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predict ​

Execute async logic with timeout and optional cancellation via AbortSignal.

Signature ​

typescript
function predict<T>(
  fn: (signal: AbortSignal) => Promise<T>,
  options?: { signal?: AbortSignal; timeout?: number },
): Promise<T>;

Parameters ​

  • fn - Async function that receives a merged AbortSignal.
  • options.timeout - Timeout in milliseconds (default 7000).
  • options.signal - Optional external signal to cancel early.

Example ​

typescript
import { predict } from '@vielzeug/toolkit';

const result = await predict(async (signal) => {
  const response = await fetch('/api/user', { signal });
  return response.json();
}, { timeout: 2_000 });

console.log(result);
  • attempt - Wraps retry + predict into { ok, value | error }.
  • retry - Retry strategy with delay and predicates.