refactor(ai): pass provider headers and body through without copying (#54062)

packages/ai/src/providers/amazon-bedrock-mantle.ts

@@ -164,8 +164,8 @@ const fromSettings = ({
     baseURL,
     credentials,
     generation: topP === undefined ? undefined : { topP },
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     profile,
     providerOptions,
     region,

packages/ai/src/providers/anthropic-compatible.ts

@@ -74,8 +74,8 @@ export const model: ProviderPackage.Definition<Settings, AnthropicMessages.Provi
   return configure({
     ...(authToken === undefined ? { apiKey: apiKey } : { auth: Auth.bearer(authToken) }),
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     provider,
     providerOptions,
   }).model(modelID)

packages/ai/src/providers/anthropic.ts

@@ -64,8 +64,8 @@ export const model: ProviderPackage.Definition<Settings, AnthropicMessages.Provi
   return configure({
     ...(authToken === undefined ? { apiKey: apiKey } : { auth: Auth.bearer(authToken) }),
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 }

packages/ai/src/providers/azure.ts

@@ -159,8 +159,8 @@ const config = ({
   const common = {
     apiKey,
     apiVersion,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
     queryParams: queryParams === undefined ? undefined : { ...queryParams },
     useDeploymentBasedUrls,

packages/ai/src/providers/baseten.ts

@@ -55,8 +55,8 @@ export const model: ProviderPackage.Definition<Settings, OpenAIProviderOptionsIn
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 

packages/ai/src/providers/cerebras.ts

@@ -64,7 +64,7 @@ export const model: ProviderPackage.Definition<Settings, OpenAIProviderOptionsIn
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)

packages/ai/src/providers/cloudflare-ai-gateway.ts

@@ -166,8 +166,8 @@ export const model: ProviderPackage.Definition<Settings, OpenAIProviderOptionsIn
     collectLog,
     gatewayApiKey,
     gatewayId,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     metadata,
     providerOptions,
     skipCache,

packages/ai/src/providers/cloudflare-workers-ai.ts

@@ -68,8 +68,8 @@ export const model: ProviderPackage.Definition<Settings, OpenAIProviderOptionsIn
   return configure({
     apiKey,
     baseURL: baseURL(settings),
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 }

packages/ai/src/providers/cohere.ts

@@ -60,7 +60,7 @@ export const model: ProviderPackage.Definition<Settings, CohereChat.ProviderOpti
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 export * as Cohere from "./cohere.js"

packages/ai/src/providers/cohere/chat.ts

@@ -11,6 +11,6 @@ export const model: ProviderPackage.Definition<Settings, Cohere.ChatOptionsInput
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).chat(modelID)

packages/ai/src/providers/deepinfra.ts

@@ -67,7 +67,7 @@ export const model: ProviderPackage.Definition<Settings, OpenAIProviderOptionsIn
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)

packages/ai/src/providers/deepseek.ts

@@ -59,8 +59,8 @@ export const model: ProviderPackage.Definition<Settings, OpenAIProviderOptionsIn
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 

packages/ai/src/providers/fireworks.ts

@@ -56,8 +56,8 @@ export const model: ProviderPackage.Definition<Settings, OpenAIProviderOptionsIn
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 

packages/ai/src/providers/google-vertex-chat.ts

@@ -83,8 +83,8 @@ export const model: ProviderPackage.Definition<Settings, OpenAIProviderOptionsIn
   return configure({
     accessToken,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     location,
     project,
     providerOptions,

packages/ai/src/providers/google-vertex-messages.ts

@@ -113,8 +113,8 @@ export const model: ProviderPackage.Definition<Settings, AnthropicMessages.Provi
   return configure({
     accessToken,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     location,
     project,
     providerOptions,

packages/ai/src/providers/google-vertex-responses.ts

@@ -84,8 +84,8 @@ export const model: ProviderPackage.Definition<Settings, OpenResponsesProviderOp
   return configure({
     accessToken,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     location,
     project,
     providerOptions,

packages/ai/src/providers/google-vertex.ts

@@ -130,8 +130,8 @@ export const model: ProviderPackage.Definition<Settings, GeminiProviderOptionsIn
   return configure({
     ...(apiKey === undefined ? { accessToken: accessToken } : { apiKey: apiKey }),
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     location,
     project,
     providerOptions,

packages/ai/src/providers/google.ts

@@ -76,8 +76,8 @@ export const model: ProviderPackage.Definition<Settings, Gemini.ProviderOptionsI
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 

packages/ai/src/providers/google/interactions.ts

@@ -15,7 +15,7 @@ export const model: ProviderPackage.Definition<Settings, GoogleInteractions.Prov
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).interactions(modelID)

