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docs(study): 7주차 React 입문 추가, 9주차 렌더링 진화로 개편#18

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docs(study): 7주차 React 입문 추가, 9주차 렌더링 진화로 개편#18
seoJing merged 2 commits into
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@seoJing seoJing commented May 11, 2026

Summary

  • week7: 바닐라 JS 한계 → React 등장 이유 → 컴포넌트 → Virtual DOM 섹션 신규 추가. 기존 프로젝트 구조/책임 분리 내용 유지. Next.js 간략 소개로 마무리.
  • week9: 웹 보안 주제를 CSR/SSR/SSG/ISR/PPR 렌더링 진화 + Web Vitals(LCP/INP/CLS) 측정 방법으로 전면 개편.

Changes

  • week7.mdx: React 기초(컴포넌트, Virtual DOM) 섹션 4개 추가, 제목/태그/설명 업데이트
  • week9.mdx: 웹 보안 → Next.js 렌더링 진화 + 퍼포먼스 측정으로 전면 재작성

🤖 Generated with Claude Code

Summary by CodeRabbit

  • Documentation
    • 7주차 학습 콘텐츠 업데이트: React 기초, 컴포넌트 구조, 프로젝트 아키텍처 강의 재편성
    • 9주차 학습 콘텐츠 변경: Next.js 렌더링 전략 및 웹 성능 측정 관련 내용 추가

Review Change Stack

- week7: 바닐라 JS 한계 → React 등장 이유 → 컴포넌트 → Virtual DOM 섹션 추가, Next.js 간략 소개로 마무리
- week9: 웹 보안 → CSR/SSR/SSG/ISR/PPR 렌더링 진화 + Web Vitals 측정으로 전면 개편

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Reviewing files that changed from the base of the PR and between a418411 and eebd90d.

📒 Files selected for processing (2)
  • apps/web/content/study/clab-26-1/in-person/week7.mdx
  • apps/web/content/study/clab-26-1/in-person/week9.mdx

Walkthrough

두 주차 학습 콘텐츠 파일이 완전히 재작성되었습니다. week7은 React 기초 개념부터 프로젝트 구조 책임 분리와 도구 생태계까지 포괄하는 React 입문 강의로 구성되었고, week9는 웹 보안 주제에서 CSR/SSR/SSG/ISR/Streaming/PPR 렌더링 전략 진화와 Web Vitals 성능 측정으로 전환되었습니다.

Changes

Week 7: React 입문과 프로젝트 구조

레이어 / 파일 요약
주차 메타데이터
apps/web/content/study/clab-26-1/in-person/week7.mdx
제목을 "대면 7주차: React 입문과 프로젝트 구조"로, 설명과 태그를 React/컴포넌트/Virtual DOM/책임 분리로 업데이트했습니다.
React 기본 개념
apps/web/content/study/clab-26-1/in-person/week7.mdx
Vanilla JS DOM 한계 → 선언적 UI → 컴포넌트 정의 → Virtual DOM으로 단계적으로 설명하는 새 교육 구조를 작성했습니다. StudyPage/Layout/Header/StudyList 컴포넌트 트리 예시와 Counter 렌더링 플로우를 추가했습니다.
책임 분리 프레임워크
apps/web/content/study/clab-26-1/in-person/week7.mdx
UI/상태/서버 데이터/비즈니스 규칙 네 가지 책임을 각각 Bad→Good 코드 예시로 설명하며, ApplyButton, canApplyRecruitment 필터링, useNoticesQuery 패턴을 제시합니다.
폴더 구조 및 도구 생태계
apps/web/content/study/clab-26-1/in-person/week7.mdx
평탄/기능/레이어드/원자적/FSD 폴더 구조 옵션과 CLAB 멤버 앱 디렉토리 사례, 패키지 관리/빌드/스타일/HTTP/캐싱/상태 관리/라우팅/린트/테스트 도구 역할 매핑표를 추가했습니다.
실습 미션 및 안내
apps/web/content/study/clab-26-1/in-person/week7.mdx
팀 페어 프로그래밍용 리팩토링 미션 체크리스트(쿼리 훅/UI 상태/필터링 함수 추출), Next.js 라이브러리/프레임워크 구분, week8(API 통신) 예습 가이드를 추가했습니다.

