perf(next): use require.resolve instead of resolve

packages/next/build/plugins/collect-plugins.ts

@@ -1,7 +1,6 @@
 import findUp from 'next/dist/compiled/find-up'
 import { promises } from 'fs'
 import path from 'path'
-import resolve from 'next/dist/compiled/resolve/index.js'
 import { execOnce } from '../../next-server/lib/utils'
 
 const { version } = require('next/package.json')
@@ -213,10 +212,7 @@ async function _collectPlugins(
     nextPluginNames.map((name) =>
       collectPluginMeta(
         env,
-        resolve.sync(path.join(name, 'package.json'), {
-          basedir: dir,
-          preserveSymlinks: true,
-        }),
+        require.resolve(path.join(name, 'package.json'), { paths: [dir] }),
         name,
         version
       )

packages/next/build/webpack-config.ts

@@ -18,7 +18,6 @@ import {
 import { fileExists } from '../lib/file-exists'
 import { getPackageVersion } from '../lib/get-package-version'
 import { Rewrite } from '../lib/load-custom-routes'
-import { resolveRequest } from '../lib/resolve-request'
 import { getTypeScriptConfiguration } from '../lib/typescript/getTypeScriptConfiguration'
 import {
   CLIENT_STATIC_FILES_RUNTIME_MAIN,
@@ -306,7 +305,7 @@ export default async function getBaseWebpackConfig(
 
   let typeScriptPath: string | undefined
   try {
-    typeScriptPath = resolveRequest('typescript', `${dir}/`)
+    typeScriptPath = require.resolve('typescript', { paths: [dir] })
   } catch (_) {}
   const tsConfigPath = path.join(dir, 'tsconfig.json')
   const useTypeScript = Boolean(
@@ -607,7 +606,7 @@ export default async function getBaseWebpackConfig(
     // exist.
     let res: string
     try {
-      res = resolveRequest(request, `${context}/`)
+      res = require.resolve(request, { paths: [context] })
     } catch (err) {
       // If the request cannot be resolved, we need to tell webpack to
       // "bundle" it so that webpack shows an error (that it cannot be
@@ -645,7 +644,7 @@ export default async function getBaseWebpackConfig(
       // we need to bundle the code (even if it _should_ be external).
       let baseRes: string | null
       try {
-        baseRes = resolveRequest(request, `${dir}/`)
+        baseRes = require.resolve(request, { paths: [dir] })
       } catch (err) {
         baseRes = null
       }
@@ -1420,29 +1419,32 @@ export default async function getBaseWebpackConfig(
         try {
           // Resolve the version of `@zeit/next-css` as depended on by the Sass,
           // Less or Stylus plugin.
-          const correctNextCss = resolveRequest(
-            '@zeit/next-css',
-            isCss
-              ? // Resolve `@zeit/next-css` from the base directory
-                `${dir}/`
-              : // Else, resolve it from the specific plugins
-                require.resolve(
-                  isSass
-                    ? '@zeit/next-sass'
-                    : isLess
-                    ? '@zeit/next-less'
-                    : isStylus
-                    ? '@zeit/next-stylus'
-                    : 'next'
-                )
-          )
+          const correctNextCss = require.resolve('@zeit/next-css', {
+            paths: [
+              isCss
+                ? // Resolve `@zeit/next-css` from the base directory
+                  dir
+                : // Else, resolve it from the specific plugins
+                  require.resolve(
+                    isSass
+                      ? '@zeit/next-sass'
+                      : isLess
+                      ? '@zeit/next-less'
+                      : isStylus
+                      ? '@zeit/next-stylus'
+                      : 'next'
+                  ),
+            ],
+          })
 
           // If we found `@zeit/next-css` ...
           if (correctNextCss) {
             // ... resolve the version of `css-loader` shipped with that
             // package instead of whichever was hoisted highest in your
             // `node_modules` tree.
-            const correctCssLoader = resolveRequest(use.loader, correctNextCss)
+            const correctCssLoader = require.resolve(use.loader, {
+              paths: [correctNextCss],
+            })
             if (correctCssLoader) {
               // We saved the user from a failed build!
               use.loader = correctCssLoader

packages/next/build/webpack/config/blocks/css/plugins.ts

@@ -1,6 +1,5 @@
 import chalk from 'chalk'
 import { findConfig } from '../../../../../lib/find-config'
-import { resolveRequest } from '../../../../../lib/resolve-request'
 import browserslist from 'browserslist'
 
 type CssPluginCollection_Array = (string | [string, boolean | object])[]
@@ -57,7 +56,7 @@ async function loadPlugin(
     throw new Error(genericErrorText)
   }
 
-  const pluginPath = resolveRequest(pluginName, `${dir}/`)
+  const pluginPath = require.resolve(pluginName, { paths: [dir] })
   if (isIgnoredPlugin(pluginPath)) {
     return false
   } else if (options === true) {

packages/next/lib/get-package-version.ts

@@ -2,7 +2,6 @@ import { promises as fs } from 'fs'
 import findUp from 'next/dist/compiled/find-up'
 import JSON5 from 'next/dist/compiled/json5'
 import * as path from 'path'
-import { resolveRequest } from './resolve-request'
 
 type PackageJsonDependencies = {
   dependencies: Record<string, string>
@@ -52,7 +51,9 @@ export async function getPackageVersion({
       : `${cwd}/`
 
   try {
-    const targetPath = resolveRequest(`${name}/package.json`, cwd2)
+    const targetPath = require.resolve(`${name}/package.json`, {
+      paths: [cwd2],
+    })
     const targetContent = await fs.readFile(targetPath, 'utf-8')
     return JSON5.parse(targetContent).version ?? null
   } catch {

packages/next/lib/typescript/hasNecessaryDependencies.ts

@@ -2,7 +2,6 @@ import chalk from 'chalk'
 import path from 'path'
 import { fileExists } from '../file-exists'
 import { getOxfordCommaList } from '../oxford-comma-list'
-import { resolveRequest } from '../resolve-request'
 import { FatalTypeScriptError } from './FatalTypeScriptError'
 
 const requiredPackages = [
@@ -22,7 +21,7 @@ export async function hasNecessaryDependencies(
 
   const missingPackages = requiredPackages.filter((p) => {
     try {
-      resolutions.set(p.pkg, resolveRequest(p.file, path.join(baseDir, '/')))
+      resolutions.set(p.pkg, require.resolve(p.file, { paths: [baseDir] }))
       return false
     } catch (_) {
       return true

packages/next/package.json

@@ -172,7 +172,6 @@
     "@types/react": "16.9.17",
     "@types/react-dom": "16.9.4",
     "@types/react-is": "16.7.1",
-    "@types/resolve": "0.0.8",
     "@types/semver": "7.3.1",
     "@types/send": "0.14.4",
     "@types/sharp": "0.26.0",
@@ -220,7 +219,6 @@
     "postcss-preset-env": "6.7.0",
     "postcss-scss": "3.0.4",
     "recast": "0.18.5",
-    "resolve": "1.11.0",
     "semver": "7.3.2",
     "send": "0.17.1",
     "source-map": "0.6.1",