Remove files for simplification

.eslintignore

-# bin folder
-bin
-
-# build folder 
-build
-dist
-
-# test files
-/__tests__/**
-*.test.js
-*.spec.js
-
-# config files
-*.config.js

.eslintrc.js

-module.exports = {
-  env: {
-    es6: true,
-    node: true
-  },
-  extends: [
-    'eslint:recommended',
-    'plugin:import/errors',
-    'plugin:import/warnings'
-  ],
-  parserOptions: {
-    ecmaVersion: 2018,
-    sourceType: 'module'
-  },
-  rules: {
-    'linebreak-style': ['error', 'unix'],
-    quotes: ['error', 'single'],
-    semi: ['warn', 'always'],
-    'import/no-commonjs': 'error'
-  }
-};

babel.config.js

-module.exports = api => {
-  const isTest = api.env('test');
-
-  api.cache(true);
-  // configs to load when testing environment
-  if (isTest)
-    return {
-      presets: ['@babel/preset-env']
-    };
-
-  return {
-    presets: ['@babel/preset-env'],
-    ignore: ['**/__tests__/**', '*.test.js', '*.spec.js']
-  };
-};

jest.config.js

-module.exports = {
-  setupFiles: ['<rootDir>/node_modules/regenerator-runtime/runtime']
-};

nodemon.json

-{
-  "execMap": {
-    "js": "babel-node"
-  },
-  "watch": ["src/*", "public/*"],
-  "ext": "js, html, css, json"
-}

package.json

 {
-  "name": "express-es6-sample",
+  "name": "your-project-name",
   "version": "0.0.0",
   "private": true,
   "scripts": {
     "start": "npm run prod",
-    "dev": "NODE_ENV=development npm run watch ./src/bin/www",
-    "prod": "npm run build && NODE_ENV=production node ./dist/bin/www",
-    "build": "npm run clean && babel ./src --config-file ./babel.config.js --out-dir dist",
+    "server": "babel-node ./src/bin/www",
+    "server:prod": "node ./dist/bin/www",
+    "dev": "NODE_ENV=development npm-run-all server",
     "clean": "rimraf dist",
-    "watch": "nodemon --config ./nodemon.json --",
-    "test": "jest",
-    "test:watch": "npm run test -- --watch"
+    "build": "babel ./src --out-dir dist",
+    "prod": "NODE_ENV=production npm-run-all clean build server:prod"
   },
   "dependencies": {
     "cookie-parser": "~1.4.3",
     "debug": "~2.6.9",
     "express": "~4.16.0",
     "morgan": "~1.9.0",
+    "npm-run-all": "^4.1.5",
     "rimraf": "^2.6.3"
   },
   "devDependencies": {
     "@babel/cli": "^7.2.3",
     "@babel/core": "^7.2.2",
     "@babel/node": "^7.2.2",
-    "@babel/polyfill": "^7.2.5",
-    "@babel/preset-env": "^7.3.1",
-    "eslint": "^5.13.0",
-    "eslint-plugin-import": "^2.16.0",
-    "jest": "^24.1.0",
-    "nodemon": "^1.18.9",
-    "supertest": "^3.4.2"
+    "@babel/preset-env": "^7.3.1"
   }
 }

src/__tests__/index.test.js

-import request from 'supertest';
-import app from '../app';
-
-describe('sample test', () => {
-  it('jest works', () => {
-    expect(true).toBe(true);
-  });
-});
-
-describe('index route', () => {
-  it('responds 200', async () => {
-    const response = await request(app).get('/');
-    expect(response.statusCode).toBe(200);
-  });
-});

src/bin/www.js

@@ -8,20 +8,20 @@ import app from '../app';
 import debugLib from 'debug';
 import http from 'http';
 
-const debug = debugLib('express-es6-sample:server');
+const debug = debugLib('your-project-name:server');
 
 /**
  * Get port from environment and store in Express.
  */
 
-const port = normalizePort(process.env.PORT || '3000');
+var port = normalizePort(process.env.PORT || '3000');
 app.set('port', port);
 
 /**
  * Create HTTP server.
  */
 
-const server = http.createServer(app);
+var server = http.createServer(app);
 
 /**
  * Listen on provided port, on all network interfaces.
@@ -65,7 +65,6 @@ function onError(error) {
   // handle specific listen errors with friendly messages
   switch (error.code) {
     case 'EACCES':
-      /* eslint-disable no-console */
       console.error(bind + ' requires elevated privileges');
       process.exit(1);
       break;