Avi-E-Koenig

const Cart = require('../models/cart.model')
// returns ObjectId or null
const { parseObjectId } = require('../utils/validateObjectId')

async function addOrCreateNestedItem(newItem) {
  try {
    const cart = await Cart.findOne(
      {
        _id: '618018504bb0eb2bdf6f2955',
      })

Avi-E-Koenig

// server.js
process
    .on('unhandledRejection', (reason, p) => {
        Logger.error('Unhandled Rejection at Promise', { reason, p });
    })
    .on('uncaughtException', (err) => {
        Logger.error('Uncaught Exception thrown', err);
        process.exit(1);
    });

Avi-E-Koenig

const mysql = require('mysql2/promise');
const Logger = require('./SqlLogger.service');
const dbPool = require('./authDb.service')

const _DB_POOL_LIST = {}

async function _createPool({ db_id, db_host, db_name, db_user, db_password }) {
    try {
        let pool = _DB_POOL_LIST[db_id]

Avi-E-Koenig

// the logger to sql class....based on winston-mysql
/**
 * This is a MySQL transport module for winston.
 * https://github.com/winstonjs/winston
 * I made some customizations
 */

const Transport = require('winston-transport');
const MySql = require('mysql2');

Avi-E-Koenig

const Joi = require('joi');
const Logger = require('../services/logger.service');


const mysqlEscapeStrings = (value, helper) => {
    const validMysqlChars = /[0-9,a-z,A-Z$_]/
    if (value.match(validMysqlChars)) {
        return value;
    }
    return helper.message(`${value} contains illegal characters`)

Avi-E-Koenig

const arrayMapper = (array, uniqueID) => array.reduce((acc, obj, index) => {
  if (!obj?.[uniqueID]) {
    console.error("🚀 ~ file: doodle.js ~ line 6 ~ arrayMapper ~ ", { obj, uniqueID, index })
    throw new Error('uniqueId no found')
  }
  acc[obj[uniqueID]] = obj
  return acc;
}, {})

function uuidv4() {

Avi-E-Koenig

const express = require('express')
const app = express()
const port = 3000

const catchErrors = (requestHandler) => {
  return async (req, res, next) => {
    try {
      throw 'oops'
      return await requestHandler(req, res, next);
    } catch (error) {

Avi-E-Koenig

const main = async () => {
  try {
    const resultSet = fetchYearRange(2022, 2052)

    console.log("🚀 ~ file: main.js ~ line 24 ~ merged ~ resultSet", JSON.stringify(resultSet))
    // copy and do stuff.

    console.log("🚀 ~ file: main.js ~ line 7 ~ main ~ resultSet", resultSet)
    // save this to file if you're less lazy then me :)

Avi-E-Koenig

/**
 * Takes a string input
 * @param {String} str
 * @returns {String} The first not repeated character or empty string
 */
const firstNonRepeatingLetter = (str) => {

  function isUnique(char) {
    let charCount = 0;
    for (let i = 0; i < str.length; i++) {

Avi-E-Koenig

const baseArr = [[1, 2], [{ foo: 'bar' }]]

const reducer1 = (keepRefs) => (acc, val, i) => {
  if (keepRefs) {
    acc[i] = val
    return acc
  }

  try {
    acc[i] = JSON.parse(JSON.stringify(val))