module.exports = {

  "roots": [

    "<rootDir>/src"

  ],

  "transform": {

    "^.+\\.tsx?$": "ts-jest"

  },

  "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$",

  "moduleFileExtensions": [

    "ts",

    "tsx",

    "js",

    "jsx",

    "json",

    "node"

  ]

}

export const sum = (...args) => args.reduce((acc, val) => acc+val, 0)

import {sum } from "./foo";

test("basic", () => {expect(sum()).toBe(0)})

test("basic begin", () => {expect(sum(1,2,3)).toBe(6)})

import { configure } from 'enzyme';

import * as Adapter from 'enzyme-adapter-react-16';

configure({ adapter: new Adapter() });

module.exports = {

  "roots": [

    "<rootDir>/src"

  ],

  "setupFileAfterEnv": ["<rootDir>/setup-test.ts"]

  "transform": {

    "^.+\\.tsx?$": "ts-jest"

  },

  "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$",

  "snapshotSerializers": ["enzyme-to-json/serializer"],

  "moduleFileExtensions": [

    "ts",

    "tsx",

    "js",

    "jsx",

    "json",

    "node"

  ]

}