cfg: make SPA optional

layouts/partials/backlinks.html

@@ -10,6 +10,7 @@
     {{$cleanedInbound := apply (apply $inbound "index" "." "source") "replace" "." " " "-"}}
     {{- range $cleanedInbound | uniq -}}
       {{$l := printf "%s%s/" $host .}}
+      {{$l = cond (eq $l "//") "/" $l}}
       {{with (index $contentTable .)}}
       <li>
           <a href="{{$l}}">{{index (index . "title")}}</a>

layouts/partials/graph.html

@@ -16,3 +16,14 @@
 </style>
 {{ $js := resources.Get "js/graph.js" | resources.Fingerprint "md5" }}
 <script src="{{ $js.Permalink }}"></script>
+<script>
+drawGraph(
+  {{strings.TrimRight "/" .Page.Permalink}},
+  {{strings.TrimRight "/" .Site.BaseURL}},
+  {{$.Site.Data.graphConfig.paths}},
+  {{$.Site.Data.graphConfig.depth}},
+  {{$.Site.Data.graphConfig.enableDrag}},
+  {{$.Site.Data.graphConfig.enableLegend}},
+  {{$.Site.Data.graphConfig.enableZoom}}
+);
+</script>

layouts/partials/head.html

@@ -58,6 +58,7 @@
           content,
         }))
   </script>
+  {{if $.Site.Data.config.enableSPA}}
   <script type="module">
     import { router, navigate } from "https://unpkg.com/million/dist/router.mjs";
     // SPA navigation for access later
@@ -89,5 +90,8 @@
     window.addEventListener("million:navigate", callback);
     window.addEventListener("DOMContentLoaded", callback);
   </script>
+  {{else}}
+  <script>window.navigate = (url) => window.location.href = url</script>
+  {{end}}
 </head>
 {{ template "_internal/google_analytics.html" . }}