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Fetch data using useReducer
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| import React, { useReducer, useEffect } from 'react' | |
| import axios from 'axios' | |
| const initialState = { | |
| loading: true, | |
| error: '', | |
| post: {} | |
| } | |
| const reducer = (state, action) => { | |
| switch (action.type) { | |
| case 'FETCH_SUCCESS': | |
| return { | |
| loading: false, | |
| post: action.payload, | |
| error: '' | |
| } | |
| case 'FETCH_ERROR': | |
| return { | |
| loading: false, | |
| post: {}, | |
| error: 'Something went wrong!' | |
| } | |
| default: | |
| return state | |
| } | |
| } | |
| function DataFetchingTwo() { | |
| const [state, dispatch] = useReducer(reducer, initialState) | |
| useEffect(() => { | |
| axios | |
| .get(`https://jsonplaceholder.typicode.com/posts/1`) | |
| .then(response => { | |
| dispatch({ type: 'FETCH_SUCCESS', payload: response.data }) | |
| }) | |
| .catch(error => { | |
| dispatch({ type: 'FETCH_ERROR' }) | |
| }) | |
| }, []) | |
| return ( | |
| <div> | |
| {state.loading ? 'Loading' : state.post.title} | |
| {state.error ? state.error : null} | |
| </div> | |
| ) | |
| } | |
| export default DataFetchingTwo |
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