webpack.config.js

const Encore = require('@symfony/webpack-encore');
const PurgeCssPlugin = require('purgecss-webpack-plugin');
const glob = require('glob-all');
const path = require('path');


 // create global $ and jQuery variables

// 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 || 'dev');
}

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 sub-directory deploy
    //.setManifestKeyPrefix('build/')

    /*
     * ENTRY CONFIG
     *
     * Add 1 entry for each "page" of your app
     * (including one that's included on every page - e.g. "app")
     *
     * 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/js/app.js')
    .addEntry('login', './assets/js/login.js')
    .addEntry('perfil', './assets/js/perfil.js')
    .addEntry('section_select', './assets/js/select_section.js')
    .addEntry('select2_form', './assets/js/select2_form.js')



    //.addEntry('page1', './assets/js/page1.js')
    .addStyleEntry('loginStyle', './assets/css/styles.css')
    .addStyleEntry('perfilStyle', './assets/css/account.css')
    .addStyleEntry('email', './assets/css/email.scss')

    //.addEntry('page2', './assets/js/page2.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()
    .enableBuildNotifications()
    .enableSourceMaps(!Encore.isProduction())
    // enables hashed filenames (e.g. app.abc123.css)
    .enableVersioning(Encore.isProduction())

    // enables @babel/preset-env polyfills
    .configureBabel(() => {
    }, {
        useBuiltIns: 'usage',
        corejs: 3
    })

    // enables Sass/SCSS support
    .enableSassLoader()

    .enableSassLoader((options) => {
        options.sourceMap = true;
        options.sassOptions = {
            outputStyle: options.outputStyle,
            sourceComments: !Encore.isProduction(),
        };
        delete options.outputStyle;
    }, {})

    // uncomment if you use TypeScript
    //.enableTypeScriptLoader()

    // uncomment to get integrity="..." attributes on your script & link tags
    // requires WebpackEncoreBundle 1.4 or higher
    //.enableIntegrityHashes(Encore.isProduction())

    // uncomment if you're having problems with a jQuery plugin
     .autoProvidejQuery()



    // global.$ = global.jQuery = $


    // uncomment if you use API Platform Admin (composer req api-admin)
    //.enableReactPreset()
    //.addEntry('admin', './assets/js/admin.js')
    .enablePostCssLoader()

    .enablePostCssLoader((options) => {
        // new option outlined here https://webpack.js.org/loaders/postcss-loader/
        options.postcssOptions = {
            config: './postcss.config.js',
        }
    })

    .copyFiles({
        from: './assets/images',
        to: 'images/[path][name].[ext]',
        pattern: /\.(png|jpg|jpeg)$/,

    })



;
if (Encore.isProduction()) {
    Encore.addPlugin(new PurgeCssPlugin({
        paths: glob.sync([
            path.join(__dirname, 'templates/**/*.html.twig')
        ]),
        defaultExtractor: (content) => {
            return content.match(/[\w-/:]+(?<!:)/g) || [];
        }
    }));
}

module.exports = Encore.getWebpackConfig();