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--- a/node_modules/serve-handler/LICENSE
+++ b/node_modules/serve-handler/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 ZEIT, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/node_modules/serve-handler/README.md
+++ b/node_modules/serve-handler/README.md
@@ -0,0 +1,321 @@
+# serve-handler
+
+[![Build Status](https://circleci.com/gh/vercel/serve-handler.svg?&style=shield)](https://circleci.com/gh/vercel/serve-handler)
+[![codecov](https://codecov.io/gh/vercel/serve-handler/branch/master/graph/badge.svg)](https://codecov.io/gh/vercel/serve-handler)
+[![install size](https://packagephobia.now.sh/badge?p=serve-handler)](https://packagephobia.now.sh/result?p=serve-handler)
+
+This package represents the core of [serve](https://github.com/vercel/serve). It can be plugged into any HTTP server and is responsible for routing requests and handling responses.
+
+In order to customize the default behaviour, you can also pass custom routing rules, provide your own methods for interacting with the file system and much more.
+
+## Usage
+
+Get started by installing the package using [yarn](https://yarnpkg.com/lang/en/):
+
+```sh
+yarn add serve-handler
+```
+
+You can also use [npm](https://www.npmjs.com/) instead, if you'd like:
+
+```sh
+npm install serve-handler
+```
+
+Next, add it to your HTTP server. Here's an example using [micro](https://github.com/vercel/micro):
+
+```js
+const handler = require('serve-handler');
+
+module.exports = async (request, response) => {
+  await handler(request, response);
+};
+```
+
+That's it! :tada:
+
+## Options
+
+If you want to customize the package's default behaviour, you can use the third argument of the function call to pass any of the configuration options listed below. Here's an example:
+
+```js
+await handler(request, response, {
+  cleanUrls: true
+});
+```
+
+You can use any of the following options:
+
+| Property                                             | Description                                                           |
+|------------------------------------------------------|-----------------------------------------------------------------------|
+| [`public`](#public-string)                           | Set a sub directory to be served                                      |
+| [`cleanUrls`](#cleanurls-booleanarray)               | Have the `.html` extension stripped from paths                        |
+| [`rewrites`](#rewrites-array)                        | Rewrite paths to different paths                                      |
+| [`redirects`](#redirects-array)                      | Forward paths to different paths or external URLs                     |
+| [`headers`](#headers-array)                          | Set custom headers for specific paths                                 |
+| [`directoryListing`](#directorylisting-booleanarray) | Disable directory listing or restrict it to certain paths             |
+| [`unlisted`](#unlisted-array)                        | Exclude paths from the directory listing                              |
+| [`trailingSlash`](#trailingslash-boolean)            | Remove or add trailing slashes to all paths                           |
+| [`renderSingle`](#rendersingle-boolean)              | If a directory only contains one file, render it                      |
+| [`symlinks`](#symlinks-boolean)                      | Resolve symlinks instead of rendering a 404 error                     |
+| [`etag`](#etag-boolean)                              | Calculate a strong `ETag` response header, instead of `Last-Modified` |
+
+### public (String)
+
+By default, the current working directory will be served. If you only want to serve a specific path, you can use this options to pass an absolute path or a custom directory to be served relative to the current working directory.
+
+For example, if serving a [Jekyll](https://jekyllrb.com/) app, it would look like this:
+
+```json
+{
+  "public": "_site"
+}
+```
+
+Using absolute path:
+
+```json
+{
+  "public": "/path/to/your/_site"
+}
+```
+
+**NOTE:** The path cannot contain globs or regular expressions.
+
+### cleanUrls (Boolean|Array)
+
+By default, all `.html` files can be accessed without their extension.
+
+If one of these extensions is used at the end of a filename, it will automatically perform a redirect with status code [301](https://en.wikipedia.org/wiki/HTTP_301) to the same path, but with the extension dropped.
+
+You can disable the feature like follows:
+
+```json
+{
+  "cleanUrls": false
+}
+```
+
+However, you can also restrict it to certain paths:
+
+```json
+{
+  "cleanUrls": [
+    "/app/**",
+    "/!components/**"
+  ]
+}
+```
+
+**NOTE:** The paths can only contain globs that are matched using [minimatch](https://github.com/isaacs/minimatch).
+
+### rewrites (Array)
+
+If you want your visitors to receive a response under a certain path, but actually serve a completely different one behind the curtains, this option is what you need.
+
+It's perfect for [single page applications](https://en.wikipedia.org/wiki/Single-page_application) (SPAs), for example:
+
+```json
+{
+  "rewrites": [
+    { "source": "app/**", "destination": "/index.html" },
+    { "source": "projects/*/edit", "destination": "/edit-project.html" }
+  ]
+}
+```
+
+You can also use so-called "routing segments" as follows:
+
+```json
+{
+  "rewrites": [
+    { "source": "/projects/:id/edit", "destination": "/edit-project-:id.html" },
+  ]
+}
+```
+
+Now, if a visitor accesses `/projects/123/edit`, it will respond with the file `/edit-project-123.html`.
+
+**NOTE:** The paths can contain globs (matched using [minimatch](https://github.com/isaacs/minimatch)) or regular expressions (match using [path-to-regexp](https://github.com/pillarjs/path-to-regexp)).
+
+### redirects (Array)
+
+In order to redirect visits to a certain path to a different one (or even an external URL), you can use this option:
+
+```json
+{
+  "redirects": [
+    { "source": "/from", "destination": "/to" },
+    { "source": "/old-pages/**", "destination": "/home" }
+  ]
+}
+```
+
+By default, all of them are performed with the status code [301](https://en.wikipedia.org/wiki/HTTP_301), but this behavior can be adjusted by setting the `type` property directly on the object (see below).
+
+Just like with [rewrites](#rewrites-array), you can also use routing segments:
+
+```json
+{
+  "redirects": [
+    { "source": "/old-docs/:id", "destination": "/new-docs/:id" },
+    { "source": "/old", "destination": "/new", "type": 302 }
+  ]
+}
+```
+
+In the example above, `/old-docs/12` would be forwarded to `/new-docs/12` with status code [301](https://en.wikipedia.org/wiki/HTTP_301). In addition `/old` would be forwarded to `/new` with status code [302](https://en.wikipedia.org/wiki/HTTP_302).
+
+**NOTE:** The paths can contain globs (matched using [minimatch](https://github.com/isaacs/minimatch)) or regular expressions (match using [path-to-regexp](https://github.com/pillarjs/path-to-regexp)).
+
+### headers (Array)
+
+Allows you to set custom headers (and overwrite the default ones) for certain paths:
+
+```json
+{
+  "headers": [
+    {
+      "source" : "**/*.@(jpg|jpeg|gif|png)",
+      "headers" : [{
+        "key" : "Cache-Control",
+        "value" : "max-age=7200"
+      }]
+    }, {
+      "source" : "404.html",
+      "headers" : [{
+        "key" : "Cache-Control",
+        "value" : "max-age=300"
+      }]
+    }
+  ]
+}
+```
+
+If you define the `ETag` header for a path, the handler will automatically reply with status code `304` for that path if a request comes in with a matching `If-None-Match` header.
+
+If you set a header `value` to `null` it removes any previous defined header with the same key.
+
+**NOTE:** The paths can only contain globs that are matched using [minimatch](https://github.com/isaacs/minimatch).
+
+### directoryListing (Boolean|Array)
+
+For paths are not files, but directories, the package will automatically render a good-looking list of all the files and directories contained inside that directory.
+
+If you'd like to disable this for all paths, set this option to `false`. Furthermore, you can also restrict it to certain directory paths if you want:
+
+```json
+{
+  "directoryListing": [
+    "/assets/**",
+    "/!assets/private"
+  ]
+}
+```
+
+**NOTE:** The paths can only contain globs that are matched using [minimatch](https://github.com/isaacs/minimatch).
+
+### unlisted (Array)
+
+In certain cases, you might not want a file or directory to appear in the directory listing. In these situations, there are two ways of solving this problem.
+
+Either you disable the directory listing entirely (like shown [here](#directorylisting-booleanarray)), or you exclude certain paths from those listings by adding them all to this config property.
+
+```json
+{
+  "unlisted": [
+    ".DS_Store",
+    ".git"
+  ]
+}
+```
+
+The items shown above are excluded from the directory listing by default.
+
+**NOTE:** The paths can only contain globs that are matched using [minimatch](https://github.com/isaacs/minimatch).
+
+### trailingSlash (Boolean)
+
+By default, the package will try to make assumptions for when to add trailing slashes to your URLs or not. If you want to remove them, set this property to `false` and `true` if you want to force them on all URLs:
+
+```js
+{
+  "trailingSlash": true
+}
+```
+
+With the above config, a request to `/test` would now result in a [301](https://en.wikipedia.org/wiki/HTTP_301) redirect to `/test/`.
+
+### renderSingle (Boolean)
+
+Sometimes you might want to have a directory path actually render a file, if the directory only contains one. This is only useful for any files that are not `.html` files (for those, [`cleanUrls`](#cleanurls-booleanarray) is faster).
+
+This is disabled by default and can be enabled like this:
+
+```js
+{
+  "renderSingle": true
+}
+```
+
+After that, if you access your directory `/test` (for example), you will see an image being rendered if the directory contains a single image file.
+
+### symlinks (Boolean)
+
+For security purposes, symlinks are disabled by default. If `serve-handler` encounters a symlink, it will treat it as if it doesn't exist in the first place. In turn, a 404 error is rendered for that path.
+
+However, this behavior can easily be adjusted:
+
+```js
+{
+  "symlinks": true
+}
+```
+
+Once this property is set as shown above, all symlinks will automatically be resolved to their targets.
+
+### etag (Boolean)
+
+HTTP response headers will contain a strong [`ETag`][etag] response header, instead of a [`Last-Modified`][last-modified] header. Opt-in because calculating the hash value may be computationally expensive for large files.
