My component is never read, in my React code - reactjs

Component, myImage is never read.
import React from 'react';
import { Box } from "#mui/material";
import { Link } from 'react-router-dom';
import myImage from './Profile/Profile.myImage';
const HomeProfile = () => {
return (
<Box sx={{ border: '1px dashed grey' }}>
<myImage />
<Link to="/app/profile" className="red btn-flat white-text">
Change Profile
</Link>
</Box>
)
}
export default HomeProfile;
This is the file './Profile/Profile.myImage':
import React, { Component } from 'react';
import { connect } from 'react-redux';
import { fetchProfile } from '../../../actions';
import { Image } from 'react-bootstrap';
import axios from 'axios';
class myImage extends Component {
componentDidMount() {
this.props.fetchProfile();
}
async renderMyImage() {
const imageDir = await axios.get('/api/profile');
return (
<div>
<h1>hello</h1>
<Image src={imageDir.profileImg.type} />
</div>
);
}
render() {
return (
<div>
<div>{this.renderMyImage()}</div>
<h1>bye</h1>
</div>
);
}
}
function mapStateToProps({ user }) {
return { user };
}
export default connect(mapStateToProps, {fetchProfile})(myImage);
In the route.js, app.get('/api/profile') is defined like this.
however, nothing appears in the console.
app.get('/api/profile', requireLogin, async(req, res) => {
console.log('test: api/profile');
const profile = await User.find({ _user: req.user.id });
res.send(profile);
})
I thought, something was wrong in the function 'renderMyImage()', so I added "hello" and "bye", but still, nothing is on the view, while other components can be seen on the screen.

axios is async so renderMyImage should be an async function.
Have you tried
async renderMyImage() {
const imageDir = await axios.get('/api/profile');
return (
<div>
<h1>hello</h1>
<Image src={imageDir.profileImg.type} />
</div>
);
}

Related

products is not a function after destructuring

I have my homepage where I received the products with the redux method but I did not want to render them on the home page so I did it with a single product component, but again I wanted to display the products in react-Alice-carousel I sent the products in the homepage through props and destrusctured it in the Single product and tried to create the items props of react-alice-carousel through jsx but got an error product.map is not a function.
My Single Product Component.
import React from "react";
import AliceCarousel from "react-alice-carousel";
// import { Button, Card, Container } from "react-bootstrap";
// import { FaShoppingCart } from "react-icons/fa";
// import { useDispatch, useSelector } from "react-redux";
import { Link } from "react-router-dom";
// import { AddToCartAction, RemoveFromCart } from "../../actions/cartActions";
import UICARD from "../../interface/UICARD";
// import classes from "./home.module.css";
export function numberWithComas(x) {
return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}
const SingleProduct = ({ product }) => {
const items = product.map((p) => {
return (
<Link to={`/product/${p._id}`}>
<UICARD>
<img src={p.image} alt={p.name} />
<span>
{p.name}
<span>{p.description}</span>
</span>
<span>{p.price}</span>
</UICARD>
</Link>
);
});
const responsive = {
0: {
items: 4,
},
512: {
items: 6,
},
};
return (
<div>
<AliceCarousel
items={items}
disableDotsControls
infinite
mouseTracking
responsive={responsive}
/>
</div>
);
};
export default SingleProduct;
My Home Page
import React, { useEffect } from "react";
import { useDispatch, useSelector } from "react-redux";
import { Products } from "../../actions/productsActions";
import ErrorMessage from "../../helpers/ErrorMessage";
import Loading from "../../helpers/Loading";
import SideBar from "../Home/SideBar";
import SingleProduct from "../Home/SingleProduct";
import classes from '../Home/home.module.css'
const Home = () => {
const dispatch = useDispatch();
const productList = useSelector((state) => state.productList);
const { products, error, loading } = productList
console.log(products);
useEffect(() => {
dispatch(Products());
},[dispatch])
return (
<div className ={classes.home}>
{error && <ErrorMessage variant={error.info?"info":"danger"}>{error}</ErrorMessage>}
{loading && <Loading />}
<SideBar />
<div className={classes.productContainer}>
{
products.map((product) => {
return <SingleProduct product={product} key={product._id} />
})
}
</div>
</div>
);
};
export default Home;
You need to change you home compoent like that since singleProduct need to have a props peroduct as an array , i recommand to use prop-types to avoid this kind of problems
import React, { useEffect } from "react";
import { useDispatch, useSelector } from "react-redux";
import { Products } from "../../actions/productsActions";
import ErrorMessage from "../../helpers/ErrorMessage";
import Loading from "../../helpers/Loading";
import SideBar from "../Home/SideBar";
import SingleProduct from "../Home/SingleProduct";
import classes from '../Home/home.module.css'
const Home = () => {
const dispatch = useDispatch();
const productList = useSelector((state) => state.productList);
const { products, error, loading } = productList
console.log(products);
useEffect(() => {
dispatch(Products());
},[dispatch])
return (
<div className ={classes.home}>
{error && <ErrorMessage variant={error.info?"info":"danger"}>{error}</ErrorMessage>}
{loading && <Loading />}
<SideBar />
<div className={classes.productContainer}>
<SingleProduct product={products} />
</div>
</div>
);
};
export default Home;

