274 lines
6.4 KiB
JavaScript
274 lines
6.4 KiB
JavaScript
var AnimeClient = (function(w) {
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'use strict';
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const slice = Array.prototype.slice;
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// -------------------------------------------------------------------------
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// ! Base
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// -------------------------------------------------------------------------
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function matches(elm, selector) {
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let matches = (elm.document || elm.ownerDocument).querySelectorAll(selector),
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i = matches.length;
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while (--i >= 0 && matches.item(i) !== elm);
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return i > -1;
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}
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const _ = {
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/**
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* Placeholder function
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*/
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noop: () => {},
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/**
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* DOM selector
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*
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* @param {string} selector - The dom selector string
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* @param {object} context
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* @return {array} - array of dom elements
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*/
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$(selector, context) {
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if (typeof selector != "string" || selector === undefined) {
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return selector;
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}
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context = (context != null && context.nodeType === 1)
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? context
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: document;
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let elements = [];
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if (selector.match(/^#([\w]+$)/)) {
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elements.push(document.getElementById(selector.split('#')[1]));
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} else {
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elements = slice.apply(context.querySelectorAll(selector));
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}
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return elements;
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},
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/**
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* Scroll to the top of the Page
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*
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* @return {void}
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*/
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scrollToTop() {
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w.scroll(0,0);
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},
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/**
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* Display a message box
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*
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* @param {String} type - message type: info, error, success
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* @param {String} message - the message itself
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* @return {void}
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*/
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showMessage(type, message) {
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let template =
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`<div class="message ${type}">
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<span class="icon"></span>
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${message}
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<span class="close"></span>
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</div>`;
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let sel = AnimeClient.$('.message')[0];
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if (sel !== undefined) {
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sel.innerHTML = template;
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sel.removeAttribute('hidden');
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} else {
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_.$('header')[0].insertAdjacentHTML('beforeend', template);
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}
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},
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/**
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* Finds the closest parent element matching the passed selector
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*
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* @param {DOMElement} current - the current DOMElement
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* @param {string} parentSelector - selector for the parent element
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* @return {DOMElement|null} - the parent element
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*/
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closestParent(current, parentSelector) {
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if (Element.prototype.closest !== undefined) {
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return current.closest(parentSelector);
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}
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while (current !== document.documentElement) {
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if (matches(current, parentSelector)) {
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return current;
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}
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current = current.parentElement;
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}
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return null;
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},
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/**
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* Generate a full url from a relative path
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*
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* @param {String} path - url path
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* @return {String} - full url
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*/
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url(path) {
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let uri = `//${document.location.host}`;
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uri += (path.charAt(0) === '/') ? path : `/${path}`;
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return uri;
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},
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/**
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* Throttle execution of a function
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*
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* @see https://remysharp.com/2010/07/21/throttling-function-calls
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* @see https://jsfiddle.net/jonathansampson/m7G64/
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* @param {Number} interval - the minimum throttle time in ms
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* @param {Function} fn - the function to throttle
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* @param {Object} scope - the 'this' object for the function
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* @return {void}
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*/
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throttle(interval, fn, scope) {
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var wait = false;
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return function () {
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var context = scope || this;
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var args = arguments;
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if ( ! wait) {
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fn.apply(context, args);
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wait = true;
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setTimeout(function() {
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wait = false;
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}, interval);
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}
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};
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},
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};
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// -------------------------------------------------------------------------
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// ! Events
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// -------------------------------------------------------------------------
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function addEvent(sel, event, listener) {
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// Recurse!
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if (! event.match(/^([\w\-]+)$/)) {
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event.split(' ').forEach((evt) => {
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addEvent(sel, evt, listener);
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});
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}
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sel.addEventListener(event, listener, false);
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}
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function delegateEvent(sel, target, event, listener) {
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// Attach the listener to the parent
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addEvent(sel, event, (e) => {
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// Get live version of the target selector
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_.$(target, sel).forEach((element) => {
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if(e.target == element) {
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listener.call(element, e);
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e.stopPropagation();
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}
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});
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});
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}
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_.on = function (sel, event, target, listener) {
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if (arguments.length === 3) {
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listener = target;
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_.$(sel).forEach((el) => {
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addEvent(el, event, listener);
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});
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} else {
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_.$(sel).forEach((el) => {
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delegateEvent(el, target, event, listener);
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});
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}
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}
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// -------------------------------------------------------------------------
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// ! Ajax
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// -------------------------------------------------------------------------
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/**
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* Url encoding for non-get requests
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*
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* @param data
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* @returns {string}
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* @private
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*/
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function ajaxSerialize(data) {
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let pairs = [];
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Object.keys(data).forEach((name) => {
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let value = data[name].toString();
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name = encodeURIComponent(name);
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value = encodeURIComponent(value);
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pairs.push(`${name}=${value}`);
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});
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return pairs.join("&");
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};
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_.ajax = function(url, config) {
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// Set some sane defaults
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config = config || {};
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config.data = config.data || {};
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config.type = config.type || 'GET';
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config.dataType = config.dataType || '';
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config.success = config.success || _.noop;
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config.error = config.error || _.noop;
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let request = new XMLHttpRequest();
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let method = String(config.type).toUpperCase();
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if (method === "GET") {
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url += (url.match(/\?/))
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? ajaxSerialize(config.data)
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: `?${ajaxSerialize(config.data)}`;
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}
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request.open(method, url);
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request.onreadystatechange = () => {
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if (request.readyState === 4) {
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let responseText = '';
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if (request.responseType == 'json') {
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responseText = JSON.parse(request.responseText);
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} else {
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responseText = request.responseText;
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}
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if (request.status > 400) {
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config.error.call(null, request.status, responseText, request.response);
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} else {
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config.success.call(null, responseText, request.status);
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}
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}
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};
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switch (method) {
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case "GET":
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request.send(null);
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break;
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default:
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request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
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request.send(ajaxSerialize(config.data));
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break;
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}
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};
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_.get = function(url, data, callback) {
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if (arguments.length === 2) {
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callback = data;
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data = {};
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}
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return _.ajax(url, {
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data: data,
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success: callback
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});
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};
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// -------------------------------------------------------------------------
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// Export
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// -------------------------------------------------------------------------
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return _;
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})(window); |