Refactor getMutationState function to accept MutationResult object

[dominik-zeglen]

What I'm trying to achieve

To simplify code.

Describe a proposed solution

export function getMutationState<TData>(
  result: MutationResult<TData>,
  ...keys: Array<keyof TData>
): ConfirmButtonTransitionState {
  if (result.loading) {
    return "loading";
  }
  if (result.called) {
    interface MutationData {
      errors: UserError[];
    }
    return keys
      .map(key => {
        const data = (result.data[key] as unknown) as MutationData;
        return data.errors;
      })
      .map(hasErrors)
      .reduce((acc, curr) => acc || curr, false)
      ? "error"
      : "success";
  }
  return "default";
}

[stale]

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