa5796128d0804b455b8c1e21d"
@@ -1749,6 +1795,17 @@ escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5, escape-string-regexp@1
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
 
+escodegen@1.8.x:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.8.1.tgz#5a5b53af4693110bebb0867aa3430dd3b70a1018"
+  dependencies:
+    esprima "^2.7.1"
+    estraverse "^1.9.1"
+    esutils "^2.0.2"
+    optionator "^0.8.1"
+  optionalDependencies:
+    source-map "~0.2.0"
+
 escope@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/escope/-/escope-3.6.0.tgz#e01975e812781a163a6dadfdd80398dc64c889c3"
@@ -1826,7 +1883,7 @@ espree@^3.3.1:
     acorn "^4.0.1"
     acorn-jsx "^3.0.0"
 
-esprima@^2.6.0:
+esprima@^2.6.0, esprima@^2.7.1, esprima@2.7.x:
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
 
@@ -1837,6 +1894,10 @@ esrecurse@^4.1.0:
     estraverse "~4.1.0"
     object-assign "^4.0.1"
 
+estraverse@^1.9.1:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-1.9.3.tgz#af67f2dc922582415950926091a4005d29c9bb44"
+
 estraverse@^4.1.1, estraverse@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
@@ -2058,7 +2119,7 @@ find-root@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/find-root/-/find-root-1.0.0.tgz#962ff211aab25c6520feeeb8d6287f8f6e95807a"
 
-find-up@^1.0.0:
+find-up@^1.0.0, find-up@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
   dependencies:
@@ -2200,6 +2261,10 @@ get-caller-file@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.2.tgz#f702e63127e7e231c160a80c1554acb70d5047e5"
 
+get-stdin@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
+
 get-stdin@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
@@ -2223,7 +2288,7 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
-glob@^5.0.5:
+glob@^5.0.15, glob@^5.0.5:
   version "5.0.15"
   resolved "https://registry.yarnpkg.com/glob/-/glob-5.0.15.tgz#1bc936b9e02f4a603fcc222ecf7633d30b8b93b1"
   dependencies:
@@ -2307,6 +2372,16 @@ handle-thing@^1.2.4:
   version "1.2.5"
   resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-1.2.5.tgz#fd7aad726bf1a5fd16dfc29b2f7a6601d27139c4"
 
+handlebars@^4.0.1:
+  version "4.0.5"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.5.tgz#92c6ed6bb164110c50d4d8d0fbddc70806c6f8e7"
+  dependencies:
+    async "^1.4.0"
+    optimist "^0.6.1"
+    source-map "^0.4.4"
+  optionalDependencies:
+    uglify-js "^2.6"
+
 har-validator@~2.0.2, har-validator@~2.0.6:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-2.0.6.tgz#cdcbc08188265ad119b6a5a7c8ab70eecfb5d27d"
@@ -2491,6 +2566,12 @@ imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
 
+indent-string@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-2.1.0.tgz#8e2d48348742121b4a8218b7a137e9a52049dc80"
+  dependencies:
+    repeating "^2.0.0"
+
 indexes-of@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/indexes-of/-/indexes-of-1.0.1.tgz#f30f716c8e2bd346c7b67d3df3915566a7c05607"
@@ -2752,6 +2833,41 @@ isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
+istanbul-lib-coverage@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.0.0.tgz#c3f9b6d226da12424064cce87fce0fb57fdfa7a2"
+
+istanbul-lib-instrument@^1.1.4:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.2.0.tgz#73d5d108ab7568c373fdcb7d01c1d42d565bc8c4"
+  dependencies:
+    babel-generator "^6.18.0"
+    babel-template "^6.16.0"
+    babel-traverse "^6.18.0"
+    babel-types "^6.18.0"
+    babylon "^6.13.0"
+    istanbul-lib-coverage "^1.0.0"
+    semver "^5.3.0"
+
+istanbul@^0.4.0:
+  version "0.4.5"
+  resolved "https://registry.yarnpkg.com/istanbul/-/istanbul-0.4.5.tgz#65c7d73d4c4da84d4f3ac310b918fb0b8033733b"
+  dependencies:
+    abbrev "1.0.x"
+    async "1.x"
+    escodegen "1.8.x"
+    esprima "2.7.x"
+    glob "^5.0.15"
+    handlebars "^4.0.1"
+    js-yaml "3.x"
+    mkdirp "0.5.x"
+    nopt "3.x"
+    once "1.x"
+    resolve "1.1.x"
+    supports-color "^3.1.0"
+    which "^1.1.1"
+    wordwrap "^1.0.0"
+
 jodid25519@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/jodid25519/-/jodid25519-1.0.2.tgz#06d4912255093419477d425633606e0e90782967"
@@ -2775,7 +2891,7 @@ js-tokens@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-2.0.0.tgz#79903f5563ee778cc1162e6dcf1a0027c97f9cb5"
 
