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26 lines
1.2 KiB
Handlebars
26 lines
1.2 KiB
Handlebars
{{! Move to template code after fixing this issue:
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https://github.com/google/mdbook-i18n-helpers/issues/70 }}
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<script>
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(function () {
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// See these pages for details:
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// https://developers.google.com/search/docs/crawling-indexing/consolidate-duplicate-urls
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// https://developers.google.com/search/docs/crawling-indexing/javascript/javascript-seo-basics
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let base = "https://rust-unofficial.github.io/patterns";
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{{#if(eq language "en")}}
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let canonical_href = `${base}/{{ path }}`;
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{{else}}
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let canonical_href = `${base}/{{ language }}/{{ path }}`;
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{{/if}}
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// mdbook gives us a string ending in ".md", we replace it with ".html":
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canonical_href = canonical_href.slice(0, -"md".length) + "html";
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if (canonical_href.endsWith("/index.html")) {
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canonical_href = canonical_href.slice(0, -"index.html".length);
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}
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let link = document.createElement("link");
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link.rel = "canonical";
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link.href = canonical_href;
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document.head.appendChild(link);
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}) ()
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</script> |