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Hype is a document generation tool used to rapidly create, maintain, and reuse documentation.

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최종 버전 다운로드 (.zip)

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---

# Hype

---

## Quick Reference

> **Hype** is a Markdown content generator with dynamic code execution, includes, and validation.

### Install

```bash
go install github.com/gopherguides/hype/cmd/hype@latest

```

Or via Homebrew: `brew install gopherguides/hype/hype-md`

### Common Commands

| Command | Description |
| ------- | ----------- |
| 
`hype export -format=markdown -f doc.md`
 | Export to markdown (stdout) |
| 
`hype export -format=html -f doc.md -o doc.html`
 | Export to HTML file |
| 
`hype preview -f doc.md -open`
 | Live preview with hot reload |
| 
`hype validate -f doc.md`
 | Validate document structure |

### Key Tags

| Tag | Purpose | Example |
| --- | ------- | ------- |
| 
`<include>`
 | Include another file | 
`<include src=&#34;other.md&#34;>`
 |
| 
`<code>`
 | Show file contents | 
`<code src=&#34;main.go&#34;>`
 |
| 
`<go>`
 | Run Go code, show output | 
`<go run=&#34;main.go&#34;>`
 |
| 
`<cmd>`
 | Run shell command | 
`<cmd exec=&#34;ls -la&#34;>`
 |
| 
`<img>`
 | Include image | 
`<img src=&#34;diagram.png&#34;>`
 |

### AI Assistants

For detailed skill documentation, see [`.agent/skills/hype/`](.agent/skills/hype/).

---

Hype is a content generation tool that use traditional Markdown syntax, and allows it to be extended for almost any use to create dynamic, rich, automated output that is easily maintainable and reusable.

Hype follows the same principals that we use for coding:

* packages (keep relevant content in small, reusable packages, with all links relative to the package)
* reuse - write your documentation once (even in your code), and use everywhere (blog, book, github repo, etc)
* partials/includes - support including documents into a larger document (just like code!)
* validation - like tests, but validate all your code samples are valid (or not if that is what you expect).
* asset validation - ensure local assets like images, etc actually exist

> **[hypemd.dev](https://hypemd.dev)** — Official documentation and blog for Hype.

---

## Installation

### Quick Install (Recommended)

**macOS / Linux:**

```bash
curl -fsSL https://raw.githubusercontent.com/gopherguides/hype/main/install.sh | bash

```

To install a specific version:

```bash
curl -fsSL https://raw.githubusercontent.com/gopherguides/hype/main/install.sh | bash -s v0.5.0

```

**Windows (PowerShell):**

```powershell
irm https://raw.githubusercontent.com/gopherguides/hype/main/install.ps1 | iex

```

To install a specific version:

```powershell
.\install.ps1 -Version v0.5.0

```

### Go Install

If you have Go installed:

```bash
go install github.com/gopherguides/hype/cmd/hype@latest

```

### Homebrew

```bash
brew install gopherguides/hype/hype-md

```

### Build from Source

```bash
git clone https://github.com/gopherguides/hype.git
cd hype
go install ./cmd/hype

```

### Verify Installation

```bash
hype version

```

---

# AI Assistant Integration

Hype includes an [Agent Skill](https://agentskills.io) to help AI coding assistants write hype-compatible documentation. The skill is located in `.agent/skills/hype/`.

## macOS / Linux

Install the hype skill globally for your preferred AI tool with a single command:

### Claude Code

```bash
mkdir -p ~/.claude/skills && curl -sL https://github.com/gopherguides/hype/archive/main.tar.gz | tar -xz --strip-components=3 -C ~/.claude/skills hype-main/.agent/skills/hype

```

### OpenAI Codex

```bash
mkdir -p ~/.codex/skills && curl -sL https://github.com/gopherguides/hype/archive/main.tar.gz | tar -xz --strip-components=3 -C ~/.codex/skills hype-main/.agent/skills/hype

```

### Gemini CLI

```bash
mkdir -p ~/.gemini/skills && curl -sL https://github.com/gopherguides/hype/archive/main.tar.gz | tar -xz --strip-components=3 -C ~/.gemini/skills hype-main/.agent/skills/hype

```

### Cursor

```bash
mkdir -p ~/.cursor/skills && curl -sL https://github.com/gopherguides/hype/archive/main.tar.gz | tar -xz --strip-components=3 -C ~/.cursor/skills hype-main/.agent/skills/hype

```

### GitHub Copilot

```bash
mkdir -p ~/.copilot/skills && curl -sL https://github.com/gopherguides/hype/archive/main.tar.gz | tar -xz --strip-components=3 -C ~/.copilot/skills hype-main/.agent/skills/hype

```

### Universal (vendor-agnostic)

```bash
mkdir -p ~/.agent/skills && curl -sL https://github.com/gopherguides/hype/archive/main.tar.gz | tar -xz --strip-components=3 -C ~/.agent/skills hype-main/.agent/skills/hype

```

## Windows (PowerShell)

Run these commands in PowerShell to install the hype skill:

### Claude Code

```powershell
$tmp="$env:TEMP\hype-skill"; Invoke-WebRequest -Uri "https://github.com/gopherguides/hype/archive/main.zip" -OutFile "$tmp.zip"; Expand-Archive -Path "$tmp.zip" -DestinationPath $tmp -Force; New-Item -ItemType Directory -Force -Path "$env:USERPROFILE\.claude\skills" | Out-Null; Copy-Item -Path "$tmp\hype-main\.agent\skills\hype" -Destination "$env:USERPROFILE\.claude\skills\hype" -Recurse -Force; Remove-Item -Path "$tmp.zip","$tmp" -Recurse -Force

