feat: Webpack loader inlining (#21127)

This picks up on the inlining work in https://github.com/vercel/next.js/pull/20598 to also include webpack loader inlining optimizations.

This includes:
* The dependencies of sass-loader
* resolve-url-loader

And for added benefit:
* babel-plugin-transform-define
* babel-plugin-transform-react-remove-prop-types

style-loader and css-loader didn't inline easily. Perhaps we can come back to these ones.

packages/next/build/babel/preset.ts

@@ -198,7 +198,7 @@ module.exports = (
       ],
       require('./plugins/amp-attributes'),
       isProduction && [
-        require('babel-plugin-transform-react-remove-prop-types'),
+        require('next/dist/compiled/babel/plugin-transform-react-remove-prop-types'),
         {
           removeImport: true,
         },

packages/next/build/webpack/config/blocks/css/loaders/getCssModuleLocalIdent.ts

-import loaderUtils from 'loader-utils'
+import loaderUtils from 'next/dist/compiled/loader-utils'
 import path from 'path'
 import { webpack } from 'next/dist/compiled/webpack/webpack'
 

packages/next/build/webpack/loaders/babel-loader/src/index.js

 // import babel from 'next/dist/compiled/babel/core'
-import loaderUtils from 'loader-utils'
+import loaderUtils from 'next/dist/compiled/loader-utils'
 import { tracer, traceAsyncFn, traceFn } from '../../../../tracer'
 import cache from './cache'
 import transform from './transform'

packages/next/build/webpack/loaders/emit-file-loader.js

-import loaderUtils from 'loader-utils'
+import loaderUtils from 'next/dist/compiled/loader-utils'
 
 module.exports = function (content, sourceMap) {
   this.cacheable()

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

 import chalk from 'chalk'
-import loaderUtils from 'loader-utils'
+import loaderUtils from 'next/dist/compiled/loader-utils'
 import path from 'path'
 import { webpack } from 'next/dist/compiled/webpack/webpack'
 

packages/next/build/webpack/loaders/next-babel-loader.js

@@ -155,7 +155,7 @@ const customBabelLoader = babelLoader((babel) => {
       }
 
       options.plugins.push([
-        require.resolve('babel-plugin-transform-define'),
+        require.resolve('next/dist/compiled/babel/plugin-transform-define'),
         {
           'process.env.NODE_ENV': development ? 'development' : 'production',
           'typeof window': isServer ? 'undefined' : 'object',

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

-import loaderUtils from 'loader-utils'
+import loaderUtils from 'next/dist/compiled/loader-utils'
 import { tracer, traceFn } from '../../tracer'
 
 export type ClientPagesLoaderOptions = {

packages/next/build/webpack/plugins/mini-css-extract-plugin/src/loader.js

 import NativeModule from 'module'
 
-import loaderUtils from 'loader-utils'
+import loaderUtils from 'next/dist/compiled/loader-utils'
 import {
   webpack,
   isWebpack5,

packages/next/bundles/babel/bundle.js

@@ -36,10 +36,18 @@ function pluginSyntaxJsx() {
   return require('@babel/plugin-syntax-jsx')
 }
 
+function pluginTransformDefine() {
+  return require('babel-plugin-transform-define')
+}
+
 function pluginTransformModulesCommonjs() {
   return require('@babel/plugin-transform-modules-commonjs')
 }
 
+function pluginTransformReactRemovePropTypes() {
+  return require('babel-plugin-transform-react-remove-prop-types')
+}
+
 function pluginTransformRuntime() {
   return require('@babel/plugin-transform-runtime')
 }
@@ -66,7 +74,9 @@ module.exports = {
   pluginSyntaxBigint,
   pluginSyntaxDynamicImport,
   pluginSyntaxJsx,
+  pluginTransformDefine,
   pluginTransformModulesCommonjs,
+  pluginTransformReactRemovePropTypes,
   pluginTransformRuntime,
   presetEnv,
   presetReact,

packages/next/bundles/babel/packages/plugin-transform-define.js

+module.exports = require('./bundle').pluginTransformDefine()

