{% extends "base.html" %}

{% block extrahead %}
  {{ super() }}
  <!-- Patch URL constructor to handle relative URLs (e.g. new URL(".")) without a base -->
  <script>
    (function () {
      var _URL = window.URL;
      function PatchedURL(url, base) {
        if (base === undefined && typeof url === "string" && !url.match(/^[a-zA-Z][a-zA-Z0-9+\-.]*:/)) {
          base = location.href;
        }
        return new _URL(url, base);
      }
      PatchedURL.prototype = _URL.prototype;
      PatchedURL.createObjectURL = _URL.createObjectURL.bind(_URL);
      PatchedURL.revokeObjectURL = _URL.revokeObjectURL.bind(_URL);
      window.URL = PatchedURL;
    })();
  </script>
{% endblock %}

{% block htmltitle %}
  {% if page and page.title and config.site_name and page.title == config.site_name %}
    <title>{{ page.title }}</title>
  {% else %}
    {{ super() }}
  {% endif %}
{% endblock %}

{% block outdated %}
  <span data-next-version-message hidden>
    You're viewing the <strong>unreleased</strong> (next) version of this documentation. Content may be incomplete or subject to change.
    <a href="{{ '../' ~ base_url }}/{{ config.extra.version.default }}/{{ page.url }}">
      <strong>Click here to go to the latest stable version.</strong>
    </a>
  </span>
  <span data-non-next-version-message>
    You're not viewing the latest version.
    <a href="{{ '../' ~ base_url }}/{{ config.extra.version.default }}/{{ page.url }}">
      <strong>Click here to go to latest.</strong>
    </a>
  </span>
  <script>
    (function () {
      var path = window.location.pathname || "";
      var isNextVersion = /(^|\/)next(\/|$)/.test(path);
      var nextMessage = document.querySelector("[data-next-version-message]");
      var nonNextMessage = document.querySelector("[data-non-next-version-message]");
      if (!nextMessage || !nonNextMessage) {
        return;
      }
      nextMessage.hidden = !isNextVersion;
      nonNextMessage.hidden = isNextVersion;
    })();
  </script>
{% endblock %}