app/gql/gql.module.ts

gql.module.ts

export const gqlProviderFactory = async () => {

  const { NEO4J_URI, NEO4J_USERNAME, NEO4J_PASSWORD } = process.env;

  const driver = neo4j.driver(
    NEO4J_URI,
    neo4j.auth.basic(NEO4J_USERNAME, NEO4J_PASSWORD)
  );

  const neoSchema = new Neo4jGraphQL({
    typeDefs,
    driver
  });

  const schema = await neoSchema.getSchema();
  await neoSchema.assertIndexesAndConstraints({
    options: { create: true }
  });

  return {
    playground: true,
    schema
  };
};

@Module({
  imports: [
    GraphQLModule.forRootAsync<ApolloDriverConfig>({
      driver: ApolloDriver,
      useFactory: gqlProviderFactory
    })
  ]
})
export class GqlModule {
}