From b781ad1a2f30b2ad188d4c3f68fa2e1c5f0d17d1 Mon Sep 17 00:00:00 2001
From: Jaybe <master@jaybe.dev>
Date: Tue, 18 Nov 2025 13:29:51 +0900
Subject: [PATCH] =?UTF-8?q?=ED=94=84=EB=A6=AC=EB=B7=B0=20=EB=AA=A8?=
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---
 src/app/editor/page.tsx                       |  13 ++-
 src/app/preview/page.tsx                      |  19 ++++
 .../editor/components/PublicPageRenderer.tsx  | 106 ++++++++++++++++++
 tests/e2e/preview.spec.ts                     |  77 +++++++++++++
 4 files changed, 213 insertions(+), 2 deletions(-)
 create mode 100644 src/app/preview/page.tsx
 create mode 100644 src/features/editor/components/PublicPageRenderer.tsx
 create mode 100644 tests/e2e/preview.spec.ts

diff --git a/src/app/editor/page.tsx b/src/app/editor/page.tsx
index e96eab7..c2f4c73 100644
--- a/src/app/editor/page.tsx
+++ b/src/app/editor/page.tsx
@@ -2,6 +2,7 @@
 
 import type { CSSProperties, ReactNode } from "react";
 import { useState } from "react";
+import Link from "next/link";
 import {
   DndContext,
   PointerSensor,
@@ -222,8 +223,16 @@ export default function EditorPage() {
   return (
     <main className="min-h-screen flex flex-col bg-slate-950 text-slate-50">
       <header className="border-b border-slate-800 px-6 py-4 flex items-center justify-between">
-        <h1 className="text-xl font-semibold">Page Editor</h1>
-        <p className="text-xs text-slate-400">빌더 MVP용 에디터 페이지 골격</p>
+        <div className="flex items-baseline gap-3">
+          <h1 className="text-xl font-semibold">Page Editor</h1>
+          <p className="text-xs text-slate-400">빌더 MVP용 에디터 페이지 골격</p>
+        </div>
+        <Link
+          href="/preview"
+          className="inline-flex items-center rounded border border-slate-700 bg-slate-900 px-3 py-1 text-xs text-slate-100 hover:bg-slate-800"
+        >
+          프리뷰 열기
+        </Link>
       </header>
       <section className="flex flex-1 overflow-hidden">
         <aside className="w-60 border-r border-slate-800 p-4 text-sm space-y-3">
diff --git a/src/app/preview/page.tsx b/src/app/preview/page.tsx
new file mode 100644
index 0000000..e5b9425
--- /dev/null
+++ b/src/app/preview/page.tsx
@@ -0,0 +1,19 @@
+"use client";
+
+import { useEditorStore } from "@/features/editor/state/editorStore";
+import { PublicPageRenderer } from "@/features/editor/components/PublicPageRenderer";
+
+export default function PreviewPage() {
+  const blocks = useEditorStore((state) => state.blocks);
+
+  return (
+    <main className="min-h-screen flex flex-col bg-slate-950 text-slate-50">
+      <header className="border-b border-slate-800 px-6 py-4 flex items-center justify-between">
+        <h1 className="text-xl font-semibold">Page Preview</h1>
+        <p className="text-xs text-slate-400">빌더로 만든 페이지를 미리 보는 화면</p>
+      </header>
+      {/* 에디터 크롬 없이 순수 페이지 형태로 블록들을 렌더링 */}
+      <PublicPageRenderer blocks={blocks} />
+    </main>
+  );
+}
diff --git a/src/features/editor/components/PublicPageRenderer.tsx b/src/features/editor/components/PublicPageRenderer.tsx
new file mode 100644
index 0000000..384a8ef
--- /dev/null
+++ b/src/features/editor/components/PublicPageRenderer.tsx
@@ -0,0 +1,106 @@
+"use client";
+
+import type { Block, TextBlockProps, ButtonBlockProps, ImageBlockProps, SectionBlockProps } from "@/features/editor/state/editorStore";
+
+// 에디터 크롬 없이 실제 랜딩 페이지처럼 블록들을 렌더링하는 컴포넌트
+interface PublicPageRendererProps {
+  blocks: Block[];
+}
+
+export function PublicPageRenderer({ blocks }: PublicPageRendererProps) {
+  const sectionBlocks = blocks.filter((b) => b.type === "section");
