rs-toolchain/jest.config.json

{
    "clearMocks": true,
    "moduleFileExtensions": ["js", "ts"],
    "testEnvironment": "node",
    "testMatch": ["**/*.test.ts"],
    "testRunner": "jest-circus/runner",
    "transform": {
        "^.+\\.ts$": "ts-jest"
    },
    "verbose": true
}