Week 9: Next.js 렌더링 전략과 Web Vitals

레이어 / 파일 요약
주차 메타데이터
apps/web/content/study/clab-26-1/in-person/week9.mdx
제목을 "Next.js 렌더링 전략 진화와 Web Vitals"로, 설명과 태그를 웹 보안에서 렌더링 성능으로 완전히 변경했습니다.
렌더링 기초
apps/web/content/study/clab-26-1/in-person/week9.mdx
CSR(클라이언트 사이드 렌더링) 개념, SSR(서버 사이드 렌더링) 비교, Hydration 프로세스("보이지만 반응 없는 구간" 문제)를 단계별로 설명하며, 각 방식의 FCP/SEO/서버 부하 영향을 정리했습니다.
Next.js 전략 진화
apps/web/content/study/clab-26-1/in-person/week9.mdx
SSG/ISR(재생성 주기 설정), Streaming SSR(Suspense/Skeleton), PPR(컴포넌트 단위 정적·동적 분리) 등 렌더링 전략 진화 로드맵과 비교표를 새로 구성했습니다.
서버/클라이언트 컴포넌트
apps/web/content/study/clab-26-1/in-person/week9.mdx
"use client" 지시어로 클라이언트 경계 정의, 상호작용/상태/데이터베이스 접근 범위를 비교 테이블과 실행 예시로 설명합니다.
Web Vitals 성능 지표
apps/web/content/study/clab-26-1/in-person/week9.mdx
LCP(Largest Contentful Paint)/INP(Interaction to Next Paint)/CLS(Cumulative Layout Shift) 각 지표의 정의, 기준값, 렌더링 방식별 영향(Hydration 무게, 이미지/폰트), Lighthouse/Performance/Network 탭 측정 가이드를 제시합니다.
렌더링 선택 기준 및 다음주 안내
apps/web/content/study/clab-26-1/in-person/week9.mdx
데이터 변경 빈도·상호작용 중요도 기반 렌더링 방식 선택 기준을 요약하고, week10 학습 내용과 관련 포스팅 링크 2개를 추가했습니다.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Possibly related PRs

  • seoJing/SEOJing#14: 동일한 clab-26-1 in-person 시리즈 MDX 콘텐츠 파일(week7, week9)을 수정하는 관련 PR입니다.
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Title check ✅ Passed 제목이 PR의 주요 변경 사항을 명확하게 요약하고 있습니다. '7주차 React 입문 추가, 9주차 렌더링 진화로 개편'은 두 파일의 핵심 변경(React 기초 추가, 보안→렌더링 주제 변경)을 정확하게 반영하고 있습니다.
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Actionable comments posted: 1

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (2)
apps/web/content/study/clab-26-1/in-person/week7.mdx (1)

1-711: ⚠️ Potential issue | 🟡 Minor | ⚡ Quick win

이 파일도 Prettier 경고를 해소해 주세요.

CI 로그 기준으로 Prettier --check 경고가 발생했습니다. 문서 PR에서는 포맷 통일이 특히 중요하니 prettier --write 적용 후 재검증 부탁드립니다.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@apps/web/content/study/clab-26-1/in-person/week7.mdx` around lines 1 - 711,
Prettier reported formatting issues in the MDX (week7.mdx); run prettier --write
on the file and commit the changes to resolve the CI warning, ensuring the YAML
frontmatter, JSX-like MDX components (Subtitle, Paragraph, Anchor), code blocks
(```js/tsx/json), and inline braces/quotes/whitespace are normalized (no
trailing spaces, consistent indentation, single/double quote style per project
Prettier config), then re-run prettier --check; fix any remaining violations
reported by Prettier for symbols like the top-level frontmatter (---),
Subtitle/Paragraph/Anchor components, and fenced code blocks so the file passes
CI.
apps/web/content/study/clab-26-1/in-person/week9.mdx (1)

1-400: ⚠️ Potential issue | 🟡 Minor | ⚡ Quick win

Prettier 경고를 먼저 정리해주세요.

