danoseun

//encrypt
const encrypt = (salt, text) => {
  const textToChars = (text) => text.split("").map((c) => c.charCodeAt(0));
  const byteHex = (n) => ("0" + Number(n).toString(16)).substr(-2);
  const applySaltToChar = (code) => textToChars(salt).reduce((a, b) => a ^ b, code);

  return text
    .split("")
    .map(textToChars)
    .map(applySaltToChar)

danoseun

import 'dotenv/config';
import model from '../database/models'
import { Op } from 'sequelize';
import { comparePassword, hashPassword, checkPassword } from '../helpers/password';
import { findUserByEmail, registerEmailTemplate, 
        updatePassword, getUser, getUserById } from '../services/user'
import { emailTemplate, Transporter, getPasswordResetURL, 
        passwordResetEmailTemplate, 
        useUserDetailToMakeToken } from '../helpers/email';
import { convertParamToNumber } from '../helpers/util'; 

danoseun

/** @class BaseService
 * @property {Model} model - Sequelize Model
 * @description
 * Serves as an interface for database actions like FIND, UPDATE, DESTROY
 * @example
 * const roleService = new BaseService(db.Role)
 */

class DataService {
  constructor(model) {

danoseun

.search-form {
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
}

input {
    width: 250px;
    margin: 0;
    font-family: inherit;

danoseun

import React, { Component } from 'react';
import api from '../util/api';
import Card from '../components/Card';
import Row from '../components/Row';
import Container from '../components/Container';
import Column from '../components/Column';
import './index.css';


class Employee extends Component {

danoseun

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

danoseun

Vanilla JavaScript Quick Reference / Cheatsheet

Just migrated it from Codepen.io to markdown. Credit goes to David Conner.

Working with DOM	Working with JS	Working With Functions
Accessing Dom Elements	Add/Remove Array Item	Add Default Arguments to Function
Grab Children/Parent Node(s)	Add/Remove Object Properties	Throttle/Debounce Functions
Create DOM Elements	Conditionals