heytulsiprasad

// shows hashing passwords through famous npm package bcrypt

const bcrypt = require("bcryptjs")

const myFunction = async () => {
    const password = "thisisapassword"
    const hashedPassword = await bcrypt.hash(password, 8)

    console.log(password)
    console.log(hashedPassword)

heytulsiprasad

// we are going to explore jsonwebtoken methods

const jwt = require("jsonwebtoken")

const myFunction = async () => {
  const token = jwt.sign({ _id: "abcdefg" }, "anysecretkey", {
    expiresIn: "10 seconds"
  })
  
  console.log(token)

heytulsiprasad

const bcrypt = require("bcryptjs")
const mongoose = require("mongoose")

// we need to design a schema first of all
const userSchema = new mongoose.Schema({
  name: {
    type: String
  },
  password: {
    type: String

heytulsiprasad

// this is a file in the root folder

const User = require("./models/user.js");

const main = async () => {
	// to show tasks saved by a particular user
	
	const user = await User.findById("5e54b46f3022d70b2ceaf2e5")
// 	console.log(user.tasks)    --> without virtual (returns undefined, as tasks ain't a field)
	

heytulsiprasad

// index.js >>> root file of /src

const multer = require("multer")
const express = require("express")
const app = express()

const upload = multer({
  dist: "images"
})

heytulsiprasad

const multer = require("multer")
const express = require("express")
const app = express()

const storage = multer.diskStorage({
  destination: function (req, file, cb) {
    cb(null, __dirname + "/uploads")
  },
  filename: function (req, file, cb) {
    const firstname = file.originalname.split(".")[0]

heytulsiprasad

const mongoose = require("mongoose")

mongoose.connect("mongodb://127.0.0.1:27017/whatever-you-call", {
  useNewUrlParser: true,
  useCreateIndex: true,
  useUnifiedTopology: true,
  useFindAndModify: false
});

// connect to database

heytulsiprasad

const jwt = require("jsonwebtoken")
const User = require("../models/user")

const auth = async (req, res, next) => {
  try {
    const token = req.header("Authorization").replace("Bearer", "")
    const decoded = jwt.verify(token, "thegivensecret")
    const user = await User.findOne({
      _id: decoded._id,
      "tokens.token": token

heytulsiprasad

<!-- Let all the boilerplate here -->

<svg class="my-svg-class">
  <use xlink:href="img/sprite.svg#icon-whatever"></use>
</svg>

<!-- I bought the svg from IconMoon.io then made all the code inside sprite.svg
     and targeted the icon name followed by # -->

heytulsiprasad

<form action="/contact" method="post">
  <label>TITLE</label>
  <label>
    <input type="radio" name="title" value="mr">Mr
  </label>
  <label>
      <input type="radio" name="title" value="mrs">Mrs
  </label></br>
  <label>First name</label></br>
<input type="text" name="first_name"></br>