diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8c2adcb..b515099 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -51,8 +51,8 @@ jobs:
       - attach_workspace:
           at: .
       - run:
-          name: Run Tests
-          command: yarn test
+          name: Run Node Tests
+          command: yes | yarn nodetest
 
 workflows:
   version: 2
diff --git a/.eslintrc.js b/.eslintrc.js
index e44499a..adc95a6 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -45,6 +45,14 @@ module.exports = {
           // add your custom rules and overrides for node files here
         }
       )
+    },
+    {
+      files: ["node-tests/**/*.js"],
+      env: {
+        browser: false,
+        node: true,
+        mocha: true
+      }
     }
   ]
 };
diff --git a/.npmignore b/.npmignore
index fba9154..b440a1b 100644
--- a/.npmignore
+++ b/.npmignore
@@ -29,3 +29,4 @@
 /.node_modules.ember-try/
 /bower.json.ember-try
 /package.json.ember-try
+/node-tests
diff --git a/blueprints/ember-circleci/index.js b/blueprints/ember-circleci/index.js
index d764bec..9acaeb9 100644
--- a/blueprints/ember-circleci/index.js
+++ b/blueprints/ember-circleci/index.js
@@ -13,14 +13,28 @@ module.exports = {
 
   locals(options) {
     let {
+      addon,
       exam,
       project: {
         root,
         pkg: { name, keywords = [] }
-      }
+      },
+      yarn
     } = options;
     isAddon = keywords.includes("ember-addon");
+    if (isAddon && addon !== undefined && addon !== true) {
+      isAddon = false;
+    }
+    if (!isAddon && addon === true) {
+      isAddon = true;
+    }
     let hasYarn = existsSync(path.join(root, "yarn.lock"));
+    if (hasYarn && yarn !== undefined && yarn !== true) {
+      hasYarn = false;
+    }
+    if (!hasYarn && yarn === true) {
+      hasYarn = true;
+    }
     hasExam = exam !== undefined;
     return {
       name: stringUtil.dasherize(name),
diff --git a/node-tests/blueprints/ember-circleci-test.js b/node-tests/blueprints/ember-circleci-test.js
new file mode 100644
index 0000000..ae46157
--- /dev/null
+++ b/node-tests/blueprints/ember-circleci-test.js
@@ -0,0 +1,124 @@
+"use strict";
+
+const { readJsonSync, removeSync } = require("fs-extra");
+const { join } = require("path");
+const {
+  setupTestHooks,
+  emberNew,
+  emberGenerate
+} = require("ember-cli-blueprint-test-helpers/helpers");
+const { expect, file } = require("ember-cli-blueprint-test-helpers/chai");
+
+const appPath = process.cwd();
+
+function getDevDependencies() {
+  let pkg = readJsonSync("package.json");
+  return Object.keys(pkg.devDependencies);
+}
+
+describe("Acceptance: ember generate ember-circleci", function() {
+  setupTestHooks(this);
+
+  beforeEach(function() {
+    removeSync(join(appPath, "testem.js"));
+    removeSync(join(appPath, ".circleci", "config.yml"));
+    removeSync(join(appPath, "tests", "test-helper.js"));
+    removeSync(join(appPath, "config", "ember-try.js"));
+  });
+
+  it("ember-circleci without activate parameters in application", function() {
+    let args = ["ember-circleci", "--yarn=nope", "--addon=nope"];
+    return emberNew()
+      .then(() => emberGenerate(args))
+      .then(() => {
+        expect(file(".circleci/config.yml")).to.contain("npm install");
+        expect(file("tests/test-helper.js")).to.contain(
+          'import start from "ember-exam/test-support/start";'
+        );
+        expect(file("tests/test-helper.js")).to.contain("start();");
+      });
+  });
+
+  it("ember-circleci without activate parameters in addon", function() {
+    let args = ["ember-circleci", "--yarn=nope", "--addon"];
+    return emberNew()
+      .then(() => emberGenerate(args))
+      .then(() => {
+        expect(file(".circleci/config.yml")).to.contain("npm install");
+        expect(file("tests/test-helper.js")).to.contain(
+          'import start from "ember-exam/test-support/start";'
+        );
+        expect(file("tests/test-helper.js")).to.contain("start();");
+      });
+  });
+
+  it("ember-circleci with --yarn parameter in application", function() {
+    let args = ["ember-circleci", "--yarn", "--addon=nope"];
+    return emberNew()
+      .then(() => emberGenerate(args))
