export class ApiError extends Error {
    status;
    constructor(status, message) {
        super(message);
        this.status = status;
    }
}
export async function request(method, path, opts = {}) {
    const pathParams = (opts.path ?? {});
    let url = path.replace(/\{(\w+)\}/g, (_, key) => {
        const value = pathParams[key];
        if (value === undefined) {
            throw new Error(`missing path parameter ${key} for ${path}`);
        }
        return encodeURIComponent(String(value));
    });
    const query = new URLSearchParams();
    for (const [key, value] of Object.entries((opts.query ?? {}))) {
        if (value !== undefined) {
            query.set(key, String(value));
        }
    }
    if (query.size > 0) {
        url += `?${query}`;
    }
    const init = { method: method.toUpperCase() };
    if (opts.body !== undefined) {
        init.headers = { "Content-Type": "application/json" };
        init.body = JSON.stringify(opts.body);
    }
    const res = await fetch(url, init);
    const data = await res.json();
    if (!res.ok) {
        throw new ApiError(res.status, data.message);
    }
    return data;
}
export const get = (path, opts) => request("get", path, opts);
export const post = (path, opts) => request("post", path, opts);
export const put = (path, opts) => request("put", path, opts);
export function subscribe(after, onEvent, onState) {
    const source = new EventSource(`/api/events?after=${after}`);
    source.onopen = () => onState(true);
    source.onerror = () => onState(false);
    source.onmessage = (msg) => onEvent(JSON.parse(msg.data));
    return source;
}
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