React Router : Dynamically url id

Question

How can I implement dynamic paths when I click on a link like in a picture?

The user clicks on the link and goes to the message section, then clicks on the link (Link) and goes to the desired component.

DATA:

const data = [
    {
        link: 'Link Name 1',
        text: 'Text 1',
        id: '1'
    },
    {
        link: 'Link Name 2',
        text: 'Text 2',
        id: '2'
    },
    {
        link: 'Link Name 3',
        text: 'Text 3',
        id: '3'
    }
    ];

App.js

<Switch>
 <Route exact path="/" component={AppHome}/>
 <Route exact path="/messages" component={AppMessages}/>
 <Route exact path="/messages/chat" component={AppMessageItems}/>
 <Route exact path="/messages/chat/:id" component={AppMessageItems}/>
</Switch>

Messages.js

const AppMessages = () => {
             <ul>
                {data.map(function(item, index) {
                    return (
                        <li key={index}>
                            <Link to='/messages/chat'><AppMessageUserList {...item} /></Link>
                        </li>);
                })}
            </ul>
}

AppMessageUserList

const AppMessageUserList = ( props ) => {
const {link} = props;
   return ( <div> {link} </div> );

}

AppMessageItems.js

const AppMessageItems = () => {
   return ( <h1> Hello World </h1> );

}

But when i try this code i get error when click to link.

try to pass the id on AppMessageItems that will try to map in the exact page what you are looking for — ionMobDev
– ionMobDev, Commented Feb 19, 2020 at 8:16

Pushkin · Accepted Answer · 2020-02-19 10:00:03Z

3

Replace your code with

// App.js
<Switch>
 <Route exact path="/" component={AppHome}/>
 <Route exact path="/messages" component={AppMessages}/>
 <Route path={["/messages/chat", "/messages/chat/:id"]} component={AppMessageItems}/>
</Switch>

// Messages.js
// Assuming item has id and upon clicking the item should change the url

const AppMessages = () => (
  <ul>
    {data.map((item, index) => 
      (
        <li key={item.id}>
          <Link to={`/messages/chat/${item.id}`}>
             <AppMessageUserList {...item} />
           </Link>
         </li>
       )
     }
    </ul>
)


// AppMessageItems

const AppMessageItems = (props) => {
if (props.match.params && props.match.params.id) {
   // return the selected items
 }
// return whatever you wanted to return if nothing is selected 
}

NOTE: Don't use index as key

edited Feb 19, 2020 at 10:00

answered Feb 19, 2020 at 9:34

Pushkin

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9 Comments

stepbystep Over a year ago

Thanks for code, but when i use <Route path=["/messages/chat", "/messages/chat/:id"] component={AppMessageItems}/> terminal show error "Tag start is not closed"

Pushkin Over a year ago

you misplaced [, it should be <Route path=["/messages/chat", "/messages/chat/:id"] component={AppMessageItems}/>

stepbystep Over a year ago

Yes, i'm using this way <Route path=["/messages/chat", "/messages/chat/:id"] component={AppMessageItems}/> same with example, but "Tag start is not closed"

stepbystep Over a year ago

I try path={["/messages/chat", "/messages/chat/:id"]} and works

Pushkin Over a year ago

Yea, I missed curly braces {} 😅

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