From 51223abfa696c5917828fdb5a6d7b1816d76c5c6 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Fri, 18 Dec 2020 15:54:05 -0500
Subject: Set up initial manifest v3 support (#605)

---
 ext/mixed/js/core.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'ext/mixed')

diff --git a/ext/mixed/js/core.js b/ext/mixed/js/core.js
index 72ab7474..aa894e01 100644
--- a/ext/mixed/js/core.js
+++ b/ext/mixed/js/core.js
@@ -304,7 +304,12 @@ function promiseTimeout(delay, resolveValue) {
 }
 
 function promiseAnimationFrame(timeout=null) {
-    return new Promise((resolve) => {
+    return new Promise((resolve, reject) => {
+        if (typeof cancelAnimationFrame !== 'function' || typeof requestAnimationFrame !== 'function') {
+            reject(new Error('Animation not supported in this context'));
+            return;
+        }
+
         let timer = null;
         let frameRequest = null;
         const onFrame = (time) => {
@@ -318,12 +323,14 @@ function promiseAnimationFrame(timeout=null) {
         const onTimeout = () => {
             timer = null;
             if (frameRequest !== null) {
+                // eslint-disable-next-line no-undef
                 cancelAnimationFrame(frameRequest);
                 frameRequest = null;
             }
             resolve({time: timeout, timeout: true});
         };
 
+        // eslint-disable-next-line no-undef
         frameRequest = requestAnimationFrame(onFrame);
         if (typeof timeout === 'number') {
             timer = setTimeout(onTimeout, timeout);
-- 
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