Remove next-typescript check in webpack config (#55819)

This package has been legacy for multiple years and has been marked
deprecated, this check is no longer useful.

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package.json

@@ -110,7 +110,6 @@
     "@typescript-eslint/parser": "6.1.0",
     "@vercel/fetch": "6.1.1",
     "@vercel/og": "0.5.15",
-    "@zeit/next-typescript": "1.1.2-canary.0",
     "abort-controller": "3.0.0",
     "alex": "9.1.0",
     "amphtml-validator": "1.0.35",

packages/next/src/build/webpack-config.ts

@@ -3002,34 +3002,6 @@ export default async function getBaseWebpackConfig(
     attachReactRefresh(webpackConfig, defaultLoaders.babel)
   }
 
-  // check if using @zeit/next-typescript and show warning
-  if (
-    isNodeOrEdgeCompilation &&
-    webpackConfig.module &&
-    Array.isArray(webpackConfig.module.rules)
-  ) {
-    let foundTsRule = false
-
-    webpackConfig.module.rules = webpackConfig.module.rules.filter(
-      (rule): boolean => {
-        if (!rule || typeof rule !== 'object') return true
-        if (!(rule.test instanceof RegExp)) return true
-        if (rule.test.test('noop.ts') && !rule.test.test('noop.js')) {
-          // remove if it matches @zeit/next-typescript
-          foundTsRule = rule.use === defaultLoaders.babel
-          return !foundTsRule
-        }
-        return true
-      }
-    )
-
-    if (foundTsRule) {
-      console.warn(
-        `\n@zeit/next-typescript is no longer needed since Next.js has built-in support for TypeScript now. Please remove it from your ${config.configFileName} and your .babelrc\n`
-      )
-    }
-  }
-
   // Backwards compat for `main.js` entry key
   // and setup of dependencies between entries
   // we can't do that in the initial entry for

pnpm-lock.yaml

@@ -176,9 +176,6 @@ importers:
       '@vercel/og':
         specifier: 0.5.15
         version: 0.5.15
-      '@zeit/next-typescript':
-        specifier: 1.1.2-canary.0
-        version: 1.1.2-canary.0(@babel/core@7.18.0)
       abort-controller:
         specifier: 3.0.0
         version: 3.0.0
@@ -4422,6 +4419,7 @@ packages:
       '@babel/plugin-syntax-typescript': 7.21.4(@babel/core@7.18.0)
     transitivePeerDependencies:
       - supports-color
+    dev: false
 
   /@babel/plugin-transform-typescript@7.18.4(@babel/core@7.18.0):
     resolution: {integrity: sha512-l4vHuSLUajptpHNEOUDEGsnpl9pfRLsN1XUoDQDD/YBuXTM+v37SHGS+c6n4jdcZy96QtuUuSvZYMLSSsjH8Mw==}
@@ -4899,6 +4897,7 @@ packages:
       '@babel/plugin-transform-typescript': 7.16.8(@babel/core@7.18.0)
     transitivePeerDependencies:
       - supports-color
+    dev: false
 
   /@babel/preset-typescript@7.17.12(@babel/core@7.18.0):
     resolution: {integrity: sha512-S1ViF8W2QwAKUGJXxP9NAfNaqGDdEBJKpYkxHf5Yy2C4NPPzXGeR3Lhk7G8xJaaLcFTRfNjVbtbVtm8Gb0mqvg==}
@@ -9050,15 +9049,6 @@ packages:
       lru-cache: 5.1.1
     dev: true
 
-  /@zeit/next-typescript@1.1.2-canary.0(@babel/core@7.18.0):
-    resolution: {integrity: sha512-DxBzRYBFG7FvoU7nyf7nBP4gr0CdM/7noMCirVbFpfWVg7csOEBIVxWcAeUmlJRaxDBPplZ9W5BvtbxL3A8DRQ==}
-    dependencies:
-      '@babel/preset-typescript': 7.16.7(@babel/core@7.18.0)
-    transitivePeerDependencies:
-      - '@babel/core'
-      - supports-color
-    dev: true
-
   /@zxing/text-encoding@0.9.0:
     resolution: {integrity: sha512-U/4aVJ2mxI0aDNI8Uq0wEhMgY+u4CNtEb0om3+y3+niDAsoTCOB33UF0sxpzqzdqXLqmvc+vZyAt4O8pPdfkwA==}
     requiresBuild: true