69 lines
2.0 KiB
TypeScript
69 lines
2.0 KiB
TypeScript
"use client";
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// Chamadas feitas pelo navegador. Vão para /api/v1 na mesma origem; o Next
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// repassa para a API Go. Toda mutação envia o token CSRF (double submit).
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import type { Problem } from "./types";
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export class ApiError extends Error {
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status: number;
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problem: Problem | null;
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constructor(status: number, problem: Problem | null) {
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super(problem?.title ?? `Erro ${status}`);
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this.status = status;
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this.problem = problem;
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}
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/** Mensagem com os erros de campo, se houver. */
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details(): string {
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const fields = this.problem?.errors ?? [];
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if (fields.length === 0) return this.message;
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return `${this.message}: ${fields.map((e) => `${e.field} — ${e.message}`).join("; ")}`;
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}
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}
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function readCookie(name: string): string {
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const match = document.cookie.split("; ").find((c) => c.startsWith(`${name}=`));
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return match ? decodeURIComponent(match.slice(name.length + 1)) : "";
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}
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export async function apiFetch<T = unknown>(
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path: string,
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options: { method?: string; body?: unknown } = {},
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): Promise<T> {
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const method = options.method ?? "GET";
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const headers: Record<string, string> = { accept: "application/json" };
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if (method !== "GET") {
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headers["X-CSRF-Token"] = readCookie("bp_csrf");
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}
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if (options.body !== undefined) {
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headers["content-type"] = "application/json";
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}
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const res = await fetch(`/api/v1${path}`, {
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method,
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headers,
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body: options.body === undefined ? undefined : JSON.stringify(options.body),
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credentials: "same-origin",
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});
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if (res.status === 401 && path !== "/auth/login") {
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window.location.href = "/login";
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throw new ApiError(401, null);
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}
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if (!res.ok) {
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const problem = (await res.json().catch(() => null)) as Problem | null;
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throw new ApiError(res.status, problem);
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}
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if (res.status === 204) {
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return undefined as T;
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}
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return (await res.json()) as T;
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}
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export function errorMessage(err: unknown): string {
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if (err instanceof ApiError) return err.details();
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if (err instanceof Error) return err.message;
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return "Erro inesperado";
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}
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