DataTable - fix for empty data with columns (#429)

livebook-dev · May 16, 2024 · df73bed · df73bed
1 parent eaabcd7
commit df73bed
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Showing 3 changed files with 2 additions and 5 deletions.
diff --git a/assets/data_table/src/App.js b/assets/data_table/src/App.js
@@ -167,10 +167,6 @@ export function App({ ctx, data }) {
         return true;
       }
 
-      if (!hasEntries) {
-        return false;
-      }
-
       ctx.rect(rect.x, rect.y, rect.width, rect.height);
 
       const basePadding = 10;

diff --git a/lib/assets/data_table/build/main.js b/lib/assets/data_table/build/main.js
diff --git a/lib/kino/table.ex b/lib/kino/table.ex
@@ -293,5 +293,6 @@ defmodule Kino.Table do
 
   defp sample_data([], _), do: {0, []}
   defp sample_data(data, :rows), do: {length(data), hd(data)}
+  defp sample_data([[] | _], :columns), do: {0, []}
   defp sample_data(data, :columns), do: {length(hd(data)), Enum.map(data, &List.first(&1))}
 end