Merge GraphQL Schemas was using GraphQL Toolkit's
@graphql-toolkit/schema-merging package under the hood but we decided to deprecate it in favor of new GraphQL Tools's
@graphql-tools/merge package and you need to update your project.
mergeTypes, you need to use
@graphql-tools/merge package. The API is almost same except
We were using the following implementation to proxy
mergeTypeDefs of GraphQL Toolkit.
So if you want to have exact behavior, you can use the options above. Other than that, the API and behavior are almost same.
So you can replace