packages/next/bundles/babel/packages/plugin-transform-react-remove-prop-types.js

+module.exports = require('./bundle').pluginTransformReactRemovePropTypes()

packages/next/compiled/babel/plugin-transform-define.js

+module.exports = require('./bundle').pluginTransformDefine()

packages/next/compiled/babel/plugin-transform-react-remove-prop-types.js

+module.exports = require('./bundle').pluginTransformReactRemovePropTypes()

packages/next/compiled/cache-loader/cjs.js

-module.exports=(()=>{var e={819:e=>{"use strict";e.exports=JSON.parse('{"type":"object","properties":{"cacheContext":{"description":"The default cache context in order to generate the cache relatively to a path. By default it will use absolute paths.","type":"string"},"cacheKey":{"description":"Allows you to override default cache key generator.","instanceof":"Function"},"cacheIdentifier":{"description":"Provide a cache directory where cache items should be stored (used for default read/write implementation).","type":"string"},"cacheDirectory":{"description":"Provide an invalidation identifier which is used to generate the hashes. You can use it for extra dependencies of loaders (used for default read/write implementation).","type":"string"},"compare":{"description":"Allows you to override default comparison function between the cached dependency and the one is being read. Return true to use the cached resource.","instanceof":"Function"},"precision":{"description":"Round mtime by this number of milliseconds both for stats and deps before passing those params to the comparing function.","type":"number"},"read":{"description":"Allows you to override default read cache data from file.","instanceof":"Function"},"readOnly":{"description":"Allows you to override default value and make the cache read only (useful for some environments where you don\'t want the cache to be updated, only read from it).","type":"boolean"},"write":{"description":"Allows you to override default write cache data to file (e.g. Redis, memcached).","instanceof":"Function"}},"additionalProperties":false}')},612:e=>{"use strict";e.exports=JSON.parse('{"name":"cache-loader","version":"4.1.0","description":"Caches the result of following loaders on disk.","license":"MIT","repository":"webpack-contrib/cache-loader","author":"Tobias Koppers @sokra","homepage":"https://github.com/webpack-contrib/cache-loader","bugs":"https://github.com/webpack-contrib/cache-loader/issues","main":"dist/cjs.js","engines":{"node":">= 8.9.0"},"scripts":{"start":"npm run build -- -w","prebuild":"npm run clean","build":"cross-env NODE_ENV=production babel src -d dist --ignore \\"src/**/*.test.js\\" --copy-files","clean":"del-cli dist","commitlint":"commitlint --from=master","lint:prettier":"prettier \\"{**/*,*}.{js,json,md,yml,css}\\" --list-different","lint:js":"eslint --cache src test","lint":"npm-run-all -l -p \\"lint:**\\"","prepare":"npm run build","release":"standard-version","security":"npm audit","test:only":"cross-env NODE_ENV=test jest","test:watch":"cross-env NODE_ENV=test jest --watch","test:coverage":"cross-env NODE_ENV=test jest --collectCoverageFrom=\\"src/**/*.js\\" --coverage","pretest":"npm run lint","test":"cross-env NODE_ENV=test npm run test:coverage","defaults":"webpack-defaults"},"files":["dist"],"peerDependencies":{"webpack":"^4.0.0"},"dependencies":{"buffer-json":"^2.0.0","find-cache-dir":"^3.0.0","loader-utils":"^1.2.3","mkdirp":"^0.5.1","neo-async":"^2.6.1","schema-utils":"^2.0.0"},"devDependencies":{"@babel/cli":"^7.5.5","@babel/core":"^7.5.5","@babel/preset-env":"^7.5.5","@commitlint/cli":"^8.1.0","@commitlint/config-conventional":"^8.1.0","@webpack-contrib/defaults":"^5.0.2","@webpack-contrib/eslint-config-webpack":"^3.0.0","babel-jest":"^24.8.0","babel-loader":"^8.0.6","commitlint-azure-pipelines-cli":"^1.0.2","cross-env":"^5.2.0","del":"^5.0.0","del-cli":"^2.0.0","eslint":"^6.0.1","eslint-config-prettier":"^6.0.0","eslint-plugin-import":"^2.18.0","file-loader":"^4.1.0","husky":"^3.0.0","jest":"^24.8.0","jest-junit":"^6.4.0","lint-staged":"^9.2.0","memory-fs":"^0.4.1","normalize-path":"^3.0.0","npm-run-all":"^4.1.5","prettier":"^1.18.2","standard-version":"^6.0.1","uuid":"^3.3.2","webpack":"^4.36.1","webpack-cli":"^3.3.6"},"keywords":["webpack"]}')},456:e=>{function 