+
+Sending an `ETag` header is disabled by default and can be enabled like this:
+
+```js
+{
+  "etag": true
+}
+```
+
+## Error templates
+
+The handler will automatically determine the right error format if one occurs and then sends it to the client in that format.
+
+Furthermore, this allows you to not just specifiy an error template for `404` errors, but also for all other errors that can occur (e.g. `400` or `500`).
+
+Just add a `<status-code>.html` file to the root directory and you're good.
+
+## Middleware
+
+If you want to replace the methods the package is using for interacting with the file system and sending responses, you can pass them as the fourth argument to the function call.
+
+These are the methods used by the package (they can all return a `Promise` or be asynchronous):
+
+```js
+await handler(request, response, undefined, {
+  lstat(path) {},
+  realpath(path) {},
+  createReadStream(path, config) {}
+  readdir(path) {},
+  sendError(absolutePath, response, acceptsJSON, root, handlers, config, error) {}
+});
+```
+
+**NOTE:** It's important that – for native methods like `createReadStream` – all arguments are passed on to the native call.
+
+## Author
+
+Leo Lamprecht ([@notquiteleo](https://twitter.com/notquiteleo)) - [Vercel](https://vercel.com)
+
+
+[etag]: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag
+[last-modified]: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Last-Modified
--- a/node_modules/serve-handler/node_modules/mime-db/HISTORY.md
+++ b/node_modules/serve-handler/node_modules/mime-db/HISTORY.md
@@ -0,0 +1,368 @@
+1.33.0 / 2018-02-15
+===================
+
+  * Add extensions from IANA for `message/*` types
+  * Add new upstream MIME types
+  * Fix some incorrect OOXML types
+  * Remove `application/font-woff2`
+
+1.32.0 / 2017-11-29
+===================
+
+  * Add new upstream MIME types
+  * Update `text/hjson` to registered `application/hjson`
+  * Add `text/shex` with extension `.shex`
+
+1.31.0 / 2017-10-25
+===================
+
+  * Add `application/raml+yaml` with extension `.raml`
+  * Add `application/wasm` with extension `.wasm`
+  * Add new `font` type from IANA
+  * Add new upstream font extensions
+  * Add new upstream MIME types
+  * Add extensions for JPEG-2000 images
+
+1.30.0 / 2017-08-27
+===================
+
+  * Add `application/vnd.ms-outlook`
+  * Add `application/x-arj`
+  * Add extension `.mjs` to `application/javascript`
+  * Add glTF types and extensions
+  * Add new upstream MIME types
+  * Add `text/x-org`
+  * Add VirtualBox MIME types
+  * Fix `source` records for `video/*` types that are IANA
+  * Update `font/opentype` to registered `font/otf`
+
+1.29.0 / 2017-07-10
+===================
+
+  * Add `application/fido.trusted-apps+json`
+  * Add extension `.wadl` to `application/vnd.sun.wadl+xml`
+  * Add new upstream MIME types
+  * Add `UTF-8` as default charset for `text/css`
+
+1.28.0 / 2017-05-14
+===================
+
+  * Add new upstream MIME types
+  * Add extension `.gz` to `application/gzip`
+  * Update extensions `.md` and `.markdown` to be `text/markdown`
+
+1.27.0 / 2017-03-16
+===================
+
+  * Add new upstream MIME types
+  * Add `image/apng` with extension `.apng`
+
+1.26.0 / 2017-01-14
+===================
+
+  * Add new upstream MIME types
+  * Add extension `.geojson` to `application/geo+json`
+
+1.25.0 / 2016-11-11
+===================
+
+  * Add new upstream MIME types
+
+1.24.0 / 2016-09-18
+===================
+
+  * Add `audio/mp3`
+  * Add new upstream MIME types
+
+1.23.0 / 2016-05-01
+===================
+
+  * Add new upstream MIME types
+  * Add extension `.3gpp` to `audio/3gpp`
+
+1.22.0 / 2016-02-15
+===================
+
+  * Add `text/slim`
+  * Add extension `.rng` to `application/xml`
+  * Add new upstream MIME types
+  * Fix extension of `application/dash+xml` to be `.mpd`
+  * Update primary extension to `.m4a` for `audio/mp4`
+
+1.21.0 / 2016-01-06
+===================
+
+  * Add Google document types
+  * Add new upstream MIME types
+
+1.20.0 / 2015-11-10
+===================
+
+  * Add `text/x-suse-ymp`
+  * Add new upstream MIME types
+
+1.19.0 / 2015-09-17
+===================
+
+  * Add `application/vnd.apple.pkpass`
+  * Add new upstream MIME types
+
+1.18.0 / 2015-09-03
+===================
+
+  * Add new upstream MIME types
+
+1.17.0 / 2015-08-13
+===================
+
+  * Add `application/x-msdos-program`
+  * Add `audio/g711-0`
+  * Add `image/vnd.mozilla.apng`
+  * Add extension `.exe` to `application/x-msdos-program`
+
+1.16.0 / 2015-07-29
+===================
+
+  * Add `application/vnd.uri-map`
+
+1.15.0 / 2015-07-13
+===================
+
+  * Add `application/x-httpd-php`
+
+1.14.0 / 2015-06-25
+===================
+
+  * Add `application/scim+json`
+  * Add `application/vnd.3gpp.ussd+xml`
+  * Add `application/vnd.biopax.rdf+xml`
+  * Add `text/x-processing`
+
+1.13.0 / 2015-06-07
+===================
+
+  * Add nginx as a source
+  * Add `application/x-cocoa`
+  * Add `application/x-java-archive-diff`
+  * Add `application/x-makeself`
+  * Add `application/x-perl`
+  * Add `application/x-pilot`
+  * Add `application/x-redhat-package-manager`
+  * Add `application/x-sea`
+  * Add `audio/x-m4a`
+  * Add `audio/x-realaudio`
+  * Add `image/x-jng`
+  * Add `text/mathml`
+
+1.12.0 / 2015-06-05
+===================
+
+  * Add `application/bdoc`
+  * Add `application/vnd.hyperdrive+json`
+  * Add `application/x-bdoc`
+  * Add extension `.rtf` to `text/rtf`
+
+1.11.0 / 2015-05-31
+===================
+
+  * Add `audio/wav`
+  * Add `audio/wave`
+  * Add extension `.litcoffee` to `text/coffeescript`
+  * Add extension `.sfd-hdstx` to `application/vnd.hydrostatix.sof-data`
+  * Add extension `.n-gage` to `application/vnd.nokia.n-gage.symbian.install`
+
+1.10.0 / 2015-05-19
+===================
+
+  * Add `application/vnd.balsamiq.bmpr`
+  * Add `application/vnd.microsoft.portable-executable`
+  * Add `application/x-ns-proxy-autoconfig`
+
+1.9.1 / 2015-04-19
+==================
+
+  * Remove `.json` extension from `application/manifest+json`
+    - This is causing bugs downstream
+
+1.9.0 / 2015-04-19
+==================
+
+  * Add `application/manifest+json`
+  * Add `application/vnd.micro+json`
+  * Add `image/vnd.zbrush.pcx`
+  * Add `image/x-ms-bmp`
+
+1.8.0 / 2015-03-13
+==================
+
+  * Add `application/vnd.citationstyles.style+xml`
+  * Add `application/vnd.fastcopy-disk-image`
+  * Add `application/vnd.gov.sk.xmldatacontainer+xml`
+  * Add extension `.jsonld` to `application/ld+json`
+
+1.7.0 / 2015-02-08
+==================
+
+  * Add `application/vnd.gerber`
+  * Add `application/vnd.msa-disk-image`
+
+1.6.1 / 2015-02-05
+==================
+
+  * Community extensions ownership transferred from `node-mime`
+
+1.6.0 / 2015-01-29
+==================
+
+  * Add `application/jose`
+  * Add `application/jose+json`
+  * Add `application/json-seq`
+  * Add `application/jwk+json`
+  * Add `application/jwk-set+json`
+  * Add `application/jwt`
+  * Add `application/rdap+json`
+  * Add `application/vnd.gov.sk.e-form+xml`
+  * Add `application/vnd.ims.imsccv1p3`
+
+1.5.0 / 2014-12-30
+==================
+
+  * Add `application/vnd.oracle.resource+json`
+  * Fix various invalid MIME type entries
+    - `application/mbox+xml`
+    - `application/oscp-response`
+    - `application/vwg-multiplexed`
+    - `audio/g721`
+
+1.4.0 / 2014-12-21
+==================
+
+  * Add `application/vnd.ims.imsccv1p2`
+  * Fix various invalid MIME type entries
+    - `application/vnd-acucobol`
+    - `application/vnd-curl`
+    - `application/vnd-dart`
+    - `application/vnd-dxr`
+    - `application/vnd-fdf`
+    - `application/vnd-mif`
+    - `application/vnd-sema`
+    - `application/vnd-wap-wmlc`
+    - `application/vnd.adobe.flash-movie`
+    - `application/vnd.dece-zip`
+    - `application/vnd.dvb_service`
+    - `application/vnd.micrografx-igx`
+    - `application/vnd.sealed-doc`
+    - `application/vnd.sealed-eml`
+    - `application/vnd.sealed-mht`
+    - `application/vnd.sealed-ppt`
+    - `application/vnd.sealed-tiff`
+    - `application/vnd.sealed-xls`
+    - `application/vnd.sealedmedia.softseal-html`
+    - `application/vnd.sealedmedia.softseal-pdf`
+    - `application/vnd.wap-slc`
+    - `application/vnd.wap-wbxml`
+    - `audio/vnd.sealedmedia.softseal-mpeg`
+    - `image/vnd-djvu`
+    - `image/vnd-svf`
+    - `image/vnd-wap-wbmp`
+    - `image/vnd.sealed-png`
+    - `image/vnd.sealedmedia.softseal-gif`
+    - `image/vnd.sealedmedia.softseal-jpg`
+    - `model/vnd-dwf`
+    - `model/vnd.parasolid.transmit-binary`
+    - `model/vnd.parasolid.transmit-text`
+    - `text/vnd-a`
+    - `text/vnd-curl`
+    - `text/vnd.wap-wml`
+  * Remove example template MIME types
+    - `application/example`
+    - `audio/example`
+    - `image/example`
+    - `message/example`
+    - `model/example`
+    - `multipart/example`
+    - `text/example`
+    - `video/example`
+
+1.3.1 / 2014-12-16
+==================
+
+  * Fix missing extensions
+    - `application/json5`
+    - `text/hjson`
+
+1.3.0 / 2014-12-07
+==================
+
+  * Add `application/a2l`
+  * Add `application/aml`
+  * Add `application/atfx`
+  * Add `application/atxml`
+  * Add `application/cdfx+xml`
+  * Add `application/dii`
+  * Add `application/json5`
+  * Add `application/lxf`
+  * Add `application/mf4`
+  * Add `application/vnd.apache.thrift.compact`
+  * Add `application/vnd.apache.thrift.json`
+  * Add `application/vnd.coffeescript`
+  * Add `application/vnd.enphase.envoy`
+  * Add `application/vnd.ims.imsccv1p1`
+  * Add `text/csv-schema`
+  * Add `text/hjson`
+  * Add `text/markdown`
+  * Add `text/yaml`
+
+1.2.0 / 2014-11-09
+==================
+
+  * Add `application/cea`
+  * Add `application/dit`
+  * Add `application/vnd.gov.sk.e-form+zip`
+  * Add `application/vnd.tmd.mediaflex.api+xml`
+  * Type `application/epub+zip` is now IANA-registered
+
+1.1.2 / 2014-10-23
+==================
+
+  * Rebuild database for `application/x-www-form-urlencoded` change
+
+1.1.1 / 2014-10-20
+==================
+
+  * Mark `application/x-www-form-urlencoded` as compressible.
