Typst reader: handle document metadata and `#title`.

See jgm/typst-hs#80.

Note that previously, the typst reader never returned document
metadata.  Now it does, even if the typst document does not contain
a `#title` function that would result in actually printing the
title block.

1 files changed, 55 insertions, 0 deletions

diff --git a/test/command/typst-hs-80.md b/test/command/typst-hs-80.md
new file mode 100644
index 000000000..ed0e9228c
--- /dev/null
+++ b/test/command/typst-hs-80.md
@@ -0,0 +1,55 @@
+```
+% pandoc -f typst -t native -s
+#set document(
+  title: [My Title],
+)
+
+#title()
+^D
+Pandoc
+  Meta
+    { unMeta =
+        fromList
+          [ ( "title"
+            , MetaInlines [ Str "My" , Space , Str "Title" ]
+            )
+          ]
+    }
+  []
+```
+
+```
+% pandoc -f typst -t native -s
+#set document(
+  title: [ignored],
+)
+
+#title[My Title]
+^D
+Pandoc
+  Meta
+    { unMeta =
+        fromList
+          [ ( "title"
+            , MetaInlines [ Str "My" , Space , Str "Title" ]
+            )
+          ]
+    }
+  []
+```
+
+```
+% pandoc -f typst -t native -s
+#title[My Title]
+^D
+Pandoc
+  Meta
+    { unMeta =
+        fromList
+          [ ( "title"
+            , MetaInlines [ Str "My" , Space , Str "Title" ]
+            )
+          ]
+    }
+  []
+```