```

### OpenAI Codex

```powershell
$tmp="$env:TEMP\hype-skill"; Invoke-WebRequest -Uri "https://github.com/gopherguides/hype/archive/main.zip" -OutFile "$tmp.zip"; Expand-Archive -Path "$tmp.zip" -DestinationPath $tmp -Force; New-Item -ItemType Directory -Force -Path "$env:USERPROFILE\.codex\skills" | Out-Null; Copy-Item -Path "$tmp\hype-main\.agent\skills\hype" -Destination "$env:USERPROFILE\.codex\skills\hype" -Recurse -Force; Remove-Item -Path "$tmp.zip","$tmp" -Recurse -Force

```

### Gemini CLI

```powershell
$tmp="$env:TEMP\hype-skill"; Invoke-WebRequest -Uri "https://github.com/gopherguides/hype/archive/main.zip" -OutFile "$tmp.zip"; Expand-Archive -Path "$tmp.zip" -DestinationPath $tmp -Force; New-Item -ItemType Directory -Force -Path "$env:USERPROFILE\.gemini\skills" | Out-Null; Copy-Item -Path "$tmp\hype-main\.agent\skills\hype" -Destination "$env:USERPROFILE\.gemini\skills\hype" -Recurse -Force; Remove-Item -Path "$tmp.zip","$tmp" -Recurse -Force

```

### Cursor

```powershell
$tmp="$env:TEMP\hype-skill"; Invoke-WebRequest -Uri "https://github.com/gopherguides/hype/archive/main.zip" -OutFile "$tmp.zip"; Expand-Archive -Path "$tmp.zip" -DestinationPath $tmp -Force; New-Item -ItemType Directory -Force -Path "$env:USERPROFILE\.cursor\skills" | Out-Null; Copy-Item -Path "$tmp\hype-main\.agent\skills\hype" -Destination "$env:USERPROFILE\.cursor\skills\hype" -Recurse -Force; Remove-Item -Path "$tmp.zip","$tmp" -Recurse -Force

```

### GitHub Copilot

```powershell
$tmp="$env:TEMP\hype-skill"; Invoke-WebRequest -Uri "https://github.com/gopherguides/hype/archive/main.zip" -OutFile "$tmp.zip"; Expand-Archive -Path "$tmp.zip" -DestinationPath $tmp -Force; New-Item -ItemType Directory -Force -Path "$env:USERPROFILE\.copilot\skills" | Out-Null; Copy-Item -Path "$tmp\hype-main\.agent\skills\hype" -Destination "$env:USERPROFILE\.copilot\skills\hype" -Recurse -Force; Remove-Item -Path "$tmp.zip","$tmp" -Recurse -Force

```

### Universal (vendor-agnostic)

```powershell
$tmp="$env:TEMP\hype-skill"; Invoke-WebRequest -Uri "https://github.com/gopherguides/hype/archive/main.zip" -OutFile "$tmp.zip"; Expand-Archive -Path "$tmp.zip" -DestinationPath $tmp -Force; New-Item -ItemType Directory -Force -Path "$env:USERPROFILE\.agent\skills" | Out-Null; Copy-Item -Path "$tmp\hype-main\.agent\skills\hype" -Destination "$env:USERPROFILE\.agent\skills\hype" -Recurse -Force; Remove-Item -Path "$tmp.zip","$tmp" -Recurse -Force

```

## Project-Local Install

To install the skill for a specific project only:

**macOS / Linux:**

```bash
mkdir -p .agent/skills && curl -sL https://github.com/gopherguides/hype/archive/main.tar.gz | tar -xz --strip-components=3 -C .agent/skills hype-main/.agent/skills/hype

```

**Windows (PowerShell):**

```powershell
$tmp="$env:TEMP\hype-skill"; Invoke-WebRequest -Uri "https://github.com/gopherguides/hype/archive/main.zip" -OutFile "$tmp.zip"; Expand-Archive -Path "$tmp.zip" -DestinationPath $tmp -Force; New-Item -ItemType Directory -Force -Path ".agent\skills" | Out-Null; Copy-Item -Path "$tmp\hype-main\.agent\skills\hype" -Destination ".agent\skills\hype" -Recurse -Force; Remove-Item -Path "$tmp.zip","$tmp" -Recurse -Force

```

## Using openskills

Alternatively, use [openskills](https://www.npmjs.com/package/openskills) for cross-platform installation:

```bash
npm install -g openskills
openskills install gopherguides/hype --universal

```

The skill activates automatically when working with hype documents.

---

## Created with Hype

This README was created with hype. Here was the command we used to create it:

From the `.hype` directory, run:

```plain
hype export -format=markdown -f hype.md > ../README.md

```

You can also use a [github action](#using-github-actions-to-update-your-readme) to automatically update your README as well.

---

# HTML Export

Hype can export your documents to styled HTML with built-in CSS themes.

