diff --git a/.travis.yml b/.travis.yml
index 1e0a61a..dd61dec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: node_js
 
 node_js:
+  - 8
   - 10
   - 12
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fc25daf..5a3570e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,40 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.5.1](https://github.com/smooth-code/bundle-analyzer-javascript/compare/v0.5.0...v0.5.1) (2019-10-18)
+
+
+### Bug Fixes
+
+* updating now detect ([#4](https://github.com/smooth-code/bundle-analyzer-javascript/issues/4)) ([4ff5223](https://github.com/smooth-code/bundle-analyzer-javascript/commit/4ff5223))
+
+
+
+
+
+# [0.5.0](https://github.com/smooth-code/bundle-analyzer-javascript/compare/v0.4.0...v0.5.0) (2019-10-02)
+
+
+### Features
+
+* add support for now ([6fda221](https://github.com/smooth-code/bundle-analyzer-javascript/commit/6fda221)), closes [#15](https://github.com/smooth-code/bundle-analyzer-javascript/issues/15)
+
+
+
+
+
+# [0.4.0](https://github.com/smooth-code/bundle-analyzer-javascript/compare/v0.3.1...v0.4.0) (2019-09-17)
+
+
+### Features
+
+* add Gatsby plugin ([647d53e](https://github.com/smooth-code/bundle-analyzer-javascript/commit/647d53e))
+* support Node.js v8 ([3b58d48](https://github.com/smooth-code/bundle-analyzer-javascript/commit/3b58d48))
+
+
+
+
+
 ## [0.3.1](https://github.com/smooth-code/bundle-analyzer-javascript/compare/v0.3.0...v0.3.1) (2019-09-16)
 
 
diff --git a/lerna.json b/lerna.json
index 9e77049..12a9107 100644
--- a/lerna.json
+++ b/lerna.json
@@ -3,7 +3,7 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.3.1",
+  "version": "0.5.1",
   "npmClient": "yarn",
   "useWorkspaces": true
 }
diff --git a/packages/cli/CHANGELOG.md b/packages/cli/CHANGELOG.md
index 9cffcf8..e0855c6 100644
--- a/packages/cli/CHANGELOG.md
+++ b/packages/cli/CHANGELOG.md
@@ -3,6 +3,30 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.5.1](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/cli/compare/v0.5.0...v0.5.1) (2019-10-18)
+
+**Note:** Version bump only for package @bundle-analyzer/cli
+
+
+
+
+
+# [0.5.0](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/cli/compare/v0.4.0...v0.5.0) (2019-10-02)
+
+**Note:** Version bump only for package @bundle-analyzer/cli
+
+
+
+
+
+# [0.4.0](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/cli/compare/v0.3.1...v0.4.0) (2019-09-17)
+
+**Note:** Version bump only for package @bundle-analyzer/cli
+
+
+
+
+
 ## [0.3.1](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/cli/compare/v0.3.0...v0.3.1) (2019-09-16)
 
 
diff --git a/packages/cli/package.json b/packages/cli/package.json
index b976bd6..8889c92 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@bundle-analyzer/cli",
   "description": "Bundle Analyzer CLI.",
-  "version": "0.3.1",
+  "version": "0.5.1",
   "main": "lib/index.js",
   "repository": "https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/cli",
   "author": "Greg Bergé <berge.greg@gmail.com>",
@@ -25,7 +25,7 @@
     "prepublishOnly": "yarn run build"
   },
   "dependencies": {
-    "@bundle-analyzer/core": "^0.3.1",
+    "@bundle-analyzer/core": "^0.5.1",
     "commander": "^3.0.1"
   },
   "devDependencies": {
diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
index 77950b8..9557d8b 100644
--- a/packages/core/CHANGELOG.md
+++ b/packages/core/CHANGELOG.md
@@ -3,6 +3,36 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.5.1](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/core/compare/v0.5.0...v0.5.1) (2019-10-18)
+
+
+### Bug Fixes
+
+* updating now detect ([#4](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/core/issues/4)) ([4ff5223](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/core/commit/4ff5223))
+
+
+
+
+
+# [0.5.0](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/core/compare/v0.4.0...v0.5.0) (2019-10-02)
+
+
+### Features
+
+* add support for now ([6fda221](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/core/commit/6fda221)), closes [#15](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/core/issues/15)
+
+
+
+
+
+# [0.4.0](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/core/compare/v0.3.1...v0.4.0) (2019-09-17)
+
+**Note:** Version bump only for package @bundle-analyzer/core
+
+
+
+
+
 ## [0.3.1](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/core/compare/v0.3.0...v0.3.1) (2019-09-16)
 
