export class ApiError extends Error {
    status: number;
    body: string;

    constructor(message: string, status: number, body: string) {
        super(message);
        this.name = "ApiError";
        this.status = status;
        this.body = body;
    }
}

export async function requestJson<T>(input: RequestInfo | URL, init?: RequestInit): Promise<T> {
    const res = await fetch(input, init);

    if (!res.ok) {
        const text = await res.text();
        throw new ApiError(`Request failed with status ${res.status}`, res.status, text);
    }

    return (await res.json()) as T;
}