From e87e3dc715a968098dcdaccf9a8c551e5ca408d8 Mon Sep 17 00:00:00 2001
From: Constantine Peresypkin <pconstantine@gmail.com>
Date: Fri, 21 Feb 2020 15:36:02 +0200
Subject: [PATCH] add major features from webpack-dev-server

- compress
- proxy
- before
- after
- historyApiFallback (object format)
- serveIndex
- headers
---
 package.json |   8 +-
 src/index.js | 299 +++++++++++++++++++++++-------
 yarn.lock    | 507 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 746 insertions(+), 68 deletions(-)

diff --git a/package.json b/package.json
index 224ae4f..8ea1e27 100644
--- a/package.json
+++ b/package.json
@@ -33,8 +33,14 @@
     "dist"
   ],
   "dependencies": {
+    "compression": "^1.7.4",
+    "connect-history-api-fallback": "^1.6.0",
+    "express": "^4.17.1",
+    "http-proxy-middleware": "^1.0.0",
+    "killable": "^1.0.1",
     "mime": ">=2.0.3",
-    "opener": "1"
+    "opener": "1",
+    "serve-index": "^1.9.1"
   },
   "devDependencies": {
     "rollup": "1",
diff --git a/src/index.js b/src/index.js
index 016e365..6b79fd8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,4 +1,9 @@
-import { readFile } from 'fs'
+import Express from 'express'
+import killable from 'killable'
+import compress from 'compression'
+import serveIndex from 'serve-index'
+import historyApiFallback from 'connect-history-api-fallback'
+import { createProxyMiddleware } from 'http-proxy-middleware'
 import { createServer as createHttpsServer } from 'https'
 import { createServer } from 'http'
 import { resolve } from 'path'
@@ -7,6 +12,7 @@ import mime from 'mime'
 import opener from 'opener'
 
 let server
+let app
 
 /**
  * Serve your rolled up bundle like webpack-dev-server
@@ -17,61 +23,259 @@ function serve (options = { contentBase: '' }) {
     options = { contentBase: options }
   }
   options.contentBase = Array.isArray(options.contentBase) ? options.contentBase : [options.contentBase || '']
+  options.contentBasePublicPath = options.contentBasePublicPath || '/'
   options.port = options.port || 10001
   options.headers = options.headers || {}
   options.https = options.https || false
   options.openPage = options.openPage || ''
+  options.compress = !!options.compress
+  options.serveIndex = options.serveIndex || (options.serveIndex === undefined)
   mime.default_type = 'text/plain'
 
-  const requestListener = (request, response) => {
-    // Remove querystring
-    const urlPath = decodeURI(request.url.split('?')[0])
+  function setupProxy () {
+    /**
+     * Assume a proxy configuration specified as:
+     * proxy: {
+     *   'context': { options }
+     * }
+     * OR
+     * proxy: {
+     *   'context': 'target'
+     * }
+     */
+    if (!Array.isArray(options.proxy)) {
+      if (Object.prototype.hasOwnProperty.call(options.proxy, 'target')) {
+        options.proxy = [options.proxy]
+      } else {
+        options.proxy = Object.keys(options.proxy).map((context) => {
+          let proxyOptions
+          // For backwards compatibility reasons.
+          const correctedContext = context
+            .replace(/^\*$/, '**')
+            .replace(/\/\*$/, '')
 
-    Object.keys(options.headers).forEach((key) => {
-      response.setHeader(key, options.headers[key])
-    })
+          if (typeof options.proxy[context] === 'string') {
+            proxyOptions = {
+              context: correctedContext,
+              target: options.proxy[context]
+            }
+          } else {
+            proxyOptions = Object.assign({}, options.proxy[context])
+            proxyOptions.context = correctedContext
+          }
+
+          proxyOptions.logLevel = proxyOptions.logLevel || 'warn'
 
