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Update worker.mjs #65

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Update worker.mjs #65

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36 changes: 21 additions & 15 deletions src/worker.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,21 +18,27 @@ export default {
}
};
const { pathname } = new URL(request.url);
switch (true) {
case pathname.endsWith("/chat/completions"):
assert(request.method === "POST");
return handleCompletions(await request.json(), apiKey)
.catch(errHandler);
case pathname.endsWith("/embeddings"):
assert(request.method === "POST");
return handleEmbeddings(await request.json(), apiKey)
.catch(errHandler);
case pathname.endsWith("/models"):
assert(request.method === "GET");
return handleModels(apiKey)
.catch(errHandler);
default:
throw new HttpError("404 Not Found", 404);
const routeRegex = /^\/([\w.-]+)\/v1\/(chat\/completions|embeddings)$/;
const match = pathname.match(routeRegex);

if (!match) {
throw new HttpError("404 Not Found. Use format: /<model-name>/v1/chat/completions", 404);
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Copilot AI Jul 16, 2025

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The error message only mentions chat/completions format but the code also supports embeddings. Consider updating to: '404 Not Found. Use format: //v1/{chat/completions|embeddings}'

Suggested change
throw new HttpError("404 Not Found. Use format: /<model-name>/v1/chat/completions", 404);
throw new HttpError("404 Not Found. Use format: /<model-name>/v1/{chat/completions|embeddings}", 404);

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}

const modelFromUrl = match[1];
const endpoint = match[2];
let body;
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Copilot AI Jul 16, 2025

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Missing method validation. The original code verified POST method for both endpoints. Consider adding 'assert(request.method === "POST");' before parsing JSON.

Suggested change
let body;
let body;
assert(request.method === "POST");

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try {
body = await request.json();
} catch (e) {
body = {};
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Copilot AI Jul 16, 2025

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Silent fallback to empty object when JSON parsing fails could mask client errors. Consider throwing a more specific error for malformed JSON requests.

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}
body.model = modelFromUrl;

if (endpoint === "chat/completions") {
return handleCompletions(body, apiKey).catch(errHandler);
} else if (endpoint === "embeddings") {
return handleEmbeddings(body, apiKey).catch(errHandler);
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Copilot AI Jul 16, 2025

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Missing return statement for the embeddings case and no fallback for unexpected endpoint values. This could cause the function to return undefined.

Suggested change
return handleEmbeddings(body, apiKey).catch(errHandler);
return handleEmbeddings(body, apiKey).catch(errHandler);
} else {
throw new HttpError("Invalid endpoint. Supported endpoints are 'chat/completions' and 'embeddings'.", 400);

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}
} catch (err) {
return errHandler(err);
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