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how to use lodash debounce with react redux rtk ,useMemo, useRef

Er. Anil Kumar Thakur answered on April 29, 2023 Popularity 2/10 Helpfulness 1/10

answer how to use lodash debounce with react redux rtk ,useMemo, useRef

how to use lodash debounce with react redux rtk ,useMemo, useRef

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import { useEffect, useState, useRef, useMemo } from 'react'
import { useDispatch, useSelector } from "react-redux";
import { fetchPosts } from "./redux/slice/postsSlice.js";
import { debounce } from "lodash";


function App() {
    const dispatch = useDispatch();
    const [filters, setFilters] = useState({});
    const { data } = useSelector((state) => state.posts);


    const debouncedFilters = useRef(debounce((filters) =>
        dispatch(fetchPosts(filters)), 500)).current;


    useEffect(() => {
        debouncedFilters(filters);
    }, [filters, debouncedFilters]);

    const handleFilters = ({ target }) => {
        const { name, value } = target;
        setFilters((prevData) => ({
            ...prevData,
            [name]: value,
        }));
    };

    const memoizedData = useMemo(() => data, [data]);

    return (
        <div className="row">
            <div className="form-floating mb-3">
                <input
                    type="email"
                    name="queryFilter"
                    value={filters.queryFilter ?? ''}
                    onChange={handleFilters}
                    className="form-control"
                    id="floatingInput"
                    placeholder="name@example.com"
                />
                <label htmlFor="floatingInput">Email address</label>
            </div>
            <div className="row bg-dark rounded-4">
                {memoizedData.map((item, index) => (
                    <div className="col-lg-2 col-md-4 col-sm-6 col-12 g-4" key={index}>
                        <div className="card rounded-4">
                            <div className="card-body">
                                <h5 className="card-title">{item.name}</h5>
                                <a href="#" className="btn btn-primary">
                                    Read More →
                                </a>
                            </div>
                            <div className="card-footer text-muted">
                                Posted on {item.created_at} by John Doe
                            </div>
                        </div>
                    </div>
                ))}
            </div>
        </div>
    );
}

export default App


//postsReducer File 
import {createAsyncThunk,createSlice} from "@reduxjs/toolkit";
import {apiUrl} from "../../utils/api.js";
import axios from "axios";


const  initialState = {
    data: [],
    formData:{},
    loading: false,
    error: {},
    pagination:{
        page:1,
        rowsPerPage:20,
        sortBy:"id",
        descending:true
    },
    filters:{

    }
}

 const fetchPosts = createAsyncThunk(
    'posts/fetch',
    async (payload,{
        rejectWithValue,getState,dispatch
    } ) => {
        const res= await axios.get(`${apiUrl}/posts`,{
            params:{
            filters:JSON.stringify(payload)
        }})
        return res.data

    })
const fetchPostsDetail = createAsyncThunk(
    'posts/fetchDetail',
    async () => {
        const res= await axios.get(`${apiUrl}/posts`)
        return res.data

    })

const postsSlice= createSlice({
    name: "posts",
    initialState,
    reducers:{

    },
    extraReducers:(builder)=>{

        builder.addCase(fetchPosts.pending,(state)=>{
            state.loading = true
        })
        builder.addCase(fetchPosts.fulfilled,(state,action)=>{

            state.loading = false
            state.data = action.payload.data
        })
        builder.addCase(fetchPosts.rejected,(state,action)=>{
            console.log('---------data logging--------',action.payload);
            state.loading = false
            // state.error = action.payload.error
        })
        builder.addCase(fetchPostsDetail.pending,(state)=>{
            state.loading = true
        })
        builder.addCase(fetchPostsDetail.fulfilled,(state,action)=>{
            state.loading = false
            state.formData = action.payload.data
        })
        builder.addCase(fetchPostsDetail.rejected,(state,action)=>{
            console.log('---------data logging--------',action.payload);
            state.loading = false
            // state.error = action.payload.error
        })
    }
})

const postsReducer=postsSlice.reducer

export  default postsReducer

export  {
    fetchPosts,
    fetchPostsDetail
}

Popularity 2/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: debounce javascript lodash react-redux rtk use-ref

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Contributed on Apr 29 2023

Er. Anil Kumar Thakur

0 Answers Avg Quality 2/10

how to use lodash debounce with react redux rtk ,useMemo, useRef

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