-    readFileFromContentBase(options.contentBase, urlPath, function (error, content, filePath) {
-      if (!error) {
-        return found(response, filePath, content)
+          return proxyOptions
+        })
       }
-      if (error.code !== 'ENOENT') {
-        response.writeHead(500)
-        response.end('500 Internal Server Error' +
-          '\n\n' + filePath +
-          '\n\n' + Object.values(error).join('\n') +
-          '\n\n(rollup-plugin-serve)', 'utf-8')
-        return
+    }
+
+    const getProxyMiddleware = (proxyConfig) => {
+      const context = proxyConfig.context || proxyConfig.path
+
+      // It is possible to use the `bypass` method without a `target`.
+      // However, the proxy middleware has no use in this case, and will fail to instantiate.
+      if (proxyConfig.target) {
+        return createProxyMiddleware(context, proxyConfig)
       }
-      if (options.historyApiFallback) {
-        const fallbackPath = typeof options.historyApiFallback === 'string' ? options.historyApiFallback : '/index.html'
-        readFileFromContentBase(options.contentBase, fallbackPath, function (error, content, filePath) {
-          if (error) {
-            notFound(response, filePath)
-          } else {
-            found(response, filePath, content)
+    }
+    /**
+     * Assume a proxy configuration specified as:
+     * proxy: [
+     *   {
+     *     context: ...,
+     *     ...options...
+     *   },
+     *   // or:
+     *   function() {
+     *     return {
+     *       context: ...,
+     *       ...options...
+     *     };
+     *   }
+     * ]
+     */
+    options.proxy.forEach((proxyConfigOrCallback) => {
+      let proxyMiddleware
+
+      let proxyConfig =
+        typeof proxyConfigOrCallback === 'function'
+          ? proxyConfigOrCallback()
+          : proxyConfigOrCallback
+
+      proxyMiddleware = getProxyMiddleware(proxyConfig)
+
+      function proxyHandle (req, res, next) {
+        if (typeof proxyConfigOrCallback === 'function') {
+          const newProxyConfig = proxyConfigOrCallback()
+
+          if (newProxyConfig !== proxyConfig) {
+            proxyConfig = newProxyConfig
+            proxyMiddleware = getProxyMiddleware(proxyConfig)
           }
-        })
-      } else {
-        notFound(response, filePath)
+        }
+
+        // - Check if we have a bypass function defined
+        // - In case the bypass function is defined we'll retrieve the
+        // bypassUrl from it otherwise bypassUrl would be null
+        const isByPassFuncDefined = typeof proxyConfig.bypass === 'function'
+        const bypassUrl = isByPassFuncDefined
+          ? proxyConfig.bypass(req, res, proxyConfig)
+          : null
+
+        if (typeof bypassUrl === 'boolean') {
+          // skip the proxy
+          req.url = null
+          next()
+        } else if (typeof bypassUrl === 'string') {
+          // byPass to that url
+          req.url = bypassUrl
+          next()
+        } else if (proxyMiddleware) {
+          return proxyMiddleware(req, res, next)
+        } else {
+          next()
+        }
       }
+
+      app.use(proxyHandle)
+      // Also forward error requests to the proxy so it can handle them.
+      // eslint-disable-next-line handle-callback-err
+      app.use((error, req, res, next) => proxyHandle(req, res, next))
     })
   }
 
   // release previous server instance if rollup is reloading configuration in watch mode
   if (server) {
-    server.close()
+    server.kill()
   } else {
     closeServerOnTermination()
   }
 
+  app = new Express()
+
+  // Implement webpack-dev-server features
+  const features = {
+    compress: () => {
+      if (options.compress) {
+        app.use(compress())
+      }
+    },
+    proxy: () => {
+      if (options.proxy) {
+        setupProxy()
+      }
+    },
+    historyApiFallback: () => {
+      if (options.historyApiFallback) {
+        const fallback =
+          typeof options.historyApiFallback === 'object'
+            ? options.historyApiFallback
+            : typeof options.historyApiFallback === 'string'
+              ? { index: options.historyApiFallback, disableDotRule: true } : null
+
+        app.use(historyApiFallback(fallback))
+      }
+    },
+    contentBaseFiles: () => {
+      if (Array.isArray(options.contentBase)) {
+        options.contentBase.forEach((item) => {
+          app.use(options.contentBasePublicPath, Express.static(item))
+        })
+      } else {
+        app.use(
+          options.contentBasePublicPath,
+          Express.static(options.contentBase, options.staticOptions)
+        )
+      }
+    },
+    contentBaseIndex: () => {
+      if (options.contentBase && options.serveIndex) {
+        const getHandler = item => function indexHandler (req, res, next) {
+          // serve-index doesn't fallthrough non-get/head request to next middleware
+          if (req.method !== 'GET' && req.method !== 'HEAD') {
+            return next()
+          }
+
+          serveIndex(item)(req, res, next)
+        }
+        if (Array.isArray(options.contentBase)) {
+          options.contentBase.forEach((item) => {
+            app.use(options.contentBasePublicPath, getHandler(item))
+          })
+        } else {
+          app.use(options.contentBasePublicPath, getHandler(options.contentBase))
+        }
+      }
+    },
+    before: () => {
+      if (typeof options.before === 'function') {
+        options.before(app)
+      }
+    },
+    after: () => {
+      if (typeof options.after === 'function') {
+        options.after(app)
+      }
+    },
+    headers: () => {
+      app.all('*', function headersHandler (req, res, next) {
+        if (options.headers) {
+          for (const name in options.headers) {
+            res.setHeader(name, options.headers[name])
+          }
+        }
+        next()
+      })
+    }
+  }
+
+  const runnableFeatures = []
+
+  if (options.compress) {
+    runnableFeatures.push('compress')
+  }
+
+  runnableFeatures.push('before', 'headers')
+
+  if (options.proxy) {
+    runnableFeatures.push('proxy')
+  }
+
+  if (options.contentBase !== false) {
+    runnableFeatures.push('contentBaseFiles')
+  }
+
+  if (options.historyApiFallback) {
+    runnableFeatures.push('historyApiFallback')
+
+    if (options.contentBase !== false) {
+      runnableFeatures.push('contentBaseFiles')
+    }
+  }
+
+  if (options.contentBase && options.serveIndex) {
+    runnableFeatures.push('contentBaseIndex')
+  }
+
+  if (options.after) {
+    runnableFeatures.push('after')
+  }
+
+  (options.features || runnableFeatures).forEach((feature) => {
+    features[feature]()
+  })
+
   // If HTTPS options are available, create an HTTPS server
   if (options.https) {
-    server = createHttpsServer(options.https, requestListener).listen(options.port, options.host)
+    server = createHttpsServer(options.https, app).listen(options.port, options.host)
   } else {
-    server = createServer(requestListener).listen(options.port, options.host)
+    server = createServer(app).listen(options.port, options.host)
   }
 
