Update Hugo from 0.126.1 to 0.152.2 and fix deprecated features

Co-authored-by: tjeerdijk <26492048+tjeerdijk@users.noreply.github.com>

Author: Copilot

layouts/partials/css.html

@@ -1,7 +1,7 @@
 <!-- Include all theme CSS filenames here -->
 {{- $page := . -}}
 
-{{- $inServerMode := .Site.IsServer -}}
+{{- $inServerMode := hugo.IsServer -}}
 {{- $sass         := (slice "theme-css/fresh/core.scss") -}}
 {{- $cssOpts      := cond ($inServerMode) (dict "enableSourceMap" true) (dict "outputStyle" "compressed") -}}
 

layouts/partials/javascript.html

@@ -0,0 +1,42 @@
+{{- $inServerMode := hugo.IsServer -}}
+
+<script src="https://code.jquery.com/jquery-3.6.4.min.js"></script>
+
+<!-- Custom JS -->
+<!-- All JS files under static/js are included -->
+{{- $jsFiles := resources.Match "js/*.js" -}}
+{{- if $inServerMode -}}
+{{- $js := $jsFiles | resources.Concat "js/bundle.js" }}
+<script type="text/javascript" src={{ $js.RelPermalink }}></script>
+{{ else }}
+{{- $js := $jsFiles | resources.Concat "js/bundle.js" | resources.Minify }}
+<script type="text/javascript" src={{ $js.RelPermalink }}></script>
+{{- end -}}
+
+<script type="text/javascript">setupShortcuts(maxLevel={{ default 2 .Page.Params.shortcutDepth }});</script>
+
+{{- if .HasShortcode "youtube" }}
+<script type="text/javascript">
+  var buttons = document.getElementsByClassName("video-transcript-button");
+  var i;
+
+  for (i = 0; i < buttons.length; i++) {
+    buttons[i].addEventListener("click", function() {
+      this.classList.toggle("active");
+      var content = this.nextElementSibling;
+      if (content.style.display === "block") {
+        content.style.display = "none";
+      } else {
+        content.style.display = "block";
+      }
+    });
+  }
+</script>
+{{ end -}}
+
+{{- if .HasShortcode "mermaid" }}
+<script type="module">
+  import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid@10.1.0/dist/mermaid.esm.min.mjs';
+  mermaid.initialize({ startOnLoad: true });
+</script>
+{{ end -}}

netlify.toml

@@ -1,2 +1,2 @@
 [build.environment]
-HUGO_VERSION = "0.126.1"
+HUGO_VERSION = "0.152.2"