blocks|key|458188|text|对于React，本地Init方法(不包括expo)使用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|458189|npm+start+--+--reset-cache|code-block|syntax|javascript|458190|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

For React Native Init approach (without expo) use:

<pre><code>npm start -- --reset-cache
</code></pre>

blocks|key|233125|text|最简单的(反应本土，国家预防机制和博览会)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|233126|反应本地人|233127|react-native+start+--reset-cache|code-block|syntax|javascript|233128|为国家预防机制|233129|npm+start+--+--reset-cache|233130|为世博会|233131|expo+start+-c|233132|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|V|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|W|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|X|8|@]|9|@]|A|$]]|$1|O|3|P|5|F|7|Y|8|@]|9|@]|A|$G|H]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

Simplest one(react native,npm and expo )
For React Native
<pre><code>react-native start --reset-cache
</code></pre>
for npm
<pre><code>npm start -- --reset-cache
</code></pre>
for Expo
<pre><code>expo start -c
</code></pre>

blocks|key|233564|text|清除的缓存：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|233565|npm+<+6.0和RN+<+0.50：|233566|+watchman+watch-del-all+&&+rm+-rf+$TMPDIR/react-*+&&
+rm+-rf+node_modules/+&&+npm+cache+clean+&&+npm+install+&&+
+npm+start+--+--reset-cache|code-block|syntax|javascript|233567|npm+>=+6.0和RN+>=+0.50：|233568|+watchman+watch-del-all+&&+rm+-rf+$TMPDIR/react-native-packager-cache-*+&&
+rm+-rf+$TMPDIR/metro-bundler-cache-*+&&+rm+-rf+node_modules/+&&+npm+cache+clean+--force+&&
+npm+install+&&+npm+start+--+--reset-cache|233569|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Q|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|S|8|@]|9|@]|A|$G|H]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Clearing the Cache of your React Native Project:

npm &lt; 6.0 and RN &lt; 0.50:

<pre><code> watchman watch-del-all &amp;&amp; rm -rf $TMPDIR/react-* &amp;&amp;
 rm -rf node_modules/ &amp;&amp; npm cache clean &amp;&amp; npm install &amp;&amp; 
 npm start -- --reset-cache
</code></pre>

npm >= 6.0 and RN >= 0.50:

<pre><code> watchman watch-del-all &amp;&amp; rm -rf $TMPDIR/react-native-packager-cache-* &amp;&amp;
 rm -rf $TMPDIR/metro-bundler-cache-* &amp;&amp; rm -rf node_modules/ &amp;&amp; npm cache clean --force &amp;&amp;
 npm install &amp;&amp; npm start -- --reset-cache
</code></pre>

blocks|key|232971|text|尝尝这个|type|unstyled|depth|inlineStyleRanges|entityRanges|data|232972|react-native+start+--reset-cache|code-block|syntax|javascript|232973|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

try this

<pre><code>react-native start --reset-cache
</code></pre>

blocks|key|2092302|text|对于那些使用世博的人来说|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2092303|世博会启动-c|blockquote|2092304|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|H|8|@]|9|@]|A|$]]|$1|E|3|-4|5|6|7|I|8|@]|9|@]|A|$]]]|F|$]]

For those who are using expo-cli

<blockquote>
 expo start -c
</blockquote>

blocks|key|233733|text|目前，它是使用npx构建的，因此需要更新。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|233734|终端：npx+react-native+start+--reset-cache|BOLD|233735|IOS：Xcode+->+Product+->+Clean+Build+Folder|233736|Android：Android+Studio+->+Build+->+Clean+Project|233737|entityMap^0|7|3|0|0|2|3|10|0|0|3|4|12|0|0|7|8|14|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|R|8|@$9|S|A|T|B|H]|$9|U|A|V|B|C]]|D|@]|E|$]]|$1|I|3|J|5|6|7|W|8|@$9|X|A|Y|B|H]|$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|K|3|L|5|6|7|11|8|@$9|12|A|13|B|H]|$9|14|A|15|B|C]]|D|@]|E|$]]|$1|M|3|-4|5|6|7|16|8|@]|D|@]|E|$]]]|N|$]]

