kibana/x-pack/dev-tools/jest/create_jest_config.js

/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License;
 * you may not use this file except in compliance with the Elastic License.
 */

export function createJestConfig({
  kibanaDirectory,
  xPackKibanaDirectory,
}) {
  return {
    rootDir: xPackKibanaDirectory,
    roots: [
      '<rootDir>/plugins',
      '<rootDir>/server',
    ],
    moduleFileExtensions: [
      'js',
      'json',
      'ts',
      'tsx',
    ],
    moduleNameMapper: {
      '^ui/(.*)': `${kibanaDirectory}/src/legacy/ui/public/$1`,
      '^plugins/xpack_main/(.*);': `${xPackKibanaDirectory}/plugins/xpack_main/public/$1`,
      '\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$':
        `${kibanaDirectory}/src/dev/jest/mocks/file_mock.js`,
      '\\.(css|less|scss)$': `${kibanaDirectory}/src/dev/jest/mocks/style_mock.js`,
      '^test_utils/enzyme_helpers': `${xPackKibanaDirectory}/test_utils/enzyme_helpers.tsx`
    },
    setupFiles: [
      `${kibanaDirectory}/src/dev/jest/setup/babel_polyfill.js`,
      `<rootDir>/dev-tools/jest/setup/polyfills.js`,
      `<rootDir>/dev-tools/jest/setup/enzyme.js`,
    ],
    testMatch: [
      '**/*.test.{js,ts,tsx}'
    ],
    transform: {
      '^.+\\.js$': `${kibanaDirectory}/src/dev/jest/babel_transform.js`,
      '^.+\\.tsx?$': `${kibanaDirectory}/src/dev/jest/ts_transform.js`,
    },
    transformIgnorePatterns: [
      '[/\\\\]node_modules[/\\\\].+\\.js$'
    ],
    snapshotSerializers: [
      `${kibanaDirectory}/node_modules/enzyme-to-json/serializer`
    ],
    'reporters': [
      'default',
      [`${kibanaDirectory}/src/dev/jest/junit_reporter.js`, {
        reportName: 'X-Pack Jest Tests',
      }]
    ],
  };
}