Encryption Passwords Using dcrypt package.

models/User.js

@@ -3,6 +3,8 @@
 const mongoose = require('mongoose');
 // Import Validator 3rd party Package.
 const validator = require('validator');
+// Import Bcrypt 3rd party Package.
+const bcrypt = require('bcryptjs');
 // Create User Schema
 const userSchema = new mongoose.Schema({
     name: {
@@ -40,6 +42,18 @@ const userSchema = new mongoose.Schema({
         watched_list: []
     }
 });
+
+// Encryption the password.
+// eslint-disable-next-line node/no-unsupported-features/es-syntax
+userSchema.pre('save', async function(next) {
+    // ONly run this function if password was actually modified
+    if (!this.isModified('password')) {
+        return next();
+    }
+    // Hash the password with cost of 12
+    this.password = await bcrypt.hash(this.password, 12);
+    next();
+});
 // eslint-disable-next-line new-cap
 const User = new mongoose.model('User', userSchema);
 

package.json

@@ -16,6 +16,7 @@
   "license": "ISC",
   "dependencies": {
     "axios": "^0.19.0",
+    "bcryptjs": "^2.4.3",
     "body-parser": "^1.19.0",
     "concurrently": "^5.0.2",
     "connect-mongodb-session": "^2.2.0",