+  killable(server)
+
   let running = options.verbose === false
 
   return {
@@ -99,47 +303,16 @@ function serve (options = { contentBase: '' }) {
   }
 }
 
-function readFileFromContentBase (contentBase, urlPath, callback) {
-  let filePath = resolve(contentBase[0] || '.', '.' + urlPath)
-
-  // Load index.html in directories
-  if (urlPath.endsWith('/')) {
-    filePath = resolve(filePath, 'index.html')
-  }
-
-  readFile(filePath, (error, content) => {
-    if (error && contentBase.length > 1) {
-      // Try to read from next contentBase
-      readFileFromContentBase(contentBase.slice(1), urlPath, callback)
-    } else {
-      // We know enough
-      callback(error, content, filePath)
-    }
-  })
-}
-
-function notFound (response, filePath) {
-  response.writeHead(404)
-  response.end('404 Not Found' +
-    '\n\n' + filePath +
-    '\n\n(rollup-plugin-serve)', 'utf-8')
-}
-
-function found (response, filePath, content) {
-  response.writeHead(200, { 'Content-Type': mime.getType(filePath) })
-  response.end(content, 'utf-8')
-}
-
 function green (text) {
   return '\u001b[1m\u001b[32m' + text + '\u001b[39m\u001b[22m'
 }
 
-function closeServerOnTermination() {
+function closeServerOnTermination () {
   const terminationSignals = ['SIGINT', 'SIGTERM', 'SIGQUIT', 'SIGHUP']
   terminationSignals.forEach(signal => {
     process.on(signal, () => {
       if (server) {
-        server.close()
+        server.kill()
         process.exit()
       }
     })
diff --git a/yarn.lock b/yarn.lock
index ca27f9d..c919b81 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -23,11 +23,26 @@
   resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
   integrity sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==
 
+"@types/http-proxy@^1.17.3":
+  version "1.17.3"
+  resolved "https://registry.yarnpkg.com/@types/http-proxy/-/http-proxy-1.17.3.tgz#348e1b808ff9585423cb909e9992d89ccdbf4c14"
+  integrity sha512-wIPqXANye5BbORbuh74exbwNzj+UWCwWyeEFJzUQ7Fq3W2NSAy+7x7nX1fgbEypr2/TdKqpeuxLnXWgzN533/Q==
+  dependencies:
+    "@types/node" "*"
+
 "@types/node@*":
   version "12.12.7"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.7.tgz#01e4ea724d9e3bd50d90c11fd5980ba317d8fa11"
   integrity sha512-E6Zn0rffhgd130zbCbAr/JdXfXkoOUFAKNs/rF8qnafSJ8KYaA/j3oz7dcwal+lYjLA7xvdd5J4wdYpCTlP8+w==
 
