2023年11月

daisyUI

https://daisyui.com daisyUI — Tailwind CSS Components WebdaisyUI is a plugin for Tailwind CSS. It works on all JS frameworks and doesn't need a JS bundle file. Install daisyUI as a dev dependency and use the class names just like any …

Chakra UI

https://chakra-ui.com Chakra UI - A simple, modular and accessible component … WebCreate accessible React apps. with speed. Chakra UI is a simple, modular and accessible component library that gives you the building blocks you need to build your React applications.

mantine (UI)

https://mantine.dev/

Global web icon

react-icons.github.io https://react-icons.github.io/react-icons React Icons - GitHub Pages WebReact Icons. Include popular icons in your React projects easily with react-icons, which utilizes ES6 imports that allows you to include only the icons that your project is using. …

tabler-icons

https://tabler-icons.io/

Over 4850 pixel-perfect icons for web design Free and open source icons designed to make your website or app attractive, visually consistent and simply beautiful.

Introduction to Immer

GitHub Pages https://immerjs.github.io › immer Immer (German for: always) is a tiny package that allows you to work with immutable state in a more convenient way. ‎React & Immer · ‎Using produce · ‎Supporting immer · ‎Installation

hooks

immer

https://zhuanlan.zhihu.com/p/639089491

use-immer库的高级用法下面我们将介绍use-immer库的高级用法，包括：

3.1 使用produce函数 produce函数是use-immer库中最重要的函数之一。它可以帮助我们更加方便地管理和更新JavaScript对象和数组。下面是一个简单的例子：

import { produce } from 'immer';
const state = {
  todos: [
    { id: 1, text: 'Learn React', completed: true },
    { id: 2, text: 'Learn use-immer', completed: false },
  ],
};
const nextState = produce(state, draftState => {
  draftState.todos.push({ id: 3, text: 'Learn Redux', completed: false });
});
console.log(nextState.todos);

在上面的例子中，我们使用了produce函数来更新state中的todos数组。我们可以看到，使用produce函数可以帮助我们更加方便地更新JavaScript对象和数组。

react snippets

a quick way to create a code template for a component or etc...

rcc

refs

ref is a reference to a element but ref maybe null

react-hook-form

transform several properties

const obj = {
    className: "none",
    size: 14,
    color: "red"
}

<Comp
    { ... obj }
/>

equals

<Comp
    className={obj.className}
    size={obj.size}
    color={obj.color}
/>

... means    loop the obj and set each key to the value

zod , joi , ... validation libs

import { z } from 'zod';

// create the limites
const schema = z.object({
    name: z.string().min(3, {"message":"at least 3 characters."}),
    age: z.number({invalid_type_error:"required"}).min(18) // the api shoud be mobile and ...
})

// create the  interface for data
type FormData = Formz.infer<typeof schema>;

@hookform/resolvers

const {
    register,
    handleSubmit,
    formState: {errors,isValid}
} = 
useForm<FormData>( { resolver: zodResolver(schema) } );

useEffect()

useEffect is similar to a "OnRendered" Callback when JSX modules is rendered then react call this function

finally()

the finally method will be called both succeed or failed when fetch on axios

?. optional link

seemly to swift syntax

obj?.type means obj && obj.type

Abort Signal

Mozilla Developer https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal AbortSignal - Web APIs | MDN WebAug 4, 2023 · English (US) AbortSignal. The AbortSignal interface represents a signal object that allows you to communicate with a DOM request (such as a fetch request) and abort it …

const controller = new AbortController();
const signal = controller.signal;

const url = "video.mp4";
const downloadBtn = document.querySelector(".download");
const abortBtn = document.querySelector(".abort");

downloadBtn.addEventListener("click", fetchVideo);

abortBtn.addEventListener("click", () => {
  controller.abort();
  console.log("Download aborted");
});

function fetchVideo() {
  fetch(url, { signal })
    .then((response) => {
      console.log("Download complete", response);
    })
    .catch((err) => {
      console.error(`Download error: ${err.message}`);
    });
}

Array.reduce()

Mozilla Developer https://developer.mozilla.org/.../Array/Reduce Array.prototype.reduce() - JavaScript | MDN - MDN Web … WebSep 14, 2023 · Array.prototype.reduce () Try it. The reducer walks through the array element-by-element, at each step adding the current array value to the... Syntax.

JavaScript Array filter()

WebThe filter () method creates a new array filled with elements that pass a test provided by a function. The filter () method does not execute the function for empty elements.

react - note