// Types for the result object with discriminated union
type Success<T> = {
data: T;
error: null;
};
type Failure<E> = {
data: null;
error: E;
};
type Result<T, E = Error> = Success<T> | Failure<E>;
// Main wrapper function
export async function tryCatch<T, E = Error>(
promise: Promise<T>,
): Promise<Result<T, E>> {
try {
const data = await promise;
return { data, error: null };
} catch (error) {
return { data: null, error: error as E };
}
} tryCatch()
Cleaner async error handling.