Lua: add field `chunk_template` to WriterOptions objects [API change]

The PathTemplate type exported from Text.Pandoc.Chunks is now an
instance of the ToJSON and FromJSON classes.

Closes: #8607

2 files changed, 9 insertions, 1 deletions

diff --git a/pandoc-lua-engine/src/Text/Pandoc/Lua/Marshal/WriterOptions.hs b/pandoc-lua-engine/src/Text/Pandoc/Lua/Marshal/WriterOptions.hs
index 960972bed..4ef5ae14d 100644
--- a/pandoc-lua-engine/src/Text/Pandoc/Lua/Marshal/WriterOptions.hs
+++ b/pandoc-lua-engine/src/Text/Pandoc/Lua/Marshal/WriterOptions.hs
@@ -55,7 +55,12 @@ typeWriterOptions = deftype "WriterOptions"
     <#> udparam typeWriterOptions "opts" "options to print in native format"
     =#> functionResult pushString "string" "Haskell representation"
   ]
-  [ property "cite_method"
+  [ property "chunk_template"
+    "Templates used to generate chunked HTML filenames (string)"
+    (pushViaJSON, writerChunkTemplate)
+    (peekViaJSON, \opts x -> opts{ writerChunkTemplate = x })
+
+  , property "cite_method"
     "How to print cites"
     (pushViaJSON, writerCiteMethod)
     (peekViaJSON, \opts x -> opts{ writerCiteMethod = x })
diff --git a/pandoc-lua-engine/test/lua/module/globals.lua b/pandoc-lua-engine/test/lua/module/globals.lua
index 72edef036..19fee3e92 100644
--- a/pandoc-lua-engine/test/lua/module/globals.lua
+++ b/pandoc-lua-engine/test/lua/module/globals.lua
@@ -8,6 +8,9 @@ local assert = tasty.assert
 -- WriterOptions and its components. UPDATE THE DOCS if anything changes.
 return {
   group 'PANDOC_WRITER_OPTIONS' {
+    test('chunk_template', function ()
+      assert.are_equal(type(PANDOC_WRITER_OPTIONS.chunk_template), 'string')
+    end),
     test('cite_method', function ()
       assert.are_equal(type(PANDOC_WRITER_OPTIONS.cite_method), 'string')
     end),