var version = require('./package.json').version;

// Custom webpack loaders are generally the same for all webpack bundles, hence
// stored in a separate local variable.
var loaders = [
    {test: /\.json$/, loader: 'json-loader'},
];


module.exports = [
    {
        // Notebook extension
        //
        // This bundle only contains the part of the JavaScript that is run on
        // load of the notebook. This section generally only performs
        // some configuration for requirejs, and provides the legacy
        // "load_ipython_extension" function which is required for any notebook
        // extension.
        //
        entry: './src/extension.js',
        output: {
            filename: 'extension.js',
            path: '../static',
            libraryTarget: 'amd'
        }
    },
    {
        // Bundle for the notebook containing the custom widget views and models
        //
        // This bundle contains the implementation for the custom widget views and
        // custom widget.
        // It must be an amd module
        //
        entry: './src/index.js',
        output: {
            filename: 'index.js',
            path: '../static',
            libraryTarget: 'amd'
        },
        devtool: 'source-map',
        module: {
            loaders: loaders
        },
        externals: ['jupyter-js-widgets']
    },
    {
        // Embeddable jupyter-widget-example bundle
        //
        // This bundle is generally almost identical to the notebook bundle
        // containing the custom widget views and models.
        //
        // The only difference is in the configuration of the webpack public path
        // for the static assets.
        //
        // It will be automatically distributed by unpkg to work with the static
        // widget embedder.
        //
        // The target bundle is always `dist/index.js`, which is the path required
        // by the custom widget embedder.
        //
        entry: './src/embed.js',
        output: {
            filename: 'index.js',
            path: './dist/',
            libraryTarget: 'amd',
            publicPath: 'https://unpkg.com/jupyter-widget-example@' + version + '/dist/'
        },
        devtool: 'source-map',
        module: {
            loaders: loaders
        },
        externals: ['jupyter-js-widgets']
    }
];