## Basic Usage

```bash
# Export with default GitHub theme
hype export -format html -f hype.md > output.html

# Export to a file
hype export -format html -f hype.md -o output.html

```

## Themes

Hype includes 7 built-in themes:

| Theme | Description |
| ----- | ----------- |
| 
`github`
 | **Default**. Auto light/dark based on system preference |
| 
`github-dark`
 | GitHub dark mode only |
| 
`solarized-light`
 | Warm light tones |
| 
`solarized-dark`
 | Solarized dark variant |
| 
`swiss`
 | Minimalist Swiss typography |
| 
`air`
 | Clean, centered layout |
| 
`retro`
 | Nostalgic/vintage style |

### List Available Themes

```bash
hype export -themes

```

### Select a Theme

```bash
hype export -format html -theme solarized-dark -f hype.md -o output.html

```

## Custom CSS

Use your own CSS file instead of a built-in theme:

```bash
hype export -format html -css ./my-styles.css -f hype.md -o output.html

```

Your custom CSS should style the `.markdown-body` class which wraps the document content.

## Raw HTML (No Styling)

To get raw HTML without any CSS (the previous default behavior):

```bash
hype export -format html -no-css -f hype.md

```

## Flags Reference

| Flag | Description |
| ---- | ----------- |
| 
`-format html`
 | Export as HTML |
| 
`-theme <name>`
 | Select a built-in theme (default: `github`) |
| 
`-css <path>`
 | Use a custom CSS file |
| 
`-no-css`
 | Output raw HTML without styling |
| 
`-themes`
 | List available themes and exit |
| 
`-o <path>`
 | Write output to file instead of stdout |

---

# Live Preview

Hype includes a live preview server with automatic file watching and browser reload for a seamless documentation authoring experience.

## Basic Usage

```bash
# Start preview server on default port (3000)
hype preview -f hype.md

# Open browser automatically
hype preview -f hype.md -open

# Use a different port
hype preview -f hype.md -port 8080

```

The preview server watches for file changes and automatically rebuilds the document, pushing updates to connected browsers via WebSocket.

## Watch Configuration

### Watch Directories

By default, the preview server watches the directory containing the source file. Use `-w` to watch additional directories:

```bash
# Watch additional directories alongside the source file's directory
hype preview -f hype.md -w ./src -w ./images

```

**Note:** The source file's directory is always watched automatically. When you specify `-w` flags, those directories are watched in addition to the source file's directory.

### File Extensions

Filter which file types trigger rebuilds:

```bash
# Only watch specific extensions
hype preview -f hype.md -e md,html,go,png,jpg

```

### Include/Exclude Patterns

Use glob patterns to fine-tune what files are watched:

```bash
# Include specific patterns
hype preview -f hype.md -i "**/*.md" -i "**/*.go"

# Exclude directories
hype preview -f hype.md -x "**/vendor/**" -x "**/tmp/**"

# Combine include and exclude
hype preview -f hype.md -i "**/*.md" -x "**/node_modules/**"

```

## Themes

The preview server supports the same themes as HTML export:

```bash
# List available themes
hype preview -themes

# Use a specific theme
hype preview -f hype.md -theme solarized-dark

# Use custom CSS
hype preview -f hype.md -css ./my-styles.css

```

## Advanced Options

### Debounce Delay

Control how long the server waits after a file change before rebuilding:

```bash
# Shorter delay for faster feedback (100ms)
hype preview -f hype.md -d 100ms

# Longer delay for busy file systems (500ms)
hype preview -f hype.md -debounce 500ms

```

### Execution Timeout

Set a timeout for document execution (useful for documents with long-running commands):

```bash
hype preview -f hype.md -timeout 60s

```

### Verbose Output

Enable verbose mode to see file change events:

```bash
hype preview -f hype.md -v

```

## Flags Reference

| Flag | Alias | Default | Description |
| ---- | ----- | ------- | ----------- |
| 
`-f`
 |  | 
`hype.md`
 | Source markdown file to preview |
| 
`-port`
 |  | 
`3000`
 | Server port |
| 
`-w`
 | 
`-watch`
 |  | Directories to watch (repeatable) |
| 
`-e`
 | 
`-ext`
 |  | File extensions to watch (comma-separated) |
| 
`-i`
 | 
`-include`
 |  | Glob patterns to include (repeatable) |
| 
`-x`
 | 
`-exclude`
 |  | Glob patterns to exclude (repeatable) |
| 
`-d`
 | 
`-debounce`
 | 
`300ms`
 | Debounce delay before rebuild |
| 
`-v`
 | 
`-verbose`
 | 
`false`
 | Verbose output (log file changes) |
| 
`-open`
 |  | 
`false`
 | Auto-open browser on start |
| 
`-theme`
 |  | 
`github`
 | Preview theme name |
| 
`-css`
 |  |  | Path to custom CSS file (overrides -theme) |
| 
`-themes`
 |  |  | List available themes and exit |
| 
`-timeout`
 |  | 
`0`
 | Execution timeout (0 = no timeout) |

## How It Works

1. The server starts an HTTP server on the specified port
1. A file watcher monitors the source file and watch directories
1. When changes are detected, the server rebuilds the document
1. Connected browsers receive a WebSocket message to reload
1. The browser automatically refreshes with the updated content

The preview uses the same rendering pipeline as `hype export -format=html`, ensuring what you see matches the final output.

---

# Mermaid Diagrams

Hype supports [Mermaid](https://mermaid.js.org/) diagrams, which are automatically rendered as ASCII art. This allows you to include diagrams directly in your markdown without external image files, and keeps diagrams version-controlled as text.

