ncc Webpack build redux (#7628)

* Reimplement ncc webpack build

This reverts commit 6feca310.

* Shared webpack build

* ncc workaround pending @zeit/ncc#437

* update ncc

* build tweaks, fixup autodll-import

* possible Node 8 fix

* second possible Node 8 fix

* and update taskfile

packages/next/build/bundles/autodll-webpack-plugin.js

+const path = require('path')
+
+module.exports = distDir => {
+  const autodllCachePath = path.resolve(
+    path.join(distDir, 'cache', 'autodll-webpack-plugin')
+  )
+
+  const autoDllWebpackPluginPaths = require('autodll-webpack-plugin/lib/paths')
+  autoDllWebpackPluginPaths.cacheDir = autodllCachePath
+  autoDllWebpackPluginPaths.getManifestPath = hash => bundleName =>
+    path.resolve(autodllCachePath, hash, `${bundleName}.manifest.json`)
+
+  return require('autodll-webpack-plugin')
+}

packages/next/build/bundles/bundled-webpack.js

+exports.webpack = require('webpack')
+exports.webpackGraphHelpers = require('webpack/lib/GraphHelpers')
+exports.webpackDynamicEntryPlugin = require('webpack/lib/DynamicEntryPlugin')
+exports.webpackNodeOutputFileSystem = require('webpack/lib/node/NodeOutputFileSystem')

packages/next/build/bundles/webpack-DynamicEntryPlugin.js

+module.exports = require('./webpack/').webpackDynamicEntryPlugin

packages/next/build/bundles/webpack-GraphHelpers.js

+module.exports = require('./webpack/').webpackGraphHelpers

packages/next/build/bundles/webpack-NodeOutputFileSystem.js

+module.exports = require('./webpack/').webpackNodeOutputFileSystem

packages/next/build/bundles/webpack.js

+module.exports = require('./webpack/').webpack

packages/next/build/compiler.ts

-import webpack, { Stats } from 'webpack'
+import webpack, { Stats } from 'next/dist/compiled/webpack.js'
 
 export type CompilerResult = {
   errors: Error[]

packages/next/build/webpack-config.ts

@@ -9,7 +9,7 @@ import {
 import resolve from 'next/dist/compiled/resolve/index.js'
 import path from 'path'
 import { promisify } from 'util'
-import webpack from 'webpack'
+import webpack from 'next/dist/compiled/webpack.js'
 
 import {
   DOT_NEXT_ALIAS,
@@ -22,7 +22,6 @@ import { AllModulesIdentifiedPlugin } from './webpack/plugins/all-modules-identi
 import BuildManifestPlugin from './webpack/plugins/build-manifest-plugin'
 import { ChunkGraphPlugin } from './webpack/plugins/chunk-graph-plugin'
 import ChunkNamesPlugin from './webpack/plugins/chunk-names-plugin'
-import { importAutoDllPlugin } from './webpack/plugins/dll-import'
 import { HashedChunkIdsPlugin } from './webpack/plugins/hashed-chunk-ids-plugin'
 import { DropClientPage } from './webpack/plugins/next-drop-client-page-plugin'
 import NextJsSsrImportPlugin from './webpack/plugins/nextjs-ssr-import'
@@ -482,7 +481,9 @@ export default async function getBaseWebpackConfig(
             ]
 
             if (!isServer) {
-              const AutoDllPlugin = importAutoDllPlugin({ distDir })
+              const AutoDllPlugin = require('next/dist/compiled/autodll-webpack-plugin')(
+                distDir
+              )
               devPlugins.push(
                 new AutoDllPlugin({
                   filename: '[name]_[hash].js',

packages/next/build/webpack/loaders/next-client-pages-loader.ts

-import { loader } from 'webpack'
+import { loader } from 'next/dist/compiled/webpack.js'
 import loaderUtils from 'loader-utils'
 
 export type ClientPagesLoaderOptions = {

packages/next/build/webpack/loaders/next-data-loader.ts

-import { loader } from 'webpack'
+import { loader } from 'next/dist/compiled/webpack.js'
 import hash from 'string-hash'
 import { basename } from 'path'
 const nextDataLoader: loader.Loader = function(source) {

packages/next/build/webpack/loaders/next-minify-loader.ts

 import loaderUtils from 'loader-utils'
-import { loader } from 'webpack'
+import { loader } from 'next/dist/compiled/webpack.js'
 import minify from '../plugins/terser-webpack-plugin/src/minify'
 