+      .then(() => {
+        expect(file(".circleci/config.yml")).to.contain("yarn install");
+      });
+  });
+
+  it("ember-circleci with --yarn parameter in addon", function() {
+    let args = ["ember-circleci", "--yarn", "--addon"];
+    return emberNew()
+      .then(() => emberGenerate(args))
+      .then(() => {
+        expect(file(".circleci/config.yml")).to.contain("yarn install");
+        expect(file("config/ember-try.js")).to.contain("useYarn: true");
+      });
+  });
+
+  it("ember-circleci with --exam parameter in application", function() {
+    let args = ["ember-circleci", "--exam", "--addon=nope"];
+    return emberNew()
+      .then(() => emberGenerate(args))
+      .then(() => {
+        expect(file(".circleci/config.yml")).to.not.contain("parallelism:");
+      });
+  });
+
+  it("ember-circleci with --exam parameter in addon", function() {
+    let args = ["ember-circleci", "--exam", "--addon"];
+    return emberNew()
+      .then(() => emberGenerate(args))
+      .then(() => {
+        expect(file(".circleci/config.yml")).to.contain("parallelism: 4");
+        expect(file("config/ember-try.js")).to.contain(
+          "command: `ember exam --split=${process.env.CIRCLE_NODE_TOTAL} --partition=${Number(process.env.CIRCLE_NODE_INDEX) + 1} --parallel --load-balance`,"
+        );
+      });
+  });
+
+  it("ember-circleci with --exam=bonjour parameter in addon", function() {
+    let args = ["ember-circleci", "--exam=bonjour", "--addon"];
+    return emberNew()
+      .then(() => emberGenerate(args))
+      .then(() => {
+        expect(file(".circleci/config.yml")).to.contain("parallelism: 4");
+      });
+  });
+
+  it("ember-circleci with --exam=2 parameter in addon", function() {
+    let args = ["ember-circleci", "--exam=2", "--addon"];
+    return emberNew()
+      .then(() => emberGenerate(args))
+      .then(() => {
+        expect(file(".circleci/config.yml")).to.contain("parallelism: 2");
+      });
+  });
+
+  it("adds ember-exam as a dependency", () => {
+    let args = ["ember-circleci", "--exam", "--addon"];
+    return emberNew()
+      .then(() => {
+        expect(getDevDependencies()).to.not.contain("ember-exam");
+      })
+      .then(() => emberGenerate(args))
+      .then(() => {
+        expect(getDevDependencies()).to.contain("ember-exam");
+      });
+  });
+});
diff --git a/package.json b/package.json
index 76521b1..fc9b7dc 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,8 @@
     "lint:js": "eslint .",
     "start": "ember serve",
     "test": "ember test",
-    "test:all": "ember try:each"
+    "test:all": "ember try:each",
+    "nodetest": "mocha node-tests --recursive"
   },
   "dependencies": {
     "ember-cli-babel": "^7.7.3",
@@ -33,6 +34,7 @@
     "@ember/optional-features": "^0.7.0",
     "broccoli-asset-rev": "^3.0.0",
     "ember-cli": "~3.10.1",
+    "ember-cli-blueprint-test-helpers": "^0.19.2",
     "ember-cli-dependency-checker": "^3.1.0",
     "ember-cli-eslint": "^5.1.0",
     "ember-cli-htmlbars": "^3.0.1",
@@ -52,8 +54,11 @@
     "ember-try": "^1.0.0",
     "eslint-plugin-ember": "^6.2.0",
     "eslint-plugin-node": "^9.0.1",
+    "fs-extra": "^7.0.1",
     "loader.js": "^4.7.0",
-    "qunit-dom": "^0.8.4"
+    "mocha": "^5.0.0",
+    "qunit-dom": "^0.8.4",
+    "rimraf": "^2.6.3"
   },
   "engines": {
     "node": "8.* || >= 10.*"
diff --git a/tests/unit/.gitkeep b/tests/unit/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/tests/unit/utils/ember-observer-test.js b/tests/unit/utils/ember-observer-test.js
deleted file mode 100644
index ab618a4..0000000
--- a/tests/unit/utils/ember-observer-test.js
+++ /dev/null
@@ -1,7 +0,0 @@
-import { module, test } from "qunit";
-
-module("Unit | Utility | ember-observer", function() {
-  test("it works", function(assert) {
-    assert.ok(true);
-  });
-});
diff --git a/yarn.lock b/yarn.lock
index 1cf9b29..08fda54 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1005,6 +1005,11 @@ arraybuffer.slice@~0.0.7:
   resolved "https://registry.yarnpkg.com/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz#3bbc4275dd584cc1b10809b89d4e8b63a69e7675"
   integrity sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog==
 