+accepts@~1.3.4, accepts@~1.3.5, accepts@~1.3.7:
+  version "1.3.7"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
+  integrity sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==
+  dependencies:
+    mime-types "~2.1.24"
+    negotiator "0.6.2"
+
 acorn-jsx@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
@@ -106,6 +121,11 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
+array-flatten@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
+  integrity sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=
+
 array-includes@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/array-includes/-/array-includes-3.0.3.tgz#184b48f62d92d7452bb31b323165c7f8bd02266d"
@@ -124,6 +144,27 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
+batch@0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/batch/-/batch-0.6.1.tgz#dc34314f4e679318093fc760272525f94bf25c16"
+  integrity sha1-3DQxT05nkxgJP8dgJyUl+UvyXBY=
+
+body-parser@1.19.0:
+  version "1.19.0"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
+  integrity sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==
+  dependencies:
+    bytes "3.1.0"
+    content-type "~1.0.4"
+    debug "2.6.9"
+    depd "~1.1.2"
+    http-errors "1.7.2"
+    iconv-lite "0.4.24"
+    on-finished "~2.3.0"
+    qs "6.7.0"
+    raw-body "2.4.0"
+    type-is "~1.6.17"
+
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
@@ -132,6 +173,13 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
+braces@^3.0.1:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-3.0.2.tgz#3454e1a462ee8d599e236df336cd9ea4f8afe107"
+  integrity sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==
+  dependencies:
+    fill-range "^7.0.1"
+
 buble@^0.15.0:
   version "0.15.2"
   resolved "https://registry.yarnpkg.com/buble/-/buble-0.15.2.tgz#547fc47483f8e5e8176d82aa5ebccb183b02d613"
@@ -145,6 +193,16 @@ buble@^0.15.0:
     minimist "^1.2.0"
     os-homedir "^1.0.1"
 
+bytes@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
+  integrity sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=
+
+bytes@3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
+  integrity sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
+
 callsites@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-3.1.0.tgz#b3630abd8943432f54b3f0519238e33cd7df2f73"
@@ -199,16 +257,63 @@ color-name@1.1.3:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
   integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
 
+compressible@~2.0.16:
+  version "2.0.18"
+  resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.18.tgz#af53cca6b070d4c3c0750fbd77286a6d7cc46fba"
+  integrity sha512-AF3r7P5dWxL8MxyITRMlORQNaOA2IkAFaTr4k7BUumjPtRpGDTZpl0Pb1XCO6JeDCBdp126Cgs9sMxqSjgYyRg==
+  dependencies:
+    mime-db ">= 1.43.0 < 2"
+
+compression@^1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/compression/-/compression-1.7.4.tgz#95523eff170ca57c29a0ca41e6fe131f41e5bb8f"
+  integrity sha512-jaSIDzP9pZVS4ZfQ+TzvtiWhdpFhE2RDHz8QJkpX9SIpLq88VueF5jJw6t+6CUQcAoA6t+x89MLrWAqpfDE8iQ==
+  dependencies:
+    accepts "~1.3.5"
+    bytes "3.0.0"
+    compressible "~2.0.16"
+    debug "2.6.9"
+    on-headers "~1.0.2"
+    safe-buffer "5.1.2"
+    vary "~1.1.2"
+
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
   integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
 
+connect-history-api-fallback@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/connect-history-api-fallback/-/connect-history-api-fallback-1.6.0.tgz#8b32089359308d111115d81cad3fceab888f97bc"
+  integrity sha512-e54B99q/OUoH64zYYRf3HBP5z24G38h5D3qXu23JGRoigpX5Ss4r9ZnDk3g0Z8uQC2x2lPaJ+UlWBc1ZWBWdLg==
+
 contains-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/contains-path/-/contains-path-0.1.0.tgz#fe8cf184ff6670b6baef01a9d4861a5cbec4120a"
   integrity sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo=
 
+content-disposition@0.5.3:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.3.tgz#e130caf7e7279087c5616c2007d0485698984fbd"
+  integrity sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==
+  dependencies:
+    safe-buffer "5.1.2"
+
+content-type@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
+  integrity sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==
+
+cookie-signature@1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
+  integrity sha1-4wOogrNCzD7oylE6eZmXNNqzriw=
+
+cookie@0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.0.tgz#beb437e7022b3b6d49019d088665303ebe9c14ba"
+  integrity sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==
+
 cross-spawn@^6.0.5:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
@@ -225,13 +330,20 @@ debug-log@^1.0.0:
   resolved "https://registry.yarnpkg.com/debug-log/-/debug-log-1.0.1.tgz#2307632d4c04382b8df8a32f70b895046d52745f"
   integrity sha1-IwdjLUwEOCuN+KMvcLiVBG1SdF8=
 
-debug@^2.6.8, debug@^2.6.9:
+debug@2.6.9, debug@^2.6.8, debug@^2.6.9:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
   dependencies:
     ms "2.0.0"
 
+debug@^3.0.0:
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
+  integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
+  dependencies:
+    ms "^2.1.1"
+
 debug@^4.0.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
@@ -263,6 +375,16 @@ deglob@^4.0.0:
     run-parallel "^1.1.2"
     uniq "^1.0.1"
 
+depd@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+  integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
+
+destroy@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+  integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
+
 doctrine@1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-1.5.0.tgz#379dce730f6166f76cefa4e6707a159b02c5a6fa"
@@ -285,11 +407,21 @@ doctrine@^3.0.0:
   dependencies:
     esutils "^2.0.2"
 