 const nextMiniferLoader: loader.Loader = function(source) {

packages/next/build/webpack/loaders/next-serverless-loader.ts

-import { loader } from 'webpack'
+import { loader } from 'next/dist/compiled/webpack.js'
 import { join } from 'path'
 import { parse } from 'querystring'
 import { BUILD_MANIFEST, REACT_LOADABLE_MANIFEST } from 'next-server/constants'

packages/next/build/webpack/loaders/noop-loader.ts

-import { loader } from 'webpack'
+import { loader } from 'next/dist/compiled/webpack.js'
 
 const NoopLoader: loader.Loader = source => source
 export default NoopLoader

packages/next/build/webpack/plugins/all-modules-identified-plugin.ts

-import { Compiler, Plugin } from 'webpack'
+import { Compiler, Plugin } from 'next/dist/compiled/webpack.js'
 import { createHash } from 'crypto'
 import path from 'path'
 

packages/next/build/webpack/plugins/build-manifest-plugin.ts

-import { Compiler } from 'webpack'
+import { Compiler } from 'next/dist/compiled/webpack.js'
 import { RawSource } from 'webpack-sources'
 import {
   BUILD_MANIFEST,

packages/next/build/webpack/plugins/chunk-graph-plugin.ts

@@ -4,7 +4,7 @@ import { CLIENT_STATIC_FILES_RUNTIME_MAIN } from 'next-server/constants'
 import { EOL } from 'os'
 import path from 'path'
 import { parse } from 'querystring'
-import { Compiler, Plugin } from 'webpack'
+import { Compiler, Plugin } from 'next/dist/compiled/webpack.js'
 
 type StringDictionary = { [pageName: string]: string[] }
 const manifest: {

packages/next/build/webpack/plugins/chunk-names-plugin.ts

-import { Compiler } from 'webpack'
+import { Compiler } from 'next/dist/compiled/webpack.js'
 // This plugin mirrors webpack 3 `filename` and `chunkfilename` behavior
 // This fixes https://github.com/webpack/webpack/issues/6598
 // This plugin is based on https://github.com/researchgate/webpack/commit/2f28947fa0c63ccbb18f39c0098bd791a2c37090

packages/next/build/webpack/plugins/dll-import.ts

-import path from 'path'
-
-export function importAutoDllPlugin({ distDir }: { distDir: string }) {
-  const autodllPaths = path.join(
-    path.dirname(require.resolve('autodll-webpack-plugin')),
-    'paths.js'
-  )
-  require(autodllPaths)
-
-  const autodllCachePath = path.resolve(
-    path.join(distDir, 'cache', 'autodll-webpack-plugin')
-  )
-  require.cache[autodllPaths] = Object.assign({}, require.cache[autodllPaths], {
-    exports: Object.assign({}, require.cache[autodllPaths].exports, {
-      cacheDir: autodllCachePath,
-      getManifestPath: (hash: string) => (bundleName: string) =>
-        path.resolve(autodllCachePath, hash, `${bundleName}.manifest.json`),
-    }),
-  })
-
-  const AutoDllPlugin = require('autodll-webpack-plugin')
-  return AutoDllPlugin
-}

packages/next/build/webpack/plugins/fork-ts-checker-watcher-hook.ts

 import ForkTsCheckerWebpackPlugin from 'fork-ts-checker-webpack-plugin'
 import { NormalizedMessage } from 'fork-ts-checker-webpack-plugin/lib/NormalizedMessage'
-import webpack from 'webpack'
+import webpack from 'next/dist/compiled/webpack.js'
 
 export function Apply(compiler: webpack.Compiler) {
-  const hooks = ForkTsCheckerWebpackPlugin.getCompilerHooks(compiler)
+  const hooks = ForkTsCheckerWebpackPlugin.getCompilerHooks(compiler as any)
 
   let additionalFiles: string[] = []
 

packages/next/build/webpack/plugins/hashed-chunk-ids-plugin.ts

-import { Compiler, Plugin } from 'webpack'
+import { Compiler, Plugin } from 'next/dist/compiled/webpack.js'
 import { createHash } from 'crypto'
 
 export class HashedChunkIdsPlugin implements Plugin {

packages/next/build/webpack/plugins/next-drop-client-page-plugin.ts

-import { Compiler, Plugin } from 'webpack'
+import { Compiler, Plugin } from 'next/dist/compiled/webpack.js'
 import { extname } from 'path'
 
