From 29e863ff42eddfbf009da3fc0821505a165f58a3 Mon Sep 17 00:00:00 2001
From: Jonas Platte <jplatte@svix.com>
Date: Fri, 29 Nov 2024 13:36:34 +0100
Subject: [PATCH] js: Add convenient construction of rawPayload messages

---
 javascript/src/index.ts | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/javascript/src/index.ts b/javascript/src/index.ts
index 8ada51317..ed96af0be 100644
--- a/javascript/src/index.ts
+++ b/javascript/src/index.ts
@@ -699,6 +699,31 @@ class Message {
   }
 }
 
+/**
+ * Creates a `MessageIn` with the payload already being serialized.
+ *
+ * The payload is not normalized on the server (usually whitespace outside
+ * of string literals, unnecessarily escaped characters in string and such
+ * are fixed up by the server), and is not even required to be JSON.
+ *
+ * @param payload Serialized message payload
+ * @param contentType Content type of the payload to send as a header. Defaults to `application/json`.
+ *
+ * See the class documentation for details about the other parameters.
+ */
+export function messageInRaw(eventType: string, payload: string, contentType?: string): MessageIn {
+  const headers = contentType ? { "content-type": contentType } : undefined;
+
+  return {
+    eventType,
+    payload: {},
+    transformationsParams: {
+      rawPayload: payload,
+      headers,
+    }
+  };
+}
+
 class MessageAttempt {
   private readonly api: MessageAttemptApi;