Avoid unnecessary global variable

text-crossrefs/text-crossrefs.lua

@@ -247,19 +247,19 @@ local function labelize_span(span)
   end
 end
 
-local labels_in_current_note = {}
-
-local collect_note_labels = {
-  Span = function(span)
-    if span.identifier ~= ''
-      and ((not config.only_explicit_labels) or span.classes:includes('label'))
-    then
-      table.insert(labels_in_current_note, span.identifier)
+local function collect_note_labels(labels_in_current_note)
+  return {
+    Span = function(span)
+      if span.identifier ~= ''
+        and ((not config.only_explicit_labels) or span.classes:includes('label'))
+      then
+        table.insert(labels_in_current_note, span.identifier)
+      end
     end
-  end
-}
+  }
+end
 
-local function make_notelabel(pos)
+local function make_notelabel(pos, labels_in_current_note)
   -- About the strategy followed with ConTeXt,
   -- see above support_footnote_label_ConTeXt.
   local raw_code = ''
@@ -275,15 +275,16 @@ local function make_notelabel(pos)
     if RAW_ATTRIBUTE == 'openxml' then
       raw_code = string.gsub('<w:bookmarkEnd w:id="{{label}}_Note"/>',
                              '{{label}}', labels_in_current_note[1])
+    elseif RAW_ATTRIBUTE == 'typst' then
+      raw_code = '<note:' .. labels_in_current_note[1] .. '>'
     end
   end
   return pandoc.RawInline(RAW_ATTRIBUTE, raw_code)
 end
 
-local function labelize_note(note)
-  local labelized_note
-  local label_begin = make_notelabel('begin')
-  local label_end = make_notelabel('end')
+local function labelize_note(note, labels_in_current_note)
+  local label_begin = make_notelabel('begin', labels_in_current_note)
+  local label_end = make_notelabel('end', labels_in_current_note)
   return { label_begin, note, label_end }
 end
 
@@ -295,11 +296,11 @@ local function map_text_to_note_labels(labels_in_current_note)
 end
 
 function set_notelabels(note)
-  labels_in_current_note = {}
-  pandoc.walk_inline(note, collect_note_labels)
+  local labels_in_current_note = {}
+  note:walk(collect_note_labels(labels_in_current_note))
   if #labels_in_current_note > 0 then
     map_text_to_note_labels(labels_in_current_note)
-    return labelize_note(note)
+    return labelize_note(note, labels_in_current_note)
   end
 end