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type Func = (par: number) => string;

function canBeParameter(func: Func) {
  // do Something
}

function canReturn(): Func {
  return (par) => par.toString();
}

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function hello(name) {
  return `Hello, ${name}.`;
}

function main() {
  const helloString = hello('Henry');
  console.log(helloString);
}

main();

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const someName = 'Henry';

function hello() {
  console.log(`Hello, ${someName}.`);
}

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interface Person {
  readonly name: string;
  readonly age: number;
}

function addAge(person: Person) {
  const newPerson: Person = {
    ...person,
    age: person.age + 1,
  };

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interface Person {
  name: string;
  age: number;
}

function addAge(person: Person) {
  person.age += 1;
  return person;
}

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let globalVariable = 10;

const impureFunction = (x: number, y: number) => {
  globalVariable = y;
  return x + y;
};

function main() {
  console.log(impureFunction(1, 2)); // 3
  console.log(impureFunction(1, 2)); // 3

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let globalVariable = 10;

const impureFunction = (x: number, y: number) => x + y + globalVariable;

function main() {
  console.log(impureFunction(1, 2)); // 13
  globalVariable = 20;
  console.log(impureFunction(1, 2)); // 23
}

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const pureFunction = (x: number, y: number) => x + y;

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import { configure } from '@storybook/react';

configure(require.context('../src', true, /\.stories\.js?$/), module);

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{
  "name": "RNStorybookWeb",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "android": "react-native run-android",
    "ios": "react-native run-ios",
    "storybook": "start-storybook -p 9001 -c .storybook -s .storybook/assets", // 추가
    "storybook:build": "build-storybook -c .storybook -s .storybook/assets", // 추가
    "start": "react-native start",