+
+1.1.0 / 2014-09-28
+==================
+
+  * Add `application/font-woff2`
+
+1.0.3 / 2014-09-25
+==================
+
+  * Fix engine requirement in package
+
+1.0.2 / 2014-09-25
+==================
+
+  * Add `application/coap-group+json`
+  * Add `application/dcd`
+  * Add `application/vnd.apache.thrift.binary`
+  * Add `image/vnd.tencent.tap`
+  * Mark all JSON-derived types as compressible
+  * Update `text/vtt` data
+
+1.0.1 / 2014-08-30
+==================
+
+  * Fix extension ordering
+
+1.0.0 / 2014-08-30
+==================
+
+  * Add `application/atf`
+  * Add `application/merge-patch+json`
+  * Add `multipart/x-mixed-replace`
+  * Add `source: 'apache'` metadata
+  * Add `source: 'iana'` metadata
+  * Remove badly-assumed charset data
--- a/node_modules/serve-handler/node_modules/mime-db/LICENSE
+++ b/node_modules/serve-handler/node_modules/mime-db/LICENSE
@@ -0,0 +1,22 @@
+
+The MIT License (MIT)
+
+Copyright (c) 2014 Jonathan Ong me@jongleberry.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
--- a/node_modules/serve-handler/node_modules/mime-db/README.md
+++ b/node_modules/serve-handler/node_modules/mime-db/README.md
@@ -0,0 +1,94 @@
+# mime-db
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-image]][node-url]
+[![Build Status][travis-image]][travis-url]
+[![Coverage Status][coveralls-image]][coveralls-url]
+
+This is a database of all mime types.
+It consists of a single, public JSON file and does not include any logic,
+allowing it to remain as un-opinionated as possible with an API.
+It aggregates data from the following sources:
+
+- http://www.iana.org/assignments/media-types/media-types.xhtml
+- http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
+- http://hg.nginx.org/nginx/raw-file/default/conf/mime.types
+
+## Installation
+
+```bash
+npm install mime-db
+```
+
+### Database Download
+
+If you're crazy enough to use this in the browser, you can just grab the
+JSON file using [RawGit](https://rawgit.com/). It is recommended to replace
+`master` with [a release tag](https://github.com/jshttp/mime-db/tags) as the
+JSON format may change in the future.
+
+```
+https://cdn.rawgit.com/jshttp/mime-db/master/db.json
+```
+
+## Usage
+
+```js
+var db = require('mime-db');
+
+// grab data on .js files
+var data = db['application/javascript'];
+```
+
+## Data Structure
+
+The JSON file is a map lookup for lowercased mime types.
+Each mime type has the following properties:
+
+- `.source` - where the mime type is defined.
+    If not set, it's probably a custom media type.
+    - `apache` - [Apache common media types](http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types)
+    - `iana` - [IANA-defined media types](http://www.iana.org/assignments/media-types/media-types.xhtml)
+    - `nginx` - [nginx media types](http://hg.nginx.org/nginx/raw-file/default/conf/mime.types)
+- `.extensions[]` - known extensions associated with this mime type.
+- `.compressible` - whether a file of this type can be gzipped.
+- `.charset` - the default charset associated with this type, if any.
+
+If unknown, every property could be `undefined`.
+
+## Contributing
+
+To edit the database, only make PRs against `src/custom.json` or
+`src/custom-suffix.json`.
+
+The `src/custom.json` file is a JSON object with the MIME type as the keys
+and the values being an object with the following keys:
+
+- `compressible` - leave out if you don't know, otherwise `true`/`false` for
+  if the data represented by the time is typically compressible.
+- `extensions` - include an array of file extensions that are associated with
+  the type.
+- `notes` - human-readable notes about the type, typically what the type is.
+- `sources` - include an array of URLs of where the MIME type and the associated
+  extensions are sourced from. This needs to be a [primary source](https://en.wikipedia.org/wiki/Primary_source);
+  links to type aggregating sites and Wikipedia are _not acceptible_.
+
+To update the build, run `npm run build`.
+
+## Adding Custom Media Types
+
+The best way to get new media types included in this library is to register
+them with the IANA. The community registration procedure is outlined in
+[RFC 6838 section 5](http://tools.ietf.org/html/rfc6838#section-5). Types
+registered with the IANA are automatically pulled into this library.
+
+[npm-version-image]: https://img.shields.io/npm/v/mime-db.svg
+[npm-downloads-image]: https://img.shields.io/npm/dm/mime-db.svg
+[npm-url]: https://npmjs.org/package/mime-db
+[travis-image]: https://img.shields.io/travis/jshttp/mime-db/master.svg
+[travis-url]: https://travis-ci.org/jshttp/mime-db
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/mime-db/master.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/mime-db?branch=master
+[node-image]: https://img.shields.io/node/v/mime-db.svg
+[node-url]: https://nodejs.org/en/download/
--- a/node_modules/serve-handler/node_modules/mime-db/db.json
+++ b/node_modules/serve-handler/node_modules/mime-db/db.json
--- a/node_modules/serve-handler/node_modules/mime-db/index.js
+++ b/node_modules/serve-handler/node_modules/mime-db/index.js
@@ -0,0 +1,11 @@
+/*!
+ * mime-db
+ * Copyright(c) 2014 Jonathan Ong
+ * MIT Licensed
+ */
+
+/**
+ * Module exports.