Currently, it is built using <code>npx</code>, so it needs to be updated.
Terminal : <code>npx react-native start --reset-cache</code>
IOS : <code>Xcode -&gt; Product -&gt; Clean Build Folder</code>
Android : <code>Android Studio -&gt; Build -&gt; Clean Project</code>

blocks|key|458238|text|这就是对我有用的东西：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|458239|watchman+watch-del-all+&&+rm+-f+podfile.lock+&&+rm+-rf+node_modules+&&+yarn+&&+yarn+start+--reset-cache|code-block|syntax|javascript|458240|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This is what works for me:
<pre><code>watchman watch-del-all &amp;&amp; rm -f podfile.lock &amp;&amp; rm -rf node_modules &amp;&amp; yarn &amp;&amp; yarn start --reset-cache
</code></pre>

blocks|key|233164|text|下面的命令适用于Android和Yarn，|type|unstyled|depth|inlineStyleRanges|entityRanges|data|233165|cd+android+&&+./gradlew+cleanBuildCache+&&+cd+..+&&
watchman+watch-del-all+&&+rm+-rf+node_modules/+&&
rm+-rf+$TMPDIR/react-native-packager-cache-*+&&
rm+-rf+$TMPDIR/metro-bundler-cache-*+&&++
yarn+cache+clean+&&+yarn+install+&&+
yarn+start+--reset-cache|code-block|syntax|javascript|233166|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Below commands worked for me for Android and Yarn,
<pre><code>cd android &amp;&amp; ./gradlew cleanBuildCache &amp;&amp; cd .. &amp;&amp;
watchman watch-del-all &amp;&amp; rm -rf node_modules/ &amp;&amp;
rm -rf $TMPDIR/react-native-packager-cache-* &amp;&amp;
rm -rf $TMPDIR/metro-bundler-cache-* &amp;&amp; 
yarn cache clean &amp;&amp; yarn install &amp;&amp; 
yarn start --reset-cache
</code></pre>

blocks|key|2092563|text|这里有一个关于GitHub的很好的讨论，它对我有很大的帮助。清除的缓存+by+贾雷特·摩西|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2092564|对于4个不同的实例，有解决方案。|2092565|RN+<0.50+-
watchman+watch-del-all+&&+rm+-rf+$TMPDIR/react-*+&&+rm+-rf+node_modules/+&&+npm+cache+clean+&&+npm+install+&&+npm+start+--+--reset-cache|ordered-list-item|style|CODE|2092566|RN+>=0.50+-+watchman+watch-del-all+&&+rm+-rf+$TMPDIR/react-native-packager-cache-*+&&+rm+-rf+$TMPDIR/metro-bundler-cache-*+&&+rm+-rf+node_modules/+&&+npm+cache+clean+&&+npm+install+&&+npm+start+--+--reset-cache|2092567|NPM+>=5+-+watchman+watch-del-all+&&+rm+-rf+$TMPDIR/react-*+&&+rm+-rf+node_modules/+&&+npm+cache+verify+&&+npm+install+&&+npm+start+--+--reset-cache|2092568|Windows+-+del+%25appdata%25\Temp\react-native-*+&+cd+android+&+gradlew+clean+&+cd+..+&+del+node_modules/+&+npm+cache+clean+--force+&+npm+install+&+npm+start+--+--reset-cache|2092569|解决方案类似于维克拉姆·比瓦尔的回答。|2092570|在给定的链接下面有一个讨论，所以即使上面的4种情况不适合你，你也可以滚动并找到一个可能的解决方案。|2092571|entityMap|0|LINK|mutability|MUTABLE|url|https://gist.github.com/jarretmoses/c2e4786fd342b3444f3bc6beff32098d|1|https://gist.github.com/jarretmoses|2|https://stackoverflow.com/questions/46878638/how-to-clear-react-native-cache/51375437#51375437^0|U|5|0|13|6|1|0|0|B|3S|0|C|5I|0|A|3T|0|A|4F|0|7|C|2|0|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@$A|17|B|18|1|19]|$A|1A|B|1B|1|1C]]|C|$]]|$1|D|3|E|5|6|7|1D|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|1E|8|@$A|1F|B|1G|I|J]]|9|@]|C|$]]|$1|K|3|L|5|H|7|1H|8|@$A|1I|B|1J|I|J]]|9|@]|C|$]]|$1|M|3|N|5|H|7|1K|8|@$A|1L|B|1M|I|J]]|9|@]|C|$]]|$1|O|3|P|5|H|7|1N|8|@$A|1O|B|1P|I|J]]|9|@]|C|$]]|$1|Q|3|R|5|6|7|1Q|8|@]|9|@$A|1R|B|1S|1|1T]]|C|$]]|$1|S|3|T|5|6|7|1U|8|@]|9|@]|C|$]]|$1|U|3|-4|5|6|7|1V|8|@]|9|@]|C|$]]]|V|$W|$5|X|Y|Z|C|$10|11]]|12|$5|X|Y|Z|C|$10|13]]|14|$5|X|Y|Z|C|$10|15]]]]

Here's a great discussion on GitHub which helped me a lot.
<a href="https://gist.github.com/jarretmoses/c2e4786fd342b3444f3bc6beff32098d" rel="noreferrer">Clearing the Cache of your React Native Project</a> by <a href="https://gist.github.com/jarretmoses" rel="noreferrer">Jarret Moses</a>

There are solutions for 4 different instances.

