61 lines
1.6 KiB
JavaScript
61 lines
1.6 KiB
JavaScript
/* eslint-env browser */
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require(['gitbook'], function (gitbook) {
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var adInsertPoint = '.page-inner section'
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, adPosition = 'bottom'
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, ad;
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gitbook.events.bind('start', function (e, cnf) {
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const config = cnf.adsense;
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// Use custom insert point if defined
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if (config.element) {
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adInsertPoint = config.element;
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}
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// Use custom position if defined
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if (config.position) {
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adPosition = config.position;
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}
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// Inject script to head.
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var adsByGoogleScript = document.createElement('script');
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adsByGoogleScript.src = '//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js';
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adsByGoogleScript.setAttribute('async', true);
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document.body.appendChild(adsByGoogleScript);
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// Generate <ins> (ad)
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ad = document.createElement('ins');
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ad.style = 'display: block';
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ad.className = 'adsbygoogle';
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ad.setAttribute('data-ad-client', config.client);
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ad.setAttribute('data-ad-slot', config.slot);
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ad.setAttribute('data-ad-format', config.format);
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// Add the ad to the DOM
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var element = document.querySelector(adInsertPoint);
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if (adPosition === 'top') {
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element.insertBefore(ad, element.firstChild);
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} else {
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element.appendChild(ad);
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}
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(adsbygoogle = window.adsbygoogle || []).push({}); // eslint-disable-line
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});
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// I insert ad again when switching pages
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gitbook.events.bind('page.change', function () {
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if (ad) {
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var element = document.querySelector(adInsertPoint);
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if (adPosition === 'top') {
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element.insertBefore(ad, element.firstChild);
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} else {
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element.appendChild(ad);
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}
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}
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});
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});
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