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o=this.getDependencies().concat(this.loaders.map(e=>e.path));const d=this.getContextDependencies();let u=true;const h=this.fs||i;const f=(e,r)=>{h.stat(e,(i,n)=>{if(i){r(i);return}const s=n.mtime.getTime();if(s/1e3>=Math.floor(c.startTime/1e3)){u=false}r(null,{path:pathWithCacheContext(t.cacheContext,e),mtime:s})})};a.parallel([e=>a.mapLimit(o,20,f,e),e=>a.mapLimit(d,20,f,e)],(r,i)=>{if(r){s(null,...e);return}if(!u){s(null,...e);return}const[a,o]=i;n(c.cacheKey,{remainingRequest:pathWithCacheContext(t.cacheContext,c.remainingRequest),dependencies:a,contextDependencies:o,result:e},()=>{s(null,...e)})})}function pitch(e,t,r){const n=Object.assign({},b,l(this));p(m,n,{name:"Cache Loader (Pitch)",baseDataPath:"options"});const{cacheContext:s,cacheKey:c,compare:o,read:d,readOnly:u,precision:h}=n;const f=this.async();const 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t={};function __nccwpck_require__(r){if(t[r]){return t[r].exports}var i=t[r]={exports:{}};var n=true;try{e[r](i,i.exports,__nccwpck_require__);n=false}finally{if(n)delete t[r]}return i.exports}__nccwpck_require__.ab=__dirname+"/";return __nccwpck_require__(296)})();
\ No newline at end of file
+module.exports=(()=>{var e={819:e=>{"use strict";e.exports=JSON.parse('{"type":"object","properties":{"cacheContext":{"description":"The default cache context in order to generate the cache relatively to a path. By default it will use absolute paths.","type":"string"},"cacheKey":{"description":"Allows you to override default cache key generator.","instanceof":"Function"},"cacheIdentifier":{"description":"Provide a cache directory where cache items should be stored (used for default read/write implementation).","type":"string"},"cacheDirectory":{"description":"Provide an invalidation identifier which is used to generate the hashes. You can use it for extra dependencies of loaders (used for default read/write implementation).","type":"string"},"compare":{"description":"Allows you to override default comparison function between the cached dependency and the one is being read. Return true to use the cached resource.","instanceof":"Function"},"precision":{"description":"Round mtime by this number of milliseconds both for stats and deps before passing those params to the comparing function.","type":"number"},"read":{"description":"Allows you to override default read cache data from file.","instanceof":"Function"},"readOnly":{"description":"Allows you to override default value and make the cache read only (useful for some environments where you don\'t want the cache to be updated, only read from it).","type":"boolean"},"write":{"description":"Allows you to override default write cache data to file (e.g. Redis, memcached).","instanceof":"Function"}},"additionalProperties":false}')},612:e=>{"use strict";e.exports=JSON.parse('{"name":"cache-loader","version":"4.1.0","description":"Caches the result of following loaders on disk.","license":"MIT","repository":"webpack-contrib/cache-loader","author":"Tobias Koppers 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o=this.getDependencies().concat(this.loaders.map(e=>e.path));const d=this.getContextDependencies();let u=true;const h=this.fs||i;const f=(e,r)=>{h.stat(e,(i,n)=>{if(i){r(i);return}const s=n.mtime.getTime();if(s/1e3>=Math.floor(a.startTime/1e3)){u=false}r(null,{path:pathWithCacheContext(t.cacheContext,e),mtime:s})})};c.parallel([e=>c.mapLimit(o,20,f,e),e=>c.mapLimit(d,20,f,e)],(r,i)=>{if(r){s(null,...e);return}if(!u){s(null,...e);return}const[c,o]=i;n(a.cacheKey,{remainingRequest:pathWithCacheContext(t.cacheContext,a.remainingRequest),dependencies:c,contextDependencies:o,result:e},()=>{s(null,...e)})})}function pitch(e,t,r){const n=Object.assign({},b,l(this));p(m,n,{name:"Cache Loader (Pitch)",baseDataPath:"options"});const{cacheContext:s,cacheKey:a,compare:o,read:d,readOnly:u,precision:h}=n;const f=this.async();const 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\ No newline at end of file

