![]() ![]() You will typically do those operations with a GET request. GraphQL queries are used to perform “read” operations on the server. So we can do something like what we have below, and the server will return an array of Books with just the title field in it: Instead, we should request things that we do not have, like the _id of the Book.īut with GraphQL, we can query all books and get just the title of each Book. We do not want to start requesting what we already have. We can access that by going to api/v1/users/books/, to get an array of books.īut, in a situation where we need just the book title of each Book, the API gives us more than we need. Let’s say we want to fetch all books created by a user in a standard REST API. That’s cool, right? GraphQL fetches data based on queries This makes it possible to get multiple resources with a single request. ![]() The client will use the same URL to access all the books in the books collection, author information about a single book, and many more with a single endpoint. Instead, they only highlight areas in which GraphQL shines: Accessing API with just one endpoint The following reasons do not mean that the REST or SOAP specifications are obsolete. Now that you have a glimpse of what GraphQL does, you might be thinking, why so much noise about it? Why can’t we just stick with REST or SOAP APIs? How is GraphQL better than REST or SOAP? ![]() Finally, we will look into converting the codebase to Typescript. ![]() Also, you will learn how to connect your API to a database system like MongoDB with Mongoose as its wrapper. In this article, you will learn how to build a GraphQL API using Express.js. In GraphQL, all requests access the same HTTP method with a single URL endpoint. GraphQL is an API specification, similar to the REST and SOAP specification. ![]()
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