@easyquery/core/dist/lib/utils/ajax.js

EasyQuery.JS core modules

export function ajax(options) {
    var XDomainRequest = window["XDomainRequest"];
    var XHR = ("onload" in new XMLHttpRequest()) ? XMLHttpRequest : XDomainRequest; //IE support
    var xhr = new XHR();
    var type = options.type || 'POST';
    xhr.open(type, options.url, true);
    var contentType = options.contentType || "application/json";
    xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
    xhr.setRequestHeader("Content-Type", contentType);
    if (options.beforeSend) {
        options.beforeSend(xhr, options.data);
    }
    if (typeof options.data !== "string" && contentType.indexOf('application/json') == 0) {
        options.data = JSON.stringify(options.data);
    }
    xhr.onreadystatechange = function () {
        if (xhr.readyState != 4) {
            return;
        }
        var status = parseInt(xhr.status);
        if (status >= 300 || status < 200) {
            if (options.error) {
                options.error(xhr, status, xhr.statusText);
            }
            return;
        }
        if (options.success) {
            var dataType = options.dataType || xhr.responseType;
            if (dataType === "json") {
                var response = JSON.parse(xhr.responseText);
                options.success(response);
            }
            else {
                options.success(xhr.responseText);
            }
        }
    };
    xhr.send(options.data);
    return xhr;
}
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