+ */
+
+module.exports = require('./db.json')
--- a/node_modules/serve-handler/node_modules/mime-db/package.json
+++ b/node_modules/serve-handler/node_modules/mime-db/package.json
@@ -0,0 +1,57 @@
+{
+  "name": "mime-db",
+  "description": "Media Type Database",
+  "version": "1.33.0",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)",
+    "Robert Kieffer <robert@broofa.com> (http://github.com/broofa)"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "mime",
+    "db",
+    "type",
+    "types",
+    "database",
+    "charset",
+    "charsets"
+  ],
+  "repository": "jshttp/mime-db",
+  "devDependencies": {
+    "bluebird": "3.5.1",
+    "co": "4.6.0",
+    "cogent": "1.0.1",
+    "csv-parse": "1.3.1",
+    "eslint": "3.19.0",
+    "eslint-config-standard": "10.2.1",
+    "eslint-plugin-import": "2.8.0",
+    "eslint-plugin-node": "5.2.1",
+    "eslint-plugin-promise": "3.6.0",
+    "eslint-plugin-standard": "3.0.1",
+    "gnode": "0.1.2",
+    "mocha": "1.21.5",
+    "nyc": "11.4.1",
+    "raw-body": "2.3.2",
+    "stream-to-array": "2.3.0"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "db.json",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "build": "node scripts/build",
+    "fetch": "gnode scripts/fetch-apache && gnode scripts/fetch-iana && gnode scripts/fetch-nginx",
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "test-travis": "nyc --reporter=text npm test",
+    "update": "npm run fetch && npm run build"
+  }
+}
--- a/node_modules/serve-handler/node_modules/mime-types/HISTORY.md
+++ b/node_modules/serve-handler/node_modules/mime-types/HISTORY.md
@@ -0,0 +1,260 @@
+2.1.18 / 2018-02-16
+===================
+
+  * deps: mime-db@~1.33.0
+    - Add `application/raml+yaml` with extension `.raml`
+    - Add `application/wasm` with extension `.wasm`
+    - Add `text/shex` with extension `.shex`
+    - Add extensions for JPEG-2000 images
+    - Add extensions from IANA for `message/*` types
+    - Add new upstream MIME types
+    - Update font MIME types
+    - Update `text/hjson` to registered `application/hjson`
+
+2.1.17 / 2017-09-01
+===================
+
+  * deps: mime-db@~1.30.0
+    - Add `application/vnd.ms-outlook`
+    - Add `application/x-arj`
+    - Add extension `.mjs` to `application/javascript`
+    - Add glTF types and extensions
+    - Add new upstream MIME types
+    - Add `text/x-org`
+    - Add VirtualBox MIME types
+    - Fix `source` records for `video/*` types that are IANA
+    - Update `font/opentype` to registered `font/otf`
+
+2.1.16 / 2017-07-24
+===================
+
+  * deps: mime-db@~1.29.0
+    - Add `application/fido.trusted-apps+json`
+    - Add extension `.wadl` to `application/vnd.sun.wadl+xml`
+    - Add extension `.gz` to `application/gzip`
+    - Add new upstream MIME types
+    - Update extensions `.md` and `.markdown` to be `text/markdown`
+
+2.1.15 / 2017-03-23
+===================
+
+  * deps: mime-db@~1.27.0
+    - Add new mime types
+    - Add `image/apng`
+
+2.1.14 / 2017-01-14
+===================
+
+  * deps: mime-db@~1.26.0
+    - Add new mime types
+
+2.1.13 / 2016-11-18
+===================
+
+  * deps: mime-db@~1.25.0
+    - Add new mime types
+
+2.1.12 / 2016-09-18
+===================
+
+  * deps: mime-db@~1.24.0
+    - Add new mime types
+    - Add `audio/mp3`
+
+2.1.11 / 2016-05-01
+===================
+
+  * deps: mime-db@~1.23.0
+    - Add new mime types
+
+2.1.10 / 2016-02-15
+===================
+
+  * deps: mime-db@~1.22.0
+    - Add new mime types
+    - Fix extension of `application/dash+xml`
+    - Update primary extension for `audio/mp4`
+
+2.1.9 / 2016-01-06
+==================
+
+  * deps: mime-db@~1.21.0
+    - Add new mime types
+
+2.1.8 / 2015-11-30
+==================
+
+  * deps: mime-db@~1.20.0
+    - Add new mime types
+
+2.1.7 / 2015-09-20
+==================
+
+  * deps: mime-db@~1.19.0
+    - Add new mime types
+
+2.1.6 / 2015-09-03
+==================
+
+  * deps: mime-db@~1.18.0
+    - Add new mime types
+
+2.1.5 / 2015-08-20
+==================
+
+  * deps: mime-db@~1.17.0
+    - Add new mime types
+
+2.1.4 / 2015-07-30
+==================
+
+  * deps: mime-db@~1.16.0
+    - Add new mime types
+
+2.1.3 / 2015-07-13
+==================
+
+  * deps: mime-db@~1.15.0
+    - Add new mime types
+
+2.1.2 / 2015-06-25
+==================
+
+  * deps: mime-db@~1.14.0
+    - Add new mime types
+
+2.1.1 / 2015-06-08
+==================
+
+  * perf: fix deopt during mapping
+
+2.1.0 / 2015-06-07
+==================
+
+  * Fix incorrectly treating extension-less file name as extension
+    - i.e. `'path/to/json'` will no longer return `application/json`
+  * Fix `.charset(type)` to accept parameters
+  * Fix `.charset(type)` to match case-insensitive
+  * Improve generation of extension to MIME mapping
+  * Refactor internals for readability and no argument reassignment
+  * Prefer `application/*` MIME types from the same source
+  * Prefer any type over `application/octet-stream`
+  * deps: mime-db@~1.13.0
+    - Add nginx as a source
+    - Add new mime types
+
+2.0.14 / 2015-06-06
+===================
+
+  * deps: mime-db@~1.12.0
+    - Add new mime types
+
+2.0.13 / 2015-05-31
+===================
+
+  * deps: mime-db@~1.11.0
+    - Add new mime types
+
+2.0.12 / 2015-05-19
+===================
+
+  * deps: mime-db@~1.10.0
+    - Add new mime types
+
+2.0.11 / 2015-05-05
+===================
+
+  * deps: mime-db@~1.9.1
+    - Add new mime types
+
+2.0.10 / 2015-03-13
+===================
+
+  * deps: mime-db@~1.8.0
+    - Add new mime types
+
+2.0.9 / 2015-02-09
+==================
+
+  * deps: mime-db@~1.7.0
+    - Add new mime types
+    - Community extensions ownership transferred from `node-mime`
+
+2.0.8 / 2015-01-29
+==================
+
+  * deps: mime-db@~1.6.0
+    - Add new mime types
+
+2.0.7 / 2014-12-30
+==================
+
+  * deps: mime-db@~1.5.0
+    - Add new mime types
+    - Fix various invalid MIME type entries
+
+2.0.6 / 2014-12-30
+==================
+
+  * deps: mime-db@~1.4.0
+    - Add new mime types
+    - Fix various invalid MIME type entries
+    - Remove example template MIME types
+
+2.0.5 / 2014-12-29
+==================
+
+  * deps: mime-db@~1.3.1
+    - Fix missing extensions
+
+2.0.4 / 2014-12-10
+==================
+
+  * deps: mime-db@~1.3.0
+    - Add new mime types
+
+2.0.3 / 2014-11-09
+==================
+
+  * deps: mime-db@~1.2.0
+    - Add new mime types
+
+2.0.2 / 2014-09-28
+==================
+
+  * deps: mime-db@~1.1.0
+    - Add new mime types
+    - Add additional compressible
+    - Update charsets
+
+2.0.1 / 2014-09-07
+==================
+
+  * Support Node.js 0.6
+
+2.0.0 / 2014-09-02
+==================
+
+  * Use `mime-db`
+  * Remove `.define()`
+
+1.0.2 / 2014-08-04
+==================
+
+  * Set charset=utf-8 for `text/javascript`
+
+1.0.1 / 2014-06-24
+==================
+
+  * Add `text/jsx` type
+
+1.0.0 / 2014-05-12
+==================
+
+  * Return `false` for unknown types
+  * Set charset=utf-8 for `application/json`
+
+0.1.0 / 2014-05-02
+==================
+
+  * Initial release
--- a/node_modules/serve-handler/node_modules/mime-types/LICENSE
+++ b/node_modules/serve-handler/node_modules/mime-types/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--- a/node_modules/serve-handler/node_modules/mime-types/README.md
+++ b/node_modules/serve-handler/node_modules/mime-types/README.md
@@ -0,0 +1,108 @@
+# mime-types
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+The ultimate javascript content-type utility.
+
+Similar to [the `mime@1.x` module](https://www.npmjs.com/package/mime), except:
+
+- __No fallbacks.__ Instead of naively returning the first available type,
+  `mime-types` simply returns `false`, so do
+  `var type = mime.lookup('unrecognized') || 'application/octet-stream'`.
+- No `new Mime()` business, so you could do `var lookup = require('mime-types').lookup`.
+- No `.define()` functionality
+- Bug fixes for `.lookup(path)`
+
+Otherwise, the API is compatible with `mime` 1.x.
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install mime-types
+```
+
+## Adding Types
+
+All mime types are based on [mime-db](https://www.npmjs.com/package/mime-db),
+so open a PR there if you'd like to add mime types.
+
+## API
+
+```js
+var mime = require('mime-types')
+```
+
+All functions return `false` if input is invalid or not found.
+
+### mime.lookup(path)
+
+Lookup the content-type associated with a file.
+
+```js
+mime.lookup('json')             // 'application/json'
+mime.lookup('.md')              // 'text/markdown'
+mime.lookup('file.html')        // 'text/html'
+mime.lookup('folder/file.js')   // 'application/javascript'
+mime.lookup('folder/.htaccess') // false
+
+mime.lookup('cats') // false
+```
+
+### mime.contentType(type)
+
+Create a full content-type header given a content-type or extension.
+
+```js
+mime.contentType('markdown')  // 'text/x-markdown; charset=utf-8'
+mime.contentType('file.json') // 'application/json; charset=utf-8'
+
+// from a full path
+mime.contentType(path.extname('/path/to/file.json')) // 'application/json; charset=utf-8'
+```
+
+### mime.extension(type)
+
+Get the default extension for a content-type.
+
+```js
+mime.extension('application/octet-stream') // 'bin'
+```
+
+### mime.charset(type)
+
+Lookup the implied default charset of a content-type.
+
+```js
+mime.charset('text/markdown') // 'UTF-8'
+```
+
+### var type = mime.types[extension]
+
+A map of content-types by extension.
+
+### [extensions...] = mime.extensions[type]
+
+A map of extensions by content-type.
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/mime-types.svg
+[npm-url]: https://npmjs.org/package/mime-types
+[node-version-image]: https://img.shields.io/node/v/mime-types.svg
+[node-version-url]: https://nodejs.org/en/download/
+[travis-image]: https://img.shields.io/travis/jshttp/mime-types/master.svg
+[travis-url]: https://travis-ci.org/jshttp/mime-types
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/mime-types/master.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/mime-types
+[downloads-image]: https://img.shields.io/npm/dm/mime-types.svg
+[downloads-url]: https://npmjs.org/package/mime-types
--- a/node_modules/serve-handler/node_modules/mime-types/index.js
+++ b/node_modules/serve-handler/node_modules/mime-types/index.js
@@ -0,0 +1,188 @@
+/*!
+ * mime-types
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var db = require('mime-db')
+var extname = require('path').extname
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var EXTRACT_TYPE_REGEXP = /^\s*([^;\s]*)(?:;|\s|$)/
+var TEXT_TYPE_REGEXP = /^text\//i
+
+/**
+ * Module exports.
+ * @public
+ */
+
+exports.charset = charset
+exports.charsets = { lookup: charset }
+exports.contentType = contentType
+exports.extension = extension
+exports.extensions = Object.create(null)
+exports.lookup = lookup
+exports.types = Object.create(null)
+
+// Populate the extensions/types maps
+populateMaps(exports.extensions, exports.types)
+
+/**
+ * Get the default charset for a MIME type.