<ol>
<li>RN &lt;0.50 - 
<code>watchman watch-del-all &amp;&amp; rm -rf $TMPDIR/react-* &amp;&amp; rm -rf node_modules/ &amp;&amp; npm cache clean &amp;&amp; npm install &amp;&amp; npm start -- --reset-cache</code></li>
<li>RN >=0.50 - 
<code>watchman watch-del-all &amp;&amp; rm -rf $TMPDIR/react-native-packager-cache-* &amp;&amp; rm -rf $TMPDIR/metro-bundler-cache-* &amp;&amp; rm -rf node_modules/ &amp;&amp; npm cache clean &amp;&amp; npm install &amp;&amp; npm start -- --reset-cache</code></li>
<li>NPM >=5 - 
<code>watchman watch-del-all &amp;&amp; rm -rf $TMPDIR/react-* &amp;&amp; rm -rf node_modules/ &amp;&amp; npm cache verify &amp;&amp; npm install &amp;&amp; npm start -- --reset-cache</code></li>
<li>Windows - 
<code>del %appdata%\Temp\react-native-* &amp; cd android &amp; gradlew clean &amp; cd .. &amp; del node_modules/ &amp; npm cache clean --force &amp; npm install &amp; npm start -- --reset-cache</code></li>
</ol>

The solution is similar to <a href="https://stackoverflow.com/questions/46878638/how-to-clear-react-native-cache/51375437#51375437">Vikram Biwal's Answer.</a>

And there is a discussion below in the given link, so even if the above 4 cases don't work for you, you can scroll through and find a possible solution.

blocks|key|233666|text|如果使用的是WebStorm，请按“配置选择”下拉按钮，然后选择“编辑配置”：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|233667|​|233668|📷|atomic|233669|233670|双击Start+React+Native+Bundler底部的Before+launch部分：|233671|233672|233673|233674|输入--reset-cache到Arguments部分：|233675|233676|233677|233678|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/fe6c212a7f554077f7bf73c4545d566b.png|imageAlt|1|https://developer.qcloudimg.com/http-save/yehe-900000/2ddb03bb36fe8d67964b9d1f096d7145.png|2|https://developer.qcloudimg.com/http-save/yehe-900000/c3bb4d6ab58773467c7472fc3d6bb768.png^0|6|8|0|0|0|1|0|0|0|2|Q|V|D|0|0|0|1|1|0|0|2|D|G|9|0|0|0|1|2|0|0^^$0|@$1|2|3|4|5|6|7|18|8|@$9|19|A|1A|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1B|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|1C|8|@]|D|@$9|1D|A|1E|1|1F]]|E|$]]|$1|K|3|G|5|6|7|1G|8|@]|D|@]|E|$]]|$1|L|3|M|5|6|7|1H|8|@$9|1I|A|1J|B|C]|$9|1K|A|1L|B|C]]|D|@]|E|$]]|$1|N|3|G|5|6|7|1M|8|@]|D|@]|E|$]]|$1|O|3|I|5|J|7|1N|8|@]|D|@$9|1O|A|1P|1|1Q]]|E|$]]|$1|P|3|G|5|6|7|1R|8|@]|D|@]|E|$]]|$1|Q|3|R|5|6|7|1S|8|@$9|1T|A|1U|B|C]|$9|1V|A|1W|B|C]]|D|@]|E|$]]|$1|S|3|G|5|6|7|1X|8|@]|D|@]|E|$]]|$1|T|3|I|5|J|7|1Y|8|@]|D|@$9|1Z|A|20|1|21]]|E|$]]|$1|U|3|G|5|6|7|22|8|@]|D|@]|E|$]]|$1|V|3|-4|5|6|7|23|8|@]|D|@]|E|$]]]|W|$X|$5|Y|Z|10|E|$11|12|13|-4]]|14|$5|Y|Z|10|E|$11|15|13|-4]]|16|$5|Y|Z|10|E|$11|17|13|-4]]]]

If you are using <code>WebStorm</code>, press configuration selection drop down button left of the run button and select edit configurations:

