94 lines
3.0 KiB
Markdown
94 lines
3.0 KiB
Markdown
---
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layout: docs
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title: Webpack
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description: Learn how to include Bootstrap in your project using Webpack.
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group: getting-started
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toc: true
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---
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## Installing Bootstrap
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[Install bootstrap]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/download/#npm) as a Node.js module using npm.
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## Importing JavaScript
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Import [Bootstrap's JavaScript]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/) by adding this line to your app's entry point (usually `index.js` or `app.js`):
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{% highlight js %}
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import 'bootstrap';
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{% endhighlight %}
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Alternatively, you may **import plugins individually** as needed:
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{% highlight js %}
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import 'bootstrap/js/dist/util';
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import 'bootstrap/js/dist/alert';
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...
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{% endhighlight %}
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Bootstrap depends on [jQuery](https://jquery.com/) and [Popper](https://popper.js.org/),
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which are specified in the `peerDependencies` property; this means that you will have to make sure to add both of them
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to your `package.json` using `npm install --save jquery popper.js`.
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## Importing Styles
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### Importing Precompiled Sass
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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.
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First, create your own `_custom.scss` and use it to override the [built-in custom variables]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/theming/). Then, use your main Sass file to import your custom variables, followed by Bootstrap:
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{% highlight scss %}
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@import "custom";
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@import "~bootstrap/scss/bootstrap";
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{% endhighlight %}
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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). With minimal setup, your webpack config should include this rule or similar:
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{% highlight js %}
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...
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{
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test: /\.(scss)$/,
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use: [{
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loader: 'style-loader', // inject CSS to page
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}, {
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loader: 'css-loader', // translates CSS into CommonJS modules
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}, {
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loader: 'postcss-loader', // Run postcss actions
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options: {
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plugins: function () { // postcss plugins, can be exported to postcss.config.js
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return [
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require('autoprefixer')
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];
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}
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}
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}, {
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loader: 'sass-loader' // compiles Sass to CSS
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}]
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},
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...
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{% endhighlight %}
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### Importing Compiled CSS
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Alternatively, you may use Bootstrap's ready-to-use CSS by simply adding this line to your project's entry point:
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{% highlight js %}
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import 'bootstrap/dist/css/bootstrap.min.css';
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{% endhighlight %}
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In this case you may use your existing rule for `css` without any special modifications to webpack config, except you don't need `sass-loader` just [style-loader](https://github.com/webpack-contrib/style-loader) and [css-loader](https://github.com/webpack-contrib/css-loader).
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{% highlight js %}
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...
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module: {
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rules: [
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{
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test: /\.css$/,
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use: ['style-loader', 'css-loader']
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}
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]
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}
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...
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{% endhighlight %}
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