Allow to customize jest transformIgnorePatterns

vercel · Mar 27, 2022 · 6f74264 · 6f74264
1 parent 086cf91
commit 6f74264
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/packages/next/build/jest/jest.ts b/packages/next/build/jest/jest.ts
@@ -88,14 +88,11 @@ export default function nextJest(options: { dir?: string } = {}) {
  // Custom config will be able to override the default mappings
  ...(resolvedJestConfig.moduleNameMapper || {}),
  },
- testPathIgnorePatterns: [
+ testPathIgnorePatterns: resolvedJestConfig.testPathIgnorePatterns || [
  // Don't look for tests in node_modules
  '/node_modules/',
  // Don't look for tests in the Next.js build output
  '/.next/',
- // Custom config can append to testPathIgnorePatterns but not modify it
- // This is to ensure `.next` and `node_modules` are always excluded
- ...(resolvedJestConfig.testPathIgnorePatterns || []),
  ],
 
  transform: {