/**
 * @deprecated
 */
export default function ajaxFetch(opt) {
    let { url, referrer, method, body = null } = opt;
    let req_params: AjaxFetchOpt = {
        headers: { 'X-Requested-With': 'XMLHttpRequest' },
        referrer,
        method,
    };
    if (method === 'POST') {
        req_params.headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';
        req_params.body = body;
    }
    return window.fetch(url, req_params);
}

interface AjaxFetchOpt {
    headers: { 'X-Requested-With'?: string, 'Content-Type'?: string };
    referrer: string;
    method: string;
    body?: any;
}