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/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
define([
'jquery',
'domReady',
'consoleLogger',
'Magento_PageCache/js/form-key-provider',
'jquery-ui-modules/widget',
'mage/cookies'
], function ($, domReady, consoleLogger, formKeyInit) {
'use strict';
/**
* Helper. Generate random string
* TODO: Merge with mage/utils
* @param {String} chars - list of symbols
* @param {Number} length - length for need string
* @returns {String}
*/
function generateRandomString(chars, length) {
var result = '';
length = length > 0 ? length : 1;
while (length--) {
result += chars[Math.round(Math.random() * (chars.length - 1))];
}
return result;
}
/**
* Nodes tree to flat list converter
* @returns {Array}
*/
$.fn.comments = function () {
var elements = [],
contents,
elementContents;
/**
* @param {jQuery} element - Comment holder
*/
(function lookup(element) {
var iframeHostName;
// prevent cross origin iframe content reading
if ($(element).prop('tagName') === 'IFRAME') {
iframeHostName = $('<a>').prop('href', $(element).prop('src'))
.prop('hostname');
if (window.location.hostname !== iframeHostName) {
return [];
}
}
/**
* Rewrite jQuery contents().
*
* @param {jQuery} elem
*/
contents = function (elem) {
return $.map(elem, function (el) {
try {
return el.nodeName.toLowerCase() === 'iframe' ?
el.contentDocument || (el.contentWindow ? el.contentWindow.document : []) :
$.merge([], el.childNodes);
} catch (e) {
consoleLogger.error(e);
return [];
}
});
};
elementContents = contents($(element));
$.each(elementContents, function (index, el) {
switch (el.nodeType) {
case 1: // ELEMENT_NODE
lookup(el);
break;
case 8: // COMMENT_NODE
elements.push(el);
break;
case 9: // DOCUMENT_NODE
lookup($(el).find('body'));
break;
}
});
})(this);
return elements;
};
/**
* FormKey Widget - this widget is generating from key, saves it to cookie and
* @deprecated see Magento/PageCache/view/frontend/web/js/form-key-provider.js
*/
$.widget('mage.formKey', {
options: {
inputSelector: 'input[name="form_key"]',
allowedCharacters: '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
length: 16
},
/**
* Creates widget 'mage.formKey'
* @private
*/
_create: function () {
var formKey = $.mage.cookies.get('form_key'),
options = {
secure: window.cookiesConfig ? window.cookiesConfig.secure : false
};
if (!formKey) {
formKey = generateRandomString(this.options.allowedCharacters, this.options.length);
$.mage.cookies.set('form_key', formKey, options);
}
$(this.options.inputSelector).val(formKey);
}
});
/**
* PageCache Widget
* Handles additional ajax request for rendering user private content.
*/
$.widget('mage.pageCache', {
options: {
url: '/',
patternPlaceholderOpen: /^ BLOCK (.+) $/,
patternPlaceholderClose: /^ \/BLOCK (.+) $/,
versionCookieName: 'private_content_version',
handles: []
},
/**
* Creates widget 'mage.pageCache'
* @private
*/
_create: function () {
var placeholders,
version = $.mage.cookies.get(this.options.versionCookieName);
if (!version) {
return;
}
placeholders = this._searchPlaceholders(this.element.comments());
if (placeholders && placeholders.length) {
this._ajax(placeholders, version);
}
},
/**
* Parse page for placeholders.
* @param {Array} elements
* @returns {Array}
* @private
*/
_searchPlaceholders: function (elements) {
var placeholders = [],
tmp = {},
ii,
len,
el, matches, name;
if (!(elements && elements.length)) {
return placeholders;
}
for (ii = 0, len = elements.length; ii < len; ii++) {
el = elements[ii];
matches = this.options.patternPlaceholderOpen.exec(el.nodeValue);
name = null;
if (matches) {
name = matches[1];
tmp[name] = {
name: name,
openElement: el
};
} else {
matches = this.options.patternPlaceholderClose.exec(el.nodeValue);
if (matches) { //eslint-disable-line max-depth
name = matches[1];
if (tmp[name]) { //eslint-disable-line max-depth
tmp[name].closeElement = el;
placeholders.push(tmp[name]);
delete tmp[name];
}
}
}
}
return placeholders;
},
/**
* Parse for page and replace placeholders
* @param {Object} placeholder
* @param {Object} html
* @protected
*/
_replacePlaceholder: function (placeholder, html) {
var startReplacing = false,
prevSibling = null,
parent, contents, yy, len, element;
if (!placeholder || !html) {
return;
}
parent = $(placeholder.openElement).parent();
contents = parent.contents();
for (yy = 0, len = contents.length; yy < len; yy++) {
element = contents[yy];
if (element == placeholder.openElement) { //eslint-disable-line eqeqeq
startReplacing = true;
}
if (startReplacing) {
$(element).remove();
} else if (element.nodeType != 8) { //eslint-disable-line eqeqeq
//due to comment tag doesn't have siblings we try to find it manually
prevSibling = element;
}
if (element == placeholder.closeElement) { //eslint-disable-line eqeqeq
break;
}
}
if (prevSibling) {
$(prevSibling).after(html);
} else {
$(parent).prepend(html);
}
// trigger event to use mage-data-init attribute
$(parent).trigger('contentUpdated');
},
/**
* AJAX helper
* @param {Object} placeholders
* @param {String} version
* @private
*/
_ajax: function (placeholders, version) {
var ii,
data = {
blocks: [],
handles: this.options.handles,
originalRequest: this.options.originalRequest,
version: version
};
for (ii = 0; ii < placeholders.length; ii++) {
data.blocks.push(placeholders[ii].name);
}
data.blocks = JSON.stringify(data.blocks.sort());
data.handles = JSON.stringify(data.handles);
data.originalRequest = JSON.stringify(data.originalRequest);
$.ajax({
url: this.options.url,
data: data,
type: 'GET',
cache: true,
dataType: 'json',
context: this,
/**
* Response handler
* @param {Object} response
*/
success: function (response) {
var placeholder, i;
for (i = 0; i < placeholders.length; i++) {
placeholder = placeholders[i];
if (response.hasOwnProperty(placeholder.name)) {
this._replacePlaceholder(placeholder, response[placeholder.name]);
}
}
}
});
}
});
domReady(function () {
formKeyInit();
});
return {
'pageCache': $.mage.pageCache,
'formKey': $.mage.formKey
};
});