October 2024
Beginner to intermediate
452 pages
9h 28m
Korean
Content preview from 실전 코드로 배우는 Vue.js
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169
CHAPTER 04
컴포넌트 상호작용
}
export default {
name: 'PizzaComponent',
props: {
pizza: {
type: Object as PropType<Pizza>, ➊
required: true
}
}
}
➊
PropType
을 통해
pizza
prop
타입을
Pizza
인터페이스로 선언한다.
이제
PizzaComponent
에 잘못된 데이터 타입을 전달하면 타입스크립트가 이를 정확하게 감
지하고 에러를 일으킨다.
NOTE
Vue
는 런타임 동안 타입 유효성을 검사하고 타입스크립트는 컴파일 과정에서 타입을 검사한다. 따
라서
Vue
의 검사와 타입스크립트의 검사를 병행하며 코드 버그를 검수할 수 있다.
4.1.4
defineProps
()와
withDefaults
()를 이용한
prop
선언
3
.
3
.
1
절에서 언급했다시피,
Vue
3
.
x
부터 기존의 옵션
API
없이
<
script
setup
>
구문으로
기능성 컴포넌트
functional
component
를 선언할 수 있다. [예제
4
-
11
]은
<
script
setup
>
블록에
서
defineProps
()
를 통해
props
를 선언한다.
예제
4-11
<
script
setup
>
에서
defineProps
()
로
props
선언하기
<script setup>
import { defineProps ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.