<a href="https://i.stack.imgur.com/5Ypl1.png" rel="noreferrer"><img src="https://i.stack.imgur.com/5Ypl1.png" alt="edit configurations"></a>

Double click on <code>Start React Native Bundler</code> at bottom in <code>Before launch</code> section:

<a href="https://i.stack.imgur.com/13Bq3.png" rel="noreferrer"><img src="https://i.stack.imgur.com/13Bq3.png" alt="before launch"></a>

Enter <code>--reset-cache</code> to <code>Arguments</code> section:

<a href="https://i.stack.imgur.com/3vaAR.png" rel="noreferrer"><img src="https://i.stack.imgur.com/3vaAR.png" alt="arguments"></a>

blocks|key|233687|text|清除的缓存:如果确定模块存在，请尝试以下步骤：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|233688|透明看守人手表:+npm看守人表-del-all|ordered-list-item|233689|删除node_modules:+rm+-rf+node_modules并运行纱线安装|233690|重设麦德龙的高速缓存:纱线启动-复位-缓存|233691|删除缓存:+rm+-rf+/tmp/metro-*|233692|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$]]|$1|E|3|F|5|D|7|O|8|@]|9|@]|A|$]]|$1|G|3|H|5|D|7|P|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|Q|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|R|8|@]|9|@]|A|$]]]|L|$]]

Clearing the Cache of your React Native Project:
if you are sure the module exists, try this steps:

<ol>
<li>Clear watchman watches:
npm watchman watch-del-all</li>
<li>Delete node_modules:
rm -rf node_modules and run yarn install</li>
<li>Reset Metro's cache:
yarn start --reset-cache</li>
<li>Remove the cache: rm -rf /tmp/metro-*</li>
</ol>

blocks|key|458109|text|你试过gradle+cleanBuildCache吗？|type|unstyled|depth|inlineStyleRanges|entityRanges|data|458110|缓存|offset|length|458111|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.android.com/studio/build/build-cache.html#clear_the_build_cache^0|0|0|2|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

Have you tried gradle cleanBuildCache?

<a href="https://developer.android.com/studio/build/build-cache.html#clear_the_build_cache" rel="nofollow noreferrer">https://developer.android.com/studio/build/build-cache.html#clear_the_build_cache</a>

blocks|key|458201|text|您可以在React本机>=+0.50和npm+>5中清除缓存：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|458202|watchman+watch-del-all+&&+
rm+-rf+$TMPDIR/react-native-packager-cache-*+&&
rm+-rf+$TMPDIR/metro-bundler-cache-*+&&+
rm+-rf+node_modules/+
&&+npm+cache+clean+--force+&&
npm+install+&&+
npm+start+--+--reset-cache|code-block|syntax|javascript|458203|除了清理npm缓存之外，您可能还需要复位仿真器或清洁生成等。|offset|length|458204|entityMap|0|LINK|mutability|MUTABLE|url|https://medium.com/@abhisheknalwaya/how-to-clear-react-native-cache-c435c258834e^0|0|0|I|A|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@$I|V|J|W|1|X]]|A|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

You can clean cache in React Native >= 0.50 and npm > 5 :

<pre><code>watchman watch-del-all &amp;&amp; 
rm -rf $TMPDIR/react-native-packager-cache-* &amp;&amp;
rm -rf $TMPDIR/metro-bundler-cache-* &amp;&amp; 
rm -rf node_modules/ 
&amp;&amp; npm cache clean --force &amp;&amp;
npm install &amp;&amp; 
npm start -- --reset-cache
</code></pre>

Apart from cleaning npm cache you might need to <a href="https://medium.com/@abhisheknalwaya/how-to-clear-react-native-cache-c435c258834e" rel="nofollow noreferrer">reset simulator or clean build</a> etc.

blocks|key|233184|text|好吧..。我想分享我在这个问题上的经验：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|233185|我正面临着这个问题，当我打开任务管理器时，我注意到许多任务正在执行，它们被链接到我的项目文件夹。|233186|所以我重新启动了我的电脑，当它打开的时候，我可以安装我所需要的一切，所以问题自己解决了，它对我起了作用，希望这能帮到某人…|233187|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

Well.. i want to share my experience about this issue:
I was facing this problem, and when I opened the task manager I notice many tasks being executed, and they were linked to my project folder.
So I restarted my PC, and when it turned on, I could install all I needed, so the problem got solved itself, it worked to me, hope this help somebody...