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+  integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
+
 emoji-regex@^7.0.1:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
   integrity sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==
 
+encodeurl@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
+  integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
+
 error-ex@^1.2.0, error-ex@^1.3.1:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
@@ -322,6 +454,11 @@ es-to-primitive@^1.2.0:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
+escape-html@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+  integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
+
 escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
@@ -521,6 +658,52 @@ esutils@^2.0.2:
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
   integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
 
+etag@~1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+  integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
+
+eventemitter3@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.0.tgz#d65176163887ee59f386d64c82610b696a4a74eb"
+  integrity sha512-qerSRB0p+UDEssxTtm6EDKcE7W4OaoisfIMl4CngyEhjpYglocpNg6UEqCvemdGhosAsg4sO2dXJOdyBifPGCg==
+
+express@^4.17.1:
+  version "4.17.1"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.17.1.tgz#4491fc38605cf51f8629d39c2b5d026f98a4c134"
+  integrity sha512-mHJ9O79RqluphRrcw2X/GTh3k9tVv8YcoyY4Kkh4WDMUYKRZUq0h1o0w2rrrxBqM7VoeUVqgb27xlEMXTnYt4g==
+  dependencies:
+    accepts "~1.3.7"
+    array-flatten "1.1.1"
+    body-parser "1.19.0"
+    content-disposition "0.5.3"
+    content-type "~1.0.4"
+    cookie "0.4.0"
+    cookie-signature "1.0.6"
+    debug "2.6.9"
+    depd "~1.1.2"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    finalhandler "~1.1.2"
+    fresh "0.5.2"
+    merge-descriptors "1.0.1"
+    methods "~1.1.2"
+    on-finished "~2.3.0"
+    parseurl "~1.3.3"
+    path-to-regexp "0.1.7"
+    proxy-addr "~2.0.5"
+    qs "6.7.0"
+    range-parser "~1.2.1"
+    safe-buffer "5.1.2"
+    send "0.17.1"
+    serve-static "1.14.1"
+    setprototypeof "1.1.1"
+    statuses "~1.5.0"
+    type-is "~1.6.18"
+    utils-merge "1.0.1"
+    vary "~1.1.2"
+
 external-editor@^3.0.3:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-3.1.0.tgz#cb03f740befae03ea4d283caed2741a83f335495"
@@ -559,6 +742,26 @@ file-entry-cache@^5.0.1:
   dependencies:
     flat-cache "^2.0.1"
 
+fill-range@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-7.0.1.tgz#1919a6a7c75fe38b2c7c77e5198535da9acdda40"
+  integrity sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==
+  dependencies:
+    to-regex-range "^5.0.1"
+
+finalhandler@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.2.tgz#b7e7d000ffd11938d0fdb053506f6ebabe9f587d"
+  integrity sha512-aAWcW57uxVNrQZqFXjITpW3sIUQmHGG3qSb9mUah9MgMC4NeWhNOlNjXEYq3HjRAvL6arUviZGGJsBg6z0zsWA==
+  dependencies:
+    debug "2.6.9"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    on-finished "~2.3.0"
+    parseurl "~1.3.3"
+    statuses "~1.5.0"
+    unpipe "~1.0.0"
+
 find-root@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/find-root/-/find-root-1.1.0.tgz#abcfc8ba76f708c42a97b3d685b7e9450bfb9ce4"
@@ -592,6 +795,23 @@ flatted@^2.0.0:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-2.0.1.tgz#69e57caa8f0eacbc281d2e2cb458d46fdb449e08"
   integrity sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg==
 
+follow-redirects@^1.0.0:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.10.0.tgz#01f5263aee921c6a54fb91667f08f4155ce169eb"
+  integrity sha512-4eyLK6s6lH32nOvLLwlIOnr9zrL8Sm+OvW4pVTJNoXeGzYIkHVf+pADQi+OJ0E67hiuSLezPVPyBcIZO50TmmQ==
+  dependencies:
+    debug "^3.0.0"
+
+forwarded@~0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
+  integrity sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=
+
+fresh@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+  integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -670,7 +890,59 @@ hosted-git-info@^2.1.4:
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.5.tgz#759cfcf2c4d156ade59b0b2dfabddc42a6b9c70c"
   integrity sha512-kssjab8CvdXfcXMXVcvsXum4Hwdq9XGtRD3TteMEvEbq0LXyiNQr6AprqKqfeaDXze7SxWvRxdpwE6ku7ikLkg==
 