## Usage

Use standard fenced code blocks with the `mermaid` language identifier:

~~~plain
```mermaid
graph LR
    A[Start] --> B{Decision}
    B -->|Yes| C[Action]
    B -->|No| D[End]
```

~~~

When processed by Hype, this will be rendered as ASCII art:

```plain
┌──────────┐     ┌─────────────┐
│          │     │             │
│ A[Start] ├────►│ B{Decision} │
│          │     │             │
└──────────┘     └─────────────┘

```

## Supported Diagram Types

### Flowcharts/Graphs

Both `graph` and `flowchart` directives are supported with these directions:
- `LR` - Left to Right
- `TD` / `TB` - Top Down / Top to Bottom

~~~plain
```mermaid
graph TD
    Client --> API
    API --> Auth
    API --> Database
    Auth --> Database
```

~~~

### Sequence Diagrams

Sequence diagrams show interactions between participants:

~~~plain
```mermaid
sequenceDiagram
    Alice->>Bob: Hello Bob
    Bob-->>Alice: Hi Alice
```

~~~

## Limitations

The ASCII rendering is provided by [mermaid-ascii](https://github.com/AlexanderGrooff/mermaid-ascii), which has some limitations:

**Supported:**
- Graph flowcharts (LR, TD/TB directions)
- Sequence diagrams
- Labeled edges
- Color definitions via `classDef` (rendered as text styling in supported terminals)

**Not Supported:**
- Subgraph nesting
- Non-rectangular node shapes (diamonds render as rectangles)
- Class diagrams
- State diagrams
- Gantt charts
- Pie charts
- Diagonal arrows

## Output Format

In HTML export, mermaid diagrams are rendered as `<pre><code>` blocks with the ASCII art content.

In Markdown export, they appear as plain code blocks (without language specifier) containing the ASCII art.

## Showing Mermaid Syntax in Documentation

When documenting mermaid syntax (as this file does), use 4-space indentation to create indented code blocks:

~~~plain
    ```mermaid
    graph LR
        A --> B
    ```

~~~

Hype automatically uses tilde fences (`~~~`) in the markdown output when code content contains triple backticks. This follows CommonMark best practice: tildes and backticks ignore each other, allowing safe nesting.

---

# Marked 2 Integration

Hype integrates with [Marked 2](https://marked2app.com/), a powerful Markdown preview and export application for macOS.

## Overview

The `marked` command outputs hype documents in a format compatible with Marked 2's custom preprocessor feature. This allows you to preview hype documents directly in Marked 2, including dynamic code execution and includes.

## Setup

1. Open Marked 2 Preferences
1. Go to the "Advanced" tab
1. In "Custom Processor", set the path to the hype binary and enable "Preprocessing"
1. Enter the path: `/path/to/hype marked`

Marked 2 will set the `MARKED_PATH` and `MARKED_ORIGIN` environment variables automatically, telling hype which file to process.

## Basic Usage

The command is designed to be called by Marked 2 automatically:

```bash
hype marked

```

For manual testing (run from your document's directory):

```bash
hype marked -f hype.md

```

## Flags Reference

| Flag | Default | Description |
| ---- | ------- | ----------- |
| 
`-f`
 |  | File to process (if not provided, reads from stdin) |
| 
`-p`
 | 
`false`
 | Parse only mode - parse the file but don't execute commands |
| 
`-timeout`
 | 
`30s`
 | Timeout for command execution |
| 
`-context`
 |  | A folder containing all chapters of a book, for example |
| 
`-section`
 | 
`0`
 | Target section number |
| 
`-v`
 | 
`false`
 | Enable verbose output for debugging |

## Environment Variables

| Variable | Description |
| -------- | ----------- |
| 
`MARKED_PATH`
 | Set by Marked 2 - used for file context and relative path resolution |
| 
`MARKED_ORIGIN`
 | Set by Marked 2 - the directory of the file being previewed |

## How It Works

1. Marked 2 detects a file change and calls hype as a preprocessor
1. Marked 2 pipes the file contents to hype via stdin
1. Hype uses `MARKED_PATH` for context and relative path resolution
1. Hype processes all includes, executes code blocks, and renders the document
1. The processed Markdown is output to stdout
1. Marked 2 renders the processed Markdown

## Page Breaks

Hype inserts page break comments between pages (`&lt;!--BREAK--&gt;`), which Marked 2 can use for pagination in exported documents.

## Troubleshooting

**Document not updating:**
- Ensure `MARKED_PATH` is being set correctly
- Try running with `-v` flag for verbose output
- Check that hype is installed and accessible

**Timeout errors:**
- Increase the timeout with `-timeout 30s` for documents with slow-running commands
- Use `-p` to test parsing without execution

**Includes not resolving:**
- Verify all include paths are relative to the document
- Check that the source files exist

---

# Slides

Hype can generate web-based presentations from your markdown documents using the `slides` command.

## Basic Usage

```bash
# Start slides server on default port (3000)
hype slides presentation.md

# Use a different port
hype slides -port 8080 presentation.md

```

Once started, open your browser to `http://localhost:3000` to view your presentation.