+assertion-error@^1.0.1, assertion-error@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
+  integrity sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==
+
 assign-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
@@ -2232,6 +2237,11 @@ broccoli@^2.3.0:
     underscore.string "^3.2.2"
     watch-detector "^0.1.0"
 
+browser-stdout@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.1.tgz#baa559ee14ced73452229bad7326467c61fabd60"
+  integrity sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==
+
 browserslist@^3.2.6:
   version "3.2.8"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
@@ -2381,7 +2391,49 @@ cardinal@^1.0.0:
     ansicolors "~0.2.1"
     redeyed "~1.0.0"
 
-chalk@^1.0.0, chalk@^1.1.3:
+chai-as-promised@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/chai-as-promised/-/chai-as-promised-6.0.0.tgz#1a02a433a6f24dafac63b9c96fa1684db1aa8da6"
+  integrity sha1-GgKkM6byTa+sY7nJb6FoTbGqjaY=
+  dependencies:
+    check-error "^1.0.2"
+
+chai-as-promised@^7.0.0:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/chai-as-promised/-/chai-as-promised-7.1.1.tgz#08645d825deb8696ee61725dbf590c012eb00ca0"
+  integrity sha512-azL6xMoi+uxu6z4rhWQ1jbdUhOMhis2PvscD/xjLqNMkv3BPPp2JyyuTHOrf9BOosGpNQ11v6BKv/g57RXbiaA==
+  dependencies:
+    check-error "^1.0.2"
+
+chai-files@^1.0.0, chai-files@^1.1.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/chai-files/-/chai-files-1.4.0.tgz#0e25610fadc551b1eae79c2f4ee79faf2f842296"
+  integrity sha1-DiVhD63FUbHq55wvTuefry+EIpY=
+  dependencies:
+    assertion-error "^1.0.1"
+
+chai@^3.3.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-3.5.0.tgz#4d02637b067fe958bdbfdd3a40ec56fef7373247"
+  integrity sha1-TQJjewZ/6Vi9v906QOxW/vc3Mkc=
+  dependencies:
+    assertion-error "^1.0.1"
+    deep-eql "^0.1.3"
+    type-detect "^1.0.0"
+
+chai@^4.1.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-4.2.0.tgz#760aa72cf20e3795e84b12877ce0e83737aa29e5"
+  integrity sha512-XQU3bhBukrOsQCuwZndwGcCVQHyZi53fQ6Ys1Fym7E4olpIqqZZhhoFJoaKVvV17lWQoXYwgWN2nF5crA8J2jw==
+  dependencies:
+    assertion-error "^1.1.0"
+    check-error "^1.0.2"
+    deep-eql "^3.0.1"
+    get-func-name "^2.0.0"
+    pathval "^1.1.0"
+    type-detect "^4.0.5"
+
+chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
@@ -2418,6 +2470,11 @@ charm@^1.0.0:
   dependencies:
     inherits "^2.0.1"
 
+check-error@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
+  integrity sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=
+
 ci-info@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-2.0.0.tgz#67a9e964be31a51e15e5010d58e6f12834002f46"
@@ -2556,6 +2613,11 @@ commander@2.12.2:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.12.2.tgz#0f5946c427ed9ec0d91a46bb9def53e54650e555"
   integrity sha512-BFnaq5ZOGcDN7FlrtBT4xxkgIToalIIxwjxLWVJ8bGTpe1LroqMiqQXdA7ygc7CRvaYS+9zfPGFnJqFSayx+AA==
 
