LetterFeed/frontend/jest.config.js

const nextJest = require('next/jest');

const createJestConfig = nextJest({
  dir: './',
});

const customJestConfig = {
  setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
  testEnvironment: 'jest-environment-jsdom',
  moduleNameMapper: {
    '^@/components/(.*)$': '<rootDir>/components/$1',
    '^@/lib/(.*)$': '<rootDir>/src/lib/$1',
  },
};

module.exports = createJestConfig(customJestConfig);