## Creating Slides

Slides are created using the standard hype `<page>` element. Each `<page>` becomes a slide in your presentation:

```markdown
<page>

# Slide 1

Welcome to my presentation!

</page>

<page>

# Slide 2

## Key Points

- Point one
- Point two
- Point three

</page>

<page>

# Code Example

</page>

```

## Features

* **Live Code Execution**: Code blocks with `run` attribute execute and display output
* **Syntax Highlighting**: Code blocks are automatically highlighted
* **Navigation**: Use left/right arrow keys to navigate between slides
* **Web-based**: No additional software required - just a browser

## Flags Reference

| Flag | Default | Description |
| ---- | ------- | ----------- |
| 
`-port`
 | 
`3000`
 | Port for the slides server |

## Tips

1. **Keep slides focused**: One main idea per slide works best
1. **Use code examples**: Hype's ability to execute code makes live demos easy
1. **Test navigation**: Check that your slides flow well before presenting
1. **Assets**: Place images in an `assets/` folder in your working directory

---

# CLI Reference

Hype provides several commands for working with dynamic markdown documents.

## Commands Overview

| Command | Description |
| ------- | ----------- |
| 
`export`
 | Export documents to different formats (markdown, HTML) |
| 
`preview`
 | Start a live preview server with auto-reload |
| 
`marked`
 | Integration with Marked 2 app |
| 
`slides`
 | Web-based presentation server |
| 
`blog`
 | Static blog generator |

---

## export

Export hype documents to markdown or HTML.

```bash
hype export [options]

```

### Options

| Flag | Default | Description |
| ---- | ------- | ----------- |
| 
`-f`
 | 
`hype.md`
 | Input file to process |
| 
`-format`
 | 
`markdown`
 | Output format: `markdown` or `html` |
| 
`-o`
 | stdout | Output file path |
| 
`-theme`
 | 
`github`
 | Theme for HTML export |
| 
`-css`
 |  | Path to custom CSS file |
| 
`-no-css`
 | 
`false`
 | Output raw HTML without styling |
| 
`-themes`
 |  | List available themes and exit |
| 
`-timeout`
 | 
`30s`
 | Execution timeout |
| 
`-v`
 | 
`false`
 | Verbose output |

### Examples

```bash
# Export to markdown (default)
hype export -f hype.md > README.md

# Export to HTML
hype export -f docs.md -format html > docs.html

# Export with a theme
hype export -f docs.md -format html -theme solarized-dark

# Export with custom CSS
hype export -f docs.md -format html -css ./styles.css

# Export raw HTML (no styling)
hype export -f docs.md -format html -no-css

# List available themes
hype export -themes

# Output directly to file
hype export -f hype.md -format markdown -o README.md

```

---

## preview

Start a live preview server with file watching and auto-reload.

```bash
hype preview [options]

```

### Options

| Flag | Alias | Default | Description |
| ---- | ----- | ------- | ----------- |
| 
`-f`
 |  | 
`hype.md`
 | Source file to preview |
| 
`-port`
 |  | 
`3000`
 | Server port |
| 
`-w`
 | 
`-watch`
 |  | Additional directories to watch (repeatable) |
| 
`-e`
 | 
`-ext`
 |  | File extensions to watch (comma-separated) |
| 
`-i`
 | 
`-include`
 |  | Glob patterns to include (repeatable) |
| 
`-x`
 | 
`-exclude`
 |  | Glob patterns to exclude (repeatable) |
| 
`-d`
 | 
`-debounce`
 | 
`300ms`
 | Debounce delay before rebuild |
| 
`-v`
 | 
`-verbose`
 | 
`false`
 | Verbose output |
| 
`-open`
 |  | 
`false`
 | Auto-open browser on start |
| 
`-theme`
 |  | 
`github`
 | Preview theme |
| 
`-css`
 |  |  | Custom CSS file path |
| 
`-themes`
 |  |  | List available themes |
| 
`-timeout`
 |  | 
`0`
 | Execution timeout |

### Examples

```bash
# Basic preview
hype preview -f hype.md

# Open browser automatically
hype preview -f hype.md -open

# Watch additional directories
hype preview -f hype.md -w ./src -w ./images

# Filter by extension
hype preview -f hype.md -e md,go,html

# Use a dark theme
hype preview -f hype.md -theme solarized-dark

```

---

## marked

Integration with [Marked 2](https://marked2app.com/) for macOS.

```bash
hype marked [options]

```

### Options

| Flag | Default | Description |
| ---- | ------- | ----------- |
| 
`-f`
 |  | Input file (uses `MARKED_PATH` if not set) |
| 
`-p`
 | 
`false`
 | Parse only (no execution) |
| 
`-timeout`
 | 
`5s`
 | Execution timeout |
| 
`-context`
 |  | Context folder path |
| 
`-section`
 | 
`0`
 | Target section number |
| 
`-v`
 | 
`false`
 | Verbose output |

### Environment Variables

* `MARKED_PATH` - Set by Marked 2 to the current file path
* `MARKED_ORIGIN` - Set by Marked 2 to the file's directory

---

## slides

Web-based presentation server.

```bash
hype slides [options] [file]

```

### Options

| Flag | Default | Description |
| ---- | ------- | ----------- |
| 
`-port`
 | 
`3000`
 | Server port |

### Examples

```bash
# Start slides server
hype slides presentation.md

# Use a different port
hype slides -port 8080 presentation.md

```

---

## blog

Static blog generator with theming support.

```bash
hype blog <command> [options]

```

### Subcommands

| Command | Description |
| ------- | ----------- |
| 
`init <name>`
 | Create a new blog project |
| 
`build`
 | Build static site to `public/` |
| 
`serve`
 | Start local preview server |
| 
`new <slug>`
 | Create a new article |
| 
`theme`
 | Manage themes (add, list, remove) |

