57 lines
1.4 KiB
TypeScript
57 lines
1.4 KiB
TypeScript
const DEFAULT_BASE_URL = "/api/proxy";
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export const API_BASE_URL =
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process.env.NEXT_PUBLIC_API_BASE_URL || DEFAULT_BASE_URL;
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function normalizePath(path: string): string {
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return path.startsWith("/") ? path : `/${path}`;
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}
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export async function requestJson<T>(
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path: string,
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init: RequestInit = {},
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token: string | null = null,
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): Promise<T> {
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const headers = new Headers(init.headers || {});
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if (!headers.has("Content-Type") && !(init.body instanceof FormData)) {
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headers.set("Content-Type", "application/json");
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}
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if (token) {
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headers.set("Authorization", `Bearer ${token}`);
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}
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const endpoint = `${API_BASE_URL}${normalizePath(path)}`;
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let attempt = 0;
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const maxAttempts = 3;
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while (attempt < maxAttempts) {
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try {
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const response = await fetch(endpoint, {
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...init,
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headers,
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cache: "no-store",
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method: init.method || "GET",
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});
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if (!response.ok) {
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const json = await response.json().catch(() => null);
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const message =
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json?.message ||
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json?.error ||
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`Request failed with status ${response.status}`;
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throw new Error(message);
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}
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return (await response.json()) as T;
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} catch (error) {
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attempt += 1;
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if (attempt >= maxAttempts) throw error;
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await new Promise((resolve) => setTimeout(resolve, 2 ** attempt * 300));
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}
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}
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throw new Error("Request failed after retries.");
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} |