Function parseExistingModels

packages/llm-info/src/sync-models.ts:76–113

(yamlText: string)

}

function parseExistingModels(yamlText: string): ExistingByProvider {
  const doc = parseDocument(yamlText);
  if (doc.contents == null) {
    return {};
  }
  if (!isMap(doc.contents)) {
    throw new Error(
      "Expected a map at the root of models.yml (keyed by provider)",
    );
  }
  const result: Record<string, ExistingEntry[]> = {};
  for (const pair of (doc.contents as YAMLMap).items) {
    const provider = (pair.key as { value?: unknown })?.value;
    if (typeof provider !== "string") {
      continue;
    }
    if (!isSeq(pair.value)) {
      result[provider] = [];
      continue;
    }
    const entries: ExistingEntry[] = [];
    for (const item of (pair.value as YAMLSeq).items) {
      if (!isMap(item)) {
        continue;
      }
      for (const subPair of (item as YAMLMap).items) {
        const key = (subPair.key as { value?: unknown })?.value;
        const value = (subPair.value as { value?: unknown })?.value;
        if (key === "model" && typeof value === "string") {
          entries.push({ model: value });
          break;
        }
      }
    }
    result[provider] = entries;
  }
  return result;
}

/**
 * Build a `YAMLMap` for one entry with the right flow-style array fields.