jest.config.js

/*
 * Copyright (c) Jupyter Development Team.
 * Distributed under the terms of the Modified BSD License.
 */
const path = require('path');

const func = require('@jupyterlab/testutils/lib/jest-config');
const jlabConfig = func(__dirname);

const esModules = [
  '@codemirror',
  '@jupyterlab',
  '@jupyter',
  'lib0',
  'lib0/websocket',
  'nanoid',
  'vscode\\-ws\\-jsonrpc',
  'y\\-protocols',
  'y\\-websocket',
  'y\\-webrtc',
  'yjs'
].join('|');
/*
const {
  moduleFileExtensions,
  moduleNameMapper,
  preset,
  setupFilesAfterEnv,
  setupFiles,
  testPathIgnorePatterns,
  transform
} = jlabConfig;
*/
module.exports = {
  /*
  ...jlabConfig,
  moduleFileExtensions,
  moduleNameMapper,
  preset,
  setupFilesAfterEnv,
  setupFiles,
  testPathIgnorePatterns,
  transform,
  automock: false,
*/
  //  collectCoverageFrom: [
  //    'src/**/*.{ts,tsx}',
  //    '!src/**/*.d.ts',
  //    '!src/**/.ipynb_checkpoints/*'
  //  ],
  /*
  coverageDirectory: 'coverage',
  coverageReporters: ['lcov', 'text'],
  globals: {
    'ts-jest': {
      tsconfig: 'tsconfig.json'
    }
  },
*/
  testRegex: '(/__tests__/.*(test|spec))\\.[jt]sx?$',
  testPathIgnorePatterns: ['/node_modules/', 'lib'],
  transformIgnorePatterns: [`/node_modules/(?!${esModules}).+`],
  transform: {
    '^.+\\.(ts)$': 'ts-jest',
    '^.+\\.[jt]sx?$': ['babel-jest']
  },
  preset: 'jest-playwright-preset'
};