What should I do if there is no change in react native reload?

React native reload has no change solution: 1. Find the "app_name\node_modules\react-native\packager" directory; 2. Set "varMAX_WAIT_TIME =360000;"; 3. Find "_createWatcher(rootConfig)" , and modify the content of "join('\n')))"; 4. Reload the project.

The operating environment of this tutorial: Windows 10 system, react18.0.0 version, Dell G3 computer.

react native reload What should I do if there is no change?

react-native reload page does not refresh problem

Perhaps you will encounter a very abnormal and annoying problem during the development of react-native , the page does not refresh when reloading after modifying the code. . .

I searched online and said that I should change app_name\node_modules\react-native\node_modules\node-haste\lib\FileWatcher\index.js, but I couldn’t find node-haste according to this path, but However, I found node-haste in the directory app_name\node_modules\react-native\packager, and then changed the code according to the instructions on the Internet.

First

// var MAX_WAIT_TIME = 120000;
varMAX_WAIT_TIME =360000;

Then find _createWatcher(rootConfig)

_createWatcher(rootConfig) {
constwatcher=newWatcherClass(rootConfig.dir, {
glob: rootConfig.globs,
dot:false,
});
return newPromise((resolve, reject) => {
constrejectTimeout=setTimeout(
() => reject(newError([
'Watcher took too long to load',
'Try running `watchman version` from your terminal',
'https://facebook.github.io/watchman/docs/troubleshooting.html',
].join('\n'))),   //修改的地方
MAX_WAIT_TIME
);
watcher.once('ready', () => {
clearTimeout(rejectTimeout);
resolve(watcher);
});
});
}

After the modification, it is indeed possible to reload the project. I hope it will be useful to my friends!

Recommended learning: "react video tutorial"

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