packages/next/compiled/file-loader/cjs.js

-module.exports=(()=>{"use strict";var e={764:e=>{e.exports=JSON.parse('{"additionalProperties":true,"properties":{"name":{"description":"The filename template for the target file(s) (https://github.com/webpack-contrib/file-loader#name).","anyOf":[{"type":"string"},{"instanceof":"Function"}]},"outputPath":{"description":"A filesystem path where the target file(s) will be placed (https://github.com/webpack-contrib/file-loader#outputpath).","anyOf":[{"type":"string"},{"instanceof":"Function"}]},"publicPath":{"description":"A custom public path for the target file(s) (https://github.com/webpack-contrib/file-loader#publicpath).","anyOf":[{"type":"string"},{"instanceof":"Function"}]},"postTransformPublicPath":{"description":"A custom transformation function for post-processing the publicPath (https://github.com/webpack-contrib/file-loader#posttransformpublicpath).","instanceof":"Function"},"context":{"description":"A custom file context (https://github.com/webpack-contrib/file-loader#context).","type":"string"},"emitFile":{"description":"Enables/Disables emit files (https://github.com/webpack-contrib/file-loader#emitfile).","type":"boolean"},"regExp":{"description":"A Regular Expression to one or many parts of the target file path. The capture groups can be reused in the name property using [N] placeholder (https://github.com/webpack-contrib/file-loader#regexp).","anyOf":[{"type":"string"},{"instanceof":"RegExp"}]},"esModule":{"description":"By default, file-loader generates JS modules that use the ES modules syntax.","type":"boolean"}},"type":"object"}')},467:(e,t,i)=>{const r=i(206);e.exports=r.default;e.exports.raw=r.raw},206:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:true});t.default=loader;t.raw=void 0;var r=_interopRequireDefault(i(622));var o=_interopRequireDefault(i(710));var a=_interopRequireDefault(i(225));var n=_interopRequireDefault(i(764));function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function loader(e){const t=o.default.getOptions(this);(0,a.default)(n.default,t,{name:"File Loader",baseDataPath:"options"});const i=t.context||this.rootContext;const s=o.default.interpolateName(this,t.name||"[contenthash].[ext]",{context:i,content:e,regExp:t.regExp});let p=s;if(t.outputPath){if(typeof t.outputPath==="function"){p=t.outputPath(s,this.resourcePath,i)}else{p=r.default.posix.join(t.outputPath,s)}}let u=`__webpack_public_path__ + ${JSON.stringify(p)}`;if(t.publicPath){if(typeof t.publicPath==="function"){u=t.publicPath(s,this.resourcePath,i)}else{u=`${t.publicPath.endsWith("/")?t.publicPath:`${t.publicPath}/`}${s}`}u=JSON.stringify(u)}if(t.postTransformPublicPath){u=t.postTransformPublicPath(u)}if(typeof t.emitFile==="undefined"||t.emitFile){this.emitFile(p,e)}const l=typeof t.esModule!=="undefined"?t.esModule:true;return`${l?"export default":"module.exports ="} ${u};`}const s=true;t.raw=s},710:e=>{e.exports=require("loader-utils")},225:e=>{e.exports=require("next/dist/compiled/schema-utils")},622:e=>{e.exports=require("path")}};var t={};function __nccwpck_require__(i){if(t[i]){return t[i].exports}var r=t[i]={exports:{}};var o=true;try{e[i](r,r.exports,__nccwpck_require__);o=false}finally{if(o)delete t[i]}return r.exports}__nccwpck_require__.ab=__dirname+"/";return __nccwpck_require__(467)})();
\ No newline at end of file