+commander@2.15.1:
+  version "2.15.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
+  integrity sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==
+
 commander@2.8.x:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
@@ -2778,6 +2840,13 @@ debug@2.6.9, debug@^2.1.0, debug@^2.1.1, debug@^2.1.3, debug@^2.2.0, debug@^2.3.
   dependencies:
     ms "2.0.0"
 
+debug@3.1.0, debug@~3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
+  dependencies:
+    ms "2.0.0"
+
 debug@^3.0.1, debug@^3.1.0, debug@^3.2.6:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
@@ -2792,13 +2861,6 @@ debug@^4.0.1, debug@^4.1.0, debug@^4.1.1, debug@~4.1.0:
   dependencies:
     ms "^2.1.1"
 
-debug@~3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
-  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
-  dependencies:
-    ms "2.0.0"
-
 decode-uri-component@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
@@ -2811,6 +2873,20 @@ decompress-response@^3.3.0:
   dependencies:
     mimic-response "^1.0.0"
 
+deep-eql@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-0.1.3.tgz#ef558acab8de25206cd713906d74e56930eb69f2"
+  integrity sha1-71WKyrjeJSBs1xOQbXTlaTDrafI=
+  dependencies:
+    type-detect "0.1.1"
+
+deep-eql@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-3.0.1.tgz#dfc9404400ad1c8fe023e7da1df1c147c4b444df"
+  integrity sha512-+QeIQyN5ZuO+3Uk5DYh6/1eKO0m0YmJFGNmFHGACpf1ClL1nmlV/p4gNgbl2pJGxgXb4faqo6UE+M5ACEMyVcw==
+  dependencies:
+    type-detect "^4.0.0"
+
 deep-extend@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
@@ -2889,6 +2965,11 @@ detect-indent@^5.0.0:
   resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-5.0.0.tgz#3871cc0a6a002e8c3e5b3cf7f336264675f06b9d"
   integrity sha1-OHHMCmoALow+Wzz38zYmRnXwa50=
 
+diff@3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
+  integrity sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==
+
 diff@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.1.tgz#0c667cb467ebbb5cea7f14f135cc2dba7780a8ff"
@@ -2999,6 +3080,20 @@ ember-cli-babel@^7.0.0, ember-cli-babel@^7.4.3, ember-cli-babel@^7.5.0, ember-cl
     ensure-posix-path "^1.0.2"
     semver "^5.5.0"
 
+ember-cli-blueprint-test-helpers@^0.19.2:
+  version "0.19.2"
+  resolved "https://registry.yarnpkg.com/ember-cli-blueprint-test-helpers/-/ember-cli-blueprint-test-helpers-0.19.2.tgz#9e563cd81ab39931253ced0982c5d02475895401"
+  integrity sha512-otCKdGcNFK0+MkQo+LLjYbRD9EerApH6Z/odvvlL1hxrN+owHMV5E+jI2rbtdvNEH0/6w5ZqjH4kS232fvtCxQ==
+  dependencies:
+    chai "^4.1.0"
+    chai-as-promised "^7.0.0"
+    chai-files "^1.0.0"
+    debug "^4.1.0"
+    ember-cli-internal-test-helpers "^0.9.1"
+    fs-extra "^7.0.0"
+    testdouble "^3.2.6"
+    tmp-sync "^1.0.0"
+
 ember-cli-broccoli-sane-watcher@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ember-cli-broccoli-sane-watcher/-/ember-cli-broccoli-sane-watcher-3.0.0.tgz#dc1812c047e1ceec4413d3c41b51a9ffc61b4cfe"
@@ -3065,6 +3160,24 @@ ember-cli-inject-live-reload@^1.8.2:
     clean-base-url "^1.0.0"
     ember-cli-version-checker "^2.1.2"
 
