add type check

2023-08-07 16:09:10 +01:00 · 2023-08-07 16:09:10 +01:00 · 6640ce7d24
commit 6640ce7d24
parent 40d5cbe37e
1 changed files with 1 additions and 1 deletions
--- a/lib/http_signatures/http_signatures.ex
+++ b/lib/http_signatures/http_signatures.ex
@ -77,7 +77,7 @@ defmodule HTTPSignatures do
  end

  # Sort map alphabetically to ensure stability
-  defp stable_sort_headers(headers) do
+  defp stable_sort_headers(headers) when is_map(headers) do
    headers
    |> Enum.into([])
    |> Enum.sort_by(fn {k, _v} -> k end)