Client Configuration & Defaults

import { createClient } from 'react-native-fetch-client';

const api = createClient({
  // 1. Base URL
  baseURL: 'https://api.example.com/v1',

  // 2. Timeout in milliseconds (0 = no timeout)
  timeout: 8000,

  // 3. Default HTTP Headers
  headers: {
    'Accept': 'application/json',
    'X-Client-Platform': 'mobile',
  },

  // 4. Global Bearer token or async getter
  bearerToken: async () => {
    return await secureStorage.getItem('access_token');
  },

  // 5. Retry configuration with exponential backoff
  retry: {
    attempts: 3,
    backoff: 'exponential',
    delay: 500,
    maxDelay: 5000,
    jitter: true,
  },

  // 6. In-flight request deduplication
  dedup: {
    enabled: true,
  },

  // 7. Max concurrent requests (throttle)
  maxConcurrentRequests: 6,

  // 8. Circuit breaker
  circuitBreaker: {
    enabled: true,
    failureThreshold: 5,
    resetTimeoutMs: 30000,
  },

  // 9. Request diagnostics
  debug: false,
});