+module.exports=(()=>{"use strict";var e={764:e=>{e.exports=JSON.parse('{"additionalProperties":true,"properties":{"name":{"description":"The filename template for the target file(s) (https://github.com/webpack-contrib/file-loader#name).","anyOf":[{"type":"string"},{"instanceof":"Function"}]},"outputPath":{"description":"A filesystem path where the target file(s) will be placed (https://github.com/webpack-contrib/file-loader#outputpath).","anyOf":[{"type":"string"},{"instanceof":"Function"}]},"publicPath":{"description":"A custom public path for the target file(s) (https://github.com/webpack-contrib/file-loader#publicpath).","anyOf":[{"type":"string"},{"instanceof":"Function"}]},"postTransformPublicPath":{"description":"A custom transformation function for post-processing the publicPath (https://github.com/webpack-contrib/file-loader#posttransformpublicpath).","instanceof":"Function"},"context":{"description":"A custom file context (https://github.com/webpack-contrib/file-loader#context).","type":"string"},"emitFile":{"description":"Enables/Disables emit files (https://github.com/webpack-contrib/file-loader#emitfile).","type":"boolean"},"regExp":{"description":"A Regular Expression to one or many parts of the target file path. The capture groups can be reused in the name property using [N] placeholder (https://github.com/webpack-contrib/file-loader#regexp).","anyOf":[{"type":"string"},{"instanceof":"RegExp"}]},"esModule":{"description":"By default, file-loader generates JS modules that use the ES modules syntax.","type":"boolean"}},"type":"object"}')},467:(e,t,i)=>{const r=i(206);e.exports=r.default;e.exports.raw=r.raw},206:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:true});t.default=loader;t.raw=void 0;var r=_interopRequireDefault(i(622));var o=_interopRequireDefault(i(443));var a=_interopRequireDefault(i(225));var n=_interopRequireDefault(i(764));function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function loader(e){const t=o.default.getOptions(this);(0,a.default)(n.default,t,{name:"File Loader",baseDataPath:"options"});const i=t.context||this.rootContext;const s=o.default.interpolateName(this,t.name||"[contenthash].[ext]",{context:i,content:e,regExp:t.regExp});let p=s;if(t.outputPath){if(typeof t.outputPath==="function"){p=t.outputPath(s,this.resourcePath,i)}else{p=r.default.posix.join(t.outputPath,s)}}let u=`__webpack_public_path__ + ${JSON.stringify(p)}`;if(t.publicPath){if(typeof t.publicPath==="function"){u=t.publicPath(s,this.resourcePath,i)}else{u=`${t.publicPath.endsWith("/")?t.publicPath:`${t.publicPath}/`}${s}`}u=JSON.stringify(u)}if(t.postTransformPublicPath){u=t.postTransformPublicPath(u)}if(typeof t.emitFile==="undefined"||t.emitFile){this.emitFile(p,e)}const l=typeof t.esModule!=="undefined"?t.esModule:true;return`${l?"export default":"module.exports ="} ${u};`}const s=true;t.raw=s},443:e=>{e.exports=require("next/dist/compiled/loader-utils")},225:e=>{e.exports=require("next/dist/compiled/schema-utils")},622:e=>{e.exports=require("path")}};var t={};function __nccwpck_require__(i){if(t[i]){return t[i].exports}var r=t[i]={exports:{}};var o=true;try{e[i](r,r.exports,__nccwpck_require__);o=false}finally{if(o)delete t[i]}return r.exports}__nccwpck_require__.ab=__dirname+"/";return __nccwpck_require__(467)})();
\ No newline at end of file

packages/next/compiled/loader-utils/LICENSE

+Copyright JS Foundation and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

packages/next/compiled/loader-utils/package.json

+{"name":"loader-utils","main":"index.js","author":"Tobias Koppers @sokra","license":"MIT"}

