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Markdown Real Preview

Markdown Real Preview

Markdown Real Preview

|
3 installs
| (0) | Free
Typora-style WYSIWYG Markdown editor for VS Code — type Markdown, see it rendered instantly
Installation
Launch VS Code Quick Open (Ctrl+P), paste the following command, and press enter.
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Markdown Real Preview

A Typora-style WYSIWYG Markdown editor for VS Code — type Markdown, see it rendered instantly.

VS Code License Vditor GitHub


Features

  • Beta — feedback welcome: enjoyerist@qq.com
  • Type Markdown syntax directly in .md files — rendered instantly as rich text
  • Full-screen editing — no split view, no toolbar, no window switching
  • Transparent background, blends perfectly with your VS Code theme
  • Supports headings / bold / italic / code blocks / blockquotes / tables / horizontal rules / links / images
  • KaTeX math, Mermaid diagrams, code syntax highlighting
  • Auto-syncs edits back to the .md file

Installation

Option 1: Install VSIX

  1. Download MarkdownRealPreview-*.vsix from Releases
  2. In VS Code: Ctrl+Shift+P → Extensions: Install from VSIX
  3. Select the .vsix file
  4. Reload Window
code --install-extension MarkdownRealPreview-1.0.1.vsix

Option 2: Build from source

git clone https://github.com/enjoyerist/MarkdownRealPreview.git
cd MarkdownRealPreview
npm install
npm run compile
npx vsce package --allow-missing-repository
code --install-extension MarkdownRealPreview-1.0.1.vsix

Usage

  1. Open any .md file (double-click opens it by default)
  2. Right-click → "Open with Markdown Real Preview"
  3. Type Markdown directly in the rendered view — WYSIWYG

Or use the Command Palette (Ctrl+Shift+P) and search Open with Markdown Real Preview

Architecture

VS Code TextDocument (.md)
        ↕  postMessage (300ms debounce, newline normalization, dedup)
┌───────────────────────────────────┐
│  Webview                          │
│  ┌─────────────────────────────┐  │
│  │  Vditor (wysiwyg mode)      │  │
│  │  - contenteditable engine   │  │
│  │  - marked parser + highlight│  │
│  │  - KaTeX math               │  │
│  │  - Mermaid diagrams         │  │
│  └─────────────────────────────┘  │
└───────────────────────────────────┘

Project Structure

MarkdownRealPreview/
├── package.json              # Extension manifest
├── tsconfig.json
├── src/
│   ├── extension.ts          # Entry: registers CustomEditor + commands
│   └── MdEditorProvider.ts   # Core: Webview lifecycle + bidirectional sync
├── media/
│   ├── editor.js             # Vditor init + sync logic
│   ├── editor.css            # Transparent background + fullscreen layout
│   ├── mdmdt-dark.css        # Mdmdt dark theme
│   └── vditor/               # Vditor engine
└── out/                      # Build output

Tech Details

Concern Solution
Editor engine Vditor wysiwyg mode
Theme Mdmdt dark theme + transparent background override
Undo/Redo Delegated to VS Code TextDocumentEdit
Sync debounce 300ms
Loop prevention Three-layer dedup (Vditor → Provider → changeSub)
Newline compat \r\n ↔ \n normalization
Image paths asWebviewUri relative path conversion
Activation onLanguage:markdown lazy load

License

MIT


Markdown Real Preview(中文)

Typora 风格的 VS Code Markdown WYSIWYG 编辑器——输入即渲染,所见即所得。

特性

  • 目前还在测试,如有问题请发邮件 enjoyerist@qq.com
  • 在 .md 文件中直接输入 Markdown 语法,即时渲染为富文本
  • 全屏编辑,无需左右分屏、无需工具栏、无需切换窗口
  • 透明背景,完美融入你的 VS Code 主题
  • 支持标题 / 加粗 / 斜体 / 代码块 / 引用 / 表格 / 分割线 / 链接 / 图片
  • 支持 KaTeX 数学公式、Mermaid 图表、代码语法高亮
  • 编辑内容实时同步回 .md 文件

安装

方式一:安装 VSIX

  1. 下载 MarkdownRealPreview-*.vsix
  2. VS Code 中按 Ctrl+Shift+P → Extensions: Install from VSIX
  3. 选择 .vsix 文件
  4. Reload Window

命令行:

code --install-extension MarkdownRealPreview-1.0.1.vsix

方式二:从源码构建

git clone https://github.com/enjoyerist/MarkdownRealPreview.git
cd MarkdownRealPreview
npm install
npm run compile
npx vsce package --allow-missing-repository
code --install-extension MarkdownRealPreview-1.0.1.vsix

使用方法

  1. 打开任意 .md 文件(双击即可默认打开)
  2. 右键 → "Open with Markdown Real Preview"
  3. 直接在渲染视图中输入 Markdown,所见即所得

也可通过命令面板(Ctrl+Shift+P)搜索 Open with Markdown Real Preview

架构

VS Code TextDocument (.md)
        ↕  postMessage(300ms 防抖、换行符归一、去重)
┌───────────────────────────────────┐
│  Webview                          │
│  ┌─────────────────────────────┐  │
│  │  Vditor(wysiwyg 模式)     │  │
│  │  - contenteditable 编辑内核 │  │
│  │  - marked 解析 + 代码高亮   │  │
│  │  - KaTeX 数学公式           │  │
│  │  - Mermaid 图表             │  │
│  └─────────────────────────────┘  │
└───────────────────────────────────┘

项目结构

MarkdownRealPreview/
├── package.json              # 扩展清单
├── tsconfig.json
├── src/
│   ├── extension.ts          # 入口:注册 CustomEditor + 命令
│   └── MdEditorProvider.ts   # 核心:Webview 生命周期 + 双向同步
├── media/
│   ├── editor.js             # Vditor 初始化 + 同步逻辑
│   ├── editor.css            # 透明背景 + 全屏布局
│   ├── mdmdt-dark.css        # Mdmdt 暗色主题
│   └── vditor/               # Vditor 引擎
└── out/                      # 编译产物

技术细节

关注点 方案
编辑器引擎 Vditor wysiwyg 模式
主题 Mdmdt 暗色主题 + 透明背景覆盖
撤销/重做 托管给 VS Code TextDocumentEdit
同步防抖 300ms
回环防护 三层去重(Vditor → Provider → changeSub)
换行符兼容 \r\n ↔ \n 归一化
图片路径 asWebviewUri 转换相对路径
激活时机 onLanguage:markdown 按需加载

许可证

MIT

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