react-painter | React component for drawing on canvas with 0 dependencies | Canvas library
kandi X-RAY | react-painter Summary
kandi X-RAY | react-painter Summary
React component for drawing on canvas with 0 dependencies
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QUESTION
I'm creating a React app with docker in WSL2 and create-react-app and everything seems to be working fine except the app is not updating with changes in the code. I mean, when I make a change in the code, the browser should update the changes automatically, but it doesn't and I have to restart the container to see them. I added CHOKIDAR_USEPOLLING=true in ENV but it's not working either. These are the configuration files:
dockerfile
...ANSWER
Answered 2022-Jan-03 at 10:43The problem is with WSL2, as it's said in this answer www.github.com/microsoft/WSL/issues/6255#issuecomment-730701001: "If it is in the Windows file system, I believe you're running into the fact that the Plan 9 server in WSL 2 does not support file watching on Windows files. As a workaround I'd recommend you place your files into the Linux file system". I moved the files to \\wsl$\Ubuntu\home\user and now the reload is working fine. I also stopped using Docker with React and now I directly use Node, as recommended in the comments.
Note that I was having the same issue with Node alone, with files outside the Linux file system.
QUESTION
I am using a library called react-canvas
.
Since a few days ago, an error message has been output with the
tag in the area where the canvas should be displayed in web browsers including Chrome.
I am using nextjs
, I attach the package.json
below.
==============================================================
...ANSWER
Answered 2021-Aug-03 at 05:29Which browser are you using? I assume you are on Chrome and its version 92. SharedArrayBuffer has been turned off by default starting that version. Find out more information here: https://developer.chrome.com/blog/enabling-shared-array-buffer/
TL;DR is you need to enable "cross-origin isolation" on your page which requires you a few things: Send two HTTP headers - Cross-Origin-Opener-Policy : same-origin
and Cross-Origin-Embedder-Policy: require-corp
. By this, your page will be cross-origin isolated and no longer be able to load cross-origin resources unless they are opt-in, but you can start using SharedArrayBuffer. You can learn more how to implement this: https://web.dev/cross-origin-isolation-guide/
You can try setting different headers in this demo page: https://first-party-test.glitch.me/
If you want a quick solution to fix the issue, you may opt your site into an allowlist to continue using SharedArrayBuffer until Chrome 96 by registering to an origin trial: https://developer.chrome.com/blog/enabling-shared-array-buffer/#origin-trial
Chrome team is hoping to introduce easier options to enable cross-origin isolation. Learn more here: https://developer.chrome.com/blog/coep-credentialless-origin-trial/
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