+ember-cli-internal-test-helpers@^0.9.1:
+  version "0.9.1"
+  resolved "https://registry.yarnpkg.com/ember-cli-internal-test-helpers/-/ember-cli-internal-test-helpers-0.9.1.tgz#d54a9124bb6408ceba83f049ba8479f4b96cdd19"
+  integrity sha1-1UqRJLtkCM66g/BJuoR59Lls3Rk=
+  dependencies:
+    chai "^3.3.0"
+    chai-as-promised "^6.0.0"
+    chai-files "^1.1.0"
+    chalk "^1.1.1"
+    debug "^2.2.0"
+    exists-sync "0.0.3"
+    fs-extra "^0.30.0"
+    lodash "^4.0.0"
+    rsvp "^3.0.17"
+    symlink-or-copy "^1.0.1"
+    through "^2.3.8"
+    walk-sync "^0.3.1"
+
 ember-cli-is-package-missing@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/ember-cli-is-package-missing/-/ember-cli-is-package-missing-1.0.0.tgz#6e6184cafb92635dd93ca6c946b104292d4e3390"
@@ -3497,7 +3610,7 @@ escape-html@~1.0.3:
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
   integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
 
-escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
+escape-string-regexp@1.0.5, escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
   integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
@@ -3676,6 +3789,11 @@ execa@^1.0.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
+exists-sync@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/exists-sync/-/exists-sync-0.0.3.tgz#b910000bedbb113b378b82f5f5a7638107622dcf"
+  integrity sha1-uRAAC+27ETs3i4L19adjgQdiLc8=
+
 exists-sync@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/exists-sync/-/exists-sync-0.0.4.tgz#9744c2c428cc03b01060db454d4b12f0ef3c8879"
@@ -4015,6 +4133,17 @@ fs-extra@^0.24.0:
     path-is-absolute "^1.0.0"
     rimraf "^2.2.8"
 
+fs-extra@^0.30.0:
+  version "0.30.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-0.30.0.tgz#f233ffcc08d4da7d432daa449776989db1df93f0"
+  integrity sha1-8jP/zAjU2n1DLapEl3aYnbHfk/A=
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^2.1.0"
+    klaw "^1.0.0"
+    path-is-absolute "^1.0.0"
+    rimraf "^2.2.8"
+
 fs-extra@^4.0.2, fs-extra@^4.0.3:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.3.tgz#0d852122e5bc5beb453fb028e9c0c9bf36340c94"
@@ -4042,7 +4171,7 @@ fs-extra@^6.0.1:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
-fs-extra@^7.0.1:
+fs-extra@^7.0.0, fs-extra@^7.0.1:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-7.0.1.tgz#4f189c44aa123b895f722804f55ea23eadc348e9"
   integrity sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==
@@ -4051,6 +4180,17 @@ fs-extra@^7.0.1:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
+fs-sync@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/fs-sync/-/fs-sync-1.0.6.tgz#13f1d33a82edf441805fcc7cf6fabe246936166d"
+  integrity sha512-OgbfyvmGVryknZfDXVVhua6OW8946R+AF3O2xxrCW/XFxCYZ4CO2Jrl7kYhrpjZLYvB9gxvWpLikEc9YL9HzCA==
+  dependencies:
+    glob "^7.1.0"
+    iconv-lite "^0.4.13"
+    lodash "^4.16.1"
+    mkdirp "^0.5.1"
+    rimraf "^2.1.4"
+
 fs-tree-diff@^0.5.2, fs-tree-diff@^0.5.3, fs-tree-diff@^0.5.4, fs-tree-diff@^0.5.6, fs-tree-diff@^0.5.7:
   version "0.5.9"
   resolved "https://registry.yarnpkg.com/fs-tree-diff/-/fs-tree-diff-0.5.9.tgz#a4ec6182c2f5bd80b9b83c8e23e4522e6f5fd946"
@@ -4117,6 +4257,11 @@ get-caller-file@^2.0.5:
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
   integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
 
+get-func-name@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
+  integrity sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=
+
 get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
@@ -4202,6 +4347,18 @@ glob-to-regexp@^0.3.0:
   resolved "https://registry.yarnpkg.com/glob-to-regexp/-/glob-to-regexp-0.3.0.tgz#8c5a1494d2066c570cc3bfe4496175acc4d502ab"
   integrity sha1-jFoUlNIGbFcMw7/kSWF1rMTVAqs=
 
