og-image/webpack.config.js

const Encore = require('@symfony/webpack-encore')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const APP_BASE_URL = '/'

Encore.configureRuntimeEnvironment(process.env.NODE_ENV || 'dev')

Encore
    .setOutputPath('public/')
    .setPublicPath(APP_BASE_URL)
    .setManifestKeyPrefix('')
    .addEntry('app', './src/app.js')
    .enableSingleRuntimeChunk()
    .cleanupOutputBeforeBuild()
    .enableBuildNotifications()
    .enableSourceMaps(!Encore.isProduction())
    .enableVersioning(Encore.isProduction())
    .enableVueLoader(() => {}, { runtimeCompilerBuild: false })
    .configureBabel((config) => {
        config.plugins.push('@babel/plugin-proposal-class-properties')
    })
    .configureTerserPlugin((config) => {
      config.parallel = TERSER_PARALLEL
    })
    .configureBabelPresetEnv((config) => {
      config.useBuiltIns = 'usage'
      config.corejs = 3
    })
    .copyFiles({
      from: './src/img',
      to: 'img/[path][name].[ext]'
    })
    .addPlugin(new HtmlWebpackPlugin({
      template: 'src/index.html',
      favicon: 'src/img/favicon.svg'
    }))
    .enableSassLoader()
    .enableVersioning()
    .enablePostCssLoader()
;

module.exports = Encore.getWebpackConfig()