Add 'show_edit_btn' param for example shortcode

site/content/docs/5.1/components/alerts.md

@@ -27,7 +27,7 @@ Alerts are available for any length of text, as well as an optional close button
 
 Click the button below to show an alert (hidden with inline styles to start), then dismiss (and destroy) it with the built-in close button.
 
-{{< example >}}
+{{< example show_edit_btn="false" >}}
 <div id="liveAlertPlaceholder"></div>
 <button type="button" class="btn btn-primary" id="liveAlertBtn">Show live alert</button>
 {{< /example >}}

site/layouts/shortcodes/example.html

@@ -6,13 +6,15 @@
     * class: any extra class(es) to be added to the `div` - default: ""
     * show_preview: if the preview should be output in the HTML - default: `true`
     * show_markup: if the markup should be output in the HTML - default: `true`
+    * show_edit_btn: if the edit button should be displayed - default: `true`
 */ -}}
 
 {{- $id := .Get "id" -}}
 {{- $class := .Get "class" -}}
 {{- $lang := .Get "lang" | default "html" -}}
 {{- $show_preview := .Get "show_preview" | default true -}}
 {{- $show_markup := .Get "show_markup" | default true -}}
+{{- $show_edit_btn := .Get "show_edit_btn" | default true -}}
 {{- $input := .Inner -}}
 
 {{- if eq $show_preview true -}}
@@ -22,9 +24,11 @@
 {{- end -}}
 
 {{- if eq $show_markup true -}}
+  {{- if eq $show_edit_btn true -}}
   <div class="bd-edit">
     <button type="button" class="btn-edit text-nowrap" title="Try it on StackBlitz">Try it</button>
   </div>
+  {{- end -}}
   {{- $content := replaceRE `<svg class="bd-placeholder-img(?:-lg)?(?: *?bd-placeholder-img-lg)? ?(.*?)".*?<\/svg>\n` `<img src="..." class="$1" alt="...">` $input -}}
   {{- $content = replaceRE ` (class=" *?")` "" $content -}}
   {{- highlight (trim $content "\n") $lang "" -}}