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Function Signature

function withHedge<T extends AnyFn>(
  fn: T,
  options: HedgeOptions
): T
Wraps a function with hedging strategy. Sends multiple parallel requests with delays and returns the first successful response.

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Options

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count
number
required
Number of hedged requests to send.
​
delay
number
required
Delay in milliseconds between sending each hedged request.

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Return Type

Returns the wrapped function that sends multiple hedged requests.

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Types

interface HedgeOptions {
  count: number
  delay: number
}

​
Example

import { withHedge } from 'cruel'

const hedgedFetch = withHedge(
  async (url: string) => {
    const response = await fetch(url)
    if (!response.ok) throw new Error('Request failed')
    return response.json()
  },
  {
    count: 3,
    delay: 100
  }
)

// Sends 3 requests:
// - First request sent immediately
// - Second request sent after 100ms
// - Third request sent after 200ms
// Returns the first successful response
const data = await hedgedFetch('https://api.example.com/data')

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