test/Scripts/jquery.unobtrusive-ajax.js

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/*!
** Unobtrusive Ajax support library for jQuery
** Copyright (C) Microsoft Corporation. All rights reserved.
*/

/*jslint white: true, browser: true, onevar: true, undef: true, nomen: true, eqeqeq: true, plusplus: true, bitwise: true, regexp: true, newcap: true, immed: true, strict: false */
/*global window: false, jQuery: false */

(function ($) {
    var data_click = "unobtrusiveAjaxClick",
        data_validation = "unobtrusiveValidation";

    function getFunction(code, argNames) {
        var fn = window, parts = (code || "").split(".");
        while (fn && parts.length) {
            fn = fn[parts.shift()];
        }
        if (typeof (fn) === "function") {
            return fn;
        }
        argNames.push(code);
        return Function.constructor.apply(null, argNames);
    }

    function isMethodProxySafe(method) {
        return method === "GET" || method === "POST";
    }

    function asyncOnBeforeSend(xhr, method) {
        if (!isMethodProxySafe(method)) {
            xhr.setRequestHeader("X-HTTP-Method-Override", method);
        }
    }

    function asyncOnSuccess(element, data, contentType) {
        var mode;

        if (contentType.indexOf("application/x-javascript") !== -1) {  // jQuery already executes JavaScript for us
            return;
        }

        mode = (element.getAttribute("data-ajax-mode") || "").toUpperCase();
        $(element.getAttribute("data-ajax-update")).each(function (i, update) {
            var top;

            switch (mode) {
            case "BEFORE":
                top = update.firstChild;
                $("<div />").html(data).contents().each(function () {
                    update.insertBefore(this, top);
                });
                break;
            case "AFTER":
                $("<div />").html(data).contents().each(function () {
                    update.appendChild(this);
                });
                break;
            default:
                $(update).html(data);
                break;