platform/packages/graphql/data_loader/README.md

data_loader

Batch and cache database lookups. Works well with GraphQL. Ported from the original JS version: https://github.com/graphql/dataloader

Installation

In your pubspec.yaml:

dependencies:
  data_loader: ^1.0.0

Usage

Complete example: https://github.com/angel-dart/graphql/blob/master/data_loader/example/main.dart

var userLoader = new DataLoader((key) => myBatchGetUsers(keys));
var invitedBy = await userLoader.load(1)then(user => userLoader.load(user.invitedByID))
print('User 1 was invited by $invitedBy'));