diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a80c1bbb467..d1a9351ad870 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Changelog
 
 ## Unreleased
+
+## 4.2.3
+
+- [core]: Several internal fixes regarding integration, exports and domain.
+
 ## 4.2.2
 
 - [core]: "De-deprecate" name of `Integration` interface.
diff --git a/packages/browser/.npmignore b/packages/browser/.npmignore
index e07f347f55a5..1ae08eedce13 100644
--- a/packages/browser/.npmignore
+++ b/packages/browser/.npmignore
@@ -1,3 +1,4 @@
 *
 !/dist/**/*
+!/src/**/*
 !/build/**/*
diff --git a/packages/browser/package.json b/packages/browser/package.json
index ca8ae6db5dcb..d56e91d8478c 100644
--- a/packages/browser/package.json
+++ b/packages/browser/package.json
@@ -42,7 +42,6 @@
     "rollup-plugin-license": "^0.6.0",
     "rollup-plugin-node-resolve": "^3.3.0",
     "rollup-plugin-npm": "^2.0.0",
-    "rollup-plugin-shim": "^1.0.0",
     "rollup-plugin-typescript2": "^0.13.0",
     "rollup-plugin-uglify": "^3.0.0",
     "sinon": "^5.0.3",
diff --git a/packages/browser/rollup.config.js b/packages/browser/rollup.config.js
index 6c51fecc40ea..3516947446f1 100644
--- a/packages/browser/rollup.config.js
+++ b/packages/browser/rollup.config.js
@@ -3,7 +3,6 @@ import uglify from 'rollup-plugin-uglify';
 import resolve from 'rollup-plugin-node-resolve';
 import typescript from 'rollup-plugin-typescript2';
 import license from 'rollup-plugin-license';
-import shim from 'rollup-plugin-shim';
 
 const commitHash = require('child_process')
   .execSync('git rev-parse --short HEAD', { encoding: 'utf-8' })
@@ -18,9 +17,6 @@ const bundleConfig = {
   },
   context: 'window',
   plugins: [
-    shim({
-      domain: `export default {}`,
-    }),
     typescript({
       tsconfig: 'tsconfig.build.json',
       tsconfigOverride: { compilerOptions: { declaration: false } },
diff --git a/packages/core/.npmignore b/packages/core/.npmignore
index aa36c10c6872..aa46b11360bf 100644
--- a/packages/core/.npmignore
+++ b/packages/core/.npmignore
@@ -1,2 +1,3 @@
 *
 !/dist/**/*
+!/src/**/*
diff --git a/packages/core/src/baseclient.ts b/packages/core/src/baseclient.ts
index 525553222df7..00fd899bd7f3 100644
--- a/packages/core/src/baseclient.ts
+++ b/packages/core/src/baseclient.ts
@@ -16,7 +16,7 @@ import { consoleSandbox, uuid4 } from '@sentry/utils/misc';
 import { truncate } from '@sentry/utils/string';
 import { BackendClass } from './basebackend';
 import { Dsn } from './dsn';
-import { IntegrationIndex, setupIntegrations } from './integrations';
+import { IntegrationIndex, setupIntegrations } from './integration';
 import { Backend, Client, Options } from './interfaces';
 
