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Easy State Management For React With Classes

Package Exports

  • react-class-state

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (react-class-state) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

React Class State (react-class-state)

Very small, fast, and unopinionated. You can use just like you want, state-rerenders are minimum especially if you use state.watchState(). Everything is type supported and smooth!


Usage

First, create a React app, then paste this to your console:

// For NPM
npm install react-class-state

// For Yarn
yarn add react-class-state

Creating State

import ClassState from "react-class-state"
import { ITodo } from "./types/ITodo"

class TodoState extends ClassState {
  todos: ITodo[] = []

  // If you want, you can use actions inside the class, if you want you can also follow the next usages
  async fetchTodos() {
    const response = await fetch("https://jsonplaceholder.typicode.com/todos")
    this.setState(async (state) => (state.todos = await response.json()))
  }
}
const todoState = new TodoState()
todoState.fetchTodos()

Other Way To Change State

// You can change the state from anywhere, in regular files or inside class components/function components
const response = await fetch("https://jsonplaceholder.typicode.com/todos")
todoState.setState(async (state) => (state.todos = await response.json()))  */

Usage

import React from "react"
import {todoState} from "./TodoState"

const App: React.FC = () => {
  const { todos } = todoState.getState()
  return (
    <div>
      {todos.map((todo) => (
        <div key={todo.id}>{todo.title}</div>
      ))}
    </div>
  )
}

export default App

Changing state inside components

const App: React.FC = () => {
  const { setState } = todoState.getState()
  useEffect(() => {
    ;(async () => {
      const response = await fetch("https://jsonplaceholder.typicode.com/todos")
      todoState.setState(async (state) => (state.todos = await response.json()))
    })()
  }, [])
  return <h1>React Class State</h1>

}

You can use the system however you want.

// If you use 'todoState.watchState()' in your parent, you don't need to use it in another file.
export const OtherUse: React.FC = () => {
  todoState.watchState()

  return (
    <div>
      {todoState.todos.map((todo) => (
        <div key={todo.id}>{todo.title}</div>
      ))}
    </div>
  )
}