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Implementing Dynamic Routing with GraphQL

Implementing Dynamic Routing with GraphQL

Learn how to implement dynamic routing and query for a single product with URL parameters.

When building an e-commerce application, each product is expected to have a page where users can read more about the product before placing an order by clicking the "Add to cart" button. The React router makes it easy for us to dynamically use only one page for all our products.

When a product is clicked, information is passed alongside its URL. The information is used to determine the product on the SingleProduct page. To implement this, we’ll make use of the useParams() hook from the React router.

Add a dynamic link to the shop page

Let's start by adding a link to each product. We'll then pass parameter values with the link just as we configured in our App.js routes configuration:

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<Routes>
<Route path="/" element={<Home />} />
<Route path="/shop" element={<Shop />} />
<Route path="/shop/:category" element={<CategoryPage />} />
<Route path="/shop/:category/:slug" element={<SingleProduct />} />
</Routes>

In our Shop.js file, we'll wrap the product name with a link and then adjust the GraphQL query to include the product slug and category slug:

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Adding dynamic link to each product in shop page

In the code above, we import the Link component on line 2 and then wrap it around each product title from line 54 to ...