Add json workaround

CHANGELOG.md

@@ -7,7 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-- Nothing worth mentioning yet.
+### Fixed
+
+- Added a workaround for an issue where json parsing fails due to unicode characters
 
 ## [0.33.2] - 2024-12-17
 

playlet-lib/src/source/services/HttpClient.bs

@@ -671,6 +671,17 @@ namespace HttpClient
                 return invalid
             end if
             m._json = ParseJson(text)
+            ' TODO:P2 remove workaround after a fix has landed
+            if m._json = invalid and m.IsSuccess() and not m._json_workaround_tried = true
+                ' A bug was introduced in Roku OS 14.1 that causes ParseJson to return invalid parsing some unicode characters.
+                ' So we filter out \uXXXX characters and try to parse again.
+                ' These characters are mostly emojis, and can't render anyway.
+                m._json_workaround_tried = true
+                filter = /\\u[0-9a-fA-F]{4}/
+                text = filter.ReplaceAll(text, "")
+                m._json = ParseJson(text)
+                LogWarn("Failed to parse JSON. Workaround applied. Success:", m._json <> invalid)
+            end if
             return m._json
         end function