Minimal Webpack DllPlugin example

app.js

var square = require('./vendor');

console.log(square(7));

app.webpack.config.js

var webpack = require('webpack');
module.exports = {
  entry: {
    app: ['./app'],
  },
  output: {
    filename: 'app.bundle.js',
    path: 'build/',
  },
  plugins: [new webpack.DllReferencePlugin({
    context: '.',
    manifest: require('./build/vendor-manifest.json'),
  })]
};

Build.md

Compile with:

webpack --config vendor.webpack.config.js
webpack --config app.webpack.config.js

Use with the following index.html

<script src="build/vendor.bundle.js"></script>
<script src="build/app.bundle.js"></script>

vendor.js

function square(n) {
  return n*n;
}

module.exports = square;

vendor.webpack.config.js

var webpack = require('webpack');
module.exports = {
  entry: {
    vendor: ['./vendor'],
  },
  output: {
    filename: 'vendor.bundle.js',
    path: 'build/',
    library: 'vendor_lib',
  },
  plugins: [new webpack.DllPlugin({
    name: 'vendor_lib',
    path: 'build/vendor-manifest.json',
  })]
};