Let’s Build a GraphQL Server with Node.js

GraphQL is a query language, which Facebook developed. It can be said that it is improved version of REST approach. In this article, i want to talk about how to use it rather than what it is

GraphQL is a query language, which Facebook developed. It can be said that it is improved version of REST approach. In this article, i want to talk about how to use it rather than what it is. However, compared to REST, we can say following advantages of GraphQL:

1. In REST queries, you need Endpoints. And as long as these Endpoints elongate, it can be difficult to read. For example:

https://domain.com/api/customers/customerId/products/productId/orders/orderId/

You don’t need such queries at GraphQL.

2. While using the REST queries, many data that you don’t need can come along with the data you call. In this ways servers are overloaded. GraphQL gets you rid of getting data you don’t need.

3. Nested Query means successive queries in REST. It is easier to make nested queries in GraphQL. Because you need only one query for that. GraphQL divides these queries into pieces and gets related data as Promise and re-gathers together and then returns to us. This saves us time.

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