Update packages/next/build/jest/jest.ts

Co-authored-by: JJ Kasper <jj@jjsweb.site>
vercel · Nov 16, 2022 · 1b8940c · 1b8940c
1 parent a332085
commit 1b8940c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/next/build/jest/jest.ts b/packages/next/build/jest/jest.ts
@@ -155,9 +155,10 @@ export default function nextJest(options: { dir?: string } = {}) {
 
         transformIgnorePatterns: [
           // To match Next.js behavior node_modules is not transformed, only `transpiledPackages`
+           ...(transpiled ? [
           `/node_modules/(?!(${transpiled}))/`,
           `/node_modules/.pnpm/(?!(${transpiled.replace(/\//g, '\\+')})@)`,
-
+          ] : ['/node_modules/'])
           // CSS modules are mocked so they don't need to be transformed
           '^.+\\.module\\.(css|sass|scss)$',