Prisma relay pagination implementation

This repo is to show an example someone who wants to implement relay pagination on your project.

specification

• prisma
• graphql-relay

Description

relayFunction returns Connection type which is needed for pagination, so you can use this function directly on your resolver.

const resolver: Resolver = {
  Query: {
    todos: async (_, args, {prisma}) => {
      return await relayPagination({
        prisma,
        args,
        type: 'todo',
        options: {
          orderBy: {id: 'desc'}
        }
      })
    }
  }
}

argument description

1. prisma : relayPagination function uses prisma client internally, you should pass prisma client instance.

2. args: args is for cursor pagination input like first, after. Since this function is only support forward pagination, you just need to pass 2 args. first is an amount of rows you want to query at first. after is a cursor string that returns in edge.

3. type: type is prisma data model you want to. you should pass valid model name to type.

4. options: options is for additional arguments for prisma findMany method.

Limitation

This function is only support forward pagination. If you want to know more about this, please check specification here.