environment.js

const { environment } = require('@rails/webpacker')

const babelLoader = environment.loaders.get('babel')

environment.loaders.insert('svg', {
  test: /\.svg$/,
  use: babelLoader.use.concat([
    {
      loader: 'react-svg-loader',
      options: {
        jsx: true,
        svgo: {
          plugins: [
            { removeTitle: false }
          ],
          floatPrecision: 2
        }
      }
    }
  ])
}, { before: 'file' });

const fileLoader = environment.loaders.get('file');
fileLoader.exclude = /\.(js|jsx|coffee|ts|tsx|vue|elm|scss|sass|css|html|json|svg)?(\.erb)?$/

module.exports = environment;