+glob@7.1.2:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
+  integrity sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 glob@^5.0.10:
   version "5.0.15"
   resolved "https://registry.yarnpkg.com/glob/-/glob-5.0.15.tgz#1bc936b9e02f4a603fcc222ecf7633d30b8b93b1"
@@ -4213,7 +4370,7 @@ glob@^5.0.10:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.4, glob@^7.1.2, glob@^7.1.3:
+glob@^7.0.4, glob@^7.1.0, glob@^7.1.2, glob@^7.1.3:
   version "7.1.4"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
   integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
@@ -4309,7 +4466,7 @@ got@^8.0.1:
     url-parse-lax "^3.0.0"
     url-to-options "^1.0.1"
 
-graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.6:
+graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.15"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
   integrity sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==
@@ -4319,6 +4476,11 @@ graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.6:
   resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
   integrity sha1-TK+tdrxi8C+gObL5Tpo906ORpyU=
 
+growl@1.10.5:
+  version "1.10.5"
+  resolved "https://registry.yarnpkg.com/growl/-/growl-1.10.5.tgz#f2735dc2283674fa67478b10181059355c369e5e"
+  integrity sha512-qBr4OuELkhPenW6goKVXiv47US3clb3/IbuWF9KNKEijAy9oeHxU9IgzjvJhHkUzhaj7rOUD7+YGWqUjLp5oSA==
+
 growly@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
@@ -4431,6 +4593,11 @@ hash-for-dep@^1.0.2, hash-for-dep@^1.2.3, hash-for-dep@^1.4.7, hash-for-dep@^1.5
     resolve "^1.10.0"
     resolve-package-path "^1.0.11"
 
+he@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
+  integrity sha1-k0EP0hsAlzUVH4howvJx80J+I/0=
+
 heimdalljs-fs-monitor@^0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/heimdalljs-fs-monitor/-/heimdalljs-fs-monitor-0.2.2.tgz#a76d98f52dbf3aa1b7c20cebb0132e2f5eeb9204"
@@ -4519,7 +4686,7 @@ http-proxy@^1.13.1, http-proxy@^1.17.0:
     follow-redirects "^1.0.0"
     requires-port "^1.0.0"
 
-iconv-lite@0.4.24, iconv-lite@^0.4.17, iconv-lite@^0.4.24:
+iconv-lite@0.4.24, iconv-lite@^0.4.13, iconv-lite@^0.4.17, iconv-lite@^0.4.24:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
@@ -4809,6 +4976,11 @@ is-regex@^1.0.4:
   dependencies:
     has "^1.0.1"
 
+is-regexp@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-regexp/-/is-regexp-1.0.0.tgz#fd2d883545c46bac5a633e7b9a09e87fa2cb5069"
+  integrity sha1-/S2INUXEa6xaYz57mgnof6LLUGk=
+
 is-retry-allowed@^1.0.0, is-retry-allowed@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz#11a060568b67339444033d0125a61a20d564fb34"
@@ -5036,6 +5208,13 @@ kind-of@^6.0.0, kind-of@^6.0.2:
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
   integrity sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==
 
+klaw@^1.0.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/klaw/-/klaw-1.3.1.tgz#4088433b46b3b1ba259d78785d8e96f73ba02439"
+  integrity sha1-QIhDO0azsbolnXh4XY6W9zugJDk=
+  optionalDependencies:
+    graceful-fs "^4.1.9"
+
 leek@0.0.24:
   version "0.0.24"
   resolved "https://registry.yarnpkg.com/leek/-/leek-0.0.24.tgz#e400e57f0e60d8ef2bd4d068dc428a54345dbcda"
@@ -5467,7 +5646,7 @@ lodash.values@~2.3.0:
   dependencies:
     lodash.keys "~2.3.0"
 
-lodash@^4.17.11, lodash@^4.17.4, lodash@^4.3.0, lodash@^4.6.1:
+lodash@^4.0.0, lodash@^4.16.1, lodash@^4.17.11, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.3.0, lodash@^4.6.1:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
@@ -5704,7 +5883,7 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1:
+mkdirp@0.5.1, mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
@@ -5716,6 +5895,23 @@ mktemp@~0.4.0:
   resolved "https://registry.yarnpkg.com/mktemp/-/mktemp-0.4.0.tgz#6d0515611c8a8c84e484aa2000129b98e981ff0b"
   integrity sha1-bQUVYRyKjITkhKogABKbmOmB/ws=
 
