const { config } = require('@rails/webpacker') const path = require('path'); const workboxPlugin = require('workbox-webpack-plugin'); module.exports = new workboxPlugin.InjectManifest({ swSrc: path.join(config.source_path, 'service_worker/sw.js'), swDest: 'sw.js', importsDirectory: 'sw', importWorkboxFrom: 'local' });