 /**
diff --git a/packages/core/src/integration.ts b/packages/core/src/integration.ts
new file mode 100644
index 000000000000..f981f74486c2
--- /dev/null
+++ b/packages/core/src/integration.ts
@@ -0,0 +1,98 @@
+import { Integration } from '@sentry/types';
+import { logger } from '@sentry/utils/logger';
+import { Options } from './interfaces';
+
+export const installedIntegrations: string[] = [];
+
+/** Map of integrations assigned to a client */
+export interface IntegrationIndex {
+  [key: string]: Integration;
+}
+
+/** Gets integration to install */
+export function getIntegrationsToSetup(options: Options): Integration[] {
+  const defaultIntegrations = (options.defaultIntegrations && [...options.defaultIntegrations]) || [];
+  const userIntegrations = options.integrations;
+  let integrations: Integration[] = [];
+  if (Array.isArray(userIntegrations)) {
+    const userIntegrationsNames = userIntegrations.map(i => i.name);
+    const pickedIntegrationsNames = [];
+
+    // Leave only unique default integrations, that were not overridden with provided user integrations
+    for (const defaultIntegration of defaultIntegrations) {
+      if (
+        userIntegrationsNames.indexOf(getIntegrationName(defaultIntegration)) === -1 &&
+        pickedIntegrationsNames.indexOf(getIntegrationName(defaultIntegration)) === -1
+      ) {
+        integrations.push(defaultIntegration);
+        pickedIntegrationsNames.push(getIntegrationName(defaultIntegration));
+      }
+    }
+
+    // Don't add same user integration twice
+    for (const userIntegration of userIntegrations) {
+      if (pickedIntegrationsNames.indexOf(getIntegrationName(userIntegration)) === -1) {
+        integrations.push(userIntegration);
+        pickedIntegrationsNames.push(getIntegrationName(userIntegration));
+      }
+    }
+  } else if (typeof userIntegrations === 'function') {
+    integrations = userIntegrations(defaultIntegrations);
+    integrations = Array.isArray(integrations) ? integrations : [integrations];
+  } else {
+    return [...defaultIntegrations];
+  }
+
+  return integrations;
+}
+
+/** Setup given integration */
+export function setupIntegration(integration: Integration, options: Options): void {
+  if (installedIntegrations.indexOf(getIntegrationName(integration)) !== -1) {
+    return;
+  }
+
+  try {
+    integration.setupOnce();
+  } catch (_Oo) {
+    /** @deprecated */
+    // TODO: Remove in v5
+    logger.warn(`Integration ${getIntegrationName(integration)}: The install method is deprecated. Use "setupOnce".`);
+
+    // tslint:disable:deprecation
+    if (integration.install) {
+      integration.install(options);
+    }
+    // tslint:enable:deprecation
+  }
+
+  installedIntegrations.push(getIntegrationName(integration));
+  logger.log(`Integration installed: ${getIntegrationName(integration)}`);
+}
+
+/**
+ * Given a list of integration instances this installs them all. When `withDefaults` is set to `true` then all default
+ * integrations are added unless they were already provided before.
+ * @param integrations array of integration instances
+ * @param withDefault should enable default integrations
+ */
+export function setupIntegrations<O extends Options>(options: O): IntegrationIndex {
+  const integrations: IntegrationIndex = {};
+  getIntegrationsToSetup(options).forEach(integration => {
+    integrations[getIntegrationName(integration)] = integration;
+    setupIntegration(integration, options);
+  });
+  return integrations;
+}
+
+/**
+ * Returns the integration static id.
+ * @param integration Integration to retrieve id
+ */
+function getIntegrationName(integration: Integration): string {
+  /**
+   * @depracted
+   */
+  // tslint:disable-next-line:no-unsafe-any
+  return (integration as any).constructor.id || integration.name;
+}
diff --git a/packages/core/src/integrations/index.ts b/packages/core/src/integrations/index.ts
index b0bcbd8b4a37..52a16507d399 100644
--- a/packages/core/src/integrations/index.ts
+++ b/packages/core/src/integrations/index.ts
@@ -1,8 +1,3 @@
-// tslint:disable:deprecation
-import { Integration } from '@sentry/types';
-import { logger } from '@sentry/utils/logger';
-import { Options } from '../interfaces';
-
 export { Dedupe } from './dedupe';
 export { FunctionToString } from './functiontostring';
 export { SDKInformation } from './sdkinformation';
@@ -10,96 +5,3 @@ export { InboundFilters } from './inboundfilters';
 