-iconv-lite@^0.4.24:
+http-errors@1.7.2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.7.2.tgz#4f5029cf13239f31036e5b2e55292bcfbcc85c8f"
+  integrity sha512-uUQBt3H/cSIVfch6i1EuPNy/YsRSOUBXTVfZ+yR7Zjez3qjBz6i9+i4zjNaoqcoFVI4lQJ5plg63TvGfRSDCRg==
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.3"
+    setprototypeof "1.1.1"
+    statuses ">= 1.5.0 < 2"
+    toidentifier "1.0.0"
+
+http-errors@~1.6.2:
+  version "1.6.3"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
+  integrity sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.3"
+    setprototypeof "1.1.0"
+    statuses ">= 1.4.0 < 2"
+
+http-errors@~1.7.2:
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.7.3.tgz#6c619e4f9c60308c38519498c14fbb10aacebb06"
+  integrity sha512-ZTTX0MWrsQ2ZAhA1cejAwDLycFsd7I7nVtnkT3Ol0aqodaKW+0CTZDQ1uBv5whptCnc8e8HeRRJxRs0kmm/Qfw==
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.4"
+    setprototypeof "1.1.1"
+    statuses ">= 1.5.0 < 2"
+    toidentifier "1.0.0"
+
+http-proxy-middleware@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/http-proxy-middleware/-/http-proxy-middleware-1.0.0.tgz#984bbbb38cda7ce4495889388afe8b0f39ccd5c8"
+  integrity sha512-1yM4gD7R/U9R5AwA6STkoj8JfjnMeZIUrd8e23Yc14A7xVVLUWlAikgvidklwq1UOroJ07sc6NWNULeOJMYOeQ==
+  dependencies:
+    "@types/http-proxy" "^1.17.3"
+    http-proxy "^1.18.0"
+    is-glob "^4.0.1"
+    lodash "^4.17.15"
+    micromatch "^4.0.2"
+
+http-proxy@^1.18.0:
+  version "1.18.0"
+  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.18.0.tgz#dbe55f63e75a347db7f3d99974f2692a314a6a3a"
+  integrity sha512-84I2iJM/n1d4Hdgc6y2+qY5mDaz2PUVjlg9znE9byl+q0uC3DeByqBGReQu5tpLK0TAqTIXScRUV+dg7+bUPpQ==
+  dependencies:
+    eventemitter3 "^4.0.0"
+    follow-redirects "^1.0.0"
+    requires-port "^1.0.0"
+
+iconv-lite@0.4.24, iconv-lite@^0.4.24:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
@@ -708,11 +980,16 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2:
+inherits@2, inherits@2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
 
+inherits@2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+
 inquirer@^6.4.1:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.5.2.tgz#ad50942375d036d327ff528c08bd5fab089928ca"
@@ -732,6 +1009,11 @@ inquirer@^6.4.1:
     strip-ansi "^5.1.0"
     through "^2.3.6"
 
+ipaddr.js@1.9.0:
+  version "1.9.0"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.0.tgz#37df74e430a0e47550fe54a2defe30d8acd95f65"
+  integrity sha512-M4Sjn6N/+O6/IXSJseKqHoFc+5FdGJ22sXqnjTpdZweHK64MzEPAyQZyEU3R/KRv2GLoa7nNtg/C2Ev6m7z+eA==
+
 is-arrayish@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
@@ -764,6 +1046,11 @@ is-glob@^4.0.0, is-glob@^4.0.1:
   dependencies:
     is-extglob "^2.1.1"
 
+is-number@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-7.0.0.tgz#7535345b896734d5f80c4d06c50955527a14f12b"
+  integrity sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==
+
 is-promise@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
@@ -829,6 +1116,11 @@ jsx-ast-utils@^2.1.0:
     array-includes "^3.0.3"
     object.assign "^4.1.0"
 
+killable@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/killable/-/killable-1.0.1.tgz#4c8ce441187a061c7474fb87ca08e2a638194892"
+  integrity sha512-LzqtLKlUwirEUyl/nicirVmNiPvYs7l5n8wOPP7fyJVpUPkvCnW/vuiXGpylGUlnPDnB7311rARzAt3Mhswpjg==
+
 levn@^0.3.0, levn@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
@@ -874,7 +1166,7 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
-lodash@^4.17.12, lodash@^4.17.14:
+lodash@^4.17.12, lodash@^4.17.14, lodash@^4.17.15:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
@@ -893,6 +1185,46 @@ magic-string@^0.14.0:
   dependencies:
     vlq "^0.2.1"
 
