kubernetes-handbook/gitbook/gitbook-plugin-adsense/plugin.js

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2018-10-12 15:57:37 +08:00
/* eslint-env browser */
require(['gitbook'], function (gitbook) {
var adInsertPoint = '.page-inner section'
, adPosition = 'bottom'
, ad;
gitbook.events.bind('start', function (e, cnf) {
const config = cnf.adsense;
// Use custom insert point if defined
if (config.element) {
adInsertPoint = config.element;
}
// Use custom position if defined
if (config.position) {
adPosition = config.position;
}
// Inject script to head.
var adsByGoogleScript = document.createElement('script');
adsByGoogleScript.src = '//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js';
adsByGoogleScript.setAttribute('async', true);
document.body.appendChild(adsByGoogleScript);
// Generate <ins> (ad)
ad = document.createElement('ins');
ad.style = 'display: block';
ad.className = 'adsbygoogle';
ad.setAttribute('data-ad-client', config.client);
ad.setAttribute('data-ad-slot', config.slot);
ad.setAttribute('data-ad-format', config.format);
// Add the ad to the DOM
var element = document.querySelector(adInsertPoint);
if (adPosition === 'top') {
element.insertBefore(ad, element.firstChild);
} else {
element.appendChild(ad);
}
(adsbygoogle = window.adsbygoogle || []).push({}); // eslint-disable-line
});
// I insert ad again when switching pages
gitbook.events.bind('page.change', function () {
if (ad) {
var element = document.querySelector(adInsertPoint);
if (adPosition === 'top') {
element.insertBefore(ad, element.firstChild);
} else {
element.appendChild(ad);
}
}
});
});