Packages Used

package.json

{
  "name": "messaging-api_server",
  "version": "1.0.0",
  "description": "Backend kit for MessagingApp",
  "main": "index.js",
  "scripts": {
    "start": "gulp serve",
    "build": "gulp"
  },
  "author": "Geekyants",
  "license": "ISC",
  "dependencies": {
    "bcrypt": "^3.0.6",
    "bcrypt-nodejs": "0.0.3",
    "bluebird": "^3.5.4",
    "body-parser": "^1.19.0",
    "cloudinary": "^1.14.0",
    "compression": "^1.7.4",
    "cookie-parser": "^1.4.4",
    "cors": "^2.8.5",
    "debug": "^4.1.1",
    "express": "^4.16.4",
    "express-validation": "^1.0.2",
    "express-winston": "^3.1.0",
    "fcm-node": "^1.5.2",
    "formidable": "^1.2.1",
    "gulp": "^3.9.1",
    "gulp-env": "^0.4.0",
    "gulp-load-plugins": "^1.5.0",
    "helmet": "^3.16.0",
    "http-status": "^1.3.2",
    "joi": "^13.2.0",
    "jsonwebtoken": "^8.5.1",
    "method-override": "^3.0.0",
    "mongoose": "^5.5.4",
    "morgan": "^1.9.1",
    "node-fetch": "^2.6.0",
    "passport": "^0.4.0",
    "passport-jwt": "^4.0.0",
    "path": "^0.12.7",
    "socket.io": "^2.2.0",
    "winston": "^3.2.1"
  },
  "devDependencies": {
    "@babel/cli": "^7.4.4",
    "@babel/core": "^7.4.4",
    "@babel/preset-env": "^7.4.4",
    "@babel/register": "^7.4.4",
    "babel-plugin-add-module-exports": "^1.0.2",
    "babel-plugin-transform-runtime": "^6.23.0",
    "del": "^4.1.1",
    "eslint": "^5.16.0",
    "eslint-config-airbnb": "^17.1.0",
    "eslint-plugin-import": "^2.17.3",
    "gulp-babel": "^8.0.0",
    "gulp-eslint": "^5.0.0",
    "gulp-istanbul": "^1.1.3",
    "gulp-mocha": "^6.0.0",
    "gulp-newer": "^1.4.0",
    "gulp-nodemon": "^2.4.2",
    "gulp-plumber": "^1.2.1",
    "gulp-sourcemaps": "^2.6.5",
    "gulp-util": "^3.0.8",
    "isparta": "^4.1.1",
    "run-sequence": "^2.2.1"
  },
  "babel": {
    "presets": [
      "@babel/preset-env"
    ],
    "plugins": [
      "add-module-exports"
    ]
  },
  "eslintConfig": {
    "extends": "airbnb-base",
    "env": {
      "es6": true,
      "browser": true
    },
    "rules": {
      "brace-style": [
        "error",
        "stroustrup"
      ],
      "comma-dangle": [
        "error",
        "never"
      ],
      "no-unused-vars": [
        "warn"
      ],
      "no-var": [
        "off"
      ],
      "one-var": [
        "off"
      ]
    }
  }
}