From af3b016717605153abf786390f9fa3d77ce402e0 Mon Sep 17 00:00:00 2001
From: Volpeon <git@volpeon.ink>
Date: Mon, 13 Jun 2022 08:43:35 +0200
Subject: Control list flattening via metadata

---
 scripts/metadata_filter.lua | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

(limited to 'scripts/metadata_filter.lua')

diff --git a/scripts/metadata_filter.lua b/scripts/metadata_filter.lua
index cb060fa..07f060c 100644
--- a/scripts/metadata_filter.lua
+++ b/scripts/metadata_filter.lua
@@ -27,6 +27,19 @@ function pandoc.List:take(n)
     return result
 end
 
+function dump(o)
+    if type(o) == 'table' then
+        local s = '{ '
+        for k, v in pairs(o) do
+            if type(k) ~= 'number' then k = '"' .. k .. '"' end
+            s = s .. '[' .. k .. '] = ' .. dump(v) .. ','
+        end
+        return s .. '} '
+    else
+        return tostring(o)
+    end
+end
+
 function page_sort(order)
     return function(p1, p2)
         if p1.position then
@@ -241,10 +254,10 @@ function generate_list(meta)
         return meta.pages.all
             :map(function(cat)
                 local allItems = (cat.pages and cat.pages.all or pandoc.List()):flatMap(function(c)
-                    if c.pages then
-                        return c.pages.all:map(function(p) return d2_page_to_list_item(cat, c, p, true) end)
-                    else
+                    if not c.pages or not cat.list_flatten then
                         return pandoc.List({ d1_page_to_list_item(cat, c) })
+                    else
+                        return c.pages.all:map(function(p) return d2_page_to_list_item(cat, c, p, true) end)
                     end
                 end)
                 allItems:sort(page_sort(cat.list_order))
-- 
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