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Bootstrap/docs/4.0/getting-started/webpack.md

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---
layout: docs
title: Webpack
description: Learn how to include Bootstrap in your project using Webpack 2.
group: getting-started
toc: true
---
## Installing Bootstrap
[Install bootstrap](/getting-started/download/#npm) as a node module using npm.
## Importing JavaScript
Import [Bootstrap's JavaScript](/getting-started/javascript/) by adding this line to your app's entry point (usally `index.js` or `app.js`):
{% highlight js %}
import 'bootstrap';
{% endhighlight %}
Alternatively, you may **import plugins individually** as needed:
{% highlight js %}
import 'bootstrap/js/dist/util';
import 'bootstrap/js/dist/dropdown';
...
{% endhighlight %}
Bootstrap is dependent on [jQuery](https://jquery.com/) and [Popper](https://popper.js.org/), so npm will install them for you if needed. But they must be explicitly provided by webpack. Add the following code to the `plugins` section in your webpack config file:
{% highlight js %}
plugins: [
...
new webpack.ProvidePlugin({
$: 'jquery',
jQuery: 'jquery',
'window.jQuery': 'jquery',
Popper: ['popper.js', 'default'],
// In case you imported plugins individually, you must also require them here:
Util: "exports-loader?Util!bootstrap/js/dist/util",
Dropdown: "exports-loader?Dropdown!bootstrap/js/dist/dropdown",
...
})
...
]
{% endhighlight %}
{% callout warning %}
Notice that if you chose to **import plugins individually**, you must also install [exports-loader](https://github.com/webpack-contrib/exports-loader)
{% endcallout %}
## Importing Styles
### Importing Precompiled SASS
To enjoy the full potential of Bootstrap and customize it to your needs, use the source files as a part of your project's bundling process.
First, create your own `_custom.scss` and use it to override the [built-in custom variables](/getting-started/options/). Then, use your main sass file to import your custom variables, followed by Bootstrap:
{% highlight scss %}
@import "custom";
@import "~bootstrap/scss/bootstrap";
{% endhighlight %}
For Bootstrap to compile, make sure you install and use the required loaders: [sass-loader](https://github.com/webpack-contrib/sass-loader), [postcss-loader](https://github.com/postcss/postcss-loader) with [Autoprefixer](https://github.com/postcss/autoprefixer#webpack) and [postcss-flexbugs-fixes](https://github.com/luisrudge/postcss-flexbugs-fixes). With minimal setup, your webpack config should include this rule or similar:
{% highlight js %}
...
{
test: /\.(scss)$/,
use: [{
loader: 'style-loader', // inject CSS to page
}, {
loader: 'css-loader', // translates CSS into CommonJS modules
}, {
loader: 'postcss-loader', // Run post css actions
options: {
plugins: function () { // post css plugins, can be exported to postcss.config.js
return [
require('precss'),
require('autoprefixer')
];
}
}
}, {
loader: 'sass-loader' // compiles SASS to CSS
}]
},
...
{% endhighlight %}
### Importing Compiled CSS
Alternatively, you may use Bootstrap's ready-to-use css by simply adding this line to your project's entry point:
{% highlight js %}
import 'bootstrap/dist/css/bootstrap.min.css';
{% endhighlight %}
In this case you may use your existing rule for `css` without any special modifications to webpack config.