+ *
+ * @param {string} type
+ * @return {boolean|string}
+ */
+
+function charset (type) {
+  if (!type || typeof type !== 'string') {
+    return false
+  }
+
+  // TODO: use media-typer
+  var match = EXTRACT_TYPE_REGEXP.exec(type)
+  var mime = match && db[match[1].toLowerCase()]
+
+  if (mime && mime.charset) {
+    return mime.charset
+  }
+
+  // default text/* to utf-8
+  if (match && TEXT_TYPE_REGEXP.test(match[1])) {
+    return 'UTF-8'
+  }
+
+  return false
+}
+
+/**
+ * Create a full Content-Type header given a MIME type or extension.
+ *
+ * @param {string} str
+ * @return {boolean|string}
+ */
+
+function contentType (str) {
+  // TODO: should this even be in this module?
+  if (!str || typeof str !== 'string') {
+    return false
+  }
+
+  var mime = str.indexOf('/') === -1
+    ? exports.lookup(str)
+    : str
+
+  if (!mime) {
+    return false
+  }
+
+  // TODO: use content-type or other module
+  if (mime.indexOf('charset') === -1) {
+    var charset = exports.charset(mime)
+    if (charset) mime += '; charset=' + charset.toLowerCase()
+  }
+
+  return mime
+}
+
+/**
+ * Get the default extension for a MIME type.
+ *
+ * @param {string} type
+ * @return {boolean|string}
+ */
+
+function extension (type) {
+  if (!type || typeof type !== 'string') {
+    return false
+  }
+
+  // TODO: use media-typer
+  var match = EXTRACT_TYPE_REGEXP.exec(type)
+
+  // get extensions
+  var exts = match && exports.extensions[match[1].toLowerCase()]
+
+  if (!exts || !exts.length) {
+    return false
+  }
+
+  return exts[0]
+}
+
+/**
+ * Lookup the MIME type for a file path/extension.
+ *
+ * @param {string} path
+ * @return {boolean|string}
+ */
+
+function lookup (path) {
+  if (!path || typeof path !== 'string') {
+    return false
+  }
+
+  // get the extension ("ext" or ".ext" or full path)
+  var extension = extname('x.' + path)
+    .toLowerCase()
+    .substr(1)
+
+  if (!extension) {
+    return false
+  }
+
+  return exports.types[extension] || false
+}
+
+/**
+ * Populate the extensions and types maps.
+ * @private
+ */
+
+function populateMaps (extensions, types) {
+  // source preference (least -> most)
+  var preference = ['nginx', 'apache', undefined, 'iana']
+
+  Object.keys(db).forEach(function forEachMimeType (type) {
+    var mime = db[type]
+    var exts = mime.extensions
+
+    if (!exts || !exts.length) {
+      return
+    }
+
+    // mime -> extensions
+    extensions[type] = exts
+
+    // extension -> mime
+    for (var i = 0; i < exts.length; i++) {
+      var extension = exts[i]
+
+      if (types[extension]) {
+        var from = preference.indexOf(db[types[extension]].source)
+        var to = preference.indexOf(mime.source)
+
+        if (types[extension] !== 'application/octet-stream' &&
+          (from > to || (from === to && types[extension].substr(0, 12) === 'application/'))) {
+          // skip the remapping
+          continue
+        }
+      }
+
+      // set the extension -> mime
+      types[extension] = type
+    }
+  })
+}
--- a/node_modules/serve-handler/node_modules/mime-types/package.json
+++ b/node_modules/serve-handler/node_modules/mime-types/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "mime-types",
+  "description": "The ultimate javascript content-type utility.",
+  "version": "2.1.18",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jeremiah Senkpiel <fishrock123@rocketmail.com> (https://searchbeam.jit.su)",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "mime",
+    "types"
+  ],
+  "repository": "jshttp/mime-types",
+  "dependencies": {
+    "mime-db": "~1.33.0"
+  },
+  "devDependencies": {
+    "eslint": "3.19.0",
+    "eslint-config-standard": "10.2.1",
+    "eslint-plugin-import": "2.8.0",
+    "eslint-plugin-node": "5.2.1",
+    "eslint-plugin-promise": "3.6.0",
+    "eslint-plugin-standard": "3.0.1",
+    "istanbul": "0.4.5",
+    "mocha": "1.21.5"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec test/test.js",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot test/test.js",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter dot test/test.js"
+  }
+}
--- a/node_modules/serve-handler/package.json
+++ b/node_modules/serve-handler/package.json
@@ -0,0 +1,75 @@
+{
+  "name": "serve-handler",
+  "version": "6.1.3",
+  "description": "The routing foundation of `serve` and static deployments on Now",
+  "main": "src/index.js",
+  "scripts": {
+    "test": "yarn run test-lint && yarn run test-integration",
+    "test-lint": "zeit-eslint --ext .jsx,.js .",
+    "test-integration": "nyc --reporter=html --reporter=text ava test/integration.js",
+    "coverage": "nyc report --reporter=text-lcov > coverage.lcov && codecov",
+    "lint-staged": "git diff --diff-filter=ACMRT --cached --name-only '*.js' '*.jsx' | xargs zeit-eslint",
+    "build-views": "dottojs -s ./src -d ./src",
+    "prepublish": "yarn run build-views"
+  },
+  "repository": "zeit/serve-handler",
+  "keywords": [
+    "static",
+    "deployment",
+    "server"
+  ],
+  "author": "leo",
+  "license": "MIT",
+  "files": [
+    "src/index.js",
+    "src/glob-slash.js",
+    "src/directory.js",
+    "src/error.js"
+  ],
+  "devDependencies": {
+    "@zeit/eslint-config-node": "0.2.13",
+    "@zeit/git-hooks": "0.1.4",
+    "ava": "2.2.0",
+    "codecov": "3.7.0",
+    "commander": "2.15.1",
+    "dot": "1.1.3",
+    "eslint": "6.1.0",
+    "fs-extra": "6.0.1",
+    "micro": "9.3.2",
+    "node-fetch": "2.1.2",
+    "nyc": "14.1.1",
+    "request": "2.87.0",
+    "sleep-promise": "6.0.0",
+    "test-listen": "1.1.0"
+  },
+  "eslintConfig": {
+    "extends": [
+      "@zeit/eslint-config-node"
+    ]
+  },
+  "nyc": {
+    "exclude": [
+      "src/directory.js",
+      "src/error.js",
+      "test/*"
+    ]
+  },
+  "eslintIgnore": [
+    "error.js",
+    "directory.js",
+    "coverage"
+  ],
+  "git": {
+    "pre-commit": "lint-staged"
+  },
+  "dependencies": {
+    "bytes": "3.0.0",
+    "content-disposition": "0.5.2",
+    "fast-url-parser": "1.1.3",
+    "mime-types": "2.1.18",
+    "minimatch": "3.0.4",
+    "path-is-inside": "1.0.2",
+    "path-to-regexp": "2.2.1",
+    "range-parser": "1.2.0"
+  }
+}
--- a/node_modules/serve-handler/src/directory.js
+++ b/node_modules/serve-handler/src/directory.js
@@ -0,0 +1,16 @@
+(function(){function directory(it
+) {
+var encodeHTML = typeof _encodeHTML !== 'undefined' ? _encodeHTML : (function(doNotSkipEncoded) {
+		var encodeHTMLRules = { "&": "&#38;", "<": "&#60;", ">": "&#62;", '"': "&#34;", "'": "&#39;", "/": "&#47;" },
+			matchHTML = doNotSkipEncoded ? /[&<>"'\/]/g : /&(?!#?\w+;)|<|>|"|'|\//g;
+		return function(code) {
+			return code ? code.toString().replace(matchHTML, function(m) {return encodeHTMLRules[m] || m;}) : "";
+		};
+	}());var out='<!DOCTYPE html><html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Files within '+encodeHTML(it.directory)+'</title> <style>body { margin: 0; padding: 30px; background: #fff; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif; -webkit-font-smoothing: antialiased;}main { max-width: 920px;}header { display: flex; justify-content: space-between; flex-wrap: wrap;}h1 { font-size: 18px; font-weight: 500; margin-top: 0; color: #000;}header h1 a { font-size: 18px; font-weight: 500; margin-top: 0; color: #000;}h1 i { font-style: normal;}ul { margin: 0 0 0 -2px; padding: 20px 0 0 0;}ul li { list-style: none; font-size: 14px; display: flex; justify-content: space-between;}a { text-decoration: none;}ul a { color: #000; padding: 10px 5px; margin: 0 -5px; white-space: nowrap; overflow: hidden; display: block; width: 100%; text-overflow: ellipsis;}header a { color: #0076FF; font-size: 11px; font-weight: 400; display: inline-block; line-height: 20px;}svg { height: 13px; vertical-align: text-bottom;}ul a::before { display: inline-block; vertical-align: middle; margin-right: 10px; width: 24px; text-align: center; line-height: 12px;}ul a.file::before { content: url("data:image/svg+xml;utf8,<svg width=\'15\' height=\'19\' fill=\'none\' xmlns=\'http://www.w3.org/2000/svg\'><path d=\'M10 8C8.34 8 7 6.66 7 5V1H3c-1.1 0-2 .9-2 2v13c0 1.1.9 2 2 2h9c1.1 0 2-.9 2-2V8h-4zM8 5c0 1.1.9 2 2 2h3.59L8 1.41V5zM3 0h5l7 7v9c0 1.66-1.34 3-3 3H3c-1.66 0-3-1.34-3-3V3c0-1.66 1.34-3 3-3z\' fill=\'black\'/></svg>");}ul a:hover { text-decoration: underline;}ul a.folder::before { content: url("data:image/svg+xml;utf8,<svg width=\'20\' height=\'16\' fill=\'none\' xmlns=\'http://www.w3.org/2000/svg\'><path d=\'M18.784 3.87a1.565 1.565 0 0 0-.565-.356V2.426c0-.648-.523-1.171-1.15-1.171H8.996L7.908.25A.89.89 0 0 0 7.302 0H2.094C1.445 0 .944.523.944 1.171v2.3c-.21.085-.398.21-.565.356a1.348 