fix info x2

src/utils.ts

@@ -16,21 +16,22 @@ export async function fetchJson<T = any>(url: URL, context: string): Promise<T>
 
 export async function getDefaultConfigAndSplit(datasetId: string): Promise<{ config: string; split: string }> {
   const infoUrl = buildUrl("https://datasets-server.huggingface.co/info", { dataset: datasetId });
-  const infoResult = await fetchJson<any>(infoUrl, "Failed to get dataset info");
+  const info = await fetchJson<any>(infoUrl, "Failed to get dataset info");
+  const datasetInfo = info?.dataset_info;
+  if (!datasetInfo) throw new Error("dataset_info missing in /info response");
 
-  const configs = Object.keys(infoResult.dataset_info || {});
-  const firstConfig = configs[0];
-  if (!firstConfig) {
-    throw new Error("No configs found for dataset");
-  }
-
-  const splits = infoResult.dataset_info[firstConfig]?.splits || {};
-  const firstSplit = Object.keys(splits)[0];
-  if (!firstSplit) {
-    throw new Error("No splits found for dataset");
-  }
-
-  return { config: firstConfig, split: firstSplit };
+  // Get the first available config
+  const configNames = Object.keys(datasetInfo);
+  if (configNames.length === 0) throw new Error("No configurations found for dataset");
+  
+  const config = configNames[0];
+  const configInfo = datasetInfo[config];
+  const splits = configInfo.splits || {};
+  const splitNames = Object.keys(splits);
+  if (splitNames.length === 0) throw new Error("No splits found for dataset");
+  
+  const split = splitNames[0];
+  return { config, split };
 }
 
 export async function searchDatasets(query: string): Promise<Array<{ id: string; title: string; url: string }>> {
@@ -51,12 +52,6 @@ export async function fetchDatasetAggregate(datasetId: string): Promise<{
 }> {
   const { config, split } = await getDefaultConfigAndSplit(datasetId);
 
-  const infoUrl = buildUrl("https://datasets-server.huggingface.co/info", {
-    dataset: datasetId,
-    config,
-  });
-  const infoResult = await fetchJson<any>(infoUrl, "Failed to get dataset info");
-
   const rowsUrl = buildUrl("https://datasets-server.huggingface.co/rows", {
     dataset: datasetId,
     config,
@@ -65,23 +60,23 @@ export async function fetchDatasetAggregate(datasetId: string): Promise<{
     length: "50",
   });
 
-  let sampleData = "";
+  let text: string;
   try {
     const rowsResponse = await fetch(rowsUrl);
     if (rowsResponse.ok) {
       const rowsResult = await rowsResponse.json();
-      sampleData = `\n\nSample data (${config}/${split}):\n${JSON.stringify(rowsResult.rows || [], null, 2)}`;
+      text = `Sample data (${config}/${split}):\n${JSON.stringify(rowsResult.rows || [], null, 2)}`;
     } else {
-      sampleData = "\n\nSample data: Not available";
+      text = "Sample data: Not available";
     }
   } catch {
-    sampleData = "\n\nSample data: Not available";
+    text = "Sample data: Not available";
   }
 
   return {
     id: datasetId,
     title: datasetId,
-    text: `Dataset Information:\n${JSON.stringify(infoResult.dataset_info, null, 2)}${sampleData}`,
+    text,
     url: `https://huggingface.co/datasets/${datasetId}`,
   };
 }
@@ -89,4 +84,3 @@ export async function fetchDatasetAggregate(datasetId: string): Promise<{
 export function textContent(payload: unknown) {
   return { content: [{ type: "text" as const, text: JSON.stringify(payload) }] };
 }
-