 
diff --git a/packages/core/package.json b/packages/core/package.json
index 2334769..d9db1f2 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@bundle-analyzer/core",
   "description": "Bundle Analyzer Node.js uploader.",
-  "version": "0.3.1",
+  "version": "0.5.1",
   "main": "lib/index.js",
   "repository": "https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/core",
   "author": "Greg Bergé <berge.greg@gmail.com>",
@@ -23,7 +23,7 @@
   },
   "dependencies": {
     "axios": "^0.19.0",
-    "brotli-size": "^4.0.0",
+    "brotli-size": "^1.0.0",
     "cosmiconfig": "^5.2.1",
     "gzip-size": "^5.1.1",
     "omit-deep": "^0.3.0"
diff --git a/packages/core/src/index.js b/packages/core/src/index.js
index 610347a..7ff3897 100644
--- a/packages/core/src/index.js
+++ b/packages/core/src/index.js
@@ -23,7 +23,7 @@ async function sizeAssets(webpackStats, { fileSystem = fs } = {}) {
       return {
         ...asset,
         gzipSize: await gzipSize(buffer),
-        brotliSize: await brotliSize(buffer),
+        brotliSize: brotliSize.sync(buffer),
       }
     }),
   )
diff --git a/packages/core/src/services/github.js b/packages/core/src/services/github.js
new file mode 100644
index 0000000..26a2394
--- /dev/null
+++ b/packages/core/src/services/github.js
@@ -0,0 +1,17 @@
+// https://docs.gitlab.com/ce/ci/variables/README.html
+
+export function detect() {
+  return !!process.env.GITHUB_ACTIONS
+}
+
+export function config() {
+  return {
+    name: 'GitHub Actions',
+    service: 'github',
+    build: process.env.GITHUB_RUN_ID,
+    commit: process.env.GITHUB_SHA,
+    branch: process.env.GITHUB_HEAD_REF || (process.env.GITHUB_REF && process.env.GITHUB_REF.split('/')[2]),
+    root: process.env.GITHUB_WORKSPACE,
+    slug: process.env.GITHUB_REPOSITORY,
+  }
+}
diff --git a/packages/core/src/services/index.js b/packages/core/src/services/index.js
index 10d004c..0763ec0 100644
--- a/packages/core/src/services/index.js
+++ b/packages/core/src/services/index.js
@@ -5,9 +5,11 @@ import * as circle from './circle'
 import * as cirrus from './cirrus'
 import * as codeship from './codeship'
 import * as drone from './drone'
+import * as github from './github'
 import * as gitlab from './gitlab'
 import * as heroku from './heroku'
 import * as jenkins from './jenkins'
+import * as now from './now'
 import * as netlify from './netlify'
 import * as semaphore from './semaphore'
 import * as shippable from './shippable'
@@ -18,6 +20,7 @@ import * as wercker from './wercker'
 
