jest.config.mjs

import nextJest from 'next/jest.js';

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 config = {
    setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
    testEnvironment: 'jest-environment-jsdom',
    preset: 'ts-jest',
    coverageDirectory: 'coverage',
    coverageThreshold: {
        global: {
            branches: 80,
            functions: 80,
            lines: 80,
            statements: -20,
        },
    },
    clearMocks: true,
    collectCoverage: true,
    collectCoverageFrom: [
        '**/src/**/*.{js,jsx,ts,tsx}',
        '!**/*.test.{js,jsx,ts,tsx}',
        '!**/node_modules/**',
        '!**/.next/**',
        '!**/.vscode/**',
        '!**/lib/**',
        '!**/types/**',
        '!**/src/**/{(layout),(error),(global-error)}.tsx',
    ],
};

// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
export default createJestConfig(config);