Function safeAsync

safeAsync<T>(
asyncFn: () => Promise<T>,
onError?: (error: AppError) => void,
): Promise<{ data: null | T; error: null | AppError }>

Safely executes an async operation with error handling.

Type Parameters

Parameters

asyncFn: () => Promise<T>
The async function to execute.
OptionalonError: (error: AppError) => void
Optional callback for handling errors.

Returns Promise<{ data: null | T; error: null | AppError }>

An object containing either the data or the error.

Example

const { data, error } = await safeAsync(() => fetchData());

Source

export async function safeAsync<T>(
  asyncFn: () => Promise<T>,
  onError?: (error: AppError) => void,
): Promise<{ data: T | null; error: AppError | null }> {
  try {
    const data = await asyncFn();
    return { data, error: null };
  } catch (error) {
    const appError = handleNetworkError(error);
    if (onError) {
      onError(appError);
    }
    return { data: null, error: appError };
  }
}