 export default [
   netlify,
+  now,
   circle,
   heroku,
   appveyor,
@@ -26,6 +29,7 @@ export default [
   cirrus,
   codeship,
   drone,
+  github,
   gitlab,
   jenkins,
   semaphore,
diff --git a/packages/core/src/services/now.js b/packages/core/src/services/now.js
new file mode 100644
index 0000000..3e6b708
--- /dev/null
+++ b/packages/core/src/services/now.js
@@ -0,0 +1,12 @@
+export function detect() {
+  return !!process.env.NOW_GITHUB_COMMIT_SHA && !!process.env.NOW_GITHUB_COMMIT_REF
+}
+
+export function config() {
+  return {
+    name: 'ZEIT Now',
+    service: 'now',
+    commit: process.env.NOW_GITHUB_COMMIT_SHA,
+    branch: process.env.NOW_GITHUB_COMMIT_REF,
+  }
+}
diff --git a/packages/gatsby-plugin/.npmignore b/packages/gatsby-plugin/.npmignore
new file mode 100644
index 0000000..2b876bd
--- /dev/null
+++ b/packages/gatsby-plugin/.npmignore
@@ -0,0 +1,5 @@
+/*
+!/lib/**/*.js
+!gatsby-node.js
+!index.js
+*.test.js
\ No newline at end of file
diff --git a/packages/gatsby-plugin/CHANGELOG.md b/packages/gatsby-plugin/CHANGELOG.md
new file mode 100644
index 0000000..8eb8667
--- /dev/null
+++ b/packages/gatsby-plugin/CHANGELOG.md
@@ -0,0 +1,27 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
+
+## [0.5.1](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/gatsby-plugin/compare/v0.5.0...v0.5.1) (2019-10-18)
+
+**Note:** Version bump only for package @bundle-analyzer/gatsby-plugin
+
+
+
+
+
+# [0.5.0](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/gatsby-plugin/compare/v0.4.0...v0.5.0) (2019-10-02)
+
+**Note:** Version bump only for package @bundle-analyzer/gatsby-plugin
+
+
+
+
+
+# [0.4.0](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/gatsby-plugin/compare/v0.3.1...v0.4.0) (2019-09-17)
+
+
+### Features
+
+* add Gatsby plugin ([647d53e](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/gatsby-plugin/commit/647d53e))
diff --git a/packages/gatsby-plugin/README.md b/packages/gatsby-plugin/README.md
new file mode 100644
index 0000000..80cb804
--- /dev/null
+++ b/packages/gatsby-plugin/README.md
@@ -0,0 +1,40 @@
+# @bundle-analyzer/gatsby-plugin
+
+Official Gatsby plugin for with [Bundle Analyzer service](https://www.bundle-analyzer.com).
+
+## Install
+
+```
+npm install --save-dev @bundle-analyzer/gatsby-plugin
+```
+
+## Usage
+
+**gatsby-config.js**
+
+```js
+plugins: [
+  {
+    resolve: '@bundle-analyzer/gatsby-plugin',
+    options: { token: '<repository-token>' },
+  },
+]
+```
+
+## Options
+
+### token
+
+You can specify the token using options or environment variable `BUNDLE_ANALYZER_TOKEN`.
+
+### configFile
+
+You can specify a custom configuration file.
+
+## Complete documentation
+
+👉 [See full documentation](https://docs.bundle-analyzer.com/)
+
+## License
+
+MIT
diff --git a/packages/gatsby-plugin/gatsby-node.js b/packages/gatsby-plugin/gatsby-node.js
new file mode 100644
index 0000000..1dbeba9
--- /dev/null
+++ b/packages/gatsby-plugin/gatsby-node.js
@@ -0,0 +1,2 @@
+// eslint-disable-next-line import/no-unresolved
+module.exports = require('./lib/gatsby-node')
diff --git a/packages/gatsby-plugin/index.js b/packages/gatsby-plugin/index.js
new file mode 100644
index 0000000..172f1ae
--- /dev/null
+++ b/packages/gatsby-plugin/index.js
@@ -0,0 +1 @@
+// noop
diff --git a/packages/gatsby-plugin/package.json b/packages/gatsby-plugin/package.json
new file mode 100644
index 0000000..f6136b4
--- /dev/null
+++ b/packages/gatsby-plugin/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "@bundle-analyzer/gatsby-plugin",
+  "description": "Bundle Analyzer Gatsby plugin.",
+  "version": "0.5.1",
+  "main": "index.js",
+  "repository": "https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/gatsby-plugin",
+  "author": "Greg Bergé <berge.greg@gmail.com>",
+  "publishConfig": {
+    "access": "public"
+  },
+  "keywords": [
+    "gatsby",
+    "gatsby-plugin",
+    "bundle-analyzer",
+    "bundlesize"
+  ],
+  "engines": {
+    "node": ">=8"
+  },
+  "license": "MIT",
+  "scripts": {
+    "prebuild": "rm -rf lib/",
+    "build": "babel --config-file ../../babel.config.js -d lib --ignore \"**/*.test.js\" src",
+    "prepublishOnly": "yarn run build"
+  },
+  "dependencies": {
+    "@bundle-analyzer/webpack-plugin": "^0.5.1"
+  }
+}
diff --git a/packages/gatsby-plugin/src/gatsby-node.js b/packages/gatsby-plugin/src/gatsby-node.js
new file mode 100644
index 0000000..d5f4ca3
--- /dev/null
+++ b/packages/gatsby-plugin/src/gatsby-node.js
@@ -0,0 +1,7 @@
+import BundleAnalyzerPlugin from '@bundle-analyzer/webpack-plugin'
+
+exports.onCreateWebpackConfig = ({ actions }, options) => {
+  actions.setWebpackConfig({
+    plugins: [new BundleAnalyzerPlugin(options)],
+  })
+}
diff --git a/packages/webpack-plugin/CHANGELOG.md b/packages/webpack-plugin/CHANGELOG.md
index 8815e01..b4a54d2 100644
--- a/packages/webpack-plugin/CHANGELOG.md
+++ b/packages/webpack-plugin/CHANGELOG.md
@@ -3,6 +3,30 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.5.1](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/webpack-plugin/compare/v0.5.0...v0.5.1) (2019-10-18)
+
+**Note:** Version bump only for package @bundle-analyzer/webpack-plugin
+
+
+
+
+
+# [0.5.0](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/webpack-plugin/compare/v0.4.0...v0.5.0) (2019-10-02)
+
+**Note:** Version bump only for package @bundle-analyzer/webpack-plugin
+
+
+
+
+
+# [0.4.0](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/webpack-plugin/compare/v0.3.1...v0.4.0) (2019-09-17)
+
+**Note:** Version bump only for package @bundle-analyzer/webpack-plugin
+
+
+
+
+
 ## [0.3.1](https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/webpack-plugin/compare/v0.3.0...v0.3.1) (2019-09-16)
 
