@tokenlens/core
Version:
Core types and registry utilities for TokenLens (model metadata).
24 lines • 850 B
JavaScript
/**
* Convert gateway-style ids (e.g. "provider/model") into canonical
* TokenLens ids ("provider:model"). If already canonical, returns input.
*/
export function toModelId(gatewayId) {
if (!gatewayId)
return undefined;
const id = gatewayId.trim();
if (!id)
return undefined;
const i = id.indexOf("/");
if (i <= 0)
return id; // no provider separator or leading '/'
const provider = id.slice(0, i);
let model = id.slice(i + 1);
// Provider-specific normalization
if (provider.toLowerCase() === "anthropic") {
// Vercel AI Gateway uses dots in Anthropic version segment (e.g., 3.5)
// TokenLens canonical uses hyphenated versions (e.g., 3-5)
model = model.replace(/(\d+)\.(\d+)/g, "$1-$2");
}
return `${provider}:${model}`;
}
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