vue.config.js

const CompressionPlugin = require('compression-webpack-plugin')
const zopfli = require('@gfx/zopfli')
const { GenerateSW } = require('workbox-webpack-plugin')

let plugins = []
if (process.env.NODE_ENV === 'production') {
    const compressionTest =
        /\.(js|css|json|txt|html|ico|svg|png|jpg|jpeg)(\?.*)?$/i
    plugins = [
        new CompressionPlugin({
            algorithm(input, compressionOptions, callback) {
                return zopfli.gzip(input, compressionOptions, callback)
            },
            compressionOptions: {
                numiterations: 15,
            },
            minRatio: 0.99,
            test: compressionTest,
        }),
        new GenerateSW({
            swDest: 'iuri.is-sw.js',
        }),
    ]
}

module.exports = {
    publicPath: process.env.NODE_ENV === 'production' ? '/' : '/',
    configureWebpack: {
        plugins,
    },
}