Type '{ children: Element; }' has no properties in common with type 'IntrinsicAttributes' React -typescript Context

I'm currently coding a React -typescript App for practising FluentUI (a.k.a Fabric). Issue appears
with my App.tsx component.
import React, { useContext, useState } from 'react';
import logo from './logo.svg';
import './App.css';
import Search from './components/Search';
//import CategoriasProvider from './components/Context/CategoriasContext';
import Title from './components/Title';
import { ListGhostingExample } from '../src/components/DrinkList';
import { PrimaryButton } from 'office-ui-fabric-react';
import { CategoriasContext, ICategoriasContextInterface } from './components/Context/CategoriasContext';
import CategoriasProvider from './components/Context/CategoriasContext';
import axios from 'axios';
import './components/DrinkList.css'
import './components/Search.css'
interface IApp{
items:ICategoriasContextInterface[],
renderList:boolean
}
const App =()=> {
const contextValues=useContext(CategoriasContext);
return(
<CategoriasProvider>
<div className="App">
<div className="search">
<Search name={contextValues?.name} image={contextValues?.image} thumbnail={contextValues?.thumbnail} />
</div>
</div>
</CategoriasProvider>
);
}
export default App;
CategoriasProvider comes from a Context (CategoriasContext.tsx ). CategoriasProvider has the mentioned error Inside of CategoriasProvider there's a Search.tsx Component.Search's works as a "wrapper". Code is:
import React, { useEffect, useState } from 'react';
import { SearchBox,ISearchBoxStyles } from 'office-ui-fabric-react/lib/SearchBox';
import { PrimaryButton, IContextualMenuProps, Stack, IStackTokens, StackItem, initializeIcons } from 'office-ui-fabric-react';
import { ComboBox, DefaultPalette, Dropdown, DropdownMenuItemType, IComboBoxOption, IDropdownOption, IDropdownStyles, IStackItemStyles, SelectableOptionMenuItemType, Toggle } from '#fluentui/react';
import { getGlassesOriginal } from './Utils/Utils';
import axios from 'axios';
import '../Search.css';
import { CategoriasContext, ICategoriasContextInterface } from './Context/CategoriasContext';
initializeIcons();
const Search = (props:ICategoriasContextInterface) => {
//State
const [textContent, setTextContent] = useState("");
const [textBoxDisabled,disableTextBox]=useState(false);
const [comboBoxDisabled,disableComboBox]=useState(true);
const CategoriasContextInSearch=React.useContext(CategoriasContext);
const setTextContentInstate = (e: any) =>{
console.log("Contenido de e" + e.target.value);
setTextContent(e.target.value);
}
const showMessageInConsole = ():void => {
console.log(textContent);
setTextContent("");
}
// Example formatting
const stackTokens: IStackTokens = { childrenGap: 20 };
const searchBoxStyles: Partial<ISearchBoxStyles> = { root: { width: 200 } };
const dropdownStyles: Partial<IDropdownStyles> = {
dropdown: { width: 200 },
};
const options: IDropdownOption[] = [
{ key: 'glasses', text: 'Glasses', itemType: DropdownMenuItemType.Header },
];
function getGlasses () {
