fixed bug with 'true' showing up on page

pleroma-comments.lua

@@ -3,6 +3,12 @@
 -- local https = "wget"
 local json = require("cjson")
 
+function printTable(t)
+    for key, value in pairs(t) do
+        print(key, value)
+    end
+end
+
 function tokenizeString(inputString, delimiter)
     local tokens = {}
     for token in inputString:gmatch("[^" .. delimiter .. "]+") do
@@ -43,6 +49,9 @@ function get_short_date(timestamp)
 end
 
 function write_comments(pleroma_posts, instance)
+    if #pleroma_posts == 0  then
+        return ""
+    end
     local template = [[
 <article class="pleroma-comment" id="pleroma-comment$i$">
     <h3>
@@ -128,6 +137,7 @@ function Meta(meta)
     local c = write_comments(all_replies, "https://" .. host)
     meta["pleroma-comments"] = c
     meta["pleroma-comments-count"] = #c
+    meta["pleroma-has-comments"] = (#c > 0)
     meta["pleroma"] = newelem
     return meta
 end