yandex-ads-parser.html

<div id="yandex_ad"></div>

<script type="text/javascript">

    (function(w, d, n, s, t) {
    w[n] = w[n] || [];
    w[n].push(function() {
    Ya.Direct.insertInto(108006, "yandex_ad", {
    site_charset: "utf-8",
    ad_format: "direct",
    font_size: 1,
    type: "horizontal",
    limit: 4,
    title_font_size: 3,
    site_bg_color: "FFFFFF",
    header_bg_color: "FEEAC7",
    title_color: "0000CC",
    url_color: "006600",
    text_color: "000000",
    hover_color: "0066FF"
    });
    });
    t = d.getElementsByTagName('head')[0];
    s = d.createElement("script");
    s.type = "text/javascript";
    s.src = "http://an.yandex.ru/system/context.js";
    s.setAttribute("async", "true");
    t.insertBefore(s, t.firstChild);
    })(window, document, "yandex_context_callbacks");
     
    /* Parser */
     
    var yandexAds = {
     
        init: function(){
     
            if ( !window.localStorage || !document.querySelector ) {
                return;
            }

            function isEqual(obj1, obj2){
                function size(obj){
                    var size = 0;
                    for ( var prop in obj ) {
                        size++;
                    }
                    return size;
                };
                if ( size(obj1) === size(obj2) ) {
                    for ( var prop in obj1 ) {
                        if ( obj1[prop] !== obj2[prop] ) {
                            return false;
                        }
                    }
                    return true;
                }
                return false;
            }

            function proxy(func, context){
                return function(){
                    func.apply(context || this, arguments);
                };
            };

            this.storedData = JSON.parse(localStorage.getItem('yandex-ad-data'));
            this.items = document.querySelectorAll('.ya-partner__item');

            if ( this.items.length ) {
                this.data = this.getAdsData(this.items);
                if ( isEqual(this.data, this.storedData) ) {
                    this.sendData(this.data);
                    localStorage.setItem('yandex-ad-data', JSON.stringify(this.data));
                }
            }
            else {
                setTimeout(proxy(this.init, this), 1000);
            }
        },
        getAdsData: function(items){
            var itemsArr = [];
            for ( var i = 0, l = items.length; i < l; i++ ) {
                itemsArr.push( this.parseBlock(items[i]) );
            }
            return itemsArr;
        },

        parseBlock: function(container){
            return {
                title: container.querySelector('.ya-partner__title-link-text').innerText,
                text: container.querySelector('.ya-partner__text').innerText,
                url: container.querySelector('.ya-partner__domain').innerText
            };
        },
        sendData: function(data){
            new Image().src = '/hc/context_tracker?data=' + encodeURIComponent(JSON.stringify(data));
        },
     
    };
     
    yandexAds.init();

</script>