4a54824f7f
Cloudflare AI rule only sets flattenContent. Treat missing match as provider-wide and missing drop as empty list to avoid crash. Fixes #1960. Co-authored-by: Cursor <cursoragent@cursor.com>
45 lines
2.0 KiB
JavaScript
45 lines
2.0 KiB
JavaScript
// Strip request params a given provider/model rejects upstream (e.g. HTTP 400).
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// Config-driven: add a rule instead of scattering `delete body.x` across executors.
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// Each rule: optional provider, regex match on model, list of params to drop.
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// A param is removed only when it is present (!== undefined).
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const STRIP_RULES = [
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// claude-opus-4 series: temperature is deprecated (Anthropic 400). #1748
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{ match: /claude-opus-4/i, drop: ["temperature"] },
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// GitHub Copilot gpt-5.4: temperature unsupported.
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{ provider: "github", match: /gpt-5\.4/i, drop: ["temperature"] },
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// GitHub Copilot Claude (except opus/sonnet 4.6): thinking + reasoning_effort rejected. #713
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{ provider: "github", match: (m) => /claude/i.test(m) && !/claude.*(opus|sonnet).*4\.6/i.test(m), drop: ["thinking", "reasoning_effort"] },
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// Cloudflare Workers AI: content must be plain string, rejects OpenAI content-part array (#1926)
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{ provider: "cloudflare-ai", flattenContent: true },
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];
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// Test a rule's match (regex or predicate) against the model id.
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function matches(rule, model) {
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if (!rule.match) return true;
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return typeof rule.match === "function" ? rule.match(model) : rule.match.test(model);
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}
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// Remove unsupported params from body in place; returns body.
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export function stripUnsupportedParams(provider, model, body) {
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if (!model || !body || typeof body !== "object") return body;
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for (const rule of STRIP_RULES) {
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if (rule.provider && rule.provider !== provider) continue;
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if (!matches(rule, model)) continue;
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for (const key of rule.drop || []) {
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if (body[key] !== undefined) delete body[key];
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}
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// CF Workers AI oneOf root schema only accepts content as plain string (#1926)
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if (rule.flattenContent && Array.isArray(body.messages)) {
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for (const msg of body.messages) {
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if (msg && Array.isArray(msg.content)) {
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msg.content = msg.content
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.map(b => (b?.type === "text" && typeof b.text === "string") ? b.text : "")
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.join("");
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}
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}
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}
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}
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return body;
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}
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