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Retries a function upon failure with configurable backoff
async function retry<T>(
fn: (attempt: number) => Promise<T>,
options?: RetryOptions,
): Promise<T>
Show properties
false, the error is thrown immediately.AbortError if the signal is abortedimport { retry } from '@temelj/async';
const result = await retry(async () => {
return await fetchData();
}, { times: 3 });
import { retry } from '@temelj/async';
const result = await retry(
async (attempt) => {
console.log(`Attempt ${attempt + 1}`);
return await fetchData();
},
{
times: 5,
delay: (attempt) => Math.pow(2, attempt) * 1000, // 1s, 2s, 4s, 8s
}
);
import { retry } from '@temelj/async';
const result = await retry(
async () => {
return await fetchData();
},
{
times: 3,
shouldRetry: (error) => {
// Only retry on network errors, not 4xx errors
return error instanceof NetworkError;
},
}
);
import { retry } from '@temelj/async';
const controller = new AbortController();
const result = await retry(
async () => {
return await fetchData();
},
{
times: 5,
delay: 1000,
signal: controller.signal,
}
);
// Cancel retry
controller.abort();