React router related coding questions - SheCodes Athena - | SheCodes

React router related coding questions

👩‍💻 Technical question

what does react router do?

🤖 SheCodes Athena says:

Answered in 1.15 seconds

React Router is a popular library in JavaScript that allows you to handle routing in a React application. It helps you implement client-side routing by providing a way to map URLs to different components, allowing you to navigate between different pages without having to refresh the entire page. It also provides features like URL parameter parsing, nested routing, and dynamic routing. You can learn more about React Router here: React Router Documentation

👩‍💻 Technical question

how can i make it so that onClick this icon takes me to another component? <div className="card-header"> Latest Orders <i class="bi bi-arrow-right-circle-fill"></i> </div>

🤖 SheCodes Athena says:

Answered in 2.06 seconds

To make the arrow icon take you to another component when clicked, you can wrap it inside a Link tag from the React Router library.

jsx
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import { Link } from 'react-router-dom'; // ... <div className="card-header"> Latest Orders{' '} <Link to="/some-other-component"> <i className="bi bi-arrow-right-circle-fill"></i> </Link> </div>

Replace "/some-other-component" with the path to the component you want to navigate to. This assumes that you have set up React Router in your application.

Here's the documentation for the Link component in case you need more information: https://reactrouter.com/web/api/Link

👩‍💻 what if i just want to render the component, but dont have a route?

🤖 SheCodes Athena says:

Answered in 2.81 seconds

If you don't want to create a new route for the component you want to navigate to, you can make use of React's own properties. You can create a state variable which will keep track of whether or not to show the component. When the icon is clicked, you can toggle the state and render the component, otherwise it will not be displayed.

jsx
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import { useState } from 'react'; import MyComponent from './MyComponent'; // ... const [showComponent, setShowComponent] = useState(false); const handleClick = () => { setShowComponent(!showComponent); }; // ... <div className="card-header" onClick={handleClick}> Latest Orders <i className="bi bi-arrow-right-circle-fill"></i> {showComponent && <MyComponent />} </div>

In the example above, clicking on the card header will call the handleClick function which will toggle the showComponent state. If showComponent is true, MyComponent will be displayed, otherwise it will not be rendered.

Note: MyComponent refers to the component that you want to display on click.

👩‍💻 how can i make it so i only see the first 2 orders in the order list? <tbody> {orders && orders.length > 0 ? ( orders.map((order) => ( <tr key={order.id}> <th scope="row">{order.id}</th> <td>US$ {order.totalAmount}</td> <td className="text-capitalize">{order.status}</td> </tr> )) ) : ( <tr> <td colSpan="6">There are no orders to display.</td> </tr> )} </tbody>

🤖 SheCodes Athena says:

Answered in 3.24 seconds

To show the first 2 orders in the order list, you can use the slice method to create a new array containing only the first 2 elements of the orders array.

jsx
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<tbody> {orders && orders.length > 0 ? ( orders.slice(0, 2).map((order) => ( <tr key={order.id}> <th scope="row">{order.id}</th> <td>US$ {order.totalAmount}</td> <td className="text-capitalize">{order.status}</td> </tr> )) ) : ( <tr> <td colSpan="6">There are no orders to display.</td> </tr> )} </tbody>

In the code above, the slice(0, 2) method creates a new array containing only the first 2 elements of orders. The map method is then called on this new array to create the table rows. Note that if orders has less than 2 elements, then only the available orders will be displayed.

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