 export { Debug } from './pluggable/debug';
 export { RewriteFrames } from './pluggable/rewriteframes';
-
-export const installedIntegrations: string[] = [];
-
-/** Map of integrations assigned to a client */
-export interface IntegrationIndex {
-  [key: string]: Integration;
-}
-
-/** Gets integration to install */
-export function getIntegrationsToSetup(options: Options): Integration[] {
-  const defaultIntegrations = (options.defaultIntegrations && [...options.defaultIntegrations]) || [];
-  const userIntegrations = options.integrations;
-  let integrations: Integration[] = [];
-  if (Array.isArray(userIntegrations)) {
-    const userIntegrationsNames = userIntegrations.map(i => i.name);
-    const pickedIntegrationsNames = [];
-
-    // Leave only unique default integrations, that were not overridden with provided user integrations
-    for (const defaultIntegration of defaultIntegrations) {
-      if (
-        userIntegrationsNames.indexOf(getIntegrationName(defaultIntegration)) === -1 &&
-        pickedIntegrationsNames.indexOf(getIntegrationName(defaultIntegration)) === -1
-      ) {
-        integrations.push(defaultIntegration);
-        pickedIntegrationsNames.push(getIntegrationName(defaultIntegration));
-      }
-    }
-
-    // Don't add same user integration twice
-    for (const userIntegration of userIntegrations) {
-      if (pickedIntegrationsNames.indexOf(getIntegrationName(userIntegration)) === -1) {
-        integrations.push(userIntegration);
-        pickedIntegrationsNames.push(getIntegrationName(userIntegration));
-      }
-    }
-  } else if (typeof userIntegrations === 'function') {
-    integrations = userIntegrations(defaultIntegrations);
-    integrations = Array.isArray(integrations) ? integrations : [integrations];
-  } else {
-    return [...defaultIntegrations];
-  }
-
-  return integrations;
-}
-
-/** Setup given integration */
-export function setupIntegration(integration: Integration, options: Options): void {
-  if (installedIntegrations.indexOf(getIntegrationName(integration)) !== -1) {
-    return;
-  }
-
-  try {
-    integration.setupOnce();
-  } catch (_Oo) {
-    /** @deprecated */
-    // TODO: Remove in v5
-    logger.warn(`Integration ${getIntegrationName(integration)}: The install method is deprecated. Use "setupOnce".`);
-
-    if (integration.install) {
-      integration.install(options);
-    }
-  }
-
-  installedIntegrations.push(getIntegrationName(integration));
-  logger.log(`Integration installed: ${getIntegrationName(integration)}`);
-}
-
-/**
- * Given a list of integration instances this installs them all. When `withDefaults` is set to `true` then all default
- * integrations are added unless they were already provided before.
- * @param integrations array of integration instances
- * @param withDefault should enable default integrations
- */
-export function setupIntegrations<O extends Options>(options: O): IntegrationIndex {
-  const integrations: IntegrationIndex = {};
-  getIntegrationsToSetup(options).forEach(integration => {
-    integrations[getIntegrationName(integration)] = integration;
-    setupIntegration(integration, options);
-  });
-  return integrations;
-}
-
-/**
- * Returns the integration static id.
- * @param integration Integration to retrieve id
- */
-function getIntegrationName(integration: Integration): string {
-  /**
-   * @depracted
-   */
-  // tslint:disable-next-line:no-unsafe-any
-  return (integration as any).constructor.id || integration.name;
-}
diff --git a/packages/core/test/lib/integrations/index.test.ts b/packages/core/test/lib/integration.test.ts
similarity index 98%
rename from packages/core/test/lib/integrations/index.test.ts
rename to packages/core/test/lib/integration.test.ts
index 531e4cfe536f..619f64c0545e 100644
--- a/packages/core/test/lib/integrations/index.test.ts
+++ b/packages/core/test/lib/integration.test.ts
@@ -1,6 +1,6 @@
 // tslint:disable:deprecation
 import { Integration } from '@sentry/types';
-import { getIntegrationsToSetup } from '../../../src/integrations';
+import { getIntegrationsToSetup } from '../../src/integration';
 
