kuwabataK

import React, { useReducer } from "react";
import "./App.css";

const initialState = { count: 0, str: "" };

type ActionTypes =
    {
      type: "increment";
      payload: { num: number };
    }

kuwabataK

class User {
    userId: number = 0
    userName: string = ""
}

const user1: User = {
    userId: 1,
    userName: "user1"
}

kuwabataK

function asyncSetTimeout(msec, func = () => {}){
    let timeoutId
    let r
    const exec = () => new Promise((res) => {
            r = res
            timeoutId = setTimeout(async () => {
                timeoutId = null
                await func()
                res()