+media-typer@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+  integrity sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=
+
+merge-descriptors@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
+  integrity sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=
+
+methods@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
+  integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
+
+micromatch@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-4.0.2.tgz#4fcb0999bf9fbc2fcbdd212f6d629b9a56c39259"
+  integrity sha512-y7FpHSbMUMoyPbYUSzO6PaZ6FyRnQOpHuKwbo1G+Knck95XVU4QAiKdGEnj5wwoS7PlOgthX/09u5iFJ+aYf5Q==
+  dependencies:
+    braces "^3.0.1"
+    picomatch "^2.0.5"
+
+mime-db@1.43.0, "mime-db@>= 1.43.0 < 2":
+  version "1.43.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.43.0.tgz#0a12e0502650e473d735535050e7c8f4eb4fae58"
+  integrity sha512-+5dsGEEovYbT8UY9yD7eE4XTc4UwJ1jBYlgaQQF38ENsKR3wj/8q8RFZrF9WIZpB2V1ArTVFUva8sAul1NzRzQ==
+
+mime-types@~2.1.17, mime-types@~2.1.24:
+  version "2.1.26"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.26.tgz#9c921fc09b7e149a65dfdc0da4d20997200b0a06"
+  integrity sha512-01paPWYgLrkqAyrlDorC1uDwl2p3qZT7yl806vW7DvDoxwXi46jsjFbg+WdwotBIk6/MbEhO/dh5aZ5sNj/dWQ==
+  dependencies:
+    mime-db "1.43.0"
+
+mime@1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
+  integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
+
 mime@>=2.0.3:
   version "2.4.4"
   resolved "https://registry.yarnpkg.com/mime/-/mime-2.4.4.tgz#bd7b91135fc6b01cde3e9bae33d659b63d8857e5"
@@ -932,6 +1264,11 @@ ms@2.0.0:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
   integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
 
+ms@2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
+  integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
+
 ms@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
@@ -947,6 +1284,11 @@ natural-compare@^1.4.0:
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
   integrity sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=
 
+negotiator@0.6.2:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
+  integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
+
 nice-try@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
@@ -1017,6 +1359,18 @@ object.values@^1.1.0:
     function-bind "^1.1.1"
     has "^1.0.3"
 
+on-finished@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
+  dependencies:
+    ee-first "1.1.1"
+
+on-headers@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.2.tgz#772b0ae6aaa525c399e489adfad90c403eb3c28f"
+  integrity sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA==
+
 once@^1.3.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
@@ -1118,6 +1472,11 @@ parse-json@^4.0.0:
     error-ex "^1.3.1"
     json-parse-better-errors "^1.0.1"
 
+parseurl@~1.3.2, parseurl@~1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
+  integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==
+
 path-exists@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
@@ -1138,6 +1497,11 @@ path-parse@^1.0.6:
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
   integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
 
+path-to-regexp@0.1.7:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
+  integrity sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=
+
 path-type@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-2.0.0.tgz#f012ccb8415b7096fc2daa1054c3d72389594c73"
@@ -1145,6 +1509,11 @@ path-type@^2.0.0:
   dependencies:
     pify "^2.0.0"
 
+picomatch@^2.0.5:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.1.tgz#21bac888b6ed8601f831ce7816e335bc779f0a4a"
+  integrity sha512-ISBaA8xQNmwELC7eOjqFKMESB2VIqt4PPDD0nsS95b/9dZXvVKOlz9keMSnoGGKcOHXfTvDD6WMaRoSc9UuhRA==
+
 pify@^2.0.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -1198,11 +1567,39 @@ prop-types@^15.7.2:
     object-assign "^4.1.1"
     react-is "^16.8.1"
 
+proxy-addr@~2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.5.tgz#34cbd64a2d81f4b1fd21e76f9f06c8a45299ee34"
+  integrity sha512-t/7RxHXPH6cJtP0pRG6smSr9QJidhB+3kXu0KgXnbGYMgzEnUxRQ4/LDdfOwZEMyIh3/xHb8PX3t+lfL9z+YVQ==
+  dependencies:
+    forwarded "~0.1.2"
+    ipaddr.js "1.9.0"
+
 punycode@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
   integrity sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==
 
+qs@6.7.0:
+  version "6.7.0"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
+  integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
+
+range-parser@~1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
+  integrity sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==
+
+raw-body@2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.4.0.tgz#a1ce6fb9c9bc356ca52e89256ab59059e13d0332"
+  integrity sha512-4Oz8DUIwdvoa5qMJelxipzi/iJIi40O5cGV1wNYp5hvZP8ZN0T+jiNkL0QepXs+EsQ9XJ8ipEDoiH70ySUJP3Q==
+  dependencies:
+    bytes "3.1.0"
+    http-errors "1.7.2"
+    iconv-lite "0.4.24"
+    unpipe "1.0.0"
+
 react-is@^16.8.1:
   version "16.11.0"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.11.0.tgz#b85dfecd48ad1ce469ff558a882ca8e8313928fa"
@@ -1235,6 +1632,11 @@ regexpp@^3.0.0:
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-3.0.0.tgz#dd63982ee3300e67b41c1956f850aa680d9d330e"
   integrity sha512-Z+hNr7RAVWxznLPuA7DIh8UNX1j9CDrUQxskw9IrBE1Dxue2lyXT+shqEIeLUjrokxIP8CMy1WkjgG3rTsd5/g==
 