packages/ai/src/providers/groq.ts

@@ -110,8 +110,8 @@ export const model: ProviderPackage.Definition<Settings, ProviderOptions>["model
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 

packages/ai/src/providers/meta.ts

@@ -169,7 +169,7 @@ function fromSettings({ apiKey, baseURL, body, headers, ...providerOptions }: Se
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   })
 }

packages/ai/src/providers/minimax.ts

@@ -133,7 +133,7 @@ export const model: ProviderPackage.Definition<Settings<MessagesOptionsInput>, M
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 

packages/ai/src/providers/minimax/chat.ts

@@ -11,6 +11,6 @@ export const model: ProviderPackage.Definition<Settings, MiniMax.ChatOptionsInpu
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).chat(modelID)

packages/ai/src/providers/minimax/responses.ts

@@ -11,6 +11,6 @@ export const model: ProviderPackage.Definition<Settings, MiniMax.ResponsesOption
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).responses(modelID)

packages/ai/src/providers/mistral.ts

@@ -46,8 +46,8 @@ export const model: ProviderPackage.Definition<Settings, ProviderOptions>["model
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 

packages/ai/src/providers/moonshot.ts

@@ -142,7 +142,7 @@ export const model: ProviderPackage.Definition<Settings, ChatOptionsInput>["mode
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 

packages/ai/src/providers/moonshot/messages.ts

@@ -11,6 +11,6 @@ export const model: ProviderPackage.Definition<Settings, Moonshot.MessagesOption
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).messages(modelID)

packages/ai/src/providers/moonshot/responses.ts

@@ -11,6 +11,6 @@ export const model: ProviderPackage.Definition<Settings, Moonshot.ResponsesOptio
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).responses(modelID)

packages/ai/src/providers/openai-compatible-responses.ts

@@ -53,8 +53,8 @@ export const model: ProviderPackage.Definition<Settings, OpenResponsesProviderOp
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     provider,
     providerOptions,
   }).model(modelID)

packages/ai/src/providers/openai-compatible.ts

@@ -52,8 +52,8 @@ export const model: ProviderPackage.Definition<Settings, OpenAIProviderOptionsIn
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     provider,
     providerOptions,
   }).model(modelID)

packages/ai/src/providers/openai.ts

@@ -152,7 +152,7 @@ const config = ({
     apiKey,
     baseURL,
     headers: Object.keys(headers).length === 0 ? undefined : headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
     queryParams: queryParams === undefined ? undefined : { ...queryParams },
   }

packages/ai/src/providers/openrouter.ts

@@ -212,6 +212,6 @@ export const model: ProviderPackage.Definition<Settings, OpenRouterProviderOptio
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)

packages/ai/src/providers/togetherai.ts

@@ -59,7 +59,7 @@ export const model: ProviderPackage.Definition<Settings, OpenAIProviderOptionsIn
   configure({
     apiKey,
     baseURL,
-    headers: headers === undefined ? undefined : { ...headers },
-    http: body === undefined ? undefined : { body: { ...body } },
+    headers,
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)

packages/ai/src/providers/venice.ts

@@ -55,7 +55,7 @@ export const model: ProviderPackage.Definition<Settings, ChatOptionsInput>["mode
     baseURL,
     queryParams,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 

packages/ai/src/providers/vercel-ai-gateway.ts

@@ -374,7 +374,7 @@ function fromSettings({ apiKey, baseURL, headers, body, ...providerOptions }: Se
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   })
 }

packages/ai/src/providers/xai.ts

@@ -112,7 +112,7 @@ export const model: ProviderPackage.Definition<
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 export const responses = provider.responses

packages/ai/src/providers/zai-coding-plan.ts

@@ -88,7 +88,7 @@ export const model: ProviderPackage.Definition<Settings, ChatOptionsInput>["mode
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)
 

packages/ai/src/providers/zai-coding-plan/messages.ts

@@ -11,6 +11,6 @@ export const model: ProviderPackage.Definition<Settings, ZAICodingPlan.MessagesO
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).messages(modelID)

packages/ai/src/providers/zai-coding-plan/responses.ts

@@ -11,6 +11,6 @@ export const model: ProviderPackage.Definition<Settings, ZAICodingPlan.Responses
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).responses(modelID)

packages/ai/src/providers/zai.ts

@@ -73,7 +73,7 @@ export const model: ProviderPackage.Definition<Settings, ChatOptionsInput>["mode
     apiKey,
     baseURL,
     headers,
-    http: body === undefined ? undefined : { body: { ...body } },
+    http: body === undefined ? undefined : { body },
     providerOptions,
   }).model(modelID)