Replace Jason with built-in :json (OTP 26+)

Author: dannote

lib/quickbeam/beam_vm/runtime.ex

@@ -526,7 +526,7 @@ defmodule QuickBEAM.BeamVM.Runtime do
   end
 
   defp json_parse(s) when is_binary(s) do
-    case Jason.decode(s) do
+    case :json.decode(s) do
       {:ok, val} -> json_to_js(val)
       {:error, _} -> throw({:js_throw, "SyntaxError: JSON.parse"})
     end
@@ -543,9 +543,9 @@ defmodule QuickBEAM.BeamVM.Runtime do
   defp json_to_js(val), do: val
 
   defp json_stringify([val | _]) do
-    case Jason.encode(js_to_json(val)) do
-      {:ok, s} -> s
-      {:error, _} -> :undefined
+    case :json.encode(js_to_json(val)) do
+      s when is_binary(s) -> s
+      iodata -> IO.iodata_to_binary(iodata)
     end
   end