graphql

type User {
    id: ID!
    name: String!
    email: String!
    posts: [Post!]!
    createdAt: String!

import graphene
from graphene_django import DjangoObjectType
from blog.models import Post, Comment


class PostType(DjangoObjectType):

import { createHash } from "crypto";
import { readFileSync } from "fs";

export function sha256(query: string): string {
  return createHash("sha256").update(query, "utf8").digest("hex");
}

import DataLoader from "dataloader";
import { Pool } from "pg";

export interface User { id: number; name: string; }
export interface Post { id: number; user_id: number; title: string; }

# Gemfile
gem 'graphql'

# Installation
# rails generate graphql:install

module Types
  class PostType < Types::BaseObject
    field :id, ID, null: false
    field :title, String, null: false
    field :body, String, null: false
    field :excerpt, String, null: true

class BatchLoader {
  constructor(batchFn, { cacheKeyFn = (k) => k } = {}) {
    this.batchFn = batchFn;
    this.cacheKeyFn = cacheKeyFn;
    this.cache = new Map();
    this.queue = [];