### Options

| Flag | Default | Description |
| ---- | ------- | ----------- |
| 
`-timeout`
 | 
`30s`
 | Execution timeout |
| 
`-v`
 | 
`false`
 | Verbose output |

### Examples

```bash
# Create a new blog
hype blog init mysite

# Create with a theme
hype blog init mysite --theme developer

# Build the site
hype blog build

# Start preview server
hype blog serve

# Create a new article
hype blog new hello-world

# List available themes
hype blog theme list

# Add a theme
hype blog theme add suspended

```

---

## Common Options

These options are available across most commands:

| Flag | Description |
| ---- | ----------- |
| 
`-f`
 | Input file path |
| 
`-timeout`
 | Execution timeout for code blocks |
| 
`-v`
 | Enable verbose/debug output |

---

## Exit Codes

| Code | Meaning |
| ---- | ------- |
| 
`0`
 | Success |
| 
`1`
 | General error |

---

## Getting Help

```bash
# Show available commands
hype

# Show help for a specific command
hype export --help
hype preview --help
hype blog --help

```

---

# Quick Start Guide

For more in depth examples, you can read our quick start guide
[here](https://www.gopherguides.com/articles/golang-hype-quickstart).

# The Basics

This is the syntax to include a code sample in your document:

```plain
<code src="src/hello/main.go" snippet="example"></code>

```

The above code snippet does the following:

* Includes the code snippet specified in the source code
* Validates that the code compiles

Here is the source file:

```go
package main

import "fmt"

// snippet: example
func main() {
 fmt.Println("Hello World")
}

// snippet: example

```

Notice the use of the `snippet` comment. The format for the comment is:

```plain
// snippet: <snippet_name_here>

```

You must have a beginning and an ending snippet for the code to work.

The output of including that tag will be as follows:

```go
func main() {
	fmt.Println("Hello World")
}
```
> *source: docs/quickstart/src/hello/main.go:example*

A `snippet` is not required in your `code` tag. The default behavior of a `code` tag is to include the entire source file.

If we leave the tag out, it will result in the following code being included:

```go
package main

import "fmt"

func main() {
	fmt.Println("Hello World")
}
```
> *source: docs/quickstart/src/hello/main.go*

Notice that none of the `snippet` comments were in the output? This is because hype recognizes them as directives for the document, and will not show them in the actual output.

# Go Specific Commands

There are a number of [Go](https://go.dev/) specific commands you can run as well. Anything from executing the code and showing the output, to including go doc (from the standard library or your own source code), etc.

Let's look at how we use the `go` tag.

Here is the source code of the Go file we are going to include. Notice the use of the `snippet` comments to identify the area of code we want included. We'll see how to specify that in the next section when we include it in our markdown.

# Running Go Code

The following command will include the go source code, run it, and include the output of the program as well:

```plain
<go src="src/hello" run="."></go>

```

Here is the result that will be included in your document from the above command:

```shell
$ go run .

Hello World

--------------------------------------------------------------------------------
Go Version: go1.25.0

```

## Running and Showing the Code

If you want to both run and show the code with the same tag, you can add the `code` attribute to the tag:

```plain
<go src="src/hello" run="." code="main.go"></go>

```

Now the source code is includes, as well as the output of the program:

```go
package main

import "fmt"

func main() {
	fmt.Println("Hello World")
}
```
> *source: docs/quickstart/src/hello/main.go*

---

```shell
$ go run .

Hello World

--------------------------------------------------------------------------------
Go Version: go1.25.0

```

## Snippets with Go

You can also specify the snippet in a `go` tag as well. The result is that it will only include the code snippet in the included source:

```plain
<go src="src/hello" run="." code="main.go#example"></go>

```

You can see now that only the snippet is included, but the output is still the same:

```go
func main() {
	fmt.Println("Hello World")
}
```
> *source: docs/quickstart/src/hello/main.go#example:example*

---

```shell
$ go run .

Hello World

--------------------------------------------------------------------------------
Go Version: go1.25.0

```

## Invalid Code

What if you want to include an example of code that does not compile? We still want the code to be parsed and included, even though the code doesn't compile. For this, we can state the expected output of the program.

```plain
<go src="src/broken" run="." code="main.go#example" exit="1"></go>

```

The result now includes the snippet, and the error output from trying to compile the invalid source code.

```go
func main() {
	fmt.Prin("Hello World")
}
```
> *source: docs/quickstart/src/broken/main.go#example:example*

---

```shell
$ go run .

# github.com/gopherguides/hype/.
./main.go:7:6: undefined: fmt.Prin

--------------------------------------------------------------------------------
Go Version: go1.25.0

```

### GoDoc

While there are a number of `godoc` commands that will allow you to put your documentation from your code directly into your articles as well. Here are some of the commands.

