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Webpack

Learn how to include Bootstrap in your project using Webpack.

+ + +

Installing Bootstrap

Install bootstrap as a Node.js module using npm.

Importing JavaScript

Import Bootstrap’s JavaScript by adding this line to your app’s entry point (usually index.js or app.js):

import 'bootstrap';
+

Alternatively, you may import plugins individually as needed:

import 'bootstrap/js/dist/util';
+import 'bootstrap/js/dist/alert';
+...
+

Bootstrap depends on jQuery and Popper, +which are specified in the peerDependencies property; this means that you will have to make sure to add both of them +to your package.json using npm install --save jquery popper.js.

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. Then, use your main Sass file to import your custom variables, followed by Bootstrap:

@import "custom";
+@import "~bootstrap/scss/bootstrap";
+

For Bootstrap to compile, make sure you install and use the required loaders: sass-loader, postcss-loader with Autoprefixer. With minimal setup, your webpack config should include this rule or similar:

...
+{
+  test: /\.(scss)$/,
+  use: [{
+    loader: 'style-loader', // inject CSS to page
+  }, {
+    loader: 'css-loader', // translates CSS into CommonJS modules
+  }, {
+    loader: 'postcss-loader', // Run postcss actions
+    options: {
+      plugins: function () { // postcss plugins, can be exported to postcss.config.js
+        return [
+          require('autoprefixer')
+        ];
+      }
+    }
+  }, {
+    loader: 'sass-loader' // compiles Sass to CSS
+  }]
+},
+...
+

Importing Compiled CSS

Alternatively, you may use Bootstrap’s ready-to-use CSS by simply adding this line to your project’s entry point:

import 'bootstrap/dist/css/bootstrap.min.css';
+

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 and css-loader.

...
+module: {
+  rules: [
+    {
+      test: /\.css$/,
+      use: ['style-loader', 'css-loader']
+    }
+  ]
+}
+...
+