bigsaigon333

import java.util.*

val trim = """[^.\d-+*()/]""".toRegex()

fun trim(v: String): String = v.replace(trim, "")

val MtoPM = """(?<!^|[*/(])-""".toRegex()

fun repMtoPM(v: String): String = v.replace(MtoPM, "+-")

bigsaigon333

const arr = [
  { id: 1, text: "abc" },
  { id: 2, text: "def" },
  { id: 3, text: "ghi" },
];

const Map = ({ list, children }) => <>{list.map((el) => children(el))}</>;

const Join = ({ separator, children }) => {
  // const [Frag] = React.Children.toArray(children);

bigsaigon333

import { renderHook } from "@testing-library/react-hooks/dom";
import useInterval from "./useInterval";

jest.useFakeTimers();
jest.spyOn(globalThis, "setInterval");
jest.spyOn(globalThis, "clearInterval");

afterEach(() => {
  jest.clearAllMocks();
});

bigsaigon333

// 0. 공통모듈

const EMPTY = {};

const err = message => { throw new Error(message); };

const validateObj = (obj) => {
  if (typeof obj !== 'object') err(`Invalid type: ${String(obj)} ${typeof obj}`);
};