Here is the basic usage first:

```plain
<go doc="-short context"></go>

```

Here is the output for the above command:

```shell
$ go doc -short context

var Canceled = errors.New("context canceled")
var DeadlineExceeded error = deadlineExceededError{}
func AfterFunc(ctx Context, f func()) (stop func() bool)
func Cause(c Context) error
func WithCancel(parent Context) (ctx Context, cancel CancelFunc)
func WithCancelCause(parent Context) (ctx Context, cancel CancelCauseFunc)
func WithDeadline(parent Context, d time.Time) (Context, CancelFunc)
func WithDeadlineCause(parent Context, d time.Time, cause error) (Context, CancelFunc)
func WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc)
func WithTimeoutCause(parent Context, timeout time.Duration, cause error) (Context, CancelFunc)
type CancelCauseFunc func(cause error)
type CancelFunc func()
type Context interface{ ... }
    func Background() Context
    func TODO() Context
    func WithValue(parent Context, key, val any) Context
    func WithoutCancel(parent Context) Context

--------------------------------------------------------------------------------
Go Version: go1.25.0

```

You can also be more specific.

```plain
<go doc="-short context.WithCancel"></go>

```

Here is the output for the above command:
```shell
$ go doc -short context.WithCancel

func WithCancel(parent Context) (ctx Context, cancel CancelFunc)
    WithCancel returns a derived context that points to the parent context but
    has a new Done channel. The returned context's Done channel is closed when
    the returned cancel function is called or when the parent context's Done
    channel is closed, whichever happens first.

Canceling this context releases resources associated with it, so code should
    call cancel as soon as the operations running in this Context complete.

--------------------------------------------------------------------------------
Go Version: go1.25.0

```

For more examples, see the [hype repo](https://www.github.com/gopherguides/hype).

# Arbitrary Commands

You can also use the `cmd` tag and the `exec` attribute to run arbitrary commands and include them in your documentation. Here is the command to run the `tree` command and include it in our documentation:

```html
<cmd exec="tree" src="."></cmd>

```

Here is the output:

```shell
$ tree

.
├── hype.md
├── includes.md
└── src
    ├── broken
    │   └── main.go
    └── hello
        └── main.go

4 directories, 4 files
```

## Stabilizing Dynamic Output

Commands often produce output containing dynamic content like timestamps, version numbers, or UUIDs. When you regenerate your documentation, this dynamic content changes even though your actual code hasn't—creating noise in your version control and making it hard to see what really changed.

Use `replace-N` and `replace-N-with` attribute pairs to replace dynamic content with stable placeholders:

```html
<cmd exec="go version"
     replace-1="go1\.\d+\.\d+"
     replace-1-with="goX.X.X">
</cmd>

```

This ensures you get predictable, reproducible output every time you regenerate. The pattern is a regular expression, and replacements are applied in numeric order (1, 2, 3, …).

### Multiple Replacements

You can chain multiple replacements for commands with several dynamic values:

```html
<cmd exec="./build.sh"
     replace-1="\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}"
     replace-1-with="YYYY-MM-DD HH:MM:SS"
     replace-2="[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}"
     replace-2-with="[UUID]">
</cmd>

```

This is essential for blogs, READMEs, and any documentation you regenerate regularly—without it, every regeneration creates a diff even when nothing meaningful changed.

# Embedding YouTube Videos

You can embed YouTube videos directly in your document using the `youtube` tag:

```html
<youtube id="VIDEO_ID"></youtube>

```

Where `VIDEO_ID` is the 11-character video ID from the YouTube URL. For example, from `https://www.youtube.com/watch?v=dQw4w9WgXcQ`, the video ID is `dQw4w9WgXcQ`.

You can also add an optional title for accessibility:

```html
<youtube id="dQw4w9WgXcQ" title="Introduction to Error Handling"></youtube>

```

The `youtube` tag renders a responsive iframe embed with proper security attributes:

```html
<div class="youtube-embed">
  <iframe src="https://www.youtube.com/embed/VIDEO_ID"
    title="Video Title"
    frameborder="0"
    allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
    referrerpolicy="strict-origin-when-cross-origin"
    allowfullscreen></iframe>
</div>

```

# The Export Command

There are several options for running the `hype` command. Most notable is the `export` option:

```plain
$ hype export -h

Usage of hype:
  -f string
     optional file name to preview, if not provided, defaults to hype.md (default "hype.md")
  -format string
     content type to export to: markdown, html (default "markdown")
  -timeout duration
     timeout for execution, defaults to 30 seconds (30s) (default 5s)
  -v enable verbose output for debugging

Usage: hype export [options]

Examples:
 hype export -format html
 hype export -f README.md -format html
 hype export -f README.md -format markdown -timeout=10s

```

This allows you to see your compiled document either as a single markdown, or as an html document that you can preview in the browser.

# Including Markdown

To include a markdown file, use the include tag. This will run that markdown file through the hype.Parser being used and append the results to the current document.

The paths specified in the src attribute of the include are relative to the markdown file they are used in. This allows you to move entire directory structures around in your project without having to change references within the documents themselves.

The following code will parse the code/code.md and sourceable/sourceable.md documents and append them to the end of the document they were included in.

```md
<include src="code/code.md"></include>

<include src="sourceable/sourceable.md"></include>
```
> *source: docs/quickstart/includes.md*

---

# README Source

You can view the source for this entire readme in the [.hype](https://github.com/gopherguides/corp/tree/main/.hype) directory.

Here is the current structure that we are using to create this readme:

```shell
$ tree ./docs

./docs
├── badges.md
├── blog
│   ├── README.md
│   ├── hype.md
│   ├── images
│   │   ├── theme-cards-article.png
│   │   ├── theme-cards-home.png
│   │   ├── theme-developer-article.png
│   │   ├── theme-developer-home.png
│   │   ├── theme-suspended-article.png
│   │   └── theme-suspended-home.png
│   └── src
│       ├── deploy.yaml
│       └── structure.txt
├── cli-reference.md
├── html-export.md
├── installation.md
├── license.md
├── marked.md
├── mermaid.md
├── preview.md
├── quick-reference.md
├── quickstart
│   ├── hype.md
│   ├── includes.md
│   └── src
│       ├── broken
│       │   └── main.go
│       └── hello
│           └── main.go
└── slides.md

8 directories, 24 files
```
---

# Using Github Actions to update your README

This repo uses the action to keep the README up to date.

