Function handleScrollCommand

src/core/dispatch-interactions.ts:745–771

(
  interactor: Interactor,
  positionals: string[],
  context: DispatchContext | undefined,
)

}

export async function handleScrollCommand(
  interactor: Interactor,
  positionals: string[],
  context: DispatchContext | undefined,
): Promise<Record<string, unknown>> {
  const directionInput = positionals[0];
  const amount = positionals[1] ? Number(positionals[1]) : undefined;
  const pixels = context?.pixels;
  const durationMs = context?.durationMs;
  if (!directionInput) throw new AppError('INVALID_ARGS', 'scroll requires direction');
  assertScrollCommandInputs(amount, pixels, durationMs);

  const target = parseScrollTarget(directionInput);
  const options = { amount, pixels, durationMs };
  const { interactionResult, completedPasses } = await runDispatchedScroll(
    interactor,
    context,
    target,
    options,
  );

  const result = buildDispatchedScrollResult(target, options, completedPasses, interactionResult);
  return withSuccessText(
    result,
    formatScrollEdgeMessage(target.direction, target.edge, completedPasses, amount, pixels),
  );
}

function assertScrollCommandInputs(
  amount: number | undefined,