1.348 0 0 0-.377 1.004l.398 9.83C.42 15.393 1.048 16 1.8 16h15.583c.753 0 1.36-.586 1.4-1.339l.398-9.83c.021-.313-.125-.69-.397-.962zM1.843 3.41V1.191c0-.146.104-.272.25-.272H7.26l1.234 1.088c.083.042.167.104.293.104h8.282c.125 0 .25.126.25.272V3.41H1.844zm15.54 11.712H1.78a.47.47 0 0 1-.481-.46l-.397-9.83c0-.147.041-.252.125-.356a.504.504 0 0 1 .377-.147H17.78c.125 0 .272.063.377.147.083.083.125.209.125.334l-.418 9.83c-.021.272-.23.482-.481.482z\' fill=\'black\'/></svg>");}ul a.lambda::before { content: url("data:image/svg+xml; utf8,<svg width=\'15\' height=\'19\' fill=\'none\' xmlns=\'http://www.w3.org/2000/svg\'><path d=\'M3.5 14.4354H5.31622L7.30541 9.81311H7.43514L8.65315 13.0797C9.05676 14.1643 9.55405 14.5 10.7 14.5C11.0171 14.5 11.291 14.4677 11.5 14.4032V13.1572C11.3847 13.1766 11.2622 13.2024 11.1541 13.2024C10.6351 13.2024 10.3829 13.0281 10.1595 12.4664L8.02613 7.07586C7.21171 5.01646 6.54865 4.5 5.11441 4.5C4.83333 4.5 4.62432 4.53228 4.37207 4.59038V5.83635C4.56667 5.81052 4.66036 5.79761 4.77568 5.79761C5.64775 5.79761 5.9 6.0042 6.4045 7.19852L6.64234 7.77954L3.5 14.4354Z\' fill=\'black\'/><rect x=\'0.5\' y=\'0.5\' width=\'14\' height=\'18\' rx=\'2.5\' stroke=\'black\'/></svg>");}ul a.file.gif::before,ul a.file.jpg::before,ul a.file.png::before,ul a.file.svg::before { content: url("data:image/svg+xml;utf8,<svg width=\'16\' height=\'16\' viewBox=\'0 0 80 80\' xmlns=\'http://www.w3.org/2000/svg\' fill=\'none\' stroke=\'black\' stroke-width=\'5\' stroke-linecap=\'round\' stroke-linejoin=\'round\'><rect x=\'6\' y=\'6\' width=\'68\' height=\'68\' rx=\'5\' ry=\'5\'/><circle cx=\'24\' cy=\'24\' r=\'8\'/><path d=\'M73 49L59 34 37 52m16 20L27 42 7 58\'/></svg>");}::selection { background-color: #79FFE1; color: #000;}::-moz-selection { background-color: #79FFE1; color: #000;}@media (min-width: 768px) { ul {display: flex;flex-wrap: wrap; } ul li {width: 230px;padding-right: 20px; }}@media (min-width: 992px) { body {padding: 45px; } h1, header h1 a {font-size: 15px; } ul li {font-size: 13px;box-sizing: border-box;justify-content: flex-start; }}</style> </head> <body> <main> <header> <h1> <i>Index of&nbsp;</i> ';var arr1=it.paths;if(arr1){var value,index=-1,l1=arr1.length-1;while(index<l1){value=arr1[index+=1];out+=' <a href="/'+encodeHTML(value.url)+'">'+encodeHTML(value.name)+'</a> ';} } out+=' </h1> </header> <ul id="files"> ';var arr2=it.files;if(arr2){var value,index=-1,l2=arr2.length-1;while(index<l2){value=arr2[index+=1];out+=' <li> <a href="'+encodeHTML(value.relative)+'" title="'+encodeHTML(value.title)+'" class="'+encodeHTML(value.type)+' '+encodeHTML(value.ext)+'">'+encodeHTML(value.base)+'</a> </li> ';} } out+=' </ul></main> </body></html>';return out;
+}var itself=directory, _encodeHTML=(function(doNotSkipEncoded) {
+		var encodeHTMLRules = { "&": "&#38;", "<": "&#60;", ">": "&#62;", '"': "&#34;", "'": "&#39;", "/": "&#47;" },
+			matchHTML = doNotSkipEncoded ? /[&<>"'\/]/g : /&(?!#?\w+;)|<|>|"|'|\//g;
+		return function(code) {
+			return code ? code.toString().replace(matchHTML, function(m) {return encodeHTMLRules[m] || m;}) : "";
+		};
+	}());if(typeof module!=='undefined' && module.exports) module.exports=itself;else if(typeof define==='function')define(function(){return itself;});else {window.render=window.render||{};window.render['directory']=itself;}}());
--- a/node_modules/serve-handler/src/error.js
+++ b/node_modules/serve-handler/src/error.js
@@ -0,0 +1,10 @@
+(function(){function error(it
+) {
+var out='<!DOCTYPE html><head> <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"/> <style> body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif; cursor: default; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; position: absolute; top: 0; left: 0; right: 0; bottom: 0; display: flex; flex-direction: column; } main, aside, section { display: flex; justify-content: center; align-items: center; flex-direction: column; } main { height: 100%; } aside { background: #000; flex-shrink: 1; padding: 30px 20px; } aside p { margin: 0; color: #999999; font-size: 14px; line-height: 24px; } aside a { color: #fff; text-decoration: none; } section span { font-size: 24px; font-weight: 500; display: block; border-bottom: 1px solid #EAEAEA; text-align: center; padding-bottom: 20px; width: 100px; } section p { font-size: 14px; font-weight: 400; } section span + p { margin: 20px 0 0 0; } @media (min-width: 768px) { section { height: 40px; flex-direction: row; } section span, section p { height: 100%; line-height: 40px; } section span { border-bottom: 0; border-right: 1px solid #EAEAEA; padding: 0 20px 0 0; width: auto; } section span + p { margin: 0; padding-left: 20px; } aside { padding: 50px 0; } aside p { max-width: 520px; text-align: center; } } </style></head><body> <main> <section> <span>'+(it.statusCode)+'</span> <p>'+(it.message)+'</p> </section> </main></body>';return out;
+}var itself=error, _encodeHTML=(function(doNotSkipEncoded) {
+		var encodeHTMLRules = { "&": "&#38;", "<": "&#60;", ">": "&#62;", '"': "&#34;", "'": "&#39;", "/": "&#47;" },
+			matchHTML = doNotSkipEncoded ? /[&<>"'\/]/g : /&(?!#?\w+;)|<|>|"|'|\//g;
+		return function(code) {
+			return code ? code.toString().replace(matchHTML, function(m) {return encodeHTMLRules[m] || m;}) : "";
+		};
+	}());if(typeof module!=='undefined' && module.exports) module.exports=itself;else if(typeof define==='function')define(function(){return itself;});else {window.render=window.render||{};window.render['error']=itself;}}());
--- a/node_modules/serve-handler/src/glob-slash.js
+++ b/node_modules/serve-handler/src/glob-slash.js
@@ -0,0 +1,9 @@
+/* ! The MIT License (MIT) Copyright (c) 2014 Scott Corgan */
+
+// This is adopted from https://github.com/scottcorgan/glob-slash/
+
+const path = require('path');
+const normalize = value => path.posix.normalize(path.posix.join('/', value));
+
+module.exports = value => (value.charAt(0) === '!' ? `!${normalize(value.substr(1))}` : normalize(value));
+module.exports.normalize = normalize;
--- a/node_modules/serve-handler/src/index.js
+++ b/node_modules/serve-handler/src/index.js
@@ -0,0 +1,756 @@
+// Native
+const {promisify} = require('util');
+const path = require('path');
+const {createHash} = require('crypto');
+const {realpath, lstat, createReadStream, readdir} = require('fs');
+
+// Packages
+const url = require('fast-url-parser');
+const slasher = require('./glob-slash');
+const minimatch = require('minimatch');
+const pathToRegExp = require('path-to-regexp');
+const mime = require('mime-types');
+const bytes = require('bytes');
+const contentDisposition = require('content-disposition');
+const isPathInside = require('path-is-inside');
+const parseRange = require('range-parser');
+
+// Other
+const directoryTemplate = require('./directory');
+const errorTemplate = require('./error');
+
+const etags = new Map();
+
+const calculateSha = (handlers, absolutePath) =>
+	new Promise((resolve, reject) => {
+		const hash = createHash('sha1');
+		hash.update(path.extname(absolutePath));
+		hash.update('-');
+		const rs = handlers.createReadStream(absolutePath);
+		rs.on('error', reject);
+		rs.on('data', buf => hash.update(buf));
+		rs.on('end', () => {
+			const sha = hash.digest('hex');
+			resolve(sha);
+		});
+	});
+
+const sourceMatches = (source, requestPath, allowSegments) => {
+	const keys = [];
+	const slashed = slasher(source);
+	const resolvedPath = path.posix.resolve(requestPath);
+
+	let results = null;
+
+	if (allowSegments) {
+		const normalized = slashed.replace('*', '(.*)');
+		const expression = pathToRegExp(normalized, keys);
+
+		results = expression.exec(resolvedPath);
+
+		if (!results) {
+			// clear keys so that they are not used
+			// later with empty results. this may
+			// happen if minimatch returns true
+			keys.length = 0;
+		}
+	}
+
+	if (results || minimatch(resolvedPath, slashed)) {
+		return {
+			keys,
+			results
+		};
+	}
+
+	return null;
+};
+
+const toTarget = (source, destination, previousPath) => {
+	const matches = sourceMatches(source, previousPath, true);
+
+	if (!matches) {
+		return null;
+	}
+
+	const {keys, results} = matches;
+
+	const props = {};
+	const {protocol} = url.parse(destination);
+	const normalizedDest = protocol ? destination : slasher(destination);
+	const toPath = pathToRegExp.compile(normalizedDest);
+
+	for (let index = 0; index < keys.length; index++) {
+		const {name} = keys[index];
+		props[name] = results[index + 1];
+	}
+
+	return toPath(props);
+};
+
+const applyRewrites = (requestPath, rewrites = [], repetitive) => {
+	// We need to copy the array, since we're going to modify it.
