From 48a362e907455bd0e18a7b06d933c3dcbed3357f Mon Sep 17 00:00:00 2001
From: vlazh <vzh.inbox@gmail.com>
Date: Fri, 15 Nov 2024 19:43:37 +0500
Subject: [PATCH] fix: Calculate timeToFirstByte before fire the event
 'downloadheadersreceived' (#7605)

Fixes #7604
---
 lib/net/networking_engine.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/net/networking_engine.js b/lib/net/networking_engine.js
index b9cb20d55c..15e8257204 100644
--- a/lib/net/networking_engine.js
+++ b/lib/net/networking_engine.js
@@ -565,12 +565,12 @@ shaka.net.NetworkingEngine = class extends shaka.util.FakeEventTarget {
         }
       };
       const headersReceived = (headers) => {
-        if (this.onHeadersReceived_) {
-          this.onHeadersReceived_(headers, request, type);
-        }
         headersReceivedCalled = true;
         request.timeToFirstByte = Date.now() -
         /** @type {number} */ (request.requestStartTime);
+        if (this.onHeadersReceived_) {
+          this.onHeadersReceived_(headers, request, type);
+        }
       };
       request.requestStartTime = Date.now();