shortcodes: don't break build and render for invalid parameters #480

exampleSite/content/tests/frontmatter.en.md

@@ -0,0 +1,43 @@
++++
+description = "Test default settings for snippets of the VSCode Front Matter extension"
+title = "VSCode Front Matter"
++++
+
+## Empty Properties
+
+{{< attachments title="" pattern="" sort="" style="" color="" icon="" />}}
+
+{{< badge title="" style="" color="" icon="" >}}{{< /badge >}}
+
+{{< button href="" target="" type="" style="" color="" icon="" iconposition="" >}}{{< /button >}}
+
+{{< children description="" depth="" sort="" showhidden="" containerstyle="" style="" >}}
+
+{{% expand title="" open="" %}}{{% /expand %}}
+
+a{{< icon  >}}a
+
+{{< include file="" hidefirstheading="" >}}
+
+````math align=""
+
+````
+
+````mermaid align="" zoom=""
+
+````
+
+{{% notice title="" style="" color="" icon="" %}}{{% /notice %}}
+
+{{< siteparam  >}}
+
+{{< swagger src="" >}}
+
+{{< tabs groupid="" >}}
+{{% tab name="" %}}
+
+{{% /tab %}}
+{{% tab name="" %}}
+
+{{% /tab %}}
+{{< /tabs >}}

exampleSite/content/tests/frontmatter.pir.md

@@ -0,0 +1,5 @@
++++
+description = "Test default settings for snippets of the VSCode Front Matter extension"
+title = "VSCode Front Matter"
++++
+{{< piratify >}}

layouts/partials/shortcodes/include.html

@@ -4,10 +4,12 @@
 {{- if eq (printf "%T" $hideFirstHeading) "string" }}
 	{{- $hideFirstHeading = (eq $hideFirstHeading "true") }}
 {{- end }}
-{{- if $hideFirstHeading }}<div class="include hide-first-heading">{{ end }}
+{{- if and (gt (len (trim $file " ")) 0) (fileExists $file) }}
-{{- with $context }}
+	{{- if $hideFirstHeading }}<div class="include hide-first-heading">{{ end }}
+	{{- with $context }}
 
 {{ $file | readFile | safeHTML }}
 
-{{- if $hideFirstHeading }}</div>{{ end }}
+	{{- end }}
+	{{- if $hideFirstHeading }}</div>{{ end }}
 {{- end }}

static/css/tabs.css

@@ -24,6 +24,10 @@ html[dir="rtl"] #body .tab-nav-button{
     float: right;
 }
 
+#body .tab-nav-button:after {
+    content: "\200b"
+}
+
 #body .tab-nav-button:first-child{
     margin-inline-start: 9px;
 }

static/css/theme.css

@@ -1318,6 +1318,11 @@ html[dir="rtl"] .expand > .expand-label > i.fa-chevron-right {
     white-space: nowrap;
 }
 
+.btn > *:after {
+    /* avoid breakage if no content is given */
+    content: "\200b"
+}
+
 #body #body-inner .btn > *.highlight:after {
     background-color: transparent;
 }
@@ -1700,6 +1705,10 @@ html[dir] #sidebar .collapsible-menu input.toggle:checked:before {
     border-end-start-radius: 0;
 }
 
+.badge-content:after {
+    /* avoid breakage if no content is given */
+    content: "\200b";
+}
 /* task list and its checkboxes */
 article ul li:has(input[type="checkbox"]) {
     list-style: none;