From afe9d6f77ea2386732e6d7646c298584321d44cf Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Sat, 16 Mar 2024 06:55:20 -0300
Subject: src/hero.mjs: Add writeHead() and its helper functions

---
 src/hero.mjs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src')

diff --git a/src/hero.mjs b/src/hero.mjs
index b47d459..75c9a88 100644
--- a/src/hero.mjs
+++ b/src/hero.mjs
@@ -380,6 +380,23 @@ export const extractQueryParams = s => {
 	return ret;
 };
 
+export const renderStatus = code =>
+	`HTTP/1.1 ${code} ${http.STATUS_CODES[code]}`
+
+export const renderHeaders = obj =>
+	Object.keys(obj)
+		.sort(u.strSortFn)
+		.map(name => `${name}: ${obj[name]}`);
+
+export const buildHeader = (status, headers) =>
+	[renderStatus(status)]
+		.concat(renderHeaders(headers))
+		.concat(["\r\n"])
+		.join("\r\n");
+
+export const writeHead = (socket, status, headers) =>
+	socket.write(buildHeader(status, headers));
+
 export const handle404 = _req => ({
 	status: 404,
 	body: "Not Found\n",
-- 
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