 **Note:** Version bump only for package @bundle-analyzer/webpack-plugin
diff --git a/packages/webpack-plugin/package.json b/packages/webpack-plugin/package.json
index 57ce093..9765409 100644
--- a/packages/webpack-plugin/package.json
+++ b/packages/webpack-plugin/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@bundle-analyzer/webpack-plugin",
   "description": "Bundle Analyzer webpack plugin.",
-  "version": "0.3.1",
+  "version": "0.5.1",
   "main": "lib/index.js",
   "repository": "https://github.com/smooth-code/bundle-analyzer-javascript/tree/master/packages/webpack-plugin",
   "author": "Greg Bergé <berge.greg@gmail.com>",
@@ -24,6 +24,6 @@
     "prepublishOnly": "yarn run build"
   },
   "dependencies": {
-    "@bundle-analyzer/core": "^0.3.1"
+    "@bundle-analyzer/core": "^0.5.1"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 2ed8c98..d7d339b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1961,9 +1961,9 @@ acorn-walk@^6.0.1:
   integrity sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==
 
 acorn@^5.5.3:
-  version "5.7.3"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
-  integrity sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
+  integrity sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==
 
 acorn@^6.0.1, acorn@^6.2.1:
   version "6.3.0"
@@ -2360,6 +2360,13 @@ binary-extensions@^1.0.0:
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
   integrity sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==
 
