Merge pull request #3088 from mcowger/mcowger/vertex

fix(anthropic-vertex): add manual baseURL configuration to fix out of date library

Author: chrarnoldus

.changeset/big-fans-spend.md

@@ -0,0 +1,5 @@
+---
+"kilo-code": minor
+---
+
+Update base URL for Vertex Anthropic models to work around outdated library.

src/api/providers/__tests__/anthropic-vertex.spec.ts

@@ -60,6 +60,7 @@ describe("VertexHandler", () => {
 			})
 
 			expect(AnthropicVertex).toHaveBeenCalledWith({
+				baseURL: "https://aiplatform.googleapis.com/v1", // kilocode_change
 				projectId: "test-project",
 				region: "us-central1",
 			})

src/api/providers/anthropic-vertex.ts

@@ -34,27 +34,29 @@ export class AnthropicVertexHandler extends BaseProvider implements SingleComple
 		const projectId = this.options.vertexProjectId ?? "not-provided"
 		const region = this.options.vertexRegion ?? "us-east5"
 
-		if (this.options.vertexJsonCredentials) {
-			this.client = new AnthropicVertex({
-				projectId,
-				region,
-				googleAuth: new GoogleAuth({
-					scopes: ["https://www.googleapis.com/auth/cloud-platform"],
-					credentials: safeJsonParse<JWTInput>(this.options.vertexJsonCredentials, undefined),
-				}),
-			})
-		} else if (this.options.vertexKeyFile) {
-			this.client = new AnthropicVertex({
-				projectId,
-				region,
-				googleAuth: new GoogleAuth({
-					scopes: ["https://www.googleapis.com/auth/cloud-platform"],
-					keyFile: this.options.vertexKeyFile,
-				}),
-			})
-		} else {
-			this.client = new AnthropicVertex({ projectId, region })
-		}
+		//kilocode_change start
+		// Manually construct the baseURL because the format has changed (there are no longer
+		// dedicated hosts), but the required updated Anthropic libraries have significant
+		// breaking changes for other parts of the application.
+		const updatedBaseUrl = `https://aiplatform.googleapis.com/v1`
+
+		const googleAuthConfig =
+			this.options.vertexJsonCredentials || this.options.vertexKeyFile
+				? {
+						scopes: ["https://www.googleapis.com/auth/cloud-platform"],
+						...(this.options.vertexJsonCredentials
+							? { credentials: safeJsonParse<JWTInput>(this.options.vertexJsonCredentials, undefined) }
+							: { keyFile: this.options.vertexKeyFile }),
+					}
+				: undefined
+
+		this.client = new AnthropicVertex({
+			baseURL: updatedBaseUrl,
+			projectId,
+			region,
+			...(googleAuthConfig && { googleAuth: new GoogleAuth(googleAuthConfig) }),
+		})
+		//kilocode_change end
 	}
 
 	override async *createMessage(