## Requirements

For this action to work, you need to either configure your repo with specific permissions, or use a `personal access token`.

### Repo Permissions

You need to give permission to your GitHub Actions to create a pull request in your GitHub repo settings _(Settings -> Actions -> General)_.

Under `Workflow Permissions`

* Check `Allow GitHub Actions to create and approve pull requests`.
* Check `Read and write permissions`

### Personal Access Token

Alternately, you can use tokens to give permission to your action.

It is recommend to use a GitHub [Personnal Acces Token](https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/creating-a-personal-access-token#creating-a-fine-grained-personal-access-token) like: `${{secrets.PAT}}` instead of using `${{secrets.GITHUB_TOKEN}}` in GitHub Actions.

## The Action

The current action is set to only generate the readme on a pull request and commit it back to that same pull request.  You can modify this to your own needs.

```yml
name: Generate README with Hype
on:
  pull_request:
    types: [opened, synchronize, reopened]
jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{github.event.pull_request.head.ref}}
          repository: ${{github.event.pull_request.head.repo.full_name}}
      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version-file: 'go.mod'
          cache-dependency-path: subdir/go.sum
      - name: Install hype
        run: go install github.com/gopherguides/hype/cmd/hype@latest
      - name: Run hype
        run: hype export -format=markdown -f hype.md -o README.md
      - name: Check for changes
        id: git-check
        run: |
          git diff --quiet README.md || echo "changed=true" >> $GITHUB_OUTPUT
      - name: Commit README changes if any
        if: steps.git-check.outputs.changed == 'true'
        run: |
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add README.md
          git commit -m "Update README.md with latest Hype changes"
          git push
```
> *source: .github/workflows/hype.yml*

---

# Hype Blog Generator

Create beautiful static blogs with hype's signature code execution feature. Write articles in markdown, include runnable code examples, and deploy to GitHub Pages with a single workflow.

**Live Demo:** [gopherguides.github.io/hype-blog-sample](https://gopherguides.github.io/hype-blog-sample)

## Quick Start

```bash
# Install hype
go install github.com/gopherguides/hype/cmd/hype@latest

# Create a new blog
hype blog init mysite
cd mysite

# Create your first article
hype blog new hello-world

# Build and preview
hype blog build
hype blog serve

```

Your site is now live at `http://localhost:3000`.

## Features

* **Code Execution** - Run code blocks and include real output (hype's signature feature)
* **3 Built-in Themes** - suspended (minimal), developer (terminal-style), cards (grid layout)
* **Hugo-style Templates** - Layered template system with easy customization
* **Live Reload** - `--watch` flag for automatic rebuilds during development
* **SEO Ready** - Meta tags, Open Graph, Twitter cards, sitemap, RSS feed
* **GitHub Pages** - Deploy automatically with the included workflow

## Commands

| Command | Description |
| ------- | ----------- |
| 
`hype blog init <name>`
 | Create a new blog project |
| 
`hype blog new <slug>`
 | Create a new article |
| 
`hype blog build`
 | Build the static site |
| 
`hype blog serve`
 | Start local preview server |
| 
`hype blog serve –watch`
 | Preview with live reload |
| 
`hype blog theme list`
 | List available themes |
| 
`hype blog theme add <name>`
 | Add a theme to your project |

## Themes

### Suspended (Default)

Minimal, typography-focused theme perfect for technical writing.

### Developer

Dark, terminal-inspired theme for code-heavy blogs.

### Cards

Modern card-based layout with visual hierarchy.

Switch themes by updating `config.yaml`:

```yaml
theme: "developer"

```

## Deploy to GitHub Pages

Add this workflow to `.github/workflows/deploy.yaml`:

```yaml
name: Deploy to GitHub Pages

on:
  push:
    branches: [main]

permissions:
  contents: read
  pages: write
  id-token: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: '1.23'
      - run: go install github.com/gopherguides/hype/cmd/hype@v0.5.0
      - run: hype blog build
      - uses: actions/configure-pages@v4
      - uses: actions/upload-pages-artifact@v3
        with:
          path: './public'

deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build
    steps:
      - uses: actions/deploy-pages@v4
        id: deployment
```
> *source: docs/blog/src/deploy.yaml*

Then enable GitHub Pages in your repo settings (Settings > Pages > Source: GitHub Actions).

## Project Structure

```txt
mysite/
├── config.yaml             # Site configuration
├── content/                # Your articles
│   └── hello-world/
│       ├── module.md       # Article content
│       └── src/            # Code files for the article
├── themes/                 # Installed themes
│   └── suspended/
├── layouts/                # Your template overrides (optional)
├── static/                 # Static assets (favicon, images)
└── public/                 # Generated output
```
> *source: docs/blog/src/structure.txt*

## Article Format

Articles use a `<details>` block for metadata:

```markdown
# My Article Title

<details>
slug: my-article
published: 01/25/2026
author: Your Name
seo_description: Brief description for SEO
tags: go, tutorial
</details>

Your content here...

```

## Full Documentation

For complete documentation including theme customization, template overrides, and advanced features, see [docs/blog/README.md](docs/blog/README.md).

---

# Issues

There are several issues that still need to be worked on. Please see the issues tab if you are interested in helping.

---

# License

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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