Relay Cursor Paging

import { createServer } from 'node:http'import { offsetForArgs } from '@huntersofbook/relay-cursor-paging'import { connectionFromArraySlice } from 'graphql-relay'import { GraphQLError } from 'graphql'import { createSchema, createYoga } from 'graphql-yoga'const data = [  {    id: 1,    name: 'Library 1',  },  {    id: 2,    name: 'Library 2',  },  {    id: 3,    name: 'Library 3',  },  {    id: 4,    name: 'Library 4',  },]export const schema = createSchema({  typeDefs: /* GraphQL */ `    scalar Cursor    type PageInfo {      hasNextPage: Boolean      hasPreviousPage: Boolean      startCursor: Cursor      endCursor: Cursor      totalPageCount: Int    }    type Library {      id: ID!      name: String!    }    type LibraryEdge {        cursor: String!        node: Library!    }    type LibraryConnection {      edges: [LibraryEdge!]!      pageInfo: PageInfo!    }     type Query {      libraries(        first: Int        after: Cursor        last: Int        before: Cursor      ): LibraryConnection      }  `,  resolvers: {    Query: {      libraries: async (_parent, _args, context, _info) => {        const { limit, offset, expectedSize } = offsetForArgs({          args: {            first: _args.first,            last: _args.last,            after: _args.after,            before: _args.before,          },        })        if (!data)          throw new GraphQLError('No libraries found')        const page = connectionFromArraySlice(data, _args, {          arrayLength: data.length,          sliceStart: offset,        })        return {          edges: page.edges,          pageInfo: {            ...page.pageInfo,            totalPageCount: expectedSize,          },        }      },    },  },})// Create a Yoga instance with a GraphQL schema.const yoga = createYoga({ schema })// Pass it into a server to hook into request handlers.const server = createServer(yoga)// Start the server and you're done!server.listen(4000, () => {  console.info('Server is running on http://localhost:4000/graphql')})