 /** JSDoc */
 class MockIntegration implements Integration {
diff --git a/packages/core/test/lib/sdk.test.ts b/packages/core/test/lib/sdk.test.ts
index 795dc19b51ae..fae07277d8d8 100644
--- a/packages/core/test/lib/sdk.test.ts
+++ b/packages/core/test/lib/sdk.test.ts
@@ -1,5 +1,5 @@
 import { Integration } from '@sentry/types';
-import { installedIntegrations } from '../../src/integrations';
+import { installedIntegrations } from '../../src/integration';
 import { initAndBind } from '../../src/sdk';
 import { TestClient } from '../mocks/client';
 
diff --git a/packages/hub/.npmignore b/packages/hub/.npmignore
index aa36c10c6872..aa46b11360bf 100644
--- a/packages/hub/.npmignore
+++ b/packages/hub/.npmignore
@@ -1,2 +1,3 @@
 *
 !/dist/**/*
+!/src/**/*
diff --git a/packages/hub/src/hub.ts b/packages/hub/src/hub.ts
index 3067222e207e..8e221772a537 100644
--- a/packages/hub/src/hub.ts
+++ b/packages/hub/src/hub.ts
@@ -8,7 +8,7 @@ import {
   Severity,
 } from '@sentry/types';
 import { logger } from '@sentry/utils/logger';
-import { getGlobalObject, uuid4 } from '@sentry/utils/misc';
+import { bundlerSafeRequire, getGlobalObject, uuid4 } from '@sentry/utils/misc';
 import { Carrier, Layer } from './interfaces';
 import { Scope } from './scope';
 
@@ -334,7 +334,10 @@ export function getCurrentHub(): Hub {
 
   // Prefer domains over global if they are there
   try {
-    const domain = require('domain');
+    // We need to use `bundlerSafeRequire` because `require` on it's own will be optimized by webpack.
+    // We do not want this to happen, we need to try `require` the domain node module and fail if we are in browser
+    // for example so we do not have to shim it and use `getCurrentHub` universally.
+    const domain = bundlerSafeRequire('domain');
     const activeDomain = domain.active;
 
     // If there no active domain, just return global hub
diff --git a/packages/minimal/.npmignore b/packages/minimal/.npmignore
index aa36c10c6872..aa46b11360bf 100644
--- a/packages/minimal/.npmignore
+++ b/packages/minimal/.npmignore
@@ -1,2 +1,3 @@
 *
 !/dist/**/*
+!/src/**/*
diff --git a/packages/node/.npmignore b/packages/node/.npmignore
index aa36c10c6872..aa46b11360bf 100644
--- a/packages/node/.npmignore
+++ b/packages/node/.npmignore
@@ -1,2 +1,3 @@
 *
 !/dist/**/*
+!/src/**/*
diff --git a/packages/types/.npmignore b/packages/types/.npmignore
index aa36c10c6872..aa46b11360bf 100644
--- a/packages/types/.npmignore
+++ b/packages/types/.npmignore
@@ -1,2 +1,3 @@
 *
 !/dist/**/*
+!/src/**/*
diff --git a/packages/utils/.npmignore b/packages/utils/.npmignore
index c5d98186ca76..2fcd3d46100f 100644
--- a/packages/utils/.npmignore
+++ b/packages/utils/.npmignore
@@ -3,3 +3,4 @@
 !*.d.ts
 !*.js
 jest.config.js
+!/src/**/*
diff --git a/packages/utils/src/misc.ts b/packages/utils/src/misc.ts
index 35f2556b2835..2cb0e4515970 100644
--- a/packages/utils/src/misc.ts
+++ b/packages/utils/src/misc.ts
@@ -1,6 +1,18 @@
 import { SentryEvent, SentryWrappedFunction } from '@sentry/types';
 import { isString } from './is';
 
+/**
+ * Requires a module which is protected against bundler minification.
+ *
+ * @param request The module path to resolve
+ */
+export function bundlerSafeRequire(request: string): any {
+  // We need to do this check for global.module || module here because if we are calling this inside a
+  // active domain, global.module is undefined.
+  // tslint:disable-next-line
+  return ((getGlobalObject() as any).module || module).require(request);
+}
+
 /**
  * Checks whether we're in the Node.js or Browser environment
  *
diff --git a/yarn.lock b/yarn.lock
index 7642a9612a1d..37128b0f8e53 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1002,6 +1002,10 @@ array-find-index@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
 
+array-flatten@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
+
 array-ify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/array-ify/-/array-ify-1.0.0.tgz#9e528762b4a9066ad163a6962a364418e9626ece"
@@ -1744,7 +1748,7 @@ bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
 
