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2nd/10_Wiki/Topics/Programming & Language/Readonly 유틸리티 타입.md
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---
id: wiki-2026-0508-readonly-유틸리티-타입
title: Readonly 유틸리티 타입
category: 10_Wiki/Topics
status: duplicate
canonical_id: readonly-type
duplicate_of: "[[Readonly Type]]"
aliases: []
source_trust_level: A
confidence_score: 0.9
verification_status: redirected
tags: [duplicate, typescript]
last_reinforced: 2026-05-10
github_commit: pending
---
# Readonly 유틸리티 타입
> **이 문서는 [[Readonly Type]] 의 중복본입니다.** Canonical 문서로 redirect.
## 핵심 요약
- TS `Readonly<T>` — shallow immutability, mapped type 으로 모든 prop readonly.
- Deep readonly 는 별도 recursive type 필요.
## 🔗 Graph
- 부모: [[Readonly Type]] (canonical)
## 🕓 변경 이력
| 날짜 | 변경 |
|---|---|
| 2026-05-08 | Phase 1 |
| 2026-05-10 | 중복 처리 — canonical 문서로 redirect |