Function snapshotComputerParams

packages/runtime/src/computer-use-codec.ts:476–496

(args: ComputerParams)

const point = (c?: [number, number]): CuPoint | undefined => (c ? { x: c[0], y: c[1] } : undefined);

export function snapshotComputerParams(args: ComputerParams): ComputerParams {
  for (const [key, descriptor] of Object.entries(Object.getOwnPropertyDescriptors(args))) {
    if (descriptor.get || descriptor.set) {
      throw new Error(`invalid_computer_params: '${key}' must be a plain data property`);
    }
  }
  const cloneTuple = <T extends readonly number[] | undefined>(value: T): T =>
    (value ? Object.freeze([...value]) : value) as T;
  const source = args as ComputerParams & Record<string, unknown>;
  const snapshot = { ...source } as Record<string, unknown>;
  if (Object.hasOwn(source, 'coordinate')) {
    snapshot.coordinate = cloneTuple(source.coordinate as [number, number] | undefined);
  }
  if (Object.hasOwn(args, 'start_coordinate')) {
    snapshot.start_coordinate = cloneTuple(source.start_coordinate as [number, number] | undefined);
  }
  if (Object.hasOwn(source, 'region')) {
    snapshot.region = cloneTuple(source.region as [number, number, number, number] | undefined);
  }
  return Object.freeze(snapshot) as ComputerParams;
}

/**
 * Map the provider-neutral wire grammar onto the discriminated `CuAction` the