parsley/config/webpack/environment.js

const { environment } = require('@rails/webpacker');
const { VueLoaderPlugin } = require('vue-loader');
const vue =  require('./loaders/vue');
const svg =  require('./loaders/svg');

environment.plugins.prepend('VueLoaderPlugin', new VueLoaderPlugin());
environment.loaders.prepend('vue', vue);
environment.loaders.prepend('svg', svg);

const fileLoader = environment.loaders.get('file');
fileLoader.exclude = /\.(svg)$/i;

module.exports = environment;