packages/next/package.json

@@ -69,8 +69,6 @@
     "@next/react-refresh-utils": "10.0.6-canary.1",
     "@opentelemetry/api": "0.14.0",
     "ast-types": "0.13.2",
-    "babel-plugin-transform-define": "2.0.0",
-    "babel-plugin-transform-react-remove-prop-types": "0.4.24",
     "browserslist": "4.14.6",
     "buffer": "5.6.0",
     "caniuse-lite": "^1.0.30001113",
@@ -82,8 +80,6 @@
     "etag": "1.8.1",
     "find-cache-dir": "3.3.1",
     "jest-worker": "24.9.0",
-    "klona": "^2.0.4",
-    "loader-utils": "2.0.0",
     "native-url": "0.3.4",
     "node-fetch": "2.6.1",
     "node-html-parser": "1.4.9",
@@ -183,6 +179,8 @@
     "async-retry": "1.2.3",
     "async-sema": "3.0.0",
     "babel-plugin-dynamic-import-node": "2.3.3",
+    "babel-plugin-transform-define": "2.0.0",
+    "babel-plugin-transform-react-remove-prop-types": "0.4.24",
     "cacache": "15.0.5",
     "cache-loader": "4.1.0",
     "ci-info": "watson/ci-info#f43f6a1cefff47fb361c88cf4b943fdbcaafe540",
@@ -205,6 +203,7 @@
     "is-wsl": "2.2.0",
     "json5": "2.1.3",
     "jsonwebtoken": "8.5.1",
+    "loader-utils": "2.0.0",
     "lodash.curry": "4.1.1",
     "lru-cache": "5.1.1",
     "mkdirp": "0.5.3",

packages/next/taskfile.js

@@ -39,22 +39,18 @@ const externals = {
 
   chalk: 'chalk',
   'node-fetch': 'node-fetch',
+  // postcss: 'postcss',
 
   // webpack
   'node-libs-browser': 'node-libs-browser',
 
-  // css-loader
-  // postcss: 'postcss',
-
   // sass-loader
   // (also responsible for these dependencies in package.json)
   'node-sass': 'node-sass',
   sass: 'sass',
   fibers: 'fibers',
-  klona: 'klona',
 
   chokidar: 'chokidar',
-  'loader-utils': 'loader-utils',
   'jest-worker': 'jest-worker',
 }
 // eslint-disable-next-line camelcase
@@ -329,6 +325,14 @@ export async function ncc_jsonwebtoken(task, opts) {
     .target('compiled/jsonwebtoken')
 }
 // eslint-disable-next-line camelcase
+externals['loader-utils'] = 'next/dist/compiled/loader-utils'
+export async function ncc_loader_utils(task, opts) {
+  await task
+    .source(opts.src || relative(__dirname, require.resolve('loader-utils')))
+    .ncc({ packageName: 'loader-utils', externals })
+    .target('compiled/loader-utils')
+}
+// eslint-disable-next-line camelcase
 externals['lodash.curry'] = 'next/dist/compiled/lodash.curry'
 export async function ncc_lodash_curry(task, opts) {
   await task
@@ -444,6 +448,7 @@ export async function ncc_sass_loader(task, opts) {
         ...externals,
         'schema-utils': 'next/dist/compiled/schema-utils3',
       },
+      target: 'es5',
     })
     .target('compiled/sass-loader')
 }
@@ -669,6 +674,7 @@ export async function ncc(task) {
       'ncc_is_wsl',
       'ncc_json5',
       'ncc_jsonwebtoken',
+      'ncc_loader_utils',
       'ncc_lodash_curry',
       'ncc_lru_cache',
       'ncc_mkdirp',

packages/next/types/webpack.d.ts

@@ -24,7 +24,7 @@
 /// <reference types="node" />
 
 declare module 'mini-css-extract-plugin'
-declare module 'loader-utils'
+declare module 'next/dist/compiled/loader-utils'
 
 declare module 'next/dist/compiled/webpack/webpack' {
   import webpackSources from 'webpack-sources'