// webpack.config.js
const StatsReportPlugin = require("webpack-stats-report").StatsReportPlugin;
module.exports = {
    // ... configuration settings here ...
    plugins: [new StatsReportPlugin({ 
        //options
        title: "Stats Report - webpack-stats-report",
        output: ".temp/stats-report.html"
    })]
};

const webpack = require('webpack');
const StatsReportGenerator = require("webpack-stats-report").StatsReportGenerator;
webpack(webpackConfig, async (err, stats) => {
   await StatsReportGenerator({
        //options
        title: "Stats Report - webpack-stats-report",
        output: ".temp/stats-report.html",
        //require one more option stats
        stats: stats.toJson({
            //source for gzipSize = true
            source: true,
            reasons: false,
            chunkModules: false
        })
    });
});

//default options
{
    title: "Stats Report",
    output: "stats-report.html",
    outputStatsJson: false,
    gzipSize: false
    ...
}