jest.setup.js

import 'dayjs/locale/ko';
import '@testing-library/jest-dom/extend-expect';
import 'jest-plugin-context/setup';
import 'given2/setup';

import dayjs from 'dayjs';
import relativeTime from 'dayjs/plugin/relativeTime';

jest.mock('@/utils/rehypePrism');
jest.mock('next/dynamic', () => ({
  __esModule: true,
  default: (...props) => {
    const dynamicModule = jest.requireActual('next/dynamic');
    const dynamicActualComp = dynamicModule.default;
    const RequiredComponent = dynamicActualComp(props[0]);

    if (RequiredComponent.preload) {
      RequiredComponent.preload();

      return RequiredComponent;
    }

    RequiredComponent.render.preload();

    return RequiredComponent;
  },
}));

dayjs.locale('ko');
dayjs.extend(relativeTime);