-body-parser@^1.16.1:
+body-parser@1.18.3, body-parser@^1.16.1:
   version "1.18.3"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.3.tgz#5b292198ffdd553b3a0f20ded0592b956955c8b4"
   dependencies:
@@ -2487,6 +2491,10 @@ constants-browserify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/constants-browserify/-/constants-browserify-1.0.0.tgz#c20b96d8c617748aaf1c16021760cd27fcb8cb75"
 
+content-disposition@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
+
 content-type@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
@@ -2575,6 +2583,10 @@ convert-source-map@~1.1.0:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.1.3.tgz#4829c877e9fe49b3161f3bf3673888e204699860"
 
+cookie-signature@1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
+
 cookie@0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
@@ -3129,7 +3141,7 @@ elliptic@^6.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
-encodeurl@~1.0.1:
+encodeurl@~1.0.1, encodeurl@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
 
@@ -3284,7 +3296,7 @@ esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
 
-etag@~1.8.0:
+etag@~1.8.0, etag@~1.8.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
 
@@ -3440,6 +3452,41 @@ expect@^22.4.0:
     jest-message-util "^22.4.3"
     jest-regex-util "^22.4.3"
 
+express@^4.16.4:
+  version "4.16.4"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.16.4.tgz#fddef61926109e24c515ea97fd2f1bdbf62df12e"
+  dependencies:
+    accepts "~1.3.5"
+    array-flatten "1.1.1"
+    body-parser "1.18.3"
+    content-disposition "0.5.2"
+    content-type "~1.0.4"
+    cookie "0.3.1"
+    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 "1.1.1"
+    fresh "0.5.2"
+    merge-descriptors "1.0.1"
+    methods "~1.1.2"
+    on-finished "~2.3.0"
+    parseurl "~1.3.2"
+    path-to-regexp "0.1.7"
+    proxy-addr "~2.0.4"
+    qs "6.5.2"
+    range-parser "~1.2.0"
+    safe-buffer "5.1.2"
+    send "0.16.2"
+    serve-static "1.13.2"
+    setprototypeof "1.1.0"
+    statuses "~1.4.0"
+    type-is "~1.6.16"
+    utils-merge "1.0.1"
+    vary "~1.1.2"
+
 extend-shallow@^1.1.2:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-1.1.4.tgz#19d6bf94dfc09d76ba711f39b872d21ff4dd9071"
@@ -3587,6 +3634,18 @@ finalhandler@1.1.0:
     statuses "~1.3.1"
     unpipe "~1.0.0"
 
+finalhandler@1.1.1:
+  version "1.1.1"
+  resolved "http://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz#eebf4ed840079c83f4249038c9d703008301b105"
+  dependencies:
+    debug "2.6.9"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    on-finished "~2.3.0"
+    parseurl "~1.3.2"
+    statuses "~1.4.0"
+    unpipe "~1.0.0"
+
 find-index@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/find-index/-/find-index-0.1.1.tgz#675d358b2ca3892d795a1ab47232f8b6e2e0dde4"
@@ -3677,6 +3736,10 @@ form-data@~2.3.0, form-data@~2.3.1:
     combined-stream "1.0.6"
     mime-types "^2.1.12"
 
+forwarded@~0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
+
 fragment-cache@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
@@ -3687,6 +3750,10 @@ fresh@0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.0.tgz#f474ca5e6a9246d6fd8e0953cfa9b9c805afa78e"
 
+fresh@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+
 from2@^2.1.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/from2/-/from2-2.3.0.tgz#8bfb5502bde4a4d36cfdeea007fcca21d7e382af"
@@ -4304,7 +4371,7 @@ http-cache-semantics@^3.8.1:
   version "3.8.1"
   resolved "https://registry.yarnpkg.com/http-cache-semantics/-/http-cache-semantics-3.8.1.tgz#39b0e16add9b605bf0a9ef3d9daaf4843b4cacd2"
 
-http-errors@1.6.3, http-errors@~1.6.1, http-errors@~1.6.3:
+http-errors@1.6.3, http-errors@~1.6.1, http-errors@~1.6.2, http-errors@~1.6.3:
   version "1.6.3"
   resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
   dependencies:
@@ -4529,6 +4596,10 @@ ip@1.1.5, ip@^1.1.2, ip@^1.1.4, ip@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/ip/-/ip-1.1.5.tgz#bdded70114290828c0a039e72ef25f5aaec4354a"
 
