allow posts without dates

pkgs-lib.nix

@@ -90,10 +90,14 @@ in {
                   __displayName = l.head (l.splitString "." name);
                   _displayName = l.splitString "_" __displayName;
                   id = l.replaceStrings [" "] ["_"] __displayName;
+                  date = l.head _displayName;
                 in {
                   inherit id;
                   displayName = l.last _displayName;
-                  date = l.head _displayName;
+                  date =
+                    if date == ""
+                    then null
+                    else date;
                   content = l.readFile (parseMarkdown id (l.readFile (path + "/${name}")));
                 }
               ))
@@ -104,7 +108,11 @@ in {
                   d = getPart p.date;
                   od = getPart op.date;
                 in
-                  !(((d 0) > (od 0)) && ((d 1) > (od 1)) && ((d 2) > (od 2)))
+                  if p.date == null
+                  then false
+                  else if op.date == null
+                  then true
+                  else !(d 0 > od 0 && d 1 > od 1 && d 2 > od 2)
               ))
             ];
           pagesRendered = let

templaters/simple/default.nix

@@ -15,7 +15,11 @@
       with html;
         article [
           (h1 {inherit (post) id;} post.displayName)
+          (
+            l.optionalString
+            (post.date != null)
             (h4 {class = "nohashtag";} ("date: " + post.date))
+          )
           post.content
         ];
 
@@ -70,7 +74,8 @@
         )
       );
 
-    postsLinks = with html;
+    mkPostsLinks = posts:
+      with html;
         l.singleton
         (ul (
           l.map
@@ -78,13 +83,23 @@
             post:
               li (
                 a {href = "${ctx.baseurl}/${post.id}";}
-              "${post.date} - ${post.displayName}"
+                (
+                  if post.date != null
+                  then "${post.date} - ${post.displayName}"
+                  else post.displayName
                 )
               )
-        ctx.posts
+          )
+          posts
         ));
+    postsLinksWithDate = mkPostsLinks (l.filter (p: p.date != null) ctx.posts);
+    postsLinksWithoutDate = mkPostsLinks (l.filter (p: p.date == null) ctx.posts);
 
-    postsSectionContent = [(html.h1 "posts")] ++ postsLinks;
+    postsSectionContent =
+      [(html.h1 "posts")]
+      ++ postsLinksWithDate
+      ++ [(html.h2 "miscellaneous")]
+      ++ postsLinksWithoutDate;
 
     postsRendered = l.listToAttrs (
       l.map