jest.config.js

const esModules = [
  '@la-jarre-a-son/ui',
  'react-markdown',
  'vfile',
  'unist-.+',
  'unified',
  'bail',
  'is-plain-obj',
  'trough',
  'remark-.+',
  'mdast-util-.+',
  'micromark',
  'parse-entities',
  'character-entities',
  'property-information',
  'comma-separated-tokens',
  'hast-util-whitespace',
  'remark-.+',
  'space-separated-tokens',
  'decode-named-character-reference',
  'ccount',
  'escape-string-regexp',
  'markdown-table',
  'trim-lines',
].join('|');

module.exports = {
  testEnvironment: 'jsdom',
  testEnvironmentOptions: {
    url: 'http://localhost/',
  },
  transform: { '\\.[jt]sx?$': 'babel-jest' },
  moduleNameMapper: {
    '\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga|md)$':
      '<rootDir>/.erb/mocks/fileMock.js',
    '\\.(css|less|sass|scss)$': 'identity-obj-proxy',
  },
  moduleFileExtensions: ['js', 'jsx', 'ts', 'tsx', 'json', 'md'],
  moduleDirectories: ['node_modules', 'release/app/node_modules', 'src'],
  testMatch: ['**/*.test.[jt]s?(x)'],
  testPathIgnorePatterns: ['release/app/dist'],
  setupFiles: ['./.erb/scripts/check-build-exists.ts'],
  setupFilesAfterEnv: ['./src/__tests__/setup.ts'],
  transformIgnorePatterns: [`node_modules/(?!${esModules})`],
};