1 files changed, 39 insertions, 0 deletions
diff --git a/include/json_formatters.hpp b/include/json_formatters.hpp
new file mode 100644
index 0000000000..ae72a083c9
--- /dev/null
+++ b/include/json_formatters.hpp
@@ -0,0 +1,39 @@
+#pragma once
+
+#include <nlohmann/json.hpp>
+
+#include <format>
+
+// Clang-tidy would rather these be static, but using static causes the template
+// specialization to not function.  Ignore the warning.
+// NOLINTBEGIN(readability-convert-member-functions-to-static, cert-dcl58-cpp)
+
+template <>
+struct std::formatter<nlohmann::json::json_pointer>
+{
+    constexpr auto parse(std::format_parse_context& ctx)
+    {
+        return ctx.begin();
+    }
+    auto format(const nlohmann::json::json_pointer& ptr, auto& ctx) const
+    {
+        return std::format_to(ctx.out(), "{}", ptr.to_string());
+    }
+};
+
+template <>
+struct std::formatter<nlohmann::json>
+{
+    static constexpr auto parse(std::format_parse_context& ctx)
+    {
+        return ctx.begin();
+    }
+    auto format(const nlohmann::json& json, auto& ctx) const
+    {
+        return std::format_to(
+            ctx.out(), "{}",
+            json.dump(-1, ' ', false,
+                      nlohmann::json::error_handler_t::replace));
+    }
+};
+// NOLINTEND(readability-convert-member-functions-to-static, cert-dcl58-cpp)