Don't error when Claude does a no-arg tool call in streaming mode

tidyverse · Dec 18, 2024 · 2ba2247 · 2ba2247
1 parent 988550e
commit 2ba2247
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/R/provider-claude.R b/R/provider-claude.R
@@ -166,7 +166,10 @@ method(stream_merge_chunks, ProviderClaude) <- function(provider, result, chunk)
     if (chunk$delta$type == "text_delta") {
       paste(result$content[[chunk$index + 1L]]$text) <- chunk$delta$text
     } else if (chunk$delta$type == "input_json_delta") {
-      paste(result$content[[chunk$index + 1L]]$input) <- chunk$delta$partial_json
+      if (chunk$delta$partial_json != "") {
+        # See issue #228 about partial_json sometimes being ""
+        paste(result$content[[chunk$index + 1L]]$input) <- chunk$delta$partial_json
+      }
     } else {
       cli::cli_inform(c("!" = "Unknown delta type {.str {chunk$delta$type}}."))
     }