+  const rootBlocks = blocks.filter((b) => !b.sectionId && b.type !== "section");
+
+  const renderBlock = (block: Block) => {
+    if (block.type === "text") {
+      const props = block.props as TextBlockProps;
+
+      const alignClass =
+        props.align === "center" ? "text-center" : props.align === "right" ? "text-right" : "text-left";
+      const sizeClass = props.size === "sm" ? "text-sm" : props.size === "lg" ? "text-2xl" : "text-base";
+
+      return (
+        <p key={block.id} className={`${alignClass} ${sizeClass} text-slate-50 leading-relaxed`}>
+          {props.text}
+        </p>
+      );
+    }
+
+    if (block.type === "button") {
+      const props = block.props as ButtonBlockProps;
+
+      return (
+        <a
+          key={block.id}
+          href={props.href}
+          className="inline-flex items-center justify-center rounded-md bg-sky-600 px-4 py-2 text-sm font-medium text-white hover:bg-sky-500 transition-colors"
+        >
+          {props.label}
+        </a>
+      );
+    }
+
+    if (block.type === "image") {
+      const props = block.props as ImageBlockProps;
+
+      return (
+        <div key={block.id} className="w-full flex justify-center">
+          {/* eslint-disable-next-line @next/next/no-img-element */}
+          <img src={props.src || ""} alt={props.alt} className="max-w-full h-auto object-contain" />
+        </div>
+      );
+    }
+
+    return null;
+  };
+
+  const renderSection = (section: Block) => {
+    const props = section.props as SectionBlockProps;
+
+    const bgClass =
+      props.background === "muted" ? "bg-slate-900" : props.background === "primary" ? "bg-sky-900" : "bg-slate-950";
+
+    const pyClass = props.paddingY === "sm" ? "py-8" : props.paddingY === "lg" ? "py-20" : "py-12";
+
+    const columns = props.columns && props.columns.length > 0 ? props.columns : [{ id: `${section.id}_col`, span: 12 }];
+
+    return (
+      <section key={section.id} className={`${bgClass} ${pyClass}`}>
+        <div className="mx-auto max-w-5xl px-4">
+          <div className="flex gap-8">
+            {columns.map((col) => {
+              const basis = `${(col.span / 12) * 100}%`;
+              const columnBlocks = blocks.filter((b) => b.sectionId === section.id && b.columnId === col.id);
+
+              return (
+                <div key={col.id} className="flex flex-col gap-4" style={{ flexBasis: basis }}>
+                  {columnBlocks.map((b) => (
+                    <div key={b.id}>{renderBlock(b)}</div>
+                  ))}
+                </div>
+              );
+            })}
+          </div>
+        </div>
+      </section>
+    );
+  };
+
+  return (
+    <div className="flex-1 flex flex-col bg-slate-950 text-slate-50">
+      {/* 루트 텍스트/버튼/이미지 블록들이 있다면 페이지 상단에 노출 */}
+      {rootBlocks.length > 0 && (
+        <section className="bg-slate-950 py-12">
+          <div className="mx-auto max-w-3xl px-4 flex flex-col gap-4">
+            {rootBlocks.map((b) => (
+              <div key={b.id}>{renderBlock(b)}</div>
+            ))}
+          </div>
+        </section>
+      )}
+
+      {/* 섹션 블록들 */}
+      {sectionBlocks.map((section) => renderSection(section))}
+    </div>
+  );
+}
diff --git a/tests/e2e/preview.spec.ts b/tests/e2e/preview.spec.ts
new file mode 100644
index 0000000..2cc2aee
--- /dev/null
+++ b/tests/e2e/preview.spec.ts
@@ -0,0 +1,77 @@
+import { test, expect } from "@playwright/test";
+
+// 프리뷰/뷰 모드 TDD: 먼저 실패하는 E2E부터 작성한다.
+
+test("/preview 페이지는 에디터 크롬 없이 컨텐츠만 보여야 한다", async ({ page }) => {
+  // 프리뷰 페이지로 이동한다.
+  await page.goto("/preview");
+
+  // 프리뷰 전용 헤더가 있어야 한다.
