blocks|key|4332470|text|试一试|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4332471|sudo+rm+-rf+package-lock.json+node_modules
sudo+npm+cache+clean+--force
sudo+npm+i+--unsafe-perm+node-sass|code-block|syntax|javascript|4332472|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 

<pre><code>sudo rm -rf package-lock.json node_modules
sudo npm cache clean --force
sudo npm i --unsafe-perm node-sass
</code></pre>

blocks|key|4332556|text|回滚到节点v10.17.0修复了我的问题。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4332557|您可以使用nvm来执行此操作：|4332558|https://github.com/nvm-sh/nvm|4332559|>+nvm+install+10.17.0
>+nvm+use+10.17.0
>+node+-v
10.17.0|code-block|syntax|javascript|4332560|entityMap|0|LINK|mutability|MUTABLE|url^0|5|8|0|0|0|T|0|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@$9|W|A|X|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Y|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|Z|8|@]|D|@$9|10|A|11|1|12]]|E|$]]|$1|J|3|K|5|L|7|13|8|@]|D|@]|E|$M|N]]|$1|O|3|-4|5|6|7|14|8|@]|D|@]|E|$]]]|P|$Q|$5|R|S|T|E|$U|I]]]]

rolling back to node <code>v10.17.0</code> fixed the problem to me.

You can use nvm to do so:

<a href="https://github.com/nvm-sh/nvm" rel="noreferrer">https://github.com/nvm-sh/nvm</a>

<pre><code>&gt; nvm install 10.17.0
&gt; nvm use 10.17.0
&gt; node -v
10.17.0
</code></pre>

blocks|key|4332604|text|Node-sass@4.5.0无法安装在节点8上|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4332605|​|4332606|📷|atomic|offset|length|4332607|4332608|请更新node-sass或node版本兼容|4332609|去https://github.com/sass/node-sass/releases看看哪一个适合你|4332610|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/bb25b76535b6449d6c421687e68ea9fa.png|imageAlt|1|LINK|MUTABLE|url|https://github.com/sass/node-sass/releases^0|0|0|0|1|0|0|0|0|1|16|1|0^^$0|@$1|2|3|4|5|6|7|11|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|12|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|13|8|@]|9|@$G|14|H|15|1|16]]|A|$]]|$1|I|3|C|5|6|7|17|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|18|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|19|8|@]|9|@$G|1A|H|1B|1|1C]]|A|$]]|$1|N|3|-4|5|6|7|1D|8|@]|9|@]|A|$]]]|O|$P|$5|Q|R|S|A|$T|U|V|-4]]|W|$5|X|R|Y|A|$Z|10]]]]

Node-sass@4.5.0 cannot be installed on node 8

<a href="https://i.stack.imgur.com/QZsXI.png" rel="noreferrer"><img src="https://i.stack.imgur.com/QZsXI.png" alt="enter image description here"></a>

Please update either node-sass or node version compatible

Go to <a href="https://github.com/sass/node-sass/releases" rel="noreferrer">https://github.com/sass/node-sass/releases</a> to check which fits for you

blocks|key|4332816|text|使用此标志--unsafe-perm=true|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4332817|sudo+npm+i+gulp-sass+-ES+--unsafe-perm=true|code-block|syntax|javascript|4332818|entityMap^0|5|I|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

use this flag <code>--unsafe-perm=true</code>

<pre><code>sudo npm i gulp-sass -ES --unsafe-perm=true
</code></pre>

blocks|key|4332380|text|卸载node-sass后，尝试清除npm缓存。在此之后，尝试再次安装node-sass。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4332381|npm+cache+clean+&&+npm+install+node-sass|code-block|syntax|javascript|4332382|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|$]]

After uninstalling node-sass try cleaning your npm cache. After that try installing node-sass again. 

<pre><code>npm cache clean &amp;&amp; npm install node-sass
</code></pre>

blocks|key|4332767|text|支持Node+8的node-sass的最低版本为4.5.3。你需要升级你的node-sass或者降级你的Node版本。Ionic可能也有单独的问题，因为它不是一个使用node-sass的测试平台。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4332768|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|$]]

The minimum version of node-sass that supports Node 8 is 4.5.3. You'll need to upgrade your node-sass or downgrade your Node version. Ionic may also have separate issues since it isn't a tested platform with node-sass.

blocks|key|4333171|text|安装较高版本的node-sass|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4333172|npm+install+node-sass@4.13.1|code-block|syntax|javascript|4333173|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|$]]

Install the higher version of node-sass
<pre><code>npm install node-sass@4.13.1
</code></pre>

blocks|key|4332532|text|我在新安装Keystone.js时也遇到了同样的问题。通过从package.json中删除Node+Sass并再次运行npm+install，我能够通过这个问题。因为该包没有列在节点模块下。在那之后，它运行得很好。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4332533|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 the same issue with a new install with Keystone.js. I was able to get pass this issue by removing Node Sass from package.json and running npm install again. Being that the package wasn't listed under node modules. And it worked fine after that.

blocks|key|4332825|text|通过在本地强制安装node-sass解决了这个问题:+npm+install+-f+node-sass|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4332826|我很确定我知道我在做什么。this|offset|length|4332827|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/sass/node-sass/issues/1980^0|0|D|4|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]]]]

Solved this by force installing node-sass locally: npm install -f node-sass

I was pretty sure I knew what I was doing... <a href="https://github.com/sass/node-sass/issues/1980" rel="nofollow noreferrer">this</a>

blocks|key|4332729|text|下面的步骤对我很有效|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4332730|npm+install+-g+node-sass@4.5.0+--unsafe-perm=true+--allow-root

npm+cache+clean


npm+install|code-block|syntax|javascript|4332731|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|$]]

The following steps worked for me

<pre><code>npm install -g node-sass@4.5.0 --unsafe-perm=true --allow-root

npm cache clean


npm install
</code></pre>

blocks|key|4333063|text|由于您代理限制下载，有时无法下载文件win32-x64-79_binding.node，因此请按照以下链接手动设置它们。https://github.com/sass/node-sass/issues/2773|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4333064|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/sass/node-sass/issues/2773^0|1O|19|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Sometime unable to download file win32-x64-79_binding.node due to your proxy restrict to download so plase follow this below link set them manually.
<a href="https://github.com/sass/node-sass/issues/2773" rel="nofollow noreferrer">https://github.com/sass/node-sass/issues/2773</a>

I'm trying to do <code>npm install</code> and an error appears : 

<pre><code>Failed at the node-sass@4.5.0 postinstall script.
</code></pre>

I tried to delete <code>node_modules</code> and then reinstall it, same error appears.
what will be the solution?

node v8.9.3 
npm v5.4.2 
ionic 3.19.0

npm install ->Failed at the node-sass@4.5.0 postinstall script

Ionic

我正在尝试执行npm install，但出现了一个错误：Failed at the node-sass@4.5.0 postinstall script.我尝试删除node_modules，然后重新安装它，同样的错误出现。解决方案是什么？节点v8.9.3npm v5.4.2ionic 3.19.0

问npm在node-sass@4.5.0 postinstall脚本中安装->Failed
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