const Encore = require('@symfony/webpack-encore');

// Manually configure the runtime environment if not already configured yet by the "encore" command.
// It's useful when you use tools that rely on webpack.config.js file.
if (!Encore.isRuntimeEnvironmentConfigured()) {
    Encore.configureRuntimeEnvironment(process.env.NODE_ENV || 'prod');
}

Encore
    // directory where compiled assets will be stored
    .setOutputPath('public/build/')
    // public path used by the web server to access the output path
    .setPublicPath('/build')
    // only needed for CDN's or subdirectory deploy
    //.setManifestKeyPrefix('build/')

    /*
     * ENTRY CONFIG
     *
     * Each entry will result in one JavaScript file (e.g. app.js)
     * and one CSS file (e.g. app.css) if your JavaScript imports CSS.
     */
    .addEntry('app', './assets/app.js')
    .addEntry('app-rtl', './assets/app-rtl.js')
    .addEntry('export-pdf', './assets/export-pdf.js')
    .addEntry('invoice', './assets/invoice.js')
    .addEntry('invoice-pdf', './assets/invoice-pdf.js')
    .addEntry('chart', './assets/chart.js')
    .addEntry('calendar', './assets/calendar.js')
    .addEntry('dashboard', './assets/dashboard.js')
    .addEntry('highlight', './assets/highlight.js')

    // When enabled, Webpack "splits" your files into smaller pieces for greater optimization.
    .splitEntryChunks()

    // will require an extra script tag for runtime.js
    // but, you probably want this, unless you're building a single-page app
    .enableSingleRuntimeChunk()

    /*
     * FEATURE CONFIG
     *
     * Enable & configure other features below. For a full
     * list of features, see:
     * https://symfony.com/doc/current/frontend.html#adding-more-features
     */
    .cleanupOutputBeforeBuild()

    // Displays build status system notifications to the user
    // .enableBuildNotifications()

    .enableSourceMaps(!Encore.isProduction())
    // enables hashed filenames (e.g. app.abc123.css)
    .enableVersioning(Encore.isProduction())

    .configureSplitChunks((splitChunks) => {
        splitChunks.chunks = 'async';
    })

    .configureBabel((config) => {
        config.sourceType = 'unambiguous';
        config.plugins.push('@babel/plugin-syntax-dynamic-import');
    })

    .configureBabelPresetEnv((config) => {
        config.useBuiltIns = 'usage';
        config.corejs = 3;
        config.targets = {};
        config.modules = false;
    })

    .enableIntegrityHashes(Encore.isProduction())
    .enableSassLoader((options) => {})

    .configureCssMinimizerPlugin((options) => {
        options.minimizerOptions = {
            preset: ['default', { discardComments: { removeAll: true } }],
        }
    })

    // compress javascript in production build
    .configureTerserPlugin((options) => {
        options.terserOptions = {
            compress: true,
            output: {
                comments: false,
            },
            // chart.js will fail if sources are mangled
            /*
            mangle: {
                properties: {
                    regex: /^_/,
                },
            },
            */
        }
    })
;

module.exports = Encore.getWebpackConfig();