blocks|key|233604|text|我有一个类似的问题，我试图清除所有可能的缓存(几乎所有的解决方案以上)，唯一对我有效的事情是杀死博览应用程序，并重新启动它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|233605|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I had a similar problem, I tried to clear all the caches possible (tried almost all the solutions above) and the only thing that worked for me was to kill the expo app and to restart it.

blocks|key|458535|text|我今天也谈到了这个问题。原因有点愚蠢--+vscode汽车从express-validator进口了一些东西，并导致了这个错误。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|458536|如果有人已经完成了清除缓存/删除模块的所有步骤，或者什么都没有。|458537|entityMap^0|L|6|U|H|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|O|8|@]|D|@]|E|$]]|$1|H|3|-4|5|6|7|P|8|@]|D|@]|E|$]]]|I|$]]

I went into this issue today, too. The cause was kinda silly -- <code>vscode</code> auto imported something from <code>express-validator</code> and caused the bug. 
 
Just mentioning this in case anyone has done all the steps to clear cache/ delete modules or what not.

blocks|key|233284|text|用于android和Npm|type|unstyled|depth|inlineStyleRanges|entityRanges|data|233285|watchman+watch-del-all+&&+rm+-rf+node_modules/+&&
rm+-rf+$TMPDIR/react-native-packager-cache-*+&&
rm+-rf+$TMPDIR/metro-bundler-cache-*+&&++
npm+cache+clean+&&+yarn+install+&&+
npm+start+--reset-cache|code-block|syntax|javascript|233286|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

For android and Npm
<pre><code>watchman watch-del-all &amp;&amp; rm -rf node_modules/ &amp;&amp;
rm -rf $TMPDIR/react-native-packager-cache-* &amp;&amp;
rm -rf $TMPDIR/metro-bundler-cache-* &amp;&amp; 
npm cache clean &amp;&amp; yarn install &amp;&amp; 
npm start --reset-cache
</code></pre>

blocks|key|458763|text|反应本机|type|unstyled|depth|inlineStyleRanges|entityRanges|data|458764|+npm+start+-r-cache|code-block|syntax|javascript|458765|或|458766|yarn+cache+clean|458767|世博会|458768|expo+start+-c|458769|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

React native
<pre><code> npm start -r-cache
</code></pre>
or
<pre><code>yarn cache clean
</code></pre>
Expo
<pre><code>expo start -c
</code></pre>

blocks|key|2092861|text|在您的终端中运行：expo+prebuild+--clean|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2092862|entityMap^0|9|L|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

Run in your terminal: <code>expo prebuild --clean</code>

blocks|key|2092723|text|清除IOS/Xcode中的缓存|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2092724|删除/Users/{YOUR_USERNAME}/Library/Developer/Xcode/DerivedData/中的文件夹，然后重试。|offset|length|style|CODE|2092725|rm+~/Library/Developer/Xcode/DerivedData/*+|code-block|syntax|javascript|2092726|entityMap^0|0|2|1N|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@$D|Q|E|R|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|S|8|@]|9|@]|A|$K|L]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

<h3>TO Clear cache in IOS/Xcode</h3>
Delete folders in
<code> /Users/{YOUR_USERNAME}/Library/Developer/Xcode/DerivedData/</code>
and try again.
<pre><code>rm ~/Library/Developer/Xcode/DerivedData/* 
</code></pre>

In react-native development, there are multiple caches used when the app is built:
<ol>
<li>React-native packager cache</li>
<li>Emulator cache</li>
<li>Java side cache (.gradle) folder (only in android)</li>
<li>npm cache (if relevant?)</li>
</ol>
Am I missing something also? Because I'm trying to clear cache in react-native, to be able to repeat a bug that only occurs on first usage. But clearing those caches above did not help. This is on android. When the app is building, most of the rows DO NOT say UP-TO-DATE, as expected, because I cleared the cache.
But, there are still many rows where this text is printed. Like:
<blockquote>
app:preBuild UP-TO-DATE
app:preDebugBuild UP-TO-DATE
:app:preReleaseBuild UP-TO-DATE
</blockquote>
The question is, how can I clear the whole cache related to react-native development?

How to clear react-native cache?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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在react本机开发中，在构建应用程序时会使用多个缓存：React本机包缓存仿真器缓存Java侧缓存(.gradle)文件夹(仅在android中)npm缓存(如果相关的话？)我是不是也错过了什么？因为我试图清除react本机中的缓存，以便能够重复只在第一次使用时发生的错误。但是，清除上面的隐藏并没有帮助。这是在android上。当应用程序正在构建时，大多数行都没有像预期的那样说是最新的，因为我清

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