forked from EduCraft/curriculum-project-hub
ymy
50 lines
1.4 KiB
TypeScript
50 lines
1.4 KiB
TypeScript
/** 与 /database/api/* 的约定一致;401 时清空会话(回到登录视图)。 */
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import { me } from "./stores.js";
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export class ApiError extends Error {
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constructor(
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readonly status: number,
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readonly code: string,
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message: string,
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readonly details?: Record<string, unknown>,
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) {
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super(message);
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this.name = "ApiError";
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}
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}
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export class UnauthenticatedError extends Error {
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constructor() {
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super("unauthenticated");
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this.name = "UnauthenticatedError";
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}
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}
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interface RequestOpts {
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readonly method?: string;
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readonly body?: unknown;
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}
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export async function api<T = unknown>(path: string, opts: RequestOpts = {}): Promise<T> {
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const res = await fetch(path, {
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credentials: "same-origin",
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method: opts.method ?? "GET",
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...(opts.body !== undefined
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? { headers: { "Content-Type": "application/json" }, body: JSON.stringify(opts.body) }
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: {}),
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});
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if (res.status === 401) {
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me.set(null);
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throw new UnauthenticatedError();
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}
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if (res.status === 204) return null as T;
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const text = await res.text();
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const data = text === "" ? null : (JSON.parse(text) as unknown);
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if (!res.ok) {
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const err = (data as { error?: { code?: string; message?: string } } | null)?.error ?? {};
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throw new ApiError(res.status, err.code ?? "unknown", err.message ?? res.statusText, err as Record<string, unknown>);
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}
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return data as T;
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}
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