let outputArray:string[] = [];
console.log("getGlasses");
axios
.get("https://www.thecocktaildb.com/api/json/v1/1/list.php?g=list")
.then((response)=>{
let responseDataJson=response.data.drinks;
for (let element in responseDataJson) {
options.push({key:responseDataJson[element].strGlass,text:responseDataJson[element].strGlass});
}
}
)
return outputArray;
}
function selectSearch(){
if(textBoxDisabled){
disableTextBox(false);
disableComboBox(true);
} else {
disableTextBox(true);
disableComboBox(false);
};
}
useEffect(() => {
//TODO: No se debería llamar siempre a esta función. Solamente cuando se activa el sistmea de búsqueda (y además, cachearlo)
getGlasses()
});
return(
<div className="wrapper">
<div className="one"> <Toggle onClick={selectSearch}/></div>
<div className="two">
{
<SearchBox
name="searchBox"
className="searchBox"
styles={searchBoxStyles}
placeholder="Cheers!"
onChange={setTextContentInstate}
value={textContent}
disabled={textBoxDisabled}
/>
}
</div>
<div className="three">
<Dropdown
placeholder="Select a glass"
options={options}
styles={dropdownStyles}
disabled={comboBoxDisabled}
/>
</div>
<div className="four">
<div className="primaryButton">
<PrimaryButton text="Search" onClick={showMessageInConsole}/>
</div>
</div>
</div>
);
}
export default Search;
Hope you can help me!!! Thanks in advance!
The code which is causing the error in your title is in your comment. It's this line:
export const CategoriasProvider = () => {
You are defining CategoriasProvider as a component which takes no props. It can only accept IntrinsicAttributes which is basically just the key property.
But when you use CategoriasProvider in App you are calling it with JSX element children. You get an error because you have not said that the CategoriasProvider component can accept a children prop.
Any of the following types will solve your problem:
export const CategoriasProvider: React.FC = ({children}) => {
export const CategoriasProvider = ({children}: {children: React.ReactNode}) => {
export const CategoriasProvider = ({children}: React.PropsWithChildren<{}>) => {
Regardless, you'll want to pass the children down as children of the inner Provider component.
return (
<CategoriasContext.Provider value={hola}>
{children}
</CategoriasContext.Provider>
);
Your App component is not going to work as expected because the useContext hook which accesses the CategoriasContext is located outside of the CategoriasProvider. It will just get the default value for the context -- not the value from the provider.
You need to rearrange your components such that the hook call occurs in a component that is rendered inside of the CategoriasProvider.
Try this:
const Search = () => {
const contextValues = useContext(CategoriasContext);
return (
<div className="search">
<Search
name={contextValues?.name}
image={contextValues?.image}
thumbnail={contextValues?.thumbnail}
/>
</div>
);
};
const App = () => {
return (
<CategoriasProvider>
<div className="App">
<Search />
</div>
</CategoriasProvider>
);
};
export default App;