+mocha@^5.0.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-5.2.0.tgz#6d8ae508f59167f940f2b5b3c4a612ae50c90ae6"
+  integrity sha512-2IUgKDhc3J7Uug+FxMXuqIyYzH7gJjXECKe/w43IGgQHTSj3InJi+yAA7T24L9bQMRKiUEHxEX37G5JpVUGLcQ==
+  dependencies:
+    browser-stdout "1.3.1"
+    commander "2.15.1"
+    debug "3.1.0"
+    diff "3.5.0"
+    escape-string-regexp "1.0.5"
+    glob "7.1.2"
+    growl "1.10.5"
+    he "1.1.1"
+    minimatch "3.0.4"
+    mkdirp "0.5.1"
+    supports-color "5.4.0"
+
 morgan@^1.9.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.9.1.tgz#0a8d16734a1d9afbc824b99df87e738e58e2da59"
@@ -6003,7 +6199,7 @@ os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.1, os-tmpdir@~1.0.2:
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
   integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
 
-osenv@^0.1.3, osenv@^0.1.5:
+osenv@^0.1.0, osenv@^0.1.3, osenv@^0.1.5:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/osenv/-/osenv-0.1.5.tgz#85cdfafaeb28e8677f416e287592b5f3f49ea410"
   integrity sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==
@@ -6181,6 +6377,11 @@ path-type@^3.0.0:
   dependencies:
     pify "^3.0.0"
 
+pathval@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
+  integrity sha1-uULm1L3mUwBe9rcTYd74cn0GReA=
+
 pify@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
@@ -6317,6 +6518,14 @@ query-string@^5.0.1:
     object-assign "^4.1.0"
     strict-uri-encode "^1.0.0"
 
+quibble@^0.5.5:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/quibble/-/quibble-0.5.5.tgz#669fb731520a923e0a98f8076b7eb55e409f73f9"
+  integrity sha512-cIePu3BtGlaTW1bjFgBcLT6QMxD8PtnZDCmPJUzO+RepIz8GuXsmZIEPGFjlPxzG9zfIj4nNLPxBDlUbvr9ESg==
+  dependencies:
+    lodash "^4.17.2"
+    resolve "^1.7.1"
+
 quick-temp@^0.1.2, quick-temp@^0.1.3, quick-temp@^0.1.5, quick-temp@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/quick-temp/-/quick-temp-0.1.8.tgz#bab02a242ab8fb0dd758a3c9776b32f9a5d94408"
@@ -6634,7 +6843,7 @@ resolve@1.9.0:
   dependencies:
     path-parse "^1.0.6"
 
-resolve@^1.1.3, resolve@^1.10.0, resolve@^1.10.1, resolve@^1.3.2, resolve@^1.3.3, resolve@^1.4.0, resolve@^1.5.0, resolve@^1.8.1:
+resolve@^1.1.3, resolve@^1.10.0, resolve@^1.10.1, resolve@^1.3.2, resolve@^1.3.3, resolve@^1.4.0, resolve@^1.5.0, resolve@^1.7.1, resolve@^1.8.1:
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.11.1.tgz#ea10d8110376982fef578df8fc30b9ac30a07a3e"
   integrity sha512-vIpgF6wfuJOZI7KKKSP+HmiKggadPQAdsp5HiC1mvqnfp0gF1vdwgBWZIdrVft9pgqoMFQN+R7BSWZiBxx+BBw==
@@ -6661,7 +6870,7 @@ ret@~0.1.10:
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
   integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
 
-rimraf@2.6.3, rimraf@^2.2.8, rimraf@^2.3.4, rimraf@^2.4.3, rimraf@^2.4.4, rimraf@^2.5.3, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2, rimraf@^2.6.3, rimraf@~2.6.2:
+rimraf@2.6.3, rimraf@^2.1.4, rimraf@^2.2.8, rimraf@^2.3.4, rimraf@^2.4.3, rimraf@^2.4.4, rimraf@^2.5.3, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2, rimraf@^2.6.3, rimraf@~2.6.2:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"
   integrity sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==
@@ -7141,6 +7350,14 @@ string_decoder@~1.1.1:
   dependencies:
     safe-buffer "~5.1.0"
 
