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react-redux-help-kit

v2.1.5

Published

React + Redux utils to improve Development Experience.

Downloads

1,350

Readme

react-redux-help-kit

React + Redux utils to improve Development Experience.

Installation

npm install react-redux-help-kit

or

yarn add react-redux-help-kit

Usage

Async helpers

Set of hooks and rules to easily control loading, error and success state of async call.

Add asyncReducers to your combineReducers function

import { combineReducers } from 'redux'
import { asyncReducers } from 'react-redux-help-kit'

const rootReducer = combineReducers({
    ...asyncReducers,
    // your others reducers
})

That's it!

From now to have loading, error or success states of async actions you need to follow simple _REQUEST, _SUCCESS, _FAILURE rule while creating acions.

Example:


// actions.ts

export const FETCH_TODO_DATA_REQUEST = 'FETCH_TODO_DATA_REQUEST';
export const FETCH_TODO_DATA_SUCCESS = 'FETCH_TODO_DATA_SUCCESS';
export const FETCH_TODO_DATA_FAILURE = 'FETCH_TODO_DATA_FAILURE';



export const FETCH_USER_DATA_REQUEST = 'FETCH_USER_DATA_REQUEST';
export const FETCH_USER_DATA_SUCCESS = 'FETCH_USER_DATA_SUCCESS';
export const FETCH_USER_DATA_FAILURE = 'FETCH_USER_DATA_FAILURE';
// middleware.ts

import { fetchTodos } from 'api'

export export const fetchTodoMiddleware = store => next => async action => {
    if(action.type === FETCH_TODO_DATA_REQUEST) {
        try {
            const data = await fetchTodos() 
            store.dispatch({ type: FETCH_TODO_DATA_SUCCESS, payload: data })
        } catch (e) {
            store.dispatch({ type: FETCH_TODO_DATA_FAILURE, payload: e })
        }
    }

    next(action)
}
// TodoListComponent.tsx
import { useRequestLoading, useRequestError } from 'react-redux-help-kit';

import { FETCH_TODO_DATA_REQUEST, FETCH_USER_DATA_REQUEST } from './actions';

export const TodoListComponent = () => {
    // loading status will be updated accordinly to success or failure of request
    const { loading } = useRequestLoading(FETCH_TODO_DATA_REQUEST); 
    const { loading: userRequestLoading } = useRequestLoading(FETCH_USER_DATA_REQUEST); 

    // if error you can handle it
    const { error, clearError } = useRequestError(FETCH_TODO_DATA_REQUEST); 
    const { error: userRequestError } = useRequestError(FETCH_USER_DATA_REQUEST); 

    useEffect(() => {
        if(error) {
            // notify user or do something with error
            clearError()
        }
    }, [error])

    useRequestError(FETCH_TODO_DATA_REQUEST, () => {
        // this callback will be called if fetching todos was successful
    });

    return // JSX
}

To change error type you can re-assign it locally:

const { error } = useRequestError<ICustomError>( /* action */ ); 

Or globally:

// create src/@types/react-redux-help-kit/index.d.ts

import 'react-redux-help-kit';
import {Action} from 'react-redux-help-kit';

declare module 'react-redux-help-kit' {
  export function useRequestError<T extends ICustomError>(
    action: Action,
  ): {
    error: T | null;
    clearError: () => void;
  };
}