@exromany/lido-csm-sdk/dist/esm/common/utils/fetch-json.js

[](https://github.com/lidofinance/lido-csm-sdk/blob/main/LICENSE.txt) [](h

export const fetchJson = async (url, params, parse) => {
    const response = await fetch(url, {
        method: 'GET',
        ...params,
    });
    if (!response.ok) {
        // TODO: throw error ???
        return undefined;
    }
    if (parse) {
        const text = await response.text();
        return parse(text);
    }
    return response.json();
};
export const fetchWithFallback = async (urls, fetch) => {
    for (const url of urls) {
        if (!url)
            continue;
        try {
            const result = await fetch(url);
            if (result)
                return result;
        }
        catch {
            /* noop */
        }
    }
};
export const fetchOneOf = async ({ urls, fetch, parse, validate, }) => {
    return fetchWithFallback(urls, async (url) => {
        const fetchFunction = fetch ?? (async (url) => fetchJson(url, undefined, parse));
        const data = await fetchFunction(url);
        if (data && (!validate || validate(data))) {
            return data;
        }
        return null;
    });
};
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