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Javascript – email duplicates on mongodb when hit register button on register page

everytime i register with same email on register page it still record on my mongodb whereas i expect it to not recorded

i try to write unique:true on email var at User.js like this

import bcrypt from 'bcrypt';
import { Schema, model, models } from "mongoose";



const UserSchema = new Schema({
    email: {type: String, required: true, unique: true},
    password: {
        type: String, 
        required: true, 
        validate: pass => {
        if(!pass?.length || pass.length < 5){
            new Error('password setidaknya harus 5 karakter');
            return false;
            }
        },
    },
    
},{timestamps: true});


UserSchema.post('validate', function (user){
    const notHashedPassword = user.password;
    const salt = bcrypt.genSaltSync(10);
    user.password = bcrypt.hashSync(notHashedPassword, salt);
})
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2

Answers


  1. Chosen as BEST ANSWER
    0

    i added an unique index on my database by writing db.users.createIndex({ email: 1 }, { unique: true })

    so that mongoDB will enforce the uniqueness constraint on the email field going forward, ensuring that no new duplicate emails can be inserted into the collection.


  2. 0

    Try changing the const to const UserSchema = mongoose.Schema and see if that helps.

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