https://blog.aryng.com/wp-content/plugins/wordpress-popular-posts/assets/js/wpp.js?ver=7.2.0

1const wpp_params = document.currentScript.dataset;
2const WordPressPopularPosts = (function() {
3
4    "use strict";
5
6    const noop = function(){};
7
8    const get = function( url, params, callback, additional_headers ){
9        callback = ( 'function' === typeof callback ) ? callback : noop;
10        ajax( "GET", url, params, callback, additional_headers );
11    };
12
13    const post = function( url, params, callback, additional_headers ){
14        callback = ( 'function' === typeof callback ) ? callback : noop;
15        ajax( "POST", url, params, callback, additional_headers );
16    };
17
18    const ajax = function( method, url, params, callback, additional_headers ){
19        /* Create XMLHttpRequest object and set variables */
20        let xhr = new XMLHttpRequest(),
21            target = url,
22            args = params,
23            valid_methods = ["GET", "POST"],
24            headers = {
25                'X-Requested-With': 'XMLHttpRequest'
26            };
27
28        method = -1 != valid_methods.indexOf( method ) ? method : "GET";
29
30        /* Set request headers */
31        if ( 'POST' == method ) {
32            headers['Content-Type'] = 'application/x-www-form-urlencoded';
33        }
34
35        if ( 'object' == typeof additional_headers && Object.keys(additional_headers).length ) {
36            headers = Object.assign({}, headers, additional_headers);
37        }
38
39        /* Set request method and target URL */
40        xhr.open( method, target + ( 'GET' == method ? '?' + args : '' ), true );
41
42        for (const key in headers) {
43            if ( headers.hasOwnProperty(key) ) {
44                xhr.setRequestHeader( key, headers[key] );
45            }
46        }
47
48        /* Hook into onreadystatechange */
49        xhr.onreadystatechange = function() {
50            if ( 4 === xhr.readyState && 200 <= xhr.status && 300 > xhr.status ) {
51                if ( 'function' === typeof callback ) {
52                    callback.call( undefined, xhr.response );
53                }
54            }
55        };
56
57        /* Send request */
58        xhr.send( ( 'POST' == method ? args : null ) );
59    };
60
61    const theme = function(wpp_list) {
62        let base_styles = document.createElement('style'),
63            dummy_list = document.createElement('ul');
64
65        dummy_list.innerHTML = '<li><a href="#"></a></li>';
66        wpp_list.parentNode.appendChild(dummy_list);
67
68        let dummy_list_item_styles = getComputedStyle(dummy_list.querySelector('li')),
69            dummy_link_item_styles = getComputedStyle(dummy_list.querySelector('li a'));
70
71        base_styles.innerHTML = '.wpp-list li {font-size: '+ dummy_list_item_styles.fontSize +'}';
72        base_styles.innerHTML += '.wpp-list li a {color: '+ dummy_link_item_styles.color +'}';
73
74        wpp_list.parentNode.removeChild(dummy_list);
75
76        let wpp_list_sr = wpp_list.attachShadow({mode: "open"});
77
78        wpp_list_sr.append(base_styles);
79
80        while(wpp_list.firstElementChild) {
81            wpp_list_sr.append(wpp_list.firstElementChild);
82        }
83    };
84
85    return {
86        get: get,
87        post: post,
88        ajax: ajax,
89        theme: theme
90    };
91
92})();
93
94(function(){
95    if ( ! Object.keys(wpp_params).length ) {
96        console.error('WPP params not found, if you are using a JS minifier tool please add wpp.min.js to its exclusion list');
97        return;
98    }
99
100    const post_id = Number(wpp_params.postId);
101    let do_request = true;
102
103    if ( post_id ) {
104        if ( '1' == wpp_params.sampling ) {
105            let num = Math.floor(Math.random() * wpp_params.samplingRate) + 1;
106            do_request = ( 1 === num );
107        }
108
109        if ( 'boolean' === typeof window.wpp_do_request ) {
110            do_request = window.wpp_do_request;
111        }
112
113        if ( do_request ) {
114            WordPressPopularPosts.post(
115                wpp_params.apiUrl + '/v2/views/' + post_id,
116                "_wpnonce=" + wpp_params.token + "&sampling=" + wpp_params.sampling + "&sampling_rate=" + wpp_params.samplingRate,
117                function( response ) {
118                    wpp_params.debug&&window.console&&window.console.log&&window.console.log(JSON.parse(response));
119                }
120            );
121        }
122    }
123})();
124
125document.addEventListener('DOMContentLoaded', function() {
126    if ( ! Object.keys(wpp_params).length ) {
127        return;
128    }
129
130    const widget_placeholders = document.querySelectorAll('.wpp-widget-block-placeholder, .wpp-shortcode-placeholder');
131    let w = 0;
132
133    while ( w < widget_placeholders.length ) {
134        fetchWidget(widget_placeholders[w]);
135        w++;
136    }
137
138    const sr = document.querySelectorAll('.popular-posts-sr');
139
140    if ( sr.length ) {
141        for( let s = 0; s < sr.length; s++ ) {
142            WordPressPopularPosts.theme(sr[s]);
143        }
144    }
145
146    function fetchWidget(widget_placeholder) {
147        let headers = {
148                'Content-Type': 'application/json',
149                'X-WP-Nonce': wpp_params.token
150            },
151            params = '',
152            method = 'POST',
153            url = wpp_params.apiUrl + '/v2/widget?is_single=' + wpp_params.postId + ( wpp_params.lang ? '&lang=' + wpp_params.lang : '' );
154
155        let json_tag = widget_placeholder.parentNode.querySelector('script[type="application/json"]');
156
157        if ( json_tag ) {
158            let args = JSON.parse(json_tag.textContent.replace(/[\n\r]/g,''));
159            params = JSON.stringify(args);
160        }
161
162        WordPressPopularPosts.ajax(
163            method,
164            url,
165            params,
166            function(response) {
167                renderWidget(response, widget_placeholder);
168            },
169            headers
170        );
171    }
172
173    function renderWidget(response, widget_placeholder) {
174        widget_placeholder.insertAdjacentHTML('afterend', JSON.parse(response).widget);
175
176        let parent = widget_placeholder.parentNode,
177            sr = parent.querySelector('.popular-posts-sr'),
178            json_tag = parent.querySelector('script[type="application/json"]');
179
180        if ( json_tag )
181            parent.removeChild(json_tag);
182
183        parent.removeChild(widget_placeholder);
184        parent.classList.add('wpp-ajax');
185
186        if ( sr ) {
187            WordPressPopularPosts.theme(sr);
188        }
189
190        let event = new Event("wpp-onload", {"bubbles": true, "cancelable": false});
191        parent.dispatchEvent(event);
192    }
193});