What are GraphQL Resolvers?
GraphQL resolvers are defined inside a GraphQL Schema and are responsible for resolving the fields that are represented in a given query. Resolvers have to fetch the data and transform it into the required format before sending it to the client. Resolvers can return scalar values like strings or numbers, as well as complex types like objects or arrays, depending on the schema definition. They can be synchronous or asynchronous, allowing for complex data-fetching operations. They can also interact with 3rd party APIs or external databases, depending on the use case and requirements of the product.
Resolvers in GraphQL
Resolvers are a crucial part of GraphQL that determines how data is fetched and returned in response to a query. They act as the bridge between the client’s request and the data source, whether it’s a database, API, or any other data store. Resolvers are responsible for fetching the data for each field in a query and transforming it into the format expected by the client. In this article, we will learn about Resolvers along with an understanding of How Resolvers Work with examples and so on.