+	const rewritesCopy = rewrites.slice();
+
+	// If the method was called again, the path was already rewritten
+	// so we need to make sure to return it.
+	const fallback = repetitive ? requestPath : null;
+
+	if (rewritesCopy.length === 0) {
+		return fallback;
+	}
+
+	for (let index = 0; index < rewritesCopy.length; index++) {
+		const {source, destination} = rewrites[index];
+		const target = toTarget(source, destination, requestPath);
+
+		if (target) {
+			// Remove rules that were already applied
+			rewritesCopy.splice(index, 1);
+
+			// Check if there are remaining ones to be applied
+			return applyRewrites(slasher(target), rewritesCopy, true);
+		}
+	}
+
+	return fallback;
+};
+
+const ensureSlashStart = target => (target.startsWith('/') ? target : `/${target}`);
+
+const shouldRedirect = (decodedPath, {redirects = [], trailingSlash}, cleanUrl) => {
+	const slashing = typeof trailingSlash === 'boolean';
+	const defaultType = 301;
+	const matchHTML = /(\.html|\/index)$/g;
+
+	if (redirects.length === 0 && !slashing && !cleanUrl) {
+		return null;
+	}
+
+	// By stripping the HTML parts from the decoded
+	// path *before* handling the trailing slash, we make
+	// sure that only *one* redirect occurs if both
+	// config options are used.
+	if (cleanUrl && matchHTML.test(decodedPath)) {
+		decodedPath = decodedPath.replace(matchHTML, '');
+		if (decodedPath.indexOf('//') > -1) {
+			decodedPath = decodedPath.replace(/\/+/g, '/');
+		}
+		return {
+			target: ensureSlashStart(decodedPath),
+			statusCode: defaultType
+		};
+	}
+
+	if (slashing) {
+		const {ext, name} = path.parse(decodedPath);
+		const isTrailed = decodedPath.endsWith('/');
+		const isDotfile = name.startsWith('.');
+
+		let target = null;
+
+		if (!trailingSlash && isTrailed) {
+			target = decodedPath.slice(0, -1);
+		} else if (trailingSlash && !isTrailed && !ext && !isDotfile) {
+			target = `${decodedPath}/`;
+		}
+
+		if (decodedPath.indexOf('//') > -1) {
+			target = decodedPath.replace(/\/+/g, '/');
+		}
+
+		if (target) {
+			return {
+				target: ensureSlashStart(target),
+				statusCode: defaultType
+			};
+		}
+	}
+
+	// This is currently the fastest way to
+	// iterate over an array
+	for (let index = 0; index < redirects.length; index++) {
+		const {source, destination, type} = redirects[index];
+		const target = toTarget(source, destination, decodedPath);
+
+		if (target) {
+			return {
+				target,
+				statusCode: type || defaultType
+			};
+		}
+	}
+
+	return null;
+};
+
+const appendHeaders = (target, source) => {
+	for (let index = 0; index < source.length; index++) {
+		const {key, value} = source[index];
+		target[key] = value;
+	}
+};
+
+const getHeaders = async (handlers, config, current, absolutePath, stats) => {
+	const {headers: customHeaders = [], etag = false} = config;
+	const related = {};
+	const {base} = path.parse(absolutePath);
+	const relativePath = path.relative(current, absolutePath);
+
+	if (customHeaders.length > 0) {
+		// By iterating over all headers and never stopping, developers
+		// can specify multiple header sources in the config that
+		// might match a single path.
+		for (let index = 0; index < customHeaders.length; index++) {
+			const {source, headers} = customHeaders[index];
+
+			if (sourceMatches(source, slasher(relativePath))) {
+				appendHeaders(related, headers);
+			}
+		}
+	}
+
+	let defaultHeaders = {};
+
+	if (stats) {
+		defaultHeaders = {
+			'Content-Length': stats.size,
+			// Default to "inline", which always tries to render in the browser,
+			// if that's not working, it will save the file. But to be clear: This
+			// only happens if it cannot find a appropiate value.
+			'Content-Disposition': contentDisposition(base, {
+				type: 'inline'
+			}),
+			'Accept-Ranges': 'bytes'
+		};
+
+		if (etag) {
+			let [mtime, sha] = etags.get(absolutePath) || [];
+			if (Number(mtime) !== Number(stats.mtime)) {
+				sha = await calculateSha(handlers, absolutePath);
+				etags.set(absolutePath, [stats.mtime, sha]);
+			}
+			defaultHeaders['ETag'] = `"${sha}"`;
+		} else {
+			defaultHeaders['Last-Modified'] = stats.mtime.toUTCString();
+		}
+
+		const contentType = mime.contentType(base);
+
+		if (contentType) {
+			defaultHeaders['Content-Type'] = contentType;
+		}
+	}
+
+	const headers = Object.assign(defaultHeaders, related);
+
+	for (const key in headers) {
+		if (headers.hasOwnProperty(key) && headers[key] === null) {
+			delete headers[key];
+		}
+	}
+
+	return headers;
+};
+
+const applicable = (decodedPath, configEntry) => {
+	if (typeof configEntry === 'boolean') {
+		return configEntry;
+	}
+
+	if (Array.isArray(configEntry)) {
+		for (let index = 0; index < configEntry.length; index++) {
+			const source = configEntry[index];
+
+			if (sourceMatches(source, decodedPath)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	return true;
+};
+
+const getPossiblePaths = (relativePath, extension) => [
+	path.join(relativePath, `index${extension}`),
+	relativePath.endsWith('/') ? relativePath.replace(/\/$/g, extension) : (relativePath + extension)
+].filter(item => path.basename(item) !== extension);
+
+const findRelated = async (current, relativePath, rewrittenPath, originalStat) => {
+	const possible = rewrittenPath ? [rewrittenPath] : getPossiblePaths(relativePath, '.html');
+
+	let stats = null;
+
+	for (let index = 0; index < possible.length; index++) {
+		const related = possible[index];
+		const absolutePath = path.join(current, related);
+
+		try {
+			stats = await originalStat(absolutePath);
+		} catch (err) {
+			if (err.code !== 'ENOENT' && err.code !== 'ENOTDIR') {
+				throw err;
+			}
+		}
+
+		if (stats) {
+			return {
+				stats,
+				absolutePath
+			};
+		}
+	}
+
+	return null;
+};
+
+const canBeListed = (excluded, file) => {
+	const slashed = slasher(file);
+	let whether = true;
+
+	for (let mark = 0; mark < excluded.length; mark++) {
+		const source = excluded[mark];
+
+		if (sourceMatches(source, slashed)) {
+			whether = false;
+			break;
+		}
+	}
+
+	return whether;
+};
+
+const renderDirectory = async (current, acceptsJSON, handlers, methods, config, paths) => {
+	const {directoryListing, trailingSlash, unlisted = [], renderSingle} = config;
+	const slashSuffix = typeof trailingSlash === 'boolean' ? (trailingSlash ? '/' : '') : '/';
+	const {relativePath, absolutePath} = paths;
+
+	const excluded = [
+		'.DS_Store',
+		'.git',
+		...unlisted
+	];
+
+	if (!applicable(relativePath, directoryListing) && !renderSingle) {
+		return {};
+	}
+
+	let files = await handlers.readdir(absolutePath);
+
+	const canRenderSingle = renderSingle && (files.length === 1);
+
+	for (let index = 0; index < files.length; index++) {
+		const file = files[index];
+
+		const filePath = path.resolve(absolutePath, file);
+		const details = path.parse(filePath);
+
+		// It's important to indicate that the `stat` call was
+		// spawned by the directory listing, as Now is
+		// simulating those calls and needs to special-case this.
