spb/vquant Public MIT

1/*2 * =============================================================================3 *  VibeQuant (vquant) — AI-Powered Financial Intelligence Platform4 * -----------------------------------------------------------------------------5 *  File:      client/src/lib/queryClient.ts6 *7 *  Author:    Simon-Pierre Boucher8 *  Contact:   contact@spboucher.ai9 *  Website:   https://www.spboucher.ai10 *  Demo:      https://www.vquant.ai11 *  License:   MIT (see LICENSE)12 *13 *  Copyright © 2026 Simon-Pierre Boucher. All rights reserved.14 * =============================================================================15 */1617import { QueryClient, type QueryFunction } from "@tanstack/react-query";1819async function throwIfResNotOk(res: Response) {20  if (!res.ok) {21    const text = (await res.text()) || res.statusText;22    throw new Error(`${res.status}: ${text}`);23  }24}2526export async function apiRequest(27  method: string,28  url: string,29  data?: unknown,30): Promise<Response> {31  const res = await fetch(url, {32    method,33    headers: data ? { "Content-Type": "application/json" } : {},34    body: data ? JSON.stringify(data) : undefined,35    credentials: "include",36  });3738  await throwIfResNotOk(res);39  return res;40}4142type UnauthorizedBehavior = "returnNull" | "throw";4344export const getQueryFn: <T>(options: {45  on401: UnauthorizedBehavior;46}) => QueryFunction<T> =47  ({ on401: unauthorizedBehavior }) =>48  async ({ queryKey }) => {49    const res = await fetch(queryKey.join("/") as string, {50      credentials: "include",51    });5253    if (unauthorizedBehavior === "returnNull" && res.status === 401) {54      return null;55    }5657    await throwIfResNotOk(res);58    return await res.json();59  };6061export const queryClient = new QueryClient({62  defaultOptions: {63    queries: {64      queryFn: getQueryFn({ on401: "returnNull" }),65      refetchOnWindowFocus: false,66      staleTime: 5 * 60 * 1000,   // 5 minutes — reasonable for financial data67      gcTime: 30 * 60 * 1000,     // 30 minutes garbage collection68      retry: 1,                    // 1 retry on transient failures69    },70    mutations: {71      retry: false,72    },73  },74});75