随笔分类 - React
摘要：Error Boundaries are the way you handle errors with React, and Suspense embraces this completely. Let's take a look at how to handle asynchronous erro
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摘要：React is really good at creating and updating DOM elements, but sometimes you need to work with them yourself. A common use case for this is when you’
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摘要：Something that’s important to recognize is that every time you call the state updater function (like the setName function in our component), that will
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摘要：Sometimes you have some boilerplate for components that would be nice to abstract away slightly with a simple helper function. In this lesson we'll le
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摘要：Returning null will not update state and trigger a component re-render Example: updateMocktail = mocktail => { const newMocktail = mocktail; this.setS
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摘要：You can have a Box element, which just used for create other element or layout: // example Box.js import styled from 'styled-components' import { spac
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摘要：In this lesson we’ll improve a generic button primitive component by refactoring it with Styled System to simplify the implementation. The naïve style
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摘要：Similar to Storybook, react-styleguidist is used to show the custom UI elements. It is easy to setup and use, it uses markdown file as example page: i
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摘要：In this lesson, we're going to show how RecoilJS selectors are used to display computed data in React. While atoms are the go-to state objects in Reco
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摘要：We have a message app: function App() { const messageDisplayRef = React.useRef() .... const scrollToTop = () => messageDisplayRef.current.scrollToTop(
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摘要：Instead of just returning a value from a recoil selector, you can return any promise, which means that you can do asynchronous functions in recoil sel
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摘要：Environment variables are a standard way to configure variables in your app based on the current environment (development, test, production). This les
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摘要：const useResetScore = () => { const [score, setScore] = useRecoilState(gameScore) return () => { setScore(0) } } ... const resetScore = useResetScore(
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摘要：Recoil allows us to use atoms in order to store pieces of state. More often than not in our apps we need to use data that derives from our application
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摘要：Recoil is a brand new state management library for React developed by Facebook. In this quick lesson we're going to learn how to add it to a React app
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摘要：Folder structure: | __mocks__ | api | pet.js | src | api | pet.js __mocks__/api/pet.js // __mocks__/api/pet.js import { readFileSync } from 'fs' impor
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摘要：As a beginner of React, might have the confuses with 'useMemo' and 'React.memo': 'useMemo': When using functional components in React we may run into
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摘要：For development, we'll be using a separate server address to reach our REST endpoints. In a production build, this will likely be a different address,
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摘要：It's always important to test your code, especially if you're open-sourcing it for others to use. In this video, we'll learn how to use react-hooks-te
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摘要：When you use a React Portal, much of your component can be rendered outside the main DOM tree. Let’s see how we can use utilities provided by React Te
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