+		let stats = null;
+
+		if (methods.lstat) {
+			stats = await handlers.lstat(filePath, true);
+		} else {
+			stats = await handlers.lstat(filePath);
+		}
+
+		details.relative = path.join(relativePath, details.base);
+
+		if (stats.isDirectory()) {
+			details.base += slashSuffix;
+			details.relative += slashSuffix;
+			details.type = 'folder';
+		} else {
+			if (canRenderSingle) {
+				return {
+					singleFile: true,
+					absolutePath: filePath,
+					stats
+				};
+			}
+
+			details.ext = details.ext.split('.')[1] || 'txt';
+			details.type = 'file';
+
+			details.size = bytes(stats.size, {
+				unitSeparator: ' ',
+				decimalPlaces: 0
+			});
+		}
+
+		details.title = details.base;
+
+		if (canBeListed(excluded, file)) {
+			files[index] = details;
+		} else {
+			delete files[index];
+		}
+	}
+
+	const toRoot = path.relative(current, absolutePath);
+	const directory = path.join(path.basename(current), toRoot, slashSuffix);
+	const pathParts = directory.split(path.sep).filter(Boolean);
+
+	// Sort to list directories first, then sort alphabetically
+	files = files.sort((a, b) => {
+		const aIsDir = a.type === 'directory';
+		const bIsDir = b.type === 'directory';
+
+		/* istanbul ignore next */
+		if (aIsDir && !bIsDir) {
+			return -1;
+		}
+
+		if ((bIsDir && !aIsDir) || (a.base > b.base)) {
+			return 1;
+		}
+
+		/* istanbul ignore next */
+		if (a.base < b.base) {
+			return -1;
+		}
+
+		/* istanbul ignore next */
+		return 0;
+	}).filter(Boolean);
+
+	// Add parent directory to the head of the sorted files array
+	if (toRoot.length > 0) {
+		const directoryPath = [...pathParts].slice(1);
+		const relative = path.join('/', ...directoryPath, '..', slashSuffix);
+
+		files.unshift({
+			type: 'directory',
+			base: '..',
+			relative,
+			title: relative,
+			ext: ''
+		});
+	}
+
+	const subPaths = [];
+
+	for (let index = 0; index < pathParts.length; index++) {
+		const parents = [];
+		const isLast = index === (pathParts.length - 1);
+
+		let before = 0;
+
+		while (before <= index) {
+			parents.push(pathParts[before]);
+			before++;
+		}
+
+		parents.shift();
+
+		subPaths.push({
+			name: pathParts[index] + (isLast ? slashSuffix : '/'),
+			url: index === 0 ? '' : parents.join('/') + slashSuffix
+		});
+	}
+
+	const spec = {
+		files,
+		directory,
+		paths: subPaths
+	};
+
+	const output = acceptsJSON ? JSON.stringify(spec) : directoryTemplate(spec);
+
+	return {directory: output};
+};
+
+const sendError = async (absolutePath, response, acceptsJSON, current, handlers, config, spec) => {
+	const {err: original, message, code, statusCode} = spec;
+
+	/* istanbul ignore next */
+	if (original && process.env.NODE_ENV !== 'test') {
+		console.error(original);
+	}
+
+	response.statusCode = statusCode;
+
+	if (acceptsJSON) {
+		response.setHeader('Content-Type', 'application/json; charset=utf-8');
+
+		response.end(JSON.stringify({
+			error: {
+				code,
+				message
+			}
+		}));
+
+		return;
+	}
+
+	let stats = null;
+
+	const errorPage = path.join(current, `${statusCode}.html`);
+
+	try {
+		stats = await handlers.lstat(errorPage);
+	} catch (err) {
+		if (err.code !== 'ENOENT') {
+			console.error(err);
+		}
+	}
+
+	if (stats) {
+		let stream = null;
+
+		try {
+			stream = await handlers.createReadStream(errorPage);
+
+			const headers = await getHeaders(handlers, config, current, errorPage, stats);
+
+			response.writeHead(statusCode, headers);
+			stream.pipe(response);
+
+			return;
+		} catch (err) {
+			console.error(err);
+		}
+	}
+
+	const headers = await getHeaders(handlers, config, current, absolutePath, null);
+	headers['Content-Type'] = 'text/html; charset=utf-8';
+
+	response.writeHead(statusCode, headers);
+	response.end(errorTemplate({statusCode, message}));
+};
+
+const internalError = async (...args) => {
+	const lastIndex = args.length - 1;
+	const err = args[lastIndex];
+
+	args[lastIndex] = {
+		statusCode: 500,
+		code: 'internal_server_error',
+		message: 'A server error has occurred',
+		err
+	};
+
+	return sendError(...args);
+};
+
+const getHandlers = methods => Object.assign({
+	lstat: promisify(lstat),
+	realpath: promisify(realpath),
+	createReadStream,
+	readdir: promisify(readdir),
+	sendError
+}, methods);
+
+module.exports = async (request, response, config = {}, methods = {}) => {
+	const cwd = process.cwd();
+	const current = config.public ? path.resolve(cwd, config.public) : cwd;
+	const handlers = getHandlers(methods);
+
+	let relativePath = null;
+	let acceptsJSON = null;
+
+	if (request.headers.accept) {
+		acceptsJSON = request.headers.accept.includes('application/json');
+	}
+
+	try {
+		relativePath = decodeURIComponent(url.parse(request.url).pathname);
+	} catch (err) {
+		return sendError('/', response, acceptsJSON, current, handlers, config, {
+			statusCode: 400,
+			code: 'bad_request',
+			message: 'Bad Request'
+		});
+	}
+
+	let absolutePath = path.join(current, relativePath);
+
+	// Prevent path traversal vulnerabilities. We could do this
+	// by ourselves, but using the package covers all the edge cases.
+	if (!isPathInside(absolutePath, current)) {
+		return sendError(absolutePath, response, acceptsJSON, current, handlers, config, {
+			statusCode: 400,
+			code: 'bad_request',
+			message: 'Bad Request'
+		});
+	}
+
+	const cleanUrl = applicable(relativePath, config.cleanUrls);
+	const redirect = shouldRedirect(relativePath, config, cleanUrl);
+
+	if (redirect) {
+		response.writeHead(redirect.statusCode, {
+			Location: encodeURI(redirect.target)
+		});
+
+		response.end();
+		return;
+	}
+
+	let stats = null;
+
+	// It's extremely important that we're doing multiple stat calls. This one
+	// right here could technically be removed, but then the program
+	// would be slower. Because for directories, we always want to see if a related file
+	// exists and then (after that), fetch the directory itself if no
+	// related file was found. However (for files, of which most have extensions), we should
+	// always stat right away.
+	//
+	// When simulating a file system without directory indexes, calculating whether a
+	// directory exists requires loading all the file paths and then checking if
+	// one of them includes the path of the directory. As that's a very
+	// performance-expensive thing to do, we need to ensure it's not happening if not really necessary.
+
+	if (path.extname(relativePath) !== '') {
+		try {
+			stats = await handlers.lstat(absolutePath);
+		} catch (err) {
+			if (err.code !== 'ENOENT' && err.code !== 'ENOTDIR') {
+				return internalError(absolutePath, response, acceptsJSON, current, handlers, config, err);
+			}
+		}
+	}
+
+	const rewrittenPath = applyRewrites(relativePath, config.rewrites);
+
+	if (!stats && (cleanUrl || rewrittenPath)) {
+		try {
+			const related = await findRelated(current, relativePath, rewrittenPath, handlers.lstat);
+
+			if (related) {
+				({stats, absolutePath} = related);
+			}
+		} catch (err) {
+			if (err.code !== 'ENOENT' && err.code !== 'ENOTDIR') {
+				return internalError(absolutePath, response, acceptsJSON, current, handlers, config, err);
+			}
+		}
+	}
+
+	if (!stats) {
+		try {
+			stats = await handlers.lstat(absolutePath);
+		} catch (err) {
+			if (err.code !== 'ENOENT' && err.code !== 'ENOTDIR') {
+				return internalError(absolutePath, response, acceptsJSON, current, handlers, config, err);
+			}
+		}
+	}
+
+	if (stats && stats.isDirectory()) {
+		let directory = null;
+		let singleFile = null;
+
+		try {
+			const related = await renderDirectory(current, acceptsJSON, handlers, methods, config, {
+				relativePath,
+				absolutePath
+			});
+
+			if (related.singleFile) {
+				({stats, absolutePath, singleFile} = related);
+			} else {
+				({directory} = related);
+			}
+		} catch (err) {
+			if (err.code !== 'ENOENT') {
+				return internalError(absolutePath, response, acceptsJSON, current, handlers, config, err);
+			}
+		}
+
+		if (directory) {
+			const contentType = acceptsJSON ? 'application/json; charset=utf-8' : 'text/html; charset=utf-8';
+
+			response.statusCode = 200;
+			response.setHeader('Content-Type', contentType);
+			response.end(directory);
+
+			return;
+		}
+
+		if (!singleFile) {
+			// The directory listing is disabled, so we want to
+			// render a 404 error.
+			stats = null;
+		}
+	}
+
+	const isSymLink = stats && stats.isSymbolicLink();
+
+	// There are two scenarios in which we want to reply with
+	// a 404 error: Either the path does not exist, or it is a
+	// symlink while the `symlinks` option is disabled (which it is by default).
+	if (!stats || (!config.symlinks && isSymLink)) {
+		// allow for custom 404 handling
+		return handlers.sendError(absolutePath, response, acceptsJSON, current, handlers, config, {
+			statusCode: 404,
+			code: 'not_found',
+			message: 'The requested path could not be found'
+		});
+	}
+
+	// If we figured out that the target is a symlink, we need to
+	// resolve the symlink and run a new `stat` call just for the
+	// target of that symlink.
+	if (isSymLink) {
+		absolutePath = await handlers.realpath(absolutePath);
+		stats = await handlers.lstat(absolutePath);
+	}
+
+	const streamOpts = {};
+
+	// TODO ? if-range
+	if (request.headers.range && stats.size) {
+		const range = parseRange(stats.size, request.headers.range);
+
+		if (typeof range === 'object' && range.type === 'bytes') {
+			const {start, end} = range[0];
+
+			streamOpts.start = start;
+			streamOpts.end = end;
+
+			response.statusCode = 206;
+		} else {
+			response.statusCode = 416;
+			response.setHeader('Content-Range', `bytes */${stats.size}`);
+		}
+	}
+
+	// TODO ? multiple ranges
+
+	let stream = null;
+
+	try {
+		stream = await handlers.createReadStream(absolutePath, streamOpts);
+	} catch (err) {
+		return internalError(absolutePath, response, acceptsJSON, current, handlers, config, err);
+	}
+
+	const headers = await getHeaders(handlers, config, current, absolutePath, stats);
+
+	// eslint-disable-next-line no-undefined
+	if (streamOpts.start !== undefined && streamOpts.end !== undefined) {
+		headers['Content-Range'] = `bytes ${streamOpts.start}-${streamOpts.end}/${stats.size}`;
+		headers['Content-Length'] = streamOpts.end - streamOpts.start + 1;
+	}
+
+	// We need to check for `headers.ETag` being truthy first, otherwise it will
+	// match `undefined` being equal to `undefined`, which is true.
+	//
+	// Checking for `undefined` and `null` is also important, because `Range` can be `0`.
+	//
+	// eslint-disable-next-line no-eq-null
+	if (request.headers.range == null && headers.ETag && headers.ETag === request.headers['if-none-match']) {
+		response.statusCode = 304;
+		response.end();
+
+		return;
+	}
+
+	response.writeHead(response.statusCode || 200, headers);
+	stream.pipe(response);
+};