Installing and using graphql-tools@7.0.2 to separate files by typeDef…

…s, queries, mutations and merge them to schema.js

client.js

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+import { PrismaClient } from "@prisma/client";
+const client = new PrismaClient();
+
+export default client;

movies/movies.mutations.js

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+import client from "../client.js";
+
+export default {
+  Mutation: {
+    createMovie: (_, { title, year, genre }) =>
+      client.movie.create({ data: { title, year, genre } }),
+    deleteMovie: (_, { id }) => client.movie.delete({ where: { id } }),
+    updateMovie: (_, { id, title, year, genre }) =>
+      client.movie.update({ where: { id }, data: { title, year, genre } }),
+  },
+};

movies/movies.queries.js

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+import client from "../client.js";
+
+export default {
+  Query: {
+    movies: () => client.movie.findMany(),
+    movie: (_, { id }) => client.movie.findUnique({ where: { id } }),
+  },
+};

movies/movies.typeDefs.js

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+import { gql } from "apollo-server";
+
+export default gql`
+  type Movie {
+    id: Int!
+    title: String!
+    year: Int!
+    genre: String
+    createdAt: String
+    updatedAt: String
+  }
+
+  type Query {
+    movies: [Movie]
+    movie(id: Int!): Movie
+  }
+  type Mutation {
+    createMovie(title: String!, year: Int!, genre: String): Movie
+    deleteMovie(id: Int!): Movie
+    updateMovie(id: Int!, title: String, year: Int, genre: String): Movie
+  }
+`;