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21 changes: 21 additions & 0 deletions packages/common/src/base/formatters.ts
Original file line number Diff line number Diff line change
Expand Up @@ -243,6 +243,24 @@ function removeEmptyTextParts(messages: UIMessage[]) {
});
}

function removeOpenAIItemId(messages: UIMessage[]) {
return messages.map((message) => {
message.parts = message.parts.map((part) => {
if ("providerOptions" in part && part.providerOptions) {
for (const options of Object.values(part.providerOptions)) {
if (options && typeof options === "object" && "itemId" in options) {
// biome-ignore lint/performance/noDelete: need delete to make zod happy
delete (options as { itemId?: unknown }).itemId;
}
}
}
return part;
});

return message;
});
}

function refineDetectedNewPromblems(messages: UIMessage[]) {
const isWriteFileResultToolPart = (
part: UIMessage["parts"][number],
Expand Down Expand Up @@ -348,6 +366,7 @@ type FormatOp = (messages: UIMessage[]) => UIMessage[];
const LLMFormatOps: FormatOp[] = [
removeEmptyTextParts,
removeEmptyMessages,
removeOpenAIItemId,
refineDetectedNewPromblems,
extractCompactMessages,
removeMessagesWithoutTextOrToolCall,
Expand All @@ -361,6 +380,7 @@ const LLMFormatOps: FormatOp[] = [
const UIFormatOps = [
removeEmptyTextParts,
removeEmptyMessages,
removeOpenAIItemId,
refineDetectedNewPromblems,
resolvePendingToolCalls,
removeSystemReminder,
Expand All @@ -370,6 +390,7 @@ const ShareUIFormatOps = [...UIFormatOps, resolvePendingToolCallsForShareUI];
const StorageFormatOps = [
removeEmptyTextParts,
removeEmptyMessages,
removeOpenAIItemId,
refineDetectedNewPromblems,
removeInvalidCharForStorage,
removeToolCallArgumentTransientData,
Expand Down