Fix for empty cards

src/parser.nim

@@ -438,7 +438,7 @@ proc parseTweet(js: JsonNode; jsCard: JsonNode = newJNull();
         result.retweet = some parseGraphTweet(rt)
         return
 
-  if jsCard.kind != JNull:
+  if jsCard.kind != JNull and jsCard{"rest_id"}.getStr.allCharsInSet({'0'..'9'}):
     let name = jsCard{"name"}.getStr
     if "poll" in name:
       if "image" in name:
@@ -498,7 +498,11 @@ proc parseGraphTweet(js: JsonNode): Tweet =
       if bindingArray.kind == JArray:
         var bindingObj: seq[(string, JsonNode)]
         for item in bindingArray:
+          if item{"key"}.getStr == "_omit_link_":
+            jsCard = newJNull()
+            break
           bindingObj.add((item{"key"}.getStr, item{"value"}))
+        if jsCard.kind != JNull:
           # Create a new card object with flattened structure
           jsCard = %*{
             "name": legacyCard{"name"},
@@ -526,7 +530,7 @@ proc parseGraphTweet(js: JsonNode): Tweet =
       )
     )
 
-    if jsCard.kind != JNull:
+    if jsCard.kind != JNull and jsCard{"rest_id"}.getStr.allCharsInSet({'0'..'9'}):
       let name = jsCard{"name"}.getStr
       if "poll" in name:
         if "image" in name: