RomainBitard

// npm install tslint-immutable --save-dev
// tslint.json
{
  "extends": ["tslint-immutable"],
  "rules": {

    // Recommended built-in rules
    "no-var-keyword": true,
    "no-parameter-reassignment": true,
    "typedef": [true, "call-signature"],

RomainBitard

// taken from https://www.youtube.com/watch?v=MSpDAuDPqNw
import OtherPage from "./OtherPage";
import {fireEvent, render, screen, waitFor} from "@testing-library/react";
import {DataMuseApiContext} from "./SomeLayout";

describe('the page', () => {
    it('should do stuff', async () => {
        const logSpy = jest.spyOn(console, 'log') // never do that :p 
        render(<DataMuseApiContext.Provider value={{
                async getWordsSoundingLike(word: string) {

RomainBitard

// idea from https://medium.com/@dan_abramov/you-might-not-need-redux-be46360cf367
import './App.css';
import React, {useState} from "react";

interface ActionType {
    type: string;
}

function CounterReducer(state = {value: 0}, action: ActionType = {type: ""}) {
    switch (action.type) {