+ipaddr.js@1.8.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.8.0.tgz#eaa33d6ddd7ace8f7f6fe0c9ca0440e706738b1e"
+
 is-accessor-descriptor@^0.1.6:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz#a9e12cb3ae8d876727eeef3843f8a0897b5c98d6"
@@ -6006,6 +6077,10 @@ meow@^4.0.0:
     redent "^2.0.0"
     trim-newlines "^2.0.0"
 
+merge-descriptors@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
+
 merge-stream@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/merge-stream/-/merge-stream-1.0.1.tgz#4041202d508a342ba00174008df0c251b8c135e1"
@@ -6024,6 +6099,10 @@ methmeth@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/methmeth/-/methmeth-1.1.0.tgz#e80a26618e52f5c4222861bb748510bd10e29089"
 
+methods@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
+
 micro-compress@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/micro-compress/-/micro-compress-1.0.0.tgz#53f5a80b4ad0320ca165a559b6e3df145d4f704f"
@@ -6124,6 +6203,10 @@ mime@1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.4.tgz#115f9e3b6b3daf2959983cb38f149a2d40eb5d53"
 
+mime@1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
+
 mime@^1.3.4:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
@@ -6999,6 +7082,10 @@ path-proxy@~1.0.0:
   dependencies:
     inflection "~1.3.0"
 
+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"
+
 path-to-regexp@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-1.7.0.tgz#59fde0f435badacba103a84e9d3bc64e96b9937d"
@@ -7185,6 +7272,13 @@ protoduck@^5.0.0:
   dependencies:
     genfun "^4.0.1"
 
+proxy-addr@~2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.4.tgz#ecfc733bf22ff8c6f407fa275327b9ab67e48b93"
+  dependencies:
+    forwarded "~0.1.2"
+    ipaddr.js "1.8.0"
+
 proxy-agent@~3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/proxy-agent/-/proxy-agent-3.0.0.tgz#f6768e202889b2285d39906d3a94768416f8f713"
@@ -7859,10 +7953,6 @@ rollup-plugin-npm@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/rollup-plugin-npm/-/rollup-plugin-npm-2.0.0.tgz#8a28ffdb5160bc8e1e371de39ed71faf009d655c"
 
-rollup-plugin-shim@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-shim/-/rollup-plugin-shim-1.0.0.tgz#b00f5cb44cdae81358c5342fe82fa71a1602b56b"
-
 rollup-plugin-typescript2@^0.13.0:
   version "0.13.0"
   resolved "https://registry.yarnpkg.com/rollup-plugin-typescript2/-/rollup-plugin-typescript2-0.13.0.tgz#5fc838657d05af82e04554832cadf06cdb32f657"
@@ -8003,6 +8093,33 @@ send@0.15.3:
     range-parser "~1.2.0"
     statuses "~1.3.1"
 
+send@0.16.2:
+  version "0.16.2"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.16.2.tgz#6ecca1e0f8c156d141597559848df64730a6bbc1"
+  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 "~1.6.2"
+    mime "1.4.1"
+    ms "2.0.0"
+    on-finished "~2.3.0"
+    range-parser "~1.2.0"
+    statuses "~1.4.0"
+
+serve-static@1.13.2:
+  version "1.13.2"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.13.2.tgz#095e8472fd5b46237db50ce486a43f4b86c6cec1"
+  dependencies:
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    parseurl "~1.3.2"
+    send "0.16.2"
+
 serve@^5.1.5:
   version "5.2.4"
   resolved "https://registry.yarnpkg.com/serve/-/serve-5.2.4.tgz#4742c05f65a2330f788cdde901cd7a09b23a99f6"
@@ -8418,6 +8535,10 @@ statuses@~1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
 
+statuses@~1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
+
 stealthy-require@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/stealthy-require/-/stealthy-require-1.1.1.tgz#35b09875b4ff49f26a777e509b3090a3226bf24b"