How to get a detailed overview of some articles

import React from 'react';
import axios from 'axios';
import { Card } from 'antd';
class ArticleDetail extends React.Component {
state = {
article: {}
}
componentDidMount() {
const articleID = this.props.match.params.articleID;
axios.get(`http://127.0.0.1:8000/api/${articleID}`)
.then(res => {
this.setState({
article: res.data
});
})
}
render() {
return (
<div>
<Card title={this.state.article.title}>
<p>{this.state.article.content}</p>
</Card>
</div>
)
}
}
export default ArticleDetail;
//Make sure on your article.js file under title link you use ` instead of '
<List.Item.Meta
avatar={<Avatar src={item.avatar} />}
title={<a href={`/${item.id}`}>{item.title}</a>} //here
description={item.description}
/>
{item.content}
</List.Item>`
//And under your routes.js file make sure the (article Id) is the same as the one you used on the Article-detail-view
exact path='/:articleID' component={ArticleDetail}

Show search result component in another route

I am working with the MovieDB API. I want to show now playing movies on the root route but search result in another route.
I have tried putting history.push() method in handlesubmit but it shows error. Here's the code. Currently I am showing search result component in the home page itself.
App.js
import React, { Component } from "react";
import "./App.css";
import { BrowserRouter, Link, Switch, Route } from "react-router-dom";
import Nav from "./component/Nav";
import axios from "axios";
import { Provider } from "./context";
import Home from "./component/Home";
import SearchResult from "./component/SearchResult";
import MovieDetails from "./component/movieDetails";
class App extends Component {
state = {
movieList: [],
searchResult: [],
currentpage: 1,
totalpage: 1,
API_KEY: "c51081c224217a3989b0bc0c4b3d3fff"
};
componentDidMount() {
this.getCurrentMovies();
}
getCurrentMovies = e => {
axios
.get(
`https://api.themoviedb.org/3/movie/now_playing?api_key=${
this.state.API_KEY
}&language=en-US&page=${this.state.currentpage}`
)
.then(res => {
this.setState({
movieList: res.data.results,
currentpage: res.data.page,
totalpage: res.data.total_pages
});
console.log(this.state);
});
};
getMovies = e => {
e.preventDefault();
const moviename = e.target.elements.moviename.value;
axios
.get(
`https://api.themoviedb.org/3/search/movie?api_key=${
this.state.API_KEY
}&query=${moviename}`
)
.then(res => {
this.setState({
searchResult: res.data.results
});
console.log(this.state.searchResult);
});
console.log(this.router);
};
nextPage = () => {
this.setState(
{
currentpage: (this.state.currentpage += 1)
},
() => console.log(this.state.currentpage)
);
this.getCurrentMovies();
};
prevPage = () => {
if (this.state.movieList && this.state.currentpage !== 1) {
this.setState(
{
currentpage: (this.state.currentpage -= 1)
},
() => console.log(this.state.currentpage)
);
this.getCurrentMovies();
}
};
render() {
const contextProps = {
myState: this.state,
getMovies: this.getMovies,
nextPage: this.nextPage,
prevPage: this.prevPage,
};
return (
<Provider value={contextProps}>
<BrowserRouter>
<Nav />
<Switch>
<Route exact path="/" component={Home} />
<Route path="/:id" component={MovieDetails} />
</Switch>
</BrowserRouter>
</Provider>
);
}
}
export default App;
Home.js
import React, { Component } from "react";
import NowPlaying from "./NowPlaying";
import SearchResult from "./SearchResult";
import SearchBox from "./SearchBox";
class Home extends Component {
state = {};
render() {
return (
<div>
<SearchBox />
<SearchResult />
<NowPlaying />
</div>
);
}
}
export default Home;
SearchBox.js
import React, { Component } from "react";
import { MyContext } from "../context";
import { withRouter } from "react-router-dom";
class SearchBox extends Component {
static contextType = MyContext;
render() {
return (
<React.Fragment>
<div className="jumbotron jumbotron-fluid">
<div className="container" style={{ textAlign: "center" }}>
<h1 className="display-4">Find your Movie</h1>
<p className="lead">
Find rating, descrips and much more of your fev. movie.
</p>
<form onSubmit={this.context.getMovies}>
<input
name="moviename"
className="form-control mr-sm-2"
type="search, submit"
placeholder="Search"
aria-label="Search"
style={{ height: "50px" }}
/>
</form>
</div>
</div>
<div />
</React.Fragment>
);
}
}
export default withRouter(SearchBox);
SearchResult.js
import React, { Component } from "react";
import Movie from "./movie";
import { withRouter } from "react-router-dom";
import { MyContext } from "../context";
import SearchBox from "./SearchBox";
class SearchResult extends Component {
static contextType = MyContext;
render() {
return (
<React.Fragment>
<div className="container">
<div className="row justify-content-center">
{this.context.myState.searchResult.map(movie => {
return <Movie id={movie.id} image={movie.poster_path} />;
})}
</div>
{/* <button>Prev</button>
<button>Next</button> */}
</div>
</React.Fragment>
);
}
}
export default SearchResult;
and another thing. The pagination works for Now Playing Movies but couldn't make it to work with search result. Please help.
You can pass data with Redirect like this:
<Redirect to={{
pathname: '/movies',
state: { id: '123' }
}}
/>
and this is how you can access it:
this.props.location.state.id

