jest.config.js

// NOTE: this jest config should be used by projects in packages/*, products/*,
// and plugins/* dirs
module.exports = {
  roots: ['.', 'packages/', 'products/', 'plugins/'],
  moduleFileExtensions: ['js', 'ts', 'tsx', 'jsx', 'json', 'node'],

  transform: {
    '^.+\\.(ts|tsx|js|jsx)$': '<rootDir>/config/jest/babelTransform.js',
    '^.+\\.css$': '<rootDir>/config/jest/cssTransform.js',
  },
  transformIgnorePatterns: [
    String.raw`[/\\]node_modules[/\\].+\.(js|jsx)$`,
    String.raw`^.+\.module\.(css|sass|scss)$`,
  ],
  testMatch: [
    '<rootDir>/**/__tests__/**/*.{js,jsx,ts,tsx}',
    '<rootDir>/**/*.(spec|test).{js,jsx,ts,tsx}',
  ],
  testPathIgnorePatterns: ['/dist/', '/cypress/', '/demos/'],
  collectCoverageFrom: [
    'packages/*/src/**/*.{js,jsx,ts,tsx}',
    'products/*/src/**/*.{js,jsx,ts,tsx}',
    'plugins/*/src/**/*.{js,jsx,ts,tsx}',
    // most packages have their src in src/, except for jbrowse-core
    'packages/core/**/*.{js,jsx,ts,tsx}',
  ],
  coveragePathIgnorePatterns: [
    '!*.d.ts',
    'makeWorkerInstance.ts',
    'react-colorful.js',
    'QuickLRU.js',
  ],
  setupFiles: [
    '<rootDir>/config/jest/textEncoder.js',
    '<rootDir>/config/jest/fetchMock.js',
    '<rootDir>/config/jest/console.js',
    '<rootDir>/config/jest/messagechannel.js',
    '<rootDir>/config/jest/structuredClone.js',
  ],
  testEnvironmentOptions: { url: 'http://localhost' },
  testTimeout: 15000,
  testEnvironment: 'jsdom',

  // verbose true is needed for oclif jest tests due to
  // https://github.com/oclif/core/issues/1185
  verbose: true,
}