 // Prevents outputting client pages when they are not needed

packages/next/build/webpack/plugins/nextjs-require-cache-hot-reloader.ts

-import { Compiler, Plugin } from 'webpack'
+import { Compiler, Plugin } from 'next/dist/compiled/webpack.js'
 import { realpathSync } from 'fs'
 
 function deleteCache(path: string) {

packages/next/build/webpack/plugins/nextjs-ssr-import.ts

 import { join, resolve, relative, dirname } from 'path'
-import { Compiler } from 'webpack'
+import { Compiler } from 'next/dist/compiled/webpack.js'
 
 // This plugin modifies the require-ensure code generated by Webpack
 // to work with Next.js SSR

packages/next/build/webpack/plugins/nextjs-ssr-module-cache.ts

-import webpack from 'webpack'
+import webpack from 'next/dist/compiled/webpack.js'
 import { RawSource } from 'webpack-sources'
 import { join, relative, dirname } from 'path'
 import { IS_BUNDLED_PAGE_REGEX } from 'next-server/constants'

packages/next/build/webpack/plugins/pages-manifest-plugin.ts

-import { Compiler, Plugin } from 'webpack'
+import { Compiler, Plugin } from 'next/dist/compiled/webpack.js'
 import { RawSource } from 'webpack-sources'
 import {
   PAGES_MANIFEST,

packages/next/build/webpack/plugins/react-loadable-plugin.ts

@@ -22,7 +22,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWAR
 // Modified to strip out unneeded results for Next's specific use case
 
 import url from 'url'
-import { Compiler, compilation } from 'webpack'
+import { Compiler, compilation } from 'next/dist/compiled/webpack.js'
 
 function buildManifest(
   compiler: Compiler,

packages/next/build/webpack/plugins/serverless-plugin.ts

-import { Compiler } from 'webpack'
-import { connectChunkAndModule } from 'webpack/lib/GraphHelpers'
+import { Compiler } from 'next/dist/compiled/webpack.js'
+import { connectChunkAndModule } from 'next/dist/compiled/webpack-GraphHelpers'
 
 /**
  * Makes sure there are no dynamic chunks when the target is serverless

packages/next/build/webpack/plugins/shared-runtime-plugin.ts

-import { Compiler, Plugin } from 'webpack'
+import { Compiler, Plugin } from 'next/dist/compiled/webpack.js'
 
 export class SharedRuntimePlugin implements Plugin {
   apply(compiler: Compiler) {

packages/next/build/webpack/plugins/terser-webpack-plugin/src/index.js

@@ -4,7 +4,7 @@
 import stringHash from 'string-hash'
 import { SourceMapConsumer } from 'source-map'
 import { SourceMapSource, RawSource } from 'webpack-sources'
-import { RequestShortener } from 'webpack'
+import { RequestShortener } from 'next/dist/compiled/webpack.js'
 import TaskRunner from './TaskRunner'
 
 const warningRegex = /\[.+:([0-9]+),([0-9]+)\]/

packages/next/build/webpack/plugins/unlink-removed-pages-plugin.ts

@@ -2,7 +2,7 @@ import { join } from 'path'
 import { promisify } from 'util'
 import fs from 'fs'
 import { IS_BUNDLED_PAGE_REGEX } from 'next-server/constants'
-import { Compiler } from 'webpack'
+import { Compiler } from 'next/dist/compiled/webpack.js'
 
 const unlink = promisify(fs.unlink)
 

