webpack.min.config.js

var path = require('path');
var HtmlWebpackPlugin = require('html-webpack-plugin');

var SUPPORT_IE = process.env.SUPPORT_IE;
var SPARQL_ENDPOINT = process.env.SPARQL_ENDPOINT;
var WIKIDATA_ENDPOINT = process.env.WIKIDATA_ENDPOINT;
var LOD_PROXY = process.env.LOD_PROXY;
var PROP_SUGGEST = process.env.PROP_SUGGEST;

var aliases = {};
if (!SUPPORT_IE) {
    const emptyModule = path.resolve(__dirname, 'src', 'ontodia', 'emptyModule.ts');
    aliases['canvg-fixed'] = emptyModule;
    aliases['es6-promise/auto'] = emptyModule;
}

var examplesDir = path.join(__dirname, 'examples');
var htmlTemplatePath = path.join(__dirname, 'examples', 'template.ejs');

module.exports = {
    mode: 'development',
    entry: {
        rdf: path.join(examplesDir, 'rdf.ts'),
        demo: path.join(examplesDir, 'demo.ts'),
        sparql: path.join(examplesDir, 'sparql.ts'),
        dbpedia: path.join(examplesDir, 'dbpedia.ts'),
        sparqlNoStats: path.join(examplesDir, 'sparqlNoStats.ts'),
        sparqlConstruct: path.join(examplesDir, 'sparqlConstruct.ts'),
        sparqlRDFGraph: path.join(examplesDir, 'sparqlRDFGraph.ts'),
        sparqlTurtleGraph: path.join(examplesDir, 'sparqlTurtleGraph.ts'),
        styleCustomization: path.join(examplesDir, 'styleCustomization.ts'),
        wikidata: path.join(examplesDir, 'wikidata.ts'),
        composite: path.join(examplesDir, 'composite.ts'),
        wikidataGraph: path.join(examplesDir, 'wikidataGraph.ts'),
        toolbarCustomization: path.join(examplesDir, 'toolbarCustomization.tsx'),
    },
    resolve: {
        alias: aliases,
        extensions: ['.ts', '.tsx', '.js'],
    },
    module: {
        rules: [
            {test: /\.ts$|\.tsx$/, use: ['ts-loader']},
            {test: /\.css$/, use: ['style-loader', 'css-loader']},
            {test: /\.scss$/, use: ['style-loader', 'css-loader', 'sass-loader']},
            {
                test: /\.(jpe?g|gif|png|svg)$/,
                use: [{loader: 'url-loader'}],
            },
            {test: /\.ttl$/, use: ['raw-loader']},
        ]
    },
    devtool: 'source-map',
    optimization: {
        splitChunks: {
            cacheGroups: {
                commons: {
                    name: 'commons',
                    chunks: 'initial',
                    minChunks: 2,
                }
            }
        },
    },
    output: {
        path: path.join(__dirname, 'dist', 'examples'),
        filename: '[name].bundle.js',
        chunkFilename: '[id].chunk.js',
        publicPath: '',
    },
    plugins: [
        new HtmlWebpackPlugin({
            title: 'Local',
            chunks: ['commons', 'sparql'],
            template: htmlTemplatePath,
        }),
        new HtmlWebpackPlugin({
            filename: 'sparql.html',
            title: 'SparQL',
            chunks: ['commons', 'sparql'],
            template: htmlTemplatePath,
        }),
    ],
    devServer: {
        disableHostCheck: true,
        contentBase: './dist',
        proxy: {
            '/sparql**': {
                target: SPARQL_ENDPOINT,
                pathRewrite: {'/sparql' : ''},
                changeOrigin: true,
                secure: false,
            },
            '/wikidata**': {
                target: WIKIDATA_ENDPOINT || SPARQL_ENDPOINT,
                pathRewrite: {'/wikidata' : ''},
                changeOrigin: true,
                secure: false,
            },
            '/lod-proxy/**': {
                target: LOD_PROXY,
                changeOrigin: true,
                secure: false,
            },
            '/wikidata-prop-suggest**': {
                target: PROP_SUGGEST,
                pathRewrite: {'/wikidata-prop-suggest' : ''},
                changeOrigin: true,
                secure: false,
            },
        },
    }
};