jest.config.js

const path = require("path")

module.exports = {
  cacheDirectory: ".cache/jest",
  moduleDirectories: ["node_modules", "<rootDir>/src"],
  moduleFileExtensions: ["js", "json", "jsx", "ts", "tsx"],
  moduleNameMapper: {
    "^luxon$": "<rootDir>/node_modules/luxon",
    "^react$": "<rootDir>/node_modules/react",
  },
  reporters: ["default", "jest-junit"],
  setupFilesAfterEnv: [
    "<rootDir>/src/Utils/jestShim.js",
    "<rootDir>/src/tests.ts",
  ],
  testEnvironment: "jest-environment-jsdom",
  testMatch: ["**/src/**/*.jest.(ts|tsx|js|jsx)"],
  testEnvironmentOptions: {
    url: "http://localhost",
  },
  transform: {
    "\\.(gql|graphql)$": "@graphql-tools/jest-transform",
    "(ts|tsx|js|jsx)$": [
      "@swc/jest",
      {
        jsc: {
          parser: {
            syntax: "typescript",
            tsx: true,
            decorators: true,
            dynamicImport: true,
          },
          transform: {
            react: {
              runtime: "automatic",
            },
          },
          experimental: {
            plugins: [
              ["@swc/plugin-loadable-components", {}],
              [
                "@swc/plugin-styled-components",
                {
                  ssr: true,
                  displayName: true,
                },
              ],
              [
                "@swc/plugin-relay",
                {
                  // Must be fully-resolved absolute path
                  rootDir: path.resolve(process.cwd(), "src"),
                  artifactDirectory: "__generated__",
                  language: "typescript",
                },
              ],
            ],
          },
        },
      },
    ],
  },
  watchPlugins: [
    "jest-watch-typeahead/filename",
    "jest-watch-typeahead/testname",
  ],
  workerIdleMemoryLimit: "500MB",
}