Common mistakes with React Testing Library
Common mistakes with React Testing LibraryMay 4th, 2020 — 15 min read Hi there 👋 I created React Testing Library because I wasn't satisfied with the testing landscape at the time. It expanded to DOM Testing Library and now we have Testing Library implementations (wrappers) for every popular JavaScript framework and testing tool that targets the DOM (and even some that don't). As time has gone on,
useState lazy initialization and function updates
useState lazy initialization and function updatesAugust 3rd, 2020 — 8 min read If you've been working with React for a while, you've probably used useState. Here's a quick example of the API: function Counter() { const [count, setCount] = React.useState(0) const increment = () => setCount(count + 1) return <button onClick={increment}>{count}</button> } So, you call useState with the initial state
Use react-error-boundary to handle errors in React
Use react-error-boundary to handle errors in ReactJuly 20th, 2020 — 8 min read What's wrong with this code? import * as React from 'react' import ReactDOM from 'react-dom' function Greeting({subject}) { return <div>Hello {subject.toUpperCase()}</div> } function Farewell({subject}) { return <div>Goodbye {subject.toUpperCase()}</div> } function App() { return ( <div> <Greeting /> <Farewell /> </div>
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The Testing Trophy and Testing Classifications