+requires-port@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
+  integrity sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8=
+
 resolve-from@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-4.0.0.tgz#4abcd852ad32dd7baabfe9b40e00a36db5f392e6"
@@ -1306,6 +1708,11 @@ rxjs@^6.4.0:
   dependencies:
     tslib "^1.9.0"
 
+safe-buffer@5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
 "safer-buffer@>= 2.1.2 < 3":
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
@@ -1321,6 +1728,58 @@ semver@^6.1.0, semver@^6.1.2:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
 
+send@0.17.1:
+  version "0.17.1"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.17.1.tgz#c1d8b059f7900f7466dd4938bdc44e11ddb376c8"
+  integrity sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==
+  dependencies:
+    debug "2.6.9"
+    depd "~1.1.2"
+    destroy "~1.0.4"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    fresh "0.5.2"
+    http-errors "~1.7.2"
+    mime "1.6.0"
+    ms "2.1.1"
+    on-finished "~2.3.0"
+    range-parser "~1.2.1"
+    statuses "~1.5.0"
+
+serve-index@^1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/serve-index/-/serve-index-1.9.1.tgz#d3768d69b1e7d82e5ce050fff5b453bea12a9239"
+  integrity sha1-03aNabHn2C5c4FD/9bRTvqEqkjk=
+  dependencies:
+    accepts "~1.3.4"
+    batch "0.6.1"
+    debug "2.6.9"
+    escape-html "~1.0.3"
+    http-errors "~1.6.2"
+    mime-types "~2.1.17"
+    parseurl "~1.3.2"
+
+serve-static@1.14.1:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.14.1.tgz#666e636dc4f010f7ef29970a88a674320898b2f9"
+  integrity sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==
+  dependencies:
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    parseurl "~1.3.3"
+    send "0.17.1"
+
+setprototypeof@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.0.tgz#d0bd85536887b6fe7c0d818cb962d9d91c54e656"
+  integrity sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==
+
+setprototypeof@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.1.tgz#7e95acb24aa92f5885e0abef5ba131330d4ae683"
+  integrity sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw==
+
 shebang-command@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
@@ -1403,6 +1862,11 @@ standard@14:
     eslint-plugin-standard "~4.0.0"
     standard-engine "^12.0.0"
 
+"statuses@>= 1.4.0 < 2", "statuses@>= 1.5.0 < 2", statuses@~1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
+  integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
+
 string-width@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
@@ -1506,6 +1970,18 @@ tmp@^0.0.33:
   dependencies:
     os-tmpdir "~1.0.2"
 
+to-regex-range@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-5.0.1.tgz#1648c44aae7c8d988a326018ed72f5b4dd0392e4"
+  integrity sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==
+  dependencies:
+    is-number "^7.0.0"
+
+toidentifier@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
+  integrity sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==
+
 tslib@^1.9.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
@@ -1523,11 +1999,24 @@ type-fest@^0.3.0:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.3.1.tgz#63d00d204e059474fe5e1b7c011112bbd1dc29e1"
   integrity sha512-cUGJnCdr4STbePCgqNFbpVNCepa+kAVohJs1sLhxzdH+gnEoOd8VhbYa7pD3zZYGiURWM2xzEII3fQcRizDkYQ==
 
+type-is@~1.6.17, type-is@~1.6.18:
+  version "1.6.18"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.18.tgz#4e552cd05df09467dcbc4ef739de89f2cf37c131"
+  integrity sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==
+  dependencies:
+    media-typer "0.3.0"
+    mime-types "~2.1.24"
+
 uniq@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/uniq/-/uniq-1.0.1.tgz#b31c5ae8254844a3a8281541ce2b04b865a734ff"
   integrity sha1-sxxa6CVIRKOoKBVBzisEuGWnNP8=
 
+unpipe@1.0.0, unpipe@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+  integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
+
 uri-js@^4.2.2:
   version "4.2.2"
   resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"
@@ -1535,6 +2024,11 @@ uri-js@^4.2.2:
   dependencies:
     punycode "^2.1.0"
 
+utils-merge@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
+  integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=
+
 v8-compile-cache@^2.0.3:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz#e14de37b31a6d194f5690d67efc4e7f6fc6ab30e"
@@ -1548,6 +2042,11 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "^3.0.0"
     spdx-expression-parse "^3.0.0"
 
+vary@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+  integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
+
 vlq@^0.2.1:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/vlq/-/vlq-0.2.3.tgz#8f3e4328cf63b1540c0d67e1b2778386f8975b26"