INNER CODE UNIT · TypeScript

Loader

slaypni/type-graphql-dataloader · src/decorators/Loader.ts:16

export function Loader<K, V, C = K>(
  batchLoadFn: BatchLoadFn<K, V>,
  options?: DataLoader.Options<K, V, C>
): MethodAndPropDecorator {
  return (
    target: Object,
    propertyKey: string | symbol,
    descriptor?: TypedPropertyDescriptor<any>
  ) => {
    UseMiddleware(async ({ context }, next) => {
      const serviceId = `tgd#${
        target.constructor.name
      }#${propertyKey.toString()}`;
      const { requestId } = context._tgdContext as TgdContext;
      const container = Container.of(requestId);
      if (!container.has(serviceId)) {
        container.set(
          serviceId,

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