From 21afa1f4b352e0a065ff265e07f42f928f4b77c0 Mon Sep 17 00:00:00 2001
From: Francis Bouvier <francis@lightpanda.io>
Date: Wed, 17 Apr 2024 14:04:34 +0200
Subject: [PATCH] Do not emit optional null value in JSON output

Signed-off-by: Francis Bouvier <francis@lightpanda.io>
---
 src/cdp/cdp.zig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/cdp/cdp.zig b/src/cdp/cdp.zig
index 8242c796..c67e933c 100644
--- a/src/cdp/cdp.zig
+++ b/src/cdp/cdp.zig
@@ -85,7 +85,10 @@ pub fn stringify(alloc: std.mem.Allocator, res: anytype) ![]const u8 {
     var out = std.ArrayList(u8).init(alloc);
     defer out.deinit();
 
-    try std.json.stringify(res, .{}, out.writer());
+    // Do not emit optional null fields
+    const options: std.json.StringifyOptions = .{ .emit_null_optional_fields = false };
+
+    try std.json.stringify(res, options, out.writer());
     const ret = try alloc.alloc(u8, out.items.len);
     @memcpy(ret, out.items);
     return ret;