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(function () { |
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if ('undefined' === typeof ajax_tptn_tracker) { |
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return; |
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} |
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|
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var tracker = ajax_tptn_tracker; |
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var tracked = false; |
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|
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function send(id, context) { |
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var params = new URLSearchParams({ |
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action: 'tptn_tracker', |
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top_ten_id: id, |
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top_ten_blog_id: tracker.top_ten_blog_id, |
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activate_counter: tracker.activate_counter, |
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top_ten_debug: tracker.top_ten_debug |
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}); |
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|
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if (context) { |
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params.append('top_ten_sitewide_context', context); |
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} |
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|
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var url = tracker.ajax_url; |
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if ('query_based' === tracker.tracker_type) { |
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url += (url.includes('?') ? '&' : '?') + params; |
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} |
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|
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// Keep URLSearchParams as the beacon body so WordPress parses the payload as form data. |
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if ('1' === tracker.top_ten_debug || !navigator.sendBeacon || !navigator.sendBeacon(url, params)) { |
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fetch(url, { method: 'POST', body: params, keepalive: true }).catch(function () {}); |
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} |
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} |
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|
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function track() { |
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if (tracked) { |
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return; |
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} |
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if (document.prerendering) { |
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document.addEventListener('prerenderingchange', track, { once: true }); |
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return; |
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} |
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if ('hidden' === document.visibilityState) { |
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document.addEventListener('visibilitychange', track, { once: true }); |
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return; |
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} |
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|
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tracked = true; |
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if (tracker.top_ten_id > 0) { |
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send(tracker.top_ten_id, ''); |
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} |
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if (tracker.top_ten_sitewide_context) { |
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send(0, tracker.top_ten_sitewide_context); |
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} |
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} |
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|
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if ('loading' === document.readyState) { |
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document.addEventListener('DOMContentLoaded', track); |
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} else { |
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track(); |
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} |
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|
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window.addEventListener('pageshow', function (event) { |
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if (event.persisted) { |
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tracked = false; |
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track(); |
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} |
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}); |
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})(); |
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|
