jest.config.js

module.exports = {
  preset: "ts-jest",
  testEnvironment: "node",
  roots: ["<rootDir>/src"],
  testMatch: ["**/?(*.)+(spec|test).[tj]s?(x)"],
  transform: {
    "^.+\\.(ts|tsx)$": "ts-jest",
  },
  collectCoverageFrom: ["src/**/*.{ts,tsx}", "!src/**/*.d.ts"],
  coverageDirectory: "coverage",
  coverageReporters: ["text", "lcov", "html"],
  moduleFileExtensions: ["ts", "tsx", "js", "jsx", "json"],
  moduleNameMapper: {
    "^@/(.*)$": "<rootDir>/src/$1",
  },
  reporters: [
    "default",
    [
      "jest-junit",
      {
        outputName: "jest-junit.xml",
        ancestorSeparator: " › ",
        uniqueOutputName: false,
        suiteNameTemplate: "{filepath}",
        classNameTemplate: "{classname}",
        titleTemplate: "{title}",
      },
    ],
  ],
};