+stringify-object-es5@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/stringify-object-es5/-/stringify-object-es5-2.5.0.tgz#057c3c9a90a127339bb9d1704a290bb7bd0a1ec5"
+  integrity sha1-BXw8mpChJzObudFwSikLt70KHsU=
+  dependencies:
+    is-plain-obj "^1.0.0"
+    is-regexp "^1.0.0"
+
 strip-ansi@^3.0.0, strip-ansi@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
@@ -7189,6 +7406,13 @@ sum-up@^1.0.1:
   dependencies:
     chalk "^1.0.0"
 
+supports-color@5.4.0:
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.4.0.tgz#1c6b337402c2137605efe19f10fec390f6faab54"
+  integrity sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==
+  dependencies:
+    has-flag "^3.0.0"
+
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
@@ -7241,6 +7465,16 @@ terser@^3.7.5:
     source-map "~0.6.1"
     source-map-support "~0.5.10"
 
+testdouble@^3.2.6:
+  version "3.11.0"
+  resolved "https://registry.yarnpkg.com/testdouble/-/testdouble-3.11.0.tgz#17d3c3afa21acd2e8144c86f8a0708d49a81a695"
+  integrity sha512-hmF04fDUiTHy8yVQx6mucpOeyH5qElb3UtMos4xWZtJR2MsS/nzLEN+5wQ4QiGS4TV1X32eMSzLgh53uKg9ufA==
+  dependencies:
+    lodash "^4.17.11"
+    quibble "^0.5.5"
+    stringify-object-es5 "^2.5.0"
+    theredoc "^1.0.0"
+
 testem@^2.14.0:
   version "2.16.0"
   resolved "https://registry.yarnpkg.com/testem/-/testem-2.16.0.tgz#da2682f3e02459212b8670b88f9d7cd4d4b0aebb"
@@ -7285,6 +7519,11 @@ text-table@^0.2.0:
   resolved "https://registry.yarnpkg.com/textextensions/-/textextensions-2.4.0.tgz#6a143a985464384cc2cff11aea448cd5b018e72b"
   integrity sha512-qftQXnX1DzpSV8EddtHIT0eDDEiBF8ywhFYR2lI9xrGtxqKN+CvLXhACeCIGbCpQfxxERbrkZEFb8cZcDKbVZA==
 
+theredoc@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/theredoc/-/theredoc-1.0.0.tgz#bcace376af6feb1873efbdd0f91ed026570ff062"
+  integrity sha512-KU3SA3TjRRM932jpNfD3u4Ec3bSvedyo5ITPI7zgWYnKep7BwQQaxlhI9qbO+lKJoRnoAbEVfMcAHRuKVYikDA==
+
 through2@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/through2/-/through2-3.0.1.tgz#39276e713c3302edf9e388dd9c812dd3b825bd5a"
@@ -7292,7 +7531,7 @@ through2@^3.0.1:
   dependencies:
     readable-stream "2 || 3"
 
-through@^2.3.6:
+through@^2.3.6, through@^2.3.8:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
@@ -7319,6 +7558,14 @@ tiny-lr@^1.1.1:
     object-assign "^4.1.0"
     qs "^6.4.0"
 
+tmp-sync@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/tmp-sync/-/tmp-sync-1.1.2.tgz#ba04d94a8ed9c0f35a54739970792f997a6cc1c8"
+  integrity sha1-ugTZSo7ZwPNaVHOZcHkvmXpswcg=
+  dependencies:
+    fs-sync "^1.0.4"
+    osenv "^0.1.0"
+
 tmp@0.0.28:
   version "0.0.28"
   resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.28.tgz#172735b7f614ea7af39664fa84cf0de4e515d120"
@@ -7416,6 +7663,21 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
+type-detect@0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-0.1.1.tgz#0ba5ec2a885640e470ea4e8505971900dac58822"
+  integrity sha1-C6XsKohWQORw6k6FBZcZANrFiCI=
+
+type-detect@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-1.0.0.tgz#762217cc06db258ec48908a1298e8b95121e8ea2"
+  integrity sha1-diIXzAbbJY7EiQihKY6LlRIejqI=
+
+type-detect@^4.0.0, type-detect@^4.0.5:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
+  integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
+
 type-is@~1.6.17, type-is@~1.6.18:
   version "1.6.18"
   resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.18.tgz#4e552cd05df09467dcbc4ef739de89f2cf37c131"