View order.js
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const order = (posts) => { | |
return posts.sort((a, b) => { | |
return b.get("createdAt") - a.get("createdAt"); | |
}); | |
}; | |
return ( | |
<div className="App"> | |
<header className="app-header"> | |
<img className="logo" alt="back4app's logo" src={'https://blog.back4app.com/wp-content/uploads/2019/05/back4app-white-logo-500px.png'} /> |
View descending.js
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const parseQuery = new Parse.Query('Post'); | |
parseQuery.descending("createdAt"); |
View FinalHome.js
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import {useEffect, useState } from 'react' | |
import {useHistory} from 'react-router-dom'; | |
import Parse from 'parse'; | |
import './Home.css' | |
import {useParseQuery} from '@parse/react'; | |
export default function Home() { | |
const [postText, setPostText] = useState(''); | |
const history = useHistory(); |
View handleSubmitPost.js
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const handleSubmitPost = (e) => { | |
e.preventDefault(); | |
const Post = Parse.Object.extend("Post"); | |
const newPost = new Post(); | |
newPost.save({ | |
text: postText, | |
authorName: Parse.User.current().get('username'), | |
}); | |
setPostText(""); | |
}; |
View Home.js
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import {useEffect, useState } from 'react' | |
import {useHistory} from 'react-router-dom'; | |
import Parse from 'parse'; | |
import './Home.css' | |
import {useParseQuery} from '@parse/react'; | |
export default function Home() { | |
const [postText, setPostText] = useState(''); | |
const history = useHistory(); |
View data.js
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{results && results.map((user,index) => ( | |
<div className="post" key={index}> | |
<span>{user.get('authorName')}</span> | |
<p>{user.get('text')}</p> | |
</div>))} |
View useParseQuery.js
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const { | |
isLive, | |
isLoading, | |
isSyncing, | |
results, | |
count, | |
error, | |
reload | |
} = useParseQuery( | |
parseQuery |
View Home.js
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import {useEffect } from 'react' | |
import {useHistory} from 'react-router-dom'; | |
import Parse from 'parse'; | |
import './Home.css' | |
import {useParseQuery} from '@parse/react'; | |
export default function Home() { | |
const history = useHistory(); |
View Home.js
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import {useEffect } from 'react' | |
import {useHistory} from 'react-router-dom'; | |
import Parse from 'parse'; | |
import './Home.css' | |
export default function Home() { | |
const initialPosts = [{ | |
userName: 'User 1', | |
post: "Hi, I'm a placeholder" |
View handleRegister.js
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const handleRegister = () => { | |
const user = new Parse.User(); | |
user.set('username', userName); | |
user.set('password', password); | |
user.signUp().then(() => { | |
handleLogin(); | |
}).catch(err => alert(err.message)); | |
}; |
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