fix: correction ordre sous-pages

_includes/layouts/base-subpage.njk

@@ -24,10 +24,8 @@ layout: layouts/parent.njk
   <div class="card">
     <h2>Pages sœurs</h2>
     <ol>
-      {%- for post in collections.all | sort(false, true, "data.eleventySubNavigation.order") -%}
-        {%- if post.data.eleventySubNavigation.parent == eleventySubNavigation.parent -%}
+      {%- for post in collections.all | getSubPages(eleventySubNavigation.parent) -%}
         <li><a href="{{ post.url }}">{{ post.data.eleventySubNavigation.key }}</a></li>
-        {%- endif -%}
       {%- endfor -%}
     </ol>
   </div>

_includes/layouts/base-toppage.njk

@@ -15,10 +15,8 @@ layout: layouts/parent.njk
   <div class="card">
     <h2>Sous-pages</h2>
     <ol>
-      {%- for post in collections.all | sort(false, true, "data.eleventySubNavigation.order") -%}
-        {%- if post.data.eleventySubNavigation.parent == eleventyNavigation.key -%}
+      {%- for post in collections.all | getSubPages(eleventyNavigation.key) -%}
         <li><a href="{{ post.url }}">{{ post.data.eleventySubNavigation.key }}</a></li>
-        {%- endif -%}
       {%- endfor -%}
     </ol>
   </div>

content/beta/johto/index.md

@@ -15,10 +15,8 @@ Le but de cette page est de montrer comment différents lieux ont évolués entr
 ## Sous-pages
 
 <ul>
-  {%- for post in collections.all | sort(false, true, "data.eleventySubNavigation.order") -%}
-    {%- if post.data.eleventySubNavigation.parent == eleventyNavigation.key -%}
+  {%- for post in collections.all | getSubPages(eleventyNavigation.key) -%}
     <li><a href="{{ post.url }}">{{ post.data.eleventySubNavigation.key }}</a></li>
-    {%- endif -%}
   {%- endfor -%}
 </ul>
 

eleventy.config.js

@@ -53,6 +53,18 @@ module.exports = function(eleventyConfig) {
 		return DateTime.fromJSDate(dateObj, {zone: 'utc'}).toFormat('yyyy-LL-dd');
 	});
 
+	eleventyConfig.addFilter("getSubPages", (array, parent) => {
+		if (!Array.isArray(array) || array.length === 0) {
+			return [];
+		}
+		return array
+			.filter(arrayElement => { 
+				return arrayElement.data.eleventySubNavigation && arrayElement.data.eleventySubNavigation?.parent === parent 
+			}).sort(
+				(a, b) => a.data.eleventySubNavigation.order - b.data.eleventySubNavigation.order
+			);
+	});
+
 	// Get the first `n` elements of a collection.
 	eleventyConfig.addFilter("head", (array, n) => {
 		if(!Array.isArray(array) || array.length === 0) {