Vuejs config

package.json

{
  "private": true,
  "scripts": {
    "dev": "npm run development",
    "development": "cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
    "watch": "npm run development -- --watch",
    "watch-poll": "npm run watch -- --watch-poll",
    "hot": "cross-env NODE_ENV=development node_modules/webpack-dev-server/bin/webpack-dev-server.js --inline --hot --config=node_modules/laravel-mix/setup/webpack.config.js",
    "prod": "npm run production",
    "production": "cross-env NODE_ENV=production node_modules/webpack/bin/webpack.js --no-progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js"
  },
  "devDependencies": {
    "axios": "^0.18",
    "cross-env": "^5.1",
    "gulp": "^4.0.0",
    "gulp-minify": "^3.1.0",
    "jquery": "^3.2",
    "laravel-mix": "^4.0.7",
    "lodash": "^4.17.5",
    "natives": "^1.1.6",
    "resolve-url-loader": "^2.3.1",
    "sass": "^1.15.2",
    "sass-loader": "^7.1.0",
    "vue": "^2.5.17",
    "vue-template-compiler": "^2.6.10"
  },
  "dependencies": {
    "acorn": "^6.1.1",
    "popper.js": "^1.15.0",
    "validator": "^10.11.0",
    "vee-validate": "^2.2.5",
    "vue-multiselect": "^2.1.6"
  }
}

webpack.mix.js

const mix = require('laravel-mix');

/*
 |--------------------------------------------------------------------------
 | Mix Asset Management
 |--------------------------------------------------------------------------
 |
 | Mix provides a clean, fluent API for defining some Webpack build steps
 | for your Laravel application. By default, we are compiling the Sass
 | file for the application as well as bundling up all the JS files.
 |
 */
/*mix.autoload({
    'jquery': ['$', 'window.jQuery', "jQuery", "window.$", "jquery", "window.jquery"],
    'popper.js': ['Popper', 'window.Popper']
});*/
mix.setPublicPath('../public')
	.js('resources/vue/app.js', 'assets/compiled/js')
	.sass('resources/bootstrap/scss/bootstrap.scss', 'assets/compiled/css')
	.options({
	processCssUrls: false
	});