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docs(provider): add comments to vercel transform logic

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Matan Kushner
2026-04-13 14:05:29 +09:00
parent effae16c14
commit 569addd3b0
1 changed files with 5 additions and 0 deletions
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src/shared/provider-model-id-transform.ts
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@@ -23,13 +23,18 @@ function applyGatewayTransforms(model: string): string {
} }
export function transformModelForProvider(provider: string, model: string): string { export function transformModelForProvider(provider: string, model: string): string {
// Vercel AI Gateway expects <sub-provider>/<model> (e.g. anthropic/claude-opus-4.6).
// Canonical names in model-requirements.ts may be bare (claude-opus-4-6) or
// already prefixed (anthropic/claude-opus-4-6). Both need gateway-specific transforms.
if (provider === "vercel") { if (provider === "vercel") {
// Already prefixed — transform only the model part
const slashIndex = model.indexOf("/") const slashIndex = model.indexOf("/")
if (slashIndex !== -1) { if (slashIndex !== -1) {
const subProvider = model.substring(0, slashIndex) const subProvider = model.substring(0, slashIndex)
const subModel = model.substring(slashIndex + 1) const subModel = model.substring(slashIndex + 1)
return `${subProvider}/${applyGatewayTransforms(subModel)}` return `${subProvider}/${applyGatewayTransforms(subModel)}`
} }
// Bare name — infer sub-provider from model prefix (claude- → anthropic, etc.)
const subProvider = inferSubProvider(model) const subProvider = inferSubProvider(model)
if (subProvider) { if (subProvider) {
return `${subProvider}/${applyGatewayTransforms(model)}` return `${subProvider}/${applyGatewayTransforms(model)}`