const nextJest = require('next/jest') const createJestConfig = nextJest({ // Provide the path to your Next.js app to load next.config.js and .env files in your test environment dir: './', }) // Add any custom config to be passed to Jest /** @type {import('jest').Config} */ const customJestConfig = { // Add more setup options before each test is run // setupFilesAfterEnv: ['/jest.setup.js'], transform: { // ... other transforms ... "\\.yaml$": "jest-transform-yaml", }, moduleFileExtensions: [ "ts", "txs", "jsx", "js", "json", "yaml" ], } // createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async module.exports = createJestConfig(customJestConfig)