<head>
  <!-- Meta tags -->
  <meta charset="UTF-8" />
  <meta
    name="description"
    content="{{if .IsHome}}{{$.Site.Data.config.description}}{{else}}{{.Summary}}{{end}}"
  />
  <title>
    {{ if .Title }}{{ .Title }}{{ else }}{{ $.Site.Data.config.page_title }}{{
    end }}
  </title>
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <link
    rel="shortcut icon"
    type="image/png"
    href="{{$.Site.BaseURL}}/icon.png"
  />

  <!-- CSS Stylesheets and Fonts -->
  <link
    href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=Source+Sans+Pro:wght@400;600;700&family=Fira+Code:wght@400;700&display=swap"
    rel="stylesheet"
  />
  {{$sass := resources.Match "styles/[!_]*.scss" }}
  {{$css := slice }}
  {{range $sass}}
  {{$scss := . | resources.ToCSS (dict "outputStyle" "compressed") }}
  {{$css = $css | append $scss}}
  {{end}}
  {{$finalCss := $css | resources.Concat "styles.css" | resources.Fingerprint "md5" | resources.Minify  }}
  <link href="{{$finalCss.Permalink}}" rel="stylesheet" />

  {{ $darkMode := resources.Get "js/darkmode.js" | resources.Fingerprint "md5" | resources.Minify }}
  <script src="{{$darkMode.Permalink}}"></script>
  {{partial "katex.html" .}}

  {{ $popover := resources.Get "js/popover.js" | resources.Fingerprint "md5" |
  resources.Minify }}
  <script src="{{$popover.Permalink}}"></script>

  <!--  Preload page vars  -->
  {{$linkIndex := resources.Get "indices/linkIndex.json" | resources.Fingerprint
  "md5" | resources.Minify | }} {{$contentIndex := resources.Get
  "indices/contentIndex.json" | resources.Fingerprint "md5" | resources.Minify
  }}
  <script>
    const BASE_URL = {{.Site.BaseURL}}
    const fetchData = Promise.all([
          fetch("{{ $linkIndex.Permalink }}")
            .then(data => data.json())
            .then(data => ({
              index: data.index,
              links: data.links,
            })),
          fetch("{{ $contentIndex.Permalink }}")
            .then(data => data.json()),
        ])
        .then(([{index, links}, content]) => ({
          index,
          links,
          content,
        }))

    const draw = () => {
      // NOTE: everything within this callback will be executed for every page navigation. This is a good place to put JavaScript that loads or modifies data on the page.
      {{if $.Site.Data.config.enableFooter}}
      const container = document.getElementById("graph-container")
      // retry if the graph is not ready
      if (!container) return requestAnimationFrame(draw)
      // clear the graph in case there is anything within it
      container.textContent = ""

      drawGraph(
        {{strings.TrimRight "/" .Site.BaseURL}},
        {{$.Site.Data.graphConfig.paths}},
        {{$.Site.Data.graphConfig.depth}},
        {{$.Site.Data.graphConfig.enableDrag}},
        {{$.Site.Data.graphConfig.enableLegend}},
        {{$.Site.Data.graphConfig.enableZoom}}
      );
      {{end}}
      {{if $.Site.Data.config.enableLinkPreview}}
      initPopover(
        {{strings.TrimRight "/" .Site.BaseURL }},
        {{$.Site.Data.config.enableContextualBacklinks}},
        {{$.Site.Data.config.enableLatex}}
      )
      {{end}}
      {{if $.Site.Data.config.enableLatex}}
      renderMathInElement(document.body, {
        delimiters: [
          {left: '$$', right: '$$', display: true},
          {left: '$', right: '$', display: false},
        ],
        throwOnError : false
      });
      {{end}}
    };
  </script>
  {{if $.Site.Data.config.enableSPA}}
  {{ $router := resources.Get "js/router.js" | resources.Fingerprint "md5" |
  resources.Minify }}
  <script type="module">
    import { attachSPARouting } from "{{$router.Permalink}}"
    attachSPARouting(draw)
  </script>
  {{else}}
  <script>
    window.Million = {
      navigate: (url) => (window.location.href = url),
      prefetch: () => {},
    }
    draw()
  </script>
  {{end}}
</head>
{{ template "_internal/google_analytics.html" . }}