39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
import React, { useEffect, useState } from 'react';
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import axios from 'axios';
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import DropDownSelect from '../components/drop-down-select';
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const Home = () => {
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//handle state
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const [list, setList] = useState([]);
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const [chosenValue, setChosenValue] = useState('');
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/*fetch data in a JavaScript function*/
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const getData = async () => {
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try {
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/*TODO handle errors: https://www.valentinog.com/blog/await-react/*/
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const rsp = await axios.get('http://universities.hipolabs.com/search?country=United+Kingdom');
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/*set state*/
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setList(rsp.data);
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} catch (err) {
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console.log('err.message: ' + err.message);
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}
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};
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/*this hook is run after a DOM update. Changing state migh result in an infinite loop*/
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/*hook need to be placed in body of the function component in which it is used*/
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useEffect(() => {
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/*effect goes here*/
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getData();
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/*use an empty dependency array to ensure the hook is running only once*/
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/*TODO study dependency array: https://reactjs.org/docs/hooks-effect.html*/
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}, []);
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return (
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<>
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<DropDownSelect name="University" options={list}/>
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</>
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);
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}
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export default Home
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