-js-yaml@^3.5.1, js-yaml@~3.6.1:
+js-yaml@^3.5.1, js-yaml@~3.6.1, js-yaml@3.x:
   version "3.6.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.6.1.tgz#6e5fe67d8b205ce4d22fad05b7781e8dadcc4b30"
   dependencies:
@@ -2884,6 +3000,16 @@ karma-chai:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/karma-chai/-/karma-chai-0.1.0.tgz#bee5ad40400517811ae34bb945f762909108b79a"
 
+karma-coverage:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/karma-coverage/-/karma-coverage-1.1.1.tgz#5aff8b39cf6994dc22de4c84362c76001b637cf6"
+  dependencies:
+    dateformat "^1.0.6"
+    istanbul "^0.4.0"
+    lodash "^3.8.0"
+    minimatch "^3.0.0"
+    source-map "^0.5.1"
+
 karma-mocha:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/karma-mocha/-/karma-mocha-1.2.0.tgz#bca6be2a66805b847417e8d2873fd0b5b27ee7cd"
@@ -3097,6 +3223,13 @@ loose-envify@^1.0.0:
   dependencies:
     js-tokens "^2.0.0"
 
+loud-rejection@^1.0.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
+  dependencies:
+    currently-unhandled "^0.4.1"
+    signal-exit "^3.0.0"
+
 lru-cache@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-3.2.0.tgz#71789b3b7f5399bec8565dda38aa30d2a097efee"
@@ -3130,6 +3263,10 @@ magic-string@^0.16.0:
   dependencies:
     vlq "^0.2.1"
 
+map-obj@^1.0.0, map-obj@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
+
 markdown-table@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/markdown-table/-/markdown-table-0.4.0.tgz#890c2c1b3bfe83fb00e4129b8e4cfe645270f9d1"
@@ -3160,6 +3297,21 @@ memory-fs@^0.3.0, memory-fs@~0.3.0:
     errno "^0.1.3"
     readable-stream "^2.0.1"
 
+meow@^3.3.0:
+  version "3.7.0"
+  resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
+  dependencies:
+    camelcase-keys "^2.0.0"
+    decamelize "^1.1.2"
+    loud-rejection "^1.0.0"
+    map-obj "^1.0.1"
+    minimist "^1.1.3"
+    normalize-package-data "^2.3.4"
+    object-assign "^4.0.1"
+    read-pkg-up "^1.0.1"
+    redent "^1.0.0"
+    trim-newlines "^1.0.0"
+
 merge-descriptors@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
@@ -3227,7 +3379,7 @@ minimatch@^3.0.0, minimatch@^3.0.2, "minimatch@2 || 3":
   dependencies:
     brace-expansion "^1.0.0"
 
-minimist@^1.1.0, minimist@^1.1.1, minimist@^1.2.0:
+minimist@^1.1.0, minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
@@ -3243,7 +3395,7 @@ minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-mkdirp@^0.5.0, mkdirp@^0.5.1, "mkdirp@>=0.5 0", mkdirp@~0.5.0, mkdirp@~0.5.1, mkdirp@0.5.1:
+mkdirp@^0.5.0, mkdirp@^0.5.1, "mkdirp@>=0.5 0", mkdirp@~0.5.0, mkdirp@~0.5.1, mkdirp@0.5.1, mkdirp@0.5.x:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
@@ -3341,13 +3493,13 @@ node-uuid@~1.4.7:
   version "1.4.7"
   resolved "https://registry.yarnpkg.com/node-uuid/-/node-uuid-1.4.7.tgz#6da5a17668c4b3dd59623bda11cf7fa4c1f60a6f"
 
-nopt@~3.0.1, nopt@~3.0.6:
+nopt@~3.0.1, nopt@~3.0.6, nopt@3.x:
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-3.0.6.tgz#c6465dbf08abcd4db359317f79ac68a646b28ff9"
   dependencies:
     abbrev "1"
 
-normalize-package-data@^2.3.2:
+normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
   version "2.3.5"
   resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.3.5.tgz#8d924f142960e1777e7ffe170543631cc7cb02df"
   dependencies:
@@ -3431,7 +3583,7 @@ on-headers@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.1.tgz#928f5d0f470d49342651ea6794b0857c100693f7"
 