+bl@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-3.0.0.tgz#3611ec00579fd18561754360b21e9f784500ff88"
+  integrity sha512-EUAyP5UHU5hxF8BPT0LKW8gjYLhq1DQIcneOX/pL/m2Alo+OYDQAJlHq+yseMP50Os2nHXOSic6Ss3vSQeyf4A==
+  dependencies:
+    readable-stream "^3.0.1"
+
 bluebird@^3.5.1, bluebird@^3.5.3, bluebird@^3.5.5:
   version "3.5.5"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
@@ -2399,12 +2406,13 @@ brorand@^1.0.1:
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
   integrity sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
 
-brotli-size@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/brotli-size/-/brotli-size-4.0.0.tgz#a05ee3faad3c0e700a2f2da826ba6b4d76e69e5e"
-  integrity sha512-uA9fOtlTRC0iqKfzff1W34DXUA3GyVqbUaeo3Rw3d4gd1eavKVCETXrn3NzO74W+UVkG3UHu8WxUi+XvKI/huA==
+brotli-size@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/brotli-size/-/brotli-size-1.0.0.tgz#9dde191db7c5519cf21eb872c58794ec12811a5a"
+  integrity sha512-vLc7vUKuDh1GsxeWW+X0epesdhxVRG5h2uuF6YlV67xlI/r5tRWSXeiZRNX7GpuYr8p1LLKGsxt/MyQ+o0zG6Q==
   dependencies:
-    duplexer "0.1.1"
+    duplexer "^0.1.1"
+    iltorb "^2.4.3"
 
 browser-process-hrtime@^0.1.2:
   version "0.1.3"
@@ -2836,7 +2844,7 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.11.0, commander@^2.20.0, commander@^2.8.1, commander@~2.20.0:
+commander@^2.11.0, commander@^2.20.0, commander@^2.8.1:
   version "2.20.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
   integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
@@ -2846,6 +2854,11 @@ commander@^3.0.1:
   resolved "https://registry.yarnpkg.com/commander/-/commander-3.0.1.tgz#4595aec3530525e671fb6f85fb173df8ff8bf57a"
   integrity sha512-UNgvDd+csKdc9GD4zjtkHKQbT8Aspt2jCBqNSPp53vAS0L1tS9sXB2TCEOPHJ7kt9bN/niWkYj8T3RQSoMXdSQ==
 
+commander@~2.20.3:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
+
 commondir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
@@ -3424,7 +3437,7 @@ detect-indent@^5.0.0:
   resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-5.0.0.tgz#3871cc0a6a002e8c3e5b3cf7f336264675f06b9d"
   integrity sha1-OHHMCmoALow+Wzz38zYmRnXwa50=
 
-detect-libc@^1.0.2:
+detect-libc@^1.0.2, detect-libc@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
   integrity sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=
@@ -3516,7 +3529,7 @@ duplexer3@^0.1.4:
   resolved "https://registry.yarnpkg.com/duplexer3/-/duplexer3-0.1.4.tgz#ee01dd1cac0ed3cbc7fdbea37dc0a8f1ce002ce2"
   integrity sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI=
 
-duplexer@0.1.1, duplexer@^0.1.1:
+duplexer@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
   integrity sha1-rOb/gIwc5mtX0ev5eXessCM0z8E=
@@ -3574,7 +3587,7 @@ encoding@^0.1.11:
   dependencies:
     iconv-lite "~0.4.13"
 
