Skip to content

[DevTools] only polyfill requestAnimationFrame when necessary #24651

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jun 1, 2022
Merged

[DevTools] only polyfill requestAnimationFrame when necessary #24651

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
29 changes: 18 additions & 11 deletions packages/react-devtools-extensions/src/main.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -33,18 +33,25 @@ const isEdge = getBrowserName() === 'Edge';
// since Chromium v102, requestAnimationFrame no longer fires in devtools_page (i.e. this file)
// mock requestAnimationFrame with setTimeout as a temporary workaround
// https://github.com/facebook/react/issues/24626
// The polyfill is based on https://gist.github.com/jalbam/5fe05443270fa6d8136238ec72accbc0
if (isChrome || isEdge) {
const FRAME_TIME = 16;
let lastTime = 0;
window.requestAnimationFrame = function(callback, element) {
const now = window.performance.now();
const nextTime = Math.max(lastTime + FRAME_TIME, now);
return setTimeout(function() {
callback((lastTime = nextTime));
}, nextTime - now);
};
window.cancelAnimationFrame = clearTimeout;
const timeoutID = setTimeout(() => {
// if requestAnimationFrame is not working, polyfill it
// The polyfill is based on https://gist.github.com/jalbam/5fe05443270fa6d8136238ec72accbc0
const FRAME_TIME = 16;
let lastTime = 0;
window.requestAnimationFrame = function(callback, element) {
const now = window.performance.now();
const nextTime = Math.max(lastTime + FRAME_TIME, now);
return setTimeout(function() {
callback((lastTime = nextTime));
}, nextTime - now);
};
window.cancelAnimationFrame = clearTimeout;
}, 400);

requestAnimationFrame(() => {
clearTimeout(timeoutID);
});
}

let panelCreated = false;
Expand Down