fix: improve custom OpenAI model URL resolution to prevent duplicate version paths (#1074)

DGideas · lramos15 · web-flow · commit 9e890341a373 · 2025-09-24T11:56:12.000Z
- Update resolveCustomOAIUrl function to handle URLs with existing version patterns
- Remove special handling for /v1 to support any version number (v1, v2, v4, etc.)

Co-authored-by: Logan Ramos &lt;loganramos@microsoft.com&gt;
diff --git a/src/extension/byok/vscode-node/customOAIProvider.ts b/src/extension/byok/vscode-node/customOAIProvider.ts
@@ -25,9 +25,11 @@ export function resolveCustomOAIUrl(modelId: string, url: string): string {
 	if (url.endsWith('/')) {
 		url = url.slice(0, -1);
 	}
-	// if url ends with `/v1` remove it
-	if (url.endsWith('/v1')) {
-		url = url.slice(0, -3);
+
+	// Check if URL already contains any version pattern like /v1, /v2, etc
+	const versionPattern = /\/v\d+$/;
+	if (versionPattern.test(url)) {
+		return `${url}/chat/completions`;
 	}
 
 	// For standard OpenAI-compatible endpoints, just append the standard path

Original file line number	Diff line number	Diff line change
`@@ -25,9 +25,11 @@ export function resolveCustomOAIUrl(modelId: string, url: string): string {`
`25`	`25`	`if (url.endsWith('/')) {`
`26`	`26`	`url = url.slice(0, -1);`
`27`	`27`	`}`
`28`		- // if url ends with `/v1` remove it
`29`		`- if (url.endsWith('/v1')) {`
`30`		`- url = url.slice(0, -3);`
	`28`	`+`
	`29`	`+ // Check if URL already contains any version pattern like /v1, /v2, etc`
	`30`	`+ const versionPattern = /\/v\d+$/;`
	`31`	`+ if (versionPattern.test(url)) {`
	`32`	+ return `${url}/chat/completions`;
`31`	`33`	`}`
`32`	`34`
`33`	`35`	`// For standard OpenAI-compatible endpoints, just append the standard path`