-end-of-stream@^1.0.0, end-of-stream@^1.1.0:
+end-of-stream@^1.0.0, end-of-stream@^1.1.0, end-of-stream@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
   integrity sha512-1MkrZNvWTKCaigbn+W15elq2BB/L22nqrSY5DKlo3X6+vclJm8Bb5djXJBmEX6fS3+zCh/F4VBK5Z2KxJt4s2Q==
@@ -3934,6 +3947,11 @@ expand-brackets@^2.1.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
+expand-template@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/expand-template/-/expand-template-2.0.3.tgz#6e14b3fcee0f3a6340ecb57d2e8918692052a47c"
+  integrity sha512-XYfuKMvj4O35f/pOXLObndIRvyQ+/+6AhODh+OKWj9S9498pHHn/IMszH+gt0fBCRWMNfk1ZSp5x3AifmnI2vg==
+
 expand-tilde@^2.0.0, expand-tilde@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/expand-tilde/-/expand-tilde-2.0.2.tgz#97e801aa052df02454de46b02bf621642cdc8502"
@@ -4173,6 +4191,11 @@ from2@^2.1.0, from2@^2.1.1:
     inherits "^2.0.1"
     readable-stream "^2.0.0"
 
+fs-constants@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-constants/-/fs-constants-1.0.0.tgz#6be0de9be998ce16af8afc24497b9ee9b7ccd9ad"
+  integrity sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow==
+
 fs-extra@^8.1.0:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-8.1.0.tgz#49d43c45a88cd9677668cb7be1b46efdb8d2e1c0"
@@ -4368,6 +4391,11 @@ gitconfiglocal@^1.0.0:
   dependencies:
     ini "^1.3.2"
 
+github-from-package@0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/github-from-package/-/github-from-package-0.0.0.tgz#97fb5d96bfde8973313f20e8288ef9a167fa64ce"
+  integrity sha1-l/tdlr/eiXMxPyDoKI75oWf6ZM4=
+
 glob-parent@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-3.1.0.tgz#9e6af6299d8d3bd2bd40430832bd113df906c5ae"
@@ -4497,9 +4525,9 @@ gzip-size@^5.1.1:
     pify "^4.0.1"
 
 handlebars@^4.1.2:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.2.0.tgz#57ce8d2175b9bbb3d8b3cf3e4217b1aec8ddcb2e"
-  integrity sha512-Kb4xn5Qh1cxAKvQnzNWZ512DhABzyFNmsaJf3OAkWNa4NkaqWcNI8Tao8Tasi0/F4JD9oyG0YxuFyvyR57d+Gw==
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.5.3.tgz#5cf75bd8714f7605713511a56be7c349becb0482"
+  integrity sha512-3yPecJoJHK/4c6aZhSvxOyG4vJKDshV36VHp0iVCDVh7o9w2vwi3NSnL2MMPj3YdduqaBcu7cGbggJQM0br9xA==
   dependencies:
     neo-async "^2.6.0"
     optimist "^0.6.1"
@@ -4700,6 +4728,17 @@ ignore@^4.0.3, ignore@^4.0.6:
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-4.0.6.tgz#750e3db5862087b4737ebac8207ffd1ef27b25fc"
   integrity sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==
 
+iltorb@^2.4.3:
+  version "2.4.3"
+  resolved "https://registry.yarnpkg.com/iltorb/-/iltorb-2.4.3.tgz#b489689d24c8a25a2cf170c515f97954edd45577"
+  integrity sha512-cr/kC07Cf9sW3TWH7yUxV2QkNjby4LMCsXGmxPCQs5x//QzTpF3GLPNY7L66G+DkNGaTRCgY+vYZ+dyAcuDOnQ==
+  dependencies:
+    detect-libc "^1.0.3"
+    nan "^2.13.2"
+    npmlog "^4.1.2"
+    prebuild-install "^5.3.0"
+    which-pm-runs "^1.0.0"
+
 import-fresh@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/import-fresh/-/import-fresh-2.0.0.tgz#d81355c15612d386c61f9ddd3922d4304822a546"
@@ -6270,7 +6309,7 @@ mz@^2.5.0:
     object-assign "^4.0.1"
     thenify-all "^1.0.0"
 
