.jestconfig.json

{
  "workerIdleMemoryLimit": "0.75",
  "maxWorkers": "50%",
  "projects": [
    {
      "displayName": "server",
      "roots": ["<rootDir>/server", "<rootDir>/plugins"],
      "moduleNameMapper": {
        "^@server/(.*)$": "<rootDir>/server/$1",
        "^@shared/(.*)$": "<rootDir>/shared/$1"
      },
      "setupFiles": ["<rootDir>/__mocks__/console.js", "<rootDir>/server/test/env.ts"],
      "setupFilesAfterEnv": ["<rootDir>/server/test/setup.ts"],
      "globalSetup": "<rootDir>/server/test/globalSetup.js",
      "globalTeardown": "<rootDir>/server/test/globalTeardown.js",
      "testEnvironment": "node"
    },
    {
      "displayName": "app",
      "roots": ["<rootDir>/app"],
      "moduleNameMapper": {
        "^~/(.*)$": "<rootDir>/app/$1",
        "^@shared/(.*)$": "<rootDir>/shared/$1",
        "^.*[.](gif|ttf|eot|svg)$": "<rootDir>/__test__/fileMock.js",
        "^uuid$": "<rootDir>/node_modules/uuid/dist/index.js"
      },
      "modulePaths": ["<rootDir>/app"],
      "setupFiles": ["<rootDir>/__mocks__/window.js"],
      "setupFilesAfterEnv": ["<rootDir>/app/test/setup.ts"],
      "testEnvironment": "jsdom",
      "testEnvironmentOptions": {
        "url": "http://localhost"
      }
    },
    {
      "displayName": "shared-node",
      "roots": ["<rootDir>/shared"],
      "moduleNameMapper": {
        "^@server/(.*)$": "<rootDir>/server/$1",
        "^@shared/(.*)$": "<rootDir>/shared/$1"
      },
      "setupFiles": ["<rootDir>/__mocks__/console.js"],
      "setupFilesAfterEnv": ["<rootDir>/shared/test/setup.ts"],
      "testEnvironment": "node"
    },
    {
      "displayName": "shared-jsdom",
      "roots": ["<rootDir>/shared"],
      "moduleNameMapper": {
        "^~/(.*)$": "<rootDir>/app/$1",
        "^@shared/(.*)$": "<rootDir>/shared/$1",
        "^.*[.](gif|ttf|eot|svg)$": "<rootDir>/__test__/fileMock.js",
        "^uuid$": "<rootDir>/node_modules/uuid/dist/index.js"
      },
      "setupFiles": ["<rootDir>/__mocks__/window.js"],
      "testEnvironment": "jsdom",
      "testEnvironmentOptions": {
        "url": "http://localhost"
      }
    }
  ]
}