Create-react-app: Changes not detected by create react app

[shabanraza]

Once i started the project using npm start but doing changes in any file is not detected automatically and livereload doesn't work mostly time
How to resolve this issue

[gaearon]

What editor are you using?

[gaearon]

There’s some suggestions in https://github.com/facebookincubator/create-react-app/issues/659.
Some common causes:

• Starting project in a Dropbox folder, you need to move it out (https://github.com/facebookincubator/create-react-app/issues/659#issuecomment-247658439)
• Some editors like Vim and IntelliJ have a "safe write" feature that breaks the watcher, you need to disable it (https://github.com/facebookincubator/create-react-app/issues/659#issuecomment-247808153)
• Parens in project folder name, you need to remove them until it is fixed (https://github.com/facebookincubator/create-react-app/issues/659#issuecomment-255075752)
• You might need to tweak system settings (https://webpack.github.io/docs/troubleshooting.html#not-enough-watchers)

[gaearon]

Also, do you have yarn installed? May be related to https://github.com/facebookincubator/create-react-app/pull/1370#issuecomment-272029989.

[shabanraza]

I am using webstorm editor as you gave me reference now i disbaled the safe
write in webstorm settings.

Now its working fine but i have to test it properly I think this problem
shouldn't not be occur in future.

Thanks

On 12-Jan-2017 5:14 AM, "Dan Abramov" [e-mail] wrote:

Also, do you have yarn installed? May be related to #1370 (comment)
https://github.com/facebookincubator/create-react-app/pull/1370#issuecomment-272029989
.

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[shabanraza]

Could you please suggest me which editor should i use so that it can behave properly

[gaearon]

cc @prigara, this is a real pain point.
Does safe write absolutely have to be on by default?

[prigara]

@gaearon disabling safe write by default is not an option for us, it might affect too many users, sorry. We are going to start investigating how the webpack file watcher works and hopefully will be able to send a PR to improve it on Window. Should help not only IJ users, but also vim users suffering from the same issue.
Any chance you know the main issue for that on the Webpack tracker?
Upd: I guess it should be in this project: https://github.com/webpack/watchpack

[gaearon]

I agree it would be a better solution. Yes, it’s watchpack. AFAIK it uses https://github.com/paulmillr/chokidar under the hood which in turn uses fsevents on OS X, and polling (I think) on other platforms.

[gaearon]

cc @TheLarkInn might provide details / support for prioritizing this on WP side

[prigara]

@gaearon, I have some good news. After some investigations @alexander-doroshko found a PR that fixes the issue. It has landed in Webpack 2.2, we tested it on Windows and all works like a charm. And it should work both with chokidar and sane.

[gaearon]

You folks are amazing 💜👯😇

[prigara]

@gaearon are you planning to move to webpack 2 soon?

[gaearon]

Within a month of its stable release.