-once@^1.3.0:
+once@^1.3.0, once@1.x:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   dependencies:
@@ -3461,7 +3613,7 @@ optimist@^0.6.1:
     minimist "~0.0.1"
     wordwrap "~0.0.2"
 
-optionator@^0.8.2:
+optionator@^0.8.1, optionator@^0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
   dependencies:
@@ -4127,6 +4279,13 @@ readline2@^1.0.1:
     is-fullwidth-code-point "^1.0.0"
     mute-stream "0.0.5"
 
+redent@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/redent/-/redent-1.0.0.tgz#cf916ab1fd5f1f16dfb20822dd6ec7f730c2afde"
+  dependencies:
+    indent-string "^2.1.0"
+    strip-indent "^1.0.1"
+
 reduce-css-calc@^1.2.6:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/reduce-css-calc/-/reduce-css-calc-1.3.0.tgz#747c914e049614a4c9cfbba629871ad1d2927716"
@@ -4342,7 +4501,7 @@ resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
 
-resolve@^1.1.6, resolve@^1.1.7, resolve@1.1.7:
+resolve@^1.1.6, resolve@^1.1.7, resolve@1.1.7, resolve@1.1.x:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
 
@@ -4429,14 +4588,14 @@ select-hose@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
 
+semver@^5.3.0, semver@~5.3.0, "semver@2 || 3 || 4 || 5":
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
+
 semver@~4.3.3:
   version "4.3.6"
   resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
 
-semver@~5.3.0, "semver@2 || 3 || 4 || 5":
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
-
 send@0.14.1:
   version "0.14.1"
   resolved "https://registry.yarnpkg.com/send/-/send-0.14.1.tgz#a954984325392f51532a7760760e459598c89f7a"
@@ -4630,10 +4789,22 @@ source-map@^0.1.41:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.3:
+source-map@^0.4.4:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
+  dependencies:
+    amdefine ">=0.0.4"
+
+source-map@^0.5.0, source-map@^0.5.1, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.3:
   version "0.5.6"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
 
+source-map@~0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.2.0.tgz#dab73fbcfc2ba819b4de03bd6f6eaa48164b3f9d"
+  dependencies:
+    amdefine ">=0.0.4"
+
 spdx-correct@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-1.0.2.tgz#4b3073d933ff51f3912f03ac5519498a4150db40"
@@ -4777,6 +4948,12 @@ strip-bom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
 
+strip-indent@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
+  dependencies:
+    get-stdin "^4.0.1"
+
 strip-json-comments@~1.0.1, strip-json-comments@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-1.0.4.tgz#1e15fbcac97d3ee99bf2d73b4c656b082bbafb91"
@@ -4845,6 +5022,16 @@ tar@~2.2.1:
     fstream "^1.0.2"
     inherits "2"
 
+test-exclude@^2.1.1:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-2.1.3.tgz#a8d8968e1da83266f9864f2852c55e220f06434a"
+  dependencies:
+    arrify "^1.0.1"
+    micromatch "^2.3.11"
+    object-assign "^4.1.0"
+    read-pkg-up "^1.0.1"
+    require-main-filename "^1.0.1"
+
 text-table@^0.2.0, text-table@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
@@ -4897,6 +5084,10 @@ traverse@^0.6.6:
   version "0.6.6"
   resolved "https://registry.yarnpkg.com/traverse/-/traverse-0.6.6.tgz#cbdf560fd7b9af632502fed40f918c157ea97137"
 
+trim-newlines@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
+
 trim-trailing-lines@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/trim-trailing-lines/-/trim-trailing-lines-1.0.0.tgz#dbb638247a2232f669121c458fccd48fc2670c8e"
@@ -4946,7 +5137,7 @@ typedarray@~0.0.5:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-uglify-js@~2.7.3:
+uglify-js@^2.6, uglify-js@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.7.4.tgz#a295a0de12b6a650c031c40deb0dc40b14568bd2"
   dependencies:
@@ -5303,7 +5494,7 @@ which-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
 
-which@~1.2.10, which@~1.2.2:
+which@^1.1.1, which@^1.2.9, which@~1.2.10, which@~1.2.2:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/which/-/which-1.2.11.tgz#c8b2eeea6b8c1659fa7c1dd4fdaabe9533dc5e8b"
   dependencies:
@@ -5323,14 +5514,14 @@ window-size@0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
 
+wordwrap@^1.0.0, wordwrap@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
+
 wordwrap@~0.0.2:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
 
-wordwrap@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
-
 wordwrap@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"