tudorilisoi

e3

Setup

• fork the repo https://github.com/tudorilisoi/blitz-e4
• git clone your fork on to your machine
• git add remote origin https://github.com/tudorilisoi/blitz-e4
• install node v18.18.0, then run npm i -g yarn
• run yarn install
• run npx blitz prisma migrate dev to create the database

tudorilisoi

// schema
import { z } from 'zod'

// structure for a blog post
export const postCreateSchema = z.object({
  title: z
    .string({ required_error: 'Title is required' })
    .min(10, 'Title is too short'),
  body: z
    .string({ required_error: 'Body is required' })

tudorilisoi

import { faker } from '@faker-js/faker';
const MAX = 100
const users = []
const departaments = 'bridge engine'.split(' ')

for (let i = 0; i < MAX; i++) {
    let firstName = faker.name.firstName();
    let lastName = faker.name.lastName();
    const user = {
        name: firstName + ' ' + lastName,

tudorilisoi

let num = 0 //declare a variable whose initial value is zero

//function declaration
function increaseNum(){
    num++ //increase the value of num by 1  using the increment operator   

    //get the reference to the body element
    let bodyElement = document.getElementsByTagName('body')[0]

    //... and set its text value to the value of num

tudorilisoi

//***  Object creation

// 1) class syntax , usage: p = new Person('Rex')
class Person {

  constructor(name) {
    this.name = name
  }

  sayHello() {

tudorilisoi

let i = 1 //step

//this implementation computes the sequence as an array
function fib(n) {
    if (n === 1) {
        return [1, 1]
    }
    const prev = fib(n - 1)
    const rl = prev.length

tudorilisoi

/* 
Write a recursive function that splits a string based on a separator (similar to String.prototype.split). 
Don't use JS array's split function to solve this problem.

Input: 02/20/2020 
Output: ["02", "20", "2020"]

https://courses.thinkful.com/dsa-v1/checkpoint/2

tudorilisoi

try {
    
    // queries sequence
    const topicIDs = await knex('topics_users').select('topic_id').where('user_id', userID)
    const topics = await knex('topics').select('*').where('id', topicIDs)

    //single query
    const topicsInOneGo = await knex('topics').select('*')
    .innerJoin('topics_users', 'topics_users.id', 'topics.id')
    .where('topics_users.user_id', topicIDs)

tudorilisoi

export default function Layout(props) {
    const classes = useStyles()
    const gc = useGlobalStyles()
    const { data: { user, loading } } = useContext(AppContext)

    console.log(`LOADING ${loading}`)

    const menuProps = { user }
    return (

tudorilisoi

// Toast/Snack
import { NoSsr, Snackbar } from "@material-ui/core";
import { Alert } from "@material-ui/lab";
import React, { useEffect, useState } from "react";

export default function Snack(props) {
  const { message, severity = "success" } = props
  const [open, setOpen] = React.useState(null);

  useEffect(() => {