Classic ASP Language Support - Visual Studio Marketplace

Classic ASP Language Support for VSCode

"Finally, a formatter that understands Classic ASP! This extension has made maintaining legacy codebases so much easier."

✨ What's Inside

🎨 Smart Formatting

Multi-language formatting for VBScript, HTML, CSS, and JavaScript with customisable keyword casing

🌈 Syntax Highlighting

Beautiful, theme-compatible syntax colouring for ASP regions and SQL queries

💡 IntelliSense

Auto-completion for ASP objects, VBScript keywords, HTML, CSS, and JavaScript

📸 See It In Action

🎨 Formatting Before & After

Colours in these previews are made possible by the Catppuccin Theme

🌈 Syntax Highlighting

🚀 Installation

Install from VS Code Extensions Marketplace (search for "Classic ASP Language Support")
Or install from .vsix file: Extensions → Install from VSIX

📖 Usage

Action	Shortcut
Format Document	`Alt + Shift + F` (Windows/Linux) `Option + Shift + F` (Mac)
Trigger IntelliSense	Start typing or `Ctrl + Space`
Insert Snippet	Type prefix and press `Tab`

🎯 Key Features

🎨 Multi-Language Formatting

✅ VBScript: Smart indentation for all control structures (If/For/While/Select Case/Sub/Function)
✅ HTML/CSS/JavaScript: Professional formatting powered by Prettier
✅ SQL: Proper indentation for SQL queries inside ASP strings
✅ Customisable keyword casing: Choose lowercase, UPPERCASE, or PascalCase
✅ Automatic operator spacing: Proper spacing around =, +, &, etc.
✅ Multi-block support: Handles structures that span across multiple <% %> blocks
✅ Inline ASP support: Formats ASP expressions in HTML attributes

💡 IntelliSense & Auto-Completion

HTML: Tag and attribute suggestions with smart auto-closing
CSS: Property completion inside in-line and <style> tags
JavaScript: Keyword and object completion inside <script> tags
ASP/VBScript: Response, Request, Server, Session, Application objects and VBScript keywords

📝 Snippets

✅ Pre-built snippets for HTML, ASP, and JavaScript patterns
✅ Quick insertion for common structures (loops, conditionals, database connections)

🌈 Syntax Highlighting

✅ ASP region highlighting with customisable colours
✅ Compatible with all VS Code themes
✅ Comprehensive SQL syntax colouring with advanced support
✅ Toggleable highlighting for <% %> blocks
✅ Distinct colours for keywords, functions, data types, operators, and parameters

⚙️ Configuration

⚙️ Formatter Settings

Access settings via File → Preferences → Settings and search for "Classic ASP Language Support".

Setting	Default	Options	Description
`aspLanguageSupport.keywordCase`	`PascalCase`	`lowercase`, `UPPERCASE`, `PascalCase`	ASP/VBScript keyword formatting style
`aspLanguageSupport.useTabs`	`false`	`true`, `false`	Use tabs instead of spaces for ASP code indentation
`aspLanguageSupport.indentSize`	`2`	`2`, `4`, `8`	Number of spaces per indentation level for ASP code
`aspLanguageSupport.asptagsOnSameLine`	`false`	`true`, `false`	Keep `<% %>` on same line as code (default: separate lines)

🎨 Prettier Settings (HTML/CSS/JS)

Setting	Default	Options	Description
`aspLanguageSupport.prettier.printWidth`	`80`	number	Maximum line length (Prettier)
`aspLanguageSupport.prettier.tabWidth`	`2`	`2`, `4`, `8`	Spaces per indentation level (Prettier)
`aspLanguageSupport.prettier.useTabs`	`false`	`true`, `false`	Use tabs instead of spaces (Prettier)
`aspLanguageSupport.prettier.bracketSameLine`	`true`	`true`, `false`	Put `>` of multi-line elements on last line (Prettier)
`aspLanguageSupport.prettier.semi`	`true`	`true`, `false`	Add semicolons to JavaScript statements (Prettier)
`aspLanguageSupport.prettier.singleQuote`	`false`	`true`, `false`	Use single quotes in JavaScript (Prettier)
`aspLanguageSupport.prettier.arrowParens`	`always`	`always`, `avoid`	Arrow function parameter parentheses (Prettier)
`aspLanguageSupport.prettier.trailingComma`	`es5`	`none`, `es5`, `all`	Trailing comma style (Prettier)
`aspLanguageSupport.prettier.endOfLine`	`lf`	`lf`, `crlf`, `cr`, `auto`	Line ending style (Prettier)
`aspLanguageSupport.prettier.htmlWhitespaceSensitivity`	`css`	`css`, `strict`, `ignore`	HTML whitespace handling (Prettier)

🌈 Completion & Highlighting Settings

Setting	Default	Description
`aspLanguageSupport.enableSQLHighlighting`	`true`	Enable SQL syntax highlighting inside double-quoted strings (requires reload)
`aspLanguageSupport.highlightAspRegions`	`true`	Highlight ASP code regions with background colours
`aspLanguageSupport.bracketLightColor`	`rgba(255, 100, 0, 0.2)`	ASP bracket `<% %>` colour (light theme)
`aspLanguageSupport.bracketDarkColor`	`rgba(0, 100, 255, 0.2)`	ASP bracket `<% %>` colour (dark theme)
`aspLanguageSupport.codeBlockLightColor`	`rgba(100, 100, 100, 0.1)`	ASP code block background (light theme)
`aspLanguageSupport.codeBlockDarkColor`	`rgba(220, 220, 220, 0.1)`	ASP code block background (dark theme)

💡 IntelliSense & Completion

Setting	Default	Description
`aspLanguageSupport.enableAspCompletion`	`true`	Enable ASP object and VBScript keyword auto-completion

📋 Known Limitations

Note: These are edge cases that may require manual adjustment

ASP blocks must be properly closed (<% ... %>)
Complex mixed HTML/ASP structures may require manual adjustment
Prettier settings only apply to HTML/CSS/JS, not VBScript

🛠️ Development

Building from Source

Prerequisites

Node.js 16.x or higher
Visual Studio Code 1.80.0 or higher

Build Steps

# Clone the repository
git clone https://github.com/ashtonckj/Classic-ASP-Language-Support.git
cd Classic-ASP-Language-Support

# Install dependencies
npm install

# Compile TypeScript
npm run compile

# Run extension in debug mode
# Press F5 in VS Code

🤝 Contributing

Contributions are welcome! If you have ideas, bug reports, or want to improve the extension:

🍴 Fork the repository
🌿 Create a feature branch (git checkout -b feature/amazing-feature)
💾 Commit your changes (git commit -m 'Add amazing feature')
📤 Push to the branch (git push origin feature/amazing-feature)
🎉 Open a Pull Request

🙏 Acknowledgements

This extension wouldn't be possible without these amazing projects:

Prettier - HTML, CSS, and JavaScript formatting engine
Zachary Becknell ( ASP Classic Support ) - ASP region highlighting implementation
Jintae Joo ( Classic ASP Syntaxes and Snippets ) - Snippets inspiration and reference

If you find this extension helpful, please consider leaving a ⭐ on GitHub and a rating on the VS Code Marketplace!
Made with ❤️ for the Classic ASP community