+  await expect(page.getByRole("heading", { name: "Page Preview" })).toBeVisible();
+
+  // 에디터 좌측 패널용 버튼들은 나타나지 않아야 한다.
+  await expect(page.getByRole("button", { name: "텍스트 블록 추가" })).toHaveCount(0);
+  await expect(page.getByRole("button", { name: "Hero 템플릿 추가" })).toHaveCount(0);
+});
+
+test("에디터에서 Hero 템플릿을 추가하면 프리뷰에서 동일한 Hero 콘텐츠가 보여야 한다", async ({ page }) => {
+  // 에디터에서 Hero 템플릿을 추가한다.
+  await page.goto("/editor");
+
+  await page.getByRole("button", { name: "Hero 템플릿 추가" }).click();
+
+  // 헤드라인과 CTA 버튼이 에디터에서 생성되었는지 한 번 확인한다.
+  const editorCanvas = page.getByTestId("editor-canvas");
+  await expect(editorCanvas.getByText("Hero 제목을 여기에 입력하세요")).toBeVisible();
+  await expect(editorCanvas.getByRole("button", { name: "지금 시작하기" })).toBeVisible();
+
+  // 헤더의 프리뷰 열기 링크를 통해 /preview 로 이동한다 (클라이언트 내 내비게이션 유지).
+  await page.getByRole("link", { name: "프리뷰 열기" }).click();
+
+  // 프리뷰 헤더가 보여야 한다.
+  await expect(page.getByRole("heading", { name: "Page Preview" })).toBeVisible();
+
+  // 프리뷰에서도 Hero 헤드라인과 CTA 버튼이 그대로 보여야 한다.
+  await expect(page.getByText("Hero 제목을 여기에 입력하세요")).toBeVisible();
+  // 프리뷰에서는 CTA를 실제 링크(<a>)로 렌더링하므로 텍스트 기준으로만 검증한다.
+  await expect(page.getByText("지금 시작하기")).toBeVisible();
+
+  // 프리뷰 화면에는 에디터용 "텍스트 블록 추가" 버튼이 없어야 한다.
+  await expect(page.getByRole("button", { name: "텍스트 블록 추가" })).toHaveCount(0);
+});
+
+test("에디터에서 Features 템플릿을 추가하면 프리뷰에서 3개의 Feature 섹션이 보여야 한다", async ({ page }) => {
+  await page.goto("/editor");
+
+  await page.getByRole("button", { name: "Features 템플릿 추가" }).click();
+
+  const editorCanvas = page.getByTestId("editor-canvas");
+  await expect(editorCanvas.getByText("Feature 1 제목")).toBeVisible();
+  await expect(editorCanvas.getByText("Feature 2 제목")).toBeVisible();
+  await expect(editorCanvas.getByText("Feature 3 제목")).toBeVisible();
+
+  await page.getByRole("link", { name: "프리뷰 열기" }).click();
+
+  await expect(page.getByRole("heading", { name: "Page Preview" })).toBeVisible();
+
+  await expect(page.getByText("Feature 1 제목")).toBeVisible();
+  await expect(page.getByText("Feature 2 제목")).toBeVisible();
+  await expect(page.getByText("Feature 3 제목")).toBeVisible();
+});
+
+test("에디터에서 CTA 템플릿을 추가하면 프리뷰에서 CTA 텍스트와 버튼이 보여야 한다", async ({ page }) => {
+  await page.goto("/editor");
+
+  await page.getByRole("button", { name: "CTA 템플릿 추가" }).click();
+
+  const editorCanvas = page.getByTestId("editor-canvas");
+  await expect(editorCanvas.getByText("지금 바로 행동을 유도하는 CTA 텍스트를 입력하세요.")).toBeVisible();
+  await expect(editorCanvas.getByRole("button", { name: "CTA 버튼" })).toBeVisible();
+
+  await page.getByRole("link", { name: "프리뷰 열기" }).click();
+
+  await expect(page.getByRole("heading", { name: "Page Preview" })).toBeVisible();
+
+  await expect(page.getByText("지금 바로 행동을 유도하는 CTA 텍스트를 입력하세요.")).toBeVisible();
+  await expect(page.getByText("CTA 버튼")).toBeVisible();
+});
-- 
2.52.0