packages/next/package.json

@@ -68,7 +68,6 @@
     "@babel/runtime-corejs2": "7.4.5",
     "amphtml-validator": "1.0.23",
     "async-sema": "3.0.0",
-    "autodll-webpack-plugin": "0.4.2",
     "babel-core": "7.0.0-bridge.0",
     "babel-loader": "8.0.6",
     "babel-plugin-react-require": "3.0.0",
@@ -82,6 +81,7 @@
     "loader-utils": "1.2.3",
     "mkdirp": "0.5.1",
     "next-server": "8.1.1-canary.54",
+    "node-libs-browser": "2.2.0",
     "prop-types": "15.7.2",
     "prop-types-exact": "1.2.0",
     "react-error-overlay": "5.1.6",
@@ -96,9 +96,6 @@
     "unfetch": "4.1.0",
     "url": "0.11.0",
     "watchpack": "2.0.0-beta.4",
-    "webpack": "4.32.2",
-    "webpack-dev-middleware": "3.7.0",
-    "webpack-hot-middleware": "2.25.0",
     "webpack-sources": "1.3.0",
     "worker-farm": "1.7.0"
   },
@@ -129,15 +126,19 @@
     "@types/styled-jsx": "2.2.8",
     "@types/text-table": "0.2.1",
     "@types/webpack-sources": "0.1.5",
-    "@zeit/ncc": "0.18.5",
+    "@zeit/ncc": "0.20.1",
     "arg": "4.1.0",
+    "autodll-webpack-plugin": "0.4.2",
     "babel-plugin-dynamic-import-node": "2.2.0",
     "nanoid": "2.0.3",
     "resolve": "1.11.0",
     "taskr": "1.1.0",
     "text-table": "0.2.0",
     "typescript": "3.5.1",
-    "unistore": "3.4.1"
+    "unistore": "3.4.1",
+    "webpack": "4.32.2",
+    "webpack-dev-middleware": "3.7.0",
+    "webpack-hot-middleware": "2.25.0"
   },
   "engines": {
     "node": ">= 8.0.0"

packages/next/server/hot-reloader.js

 import { relative as relativePath, join, normalize, sep } from 'path'
-import WebpackDevMiddleware from 'webpack-dev-middleware'
-import WebpackHotMiddleware from 'webpack-hot-middleware'
+import WebpackDevMiddleware from 'next/dist/compiled/webpack-dev-middleware'
+import WebpackHotMiddleware from 'next/dist/compiled/webpack-hot-middleware'
 import errorOverlayMiddleware from './lib/error-overlay-middleware'
 import onDemandEntryHandler, { normalizePage } from './on-demand-entry-handler'
-import webpack from 'webpack'
+import webpack from 'next/dist/compiled/webpack.js'
 import getBaseWebpackConfig from '../build/webpack-config'
 import {
   IS_BUNDLED_PAGE_REGEX,

packages/next/server/on-demand-entry-handler.js

-import DynamicEntryPlugin from 'webpack/lib/DynamicEntryPlugin'
+import DynamicEntryPlugin from 'next/dist/compiled/webpack-DynamicEntryPlugin'
 import { EventEmitter } from 'events'
 import { join, posix } from 'path'
 import { parse } from 'url'

packages/next/taskfile-ncc.js

@@ -7,8 +7,7 @@ const { basename, dirname, extname, join, relative } = require('path')
 module.exports = function (task) {
   task.plugin('ncc', {}, function * (file, options) {
     return ncc(join(__dirname, file.dir, file.base), {
-      // cannot bundle
-      externals: ['chokidar'],
+      filename: file.base,
       ...options
     }).then(({ code, assets }) => {
       Object.keys(assets).forEach(key =>
@@ -20,7 +19,7 @@ module.exports = function (task) {
       )
 
       if (options && options.packageName) {
-        writePackageManifest.call(this, options.packageName)
+        writePackageManifest.call(this, options.packageName, file.base)
       }
 
       file.data = Buffer.from(code, 'utf8')
@@ -31,12 +30,9 @@ module.exports = function (task) {
 // This function writes a minimal `package.json` file for a compiled package.
 // It defines `name`, `main`, `author`, and `license`. It also defines `types`.
 // n.b. types intended for development usage only.
-function writePackageManifest (packageName) {
+function writePackageManifest (packageName, main) {
   const packagePath = require.resolve(packageName + '/package.json')
-  let { name, main, author, license, types, typings } = require(packagePath)
-  if (!main) {
-    main = 'index.js'
-  }
+  let { name, author, license, types, typings } = require(packagePath)
 
   let typesFile = types || typings
   if (typesFile) {

packages/next/taskfile.js

@@ -61,11 +61,18 @@ export async function ncc_arg (task, opts) {
 }
 
 // eslint-disable-next-line camelcase
-export async function ncc_resolve (task, opts) {
+export async function ncc_autodll_webpack_plugin (task, opts) {
   await task
-    .source(opts.src || relative(__dirname, require.resolve('resolve')))
-    .ncc({ packageName: 'resolve' })
-    .target('dist/compiled/resolve')
+    .source(opts.src || 'build/bundles/autodll-webpack-plugin.js')
+    .ncc({
+      packageName: 'autodll-webpack-plugin',
+      externals: {
+        webpack: '../webpack.js'
+      }
+    })
+    .target('dist/compiled/autodll-webpack-plugin')
+
+  notify('Compiled autodll-webpack-plugin')
 }
 