-nan@^2.12.1:
+nan@^2.12.1, nan@^2.13.2:
   version "2.14.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
   integrity sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==
@@ -6292,6 +6331,11 @@ nanomatch@^1.2.9:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
+napi-build-utils@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/napi-build-utils/-/napi-build-utils-1.0.1.tgz#1381a0f92c39d66bf19852e7873432fc2123e508"
+  integrity sha512-boQj1WFgQH3v4clhu3mTNfP+vOBxorDlE8EKiMjUlLG3C4qAESnn9AxIOkFgTR2c9LtzNjPrjS60cT27ZKBhaA==
+
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
@@ -6328,6 +6372,13 @@ nock@^11.3.4:
     mkdirp "^0.5.0"
     propagate "^2.0.0"
 
+node-abi@^2.7.0:
+  version "2.11.0"
+  resolved "https://registry.yarnpkg.com/node-abi/-/node-abi-2.11.0.tgz#b7dce18815057544a049be5ae75cd1fdc2e9ea59"
+  integrity sha512-kuy/aEg75u40v378WRllQ4ZexaXJiCvB68D2scDXclp/I4cRq6togpbOoKhmN07tns9Zldu51NNERo0wehfX9g==
+  dependencies:
+    semver "^5.4.1"
+
 node-fetch-npm@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/node-fetch-npm/-/node-fetch-npm-2.0.2.tgz#7258c9046182dca345b4208eda918daf33697ff7"
@@ -6432,6 +6483,11 @@ node-releases@^1.1.29:
   dependencies:
     semver "^5.3.0"
 
+noop-logger@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/noop-logger/-/noop-logger-0.1.1.tgz#94a2b1633c4f1317553007d8966fd0e841b6a4c2"
+  integrity sha1-lKKxYzxPExdVMAfYlm/Q6EG2pMI=
+
 "nopt@2 || 3":
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-3.0.6.tgz#c6465dbf08abcd4db359317f79ac68a646b28ff9"
@@ -6536,7 +6592,7 @@ npm-run-path@^2.0.0:
   dependencies:
     path-key "^2.0.0"
 
-"npmlog@0 || 1 || 2 || 3 || 4", npmlog@^4.0.2, npmlog@^4.1.2:
+"npmlog@0 || 1 || 2 || 3 || 4", npmlog@^4.0.1, npmlog@^4.0.2, npmlog@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
   integrity sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==
@@ -7081,6 +7137,27 @@ posix-character-classes@^0.1.0:
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
   integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
 
+prebuild-install@^5.3.0:
+  version "5.3.2"
+  resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-5.3.2.tgz#6392e9541ac0b879ef0f22b3d65037417eb2035e"
+  integrity sha512-INDfXzTPnhT+WYQemqnAXlP7SvfiFMopMozSgXCZ+RDLb279gKfIuLk4o7PgEawLp3WrMgIYGBpkxpraROHsSA==
+  dependencies:
+    detect-libc "^1.0.3"
+    expand-template "^2.0.3"
+    github-from-package "0.0.0"
+    minimist "^1.2.0"
+    mkdirp "^0.5.1"
+    napi-build-utils "^1.0.1"
+    node-abi "^2.7.0"
+    noop-logger "^0.1.1"
+    npmlog "^4.0.1"
+    pump "^3.0.0"
+    rc "^1.2.7"
+    simple-get "^3.0.3"
+    tar-fs "^2.0.0"
+    tunnel-agent "^0.6.0"
+    which-pm-runs "^1.0.0"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -7418,7 +7495,7 @@ read@1, read@~1.0.1:
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
-"readable-stream@2 || 3", readable-stream@^3.0.2:
+"readable-stream@2 || 3", readable-stream@^3.0.1, readable-stream@^3.0.2, readable-stream@^3.1.1:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.4.0.tgz#a51c26754658e0a3c21dbf59163bd45ba6f447fc"
   integrity sha512-jItXPLmrSR8jmTRmRWJXCnGJsfy85mB3Wd/uINMXA65yrnFo0cPClFIUWzo2najVNSl+mx7/4W8ttlLWJe99pQ==
@@ -7855,6 +7932,20 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
   integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
 
