Is it possible to include external file with webpack (outside the context) and make the file included in built output bundle.js?
consider this setup where "sub-app" is context for webpack:
- /sub-app/entry.js
 - /bower-components/zepto/zepto.js
 
And webpack config with broccoli:
var webpackify = require('broccoli-webpack');
var path = require('path');
var webpack = require("webpack");
var bundler = webpackify(path.resolve('sub-app'), {
    entry: './entry',
    output: {filename: './bundle.js'},
    devtool: 'eval',
    module: {
      loaders: [
        {test: /\.js$/, loader: 'babel-loader'},
        {test: /\.hbs$/, loader: "handlebars-loader"}
      ]
    },
    plugins: [
      new webpack.optimize.DedupePlugin(),
      new webpack.optimize.UglifyJsPlugin()
    ]
});
I would like to include zepto.js in output bundle.js. But I need to preserve bower_components outside the sub-app.