retry-axios

import * as rax from 'retry-axios'; import axios, { AxiosInstance } from 'axios'; interface MyRaxConfig extends rax.RaxConfig { // Optionally extend raxConfig if needed } const myAxiosInstance: AxiosInstance = axios.create(); // Configure retry-axios for this specific instance myAxiosInstance.defaults.raxConfig = { retry: 5, // Retry 5 times retryDelay: 500, // 500ms delay between retries statusCodesToRetry: [[429, 429], [500, 599]], // Only retry for Too Many Requests and 5xx errors backoffType: 'exponential', // Use exponential backoff jitter: 'full', // Add full jitter onError: (err) => { const cfg = rax.getConfig(err); if (cfg) { console.log(`Retry attempt #${cfg.currentRetryAttempt + 1} for URL: ${err.config?.url}`); } } } as MyRaxConfig; // Attach the retry interceptor to the custom instance rax.attach(myAxiosInstance); async function fetchData() { try { // Simulate an API call that might fail and need retries // Using httpbin.org for demonstration purposes. // In a real scenario, this might be a flaky backend endpoint. const response = await myAxiosInstance.get('https://httpbin.org/status/503'); console.log('Successfully fetched data:', response.data); } catch (error: any) { if (error.response) { console.error(`Failed to fetch data after retries. Status: ${error.response.status}`); } else if (error.request) { console.error('Failed to fetch data after retries. No response received.'); } else { console.error('Error during request setup:', error.message); } } } fetchData();