CI에서 이 파일의 Prettier --check 경고가 보고되었습니다. 문서 내용이 맞더라도 포맷 경고가 남아 있으면 이후 변경 검증이 어려워집니다. prettier --write로 파일 포맷을 정리한 뒤 다시 커밋해 주세요.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@apps/web/content/study/clab-26-1/in-person/week9.mdx` around lines 1 - 400,
CI reported Prettier formatting warnings for the MDX content (the frontmatter
and JSX blocks such as the title "프론트엔드 스터디 대면 9주차: Next.js 렌더링 진화와 웹 퍼포먼스" and
components like <Subtitle>, <Paragraph>, <Anchor>), so run the project's
formatter (prettier --write) on this MDX file to fix spacing, code-fence and JSX
formatting, verify with prettier --check, then stage and recommit the formatted
file so CI no longer reports Prettier errors.
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@apps/web/content/study/clab-26-1/in-person/week7.mdx`:
- Around line 705-707: The Anchor element linking to
"/blog/study/clab-26-1/week7" has an incorrect label ("불변성, 프로토타입, 타입 체크");
update the Anchor's inner text to match the current week 7 topic (e.g., "React
입문/프로젝트 구조") so the link label reflects the current curriculum; locate the
Anchor element in apps/web/content/study/clab-26-1/in-person/week7.mdx and
replace the displayed text between the opening and closing Anchor tags
accordingly.

---

Outside diff comments:
In `@apps/web/content/study/clab-26-1/in-person/week7.mdx`:
- Around line 1-711: Prettier reported formatting issues in the MDX (week7.mdx);
run prettier --write on the file and commit the changes to resolve the CI
warning, ensuring the YAML frontmatter, JSX-like MDX components (Subtitle,
Paragraph, Anchor), code blocks (```js/tsx/json), and inline
braces/quotes/whitespace are normalized (no trailing spaces, consistent
indentation, single/double quote style per project Prettier config), then re-run
prettier --check; fix any remaining violations reported by Prettier for symbols
like the top-level frontmatter (---), Subtitle/Paragraph/Anchor components, and
fenced code blocks so the file passes CI.

In `@apps/web/content/study/clab-26-1/in-person/week9.mdx`:
- Around line 1-400: CI reported Prettier formatting warnings for the MDX
content (the frontmatter and JSX blocks such as the title "프론트엔드 스터디 대면 9주차:
Next.js 렌더링 진화와 웹 퍼포먼스" and components like <Subtitle>, <Paragraph>, <Anchor>),
so run the project's formatter (prettier --write) on this MDX file to fix
spacing, code-fence and JSX formatting, verify with prettier --check, then stage
and recommit the formatted file so CI no longer reports Prettier errors.
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Reviewing files that changed from the base of the PR and between d882dac and a418411.

📒 Files selected for processing (2)
  • apps/web/content/study/clab-26-1/in-person/week7.mdx
  • apps/web/content/study/clab-26-1/in-person/week9.mdx

Comment on lines +705 to +707
- <Anchor href="/blog/study/clab-26-1/week7">
이번 주 학습 자료(week7) — 불변성, 프로토타입, 타입 체크
</Anchor>
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⚠️ Potential issue | 🟡 Minor | ⚡ Quick win

관련 포스팅 설명 문구가 현재 주차 주제와 어긋납니다.

/blog/study/clab-26-1/week7 링크 라벨이 "불변성, 프로토타입, 타입 체크"로 되어 있는데, 이번 파일의 7주차 주제(React 입문/프로젝트 구조)와 불일치해 보입니다. 링크 설명 문구를 현재 커리큘럼 기준으로 맞춰주세요.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@apps/web/content/study/clab-26-1/in-person/week7.mdx` around lines 705 - 707,
The Anchor element linking to "/blog/study/clab-26-1/week7" has an incorrect
label ("불변성, 프로토타입, 타입 체크"); update the Anchor's inner text to match the current
week 7 topic (e.g., "React 입문/프로젝트 구조") so the link label reflects the current
curriculum; locate the Anchor element in
apps/web/content/study/clab-26-1/in-person/week7.mdx and replace the displayed
text between the opening and closing Anchor tags accordingly.

@seoJing seoJing merged commit a1f53be into main May 11, 2026
6 checks passed
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