 // eslint-disable-next-line camelcase
@@ -77,11 +84,11 @@ export async function ncc_nanoid (task, opts) {
 }
 
 // eslint-disable-next-line camelcase
-export async function ncc_unistore (task, opts) {
+export async function ncc_resolve (task, opts) {
   await task
-    .source(opts.src || relative(__dirname, require.resolve('unistore')))
-    .ncc({ packageName: 'unistore' })
-    .target('dist/compiled/unistore')
+    .source(opts.src || relative(__dirname, require.resolve('resolve')))
+    .ncc({ packageName: 'resolve' })
+    .target('dist/compiled/resolve')
 }
 
 // eslint-disable-next-line camelcase
@@ -92,13 +99,83 @@ export async function ncc_text_table (task, opts) {
     .target('dist/compiled/text-table')
 }
 
+// eslint-disable-next-line camelcase
+export async function ncc_unistore (task, opts) {
+  await task
+    .source(opts.src || relative(__dirname, require.resolve('unistore')))
+    .ncc({ packageName: 'unistore' })
+    .target('dist/compiled/unistore')
+}
+
+// eslint-disable-next-line camelcase
+export async function ncc_webpack (task, opts) {
+  await task
+    .source(opts.src || 'build/bundles/webpack*.js')
+    .target('dist/compiled/')
+
+  notify('Compiled webpack')
+}
+
+// eslint-disable-next-line camelcase
+export async function ncc_webpack_Bundle (task, opts) {
+  await task
+    .source(opts.src || 'build/bundles/bundled-webpack.js')
+    .ncc({
+      packageName: 'webpack',
+      externals: {
+        'node-libs-browser': 'node-libs-browser',
+        chokidar: 'chokidar'
+      }
+    })
+    .target('dist/compiled/webpack')
+
+  notify('Compiled webpack Bundle')
+}
+
+// eslint-disable-next-line camelcase
+export async function ncc_webpack_hot_middleware (task, opts) {
+  await task
+    .source(
+      opts.src || relative(__dirname, require.resolve('webpack-hot-middleware'))
+    )
+    .ncc({
+      packageName: 'webpack-hot-middleware'
+    })
+    .target('dist/compiled/webpack-hot-middleware')
+
+  notify('Compiled webpack-hot-middleware')
+}
+
+// eslint-disable-next-line camelcase
+export async function ncc_webpack_dev_middleware (task, opts) {
+  await task
+    .source(
+      opts.src || relative(__dirname, require.resolve('webpack-dev-middleware'))
+    )
+    .ncc({
+      externals: {
+        'webpack/lib/node/NodeOutputFileSystem':
+          '../webpack-NodeOutputFileSystem'
+      },
+      packageName: 'webpack-dev-middleware'
+    })
+    .target('dist/compiled/webpack-dev-middleware')
+
+  notify('Compiled webpack-dev-middleware')
+}
+
 export async function precompile (task) {
   await task.parallel([
-    'ncc_unistore',
-    'ncc_resolve',
     'ncc_arg',
+    'ncc_autodll_webpack_plugin',
     'ncc_nanoid',
-    'ncc_text_table'
+    'ncc_resolve',
+    'ncc_text_table',
+    'ncc_unistore',
+    'ncc_webpack',
+    'ncc_webpack_Bundle',
+    'ncc_webpack_dev_middleware',
+    'ncc_webpack_hot_middleware'
   ])
 }
 

packages/next/types/loader-utils.d.ts

+// Type definitions for loader-utils 1.1
+// Project: https://github.com/webpack/loader-utils#readme
+// Definitions by: Gyusun Yeom <https://github.com/Perlmint>
+//                 Totooria Hyperion <https://github.com/TotooriaHyperion>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.3
+
+/// <reference types="node" />
+
+declare module 'loader-utils' {
+  import { loader } from 'next/dist/compiled/webpack.js'
+
+  export interface InterpolateOption {
+    context?: string
+    content?: string | Buffer
+    regExp?: string | RegExp
+  }
+  export interface OptionObject {
+    [key: string]: any
+  }
+  export type HashType = 'sha1' | 'md5' | 'sha256' | 'sha512'
+  export type DigestType =
+    | 'hex'
+    | 'base26'
+    | 'base32'
+    | 'base36'
+    | 'base49'
+    | 'base52'
+    | 'base58'
+    | 'base62'
+    | 'base64'
+
+  export function getOptions(loaderContext: loader.LoaderContext): OptionObject
+  export function parseQuery(optionString: string): OptionObject
+  export function stringifyRequest(
+    loaderContext: loader.LoaderContext,
+    resource: string
+  ): string
+  export function getRemainingRequest(
+    loaderContext: loader.LoaderContext
+  ): string
+  export function getCurrentRequest(loaderContext: loader.LoaderContext): string
+  export function isUrlRequest(url: string, root?: string): boolean
+  export function parseString(str: string): string
+  export function urlToRequest(url: string, root?: string): string
+  export function interpolateName(
+    loaderContext: loader.LoaderContext,
+    name: string,
+    options?: any
+  ): string
+  export function getHashDigest(
+    buffer: Buffer,
+    hashType: HashType,
+    digestType: DigestType,
+    maxLength: number
+  ): string
+}

