ddd-jquery/ajax/jsonp.js

de-bowerified, de-amdified, de-gruntified... jQuery.

var jQuery = require('../core'), nonce = require('./var/nonce'), rquery = require('./var/rquery'), __unnameddep__ = require('../ajax');
var oldCallbacks = [], rjsonp = /(=)\?(?=&|$)|\?\?/;
jQuery.ajaxSetup({
    jsonp: 'callback',
    jsonpCallback: function () {
        var callback = oldCallbacks.pop() || jQuery.expando + '_' + nonce++;
        this[callback] = true;
        return callback;
    }
});
jQuery.ajaxPrefilter('json jsonp', function (s, originalSettings, jqXHR) {
    var callbackName, overwritten, responseContainer, jsonProp = s.jsonp !== false && (rjsonp.test(s.url) ? 'url' : typeof s.data === 'string' && !(s.contentType || '').indexOf('application/x-www-form-urlencoded') && rjsonp.test(s.data) && 'data');
    if (jsonProp || s.dataTypes[0] === 'jsonp') {
        callbackName = s.jsonpCallback = jQuery.isFunction(s.jsonpCallback) ? s.jsonpCallback() : s.jsonpCallback;
        if (jsonProp) {
            s[jsonProp] = s[jsonProp].replace(rjsonp, '$1' + callbackName);
        } else if (s.jsonp !== false) {
            s.url += (rquery.test(s.url) ? '&' : '?') + s.jsonp + '=' + callbackName;
        }
        s.converters['script json'] = function () {
            if (!responseContainer) {
                jQuery.error(callbackName + ' was not called');
            }
            return responseContainer[0];
        };
        s.dataTypes[0] = 'json';
        overwritten = window[callbackName];
        window[callbackName] = function () {
            responseContainer = arguments;
        };
        jqXHR.always(function () {
            window[callbackName] = overwritten;
            if (s[callbackName]) {
                s.jsonpCallback = originalSettings.jsonpCallback;
                oldCallbacks.push(callbackName);
            }
            if (responseContainer && jQuery.isFunction(overwritten)) {
                overwritten(responseContainer[0]);
            }
            responseContainer = overwritten = undefined;
        });
        return 'script';
    }
});