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comprehensive-rust/theme/head.hbs
Martin Geisler 0d566ce042
Move JavaScript code to head template (#1210)
This will simplify our mdbook updates since there will be fewer
customizations to copy over when a new mdbook version has changes to the
`index.hbs` template.
2023-09-15 09:52:22 +00:00

38 lines
1.5 KiB
Handlebars

<script async src="https://www.gstatic.com/brandstudio/kato/cookie_choice_component/cookie_consent_bar.v3.js"
data-autoload-cookie-consent-bar="true"></script>
<script async src="https://www.googletagmanager.com/gtag/js?id=G-ZN78TEJMRW"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'G-ZN78TEJMRW');
</script>
{{! Move to template code after fixing this issue:
https://github.com/google/mdbook-i18n-helpers/issues/70 }}
<script>
(function () {
// See these pages for details:
// https://developers.google.com/search/docs/crawling-indexing/consolidate-duplicate-urls
// https://developers.google.com/search/docs/crawling-indexing/javascript/javascript-seo-basics
let base = "https://google.github.io/comprehensive-rust";
{{#if (eq language "en")}}
let canonical_href = `${base}/{{ path }}`;
{{else}}
let canonical_href = `${base}/{{ language }}/{{ path }}`;
{{/if}}
// mdbook gives us a string ending in ".md", we replace it with ".html":
canonical_href = canonical_href.slice(0, -"md".length) + "html";
if (canonical_href.endsWith("/index.html")) {
canonical_href = canonical_href.slice(0, -"index.html".length);
}
let link = document.createElement("link");
link.rel = "canonical";
link.href = canonical_href;
document.head.appendChild(link);
})()
</script>