From c3f8f9de544347e35287faef744bcb6f8d6cb0ad Mon Sep 17 00:00:00 2001
From: Karl Seguin <k@openmymind.io>
Date: Thu, 18 Dec 2025 21:17:13 +0800
Subject: [PATCH] merge https://github.com/lightpanda-io/browser/pull/1275

---
 src/TestHTTPServer.zig | 5 +++++
 src/main_wpt.zig       | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/TestHTTPServer.zig b/src/TestHTTPServer.zig
index fdf4e124..9750a396 100644
--- a/src/TestHTTPServer.zig
+++ b/src/TestHTTPServer.zig
@@ -132,6 +132,11 @@ fn getContentType(file_path: []const u8) []const u8 {
         return "text/xml";
     }
 
+    if (std.mem.endsWith(u8, file_path, ".mjs")) {
+        // mjs are ECMAScript modules
+        return "application/json";
+    }
+
     std.debug.print("TestHTTPServer asked to serve an unknown file type: {s}\n", .{file_path});
     return "text/html";
 }
diff --git a/src/main_wpt.zig b/src/main_wpt.zig
index 5e334a22..69cccb68 100644
--- a/src/main_wpt.zig
+++ b/src/main_wpt.zig
@@ -581,6 +581,11 @@ const TestHTTPServer = struct {
             return "text/xml";
         }
 
+        if (std.mem.endsWith(u8, file_path, ".mjs")) {
+            // mjs are ECMAScript modules
+            return "application/json";
+        }
+
         std.debug.print("TestHTTPServer asked to serve an unknown file type: {s}\n", .{file_path});
         return "text/html";
     }