我如何在heroku命令行上调用npm（安装bower组件）？ [英] How can I invoke npm on heroku command line (to install bower components)?

问题描述

Bower 适用于客户端Javascript，npm是服务器端，并读取组件。 json 文件来识别应该在部署时获取的依赖关系，所以我很高兴它可以在slug编译时运行它。

不幸的是，我无法从heroku控制台或一次性命令调用npm或bower（ heroku runnpm help heroku run bash - > npm help ）。我把npm和node（最新/ x版本）放在我的 package.json 中，但在引擎部分，而不是依赖关系。

我认为这可以通过自定义节点buildpack

a>但我认为这是一个太重的任务，只是为了激活一些如此明显的事情。 您的 package.json

 dependencies：{
 bower：0.6.x
}，
scripts：{
postinstall：./node_modules/bower/bin/bower install
} 
  

然后 npm install 也会安装bower依赖关系。

：一个命令可以统治所有这些命令。
$ b

：您不必要地将bower嵌入为依赖项。

Bower is for client side Javascript what npm is for the server side and reads a component.json file to recognize dependencies that should be fetched at deploy time so I'd be happy it heroku would run it at slug compilation time.

Unfortunately I can not invoke npm or bower from a heroku console or one-off command (heroku run "npm help") (heroku run bash -> npm help) as it's possible with ruby's rake. I've put npm and node (latest/x versions) in my package.json but in the engines section, not the dependencies.

I think this could be solved by customizing the node buildpack but I consider this a little too heavy task just for activating something so obvious.

解决方案

You can also setup a postintall command, something like this in your package.json

"dependencies": {
    "bower": "0.6.x"
},
"scripts": {
    "postinstall": "./node_modules/bower/bin/bower install"
}

Then npm install will also install bower dependencies.

Pros : one command to rule them all.

Cons : you unnecessarily embed bower as a dependency.

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