react component renders before sets the data as a prop, therefore it give me undefined value

im using react with react-redux and react-router. im working on my blog, in which i have a component with shows list of posts. so everything is working fine but when i get post.id in component it gives me undefined. on the other hand posts are passing to component from container.
please look into my code.
//home_container.js
import { connect } from 'react-redux'
import { show } from './actions'
import HomeComponent from './home_component'
const mapStateToProps = (state) => {
return {
posts: state.posts.data
}
}
const mapDispatchToProps = (dispatch) => {
return {
actions:{
showPosts: (page,limit) => {
show(dispatch,page,limit)
}
}
}
}
const HomeContainer = connect(
mapStateToProps,
mapDispatchToProps
)(HomeComponent)
export default HomeContainer
//home_component.js file
import React, {Component} from 'react';
import Paper from 'material-ui/Paper';
import Style from './styles.css'
import baseTheme from 'material-ui/styles/baseThemes/lightBaseTheme';
import getMuiTheme from 'material-ui/styles/getMuiTheme';
import FlatButton from 'material-ui/FlatButton';
import { Link } from 'react-router'
require('rc-pagination/assets/index.css');
const Pagination = require('rc-pagination');
const style = {
height: "100%",
margin: 10,
padding: 10,
display: 'inline-block',
};
var Detail = React.createClass({
render: function() {
return (
<div >
<div className="row">
<div >
<p>{this.props.post?this.props.post.body.substr(1,600):''}</p>
{this.props.post?
<span style={{"float":"right"}}>
<Link to={`/posts/${this.props.post.id}`}>
<FlatButton
label="Ready more"
labelPosition="before"
primary={true}
/>
</Link>
</span>
:''}
</div>
</div>
</div>
)
}
});
class Index extends Component {
getChildContext() {
return { muiTheme: getMuiTheme(baseTheme) };
}
componentDidMount(){
this.props.actions.showPosts(1,5)
}
render() {
return (
<div >
{this.props.posts.map((post,i) =>
<div className="row" key={i}>
<Paper
style={style}
zDepth={0}
children={<Detail post={post}/>}
/>
)}
</div>
);
}
}
Index.childContextTypes = {
muiTheme: React.PropTypes.object.isRequired,
};
export default Index;
i already check through react-redux inspector. i have posts in posts props of this component, which are sets by container through react redux.
so problem is in the following part of above code.
<Link to={`/posts/${this.props.post.id}`}>
<FlatButton
label="Ready more"
labelPosition="before"
primary={true}
/>
</Link>
Link to tag of react router generate url in this form posts/undefined. because it is considering that post.id is undefined. on the other hand each post have id property and i also checked it through inspection of posts objects.
so problem is in this line this.props.post.id

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