packages/next/types/misc.d.ts

@@ -5,6 +5,25 @@ declare module 'webpack/lib/GraphHelpers'
 declare module 'unfetch'
 declare module 'styled-jsx/server'
 
+declare module 'node-libs-browser' {
+  const nodeLibs: any
+
+  export = nodeLibs
+}
+
+declare module 'next/dist/compiled/webpack.js' {
+  import webpack from 'webpack'
+  export = webpack
+}
+
+declare module 'next/dist/compiled/webpack-DynamicEntryPlugin' {
+  export const createDependency: any
+}
+
+declare module 'next/dist/compiled/webpack-GraphHelpers' {
+  export const connectChunkAndModule: any
+}
+
 declare module 'next/dist/compiled/nanoid/index.js' {
   function nanoid(size?: number): string
 
@@ -62,8 +81,8 @@ declare module 'next/dist/compiled/arg/index.js' {
   export = arg
 }
 
-declare module 'autodll-webpack-plugin' {
-  import webpack from 'webpack'
+declare module 'next/dist/compiled/autodll-webpack-plugin' {
+  import webpack from 'next/dist/compiled/webpack.js'
   class AutoDllPlugin implements webpack.Plugin {
     constructor(settings?: {
       inject?: boolean
@@ -80,7 +99,9 @@ declare module 'autodll-webpack-plugin' {
     [k: string]: any
   }
 
-  export = AutoDllPlugin
+  function setCacheDir(dist: string): void
+
+  export { AutoDllPlugin, setCacheDir }
 }
 
 declare module NodeJS {

yarn.lock

@@ -2182,10 +2182,10 @@
   resolved "https://registry.yarnpkg.com/@xtuc/long/-/long-4.2.2.tgz#d291c6a4e97989b5c61d9acf396ae4fe133a718d"
   integrity sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ==
 
-"@zeit/ncc@0.18.5":
-  version "0.18.5"
-  resolved "https://registry.yarnpkg.com/@zeit/ncc/-/ncc-0.18.5.tgz#5687df6c32f1a2e2486aa110b3454ccebda4fb9c"
-  integrity sha512-F+SbvEAh8rchiRXqQbmD1UmbePY7dCOKTbvfFtbVbK2xMH/tyri5YKfNxXKK7eL9EWkkbqB3NTVQO6nokApeBA==
+"@zeit/ncc@0.20.1":
+  version "0.20.1"
+  resolved "https://registry.yarnpkg.com/@zeit/ncc/-/ncc-0.20.1.tgz#1e282f23a171b11f5b65d3281fad7b9195cbab66"
+  integrity sha512-sCSWftZlFR2VgbjdMq+/TPXU7fDJpsjxGcDU1Nh2b/Gemvna8Ncl77ck+6WeEhcx/Gwtv4AeR3xJ1upgk7MSnQ==
 
 "@zeit/next-css@1.0.2-canary.2":
   version "1.0.2-canary.2"
@@ -8846,7 +8846,7 @@ node-int64@^0.4.0:
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
   integrity sha1-h6kGXNs1XTGC2PlM4RGIuCXGijs=
 
-node-libs-browser@^2.0.0:
+node-libs-browser@2.2.0, node-libs-browser@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/node-libs-browser/-/node-libs-browser-2.2.0.tgz#c72f60d9d46de08a940dedbb25f3ffa2f9bbaa77"
   integrity sha512-5MQunG/oyOaBdttrL40dA7bUfPORLRWMUJLQtMg7nluxUvk5XwnLdL9twQHFAjRx/y7mIMkLKT9++qPbbk6BZA==