hmmhmmhm

const list = [{ text: "a" }, { text: "b" }, { text: "c" }, { text: "d" }];

// Map & Filter
const i1 = list
  .map((item, index) => (item.text === "c" ? index : null))
  .filter((item) => item !== null)[0]!;

// For
let i2 = 0;
for (const item of list) {

hmmhmmhm

import Router from 'next/router'
import { useEffect } from 'react'

export default function StaticRoute() {
  useEffect(() => {
    Router.replace(window.location.pathname, window.location.pathname, {
      shallow: true
    })
  }, [])
  return null

hmmhmmhm

/**
 * Converts an ArrayBuffer to a String.
 *
 * @param buffer - Buffer to convert.
 * @returns String.
 */
export const arrayBufferToString = (buffer: ArrayBuffer) =>
  String.fromCharCode.apply(null, Array.from(new Uint16Array(buffer)))

/**

hmmhmmhm

type FileCallbackType = (
  event:
    | {
        file: File
        thumbnail: string | ArrayBuffer | null
        getFormData: (name: string) => FormData
      }[]
    | void
) => unknown

hmmhmmhm

export interface PackNode {
  w: number
  h: number
  x?: number
  y?: number
  used?: boolean
  right?: PackNode
  down?: PackNode
  fit?: PackNode
}

hmmhmmhm

const url = `/component.js`;
const a = document.createElement("a");
a.href = url;
a.download = url.split("/").pop()!;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);

hmmhmmhm

Codewatch is a watch theme that does not collect or store personal information. If you have any related questions, please contact us in the email below. pm2@kakao.com

hmmhmmhm

// ts
const mod = (n: number, m: number) => {
  let r = n % m;
  return Math.floor(r >= 0 ? r : r + m);
};

// js
const mod = (n, m) => {
  let r = n % m;
  return Math.floor(r >= 0 ? r : r + m);

hmmhmmhm

const Excel = require("exceljs");
const workbook = new Excel.Workbook();

void (async () => {
  const excel = await workbook.xlsx.readFile("before.xlsx");
  const worksheets = excel.worksheets;

  // 첫 번째 시트정보 얻어오기
  const originSheet = worksheets[0];

hmmhmmhm

const outerLexicalEnvironment = {
  window: {},
  global: {},
  Object: {},
  Function: {},
  self: {},
  globalThis: {},
  Error: {},
  TypeError: {},
  JSON: {},