https://www.tzoravineyards.com/wp-content/plugins/responder/assets/js/ajax.js?ver=4.4.4

1(function ($) {
2  var cachedResponses = [],
3      callsStack = [];
4
5  $.RMP_AJAX = function (actionName, requestData, dontCache) {
6    var actionMethod = 'POST',
7        cachedData = {},
8        cacheKey = generateCacheKey(actionMethod, actionName, requestData),
9        ajaxConfig = {
10          url: RMP_AJAX_LOCALS.ajaxUrl,
11          type: actionMethod,
12          data: _.extend({}, {
13            action: 'RMP_' + actionName,
14            _nonce: RMP_AJAX_LOCALS._nonce
15          }, requestData)
16        };
17
18    if (isResponseCached(cacheKey) && !dontCache) {
19      cachedData = cachedResponses[cacheKey];
20
21      return $.Deferred()[cachedData['type']](cachedData['data']).promise();
22    }
23
24    return $.ajax(ajaxConfig).always(function(responseData, textStatus) {
25      var cacheData = {
26        'data': responseData,
27        'type': 'resolve'
28      };
29
30      if (textStatus === 'error') {
31        cacheData['type'] = 'reject';
32      }
33
34      return cacheResponse.apply(null, [cacheKey, cacheData]);
35    });
36  };
37
38  function generateCacheKey(actionMethod, actionName, requestData) {
39    return actionMethod + '_' + actionName + '_' + JSON.stringify(requestData);
40  }
41
42  function isResponseCached(cacheKey) {
43    return ! _.isUndefined(cachedResponses[cacheKey]);
44  }
45
46  function cacheResponse(cacheKey, responseData) {
47    if (! isResponseCached(cacheKey)) {
48      cachedResponses[cacheKey] = responseData;
49    }
50
51    return responseData;
52  }
53
54})(jQuery);