gulp-livereload

gulpfile.js

const { watch } = require('gulp');
const livereload = require('gulp-livereload');

const watchPaths = ['app/assets', 'app/views'];

const reloadBrowser = cb => {
  console.log('Reloading browser...');
  livereload.reload();
  cb();
};

exports.default = function() {
  livereload.listen();
  watch(watchPaths, reloadBrowser);
};