jest.config.ts

module.exports = {
  roots: ["<rootDir>/src"],
  testMatch: [
    "**/__tests__/**/*.+(ts|tsx|js)",
    "**/?(*.)+(spec|test).+(ts|tsx|js)"
  ],
  transform: {
    "^.+\\.(ts|tsx)$": "ts-jest"
  },
  testEnvironment: "node",
  preset: "ts-jest",
  moduleNameMapper: {
    "^@/(.*)$": "<rootDir>/src/$1"
  }
};