Function requireNonNull

requireNonNull<T>(fn: () => Promise<T | null>, errorMessage: string): Promise<T>
Wrapper that converts null results to errors for retry logic.
Type Parameters
- T
Parameters
- fn: () => Promise<T | null>
  The async function to execute.
- errorMessage: string
  Error message if the function returns null.
Returns Promise<T>
The result of the function if not null.

Throws
Error if the function returns null.
- Defined in utils/retry.ts:128