n8rzz

const { createJestConfig, jestConfig } = require('./jest.base.config');

const extendedConfig = {
  ...jestConfig,
  rootDir: '../../',
  testRegex: '.(store|GlobalStore).test.ts$',
};

module.exports = createJestConfig(extendedConfig);

n8rzz

const { createJestConfig, jestConfig } = require('./jest.base.config');

const extendedConfig = {
  ...jestConfig,
  rootDir: '../../',
  testRegex: '.test.ts$',
  testPathIgnorePatterns: [
    ...jestConfig.testPathIgnorePatterns,
    '^.+\\.(featureFlags|store|stores|services|utils)\\.test.t(s|x)$',
  ],

n8rzz

/**
 * src/App.tsx
 */
import "./styles.css";
import React from "react";
import { Card } from "./Card";

interface IProps {}

export const App: React.FC<IProps> = (props) => {

n8rzz

import React from "react";
import { render } from "@testing-library/react";
import { Card } from "./Card";

describe("Card", () => {
  test("does not throw", () => {
    const { queryByText } = render(<Card />);

    expect(() => queryByText("Card")).not.toThrow();
  });

n8rzz

import "./styles.css";
import React from "react";

interface IProps {}

export const Card: React.FC<IProps> = (props) => {
  return <div className="card">Card</div>;
};
  
Card.dispalyName = "Card";

n8rzz

// bad
function displayName(name) {
  if (name) {
    return name;
  }

  return '';
}

// good

n8rzz

describe('.max()', () => {
    describe('when `valueOne` is equal to `valueTwo`', () => {
        test('should return `valueOne`', () => {
            const valueOneMock = 1;
            const valueTwoMock = 2;
            const result = max(valueOneMock, valueTwoMock);

            expect(result).toEqual(valueOneMock);
        });
    });

n8rzz

describe('.max()', () => {
    describe('when `valueOne` is equal to `valueTwo`', () => {
        test('should return `valueOne`', () => {
            const result = max(1, 1);

            expect(result).toEqual(1);
        });
    });

    describe('when `valueOne` is less than `valueTwo`', () => {

n8rzz

lsof -i tcp:PORT_NUMBER   # list processes using PORT_NUMBER
kill -9 PID               # kill process with pid PID

n8rzz

export enum ExperimentName {
  a = 'a',
  b = 'b',
}

export type Experiment = {
  [key in ExperimentName]: React.ReactNode;
};

interface IProps extends Experiment {