+simple-concat@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/simple-concat/-/simple-concat-1.0.0.tgz#7344cbb8b6e26fb27d66b2fc86f9f6d5997521c6"
+  integrity sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY=
+
+simple-get@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/simple-get/-/simple-get-3.0.3.tgz#924528ac3f9d7718ce5e9ec1b1a69c0be4d62efa"
+  integrity sha512-Wvre/Jq5vgoz31Z9stYWPLn0PqRqmBDpFSdypAnHu5AvRVCYPRYGnvryNLiXu8GOBNDH82J2FRHUGMjjHUpXFw==
+  dependencies:
+    decompress-response "^3.3.0"
+    once "^1.3.1"
+    simple-concat "^1.0.0"
+
 sisteransi@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-1.0.3.tgz#98168d62b79e3a5e758e27ae63c4a053d748f4eb"
@@ -8277,6 +8368,27 @@ tapable@^1.0.0, tapable@^1.1.3:
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.1.3.tgz#a1fccc06b58db61fd7a45da2da44f5f3a3e67ba2"
   integrity sha512-4WK/bYZmj8xLr+HUCODHGF1ZFzsYffasLUgEiMBY4fgtltdO6B4WJtlSbPaDTLpYTcGVwM2qLnFTICEcNxs3kA==
 
+tar-fs@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/tar-fs/-/tar-fs-2.0.0.tgz#677700fc0c8b337a78bee3623fdc235f21d7afad"
+  integrity sha512-vaY0obB6Om/fso8a8vakQBzwholQ7v5+uy+tF3Ozvxv1KNezmVQAiWtcNmMHFSFPqL3dJA8ha6gdtFbfX9mcxA==
+  dependencies:
+    chownr "^1.1.1"
+    mkdirp "^0.5.1"
+    pump "^3.0.0"
+    tar-stream "^2.0.0"
+
+tar-stream@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-2.1.0.tgz#d1aaa3661f05b38b5acc9b7020efdca5179a2cc3"
+  integrity sha512-+DAn4Nb4+gz6WZigRzKEZl1QuJVOLtAwwF+WUxy1fJ6X63CaGaUAxJRD2KEn1OMfcbCjySTYpNC6WmfQoIEOdw==
+  dependencies:
+    bl "^3.0.0"
+    end-of-stream "^1.4.1"
+    fs-constants "^1.0.0"
+    inherits "^2.0.3"
+    readable-stream "^3.1.1"
+
 tar@^4, tar@^4.4.10, tar@^4.4.8:
   version "4.4.10"
   resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.10.tgz#946b2810b9a5e0b26140cf78bea6b0b0d689eba1"
@@ -8537,11 +8649,11 @@ typedarray@^0.0.6:
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
 uglify-js@^3.1.4:
-  version "3.6.0"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.6.0.tgz#704681345c53a8b2079fb6cec294b05ead242ff5"
-  integrity sha512-W+jrUHJr3DXKhrsS7NUVxn3zqMOFn0hL/Ei6v0anCIMoKC93TjcflTagwIHLW7SfMFfiQuktQyFVCFHGUE0+yg==
+  version "3.7.3"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.3.tgz#f918fce9182f466d5140f24bb0ff35c2d32dcc6a"
+  integrity sha512-7tINm46/3puUA4hCkKYo4Xdts+JDaVC9ZPRcG8Xw9R4nhO/gZgUM3TENq8IF4Vatk8qCig4MzP/c8G4u2BkVQg==
   dependencies:
-    commander "~2.20.0"
+    commander "~2.20.3"
     source-map "~0.6.1"
 
 uid-number@0.0.6:
@@ -8873,6 +8985,11 @@ which-module@^2.0.0:
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
   integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
 
+which-pm-runs@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/which-pm-runs/-/which-pm-runs-1.0.0.tgz#670b3afbc552e0b55df6b7780ca74615f23ad1cb"
+  integrity sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs=
+
 which@1, which@^1.2.14, which@^1.2.9, which@^1.3.0, which@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"