How to use zen-observable-ts - 10 common examples

        new MockLink(() => Observable.of(data)),
      ]);

const mock2 = new MockLink((op, forward) =>
        Observable.of({ data: op.getContext().add }),
      );

request(operation) {
    console.log(operation);
    return new Observable(observer => {
      this.promiseWorker.postMessage(operation)
        .then(data => {
          console.log('DATA', data);
          observer.next(data);
          observer.complete();
        })
        .catch(observer.error.bind(observer));
    });
  }
}

return new ApolloLink((operation, forward) => {
      return (
        firstLink.request(operation, op => {
          return nextLink.request(op, forward) || Observable.of();
        }) || Observable.of()
      );
    });
  }

return (firstLink.request(operation, function (op) {
                return nextLink.request(op, forward) || Observable.of();
            }) || Observable.of());
        });

function passthrough(op, forward) {
  return forward ? forward(op) : Observable.of();
}

  return new ApolloLink(() => Observable.of());
}

function passthrough(op, forward) {
    return forward ? forward(op) : Observable.of();
}
function toLink(handler) {

export function execute(
  link: ApolloLink,
  operation: GraphQLRequest,
): Observable {
  return (
    link.request(
      createOperation(
        operation.context,
        transformOperation(validateOperation(operation)),
      ),
    ) || Observable.of()
  );
}

function execute(link, operation) {
    return (link.request(createOperation(operation.context, transformOperation(validateOperation(operation)))) || Observable.of());
}